prosody-modules
dee6b5098278
mod_http_oauth2/mod_http_oauth2.lua

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mod_http_oauth2/mod_http_oauth2.lua @ 4370:dee6b5098278

mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
author Matthew Wild <mwild1@gmail.com>
date Thu, 21 Jan 2021 18:06:12 +0000
parent 4340:7cd3b7ec59e9
child 4669:d3434fd151b5
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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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_expired(code)
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27 return os.difftime(os.time(), code.issued) > 120;
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28 end
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29
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30 local codes = cache.new(10000, function (_, code)
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31 return code_expired(code)
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32 end);
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33
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34 module:add_timer(900, function()
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35 local k, code = codes:tail();
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36 while code and code_expired(code) do
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37 codes:set(k, nil);
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38 k, code = codes:tail();
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39 end
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40 return 900;
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41 end)
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42
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43 local function oauth_error(err_name, err_desc)
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44 return errors.new({
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45 type = "modify";
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46 condition = "bad-request";
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47 code = err_name == "invalid_client" and 401 or 400;
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48 text = err_desc and (err_name..": "..err_desc) or err_name;
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49 extra = { oauth2_response = { error = err_name, error_description = err_desc } };
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50 });
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51 end
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52
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53 local function new_access_token(token_jid, scope, ttl)
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54 local token = tokens.create_jid_token(token_jid, token_jid, scope, ttl);
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55 return {
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56 token_type = "bearer";
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57 access_token = token;
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58 expires_in = ttl;
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59 scope = scope;
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60 -- TODO: include refresh_token when implemented
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61 };
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62 end
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63
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64 local grant_type_handlers = {};
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65 local response_type_handlers = {};
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66
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67 function grant_type_handlers.password(params)
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68 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
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69 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
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70 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
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71
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72 if not (request_username and request_host) or request_host ~= module.host then
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73 return oauth_error("invalid_request", "invalid JID");
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74 end
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75 if not usermanager.test_password(request_username, request_host, request_password) then
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76 return oauth_error("invalid_grant", "incorrect credentials");
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77 end
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78
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79 local granted_jid = jid.join(request_username, request_host, request_resource);
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80 local granted_scopes = filter_scopes(granted_jid, params.scope);
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81 return json.encode(new_access_token(granted_jid, granted_scopes, nil));
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82 end
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83
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84 function response_type_handlers.code(params, granted_jid)
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85 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
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86 if not params.redirect_uri then return oauth_error("invalid_request", "missing 'redirect_uri'"); end
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87
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88 local client_owner, client_host, client_id = jid.prepped_split(params.client_id);
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89 if client_host ~= module.host then
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90 return oauth_error("invalid_client", "incorrect credentials");
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91 end
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92 local client, err = clients:get(client_owner, client_id);
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93 if err then error(err); end
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94 if not client then
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95 return oauth_error("invalid_client", "incorrect credentials");
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96 end
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97
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98 local granted_scopes = filter_scopes(granted_jid, params.scope);
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99
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100 local code = uuid.generate();
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101 assert(codes:set(params.client_id .. "#" .. code, {
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102 issued = os.time();
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103 granted_jid = granted_jid;
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104 granted_scopes = granted_scopes;
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105 }));
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106
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107 local redirect = url.parse(params.redirect_uri);
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108 local query = http.formdecode(redirect.query or "");
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109 if type(query) ~= "table" then query = {}; end
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110 table.insert(query, { name = "code", value = code })
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111 if params.state then
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112 table.insert(query, { name = "state", value = params.state });
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113 end
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114 redirect.query = http.formencode(query);
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115
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116 return {
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117 status_code = 302;
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118 headers = {
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119 location = url.build(redirect);
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120 };
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121 }
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122 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
123
4263
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
124 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
125
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
126 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
127 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
128 end
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
129
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
130 function grant_type_handlers.authorization_code(params)
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
131 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
132 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
133 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
134 if params.scope and params.scope ~= "" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
135 return oauth_error("invalid_scope", "unknown scope requested");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
136 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
137
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
138 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
139 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
140 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
141 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
142 end
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
143 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
144 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
145 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
146 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
147 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
148 end
4271
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
149 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
150 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
151 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
152 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
153 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
154 end
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
155 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
156
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
157 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
158 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
159
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
160 local function check_credentials(request, allow_token)
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
161 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
162
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
163 if auth_type == "Basic" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
164 local creds = base64.decode(auth_data);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
165 if not creds then return false; end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
166 local username, password = string.match(creds, "^([^:]+):(.*)$");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
167 if not username then return false; end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
168 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
169 if not username then return false; end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
170 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
171 return false;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
172 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
173 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
174 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
175 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
176 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
177 return false;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
178 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
179 return token_info.session.username;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
180 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
181 return nil;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
182 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
183
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
184 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
185 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
186
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
187 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
188 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
189 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
190 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
191 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
192 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
193 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
194 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
195 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
196 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
197 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
198 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
199 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
200 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
201 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
202 end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
203
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
204 -- TODO How would this make sense with components?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
205 -- Have an admin authenticate maybe?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
206 response_type_handlers.code = nil;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
207 grant_type_handlers.authorization_code = nil;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
208 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
209 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
210
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 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
212 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
213 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
214 if not params then
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 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
216 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217 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
218 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
219 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
220 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
221 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 return grant_handler(params);
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
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
225 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
226 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
227 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
228 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
229 return 401;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
230 end
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
231 local user = check_credentials(request);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
232 if not user then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
233 return 401;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
234 end
4265
7b4a73364363 mod_http_oauth2: Add TODO
Kim Alvefur <zash@zash.se>
parents: 4263
diff changeset
235 -- 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
236 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
237 response.headers.content_type = "application/json";
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
238 return oauth_error("invalid_request");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
239 end
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
240 local params = http.formdecode(request.url.query);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
241 if not params then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
242 return oauth_error("invalid_request");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
243 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
244 local response_type = params.response_type;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
245 local response_handler = response_type_handlers[response_type];
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246 if not response_handler then
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
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247 response.headers.content_type = "application/json";
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248 return oauth_error("unsupported_response_type");
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249 end
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250 return response_handler(params, jid.join(user, module.host));
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251 end
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252
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253 local function handle_revocation_request(event)
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254 local request, response = event.request, event.response;
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255 if not request.headers.authorization then
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parents: 4340
diff changeset
256 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
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257 return 401;
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258 elseif request.headers.content_type ~= "application/x-www-form-urlencoded"
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259 or not request.body or request.body == "" then
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260 return 400;
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diff changeset
261 end
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diff changeset
262 local user = check_credentials(request, true);
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diff changeset
263 if not user then
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parents: 4340
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264 return 401;
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parents: 4340
diff changeset
265 end
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parents: 4340
diff changeset
266
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parents: 4340
diff changeset
267 local form_data = http.formdecode(event.request.body);
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Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
268 if not form_data or not form_data.token then
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parents: 4340
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269 return 400;
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270 end
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Matthew Wild <mwild1@gmail.com>
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diff changeset
271 local ok, err = tokens.revoke_token(form_data.token);
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diff changeset
272 if not ok then
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diff changeset
273 module:log("warn", "Unable to revoke token: %s", tostring(err));
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parents: 4340
diff changeset
274 return 500;
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parents: 4340
diff changeset
275 end
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diff changeset
276 return 200;
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diff changeset
277 end
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diff changeset
278
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
279 module:depends("http");
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parents:
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280 module:provides("http", {
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diff changeset
281 route = {
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parents:
diff changeset
282 ["POST /token"] = handle_token_grant;
4256
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parents: 4237
diff changeset
283 ["GET /authorize"] = handle_authorization_request;
4370
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parents: 4340
diff changeset
284 ["POST /revoke"] = handle_revocation_request;
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
285 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
286 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
287
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
288 local http_server = require "net.http.server";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
289
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
290 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
291 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
292 if not oauth2_response then
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
293 return;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
294 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
295 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
296 event.response.status_code = event.error.code or 400;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
diff changeset
297 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
298 end, 5);