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mod_rest/mod_rest.lua @ 3930:d5dafd617cd6
mod_rest: Break out POST errors into a registry
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 07 Mar 2020 17:34:17 +0100 |
parent | 3929:bd687d586a8a |
child | 3931:2e8b284ac8b3 |
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"; |
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17 |
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18 local jsonmap = module:require"jsonmap"; |
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19 |
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20 local tokens = module:depends("tokenauth"); |
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21 |
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22 local auth_mechanisms = module:get_option_set("rest_auth_mechanisms", { "Basic", "Bearer" }); |
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23 |
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24 local www_authenticate_header; |
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25 do |
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26 local header, realm = {}, module.host.."/"..module.name; |
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27 for mech in auth_mechanisms do |
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28 header[#header+1] = ("%s realm=%q"):format(mech, realm); |
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29 end |
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30 www_authenticate_header = table.concat(header, ", "); |
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31 end |
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32 |
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33 -- Bearer token |
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34 local function check_credentials(request) |
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35 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$"); |
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36 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then |
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37 return false; |
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38 end |
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39 |
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40 if auth_type == "Basic" then |
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41 local creds = base64.decode(auth_data); |
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42 if not creds then return false; end |
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43 local username, password = string.match(creds, "^([^:]+):(.*)$"); |
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44 if not username then return false; end |
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45 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password); |
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46 if not username then return false; end |
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47 if not um.test_password(username, module.host, password) then |
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48 return false; |
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49 end |
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50 return { username = username, host = module.host }; |
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51 elseif auth_type == "Bearer" then |
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52 local token_info = tokens.get_token_info(auth_data); |
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53 if not token_info or not token_info.session then |
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54 return false; |
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55 end |
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56 return token_info.session; |
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57 end |
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58 return nil; |
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59 end |
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60 |
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61 local function parse(mimetype, data) |
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62 mimetype = mimetype and mimetype:match("^[^; ]*"); |
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63 if mimetype == "application/xmpp+xml" then |
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64 return xml.parse(data); |
3813 | 65 elseif mimetype == "application/json" then |
66 local parsed, err = json.decode(data); | |
67 if not parsed then | |
68 return parsed, err; | |
69 end | |
70 return jsonmap.json2st(parsed); | |
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71 elseif mimetype == "application/x-www-form-urlencoded"then |
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72 local parsed = http.formdecode(data); |
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73 if type(parsed) == "string" then |
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74 return parse("text/plain", parsed); |
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75 end |
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76 for i = #parsed, 1, -1 do |
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77 parsed[i] = nil; |
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78 end |
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79 return jsonmap.json2st(parsed); |
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80 elseif mimetype == "text/plain" then |
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81 return st.message({ type = "chat" }, data); |
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82 end |
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83 return nil, "unknown-payload-type"; |
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84 end |
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85 |
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86 local function decide_type(accept, supported_types) |
3813 | 87 -- assumes the accept header is sorted |
88 local ret = supported_types[1]; | |
89 for i = 2, #supported_types do | |
90 if (accept:find(supported_types[i], 1, true) or 1000) < (accept:find(ret, 1, true) or 1000) then | |
91 ret = supported_types[i]; | |
92 end | |
93 end | |
94 return ret; | |
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95 end |
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96 |
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97 local supported_inputs = { |
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98 "application/xmpp+xml", |
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99 "application/json", |
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100 "application/x-www-form-urlencoded", |
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101 "text/plain", |
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102 }; |
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103 |
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104 local supported_outputs = { |
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105 "application/xmpp+xml", |
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106 "application/json", |
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107 }; |
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108 |
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109 local function encode(type, s) |
3813 | 110 if type == "application/json" then |
111 return json.encode(jsonmap.st2json(s)); | |
112 elseif type == "text/plain" then | |
113 return s:get_child_text("body") or ""; | |
114 end | |
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115 return tostring(s); |
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116 end |
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117 |
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118 local post_errors = { |
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119 parse = { code = 400, condition = "not-well-formed", text = "Failed to parse payload", }, |
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120 xmlns = { code = 422, condition = "invalid-namespace", text = "'xmlns' attribute must be empty", }, |
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121 name = { code = 422, condition = "unsupported-stanza-type", text = "Invalid stanza, must be 'message', 'presence' or 'iq'.", }, |
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122 to = { code = 422, condition = "improper-addressing", text = "Invalid destination JID", }, |
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123 from = { code = 422, condition = "invalid-from", text = "Invalid source JID", }, |
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124 post_auth = { code = 403, condition = "not-authorized", text = "Not authorized to send stanza with requested 'from'", }, |
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125 iq_type = { code = 422, condition = "invalid-xml", text = "'iq' stanza must be of type 'get' or 'set'", }, |
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126 iq_tags = { code = 422, condition = "bad-format", text = "'iq' stanza must have exactly one child tag", }, |
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127 }; |
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128 |
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129 local function handle_post(event) |
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130 local request, response = event.request, event.response; |
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131 local from; |
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132 local origin; |
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133 |
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134 if not request.headers.authorization then |
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135 response.headers.www_authenticate = www_authenticate_header; |
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136 return 401; |
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137 else |
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138 origin = check_credentials(request); |
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139 if not origin then |
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140 return 401; |
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141 end |
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142 from = jid.join(origin.username, origin.host, origin.resource); |
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143 end |
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144 local payload, err = parse(request.headers.content_type, request.body); |
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145 if not payload then |
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146 -- parse fail |
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147 return errors.new("parse", { error = err, type = request.headers.content_type, data = request.body, }, post_errors); |
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148 end |
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149 if payload.attr.xmlns then |
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150 return errors.new("xmlns", nil, post_errors); |
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151 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then |
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152 return errors.new("name", nil, post_errors); |
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153 end |
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154 local to = jid.prep(payload.attr.to); |
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155 if not to then |
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156 return errors.new("to", nil, post_errors); |
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157 end |
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158 if payload.attr.from then |
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159 local requested_from = jid.prep(payload.attr.from); |
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160 if not requested_from then |
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161 return errors.new("from", nil, post_errors); |
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162 end |
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163 if jid.compare(requested_from, from) then |
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164 from = requested_from; |
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165 else |
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166 return errors.new("from_auth", nil, post_errors); |
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167 end |
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168 end |
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169 payload.attr = { |
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170 from = from, |
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171 to = to, |
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172 id = payload.attr.id or id.medium(), |
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173 type = payload.attr.type, |
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174 ["xml:lang"] = payload.attr["xml:lang"], |
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175 }; |
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176 module:log("debug", "Received[rest]: %s", payload:top_tag()); |
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177 local send_type = decide_type((request.headers.accept or "") ..",".. request.headers.content_type, supported_outputs) |
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178 if payload.name == "iq" then |
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179 function origin.send(stanza) |
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180 module:send(stanza); |
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181 end |
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182 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then |
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183 return errors.new("iq_type", nil, post_errors); |
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|
184 elseif #payload.tags ~= 1 then |
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185 return errors.new("iq_tags", nil, post_errors); |
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186 end |
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187 return module:send_iq(payload, origin):next( |
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188 function (result) |
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189 module:log("debug", "Sending[rest]: %s", result.stanza:top_tag()); |
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190 response.headers.content_type = send_type; |
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191 return encode(send_type, result.stanza); |
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192 end, |
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|
193 function (error) |
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194 if not errors.is_err(error) then |
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195 module:log("error", "Uncaught native error: %s", error); |
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196 return select(2, errors.coerce(nil, error)); |
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197 elseif error.context and error.context.stanza then |
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198 response.headers.content_type = send_type; |
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|
199 module:log("debug", "Sending[rest]: %s", error.context.stanza:top_tag()); |
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|
200 return encode(send_type, error.context.stanza); |
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201 else |
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|
202 return error; |
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203 end |
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|
204 end); |
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|
205 else |
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|
206 function origin.send(stanza) |
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|
207 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
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208 response.headers.content_type = send_type; |
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209 response:send(encode(send_type, stanza)); |
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210 return true; |
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211 end |
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parents:
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diff
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|
212 module:send(payload, origin); |
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parents:
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|
213 return 202; |
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214 end |
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215 end |
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216 |
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217 -- Handle stanzas submitted via HTTP |
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218 module:depends("http"); |
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219 module:provides("http", { |
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220 route = { |
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221 POST = handle_post; |
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222 }; |
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223 }); |
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224 |
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225 -- Forward stanzas from XMPP to HTTP and return any reply |
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226 local rest_url = module:get_option_string("rest_callback_url", nil); |
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227 if rest_url then |
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228 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml"); |
3813 | 229 if send_type == "json" then |
230 send_type = "application/json"; | |
231 end | |
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232 |
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233 module:set_status("info", "Not yet connected"); |
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234 http.request(rest_url, { |
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235 method = "OPTIONS", |
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|
236 }, function (body, code, response) |
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|
237 if code == 0 then |
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238 return module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
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|
239 else |
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240 module:set_status("info", "Connected"); |
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241 end |
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242 if code == 200 and response.headers.accept then |
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|
243 send_type = decide_type(response.headers.accept, supported_outputs); |
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244 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type); |
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245 end |
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246 end); |
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247 |
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|
248 local code2err = { |
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249 [400] = { condition = "bad-request"; type = "modify" }; |
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|
250 [401] = { condition = "not-authorized"; type = "auth" }; |
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|
251 [402] = { condition = "not-authorized"; type = "auth" }; |
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|
252 [403] = { condition = "forbidden"; type = "auth" }; |
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|
253 [404] = { condition = "item-not-found"; type = "cancel" }; |
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diff
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|
254 [406] = { condition = "not-acceptable"; type = "modify" }; |
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|
255 [408] = { condition = "remote-server-timeout"; type = "wait" }; |
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|
256 [409] = { condition = "conflict"; type = "cancel" }; |
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diff
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|
257 [410] = { condition = "gone"; type = "cancel" }; |
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|
258 [411] = { condition = "bad-request"; type = "modify" }; |
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|
259 [412] = { condition = "bad-request"; type = "modify" }; |
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|
260 [413] = { condition = "resource-constraint"; type = "modify" }; |
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|
261 [414] = { condition = "resource-constraint"; type = "modify" }; |
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|
262 [415] = { condition = "bad-request"; type = "modify" }; |
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|
263 [429] = { condition = "resource-constraint"; type = "wait" }; |
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|
264 [431] = { condition = "resource-constraint"; type = "wait" }; |
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|
265 |
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|
266 [500] = { condition = "internal-server-error"; type = "cancel" }; |
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diff
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|
267 [501] = { condition = "feature-not-implemented"; type = "modify" }; |
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|
268 [502] = { condition = "remote-server-timeout"; type = "wait" }; |
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|
269 [503] = { condition = "service-unavailable"; type = "cancel" }; |
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|
270 [504] = { condition = "remote-server-timeout"; type = "wait" }; |
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|
271 [507] = { condition = "resource-constraint"; type = "wait" }; |
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|
272 }; |
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|
273 |
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diff
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|
274 local function handle_stanza(event) |
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|
275 local stanza, origin = event.stanza, event.origin; |
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|
276 local reply_needed = stanza.name == "iq"; |
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9b4fd2553365
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diff
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|
277 local receipt; |
9b4fd2553365
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changeset
|
278 |
3824
a0b8ec44a36b
mod_rest: Stanzas of type error don't need a reply
Kim Alvefur <zash@zash.se>
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3821
diff
changeset
|
279 if stanza.attr.type == "error" then |
a0b8ec44a36b
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|
280 reply_needed = false; |
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3821
diff
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|
281 end |
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diff
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|
282 |
3798
9b4fd2553365
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Kim Alvefur <zash@zash.se>
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3797
diff
changeset
|
283 if stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then |
9b4fd2553365
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3797
diff
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|
284 reply_needed = true; |
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diff
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|
285 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id }); |
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diff
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|
286 end |
3795
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|
287 |
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
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3811
diff
changeset
|
288 local request_body = encode(send_type, stanza); |
3799
a1f1f703d604
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diff
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|
289 |
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diff
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|
290 -- Keep only the top level element and let the rest be GC'd |
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diff
changeset
|
291 stanza = st.clone(stanza, true); |
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diff
changeset
|
292 |
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
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3802
diff
changeset
|
293 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
3795
f51308fcba83
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diff
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|
294 http.request(rest_url, { |
3799
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|
295 body = request_body, |
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3794
diff
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|
296 headers = { |
3811
eb25110696cd
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Kim Alvefur <zash@zash.se>
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3810
diff
changeset
|
297 ["Content-Type"] = send_type, |
3795
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diff
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|
298 ["Content-Language"] = stanza.attr["xml:lang"], |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
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3926
diff
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|
299 Accept = table.concat(supported_inputs, ", "); |
3795
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|
300 }, |
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|
301 }, function (body, code, response) |
3862
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
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3861
diff
changeset
|
302 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
|
303 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
3866
c0df50ce96f0
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Kim Alvefur <zash@zash.se>
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3865
diff
changeset
|
304 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", body)); |
c0df50ce96f0
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diff
changeset
|
305 return; |
3862
3b6b8dcff78e
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3861
diff
changeset
|
306 else |
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3861
diff
changeset
|
307 module:set_status("info", "Connected"); |
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3861
diff
changeset
|
308 end |
3810
91ff86fc3b20
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3807
diff
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|
309 local reply; |
3795
f51308fcba83
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diff
changeset
|
310 |
3867
839224be5299
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3866
diff
changeset
|
311 if code == 202 or code == 204 then |
839224be5299
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3866
diff
changeset
|
312 if not reply_needed then |
839224be5299
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diff
changeset
|
313 -- Delivered, no reply |
839224be5299
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Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
314 return; |
839224be5299
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3866
diff
changeset
|
315 end |
3810
91ff86fc3b20
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Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
316 else |
3867
839224be5299
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parents:
3866
diff
changeset
|
317 local parsed, err = parse(response.headers["content-type"], body); |
839224be5299
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Kim Alvefur <zash@zash.se>
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3866
diff
changeset
|
318 if not parsed then |
839224be5299
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3866
diff
changeset
|
319 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body); |
839224be5299
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diff
changeset
|
320 elseif parsed.name ~= stanza.name then |
839224be5299
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3866
diff
changeset
|
321 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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3866
diff
changeset
|
322 else |
839224be5299
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Kim Alvefur <zash@zash.se>
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3866
diff
changeset
|
323 parsed.attr = { |
839224be5299
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Kim Alvefur <zash@zash.se>
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3866
diff
changeset
|
324 from = stanza.attr.to, |
839224be5299
mod_rest: Skip attempting parse empty response
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diff
changeset
|
325 to = stanza.attr.from, |
839224be5299
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diff
changeset
|
326 id = parsed.attr.id or id.medium(); |
839224be5299
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diff
changeset
|
327 type = parsed.attr.type, |
839224be5299
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diff
changeset
|
328 ["xml:lang"] = parsed.attr["xml:lang"], |
839224be5299
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3866
diff
changeset
|
329 }; |
839224be5299
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diff
changeset
|
330 if parsed.name == "message" and parsed.attr.type == "groupchat" then |
839224be5299
mod_rest: Skip attempting parse empty response
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diff
changeset
|
331 parsed.attr.to = jid.bare(stanza.attr.from); |
839224be5299
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diff
changeset
|
332 end |
839224be5299
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diff
changeset
|
333 if not stanza.attr.type and parsed:get_child("error") then |
839224be5299
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diff
changeset
|
334 parsed.attr.type = "error"; |
839224be5299
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3866
diff
changeset
|
335 end |
839224be5299
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diff
changeset
|
336 if parsed.attr.type == "error" then |
839224be5299
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diff
changeset
|
337 parsed.attr.id = stanza.attr.id; |
839224be5299
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diff
changeset
|
338 elseif parsed.name == "iq" then |
839224be5299
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diff
changeset
|
339 parsed.attr.id = stanza.attr.id; |
839224be5299
mod_rest: Skip attempting parse empty response
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3866
diff
changeset
|
340 parsed.attr.type = "result"; |
839224be5299
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3866
diff
changeset
|
341 end |
839224be5299
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Kim Alvefur <zash@zash.se>
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3866
diff
changeset
|
342 reply = parsed; |
3821
11272a3233ce
mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents:
3816
diff
changeset
|
343 end |
3795
f51308fcba83
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3794
diff
changeset
|
344 end |
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3794
diff
changeset
|
345 |
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Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
346 if not reply then |
f51308fcba83
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3794
diff
changeset
|
347 local code_hundreds = code - (code % 100); |
f51308fcba83
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Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
348 if code_hundreds == 200 then |
f51308fcba83
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parents:
3794
diff
changeset
|
349 reply = st.reply(stanza); |
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3794
diff
changeset
|
350 if stanza.name ~= "iq" then |
f51308fcba83
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3794
diff
changeset
|
351 reply.attr.id = id.medium(); |
f51308fcba83
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3794
diff
changeset
|
352 end |
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3794
diff
changeset
|
353 -- TODO presence/status=body ? |
3797
ed5d7586a61e
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3796
diff
changeset
|
354 elseif code2err[code] then |
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3796
diff
changeset
|
355 reply = st.error_reply(stanza, errors.new(code, nil, code2err)); |
3795
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Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
356 elseif code_hundreds == 400 then |
3810
91ff86fc3b20
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Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
357 reply = st.error_reply(stanza, "modify", "bad-request", body); |
3795
f51308fcba83
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Kim Alvefur <zash@zash.se>
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3794
diff
changeset
|
358 elseif code_hundreds == 500 then |
3810
91ff86fc3b20
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Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
359 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
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changeset
|
360 else |
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
361 reply = st.error_reply(stanza, "cancel", "undefined-condition", body); |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
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parents:
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changeset
|
362 end |
f51308fcba83
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parents:
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|
363 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
364 |
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
365 if receipt then |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
366 reply:add_direct_child(receipt); |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
367 end |
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
368 |
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
369 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
|
370 |
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
371 origin.send(reply); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
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|
372 end); |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
373 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
374 return true; |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
375 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
376 |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
377 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
|
378 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
|
379 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
|
380 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
|
381 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
|
382 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
|
383 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
|
384 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
|
385 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
|
386 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
|
387 else |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
388 -- 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
|
389 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
|
390 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
|
391 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
|
392 end |
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
393 end |
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
394 |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
395 local supported_errors = { |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
396 "text/html", |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
397 "application/json", |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
398 }; |
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
399 |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
400 local http_server = require "net.http.server"; |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
401 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
|
402 local request, response = event.request, event.response; |
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
403 if decide_type(request and request.headers.accept or "", supported_errors) == "application/json" then |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
404 if response then |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
405 response.headers.content_type = "application/json"; |
3842
501c7edc8c37
mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents:
3832
diff
changeset
|
406 end |
3873
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
407 return json.encode({ |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
408 type = "error", |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
409 error = event.error, |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
410 code = event.code, |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
411 }); |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
412 end |
fea0c1bed1a0
mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents:
3872
diff
changeset
|
413 end, 10); |