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mod_http_oauth2/mod_http_oauth2.lua @ 5877:97c9b76867ca

mod_log_ringbuffer: Detach event handlers on logging reload (thanks Menel) Otherwise the global event handlers accumulate, one added each time logging is reoladed, and each invocation of the signal or event triggers one dump of each created ringbuffer.

author	Kim Alvefur <zash@zash.se>
date	Sun, 03 Mar 2024 11:23:40 +0100
parent	5853:b109773ce6fe
child	5882:761142ee0ff2

rev	line source
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	1 local usermanager = require "core.usermanager";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	2 local url = require "socket.url";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	3 local array = require "util.array";
4271 9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	4 local cache = require "util.cache";
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	5 local encodings = require "util.encodings";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	6 local errors = require "util.error";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	7 local hashes = require "util.hashes";
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	8 local http = require "util.http";
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	9 local id = require "util.id";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	10 local it = require "util.iterators";
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	11 local jid = require "util.jid";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	12 local json = require "util.json";
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	13 local schema = require "util.jsonschema";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	14 local jwt = require "util.jwt";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	15 local random = require "util.random";
5209 942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs Matthew Wild <mwild1@gmail.com> parents: 5208 diff changeset	16 local set = require "util.set";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	17 local st = require "util.stanza";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	18
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	19 local base64 = encodings.base64;
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	20
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	21 local function b64url(s)
5392 c0a6f39caf47 mod_http_oauth2: Fix missing base64 part of base64url (Thanks KeyCloak) Kim Alvefur <zash@zash.se> parents: 5391 diff changeset	22 return (base64.encode(s):gsub("[+/=]", { ["+"] = "-", ["/"] = "_", ["="] = "" }))
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	23 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	24
5400 71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	25 local function tmap(t)
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	26 return function(k)
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	27 return t[k];
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	28 end
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	29 end
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	30
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	31 local function strict_formdecode(query)
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	32 if not query then
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	33 return nil;
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	34 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	35 local params = http.formdecode(query);
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	36 if type(params) ~= "table" then
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	37 return nil, "no-pairs";
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	38 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	39 local dups = {};
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	40 for _, pair in ipairs(params) do
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	41 if dups[pair.name] then
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	42 return nil, "duplicate";
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	43 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	44 dups[pair.name] = true;
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	45 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	46 return params;
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	47 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	48
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	49 local function read_file(base_path, fn, required)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	50 local f, err = io.open(base_path .. "/" .. fn);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	51 if not f then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	52 module:log(required and "error" or "debug", "Unable to load template file: %s", err);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	53 if required then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	54 return error("Failed to load templates");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	55 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	56 return nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	57 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	58 local data = assert(f:read("*a"));
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	59 assert(f:close());
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	60 return data;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	61 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	62
5554 90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	63 local allowed_locales = module:get_option_array("allowed_oauth2_locales", {});
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	64 -- TODO Allow translations or per-locale templates somehow.
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	65
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	66 local template_path = module:get_option_path("oauth2_template_path", "html");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	67 local templates = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	68 login = read_file(template_path, "login.html", true);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	69 consent = read_file(template_path, "consent.html", true);
5495 7998b49d6512 mod_http_oauth2: Create proper template for OOB code delivery Kim Alvefur <zash@zash.se> parents: 5480 diff changeset	70 oob = read_file(template_path, "oob.html", true);
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	71 device = read_file(template_path, "device.html", true);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	72 error = read_file(template_path, "error.html", true);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	73 css = read_file(template_path, "style.css");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	74 js = read_file(template_path, "script.js");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	75 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	76
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	77 local site_name = module:get_option_string("site_name", module.host);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	78
5547 d4a2997deae9 mod_http_oauth2: Make CSP configurable Kim Alvefur <zash@zash.se> parents: 5544 diff changeset	79 local security_policy = module:get_option_string("oauth2_security_policy", "default-src 'self'");
d4a2997deae9 mod_http_oauth2: Make CSP configurable Kim Alvefur <zash@zash.se> parents: 5544 diff changeset	80
5544 cb141088eff0 mod_http_oauth2: Remove underscore prefix Kim Alvefur <zash@zash.se> parents: 5526 diff changeset	81 local render_html = require"util.interpolation".new("%b{}", st.xml_escape);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	82 local function render_page(template, data, sensitive)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	83 data = data or {};
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	84 data.site_name = site_name;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	85 local resp = {
5470 40c990159006 mod_http_oauth2: Use error status code when rendering error page Kim Alvefur <zash@zash.se> parents: 5469 diff changeset	86 status_code = data.error and data.error.code or 200;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	87 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	88 ["Content-Type"] = "text/html; charset=utf-8";
5547 d4a2997deae9 mod_http_oauth2: Make CSP configurable Kim Alvefur <zash@zash.se> parents: 5544 diff changeset	89 ["Content-Security-Policy"] = security_policy;
5479 30e2722c9fa3 mod_http_oauth2: Disable Referrer via header Kim Alvefur <zash@zash.se> parents: 5478 diff changeset	90 ["Referrer-Policy"] = "no-referrer";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	91 ["X-Frame-Options"] = "DENY";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	92 ["Cache-Control"] = (sensitive and "no-store" or "no-cache")..", private";
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	93 ["Pragma"] = "no-cache";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	94 };
5544 cb141088eff0 mod_http_oauth2: Remove underscore prefix Kim Alvefur <zash@zash.se> parents: 5526 diff changeset	95 body = render_html(template, data);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	96 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	97 return resp;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	98 end
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	99
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	100 local authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	101
3915 80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4 Matthew Wild <mwild1@gmail.com> parents: 3908 diff changeset	102 local tokens = module:depends("tokenauth");
3908 8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens Matthew Wild <mwild1@gmail.com> parents: 3903 diff changeset	103
5624 d8622797e315 mod_http_oauth2: Shorten default token validity periods Kim Alvefur <zash@zash.se> parents: 5623 diff changeset	104 local default_access_ttl = module:get_option_number("oauth2_access_token_ttl", 3600);
5626 81042c2a235a mod_http_oauth2: Don't use new time period API just yet Kim Alvefur <zash@zash.se> parents: 5625 diff changeset	105 local default_refresh_ttl = module:get_option_number("oauth2_refresh_token_ttl", 604800);
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	106
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	107 -- Used to derive client_secret from client_id, set to enable stateless dynamic registration.
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	108 local registration_key = module:get_option_string("oauth2_registration_key");
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	109 local registration_algo = module:get_option_string("oauth2_registration_algorithm", "HS256");
5416 2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients Kim Alvefur <zash@zash.se> parents: 5409 diff changeset	110 local registration_ttl = module:get_option("oauth2_registration_ttl", nil);
2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients Kim Alvefur <zash@zash.se> parents: 5409 diff changeset	111 local registration_options = module:get_option("oauth2_registration_options",
2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients Kim Alvefur <zash@zash.se> parents: 5409 diff changeset	112 { default_ttl = registration_ttl; accept_expired = not registration_ttl });
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	113
5739 426c42c11f89 mod_http_oauth2: Make defaults more secure Kim Alvefur <zash@zash.se> parents: 5738 diff changeset	114 local pkce_required = module:get_option_boolean("oauth2_require_code_challenge", true);
426c42c11f89 mod_http_oauth2: Make defaults more secure Kim Alvefur <zash@zash.se> parents: 5738 diff changeset	115 local respect_prompt = module:get_option_boolean("oauth2_respect_oidc_prompt", false);
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	116
5199 f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key Kim Alvefur <zash@zash.se> parents: 5198 diff changeset	117 local verification_key;
5459 260a859be86a mod_http_oauth2: Rename variables to improve clarity Kim Alvefur <zash@zash.se> parents: 5458 diff changeset	118 local sign_client, verify_client;
5196 6b63af56c8ac mod_http_oauth2: Remove error message Kim Alvefur <zash@zash.se> parents: 5195 diff changeset	119 if registration_key then
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	120 -- Tie it to the host if global
5199 f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key Kim Alvefur <zash@zash.se> parents: 5198 diff changeset	121 verification_key = hashes.hmac_sha256(registration_key, module.host);
5459 260a859be86a mod_http_oauth2: Rename variables to improve clarity Kim Alvefur <zash@zash.se> parents: 5458 diff changeset	122 sign_client, verify_client = jwt.init(registration_algo, registration_key, registration_key, registration_options);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	123 end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	124
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	125 local new_device_token, verify_device_token = jwt.init("HS256", random.bytes(32), nil, { default_ttl = 600 });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	126
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	127 -- verify and prepare client structure
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	128 local function check_client(client_id)
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	129 if not verify_client then
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	130 return nil, "client-registration-not-enabled";
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	131 end
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	132
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	133 local ok, client = verify_client(client_id);
5511 0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	134 if not ok then
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	135 return ok, client;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	136 end
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	137
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	138 client.client_hash = b64url(hashes.sha256(client_id));
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	139 return client;
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	140 end
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	141
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	142 local purpose_map = { ["oauth2-refresh"] = "refresh_token"; ["oauth"] = "access_token" };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	143
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	144 -- scope : string \| array \| set
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	145 --
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	146 -- at each step, allow the same or a subset of scopes
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	147 -- (all ( client ( grant ( token ) ) ))
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	148 -- preserve order since it determines role if more than one granted
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	149
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	150 -- string -> array
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	151 local function parse_scopes(scope_string)
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	152 return array(scope_string:gmatch("%S+"));
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	153 end
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	154
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	155 local openid_claims = set.new();
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	156 module:add_item("openid-claim", "openid");
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	157
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	158 module:handle_items("openid-claim", function(event)
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	159 authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	160 openid_claims:add(event.item);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	161 end, function()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	162 authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	163 openid_claims = set.new(module:get_host_items("openid-claim"));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	164 end, true);
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	165
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	166 -- array -> array, array, array
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	167 local function split_scopes(scope_list)
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	168 local claims, roles, unknown = array(), array(), array();
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	169 local all_roles = usermanager.get_all_roles(module.host);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	170 for _, scope in ipairs(scope_list) do
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	171 if openid_claims:contains(scope) then
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	172 claims:push(scope);
5467 1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	173 elseif scope == "xmpp" or all_roles[scope] then
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	174 roles:push(scope);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	175 else
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	176 unknown:push(scope);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	177 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	178 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	179 return claims, roles, unknown;
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	180 end
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	181
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	182 local function can_assume_role(username, requested_role)
5467 1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	183 return requested_role == "xmpp" or usermanager.user_can_assume_role(username, module.host, requested_role);
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	184 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	185
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	186 -- function (string) : function(string) : boolean
5427 d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	187 local function role_assumable_by(username)
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	188 return function(role)
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	189 return can_assume_role(username, role);
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	190 end
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	191 end
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	192
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	193 -- string, array --> array
5426 f75d95f27da7 mod_http_oauth2: Add function for filtering roles Kim Alvefur <zash@zash.se> parents: 5425 diff changeset	194 local function user_assumable_roles(username, requested_roles)
5427 d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	195 return array.filter(requested_roles, role_assumable_by(username));
5426 f75d95f27da7 mod_http_oauth2: Add function for filtering roles Kim Alvefur <zash@zash.se> parents: 5425 diff changeset	196 end
f75d95f27da7 mod_http_oauth2: Add function for filtering roles Kim Alvefur <zash@zash.se> parents: 5425 diff changeset	197
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	198 -- string, string\|nil --> string, string
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	199 local function filter_scopes(username, requested_scope_string)
5428 07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	200 local requested_scopes, requested_roles = split_scopes(parse_scopes(requested_scope_string or ""));
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	201
5428 07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	202 local granted_roles = user_assumable_roles(username, requested_roles);
07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	203 local granted_scopes = requested_scopes + granted_roles;
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	204
5428 07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	205 local selected_role = granted_roles[1];
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	206
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	207 return granted_scopes:concat(" "), selected_role;
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	208 end
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	209
5213 dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	210 local function code_expires_in(code) --> number, seconds until code expires
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	211 return os.difftime(code.expires, os.time());
4669 d3434fd151b5 mod_http_oauth2: Optimize cleanup timer Kim Alvefur <zash@zash.se> parents: 4370 diff changeset	212 end
d3434fd151b5 mod_http_oauth2: Optimize cleanup timer Kim Alvefur <zash@zash.se> parents: 4370 diff changeset	213
5213 dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	214 local function code_expired(code) --> boolean, true: has expired, false: still valid
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	215 return code_expires_in(code) < 0;
4269 143515d0b212 mod_http_oauth2: Factor out authorization code validity decision Kim Alvefur <zash@zash.se> parents: 4265 diff changeset	216 end
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision Kim Alvefur <zash@zash.se> parents: 4265 diff changeset	217
5774 d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	218 -- LRU cache for short-term storage of authorization codes and device codes
4271 9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	219 local codes = cache.new(10000, function (_, code)
5774 d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	220 -- If the cache is full and the oldest item hasn't expired yet then we
d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	221 -- might be under some kind of DoS attack, so might as well reject further
d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	222 -- entries for a bit.
4271 9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	223 return code_expired(code)
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	224 end);
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	225
5625 869c01d91aea mod_http_oauth2: Clean cache less frequently Kim Alvefur <zash@zash.se> parents: 5624 diff changeset	226 -- Clear out unredeemed codes so they don't linger in memory.
869c01d91aea mod_http_oauth2: Clean cache less frequently Kim Alvefur <zash@zash.se> parents: 5624 diff changeset	227 module:daily("Clear expired authorization codes", function()
5774 d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	228 -- The tail should be the least recently touched item, and most likely to
d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	229 -- have expired already, so check and remove that one until encountering
d563a6b0dfb7 mod_http_oauth2: Comment on authorization code storage Kim Alvefur <zash@zash.se> parents: 5739 diff changeset	230 -- one that has not expired.
4272 91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	231 local k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	232 while code and code_expired(code) do
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	233 codes:set(k, nil);
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	234 k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	235 end
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	236 end)
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	237
5207 c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	238 local function get_issuer()
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	239 return (module:http_url(nil, "/"):gsub("/$", ""));
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	240 end
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	241
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	242 -- Non-standard special redirect URI that has the AS show the authorization
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	243 -- code to the user for them to copy-paste into the client, which can then
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	244 -- continue as if it received it via redirect.
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	245 local oob_uri = "urn:ietf:wg:oauth:2.0:oob";
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	246 local device_uri = "urn:ietf:params:oauth:grant-type:device_code";
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	247
5209 942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs Matthew Wild <mwild1@gmail.com> parents: 5208 diff changeset	248 local loopbacks = set.new({ "localhost", "127.0.0.1", "::1" });
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs Matthew Wild <mwild1@gmail.com> parents: 5208 diff changeset	249
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	250 local function oauth_error(err_name, err_desc)
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	251 return errors.new({
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	252 type = "modify";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	253 condition = "bad-request";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	254 code = err_name == "invalid_client" and 401 or 400;
5821 fdf3056021dc mod_http_oauth2: Tweak fallback error text Kim Alvefur <zash@zash.se> parents: 5820 diff changeset	255 text = err_desc or err_name:gsub("^.", string.upper):gsub("_", " ");
4276 ec33b3b1136c mod_http_oauth2: Fix passing OAuth-specific error details Kim Alvefur <zash@zash.se> parents: 4272 diff changeset	256 extra = { oauth2_response = { error = err_name, error_description = err_desc } };
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	257 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	258 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	259
5248 b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	260 -- client_id / client_metadata are pretty large, filter out a subset of
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	261 -- properties that are deemed useful e.g. in case tokens issued to a certain
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	262 -- client needs to be revoked
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	263 local function client_subset(client)
5511 0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	264 return {
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	265 name = client.client_name;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	266 uri = client.client_uri;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	267 id = client.software_id;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	268 version = client.software_version;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	269 hash = client.client_hash;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	270 };
5248 b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	271 end
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	272
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	273 local function new_access_token(token_jid, role, scope_string, client, id_token, refresh_token_info)
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	274 local token_data = { oauth2_scopes = scope_string, oauth2_client = nil };
5248 b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	275 if client then
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	276 token_data.oauth2_client = client_subset(client);
5248 b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	277 end
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	278 if next(token_data) == nil then
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	279 token_data = nil;
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	280 end
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	281
5280 eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	282 local grant = refresh_token_info and refresh_token_info.grant;
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	283 if not grant then
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	284 -- No existing grant, create one
5669 d67980d9e12d mod_http_oauth2: Apply refresh token ttl to refresh token instead of grant Kim Alvefur <zash@zash.se> parents: 5666 diff changeset	285 grant = tokens.create_grant(token_jid, token_jid, nil, token_data);
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	286 end
5280 eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	287
5623 59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	288 if refresh_token_info then
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	289 -- out with the old refresh tokens
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	290 local ok, err = tokens.revoke_token(refresh_token_info.token);
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	291 if not ok then
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	292 module:log("error", "Could not revoke refresh token: %s", err);
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	293 return 500;
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	294 end
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	295 end
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	296 -- in with the new refresh token
5669 d67980d9e12d mod_http_oauth2: Apply refresh token ttl to refresh token instead of grant Kim Alvefur <zash@zash.se> parents: 5666 diff changeset	297 local refresh_token = refresh_token_info ~= false and tokens.create_token(token_jid, grant.id, nil, default_refresh_ttl, "oauth2-refresh");
5623 59d5fc50f602 mod_http_oauth2: Implement refresh token rotation Kim Alvefur <zash@zash.se> parents: 5621 diff changeset	298
5467 1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	299 if role == "xmpp" then
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	300 -- Special scope meaning the users default role.
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	301 local user_default_role = usermanager.get_user_role(jid.node(token_jid), module.host);
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	302 role = user_default_role and user_default_role.name;
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	303 end
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	304
5451 6705f2a09702 mod_http_oauth2: Reference grant by id instead of value Kim Alvefur <zash@zash.se> parents: 5450 diff changeset	305 local access_token, access_token_info = tokens.create_token(token_jid, grant.id, role, default_access_ttl, "oauth2");
5280 eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	306
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	307 local expires_at = access_token_info.expires;
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	308 return {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	309 token_type = "bearer";
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	310 access_token = access_token;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	311 expires_in = expires_at and (expires_at - os.time()) or nil;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	312 scope = scope_string;
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	313 id_token = id_token;
5280 eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	314 refresh_token = refresh_token or nil;
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	315 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	316 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	317
5461 06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	318 local function normalize_loopback(uri)
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	319 local u = url.parse(uri);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	320 if u.scheme == "http" and loopbacks:contains(u.host) then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	321 u.authority = nil;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	322 u.host = "::1";
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	323 u.port = nil;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	324 return url.build(u);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	325 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	326 -- else, not a valid loopback uri
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	327 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	328
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	329 local function get_redirect_uri(client, query_redirect_uri) -- record client, string : string
5219 25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	330 if not query_redirect_uri then
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	331 if #client.redirect_uris ~= 1 then
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	332 -- Client registered multiple URIs, it needs specify which one to use
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	333 return;
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	334 end
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	335 -- When only a single URI is registered, that's the default
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	336 return client.redirect_uris[1];
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	337 end
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	338 if query_redirect_uri == device_uri and client.grant_types then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	339 for _, grant_type in ipairs(client.grant_types) do
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	340 if grant_type == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	341 return query_redirect_uri;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	342 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	343 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	344 -- Tried to use device authorization flow without registering it.
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	345 return;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	346 end
5219 25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	347 -- Verify the client-provided URI matches one previously registered
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	348 for _, redirect_uri in ipairs(client.redirect_uris) do
5219 25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	349 if query_redirect_uri == redirect_uri then
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	350 return redirect_uri
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	351 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	352 end
5461 06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	353 -- The authorization server MUST allow any port to be specified at the time
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	354 -- of the request for loopback IP redirect URIs, to accommodate clients that
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	355 -- obtain an available ephemeral port from the operating system at the time
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	356 -- of the request.
5460 c0d62c1b4424 mod_http_oauth2: Add FIXME about loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5459 diff changeset	357 -- https://www.ietf.org/archive/id/draft-ietf-oauth-v2-1-08.html#section-8.4.2
5461 06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	358 local loopback_redirect_uri = normalize_loopback(query_redirect_uri);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	359 if loopback_redirect_uri then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	360 for _, redirect_uri in ipairs(client.redirect_uris) do
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	361 if loopback_redirect_uri == normalize_loopback(redirect_uri) then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	362 return query_redirect_uri;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	363 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	364 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	365 end
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	366 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	367
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	368 local grant_type_handlers = {};
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	369 local response_type_handlers = {};
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	370 local verifier_transforms = {};
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	371
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	372 function grant_type_handlers.implicit()
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	373 -- Placeholder to make discovery work correctly.
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	374 -- Access tokens are delivered via redirect when using the implict flow, not
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	375 -- via the token endpoint, so how did you get here?
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	376 return oauth_error("invalid_request");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	377 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	378
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	379 function grant_type_handlers.password(params)
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	380 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	381 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
3919 8ed261a08a9c mod_http_oauth2: Allow creation of full JID tokens Kim Alvefur <zash@zash.se> parents: 3918 diff changeset	382 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	383
3908 8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens Matthew Wild <mwild1@gmail.com> parents: 3903 diff changeset	384 if not (request_username and request_host) or request_host ~= module.host then
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	385 return oauth_error("invalid_request", "invalid JID");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	386 end
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	387 if not usermanager.test_password(request_username, request_host, request_password) then
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	388 return oauth_error("invalid_grant", "incorrect credentials");
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	389 end
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	390
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	391 local granted_jid = jid.join(request_username, request_host, request_resource);
5256 44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	392 local granted_scopes, granted_role = filter_scopes(request_username, params.scope);
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	393 return json.encode(new_access_token(granted_jid, granted_role, granted_scopes, nil));
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	394 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	395
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	396 function response_type_handlers.code(client, params, granted_jid, id_token)
5191 f5a58cbe86e4 mod_http_oauth2: Derive scope from correct user details Kim Alvefur <zash@zash.se> parents: 5190 diff changeset	397 local request_username, request_host = jid.split(granted_jid);
5256 44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	398 if not request_host or request_host ~= module.host then
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	399 return oauth_error("invalid_request", "invalid JID");
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	400 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	401 local granted_scopes, granted_role = filter_scopes(request_username, params.scope);
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	402
5819 93d6e9026c1b mod_http_oauth2: Do not enforce PKCE on Device and OOB flows Kim Alvefur <zash@zash.se> parents: 5794 diff changeset	403 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
93d6e9026c1b mod_http_oauth2: Do not enforce PKCE on Device and OOB flows Kim Alvefur <zash@zash.se> parents: 5794 diff changeset	404
93d6e9026c1b mod_http_oauth2: Do not enforce PKCE on Device and OOB flows Kim Alvefur <zash@zash.se> parents: 5794 diff changeset	405 if pkce_required and not params.code_challenge and redirect_uri ~= device_uri and redirect_uri ~= oob_uri then
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	406 return oauth_error("invalid_request", "PKCE required");
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	407 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	408
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	409 local prefix = "authorization_code:";
5243 d5dc8edb2695 mod_http_oauth2: Use more compact IDs Kim Alvefur <zash@zash.se> parents: 5242 diff changeset	410 local code = id.medium();
5819 93d6e9026c1b mod_http_oauth2: Do not enforce PKCE on Device and OOB flows Kim Alvefur <zash@zash.se> parents: 5794 diff changeset	411 if redirect_uri == device_uri then
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	412 local is_device, device_state = verify_device_token(params.state);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	413 if is_device then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	414 -- reconstruct the device_code
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	415 prefix = "device_code:";
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	416 code = b64url(hashes.hmac_sha256(verification_key, device_state.user_code));
5646 9aace51c3637 mod_http_oauth2: Bail on invalid or expired device flow state token Kim Alvefur <zash@zash.se> parents: 5644 diff changeset	417 else
9aace51c3637 mod_http_oauth2: Bail on invalid or expired device flow state token Kim Alvefur <zash@zash.se> parents: 5644 diff changeset	418 return oauth_error("invalid_request");
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	419 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	420 end
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	421 local ok = codes:set(prefix.. params.client_id .. "#" .. code, {
5213 dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	422 expires = os.time() + 600;
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	423 granted_jid = granted_jid;
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	424 granted_scopes = granted_scopes;
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	425 granted_role = granted_role;
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	426 challenge = params.code_challenge;
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	427 challenge_method = params.code_challenge_method;
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	428 id_token = id_token;
4670 1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	429 });
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	430 if not ok then
5476 575f52b15f5a mod_http_oauth2: Return OAuth error for authz code store error Kim Alvefur <zash@zash.se> parents: 5475 diff changeset	431 return oauth_error("temporarily_unavailable");
4670 1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	432 end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	433
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	434 if redirect_uri == oob_uri then
5495 7998b49d6512 mod_http_oauth2: Create proper template for OOB code delivery Kim Alvefur <zash@zash.se> parents: 5480 diff changeset	435 return render_page(templates.oob, { client = client; authorization_code = code }, true);
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	436 elseif redirect_uri == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	437 return render_page(templates.device, { client = client }, true);
5219 25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	438 elseif not redirect_uri then
5462 f6d8830a83fe mod_http_oauth2: Return proper OAuth error for invalid redirect URI Kim Alvefur <zash@zash.se> parents: 5461 diff changeset	439 return oauth_error("invalid_redirect_uri");
5188 7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	440 end
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	441
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	442 local redirect = url.parse(redirect_uri);
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	443
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	444 local query = strict_formdecode(redirect.query);
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	445 if type(query) ~= "table" then query = {}; end
5192 03aa9baa9ac3 mod_http_oauth2: Add support for 'iss' authz response parameter (RFC 9207) Matthew Wild <mwild1@gmail.com> parents: 5191 diff changeset	446 table.insert(query, { name = "code", value = code });
5207 c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	447 table.insert(query, { name = "iss", value = get_issuer() });
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	448 if params.state then
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	449 table.insert(query, { name = "state", value = params.state });
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	450 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	451 redirect.query = http.formencode(query);
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	452
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	453 return {
5210 898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects Matthew Wild <mwild1@gmail.com> parents: 5209 diff changeset	454 status_code = 303;
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	455 headers = {
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	456 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	457 pragma = "no-cache";
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	458 location = url.build(redirect);
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	459 };
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	460 }
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	461 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	462
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	463 -- Implicit flow
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	464 function response_type_handlers.token(client, params, granted_jid)
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	465 local request_username, request_host = jid.split(granted_jid);
5256 44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	466 if not request_host or request_host ~= module.host then
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	467 return oauth_error("invalid_request", "invalid JID");
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	468 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	469 local granted_scopes, granted_role = filter_scopes(request_username, params.scope);
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	470 local token_info = new_access_token(granted_jid, granted_role, granted_scopes, client, nil);
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	471
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	472 local redirect = url.parse(get_redirect_uri(client, params.redirect_uri));
5463 dacde53467f3 mod_http_oauth2: Proper OAuth error for invalid redirect URI in implicit flow too Kim Alvefur <zash@zash.se> parents: 5462 diff changeset	473 if not redirect then return oauth_error("invalid_redirect_uri"); end
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	474 token_info.state = params.state;
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	475 redirect.fragment = http.formencode(token_info);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	476
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	477 return {
5210 898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects Matthew Wild <mwild1@gmail.com> parents: 5209 diff changeset	478 status_code = 303;
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	479 headers = {
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	480 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	481 pragma = "no-cache";
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	482 location = url.build(redirect);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	483 };
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	484 }
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	485 end
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	486
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	487 local function make_client_secret(client_id) --> client_secret
5199 f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key Kim Alvefur <zash@zash.se> parents: 5198 diff changeset	488 return hashes.hmac_sha256(verification_key, client_id, true);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	489 end
4263 d3af5f94d6df mod_http_oauth2: Improve storage of client secret Kim Alvefur <zash@zash.se> parents: 4260 diff changeset	490
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	491 local function verify_client_secret(client_id, client_secret)
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	492 return hashes.equals(make_client_secret(client_id), client_secret);
4263 d3af5f94d6df mod_http_oauth2: Improve storage of client secret Kim Alvefur <zash@zash.se> parents: 4260 diff changeset	493 end
d3af5f94d6df mod_http_oauth2: Improve storage of client secret Kim Alvefur <zash@zash.se> parents: 4260 diff changeset	494
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	495 function grant_type_handlers.authorization_code(params)
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	496 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	497 if not params.client_secret then return oauth_error("invalid_request", "missing 'client_secret'"); end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	498 if not params.code then return oauth_error("invalid_request", "missing 'code'"); end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	499 if params.scope and params.scope ~= "" then
5450 d2594bbf7c36 mod_http_oauth2: Scope FIXMEs Kim Alvefur <zash@zash.se> parents: 5449 diff changeset	500 -- FIXME allow a subset of granted scopes
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	501 return oauth_error("invalid_scope", "unknown scope requested");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	502 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	503
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	504 local client = check_client(params.client_id);
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	505 if not client then
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	506 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	507 end
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	508
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	509 if not verify_client_secret(params.client_id, params.client_secret) then
4260 c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage Kim Alvefur <zash@zash.se> parents: 4259 diff changeset	510 module:log("debug", "client_secret mismatch");
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage Kim Alvefur <zash@zash.se> parents: 4259 diff changeset	511 return oauth_error("invalid_client", "incorrect credentials");
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage Kim Alvefur <zash@zash.se> parents: 4259 diff changeset	512 end
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	513 local code, err = codes:get("authorization_code:" .. params.client_id .. "#" .. params.code);
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	514 if err then error(err); end
5214 d5492bc861f6 mod_http_oauth2: Remove authorization codes after use Kim Alvefur <zash@zash.se> parents: 5213 diff changeset	515 -- MUST NOT use the authorization code more than once, so remove it to
d5492bc861f6 mod_http_oauth2: Remove authorization codes after use Kim Alvefur <zash@zash.se> parents: 5213 diff changeset	516 -- prevent a second attempted use
5550 4fda06be6b08 mod_http_oauth2: Make note about handling repeated Kim Alvefur <zash@zash.se> parents: 5549 diff changeset	517 -- TODO if a second attempt is made, revoke any tokens issued
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	518 codes:set("authorization_code:" .. params.client_id .. "#" .. params.code, nil);
4269 143515d0b212 mod_http_oauth2: Factor out authorization code validity decision Kim Alvefur <zash@zash.se> parents: 4265 diff changeset	519 if not code or type(code) ~= "table" or code_expired(code) then
4260 c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage Kim Alvefur <zash@zash.se> parents: 4259 diff changeset	520 module:log("debug", "authorization_code invalid or expired: %q", code);
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	521 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	522 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	523
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	524 -- TODO Decide if the code should be removed or not when PKCE fails
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	525 local transform = verifier_transforms[code.challenge_method or "plain"];
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	526 if not transform then
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	527 return oauth_error("invalid_request", "unknown challenge transform method");
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	528 elseif transform(params.code_verifier) ~= code.challenge then
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	529 return oauth_error("invalid_grant", "incorrect credentials");
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	530 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	531
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	532 return json.encode(new_access_token(code.granted_jid, code.granted_role, code.granted_scopes, client, code.id_token));
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	533 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	534
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	535 function grant_type_handlers.refresh_token(params)
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	536 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	537 if not params.client_secret then return oauth_error("invalid_request", "missing 'client_secret'"); end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	538 if not params.refresh_token then return oauth_error("invalid_request", "missing 'refresh_token'"); end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	539
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	540 local client = check_client(params.client_id);
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	541 if not client then
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	542 return oauth_error("invalid_client", "incorrect credentials");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	543 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	544
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	545 if not verify_client_secret(params.client_id, params.client_secret) then
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	546 module:log("debug", "client_secret mismatch");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	547 return oauth_error("invalid_client", "incorrect credentials");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	548 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	549
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	550 local refresh_token_info = tokens.get_token_info(params.refresh_token);
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	551 if not refresh_token_info or refresh_token_info.purpose ~= "oauth2-refresh" then
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	552 return oauth_error("invalid_grant", "invalid refresh token");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	553 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	554
5512 1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	555 local refresh_token_client = refresh_token_info.grant.data.oauth2_client;
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	556 if not refresh_token_client.hash or refresh_token_client.hash ~= client.client_hash then
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	557 module:log("warn", "OAuth client %q (%s) tried to use refresh token belonging to %q (%s)", client.client_name, client.client_hash,
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	558 refresh_token_client.name, refresh_token_client.hash);
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	559 return oauth_error("unauthorized_client", "incorrect credentials");
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	560 end
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	561
5446 dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens Kim Alvefur <zash@zash.se> parents: 5445 diff changeset	562 local refresh_scopes = refresh_token_info.grant.data.oauth2_scopes;
5448 9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	563
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	564 if params.scope then
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	565 local granted_scopes = set.new(parse_scopes(refresh_scopes));
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	566 local requested_scopes = parse_scopes(params.scope);
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	567 refresh_scopes = array.filter(requested_scopes, function(scope)
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	568 return granted_scopes:contains(scope);
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	569 end):concat(" ");
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	570 end
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	571
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	572 local username = jid.split(refresh_token_info.jid);
5446 dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens Kim Alvefur <zash@zash.se> parents: 5445 diff changeset	573 local new_scopes, role = filter_scopes(username, refresh_scopes);
dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens Kim Alvefur <zash@zash.se> parents: 5445 diff changeset	574
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	575 -- new_access_token() requires the actual token
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	576 refresh_token_info.token = params.refresh_token;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	577
5448 9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	578 return json.encode(new_access_token(refresh_token_info.jid, role, new_scopes, client, nil, refresh_token_info));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	579 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	580
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	581 grant_type_handlers[device_uri] = function(params)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	582 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	583 if not params.client_secret then return oauth_error("invalid_request", "missing 'client_secret'"); end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	584 if not params.device_code then return oauth_error("invalid_request", "missing 'device_code'"); end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	585
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	586 local client = check_client(params.client_id);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	587 if not client then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	588 return oauth_error("invalid_client", "incorrect credentials");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	589 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	590
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	591 if not verify_client_secret(params.client_id, params.client_secret) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	592 module:log("debug", "client_secret mismatch");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	593 return oauth_error("invalid_client", "incorrect credentials");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	594 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	595
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	596 local code = codes:get("device_code:" .. params.client_id .. "#" .. params.device_code);
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	597 if type(code) ~= "table" or code_expired(code) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	598 return oauth_error("expired_token");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	599 elseif code.error then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	600 return code.error;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	601 elseif not code.granted_jid then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	602 return oauth_error("authorization_pending");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	603 end
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	604 codes:set("device_code:" .. params.client_id .. "#" .. params.device_code, nil);
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	605
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	606 return json.encode(new_access_token(code.granted_jid, code.granted_role, code.granted_scopes, client, code.id_token));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	607 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	608
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	609 -- RFC 7636 Proof Key for Code Exchange by OAuth Public Clients
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	610
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	611 function verifier_transforms.plain(code_verifier)
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	612 -- code_challenge = code_verifier
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	613 return code_verifier;
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	614 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	615
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	616 function verifier_transforms.S256(code_verifier)
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	617 -- code_challenge = BASE64URL-ENCODE(SHA256(ASCII(code_verifier)))
5391 4aedce4fb95d mod_http_oauth2: Fix accidental uppercase in invocation of hash function Kim Alvefur <zash@zash.se> parents: 5390 diff changeset	618 return code_verifier and b64url(hashes.sha256(code_verifier));
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	619 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	620
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	621 -- Used to issue/verify short-lived tokens for the authorization process below
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	622 local new_user_token, verify_user_token = jwt.init("HS256", random.bytes(32), nil, { default_ttl = 600 });
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	623
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	624 -- From the given request, figure out if the user is authenticated and has granted consent yet
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	625 -- As this requires multiple steps (seek credentials, seek consent), we have a lot of state to
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	626 -- carry around across requests. We also need to protect against CSRF and session mix-up attacks
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	627 -- (e.g. the user may have multiple concurrent flows in progress, session cookies aren't unique
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	628 -- to one of them).
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	629 -- Our strategy here is to preserve the original query string (containing the authz request), and
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	630 -- encode the rest of the flow in form POSTs.
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	631 local function get_auth_state(request)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	632 local form = request.method == "POST"
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	633 and request.body
5276 67777cb7353d mod_http_oauth2: Pedantic optimization Kim Alvefur <zash@zash.se> parents: 5273 diff changeset	634 and request.body ~= ""
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	635 and request.headers.content_type == "application/x-www-form-urlencoded"
5514 61b8d3eb91a4 mod_http_oauth2: Revert strict form check to allow consent of multiple scopes Kim Alvefur <zash@zash.se> parents: 5513 diff changeset	636 and http.formdecode(request.body);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	637
5277 a1055024b94e mod_http_oauth2: Stricten check of urlencoded form data Kim Alvefur <zash@zash.se> parents: 5276 diff changeset	638 if type(form) ~= "table" then return {}; end
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	639
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	640 if not form.user_token then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	641 -- First step: login
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	642 local username = encodings.stringprep.nodeprep(form.username);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	643 local password = encodings.stringprep.saslprep(form.password);
5775 c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	644 -- Many things hooked to authentication-{success,failure} don't expect
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	645 -- non-XMPP sessions so here's something close enough...
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	646 local auth_event = {
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	647 session = {
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	648 type = "http";
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	649 ip = request.ip;
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	650 conn = request.conn;
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	651 username = username;
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	652 host = module.host;
5794 72799c330986 mod_http_oauth2: Add logger to "session" for auth event Kim Alvefur <zash@zash.se> parents: 5793 diff changeset	653 log = request.log;
5775 c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	654 sasl_handler = { username = username; selected = "x-www-form" };
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	655 client_id = request.headers.user_agent;
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	656 };
c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	657 };
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	658 if not (username and password) or not usermanager.test_password(username, module.host, password) then
5775 c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	659 module:fire_event("authentication-failure", auth_event);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	660 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	661 error = "Invalid username/password";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	662 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	663 end
5775 c27eaa7117d6 mod_http_oauth2: Fire authentication events on login form Kim Alvefur <zash@zash.se> parents: 5774 diff changeset	664 module:fire_event("authentication-success", auth_event);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	665 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	666 user = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	667 username = username;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	668 host = module.host;
5853 b109773ce6fe mod_http_oauth2: Reuse JWT issuance time as substitute for auth time Kim Alvefur <zash@zash.se> parents: 5822 diff changeset	669 token = new_user_token({ username = username; host = module.host; amr = { "pwd" } });
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	670 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	671 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	672 elseif form.user_token and form.consent then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	673 -- Second step: consent
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	674 local ok, user = verify_user_token(form.user_token);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	675 if not ok then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	676 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	677 error = user == "token-expired" and "Session expired - try again" or nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	678 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	679 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	680
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	681 local scopes = array():append(form):filter(function(field)
5424 b45d9a81b3da mod_http_oauth2: Revert role selector, going to try something else Kim Alvefur <zash@zash.se> parents: 5423 diff changeset	682 return field.name == "scope";
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	683 end):pluck("value");
5271 3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant Kim Alvefur <zash@zash.se> parents: 5268 diff changeset	684
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	685 user.token = form.user_token;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	686 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	687 user = user;
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	688 scopes = scopes;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	689 consent = form.consent == "granted";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	690 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	691 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	692
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	693 return {};
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	694 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	695
5222 578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	696 local function get_request_credentials(request)
5224 cd5cf4cc6304 mod_http_oauth2: Fail early when no authorization header present Matthew Wild <mwild1@gmail.com> parents: 5223 diff changeset	697 if not request.headers.authorization then return; end
cd5cf4cc6304 mod_http_oauth2: Fail early when no authorization header present Matthew Wild <mwild1@gmail.com> parents: 5223 diff changeset	698
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	699 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	700
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	701 if auth_type == "Basic" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	702 local creds = base64.decode(auth_data);
5222 578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	703 if not creds then return; end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	704 local username, password = string.match(creds, "^([^:]+):(.*)$");
5222 578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	705 if not username then return; end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	706 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	707 type = "basic";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	708 username = username;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	709 password = password;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	710 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	711 elseif auth_type == "Bearer" then
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	712 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	713 type = "bearer";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	714 bearer_token = auth_data;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	715 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	716 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	717
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	718 return nil;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	719 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	720
3920 cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	721 if module:get_host_type() == "component" then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	722 local component_secret = assert(module:get_option_string("component_secret"), "'component_secret' is a required setting when loaded on a Component");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	723
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	724 function grant_type_handlers.password(params)
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	725 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	726 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	727 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	728 if params.scope then
5450 d2594bbf7c36 mod_http_oauth2: Scope FIXMEs Kim Alvefur <zash@zash.se> parents: 5449 diff changeset	729 -- TODO shouldn't we support scopes / roles here?
3920 cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	730 return oauth_error("invalid_scope", "unknown scope requested");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	731 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	732 if not request_host or request_host ~= module.host then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	733 return oauth_error("invalid_request", "invalid JID");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	734 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	735 if request_password == component_secret then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	736 local granted_jid = jid.join(request_username, request_host, request_resource);
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	737 return json.encode(new_access_token(granted_jid, nil, nil, nil));
3920 cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	738 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	739 return oauth_error("invalid_grant", "incorrect credentials");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	740 end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	741
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	742 -- TODO How would this make sense with components?
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	743 -- Have an admin authenticate maybe?
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	744 response_type_handlers.code = nil;
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	745 response_type_handlers.token = nil;
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	746 grant_type_handlers.authorization_code = nil;
3920 cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	747 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	748
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	749 local function render_error(err)
b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	750 return render_page(templates.error, { error = err });
b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	751 end
b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	752
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	753 -- OAuth errors should be returned to the client if possible, i.e. by
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	754 -- appending the error information to the redirect_uri and sending the
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	755 -- redirect to the user-agent. In some cases we can't do this, e.g. if
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	756 -- the redirect_uri is missing or invalid. In those cases, we render an
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	757 -- error directly to the user-agent.
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	758 local function error_response(request, redirect_uri, err)
5819 93d6e9026c1b mod_http_oauth2: Do not enforce PKCE on Device and OOB flows Kim Alvefur <zash@zash.se> parents: 5794 diff changeset	759 if not redirect_uri or redirect_uri == oob_uri or redirect_uri == device_uri then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	760 return render_error(err);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	761 end
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	762 local q = strict_formdecode(request.url.query);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	763 local redirect_query = url.parse(redirect_uri);
5229 c24a622a7b85 mod_http_oauth2: Fix appending of query parts in error redirects Kim Alvefur <zash@zash.se> parents: 5228 diff changeset	764 local sep = redirect_query.query and "&" or "?";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	765 redirect_uri = redirect_uri
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	766 .. sep .. http.formencode(err.extra.oauth2_response)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	767 .. "&" .. http.formencode({ state = q.state, iss = get_issuer() });
5822 c75328aeaba3 mod_http_oauth2: Reduce log level for error delivery via redirect Kim Alvefur <zash@zash.se> parents: 5821 diff changeset	768 module:log("debug", "Sending error response to client via redirect to %s", redirect_uri);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	769 return {
5210 898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects Matthew Wild <mwild1@gmail.com> parents: 5209 diff changeset	770 status_code = 303;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	771 headers = {
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	772 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	773 pragma = "no-cache";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	774 location = redirect_uri;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	775 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	776 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	777 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	778
5549 01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant Kim Alvefur <zash@zash.se> parents: 5548 diff changeset	779 local allowed_grant_type_handlers = module:get_option_set("allowed_oauth2_grant_types", {
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant Kim Alvefur <zash@zash.se> parents: 5548 diff changeset	780 "authorization_code";
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant Kim Alvefur <zash@zash.se> parents: 5548 diff changeset	781 "refresh_token";
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	782 device_uri;
5549 01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant Kim Alvefur <zash@zash.se> parents: 5548 diff changeset	783 })
5621 7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config Kim Alvefur <zash@zash.se> parents: 5615 diff changeset	784 if allowed_grant_type_handlers:contains("device_code") then
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config Kim Alvefur <zash@zash.se> parents: 5615 diff changeset	785 -- expand short form because that URI is long
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config Kim Alvefur <zash@zash.se> parents: 5615 diff changeset	786 module:log("debug", "Expanding %q to %q in '%s'", "device_code", device_uri, "allowed_oauth2_grant_types");
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config Kim Alvefur <zash@zash.se> parents: 5615 diff changeset	787 allowed_grant_type_handlers:remove("device_code");
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config Kim Alvefur <zash@zash.se> parents: 5615 diff changeset	788 allowed_grant_type_handlers:add(device_uri);
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config Kim Alvefur <zash@zash.se> parents: 5615 diff changeset	789 end
5187 6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	790 for handler_type in pairs(grant_type_handlers) do
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	791 if not allowed_grant_type_handlers:contains(handler_type) then
5230 ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	792 module:log("debug", "Grant type %q disabled", handler_type);
5187 6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	793 grant_type_handlers[handler_type] = nil;
5230 ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	794 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	795 module:log("debug", "Grant type %q enabled", handler_type);
5187 6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	796 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	797 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	798
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	799 -- "token" aka implicit flow is considered insecure
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	800 local allowed_response_type_handlers = module:get_option_set("allowed_oauth2_response_types", {"code"})
5198 2e8a7a0f932d mod_http_oauth2: Fix response type config Kim Alvefur <zash@zash.se> parents: 5196 diff changeset	801 for handler_type in pairs(response_type_handlers) do
2e8a7a0f932d mod_http_oauth2: Fix response type config Kim Alvefur <zash@zash.se> parents: 5196 diff changeset	802 if not allowed_response_type_handlers:contains(handler_type) then
5230 ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	803 module:log("debug", "Response type %q disabled", handler_type);
5231 bef543068077 mod_http_oauth2: Fix to disable disabled response handlers correctly Kim Alvefur <zash@zash.se> parents: 5230 diff changeset	804 response_type_handlers[handler_type] = nil;
5230 ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	805 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	806 module:log("debug", "Response type %q enabled", handler_type);
5187 6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	807 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	808 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	809
5739 426c42c11f89 mod_http_oauth2: Make defaults more secure Kim Alvefur <zash@zash.se> parents: 5738 diff changeset	810 local allowed_challenge_methods = module:get_option_set("allowed_oauth2_code_challenge_methods", { "S256" })
5384 b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	811 for handler_type in pairs(verifier_transforms) do
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	812 if not allowed_challenge_methods:contains(handler_type) then
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	813 module:log("debug", "Challenge method %q disabled", handler_type);
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	814 verifier_transforms[handler_type] = nil;
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	815 else
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	816 module:log("debug", "Challenge method %q enabled", handler_type);
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	817 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	818 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	819
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	820 function handle_token_grant(event)
5223 8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	821 local credentials = get_request_credentials(event.request);
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	822
3934 469408682152 mod_http_oauth2: Set content type on successful repsponses (fixes #1501) Kim Alvefur <zash@zash.se> parents: 3920 diff changeset	823 event.response.headers.content_type = "application/json";
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	824 event.response.headers.cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	825 event.response.headers.pragma = "no-cache";
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	826 local params = strict_formdecode(event.request.body);
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	827 if not params then
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	828 return oauth_error("invalid_request", "Could not parse request body as 'application/x-www-form-urlencoded'");
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	829 end
5223 8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	830
5225 3439eb37f23b mod_http_oauth2: token endpoint: handle missing credentials Matthew Wild <mwild1@gmail.com> parents: 5224 diff changeset	831 if credentials and credentials.type == "basic" then
5385 544b92750a2a mod_http_oauth2: Advertise supported token endpoint auth methods Kim Alvefur <zash@zash.se> parents: 5384 diff changeset	832 -- client_secret_basic converted internally to client_secret_post
5223 8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	833 params.client_id = http.urldecode(credentials.username);
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	834 params.client_secret = http.urldecode(credentials.password);
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	835 end
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	836
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	837 local grant_type = params.grant_type
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	838 local grant_handler = grant_type_handlers[grant_type];
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	839 if not grant_handler then
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	840 return oauth_error("invalid_request", "No such grant type.");
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	841 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	842 return grant_handler(params);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	843 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	844
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	845 local function handle_authorization_request(event)
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	846 local request = event.request;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	847
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	848 -- Directly returning errors to the user before we have a validated client object
4258 cc712899becd mod_http_oauth2: Unpack event object to improve readability Kim Alvefur <zash@zash.se> parents: 4257 diff changeset	849 if not request.url.query then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	850 return render_error(oauth_error("invalid_request", "Missing query parameters"));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	851 end
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	852 local params = strict_formdecode(request.url.query);
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	853 if not params then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	854 return render_error(oauth_error("invalid_request", "Invalid query parameters"));
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	855 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	856
5471 d4d333cb75b2 mod_http_oauth2: Clarify some error messages Kim Alvefur <zash@zash.se> parents: 5470 diff changeset	857 if not params.client_id then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	858 return render_error(oauth_error("invalid_request", "Missing 'client_id' parameter"));
5471 d4d333cb75b2 mod_http_oauth2: Clarify some error messages Kim Alvefur <zash@zash.se> parents: 5470 diff changeset	859 end
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	860
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	861 local client = check_client(params.client_id);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	862
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	863 if not client then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	864 return render_error(oauth_error("invalid_request", "Invalid 'client_id' parameter"));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	865 end
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	866
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	867 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	868 if not redirect_uri then
5475 022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	869 return render_error(oauth_error("invalid_request", "Invalid 'redirect_uri' parameter"));
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	870 end
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	871 -- From this point we know that redirect_uri is safe to use
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	872
5405 c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	873 local client_response_types = set.new(array(client.response_types or { "code" }));
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	874 client_response_types = set.intersection(client_response_types, allowed_response_type_handlers);
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	875 if not client_response_types:contains(params.response_type) then
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	876 return error_response(request, redirect_uri, oauth_error("invalid_client", "'response_type' not allowed"));
5405 c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	877 end
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	878
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	879 local requested_scopes = parse_scopes(params.scope or "");
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	880 if client.scope then
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	881 local client_scopes = set.new(parse_scopes(client.scope));
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	882 requested_scopes:filter(function(scope)
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	883 return client_scopes:contains(scope);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	884 end);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	885 end
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	886
5518 d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	887 -- The 'prompt' parameter from OpenID Core
5738 8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	888 local prompt = set.new(parse_scopes(respect_prompt and params.prompt or "select_account login consent"));
5518 d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	889
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	890 local auth_state = get_auth_state(request);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	891 if not auth_state.user then
5738 8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	892 if not prompt:contains("login") then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	893 -- Currently no cookies or such are used, so login is required every time.
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	894 return error_response(request, redirect_uri, oauth_error("login_required"));
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	895 end
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	896
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	897 -- Render login page
5466 398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	898 local extra = {};
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	899 if params.login_hint then
5787 87920d436cb4 mod_http_oauth2: Handle login_hint without @hostpart Kim Alvefur <zash@zash.se> parents: 5775 diff changeset	900 extra.username_hint = (jid.prepped_split(params.login_hint) or encodings.stringprep.nodeprep(params.login_hint));
5738 8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	901 elseif not prompt:contains("select_account") then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	902 -- TODO If the login page is split into account selection followed by login
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	903 -- (e.g. password), and then the account selection could be skipped iff the
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	904 -- 'login_hint' parameter is present.
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	905 return error_response(request, redirect_uri, oauth_error("account_selection_required"));
5466 398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	906 end
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	907 return render_page(templates.login, { state = auth_state; client = client; extra = extra });
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	908 elseif auth_state.consent == nil then
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	909 local scopes, roles = split_scopes(requested_scopes);
5452 b071d8ee6555 mod_http_oauth2: Show only roles the user can use in consent dialog Kim Alvefur <zash@zash.se> parents: 5451 diff changeset	910 roles = user_assumable_roles(auth_state.user.username, roles);
5738 8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	911
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	912 if not prompt:contains("consent") then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	913 local grants = tokens.get_user_grants(auth_state.user.username);
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	914 local matching_grant;
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	915 if grants then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	916 for grant_id, grant in pairs(grants) do
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	917 if grant.data and grant.data.oauth2_client and grant.data.oauth2_client.hash == client.client_hash then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	918 if set.new(parse_scopes(grant.data.oauth2_scopes)) == set.new(scopes+roles) then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	919 matching_grant = grant_id;
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	920 break
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	921 end
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	922 end
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	923 end
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	924 end
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	925
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	926 if not matching_grant then
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	927 return error_response(request, redirect_uri, oauth_error("consent_required"));
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	928 else
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	929 -- Consent for these scopes already granted to this exact client, continue
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	930 auth_state.scopes = scopes + roles;
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	931 auth_state.consent = "granted";
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	932 end
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	933
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	934 else
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	935 -- Render consent page
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	936 return render_page(templates.consent, { state = auth_state; client = client; scopes = scopes+roles }, true);
8488ebde5739 mod_http_oauth2: Skip consent screen if requested by client and same scopes already granted Kim Alvefur <zash@zash.se> parents: 5705 diff changeset	937 end
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	938 elseif not auth_state.consent then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	939 -- Notify client of rejection
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	940 if redirect_uri == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	941 local is_device, device_state = verify_device_token(params.state);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	942 if is_device then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	943 local device_code = b64url(hashes.hmac_sha256(verification_key, device_state.user_code));
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	944 local code = codes:get("device_code:" .. params.client_id .. "#" .. device_code);
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	945 code.error = oauth_error("access_denied");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	946 code.expires = os.time() + 60;
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	947 codes:set("device_code:" .. params.client_id .. "#" .. device_code, code);
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	948 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	949 end
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	950 return error_response(request, redirect_uri, oauth_error("access_denied"));
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	951 end
5271 3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant Kim Alvefur <zash@zash.se> parents: 5268 diff changeset	952 -- else auth_state.consent == true
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant Kim Alvefur <zash@zash.se> parents: 5268 diff changeset	953
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	954 local granted_scopes = auth_state.scopes
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	955 if client.scope then
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	956 local client_scopes = set.new(parse_scopes(client.scope));
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	957 granted_scopes:filter(function(scope)
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	958 return client_scopes:contains(scope);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	959 end);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	960 end
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	961
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	962 params.scope = granted_scopes:concat(" ");
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	963
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	964 local user_jid = jid.join(auth_state.user.username, module.host);
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	965 local client_secret = make_client_secret(params.client_id);
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	966 local id_token_signer = jwt.new_signer("HS256", client_secret);
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	967 local id_token = id_token_signer({
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	968 iss = get_issuer();
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	969 sub = url.build({ scheme = "xmpp"; path = user_jid });
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	970 aud = params.client_id;
5853 b109773ce6fe mod_http_oauth2: Reuse JWT issuance time as substitute for auth time Kim Alvefur <zash@zash.se> parents: 5822 diff changeset	971 auth_time = auth_state.user.iat;
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	972 nonce = params.nonce;
5688 bbde136a4c29 mod_http_oauth2: Include 'amr' claim in ID Token Kim Alvefur <zash@zash.se> parents: 5669 diff changeset	973 amr = auth_state.user.amr;
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	974 });
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	975 local response_type = params.response_type;
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	976 local response_handler = response_type_handlers[response_type];
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	977 if not response_handler then
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	978 return error_response(request, redirect_uri, oauth_error("unsupported_response_type"));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	979 end
5468 14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	980 local ret = response_handler(client, params, user_jid, id_token);
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	981 if errors.is_err(ret) then
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	982 return error_response(request, redirect_uri, ret);
5468 14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	983 end
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	984 return ret;
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	985 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	986
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	987 local function handle_device_authorization_request(event)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	988 local request = event.request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	989
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	990 local credentials = get_request_credentials(request);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	991
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	992 local params = strict_formdecode(request.body);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	993 if not params then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	994 return render_error(oauth_error("invalid_request", "Invalid query parameters"));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	995 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	996
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	997 if credentials and credentials.type == "basic" then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	998 -- client_secret_basic converted internally to client_secret_post
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	999 params.client_id = http.urldecode(credentials.username);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1000 local client_secret = http.urldecode(credentials.password);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1001
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1002 if not verify_client_secret(params.client_id, client_secret) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1003 module:log("debug", "client_secret mismatch");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1004 return oauth_error("invalid_client", "incorrect credentials");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1005 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1006 else
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1007 return 401;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1008 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1009
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1010 local client = check_client(params.client_id);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1011
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1012 if not client then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1013 return render_error(oauth_error("invalid_request", "Invalid 'client_id' parameter"));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1014 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1015
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1016 if not set.new(client.grant_types):contains(device_uri) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1017 return render_error(oauth_error("invalid_client", "Client not registered for device authorization grant"));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1018 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1019
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1020 local requested_scopes = parse_scopes(params.scope or "");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1021 if client.scope then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1022 local client_scopes = set.new(parse_scopes(client.scope));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1023 requested_scopes:filter(function(scope)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1024 return client_scopes:contains(scope);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1025 end);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1026 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1027
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1028 -- TODO better code generator, this one should be easy to type from a
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1029 -- screen onto a phone
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1030 local user_code = (id.tiny() .. "-" .. id.tiny()):upper();
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1031 local collisions = 0;
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	1032 while codes:get("authorization_code:" .. device_uri .. "#" .. user_code) do
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1033 collisions = collisions + 1;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1034 if collisions > 10 then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1035 return oauth_error("temporarily_unavailable");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1036 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1037 user_code = (id.tiny() .. "-" .. id.tiny()):upper();
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1038 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1039 -- device code should be derivable after consent but not guessable by the user
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1040 local device_code = b64url(hashes.hmac_sha256(verification_key, user_code));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1041 local verification_uri = module:http_url() .. "/device";
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1042 local verification_uri_complete = verification_uri .. "?" .. http.formencode({ user_code = user_code });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1043
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	1044 local expires = os.time() + 600;
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	1045 local dc_ok = codes:set("device_code:" .. params.client_id .. "#" .. device_code, { expires = expires });
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	1046 local uc_ok = codes:set("user_code:" .. user_code,
5647 ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent Kim Alvefur <zash@zash.se> parents: 5646 diff changeset	1047 { user_code = user_code; expires = expires; client_id = params.client_id;
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1048 scope = requested_scopes:concat(" ") });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1049 if not dc_ok or not uc_ok then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1050 return oauth_error("temporarily_unavailable");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1051 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1052
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1053 return {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1054 headers = { content_type = "application/json"; cache_control = "no-store"; pragma = "no-cache" };
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1055 body = json.encode {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1056 device_code = device_code;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1057 user_code = user_code;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1058 verification_uri = verification_uri;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1059 verification_uri_complete = verification_uri_complete;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1060 expires_in = 600;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1061 interval = 5;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1062 };
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1063 }
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1064 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1065
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1066 local function handle_device_verification_request(event)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1067 local request = event.request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1068 local params = strict_formdecode(request.url.query);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1069 if not params or not params.user_code then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1070 return render_page(templates.device, { client = false });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1071 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1072
5614 ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	1073 local device_info = codes:get("user_code:" .. params.user_code);
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion Kim Alvefur <zash@zash.se> parents: 5612 diff changeset	1074 if not device_info or code_expired(device_info) or not codes:set("user_code:" .. params.user_code, nil) then
5615 1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page Kim Alvefur <zash@zash.se> parents: 5614 diff changeset	1075 return render_page(templates.device, {
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page Kim Alvefur <zash@zash.se> parents: 5614 diff changeset	1076 client = false;
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page Kim Alvefur <zash@zash.se> parents: 5614 diff changeset	1077 error = oauth_error("expired_token", "Incorrect or expired code");
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page Kim Alvefur <zash@zash.se> parents: 5614 diff changeset	1078 });
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1079 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1080
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1081 return {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1082 status_code = 303;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1083 headers = {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1084 location = module:http_url() .. "/authorize" .. "?" .. http.formencode({
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1085 client_id = device_info.client_id;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1086 redirect_uri = device_uri;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1087 response_type = "code";
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1088 scope = device_info.scope;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1089 state = new_device_token({ user_code = params.user_code });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1090 });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1091 };
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1092 }
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1093 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1094
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1095 local function handle_introspection_request(event)
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1096 local request = event.request;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1097 local credentials = get_request_credentials(request);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1098 if not credentials or credentials.type ~= "basic" then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1099 event.response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1100 return 401;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1101 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1102 -- OAuth "client" credentials
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1103 if not verify_client_secret(credentials.username, credentials.password) then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1104 return 401;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1105 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1106
5704 8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1107 local client = check_client(credentials.username);
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1108 if not client then
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1109 return 401;
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1110 end
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1111
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1112 local form_data = http.formdecode(request.body or "=");
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1113 local token = form_data.token;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1114 if not token then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1115 return 400;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1116 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1117
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1118 local token_info = tokens.get_token_info(form_data.token);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1119 if not token_info then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1120 return { headers = { content_type = "application/json" }; body = json.encode { active = false } };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1121 end
5704 8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1122 local token_client = token_info.grant.data.oauth2_client;
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1123 if not token_client or token_client.hash ~= client.client_hash then
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1124 return 403;
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1125 end
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1126
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1127 return {
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1128 headers = { content_type = "application/json" };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1129 body = json.encode {
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1130 active = true;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1131 client_id = credentials.username; -- We don't really know for sure
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1132 username = jid.node(token_info.jid);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1133 scope = token_info.grant.data.oauth2_scopes;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1134 token_type = purpose_map[token_info.purpose];
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1135 exp = token.expires;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1136 iat = token.created;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1137 sub = url.build({ scheme = "xmpp"; path = token_info.jid });
5704 8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens Kim Alvefur <zash@zash.se> parents: 5703 diff changeset	1138 aud = credentials.username;
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1139 iss = get_issuer();
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1140 jti = token_info.id;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1141 };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1142 };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1143 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1144
5705 527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1145 -- RFC 7009 says that the authorization server should validate that only the client that a token was issued to should be able to revoke it. However
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1146 -- this would prevent someone who comes across a leaked token from doing the responsible thing and revoking it, so this is not enforced by default.
5644 a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1147 local strict_auth_revoke = module:get_option_boolean("oauth2_require_auth_revoke", false);
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1148
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1149 local function handle_revocation_request(event)
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1150 local request, response = event.request, event.response;
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1151 response.headers.cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1152 response.headers.pragma = "no-cache";
5705 527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1153 local credentials = get_request_credentials(request);
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1154 if credentials then
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1155 if credentials.type ~= "basic" then
5265 f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1156 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1157 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1158 end
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1159 -- OAuth "client" credentials
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1160 if not verify_client_secret(credentials.username, credentials.password) then
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1161 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	1162 end
5644 a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1163 -- TODO check that it's their token I guess?
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1164 elseif strict_auth_revoke then
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1165 -- Why require auth to revoke a leaked token?
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1166 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint Kim Alvefur <zash@zash.se> parents: 5626 diff changeset	1167 return 401;
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1168 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1169
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	1170 local form_data = strict_formdecode(event.request.body);
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1171 if not form_data or not form_data.token then
5267 60e0bc35de33 mod_http_oauth2: Relax payload content type checking in revocation Kim Alvefur <zash@zash.se> parents: 5266 diff changeset	1172 response.headers.accept = "application/x-www-form-urlencoded";
60e0bc35de33 mod_http_oauth2: Relax payload content type checking in revocation Kim Alvefur <zash@zash.se> parents: 5266 diff changeset	1173 return 415;
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1174 end
5705 527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1175
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1176 if credentials then
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1177 local client = check_client(credentials.username);
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1178 if not client then
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1179 return 401;
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1180 end
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1181 local token_info = tokens.get_token_info(form_data.token);
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1182 if not token_info then
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1183 return 404;
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1184 end
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1185 local token_client = token_info.grant.data.oauth2_client;
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1186 if not token_client or token_client.hash ~= client.client_hash then
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1187 return 403;
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1188 end
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1189 end
527c747711f3 mod_http_oauth2: Limit revocation to clients own tokens in strict mode Kim Alvefur <zash@zash.se> parents: 5704 diff changeset	1190
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1191 local ok, err = tokens.revoke_token(form_data.token);
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1192 if not ok then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1193 module:log("warn", "Unable to revoke token: %s", tostring(err));
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1194 return 500;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1195 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1196 return 200;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1197 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1198
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1199 local registration_schema = {
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1200 title = "OAuth 2.0 Dynamic Client Registration Protocol";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1201 description = "This endpoint allows dynamically registering an OAuth 2.0 client.";
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1202 type = "object";
5237 3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1203 required = {
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1204 -- These are shown to users in the template
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1205 "client_name";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1206 "client_uri";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1207 -- We need at least one redirect URI for things to work
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1208 "redirect_uris";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	1209 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1210 properties = {
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1211 redirect_uris = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1212 title = "List of Redirect URIs";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1213 type = "array";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1214 minItems = 1;
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1215 uniqueItems = true;
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1216 items = {
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1217 title = "Redirect URI";
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1218 type = "string";
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1219 format = "uri";
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1220 examples = {
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1221 "https://app.example.com/redirect";
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1222 "http://localhost:8080/redirect";
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1223 "com.example.app:/redirect";
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1224 oob_uri;
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1225 device_uri;
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1226 };
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1227 };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1228 };
5377 ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema Kim Alvefur <zash@zash.se> parents: 5375 diff changeset	1229 token_endpoint_auth_method = {
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1230 title = "Token Endpoint Authentication Method";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1231 description = "Authentication method the client intends to use. Recommended is `client_secret_basic`. \z
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1232 `none` is only allowed for use with the insecure Implicit flow.";
5377 ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema Kim Alvefur <zash@zash.se> parents: 5375 diff changeset	1233 type = "string";
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema Kim Alvefur <zash@zash.se> parents: 5375 diff changeset	1234 enum = { "none"; "client_secret_post"; "client_secret_basic" };
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema Kim Alvefur <zash@zash.se> parents: 5375 diff changeset	1235 default = "client_secret_basic";
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema Kim Alvefur <zash@zash.se> parents: 5375 diff changeset	1236 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1237 grant_types = {
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1238 title = "Grant Types";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1239 description = "List of grant types the client intends to use.";
5236 ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema Kim Alvefur <zash@zash.se> parents: 5231 diff changeset	1240 type = "array";
5455 80a81e7f3c4e mod_http_oauth2: Require non-empty arrays in client registration Kim Alvefur <zash@zash.se> parents: 5454 diff changeset	1241 minItems = 1;
5456 9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1242 uniqueItems = true;
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1243 items = {
5236 ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema Kim Alvefur <zash@zash.se> parents: 5231 diff changeset	1244 type = "string";
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1245 enum = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1246 "authorization_code";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1247 "implicit";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1248 "password";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1249 "client_credentials";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1250 "refresh_token";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1251 "urn:ietf:params:oauth:grant-type:jwt-bearer";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1252 "urn:ietf:params:oauth:grant-type:saml2-bearer";
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1253 device_uri;
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1254 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1255 };
5366 db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1256 default = { "authorization_code" };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1257 };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1258 application_type = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1259 title = "Application Type";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1260 description = "Determines which kinds of redirect URIs the client may register. \z
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1261 The value `web` limits the client to `https://` URLs with the same hostname as \z
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1262 in `client_uri` while the value `native` allows either loopback URLs like \z
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1263 `http://localhost:8080/` or application specific URIs like `com.example.app:/redirect`.";
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1264 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1265 enum = { "native"; "web" };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1266 default = "web";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1267 };
5456 9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1268 response_types = {
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1269 title = "Response Types";
5456 9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1270 type = "array";
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1271 minItems = 1;
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1272 uniqueItems = true;
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1273 items = { type = "string"; enum = { "code"; "token" } };
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1274 default = { "code" };
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	1275 };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1276 client_name = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1277 title = "Client Name";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1278 description = "Human-readable name of the client, presented to the user in the consent dialog.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1279 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1280 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1281 client_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1282 title = "Client URL";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1283 description = "Should be an link to a page with information about the client. \z
03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1284 The hostname in this URL must be the same as in every other '_uri' property.";
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1285 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1286 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1287 pattern = "^https:";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1288 examples = { "https://app.example.com/" };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1289 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1290 logo_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1291 title = "Logo URL";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1292 description = "URL to the clients logotype (not currently used).";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1293 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1294 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1295 pattern = "^https:";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1296 examples = { "https://app.example.com/appicon.png" };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1297 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1298 scope = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1299 title = "Scopes";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1300 description = "Space-separated list of scopes the client promises to restrict itself to.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1301 type = "string";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1302 examples = { "openid xmpp" };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1303 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1304 contacts = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1305 title = "Contact Addresses";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1306 description = "Addresses, typically email or URLs where the client developers can be contacted.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1307 type = "array";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1308 minItems = 1;
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1309 items = { type = "string"; format = "email" };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1310 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1311 tos_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1312 title = "Terms of Service URL";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1313 description = "Link to Terms of Service for the client, presented to the user in the consent dialog. \z
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1314 MUST be a `https://` URL with hostname matching that of `client_uri`.";
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1315 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1316 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1317 pattern = "^https:";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1318 examples = { "https://app.example.com/tos.html" };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1319 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1320 policy_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1321 title = "Privacy Policy URL";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1322 description = "Link to a Privacy Policy for the client. MUST be a `https://` URL with hostname matching that of `client_uri`.";
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1323 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1324 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1325 pattern = "^https:";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1326 examples = { "https://app.example.com/policy.pdf" };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1327 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1328 software_id = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1329 title = "Software ID";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1330 description = "Unique identifier for the client software, common for all instances. Typically an UUID.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1331 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1332 format = "uuid";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1333 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1334 software_version = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1335 title = "Software Version";
5612 17aa3bac7f3a mod_http_oauth2: Improve a description in schema Kim Alvefur <zash@zash.se> parents: 5605 diff changeset	1336 description = "Version of the client software being registered. \z
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1337 E.g. to allow revoking all related tokens in the event of a security incident.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1338 type = "string";
5820 03477980f1a9 mod_http_oauth2: Improve registration schema documentation parts Kim Alvefur <zash@zash.se> parents: 5819 diff changeset	1339 examples = { "2.3.1" };
5605 b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema Kim Alvefur <zash@zash.se> parents: 5596 diff changeset	1340 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1341 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1342 }
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1343
5554 90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1344 -- Limit per-locale fields to allowed locales, partly to keep size of client_id
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1345 -- down, partly because we don't yet use them for anything.
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1346 -- Only relevant for user-visible strings and URIs.
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1347 if allowed_locales[1] then
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1348 local props = registration_schema.properties;
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1349 for _, locale in ipairs(allowed_locales) do
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1350 props["client_name#" .. locale] = props["client_name"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1351 props["client_uri#" .. locale] = props["client_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1352 props["logo_uri#" .. locale] = props["logo_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1353 props["tos_uri#" .. locale] = props["tos_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1354 props["policy_uri#" .. locale] = props["policy_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1355 end
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1356 end
90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1357
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1358 local function redirect_uri_allowed(redirect_uri, client_uri, app_type)
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1359 local uri = url.parse(redirect_uri);
5790 a967bb4972c5 mod_http_oauth2: Reject unparsable URLs Kim Alvefur <zash@zash.se> parents: 5789 diff changeset	1360 if not uri then
a967bb4972c5 mod_http_oauth2: Reject unparsable URLs Kim Alvefur <zash@zash.se> parents: 5789 diff changeset	1361 return false;
a967bb4972c5 mod_http_oauth2: Reject unparsable URLs Kim Alvefur <zash@zash.se> parents: 5789 diff changeset	1362 end
5457 9156a4754466 mod_http_oauth2: Reject relative redirect URIs Kim Alvefur <zash@zash.se> parents: 5456 diff changeset	1363 if not uri.scheme then
9156a4754466 mod_http_oauth2: Reject relative redirect URIs Kim Alvefur <zash@zash.se> parents: 5456 diff changeset	1364 return false; -- no relative URLs
9156a4754466 mod_http_oauth2: Reject relative redirect URIs Kim Alvefur <zash@zash.se> parents: 5456 diff changeset	1365 end
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1366 if app_type == "native" then
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	1367 return uri.scheme == "http" and loopbacks:contains(uri.host) or redirect_uri == oob_uri or uri.scheme:find(".", 1, true) ~= nil;
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1368 elseif app_type == "web" then
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1369 return uri.scheme == "https" and uri.host == client_uri.host;
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1370 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1371 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1372
5259 8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1373 function create_client(client_metadata)
5789 b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1374 local valid, validation_errors = schema.validate(registration_schema, client_metadata);
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1375 if not valid then
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1376 return nil, errors.new({
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1377 type = "modify";
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1378 condition = "bad-request";
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1379 code = 400;
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1380 text = "Failed schema validation.";
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1381 extra = {
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1382 oauth2_response = {
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1383 error = "invalid_request";
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1384 error_description = "Client registration data failed schema validation."; -- TODO Generate from validation_errors?
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1385 -- JSON Schema Output Format
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1386 -- https://json-schema.org/draft/2020-12/draft-bhutton-json-schema-01#name-basic
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1387 valid = false;
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1388 errors = validation_errors;
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1389 };
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1390 };
b8a2b3ebe792 mod_http_oauth2: Return validation output added in trunk rev 72d7830505f0 Kim Alvefur <zash@zash.se> parents: 5787 diff changeset	1391 });
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1392 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1393
5651 dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1394 local client_uri = url.parse(client_metadata.client_uri);
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1395 if not client_uri or client_uri.scheme ~= "https" or loopbacks:contains(client_uri.host) then
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1396 return nil, oauth_error("invalid_client_metadata", "Missing, invalid or insecure client_uri");
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1397 end
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1398
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1399 if not client_metadata.application_type and redirect_uri_allowed(client_metadata.redirect_uris[1], client_uri, "native") then
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1400 client_metadata.application_type = "native";
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1401 -- else defaults to "web"
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1402 end
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps Kim Alvefur <zash@zash.se> parents: 5647 diff changeset	1403
5366 db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1404 -- Fill in default values
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1405 for propname, propspec in pairs(registration_schema.properties) do
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1406 if client_metadata[propname] == nil and type(propspec) == "table" and propspec.default ~= nil then
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1407 client_metadata[propname] = propspec.default;
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1408 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1409 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	1410
5559 d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1411 -- MUST ignore any metadata that it does not understand
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1412 for propname in pairs(client_metadata) do
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1413 if not registration_schema.properties[propname] then
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1414 client_metadata[propname] = nil;
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1415 end
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1416 end
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata Kim Alvefur <zash@zash.se> parents: 5554 diff changeset	1417
5239 8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	1418 for _, redirect_uri in ipairs(client_metadata.redirect_uris) do
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	1419 if not redirect_uri_allowed(redirect_uri, client_uri, client_metadata.application_type) then
5402 fbf3ede7541b mod_http_oauth2: More appropriate error conditions in client validation Kim Alvefur <zash@zash.se> parents: 5401 diff changeset	1420 return nil, oauth_error("invalid_redirect_uri", "Invalid, insecure or inappropriate redirect URI.");
5242 4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs Kim Alvefur <zash@zash.se> parents: 5241 diff changeset	1421 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs Kim Alvefur <zash@zash.se> parents: 5241 diff changeset	1422 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs Kim Alvefur <zash@zash.se> parents: 5241 diff changeset	1423
5244 fa7bd721a3f6 mod_http_oauth2: Fix validation of informative URIs Kim Alvefur <zash@zash.se> parents: 5243 diff changeset	1424 for field, prop_schema in pairs(registration_schema.properties) do
5246 fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration Kim Alvefur <zash@zash.se> parents: 5245 diff changeset	1425 if field ~= "client_uri" and prop_schema.format == "uri" and client_metadata[field] then
5403 c574aaaa4d57 mod_http_oauth2: Simplify validation of various URIs Kim Alvefur <zash@zash.se> parents: 5402 diff changeset	1426 if not redirect_uri_allowed(client_metadata[field], client_uri, "web") then
c574aaaa4d57 mod_http_oauth2: Simplify validation of various URIs Kim Alvefur <zash@zash.se> parents: 5402 diff changeset	1427 return nil, oauth_error("invalid_client_metadata", "Invalid, insecure or inappropriate informative URI");
5242 4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs Kim Alvefur <zash@zash.se> parents: 5241 diff changeset	1428 end
5239 8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	1429 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	1430 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	1431
5406 b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1432 local grant_types = set.new(client_metadata.grant_types);
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1433 local response_types = set.new(client_metadata.response_types);
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1434
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1435 if grant_types:contains("authorization_code") and not response_types:contains("code") then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1436 return nil, oauth_error("invalid_client_metadata", "Inconsistency between 'grant_types' and 'response_types'");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1437 elseif grant_types:contains("implicit") and not response_types:contains("token") then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1438 return nil, oauth_error("invalid_client_metadata", "Inconsistency between 'grant_types' and 'response_types'");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1439 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1440
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1441 if set.intersection(grant_types, allowed_grant_type_handlers):empty() then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1442 return nil, oauth_error("invalid_client_metadata", "No allowed 'grant_types' specified");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1443 elseif set.intersection(response_types, allowed_response_type_handlers):empty() then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1444 return nil, oauth_error("invalid_client_metadata", "No allowed 'response_types' specified");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1445 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1446
5793 990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1447 if client_metadata.token_endpoint_auth_method ~= "none" then
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1448 -- Ensure that each client_id JWT with a client_secret is unique.
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1449 -- A short ID along with the issued at timestamp should be sufficient to
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1450 -- rule out brute force attacks.
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1451 -- Not needed for public clients without a secret, but those are expected
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1452 -- to be uncommon since they can only do the insecure implicit flow.
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1453 client_metadata.nonce = id.short();
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1454 end
990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1455
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1456 -- Do we want to keep everything?
5459 260a859be86a mod_http_oauth2: Rename variables to improve clarity Kim Alvefur <zash@zash.se> parents: 5458 diff changeset	1457 local client_id = sign_client(client_metadata);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1458
5221 22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration Matthew Wild <mwild1@gmail.com> parents: 5219 diff changeset	1459 client_metadata.client_id = client_id;
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration Matthew Wild <mwild1@gmail.com> parents: 5219 diff changeset	1460 client_metadata.client_id_issued_at = os.time();
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration Matthew Wild <mwild1@gmail.com> parents: 5219 diff changeset	1461
5407 149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1462 if client_metadata.token_endpoint_auth_method ~= "none" then
5793 990c6adc4407 mod_http_oauth2: Move some code earlier Kim Alvefur <zash@zash.se> parents: 5790 diff changeset	1463 local client_secret = make_client_secret(client_id);
5407 149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1464 client_metadata.client_secret = client_secret;
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1465 client_metadata.client_secret_expires_at = 0;
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1466
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1467 if not registration_options.accept_expired then
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1468 client_metadata.client_secret_expires_at = client_metadata.client_id_issued_at + (registration_options.default_ttl or 3600);
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1469 end
5202 b81fd0d22c66 mod_http_oauth2: Calculate client secret expiry in registration response Kim Alvefur <zash@zash.se> parents: 5201 diff changeset	1470 end
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1471
5259 8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1472 return client_metadata;
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1473 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1474
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1475 local function handle_register_request(event)
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1476 local request = event.request;
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1477 local client_metadata, err = json.decode(request.body);
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1478 if err then
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1479 return oauth_error("invalid_request", "Invalid JSON");
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1480 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1481
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1482 local response, err = create_client(client_metadata);
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1483 if err then return err end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1484
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1485 return {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1486 status_code = 201;
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1487 headers = {
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1488 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1489 pragma = "no-cache";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1490 content_type = "application/json";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1491 };
5259 8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1492 body = json.encode(response);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1493 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1494 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1495
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1496 if not registration_key then
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1497 module:log("info", "No 'oauth2_registration_key', dynamic client registration disabled")
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1498 handle_authorization_request = nil
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1499 handle_register_request = nil
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1500 handle_device_authorization_request = nil
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1501 handle_device_verification_request = nil
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1502 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1503
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1504 local function handle_userinfo_request(event)
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1505 local request = event.request;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1506 local credentials = get_request_credentials(request);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1507 if not credentials or not credentials.bearer_token then
5336 77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint Kim Alvefur <zash@zash.se> parents: 5335 diff changeset	1508 module:log("debug", "Missing credentials for UserInfo endpoint: %q", credentials)
5335 53c6f49dcbb8 mod_http_oauth2: Correct error code when missing credentials for userinfo Kim Alvefur <zash@zash.se> parents: 5280 diff changeset	1509 return 401;
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1510 end
5336 77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint Kim Alvefur <zash@zash.se> parents: 5335 diff changeset	1511 local token_info,err = tokens.get_token_info(credentials.bearer_token);
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1512 if not token_info then
5336 77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint Kim Alvefur <zash@zash.se> parents: 5335 diff changeset	1513 module:log("debug", "UserInfo query failed token validation: %s", err)
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1514 return 403;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1515 end
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1516 local scopes = set.new()
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1517 if type(token_info.grant.data) == "table" and type(token_info.grant.data.oauth2_scopes) == "string" then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1518 scopes:add_list(parse_scopes(token_info.grant.data.oauth2_scopes));
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1519 else
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1520 module:log("debug", "token_info = %q", token_info)
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1521 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1522
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1523 if not scopes:contains("openid") then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1524 module:log("debug", "Missing the 'openid' scope in %q", scopes)
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1525 -- The 'openid' scope is required for access to this endpoint.
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1526 return 403;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1527 end
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1528
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1529 local user_info = {
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1530 iss = get_issuer();
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1531 sub = url.build({ scheme = "xmpp"; path = token_info.jid });
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1532 }
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1533
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1534 local token_claims = set.intersection(openid_claims, scopes);
5375 8b7d97f0ae8a mod_http_oauth2: Fix to include "openid" scope in discovery metadata Kim Alvefur <zash@zash.se> parents: 5367 diff changeset	1535 token_claims:remove("openid"); -- that's "iss" and "sub" above
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1536 if not token_claims:empty() then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1537 -- Another module can do that
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1538 module:fire_event("token/userinfo", {
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1539 token = token_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1540 claims = token_claims;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1541 username = jid.split(token_info.jid);
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1542 userinfo = user_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1543 });
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1544 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1545
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1546 return {
5258 9629971e307f mod_http_oauth2: Fix userinfo status code off-by-one Kim Alvefur <zash@zash.se> parents: 5257 diff changeset	1547 status_code = 200;
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1548 headers = { content_type = "application/json" };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1549 body = json.encode(user_info);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1550 };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1551 end
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1552
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1553 module:depends("http");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1554 module:provides("http", {
5480 5108f63e762b mod_http_oauth2: Allow CORS for browser clients Kim Alvefur <zash@zash.se> parents: 5479 diff changeset	1555 cors = { enabled = true; credentials = true };
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1556 route = {
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1557 -- OAuth 2.0 in 5 simple steps!
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1558 -- This is the normal 'authorization_code' flow.
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1559
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1560 -- Step 1. Create OAuth client
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1561 ["POST /register"] = handle_register_request;
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1562
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1563 -- Device flow
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1564 ["POST /device"] = handle_device_authorization_request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1565 ["GET /device"] = handle_device_verification_request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1566
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1567 -- Step 2. User-facing login and consent view
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	1568 ["GET /authorize"] = handle_authorization_request;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1569 ["POST /authorize"] = handle_authorization_request;
5548 fd3c12c40cd9 mod_http_oauth2: Disable CORS for authorization endpoint Kim Alvefur <zash@zash.se> parents: 5547 diff changeset	1570 ["OPTIONS /authorize"] = { status_code = 403; body = "" };
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1571
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1572 -- Step 3. User is redirected to the 'redirect_uri' along with an
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1573 -- authorization code. In the insecure 'implicit' flow, the access token
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1574 -- is delivered here.
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1575
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1576 -- Step 4. Retrieve access token using the code.
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1577 ["POST /token"] = handle_token_grant;
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1578
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1579 -- Step 4 is later repeated using the refresh token to get new access tokens.
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1580
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1581 -- Step 5. Revoke token (access or refresh)
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	1582 ["POST /revoke"] = handle_revocation_request;
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1583
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1584 -- Get info about a token
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1585 ["POST /introspect"] = handle_introspection_request;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1586
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1587 -- OpenID
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1588 ["GET /userinfo"] = handle_userinfo_request;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1589
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1590 -- Optional static content for templates
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1591 ["GET /style.css"] = templates.css and {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1592 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1593 ["Content-Type"] = "text/css";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1594 };
5665 7c105277a9ca mod_http_oauth2: Remove broken in-CSS templating Kim Alvefur <zash@zash.se> parents: 5651 diff changeset	1595 body = templates.css;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1596 } or nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1597 ["GET /script.js"] = templates.js and {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1598 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1599 ["Content-Type"] = "text/javascript";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1600 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1601 body = templates.js;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1602 } or nil;
5393 9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema Kim Alvefur <zash@zash.se> parents: 5392 diff changeset	1603
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema Kim Alvefur <zash@zash.se> parents: 5392 diff changeset	1604 -- Some convenient fallback handlers
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema Kim Alvefur <zash@zash.se> parents: 5392 diff changeset	1605 ["GET /register"] = { headers = { content_type = "application/schema+json" }; body = json.encode(registration_schema) };
5396 ac7c5669e5f5 mod_http_oauth2: Return status 405 for GET to endpoints without GET handler Kim Alvefur <zash@zash.se> parents: 5394 diff changeset	1606 ["GET /token"] = function() return 405; end;
ac7c5669e5f5 mod_http_oauth2: Return status 405 for GET to endpoints without GET handler Kim Alvefur <zash@zash.se> parents: 5394 diff changeset	1607 ["GET /revoke"] = function() return 405; end;
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1608 ["GET /introspect"] = function() return 405; end;
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1609 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1610 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1611
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1612 local http_server = require "net.http.server";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1613
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1614 module:hook_object_event(http_server, "http-error", function (event)
4276 ec33b3b1136c mod_http_oauth2: Fix passing OAuth-specific error details Kim Alvefur <zash@zash.se> parents: 4272 diff changeset	1615 local oauth2_response = event.error and event.error.extra and event.error.extra.oauth2_response;
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1616 if not oauth2_response then
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1617 return;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1618 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1619 event.response.headers.content_type = "application/json";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1620 event.response.status_code = event.error.code or 400;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1621 return json.encode(oauth2_response);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1622 end, 5);
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1623
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1624 -- OIDC Discovery
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1625
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1626 function get_authorization_server_metadata()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1627 if authorization_server_metadata then
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1628 return authorization_server_metadata;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1629 end
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1630 authorization_server_metadata = {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1631 -- RFC 8414: OAuth 2.0 Authorization Server Metadata
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1632 issuer = get_issuer();
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1633 authorization_endpoint = handle_authorization_request and module:http_url() .. "/authorize" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1634 token_endpoint = handle_token_grant and module:http_url() .. "/token" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1635 registration_endpoint = handle_register_request and module:http_url() .. "/register" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1636 scopes_supported = usermanager.get_all_roles
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1637 and array(it.keys(usermanager.get_all_roles(module.host))):push("xmpp"):append(array(openid_claims:items()));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1638 response_types_supported = array(it.keys(response_type_handlers));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1639 token_endpoint_auth_methods_supported = array({ "client_secret_post"; "client_secret_basic" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1640 op_policy_uri = module:get_option_string("oauth2_policy_url", nil);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1641 op_tos_uri = module:get_option_string("oauth2_terms_url", nil);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1642 revocation_endpoint = handle_revocation_request and module:http_url() .. "/revoke" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1643 revocation_endpoint_auth_methods_supported = array({ "client_secret_basic" });
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1644 device_authorization_endpoint = handle_device_authorization_request and module:http_url() .. "/device";
5703 b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1645 introspection_endpoint = handle_introspection_request and module:http_url() .. "/introspect";
b43c989fb69c mod_http_oauth2: Implement introspection endpoint Kim Alvefur <zash@zash.se> parents: 5688 diff changeset	1646 introspection_endpoint_auth_methods_supported = nil;
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1647 code_challenge_methods_supported = array(it.keys(verifier_transforms));
5596 7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Kim Alvefur <zash@zash.se> parents: 5580 diff changeset	1648 grant_types_supported = array(it.keys(grant_type_handlers));
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1649 response_modes_supported = array(it.keys(response_type_handlers)):map(tmap { token = "fragment"; code = "query" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1650 authorization_response_iss_parameter_supported = true;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1651 service_documentation = module:get_option_string("oauth2_service_documentation", "https://modules.prosody.im/mod_http_oauth2.html");
5554 90449babaa48 mod_http_oauth2: Make allowed locales configurable Kim Alvefur <zash@zash.se> parents: 5553 diff changeset	1652 ui_locales_supported = allowed_locales[1] and allowed_locales;
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1653
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1654 -- OpenID
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1655 userinfo_endpoint = handle_register_request and module:http_url() .. "/userinfo" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1656 jwks_uri = nil; -- REQUIRED in OpenID Discovery but not in OAuth 2.0 Metadata
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1657 id_token_signing_alg_values_supported = { "HS256" }; -- The algorithm RS256 MUST be included, but we use HS256 and client_secret as shared key.
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1658 }
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1659 return authorization_server_metadata;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1660 end
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1661
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1662 module:provides("http", {
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1663 name = "oauth2-discovery";
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1664 default_path = "/.well-known/oauth-authorization-server";
5480 5108f63e762b mod_http_oauth2: Allow CORS for browser clients Kim Alvefur <zash@zash.se> parents: 5479 diff changeset	1665 cors = { enabled = true };
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1666 route = {
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1667 ["GET"] = function()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1668 return {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1669 headers = { content_type = "application/json" };
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1670 body = json.encode(get_authorization_server_metadata());
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1671 }
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1672 end
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1673 };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1674 });
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1675
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1676 module:shared("tokenauth/oauthbearer_config").oidc_discovery_url = module:http_url("oauth2-discovery", "/.well-known/oauth-authorization-server");

prosody-modules

97c9b76867ca

mod_http_oauth2/mod_http_oauth2.lua

Software / code / prosody-modules

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mod_http_oauth2/mod_http_oauth2.lua @ 5877:97c9b76867ca

Software `/` code `/` prosody-modules