prosody-modules
1b81b7269858
mod_http_oauth2/mod_http_oauth2.lua

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mod_http_oauth2/mod_http_oauth2.lua @ 4670:1b81b7269858

mod_http_oauth2: Gracefully handle cache write failure Would previously have thrown an error and probably returned a traceback. This would only happen if a *lot* of authorization codes were requested in a short interval.
author Kim Alvefur <zash@zash.se>
date Thu, 02 Sep 2021 23:06:58 +0200
parent 4669:d3434fd151b5
child 4998:5ab134b7e510
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local hashes = require "util.hashes";
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2 local cache = require "util.cache";
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3 local http = require "util.http";
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4 local jid = require "util.jid";
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5 local json = require "util.json";
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6 local usermanager = require "core.usermanager";
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7 local errors = require "util.error";
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8 local url = require "socket.url";
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9 local uuid = require "util.uuid";
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10 local encodings = require "util.encodings";
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11 local base64 = encodings.base64;
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12
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80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4
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13 local tokens = module:depends("tokenauth");
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14
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15 local clients = module:open_store("oauth2_clients", "map");
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16
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17 local function filter_scopes(request_jid, requested_scope_string) --luacheck: ignore 212/requested_scope_string
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18 -- We currently don't really support scopes, so override
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19 -- to whatever real permissions the user has
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20 if usermanager.is_admin(request_jid, module.host) then
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21 return "prosody:scope:admin";
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22 end
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23 return "prosody:scope:default";
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24 end
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25
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26 local function code_expires_in(code)
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27 return os.difftime(os.time(), code.issued);
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28 end
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29
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30 local function code_expired(code)
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31 return code_expires_in(code) > 120;
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32 end
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33
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34 local codes = cache.new(10000, function (_, code)
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35 return code_expired(code)
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36 end);
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37
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38 module:add_timer(900, function()
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39 local k, code = codes:tail();
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40 while code and code_expired(code) do
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41 codes:set(k, nil);
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42 k, code = codes:tail();
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43 end
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44 return code and code_expires_in(code) + 1 or 900;
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45 end)
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46
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47 local function oauth_error(err_name, err_desc)
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48 return errors.new({
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49 type = "modify";
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50 condition = "bad-request";
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51 code = err_name == "invalid_client" and 401 or 400;
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52 text = err_desc and (err_name..": "..err_desc) or err_name;
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53 extra = { oauth2_response = { error = err_name, error_description = err_desc } };
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54 });
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55 end
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56
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57 local function new_access_token(token_jid, scope, ttl)
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58 local token = tokens.create_jid_token(token_jid, token_jid, scope, ttl);
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59 return {
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60 token_type = "bearer";
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61 access_token = token;
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62 expires_in = ttl;
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63 scope = scope;
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64 -- TODO: include refresh_token when implemented
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65 };
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66 end
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67
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68 local grant_type_handlers = {};
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69 local response_type_handlers = {};
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70
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71 function grant_type_handlers.password(params)
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72 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
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73 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
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74 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
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75
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76 if not (request_username and request_host) or request_host ~= module.host then
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77 return oauth_error("invalid_request", "invalid JID");
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78 end
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79 if not usermanager.test_password(request_username, request_host, request_password) then
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80 return oauth_error("invalid_grant", "incorrect credentials");
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81 end
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82
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83 local granted_jid = jid.join(request_username, request_host, request_resource);
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84 local granted_scopes = filter_scopes(granted_jid, params.scope);
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85 return json.encode(new_access_token(granted_jid, granted_scopes, nil));
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86 end
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87
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88 function response_type_handlers.code(params, granted_jid)
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89 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
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90 if not params.redirect_uri then return oauth_error("invalid_request", "missing 'redirect_uri'"); end
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91
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92 local client_owner, client_host, client_id = jid.prepped_split(params.client_id);
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93 if client_host ~= module.host then
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94 return oauth_error("invalid_client", "incorrect credentials");
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95 end
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96 local client, err = clients:get(client_owner, client_id);
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97 if err then error(err); end
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98 if not client then
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99 return oauth_error("invalid_client", "incorrect credentials");
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100 end
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101
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102 local granted_scopes = filter_scopes(granted_jid, params.scope);
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103
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104 local code = uuid.generate();
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105 local ok = codes:set(params.client_id .. "#" .. code, {
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106 issued = os.time();
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107 granted_jid = granted_jid;
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108 granted_scopes = granted_scopes;
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109 });
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110 if not ok then
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111 return {status_code = 429};
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112 end
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113
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114 local redirect = url.parse(params.redirect_uri);
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115 local query = http.formdecode(redirect.query or "");
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116 if type(query) ~= "table" then query = {}; end
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117 table.insert(query, { name = "code", value = code })
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118 if params.state then
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119 table.insert(query, { name = "state", value = params.state });
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120 end
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121 redirect.query = http.formencode(query);
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Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
122
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
123 return {
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
124 status_code = 302;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
125 headers = {
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
126 location = url.build(redirect);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
127 };
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
128 }
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
129 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
130
4263
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
131 local pepper = module:get_option_string("oauth2_client_pepper", "");
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
132
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
133 local function verify_secret(stored, salt, i, secret)
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
134 return base64.decode(stored) == hashes.pbkdf2_hmac_sha256(secret, salt .. pepper, i);
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
135 end
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
136
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
137 function grant_type_handlers.authorization_code(params)
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
138 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
139 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
140 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
141 if params.scope and params.scope ~= "" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
142 return oauth_error("invalid_scope", "unknown scope requested");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
143 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
144
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
145 local client_owner, client_host, client_id = jid.prepped_split(params.client_id);
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
146 if client_host ~= module.host then
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
147 module:log("debug", "%q ~= %q", client_host, module.host);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
148 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
149 end
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
150 local client, err = clients:get(client_owner, client_id);
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
151 if err then error(err); end
4263
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
152 if not client or not verify_secret(client.secret_hash, client.salt, client.iteration_count, 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
153 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
154 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
155 end
4271
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
156 local code, err = codes:get(params.client_id .. "#" .. params.code);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
157 if err then error(err); end
4269
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision
Kim Alvefur <zash@zash.se>
parents: 4265
diff changeset
158 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
159 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
160 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
161 end
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
162 assert(codes:set(client_owner, client_id .. "#" .. params.code, nil));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
163
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
164 return json.encode(new_access_token(code.granted_jid, code.granted_scopes, nil));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
165 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
166
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
167 local function check_credentials(request, allow_token)
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
168 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
169
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
170 if auth_type == "Basic" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
171 local creds = base64.decode(auth_data);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
172 if not creds then return false; end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
173 local username, password = string.match(creds, "^([^:]+):(.*)$");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
174 if not username then return false; end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
175 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
176 if not username then return false; end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
177 if not usermanager.test_password(username, module.host, password) then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
178 return false;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
179 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
180 return username;
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
181 elseif auth_type == "Bearer" and allow_token then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
182 local token_info = tokens.get_token_info(auth_data);
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
183 if not token_info or not token_info.session or token_info.session.host ~= module.host then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
184 return false;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
185 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
186 return token_info.session.username;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
187 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
188 return nil;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
189 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
190
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
191 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
192 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
193
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
194 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
195 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
196 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
197 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
198 if params.scope then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
199 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
200 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
201 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
202 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
203 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
204 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
205 local granted_jid = jid.join(request_username, request_host, request_resource);
4257
145e8e8a247a mod_http_oauth2: Fix incomplete function arity change in dea6bea2ddd3
Kim Alvefur <zash@zash.se>
parents: 4256
diff changeset
206 return json.encode(new_access_token(granted_jid, nil, nil));
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
207 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
208 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
209 end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
210
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
211 -- TODO How would this make sense with components?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
212 -- Have an admin authenticate maybe?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
213 response_type_handlers.code = nil;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
214 grant_type_handlers.authorization_code = nil;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
215 check_credentials = function () return false end
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
216 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
217
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 function handle_token_grant(event)
3934
469408682152 mod_http_oauth2: Set content type on successful repsponses (fixes #1501)
Kim Alvefur <zash@zash.se>
parents: 3920
diff changeset
219 event.response.headers.content_type = "application/json";
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220 local params = http.formdecode(event.request.body);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221 if not params then
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 return oauth_error("invalid_request");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 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
225 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
226 if not grant_handler then
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227 return oauth_error("unsupported_grant_type");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229 return grant_handler(params);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
230 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
231
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
232 local function handle_authorization_request(event)
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
233 local request, response = event.request, event.response;
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
234 if not request.headers.authorization then
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
235 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
236 return 401;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
237 end
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
238 local user = check_credentials(request);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
239 if not user then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
240 return 401;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
241 end
4265
7b4a73364363 mod_http_oauth2: Add TODO
Kim Alvefur <zash@zash.se>
parents: 4263
diff changeset
242 -- TODO ask user for consent here
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
243 if not request.url.query then
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
244 response.headers.content_type = "application/json";
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
245 return oauth_error("invalid_request");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
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diff changeset
246 end
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
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247 local params = http.formdecode(request.url.query);
4256
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248 if not params then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
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249 return oauth_error("invalid_request");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
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250 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
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251 local response_type = params.response_type;
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252 local response_handler = response_type_handlers[response_type];
c4b9d4ba839b mod_http_oauth2: Authorization code flow
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253 if not response_handler then
4258
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254 response.headers.content_type = "application/json";
4256
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parents: 4237
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255 return oauth_error("unsupported_response_type");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
256 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
257 return response_handler(params, jid.join(user, module.host));
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
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258 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
259
4370
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Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
260 local function handle_revocation_request(event)
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261 local request, response = event.request, event.response;
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Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
262 if not request.headers.authorization then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
263 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
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Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
264 return 401;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
265 elseif request.headers.content_type ~= "application/x-www-form-urlencoded"
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
266 or not request.body or request.body == "" then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
267 return 400;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
268 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
269 local user = check_credentials(request, true);
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
270 if not user then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
271 return 401;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
272 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
273
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
274 local form_data = http.formdecode(event.request.body);
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Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
275 if not form_data or not form_data.token then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
276 return 400;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
277 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
278 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
279 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
280 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
281 return 500;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
282 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
283 return 200;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
284 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
285
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
286 module:depends("http");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
287 module:provides("http", {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
288 route = {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
289 ["POST /token"] = handle_token_grant;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
290 ["GET /authorize"] = handle_authorization_request;
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
291 ["POST /revoke"] = handle_revocation_request;
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
292 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
293 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
294
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
295 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
296
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
297 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
298 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
299 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
300 return;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
301 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
302 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
303 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
304 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
305 end, 5);