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mod_rest/mod_rest.lua @ 4799:18b12ad263f0
mod_bind2: Add initial README
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 28 Nov 2021 20:10:07 +0100 |
parent | 4745:d29a295cd165 |
child | 4841:f69c5a443156 |
rev | line source |
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1 -- RESTful API |
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2 -- |
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3 -- Copyright (c) 2019-2020 Kim Alvefur |
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4 -- |
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5 -- This file is MIT/X11 licensed. |
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6 |
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7 local encodings = require "util.encodings"; |
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8 local base64 = encodings.base64; |
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9 local errors = require "util.error"; |
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10 local http = require "net.http"; |
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11 local id = require "util.id"; |
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12 local jid = require "util.jid"; |
3813 | 13 local json = require "util.json"; |
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14 local st = require "util.stanza"; |
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15 local um = require "core.usermanager"; |
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16 local xml = require "util.xml"; |
4037 | 17 local have_cbor, cbor = pcall(require, "cbor"); |
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18 |
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19 local jsonmap = module:require"jsonmap"; |
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20 |
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21 local tokens = module:depends("tokenauth"); |
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22 |
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23 local auth_mechanisms = module:get_option_set("rest_auth_mechanisms", { "Basic", "Bearer" }); |
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24 |
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25 local www_authenticate_header; |
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26 do |
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27 local header, realm = {}, module.host.."/"..module.name; |
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28 for mech in auth_mechanisms do |
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29 header[#header+1] = ("%s realm=%q"):format(mech, realm); |
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30 end |
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31 www_authenticate_header = table.concat(header, ", "); |
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32 end |
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33 |
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34 local function check_credentials(request) |
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35 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$"); |
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36 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then |
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37 return false; |
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38 end |
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39 |
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40 if auth_type == "Basic" then |
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41 local creds = base64.decode(auth_data); |
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42 if not creds then return false; end |
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43 local username, password = string.match(creds, "^([^:]+):(.*)$"); |
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44 if not username then return false; end |
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45 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password); |
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46 if not username then return false; end |
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47 if not um.test_password(username, module.host, password) then |
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48 return false; |
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49 end |
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50 return { username = username, host = module.host }; |
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51 elseif auth_type == "Bearer" then |
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52 local token_info = tokens.get_token_info(auth_data); |
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53 if not token_info or not token_info.session then |
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54 return false; |
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55 end |
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56 return token_info.session; |
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57 end |
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58 return nil; |
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59 end |
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60 |
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61 if module:get_option_string("authentication") == "anonymous" and module:get_option_boolean("anonymous_rest") then |
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62 www_authenticate_header = nil; |
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63 function check_credentials(request) -- luacheck: ignore 212/request |
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64 return { |
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65 username = id.medium():lower(); |
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66 host = module.host; |
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67 } |
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68 end |
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69 end |
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70 |
4735 | 71 -- TODO This ought to be handled some way other than duplicating this |
72 -- core.stanza_router code here. | |
73 local function compat_preevents(origin, stanza) --> boolean : handled | |
74 local to = stanza.attr.to; | |
75 local node, host, resource = jid.split(to); | |
76 | |
77 local to_type, to_self; | |
78 if node then | |
79 if resource then | |
80 to_type = '/full'; | |
81 else | |
82 to_type = '/bare'; | |
83 if node == origin.username and host == origin.host then | |
84 stanza.attr.to = nil; | |
85 to_self = true; | |
86 end | |
87 end | |
88 else | |
89 if host then | |
90 to_type = '/host'; | |
91 else | |
92 to_type = '/bare'; | |
93 to_self = true; | |
94 end | |
95 end | |
96 | |
97 local event_data = { origin = origin; stanza = stanza; to_self = to_self }; | |
98 | |
99 local result = module:fire_event("pre-stanza", event_data); | |
100 if result ~= nil then return true end | |
101 if module:fire_event('pre-' .. stanza.name .. to_type, event_data) then return true; end -- do preprocessing | |
102 return false | |
103 end | |
104 | |
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105 -- (table, string) -> table |
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106 local function amend_from_path(data, path) |
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107 local st_kind, st_type, st_to = path:match("^([mpi]%w+)/(%w+)/(.*)$"); |
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108 if not st_kind then return; end |
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109 if st_kind == "iq" and st_type ~= "get" and st_type ~= "set" then |
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110 -- GET /iq/disco/jid |
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111 data = { |
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112 kind = "iq"; |
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113 [st_type] = st_type == "ping" or data or {}; |
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114 }; |
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115 else |
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116 data.kind = st_kind; |
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117 data.type = st_type; |
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118 end |
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119 if st_to and st_to ~= "" then |
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120 data.to = st_to; |
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121 end |
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122 return data; |
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123 end |
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124 |
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125 local function parse(mimetype, data, path) --> Stanza, error enum |
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126 mimetype = mimetype and mimetype:match("^[^; ]*"); |
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127 if mimetype == "application/xmpp+xml" then |
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128 return xml.parse(data); |
3813 | 129 elseif mimetype == "application/json" then |
130 local parsed, err = json.decode(data); | |
131 if not parsed then | |
132 return parsed, err; | |
133 end | |
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134 if path then |
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135 parsed = amend_from_path(parsed, path); |
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136 if not parsed then return nil, "invalid-path"; end |
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137 end |
3813 | 138 return jsonmap.json2st(parsed); |
4037 | 139 elseif mimetype == "application/cbor" and have_cbor then |
140 local parsed, err = cbor.decode(data); | |
141 if not parsed then | |
142 return parsed, err; | |
143 end | |
144 return jsonmap.json2st(parsed); | |
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145 elseif mimetype == "application/x-www-form-urlencoded"then |
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146 local parsed = http.formdecode(data); |
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147 if type(parsed) == "string" then |
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148 -- This should reject GET /iq/query/to?messagebody |
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149 if path then |
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150 return nil, "invalid-query"; |
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151 end |
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152 return parse("text/plain", parsed); |
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153 end |
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154 for i = #parsed, 1, -1 do |
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155 parsed[i] = nil; |
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156 end |
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157 if path then |
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158 parsed = amend_from_path(parsed, path); |
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159 if not parsed then return nil, "invalid-path"; end |
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|
160 end |
3911
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161 return jsonmap.json2st(parsed); |
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162 elseif mimetype == "text/plain" then |
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163 if not path then |
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|
164 return st.message({ type = "chat" }, data); |
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|
165 end |
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166 local parsed = {}; |
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167 if path then |
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168 parsed = amend_from_path(parsed, path); |
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169 if not parsed then return nil, "invalid-path"; end |
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170 end |
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171 if parsed.kind == "message" then |
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172 parsed.body = data; |
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173 elseif parsed.kind == "presence" then |
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174 parsed.show = data; |
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175 else |
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176 return nil, "invalid-path"; |
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177 end |
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178 return jsonmap.json2st(parsed); |
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179 elseif not mimetype and path then |
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180 local parsed = amend_from_path({}, path); |
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181 if not parsed then return nil, "invalid-path"; end |
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182 return jsonmap.json2st(parsed); |
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183 end |
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184 return nil, "unknown-payload-type"; |
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185 end |
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186 |
3929
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|
187 local function decide_type(accept, supported_types) |
3813 | 188 -- assumes the accept header is sorted |
189 local ret = supported_types[1]; | |
190 for i = 2, #supported_types do | |
191 if (accept:find(supported_types[i], 1, true) or 1000) < (accept:find(ret, 1, true) or 1000) then | |
192 ret = supported_types[i]; | |
193 end | |
194 end | |
195 return ret; | |
3811
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196 end |
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197 |
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198 local supported_inputs = { |
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199 "application/xmpp+xml", |
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200 "application/json", |
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201 "application/x-www-form-urlencoded", |
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202 "text/plain", |
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203 }; |
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204 |
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205 local supported_outputs = { |
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206 "application/xmpp+xml", |
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207 "application/json", |
4066
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208 "application/x-www-form-urlencoded", |
3929
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209 }; |
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210 |
4037 | 211 if have_cbor then |
212 table.insert(supported_inputs, "application/cbor"); | |
213 table.insert(supported_outputs, "application/cbor"); | |
214 end | |
215 | |
4066
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|
216 -- Only { string : string } can be form-encoded, discard the rest |
07ae583bc565
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217 -- (jsonmap also discards anything unknown or unsupported) |
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218 local function flatten(t) |
07ae583bc565
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diff
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219 local form = {}; |
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diff
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220 for k, v in pairs(t) do |
07ae583bc565
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221 if type(v) == "string" then |
07ae583bc565
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|
222 form[k] = v; |
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|
223 elseif type(v) == "number" then |
07ae583bc565
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diff
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|
224 form[k] = tostring(v); |
07ae583bc565
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diff
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|
225 elseif v == true then |
07ae583bc565
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4037
diff
changeset
|
226 form[k] = ""; |
07ae583bc565
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4037
diff
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|
227 end |
07ae583bc565
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4037
diff
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|
228 end |
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4037
diff
changeset
|
229 return form; |
07ae583bc565
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parents:
4037
diff
changeset
|
230 end |
07ae583bc565
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4037
diff
changeset
|
231 |
3812
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Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
232 local function encode(type, s) |
3813 | 233 if type == "application/json" then |
234 return json.encode(jsonmap.st2json(s)); | |
4066
07ae583bc565
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4037
diff
changeset
|
235 elseif type == "application/x-www-form-urlencoded" then |
07ae583bc565
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Kim Alvefur <zash@zash.se>
parents:
4037
diff
changeset
|
236 return http.formencode(flatten(jsonmap.st2json(s))); |
4037 | 237 elseif type == "application/cbor" then |
238 return cbor.encode(jsonmap.st2json(s)); | |
3813 | 239 elseif type == "text/plain" then |
240 return s:get_child_text("body") or ""; | |
241 end | |
3812
f027b8b1e794
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Kim Alvefur <zash@zash.se>
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3811
diff
changeset
|
242 return tostring(s); |
f027b8b1e794
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Kim Alvefur <zash@zash.se>
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3811
diff
changeset
|
243 end |
f027b8b1e794
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Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
244 |
4244
07c11080027e
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Kim Alvefur <zash@zash.se>
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4242
diff
changeset
|
245 local post_errors = errors.init("mod_rest", { |
3971
ae5ac41c391d
mod_rest: Improve auth error reporting
Kim Alvefur <zash@zash.se>
parents:
3933
diff
changeset
|
246 noauthz = { code = 401, type = "auth", condition = "not-authorized", text = "No credentials provided" }, |
ae5ac41c391d
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Kim Alvefur <zash@zash.se>
parents:
3933
diff
changeset
|
247 unauthz = { code = 403, type = "auth", condition = "not-authorized", text = "Credentials not accepted" }, |
3930
d5dafd617cd6
mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents:
3929
diff
changeset
|
248 parse = { code = 400, condition = "not-well-formed", text = "Failed to parse payload", }, |
d5dafd617cd6
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Kim Alvefur <zash@zash.se>
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3929
diff
changeset
|
249 xmlns = { code = 422, condition = "invalid-namespace", text = "'xmlns' attribute must be empty", }, |
d5dafd617cd6
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Kim Alvefur <zash@zash.se>
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3929
diff
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|
250 name = { code = 422, condition = "unsupported-stanza-type", text = "Invalid stanza, must be 'message', 'presence' or 'iq'.", }, |
d5dafd617cd6
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3929
diff
changeset
|
251 to = { code = 422, condition = "improper-addressing", text = "Invalid destination JID", }, |
d5dafd617cd6
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3929
diff
changeset
|
252 from = { code = 422, condition = "invalid-from", text = "Invalid source JID", }, |
4532
183c2abdc3c4
mod_rest: Fix name of entry in error registry for unauth 'from'
Kim Alvefur <zash@zash.se>
parents:
4526
diff
changeset
|
253 from_auth = { code = 403, condition = "not-authorized", text = "Not authorized to send stanza with requested 'from'", }, |
3930
d5dafd617cd6
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3929
diff
changeset
|
254 iq_type = { code = 422, condition = "invalid-xml", text = "'iq' stanza must be of type 'get' or 'set'", }, |
d5dafd617cd6
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Kim Alvefur <zash@zash.se>
parents:
3929
diff
changeset
|
255 iq_tags = { code = 422, condition = "bad-format", text = "'iq' stanza must have exactly one child tag", }, |
4036
04c11b652aeb
mod_rest: Respond to unknown payload types with HTTP status 415
Kim Alvefur <zash@zash.se>
parents:
3971
diff
changeset
|
256 mediatype = { code = 415, condition = "bad-format", text = "Unsupported media type" }, |
4244
07c11080027e
mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
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4242
diff
changeset
|
257 }); |
3930
d5dafd617cd6
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Kim Alvefur <zash@zash.se>
parents:
3929
diff
changeset
|
258 |
4478
7ab0c423688a
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Kim Alvefur <zash@zash.se>
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4477
diff
changeset
|
259 -- GET → iq-get |
7ab0c423688a
mod_rest: Support GET for certain IQ queries
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4477
diff
changeset
|
260 local function parse_request(request, path) |
7ab0c423688a
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Kim Alvefur <zash@zash.se>
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4477
diff
changeset
|
261 if path and request.method == "GET" then |
4506
508cb880b163
mod_rest: Fix typos [codespell]
Kim Alvefur <zash@zash.se>
parents:
4503
diff
changeset
|
262 -- e.g. /version/{to} |
4503
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mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents:
4502
diff
changeset
|
263 if request.url.query then |
80912726405d
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Kim Alvefur <zash@zash.se>
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4502
diff
changeset
|
264 return parse("application/x-www-form-urlencoded", request.url.query, "iq/"..path); |
80912726405d
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Kim Alvefur <zash@zash.se>
parents:
4502
diff
changeset
|
265 end |
4478
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parents:
4477
diff
changeset
|
266 return parse(nil, nil, "iq/"..path); |
7ab0c423688a
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Kim Alvefur <zash@zash.se>
parents:
4477
diff
changeset
|
267 else |
7ab0c423688a
mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
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4477
diff
changeset
|
268 return parse(request.headers.content_type, request.body, path); |
7ab0c423688a
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4477
diff
changeset
|
269 end |
7ab0c423688a
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diff
changeset
|
270 end |
7ab0c423688a
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parents:
4477
diff
changeset
|
271 |
7ab0c423688a
mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents:
4477
diff
changeset
|
272 local function handle_request(event, path) |
3794
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
273 local request, response = event.request, event.response; |
3910
49efd1323a1b
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Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
274 local from; |
49efd1323a1b
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Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
275 local origin; |
4514
81d0748bff5b
mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents:
4506
diff
changeset
|
276 local echo = path == "echo"; |
81d0748bff5b
mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents:
4506
diff
changeset
|
277 if echo then path = nil; end |
3910
49efd1323a1b
mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
278 |
4734
e58ec4b3cf90
mod_rest: Add an anonymous mode
Kim Alvefur <zash@zash.se>
parents:
4727
diff
changeset
|
279 if not request.headers.authorization and www_authenticate_header then |
3910
49efd1323a1b
mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
280 response.headers.www_authenticate = www_authenticate_header; |
4244
07c11080027e
mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents:
4242
diff
changeset
|
281 return post_errors.new("noauthz"); |
3876
75b330d4fa6f
mod_rest: Add support for HTTP Basic username and password authentication
Kim Alvefur <zash@zash.se>
parents:
3874
diff
changeset
|
282 else |
3910
49efd1323a1b
mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
283 origin = check_credentials(request); |
49efd1323a1b
mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
284 if not origin then |
4244
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285 return post_errors.new("unauthz"); |
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286 end |
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287 from = jid.join(origin.username, origin.host, origin.resource); |
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288 origin.type = "c2s"; |
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289 end |
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290 local payload, err = parse_request(request, path); |
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291 if not payload then |
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292 -- parse fail |
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293 local ctx = { error = err, type = request.headers.content_type, data = request.body, }; |
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294 if err == "unknown-payload-type" then |
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295 return post_errors.new("mediatype", ctx); |
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296 end |
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297 return post_errors.new("parse", ctx); |
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298 end |
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299 |
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300 if payload.attr.xmlns then |
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301 return post_errors.new("xmlns"); |
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302 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then |
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303 return post_errors.new("name"); |
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304 end |
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305 |
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306 local to = jid.prep(payload.attr.to); |
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307 if payload.attr.to and not to then |
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308 return post_errors.new("to"); |
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309 end |
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310 |
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311 if payload.attr.from then |
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312 local requested_from = jid.prep(payload.attr.from); |
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313 if not requested_from then |
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314 return post_errors.new("from"); |
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315 end |
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316 if jid.compare(requested_from, from) then |
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317 from = requested_from; |
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318 else |
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319 return post_errors.new("from_auth"); |
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320 end |
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321 end |
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322 |
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323 payload.attr = { |
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324 from = from, |
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325 to = to, |
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326 id = payload.attr.id or id.medium(), |
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327 type = payload.attr.type, |
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328 ["xml:lang"] = payload.attr["xml:lang"], |
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329 }; |
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330 |
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331 module:log("debug", "Received[rest]: %s", payload:top_tag()); |
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332 local send_type = decide_type((request.headers.accept or "") ..",".. (request.headers.content_type or ""), supported_outputs) |
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333 |
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334 if echo then |
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335 response.headers.content_type = send_type; |
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336 return encode(send_type, payload); |
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337 end |
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338 |
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339 if payload.name == "iq" then |
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340 local responses = st.stanza("xmpp"); |
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341 function origin.send(stanza) |
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342 responses:add_direct_child(stanza); |
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343 end |
4735 | 344 if compat_preevents(origin, payload) then return 202; end |
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345 |
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346 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then |
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347 return post_errors.new("iq_type"); |
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348 elseif #payload.tags ~= 1 then |
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349 return post_errors.new("iq_tags"); |
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350 end |
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351 |
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352 return module:send_iq(payload, origin):next( |
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353 function (result) |
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354 module:log("debug", "Sending[rest]: %s", result.stanza:top_tag()); |
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355 response.headers.content_type = send_type; |
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356 if responses[2] then |
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357 return encode(send_type, responses); |
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358 end |
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359 return encode(send_type, result.stanza); |
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360 end, |
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361 function (error) |
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362 if not errors.is_err(error) then |
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363 module:log("error", "Uncaught native error: %s", error); |
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364 return select(2, errors.coerce(nil, error)); |
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365 elseif error.context and error.context.stanza then |
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366 response.headers.content_type = send_type; |
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367 module:log("debug", "Sending[rest]: %s", error.context.stanza:top_tag()); |
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368 return encode(send_type, error.context.stanza); |
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369 else |
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370 return error; |
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371 end |
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372 end); |
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373 else |
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374 function origin.send(stanza) |
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375 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
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376 response.headers.content_type = send_type; |
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377 response:send(encode(send_type, stanza)); |
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378 return true; |
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379 end |
4735 | 380 if compat_preevents(origin, payload) then return 202; end |
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381 |
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382 module:send(payload, origin); |
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383 return 202; |
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384 end |
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385 end |
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386 |
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387 local demo_handlers = {}; |
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388 if module:get_option_path("rest_demo_resources", nil) then |
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389 demo_handlers = module:require"apidemo"; |
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390 end |
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391 |
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392 -- Handle stanzas submitted via HTTP |
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393 module:depends("http"); |
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394 module:provides("http", { |
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395 route = { |
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396 POST = handle_request; |
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397 ["POST /*"] = handle_request; |
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398 ["GET /*"] = handle_request; |
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399 |
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400 -- Only if api_demo_resources are set |
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401 ["GET /"] = demo_handlers.redirect; |
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|
402 ["GET /demo/"] = demo_handlers.main_page; |
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Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
403 ["GET /demo/openapi.yaml"] = demo_handlers.schema; |
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
404 ["GET /demo/*"] = demo_handlers.resources; |
3794
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
405 }; |
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
406 }); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
407 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
408 -- Forward stanzas from XMPP to HTTP and return any reply |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
409 local rest_url = module:get_option_string("rest_callback_url", nil); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
410 if rest_url then |
3811
eb25110696cd
mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents:
3810
diff
changeset
|
411 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml"); |
3813 | 412 if send_type == "json" then |
413 send_type = "application/json"; | |
414 end | |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
415 |
3862
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
416 module:set_status("info", "Not yet connected"); |
3861
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
417 http.request(rest_url, { |
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
418 method = "OPTIONS", |
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
419 }, function (body, code, response) |
3862
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
420 if code == 0 then |
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
421 return module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
422 else |
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
423 module:set_status("info", "Connected"); |
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
424 end |
3861
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
425 if code == 200 and response.headers.accept then |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
426 send_type = decide_type(response.headers.accept, supported_outputs); |
3861
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
427 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type); |
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
428 end |
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
429 end); |
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
430 |
4245
7bf3bf81c9ef
mod_rest: Use HTTP error mapping from net.http.errors
Kim Alvefur <zash@zash.se>
parents:
4244
diff
changeset
|
431 local code2err = require "net.http.errors".registry; |
3797
ed5d7586a61e
mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents:
3796
diff
changeset
|
432 |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
433 local function handle_stanza(event) |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
434 local stanza, origin = event.stanza, event.origin; |
4250
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
435 local reply_allowed = stanza.attr.type ~= "error"; |
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
436 local reply_needed = reply_allowed and stanza.name == "iq"; |
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
437 local receipt; |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
438 |
4250
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
439 if reply_allowed and stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then |
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
440 reply_needed = true; |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
441 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id }); |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
442 end |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
443 |
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
444 local request_body = encode(send_type, stanza); |
3799
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
445 |
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
446 -- Keep only the top level element and let the rest be GC'd |
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
447 stanza = st.clone(stanza, true); |
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
448 |
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
449 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
450 http.request(rest_url, { |
3799
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
451 body = request_body, |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
452 headers = { |
3811
eb25110696cd
mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents:
3810
diff
changeset
|
453 ["Content-Type"] = send_type, |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
454 ["Content-Language"] = stanza.attr["xml:lang"], |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
455 Accept = table.concat(supported_inputs, ", "); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
456 }, |
4247
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
457 }):next(function (response) |
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
458 module:set_status("info", "Connected"); |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
459 local reply; |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
460 |
4247
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
461 local code, body = response.code, response.body; |
4250
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
462 if not reply_allowed then |
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
463 return; |
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
464 elseif code == 202 or code == 204 then |
3867
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
465 if not reply_needed then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
466 -- Delivered, no reply |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
467 return; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
468 end |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
469 else |
3867
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
470 local parsed, err = parse(response.headers["content-type"], body); |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
471 if not parsed then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
472 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body); |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
473 elseif parsed.name ~= stanza.name then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
474 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name); |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
475 else |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
476 parsed.attr = { |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
477 from = stanza.attr.to, |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
478 to = stanza.attr.from, |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
479 id = parsed.attr.id or id.medium(); |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
480 type = parsed.attr.type, |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
481 ["xml:lang"] = parsed.attr["xml:lang"], |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
482 }; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
483 if parsed.name == "message" and parsed.attr.type == "groupchat" then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
484 parsed.attr.to = jid.bare(stanza.attr.from); |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
485 end |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
486 if not stanza.attr.type and parsed:get_child("error") then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
487 parsed.attr.type = "error"; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
488 end |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
489 if parsed.attr.type == "error" then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
490 parsed.attr.id = stanza.attr.id; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
491 elseif parsed.name == "iq" then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
492 parsed.attr.id = stanza.attr.id; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
493 parsed.attr.type = "result"; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
494 end |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
495 reply = parsed; |
3821
11272a3233ce
mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents:
3816
diff
changeset
|
496 end |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
497 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
498 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
499 if not reply then |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
500 local code_hundreds = code - (code % 100); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
501 if code_hundreds == 200 then |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
502 reply = st.reply(stanza); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
503 if stanza.name ~= "iq" then |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
504 reply.attr.id = id.medium(); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
505 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
506 -- TODO presence/status=body ? |
3797
ed5d7586a61e
mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents:
3796
diff
changeset
|
507 elseif code2err[code] then |
ed5d7586a61e
mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents:
3796
diff
changeset
|
508 reply = st.error_reply(stanza, errors.new(code, nil, code2err)); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
509 elseif code_hundreds == 400 then |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
510 reply = st.error_reply(stanza, "modify", "bad-request", body); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
511 elseif code_hundreds == 500 then |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
512 reply = st.error_reply(stanza, "cancel", "internal-server-error", body); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
513 else |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
514 reply = st.error_reply(stanza, "cancel", "undefined-condition", body); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
515 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
516 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
517 |
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
518 if receipt then |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
519 reply:add_direct_child(receipt); |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
520 end |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
521 |
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
522 module:log("debug", "Received[rest]: %s", reply:top_tag()); |
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
523 |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
524 origin.send(reply); |
4247
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
525 end, |
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
526 function (err) |
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
527 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, err); |
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
528 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", err.text)); |
4249
64aa1d9d70ac
mod_rest: Catch and log errors in callback promise chain
Kim Alvefur <zash@zash.se>
parents:
4247
diff
changeset
|
529 end):catch(function (err) |
64aa1d9d70ac
mod_rest: Catch and log errors in callback promise chain
Kim Alvefur <zash@zash.se>
parents:
4247
diff
changeset
|
530 module:log("error", "Error[rest]: %s", err); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
531 end); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
532 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
533 return true; |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
534 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
535 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
536 if module:get_host_type() == "component" then |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
537 module:hook("iq/bare", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
538 module:hook("message/bare", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
539 module:hook("presence/bare", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
540 module:hook("iq/full", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
541 module:hook("message/full", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
542 module:hook("presence/full", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
543 module:hook("iq/host", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
544 module:hook("message/host", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
545 module:hook("presence/host", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
546 else |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
547 -- Don't override everything on normal VirtualHosts |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
548 module:hook("iq/host", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
549 module:hook("message/host", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
550 module:hook("presence/host", handle_stanza, -1); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
551 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
552 end |
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
553 |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
554 local supported_errors = { |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
555 "text/html", |
3931
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
556 "application/xmpp+xml", |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
557 "application/json", |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
558 }; |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
559 |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
560 local http_server = require "net.http.server"; |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
561 module:hook_object_event(http_server, "http-error", function (event) |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
562 local request, response = event.request, event.response; |
3931
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
563 local response_as = decide_type(request and request.headers.accept or "", supported_errors); |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
564 if response_as == "application/xmpp+xml" then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
565 if response then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
566 response.headers.content_type = "application/xmpp+xml"; |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
567 end |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
568 local stream_error = st.stanza("error", { xmlns = "http://etherx.jabber.org/streams" }); |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
569 if event.error then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
570 stream_error:tag(event.error.condition, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }):up(); |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
571 if event.error.text then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
572 stream_error:text_tag("text", event.error.text, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }); |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
573 end |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
574 end |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
575 return tostring(stream_error); |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
576 elseif response_as == "application/json" then |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
577 if response then |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
578 response.headers.content_type = "application/json"; |
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
579 end |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
580 return json.encode({ |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
581 type = "error", |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
582 error = event.error, |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
583 code = event.code, |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
584 }); |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
585 end |
3933
93147b89ea67
mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500)
Kim Alvefur <zash@zash.se>
parents:
3931
diff
changeset
|
586 end, 1); |