Mercurial > prosody-modules
annotate mod_rest/mod_rest.lua @ 4097:96838617695a
mod_invites: Update documentation
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 11 Sep 2020 13:53:55 +0100 |
parents | 07ae583bc565 |
children | 6a91d217acc9 |
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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 "application/x-www-form-urlencoded", |
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115 }; |
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116 |
4037 | 117 if have_cbor then |
118 table.insert(supported_inputs, "application/cbor"); | |
119 table.insert(supported_outputs, "application/cbor"); | |
120 end | |
121 | |
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122 -- Only { string : string } can be form-encoded, discard the rest |
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123 -- (jsonmap also discards anything unknown or unsupported) |
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124 local function flatten(t) |
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125 local form = {}; |
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126 for k, v in pairs(t) do |
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127 if type(v) == "string" then |
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128 form[k] = v; |
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129 elseif type(v) == "number" then |
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130 form[k] = tostring(v); |
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131 elseif v == true then |
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132 form[k] = ""; |
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133 end |
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134 end |
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135 return form; |
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136 end |
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137 |
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138 local function encode(type, s) |
3813 | 139 if type == "application/json" then |
140 return json.encode(jsonmap.st2json(s)); | |
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|
141 elseif type == "application/x-www-form-urlencoded" then |
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|
142 return http.formencode(flatten(jsonmap.st2json(s))); |
4037 | 143 elseif type == "application/cbor" then |
144 return cbor.encode(jsonmap.st2json(s)); | |
3813 | 145 elseif type == "text/plain" then |
146 return s:get_child_text("body") or ""; | |
147 end | |
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148 return tostring(s); |
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149 end |
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150 |
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151 local post_errors = { |
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152 noauthz = { code = 401, type = "auth", condition = "not-authorized", text = "No credentials provided" }, |
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153 unauthz = { code = 403, type = "auth", condition = "not-authorized", text = "Credentials not accepted" }, |
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154 parse = { code = 400, condition = "not-well-formed", text = "Failed to parse payload", }, |
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155 xmlns = { code = 422, condition = "invalid-namespace", text = "'xmlns' attribute must be empty", }, |
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156 name = { code = 422, condition = "unsupported-stanza-type", text = "Invalid stanza, must be 'message', 'presence' or 'iq'.", }, |
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157 to = { code = 422, condition = "improper-addressing", text = "Invalid destination JID", }, |
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158 from = { code = 422, condition = "invalid-from", text = "Invalid source JID", }, |
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159 post_auth = { code = 403, condition = "not-authorized", text = "Not authorized to send stanza with requested 'from'", }, |
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160 iq_type = { code = 422, condition = "invalid-xml", text = "'iq' stanza must be of type 'get' or 'set'", }, |
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161 iq_tags = { code = 422, condition = "bad-format", text = "'iq' stanza must have exactly one child tag", }, |
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162 mediatype = { code = 415, condition = "bad-format", text = "Unsupported media type" }, |
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163 }; |
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164 |
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165 local function handle_post(event) |
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166 local request, response = event.request, event.response; |
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167 local from; |
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168 local origin; |
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169 |
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170 if not request.headers.authorization then |
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171 response.headers.www_authenticate = www_authenticate_header; |
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172 return errors.new("noauthz", nil, post_errors); |
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173 else |
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174 origin = check_credentials(request); |
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175 if not origin then |
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176 return errors.new("unauthz", nil, post_errors); |
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177 end |
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178 from = jid.join(origin.username, origin.host, origin.resource); |
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179 end |
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180 local payload, err = parse(request.headers.content_type, request.body); |
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181 if not payload then |
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182 -- parse fail |
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183 local ctx = { error = err, type = request.headers.content_type, data = request.body, }; |
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184 if err == "unknown-payload-type" then |
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185 return errors.new("mediatype", ctx, post_errors); |
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186 end |
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187 return errors.new("parse", ctx, post_errors); |
3794
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188 end |
3801
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189 if payload.attr.xmlns then |
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190 return errors.new("xmlns", nil, post_errors); |
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191 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then |
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192 return errors.new("name", nil, post_errors); |
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193 end |
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194 local to = jid.prep(payload.attr.to); |
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195 if not to then |
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196 return errors.new("to", nil, post_errors); |
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197 end |
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198 if payload.attr.from then |
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199 local requested_from = jid.prep(payload.attr.from); |
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200 if not requested_from then |
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201 return errors.new("from", nil, post_errors); |
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202 end |
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203 if jid.compare(requested_from, from) then |
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204 from = requested_from; |
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205 else |
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206 return errors.new("from_auth", nil, post_errors); |
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207 end |
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208 end |
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209 payload.attr = { |
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210 from = from, |
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211 to = to, |
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parents:
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|
212 id = payload.attr.id or id.medium(), |
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diff
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|
213 type = payload.attr.type, |
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parents:
diff
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214 ["xml:lang"] = payload.attr["xml:lang"], |
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215 }; |
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|
216 module:log("debug", "Received[rest]: %s", payload:top_tag()); |
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|
217 local send_type = decide_type((request.headers.accept or "") ..",".. request.headers.content_type, supported_outputs) |
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218 if payload.name == "iq" then |
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219 function origin.send(stanza) |
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|
220 module:send(stanza); |
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221 end |
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222 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then |
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223 return errors.new("iq_type", nil, post_errors); |
3832
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parents:
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|
224 elseif #payload.tags ~= 1 then |
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225 return errors.new("iq_tags", nil, post_errors); |
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226 end |
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227 return module:send_iq(payload, origin):next( |
3794
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228 function (result) |
3803
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|
229 module:log("debug", "Sending[rest]: %s", result.stanza:top_tag()); |
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230 response.headers.content_type = send_type; |
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231 return encode(send_type, result.stanza); |
3794
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232 end, |
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diff
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|
233 function (error) |
3909
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parents:
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diff
changeset
|
234 if not errors.is_err(error) then |
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parents:
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|
235 module:log("error", "Uncaught native error: %s", error); |
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236 return select(2, errors.coerce(nil, error)); |
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changeset
|
237 elseif error.context and error.context.stanza then |
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|
238 response.headers.content_type = send_type; |
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|
239 module:log("debug", "Sending[rest]: %s", error.context.stanza:top_tag()); |
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240 return encode(send_type, error.context.stanza); |
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241 else |
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242 return error; |
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243 end |
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244 end); |
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parents:
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245 else |
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246 function origin.send(stanza) |
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parents:
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247 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
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248 response.headers.content_type = send_type; |
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249 response:send(encode(send_type, stanza)); |
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250 return true; |
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251 end |
3814
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252 module:send(payload, origin); |
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253 return 202; |
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254 end |
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255 end |
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256 |
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257 -- Handle stanzas submitted via HTTP |
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258 module:depends("http"); |
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259 module:provides("http", { |
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260 route = { |
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261 POST = handle_post; |
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262 }; |
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263 }); |
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264 |
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265 -- Forward stanzas from XMPP to HTTP and return any reply |
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266 local rest_url = module:get_option_string("rest_callback_url", nil); |
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267 if rest_url then |
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268 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml"); |
3813 | 269 if send_type == "json" then |
270 send_type = "application/json"; | |
271 end | |
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272 |
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273 module:set_status("info", "Not yet connected"); |
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274 http.request(rest_url, { |
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275 method = "OPTIONS", |
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276 }, function (body, code, response) |
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277 if code == 0 then |
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278 return module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
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279 else |
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280 module:set_status("info", "Connected"); |
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281 end |
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282 if code == 200 and response.headers.accept then |
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283 send_type = decide_type(response.headers.accept, supported_outputs); |
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284 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type); |
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285 end |
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286 end); |
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287 |
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288 local code2err = { |
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289 [400] = { condition = "bad-request"; type = "modify" }; |
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290 [401] = { condition = "not-authorized"; type = "auth" }; |
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291 [402] = { condition = "not-authorized"; type = "auth" }; |
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292 [403] = { condition = "forbidden"; type = "auth" }; |
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293 [404] = { condition = "item-not-found"; type = "cancel" }; |
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294 [406] = { condition = "not-acceptable"; type = "modify" }; |
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295 [408] = { condition = "remote-server-timeout"; type = "wait" }; |
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296 [409] = { condition = "conflict"; type = "cancel" }; |
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297 [410] = { condition = "gone"; type = "cancel" }; |
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298 [411] = { condition = "bad-request"; type = "modify" }; |
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299 [412] = { condition = "bad-request"; type = "modify" }; |
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300 [413] = { condition = "resource-constraint"; type = "modify" }; |
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301 [414] = { condition = "resource-constraint"; type = "modify" }; |
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302 [415] = { condition = "bad-request"; type = "modify" }; |
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303 [429] = { condition = "resource-constraint"; type = "wait" }; |
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304 [431] = { condition = "resource-constraint"; type = "wait" }; |
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305 |
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306 [500] = { condition = "internal-server-error"; type = "cancel" }; |
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307 [501] = { condition = "feature-not-implemented"; type = "modify" }; |
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308 [502] = { condition = "remote-server-timeout"; type = "wait" }; |
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309 [503] = { condition = "service-unavailable"; type = "cancel" }; |
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310 [504] = { condition = "remote-server-timeout"; type = "wait" }; |
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311 [507] = { condition = "resource-constraint"; type = "wait" }; |
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312 }; |
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313 |
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314 local function handle_stanza(event) |
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315 local stanza, origin = event.stanza, event.origin; |
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316 local reply_needed = stanza.name == "iq"; |
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317 local receipt; |
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318 |
3824
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|
319 if stanza.attr.type == "error" then |
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320 reply_needed = false; |
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321 end |
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322 |
3798
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323 if stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then |
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324 reply_needed = true; |
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325 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id }); |
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326 end |
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327 |
3812
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|
328 local request_body = encode(send_type, stanza); |
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|
329 |
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|
330 -- Keep only the top level element and let the rest be GC'd |
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|
331 stanza = st.clone(stanza, true); |
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332 |
3803
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diff
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|
333 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
3795
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|
334 http.request(rest_url, { |
3799
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335 body = request_body, |
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336 headers = { |
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|
337 ["Content-Type"] = send_type, |
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|
338 ["Content-Language"] = stanza.attr["xml:lang"], |
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339 Accept = table.concat(supported_inputs, ", "); |
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340 }, |
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341 }, function (body, code, response) |
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|
342 if code == 0 then |
3864
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|
343 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
3866
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|
344 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", body)); |
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|
345 return; |
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|
346 else |
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|
347 module:set_status("info", "Connected"); |
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|
348 end |
3810
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|
349 local reply; |
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|
350 |
3867
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|
351 if code == 202 or code == 204 then |
839224be5299
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|
352 if not reply_needed then |
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changeset
|
353 -- Delivered, no reply |
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diff
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|
354 return; |
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|
355 end |
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3807
diff
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|
356 else |
3867
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|
357 local parsed, err = parse(response.headers["content-type"], body); |
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|
358 if not parsed then |
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|
359 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body); |
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|
360 elseif parsed.name ~= stanza.name then |
839224be5299
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diff
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|
361 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name); |
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|
362 else |
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|
363 parsed.attr = { |
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|
364 from = stanza.attr.to, |
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|
365 to = stanza.attr.from, |
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|
366 id = parsed.attr.id or id.medium(); |
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|
367 type = parsed.attr.type, |
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|
368 ["xml:lang"] = parsed.attr["xml:lang"], |
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|
369 }; |
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|
370 if parsed.name == "message" and parsed.attr.type == "groupchat" then |
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3866
diff
changeset
|
371 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
|
372 end |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
373 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
|
374 parsed.attr.type = "error"; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
375 end |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
376 if parsed.attr.type == "error" then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
377 parsed.attr.id = stanza.attr.id; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
378 elseif parsed.name == "iq" then |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
379 parsed.attr.id = stanza.attr.id; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
380 parsed.attr.type = "result"; |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
381 end |
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
382 reply = parsed; |
3821
11272a3233ce
mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents:
3816
diff
changeset
|
383 end |
3795
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 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
386 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
|
387 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
|
388 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
|
389 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
|
390 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
|
391 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
|
392 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
393 -- 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
|
394 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
|
395 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
|
396 elseif code_hundreds == 400 then |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
397 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
|
398 elseif code_hundreds == 500 then |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
399 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
|
400 else |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
401 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
|
402 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
403 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
404 |
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
405 if receipt then |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
406 reply:add_direct_child(receipt); |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
407 end |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
408 |
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
409 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
|
410 |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
411 origin.send(reply); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
412 end); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
413 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
414 return true; |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
415 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
416 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
417 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
|
418 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
|
419 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
|
420 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
|
421 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
|
422 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
|
423 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
|
424 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
|
425 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
|
426 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
|
427 else |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
428 -- 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
|
429 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
|
430 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
|
431 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
|
432 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
433 end |
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
434 |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
435 local supported_errors = { |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
436 "text/html", |
3931
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
437 "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
|
438 "application/json", |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
439 }; |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
440 |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
441 local http_server = require "net.http.server"; |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
442 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
|
443 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
|
444 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
|
445 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
|
446 if response then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
447 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
|
448 end |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
449 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
|
450 if event.error then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
451 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
|
452 if event.error.text then |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
453 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
|
454 end |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
455 end |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
456 return tostring(stream_error); |
2e8b284ac8b3
mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents:
3930
diff
changeset
|
457 elseif response_as == "application/json" then |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
458 if response then |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
459 response.headers.content_type = "application/json"; |
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
460 end |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
461 return json.encode({ |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
462 type = "error", |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
463 error = event.error, |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
464 code = event.code, |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
465 }); |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
466 end |
3933
93147b89ea67
mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500)
Kim Alvefur <zash@zash.se>
parents:
3931
diff
changeset
|
467 end, 1); |