Mercurial > prosody-modules
annotate mod_rest/mod_rest.lua @ 4037:991090cb5d18
mod_rest: Add support for CBOR
https://www.zash.se/lua-cbor.html
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Fri, 29 May 2020 12:38:23 +0200 |
| parents | 04c11b652aeb |
| children | 07ae583bc565 |
| 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 -- Bearer token |
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35 local function check_credentials(request) |
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36 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$"); |
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37 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then |
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38 return false; |
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39 end |
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40 |
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41 if auth_type == "Basic" then |
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42 local creds = base64.decode(auth_data); |
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43 if not creds then return false; end |
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44 local username, password = string.match(creds, "^([^:]+):(.*)$"); |
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45 if not username then return false; end |
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46 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password); |
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47 if not username then return false; end |
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48 if not um.test_password(username, module.host, password) then |
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49 return false; |
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50 end |
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51 return { username = username, host = module.host }; |
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52 elseif auth_type == "Bearer" then |
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53 local token_info = tokens.get_token_info(auth_data); |
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54 if not token_info or not token_info.session then |
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55 return false; |
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56 end |
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57 return token_info.session; |
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58 end |
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59 return nil; |
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60 end |
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61 |
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62 local function parse(mimetype, data) |
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63 mimetype = mimetype and mimetype:match("^[^; ]*"); |
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64 if mimetype == "application/xmpp+xml" then |
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65 return xml.parse(data); |
| 3813 | 66 elseif mimetype == "application/json" then |
| 67 local parsed, err = json.decode(data); | |
| 68 if not parsed then | |
| 69 return parsed, err; | |
| 70 end | |
| 71 return jsonmap.json2st(parsed); | |
| 4037 | 72 elseif mimetype == "application/cbor" and have_cbor then |
| 73 local parsed, err = cbor.decode(data); | |
| 74 if not parsed then | |
| 75 return parsed, err; | |
| 76 end | |
| 77 return jsonmap.json2st(parsed); | |
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78 elseif mimetype == "application/x-www-form-urlencoded"then |
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79 local parsed = http.formdecode(data); |
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80 if type(parsed) == "string" then |
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81 return parse("text/plain", parsed); |
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82 end |
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83 for i = #parsed, 1, -1 do |
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84 parsed[i] = nil; |
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85 end |
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86 return jsonmap.json2st(parsed); |
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87 elseif mimetype == "text/plain" then |
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88 return st.message({ type = "chat" }, data); |
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89 end |
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90 return nil, "unknown-payload-type"; |
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91 end |
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92 |
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93 local function decide_type(accept, supported_types) |
| 3813 | 94 -- assumes the accept header is sorted |
| 95 local ret = supported_types[1]; | |
| 96 for i = 2, #supported_types do | |
| 97 if (accept:find(supported_types[i], 1, true) or 1000) < (accept:find(ret, 1, true) or 1000) then | |
| 98 ret = supported_types[i]; | |
| 99 end | |
| 100 end | |
| 101 return ret; | |
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102 end |
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103 |
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104 local supported_inputs = { |
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105 "application/xmpp+xml", |
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106 "application/json", |
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107 "application/x-www-form-urlencoded", |
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108 "text/plain", |
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109 }; |
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110 |
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111 local supported_outputs = { |
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112 "application/xmpp+xml", |
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113 "application/json", |
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114 }; |
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115 |
| 4037 | 116 if have_cbor then |
| 117 table.insert(supported_inputs, "application/cbor"); | |
| 118 table.insert(supported_outputs, "application/cbor"); | |
| 119 end | |
| 120 | |
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121 local function encode(type, s) |
| 3813 | 122 if type == "application/json" then |
| 123 return json.encode(jsonmap.st2json(s)); | |
| 4037 | 124 elseif type == "application/cbor" then |
| 125 return cbor.encode(jsonmap.st2json(s)); | |
| 3813 | 126 elseif type == "text/plain" then |
| 127 return s:get_child_text("body") or ""; | |
| 128 end | |
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129 return tostring(s); |
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130 end |
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131 |
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132 local post_errors = { |
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133 noauthz = { code = 401, type = "auth", condition = "not-authorized", text = "No credentials provided" }, |
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134 unauthz = { code = 403, type = "auth", condition = "not-authorized", text = "Credentials not accepted" }, |
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135 parse = { code = 400, condition = "not-well-formed", text = "Failed to parse payload", }, |
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136 xmlns = { code = 422, condition = "invalid-namespace", text = "'xmlns' attribute must be empty", }, |
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137 name = { code = 422, condition = "unsupported-stanza-type", text = "Invalid stanza, must be 'message', 'presence' or 'iq'.", }, |
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138 to = { code = 422, condition = "improper-addressing", text = "Invalid destination JID", }, |
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139 from = { code = 422, condition = "invalid-from", text = "Invalid source JID", }, |
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140 post_auth = { code = 403, condition = "not-authorized", text = "Not authorized to send stanza with requested 'from'", }, |
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141 iq_type = { code = 422, condition = "invalid-xml", text = "'iq' stanza must be of type 'get' or 'set'", }, |
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142 iq_tags = { code = 422, condition = "bad-format", text = "'iq' stanza must have exactly one child tag", }, |
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143 mediatype = { code = 415, condition = "bad-format", text = "Unsupported media type" }, |
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144 }; |
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145 |
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146 local function handle_post(event) |
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147 local request, response = event.request, event.response; |
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148 local from; |
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149 local origin; |
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150 |
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151 if not request.headers.authorization then |
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152 response.headers.www_authenticate = www_authenticate_header; |
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153 return errors.new("noauthz", nil, post_errors); |
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154 else |
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155 origin = check_credentials(request); |
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156 if not origin then |
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157 return errors.new("unauthz", nil, post_errors); |
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158 end |
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159 from = jid.join(origin.username, origin.host, origin.resource); |
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160 end |
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161 local payload, err = parse(request.headers.content_type, request.body); |
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162 if not payload then |
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163 -- parse fail |
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164 local ctx = { error = err, type = request.headers.content_type, data = request.body, }; |
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165 if err == "unknown-payload-type" then |
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166 return errors.new("mediatype", ctx, post_errors); |
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167 end |
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168 return errors.new("parse", ctx, post_errors); |
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169 end |
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170 if payload.attr.xmlns then |
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171 return errors.new("xmlns", nil, post_errors); |
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172 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then |
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173 return errors.new("name", nil, post_errors); |
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174 end |
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175 local to = jid.prep(payload.attr.to); |
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176 if not to then |
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177 return errors.new("to", nil, post_errors); |
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178 end |
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179 if payload.attr.from then |
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180 local requested_from = jid.prep(payload.attr.from); |
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181 if not requested_from then |
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182 return errors.new("from", nil, post_errors); |
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183 end |
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184 if jid.compare(requested_from, from) then |
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185 from = requested_from; |
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186 else |
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187 return errors.new("from_auth", nil, post_errors); |
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188 end |
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189 end |
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190 payload.attr = { |
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191 from = from, |
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192 to = to, |
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193 id = payload.attr.id or id.medium(), |
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194 type = payload.attr.type, |
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195 ["xml:lang"] = payload.attr["xml:lang"], |
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196 }; |
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197 module:log("debug", "Received[rest]: %s", payload:top_tag()); |
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198 local send_type = decide_type((request.headers.accept or "") ..",".. request.headers.content_type, supported_outputs) |
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199 if payload.name == "iq" then |
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200 function origin.send(stanza) |
|
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201 module:send(stanza); |
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202 end |
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203 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then |
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204 return errors.new("iq_type", nil, post_errors); |
|
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205 elseif #payload.tags ~= 1 then |
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206 return errors.new("iq_tags", nil, post_errors); |
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207 end |
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208 return module:send_iq(payload, origin):next( |
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209 function (result) |
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210 module:log("debug", "Sending[rest]: %s", result.stanza:top_tag()); |
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211 response.headers.content_type = send_type; |
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212 return encode(send_type, result.stanza); |
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213 end, |
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214 function (error) |
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215 if not errors.is_err(error) then |
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216 module:log("error", "Uncaught native error: %s", error); |
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217 return select(2, errors.coerce(nil, error)); |
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218 elseif error.context and error.context.stanza then |
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219 response.headers.content_type = send_type; |
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220 module:log("debug", "Sending[rest]: %s", error.context.stanza:top_tag()); |
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221 return encode(send_type, error.context.stanza); |
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222 else |
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223 return error; |
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224 end |
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225 end); |
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226 else |
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227 function origin.send(stanza) |
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228 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
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229 response.headers.content_type = send_type; |
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230 response:send(encode(send_type, stanza)); |
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231 return true; |
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232 end |
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233 module:send(payload, origin); |
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234 return 202; |
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235 end |
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236 end |
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237 |
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238 -- Handle stanzas submitted via HTTP |
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239 module:depends("http"); |
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240 module:provides("http", { |
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241 route = { |
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242 POST = handle_post; |
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243 }; |
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244 }); |
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245 |
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246 -- Forward stanzas from XMPP to HTTP and return any reply |
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|
247 local rest_url = module:get_option_string("rest_callback_url", nil); |
|
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248 if rest_url then |
|
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249 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml"); |
| 3813 | 250 if send_type == "json" then |
| 251 send_type = "application/json"; | |
| 252 end | |
|
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|
253 |
|
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|
254 module:set_status("info", "Not yet connected"); |
|
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|
255 http.request(rest_url, { |
|
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|
256 method = "OPTIONS", |
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|
257 }, function (body, code, response) |
|
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258 if code == 0 then |
|
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|
259 return module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
|
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|
260 else |
|
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|
261 module:set_status("info", "Connected"); |
|
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262 end |
|
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|
263 if code == 200 and response.headers.accept then |
|
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|
264 send_type = decide_type(response.headers.accept, supported_outputs); |
|
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|
265 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type); |
|
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|
266 end |
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267 end); |
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268 |
|
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|
269 local code2err = { |
|
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|
270 [400] = { condition = "bad-request"; type = "modify" }; |
|
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|
271 [401] = { condition = "not-authorized"; type = "auth" }; |
|
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changeset
|
272 [402] = { condition = "not-authorized"; type = "auth" }; |
|
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changeset
|
273 [403] = { condition = "forbidden"; type = "auth" }; |
|
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|
274 [404] = { condition = "item-not-found"; type = "cancel" }; |
|
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|
275 [406] = { condition = "not-acceptable"; type = "modify" }; |
|
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|
276 [408] = { condition = "remote-server-timeout"; type = "wait" }; |
|
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|
277 [409] = { condition = "conflict"; type = "cancel" }; |
|
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|
278 [410] = { condition = "gone"; type = "cancel" }; |
|
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|
279 [411] = { condition = "bad-request"; type = "modify" }; |
|
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|
280 [412] = { condition = "bad-request"; type = "modify" }; |
|
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|
281 [413] = { condition = "resource-constraint"; type = "modify" }; |
|
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|
282 [414] = { condition = "resource-constraint"; type = "modify" }; |
|
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|
283 [415] = { condition = "bad-request"; type = "modify" }; |
|
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|
284 [429] = { condition = "resource-constraint"; type = "wait" }; |
|
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|
285 [431] = { condition = "resource-constraint"; type = "wait" }; |
|
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changeset
|
286 |
|
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diff
changeset
|
287 [500] = { condition = "internal-server-error"; type = "cancel" }; |
|
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|
288 [501] = { condition = "feature-not-implemented"; type = "modify" }; |
|
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|
289 [502] = { condition = "remote-server-timeout"; type = "wait" }; |
|
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|
290 [503] = { condition = "service-unavailable"; type = "cancel" }; |
|
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|
291 [504] = { condition = "remote-server-timeout"; type = "wait" }; |
|
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diff
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|
292 [507] = { condition = "resource-constraint"; type = "wait" }; |
|
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|
293 }; |
|
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|
294 |
|
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diff
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|
295 local function handle_stanza(event) |
|
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changeset
|
296 local stanza, origin = event.stanza, event.origin; |
|
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diff
changeset
|
297 local reply_needed = stanza.name == "iq"; |
|
3798
9b4fd2553365
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Kim Alvefur <zash@zash.se>
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diff
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|
298 local receipt; |
|
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diff
changeset
|
299 |
|
3824
a0b8ec44a36b
mod_rest: Stanzas of type error don't need a reply
Kim Alvefur <zash@zash.se>
parents:
3821
diff
changeset
|
300 if stanza.attr.type == "error" then |
|
a0b8ec44a36b
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Kim Alvefur <zash@zash.se>
parents:
3821
diff
changeset
|
301 reply_needed = false; |
|
a0b8ec44a36b
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Kim Alvefur <zash@zash.se>
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3821
diff
changeset
|
302 end |
|
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Kim Alvefur <zash@zash.se>
parents:
3821
diff
changeset
|
303 |
|
3798
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Kim Alvefur <zash@zash.se>
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3797
diff
changeset
|
304 if stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then |
|
9b4fd2553365
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Kim Alvefur <zash@zash.se>
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3797
diff
changeset
|
305 reply_needed = true; |
|
9b4fd2553365
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
306 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id }); |
|
9b4fd2553365
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3797
diff
changeset
|
307 end |
|
3795
f51308fcba83
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
308 |
|
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
309 local request_body = encode(send_type, stanza); |
|
3799
a1f1f703d604
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
310 |
|
a1f1f703d604
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3798
diff
changeset
|
311 -- Keep only the top level element and let the rest be GC'd |
|
a1f1f703d604
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Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
312 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
|
313 |
|
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
314 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
|
3795
f51308fcba83
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Kim Alvefur <zash@zash.se>
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3794
diff
changeset
|
315 http.request(rest_url, { |
|
3799
a1f1f703d604
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Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
316 body = request_body, |
|
3795
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parents:
3794
diff
changeset
|
317 headers = { |
|
3811
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parents:
3810
diff
changeset
|
318 ["Content-Type"] = send_type, |
|
3795
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3794
diff
changeset
|
319 ["Content-Language"] = stanza.attr["xml:lang"], |
|
3929
bd687d586a8a
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3926
diff
changeset
|
320 Accept = table.concat(supported_inputs, ", "); |
|
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3794
diff
changeset
|
321 }, |
|
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|
322 }, function (body, code, response) |
|
3862
3b6b8dcff78e
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Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
323 if code == 0 then |
|
3864
d845475c75f3
mod_rest: Process results even on internal errors with HTTP request
Kim Alvefur <zash@zash.se>
parents:
3862
diff
changeset
|
324 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
|
3866
c0df50ce96f0
mod_rest: Handle internal http request errors early and then return
Kim Alvefur <zash@zash.se>
parents:
3865
diff
changeset
|
325 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", body)); |
|
c0df50ce96f0
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
326 return; |
|
3862
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
327 else |
|
3b6b8dcff78e
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diff
changeset
|
328 module:set_status("info", "Connected"); |
|
3b6b8dcff78e
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diff
changeset
|
329 end |
|
3810
91ff86fc3b20
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Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
330 local reply; |
|
3795
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parents:
3794
diff
changeset
|
331 |
|
3867
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
332 if code == 202 or code == 204 then |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
333 if not reply_needed then |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
334 -- Delivered, no reply |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
335 return; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
336 end |
|
3810
91ff86fc3b20
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Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
337 else |
|
3867
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
338 local parsed, err = parse(response.headers["content-type"], body); |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
339 if not parsed then |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
340 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body); |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
341 elseif parsed.name ~= stanza.name then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
342 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name); |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
343 else |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
344 parsed.attr = { |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
345 from = stanza.attr.to, |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
346 to = stanza.attr.from, |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
347 id = parsed.attr.id or id.medium(); |
|
839224be5299
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3866
diff
changeset
|
348 type = parsed.attr.type, |
|
839224be5299
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3866
diff
changeset
|
349 ["xml:lang"] = parsed.attr["xml:lang"], |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
350 }; |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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3866
diff
changeset
|
351 if parsed.name == "message" and parsed.attr.type == "groupchat" then |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
352 parsed.attr.to = jid.bare(stanza.attr.from); |
|
839224be5299
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Kim Alvefur <zash@zash.se>
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3866
diff
changeset
|
353 end |
|
839224be5299
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3866
diff
changeset
|
354 if not stanza.attr.type and parsed:get_child("error") then |
|
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
355 parsed.attr.type = "error"; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
356 end |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
357 if parsed.attr.type == "error" then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
358 parsed.attr.id = stanza.attr.id; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
359 elseif parsed.name == "iq" then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
360 parsed.attr.id = stanza.attr.id; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
361 parsed.attr.type = "result"; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
362 end |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
363 reply = parsed; |
|
3821
11272a3233ce
mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents:
3816
diff
changeset
|
364 end |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
365 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
366 |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
367 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
|
368 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
|
369 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
|
370 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
|
371 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
|
372 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
|
373 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
374 -- 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
|
375 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
|
376 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
|
377 elseif code_hundreds == 400 then |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
378 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
|
379 elseif code_hundreds == 500 then |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
380 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
|
381 else |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
382 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
|
383 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
384 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
385 |
|
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
386 if receipt then |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
387 reply:add_direct_child(receipt); |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
388 end |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
389 |
|
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
390 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
|
391 |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
392 origin.send(reply); |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
393 end); |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
394 |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
395 return true; |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
396 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
397 |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
398 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
|
399 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
|
400 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
|
401 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
|
402 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
|
403 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
|
404 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
|
405 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
|
406 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
|
407 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
|
408 else |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
409 -- 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
|
410 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
|
411 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
|
412 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
|
413 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
414 end |
|
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
415 |
|
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
416 local supported_errors = { |
|
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
417 "text/html", |
|
3931
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
418 "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
|
419 "application/json", |
|
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
420 }; |
|
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
421 |
|
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
422 local http_server = require "net.http.server"; |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
423 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
|
424 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
|
425 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
|
426 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
|
427 if response then |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
428 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
|
429 end |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
430 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
|
431 if event.error then |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
432 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
|
433 if event.error.text then |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
434 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
|
435 end |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
436 end |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
437 return tostring(stream_error); |
|
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
438 elseif response_as == "application/json" then |
|
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
439 if response then |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
440 response.headers.content_type = "application/json"; |
|
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
441 end |
|
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
442 return json.encode({ |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
443 type = "error", |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
444 error = event.error, |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
445 code = event.code, |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
446 }); |
|
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
447 end |
|
3933
93147b89ea67
mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500)
Kim Alvefur <zash@zash.se>
parents:
3931
diff
changeset
|
448 end, 1); |