Mercurial > prosody-modules
annotate mod_rest/mod_rest.lua @ 5879:bf5370a40a15
misc/systemd: Fix typo
Is this worth keeping? We also have a .service file in the debian repo?
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 06 Apr 2024 17:51:29 +0200 |
| parents | 0cffeff2cd1d |
| children | 32d1abb89dfe |
| rev | line source |
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1 -- RESTful API |
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2 -- |
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3 -- Copyright (c) 2019-2022 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 -- Lower than the default c2s size limit to account for possible JSON->XML size increase |
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24 local stanza_size_limit = module:get_option_number("rest_stanza_size_limit", 1024 * 192); |
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25 |
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26 local auth_mechanisms = module:get_option_set("rest_auth_mechanisms", { "Basic", "Bearer" }); |
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27 |
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28 local www_authenticate_header; |
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29 do |
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30 local header, realm = {}, module.host.."/"..module.name; |
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31 for mech in auth_mechanisms do |
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32 header[#header+1] = ("%s realm=%q"):format(mech, realm); |
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33 end |
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34 www_authenticate_header = table.concat(header, ", "); |
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35 end |
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36 |
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37 local function check_credentials(request) |
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38 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$"); |
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39 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then |
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40 return false; |
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41 end |
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42 |
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43 if auth_type == "Basic" then |
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44 local creds = base64.decode(auth_data); |
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45 if not creds then return false; end |
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46 local username, password = string.match(creds, "^([^:]+):(.*)$"); |
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47 if not username then return false; end |
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48 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password); |
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49 if not username then return false; end |
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50 if not um.test_password(username, module.host, password) then |
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51 return false; |
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52 end |
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53 return { username = username, host = module.host }; |
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54 elseif auth_type == "Bearer" then |
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55 if tokens.get_token_session then |
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56 return tokens.get_token_session(auth_data); |
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57 else -- COMPAT w/0.12 |
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58 local token_info = tokens.get_token_info(auth_data); |
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59 if not token_info or not token_info.session then |
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60 return false; |
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61 end |
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62 return token_info.session; |
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63 end |
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64 end |
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65 return nil; |
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66 end |
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67 |
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68 if module:get_option_string("authentication") == "anonymous" and module:get_option_boolean("anonymous_rest") then |
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69 www_authenticate_header = nil; |
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70 function check_credentials(request) -- luacheck: ignore 212/request |
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71 return { |
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72 username = id.medium():lower(); |
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73 host = module.host; |
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74 } |
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75 end |
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76 end |
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77 |
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78 local function event_suffix(jid_to) |
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79 local node, _, resource = jid.split(jid_to); |
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80 if node then |
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81 if resource then |
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82 return '/full'; |
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83 else |
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84 return '/bare'; |
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85 end |
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86 else |
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87 return '/host'; |
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88 end |
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89 end |
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90 |
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91 |
| 4735 | 92 -- TODO This ought to be handled some way other than duplicating this |
| 93 -- core.stanza_router code here. | |
| 94 local function compat_preevents(origin, stanza) --> boolean : handled | |
| 95 local to = stanza.attr.to; | |
| 96 local node, host, resource = jid.split(to); | |
| 97 | |
| 98 local to_type, to_self; | |
| 99 if node then | |
| 100 if resource then | |
| 101 to_type = '/full'; | |
| 102 else | |
| 103 to_type = '/bare'; | |
| 104 if node == origin.username and host == origin.host then | |
| 105 stanza.attr.to = nil; | |
| 106 to_self = true; | |
| 107 end | |
| 108 end | |
| 109 else | |
| 110 if host then | |
| 111 to_type = '/host'; | |
| 112 else | |
| 113 to_type = '/bare'; | |
| 114 to_self = true; | |
| 115 end | |
| 116 end | |
| 117 | |
| 118 local event_data = { origin = origin; stanza = stanza; to_self = to_self }; | |
| 119 | |
| 120 local result = module:fire_event("pre-stanza", event_data); | |
| 121 if result ~= nil then return true end | |
| 122 if module:fire_event('pre-' .. stanza.name .. to_type, event_data) then return true; end -- do preprocessing | |
| 123 return false | |
| 124 end | |
| 125 | |
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126 -- (table, string) -> table |
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127 local function amend_from_path(data, path) |
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128 local st_kind, st_type, st_to = path:match("^([mpi]%w+)/(%w+)/(.*)$"); |
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129 if not st_kind then return; end |
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130 if st_kind == "iq" and st_type ~= "get" and st_type ~= "set" then |
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131 -- GET /iq/disco/jid |
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132 data = { |
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133 kind = "iq"; |
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134 [st_type] = st_type == "ping" or data or {}; |
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135 }; |
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136 else |
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137 data.kind = st_kind; |
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138 data.type = st_type; |
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139 end |
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140 if st_to and st_to ~= "" then |
|
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141 data.to = st_to; |
|
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142 end |
|
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143 return data; |
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144 end |
|
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145 |
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146 local function parse(mimetype, data, path) --> Stanza, error enum |
|
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147 mimetype = mimetype and mimetype:match("^[^; ]*"); |
|
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148 if mimetype == "application/xmpp+xml" then |
|
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149 return xml.parse(data); |
| 3813 | 150 elseif mimetype == "application/json" then |
| 151 local parsed, err = json.decode(data); | |
| 152 if not parsed then | |
| 153 return parsed, err; | |
| 154 end | |
|
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155 if path then |
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156 parsed = amend_from_path(parsed, path); |
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157 if not parsed then return nil, "invalid-path"; end |
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158 end |
| 3813 | 159 return jsonmap.json2st(parsed); |
| 4037 | 160 elseif mimetype == "application/cbor" and have_cbor then |
| 161 local parsed, err = cbor.decode(data); | |
| 162 if not parsed then | |
| 163 return parsed, err; | |
| 164 end | |
| 165 return jsonmap.json2st(parsed); | |
|
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166 elseif mimetype == "application/x-www-form-urlencoded"then |
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167 local parsed = http.formdecode(data); |
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168 if type(parsed) == "string" then |
|
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169 -- This should reject GET /iq/query/to?messagebody |
|
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170 if path then |
|
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171 return nil, "invalid-query"; |
|
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172 end |
|
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173 return parse("text/plain", parsed); |
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174 end |
|
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175 for i = #parsed, 1, -1 do |
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176 parsed[i] = nil; |
|
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177 end |
|
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178 if path then |
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179 parsed = amend_from_path(parsed, path); |
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180 if not parsed then return nil, "invalid-path"; end |
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181 end |
|
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182 return jsonmap.json2st(parsed); |
|
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183 elseif mimetype == "text/plain" then |
|
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184 if not path then |
|
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185 return st.message({ type = "chat" }, data); |
|
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186 end |
|
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187 local parsed = {}; |
|
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188 if path then |
|
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189 parsed = amend_from_path(parsed, path); |
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190 if not parsed then return nil, "invalid-path"; end |
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191 end |
|
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192 if parsed.kind == "message" then |
|
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193 parsed.body = data; |
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194 elseif parsed.kind == "presence" then |
|
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195 parsed.show = data; |
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196 else |
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197 return nil, "invalid-path"; |
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198 end |
|
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199 return jsonmap.json2st(parsed); |
|
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|
200 elseif not mimetype and path then |
|
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changeset
|
201 local parsed = amend_from_path({}, path); |
|
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202 if not parsed then return nil, "invalid-path"; end |
|
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203 return jsonmap.json2st(parsed); |
|
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|
204 end |
|
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205 return nil, "unknown-payload-type"; |
|
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|
206 end |
|
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|
207 |
|
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diff
changeset
|
208 local function decide_type(accept, supported_types) |
| 3813 | 209 -- assumes the accept header is sorted |
| 210 local ret = supported_types[1]; | |
| 211 for i = 2, #supported_types do | |
| 212 if (accept:find(supported_types[i], 1, true) or 1000) < (accept:find(ret, 1, true) or 1000) then | |
| 213 ret = supported_types[i]; | |
| 214 end | |
| 215 end | |
| 216 return ret; | |
|
3811
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|
217 end |
|
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|
218 |
|
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|
219 local supported_inputs = { |
|
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|
220 "application/xmpp+xml", |
|
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changeset
|
221 "application/json", |
|
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|
222 "application/x-www-form-urlencoded", |
|
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|
223 "text/plain", |
|
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|
224 }; |
|
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|
225 |
|
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|
226 local supported_outputs = { |
|
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|
227 "application/xmpp+xml", |
|
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|
228 "application/json", |
|
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diff
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|
229 "application/x-www-form-urlencoded", |
|
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|
230 }; |
|
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|
231 |
| 4037 | 232 if have_cbor then |
| 233 table.insert(supported_inputs, "application/cbor"); | |
| 234 table.insert(supported_outputs, "application/cbor"); | |
| 235 end | |
| 236 | |
|
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diff
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|
237 -- Only { string : string } can be form-encoded, discard the rest |
|
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diff
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|
238 -- (jsonmap also discards anything unknown or unsupported) |
|
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diff
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|
239 local function flatten(t) |
|
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diff
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|
240 local form = {}; |
|
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diff
changeset
|
241 for k, v in pairs(t) do |
|
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diff
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|
242 if type(v) == "string" then |
|
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diff
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|
243 form[k] = v; |
|
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|
244 elseif type(v) == "number" then |
|
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diff
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|
245 form[k] = tostring(v); |
|
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|
246 elseif v == true then |
|
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diff
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|
247 form[k] = ""; |
|
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diff
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|
248 end |
|
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|
249 end |
|
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|
250 return form; |
|
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diff
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|
251 end |
|
07ae583bc565
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diff
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|
252 |
|
3812
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diff
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|
253 local function encode(type, s) |
|
4919
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
254 if type == "text/plain" then |
|
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diff
changeset
|
255 return s:get_child_text("body") or ""; |
|
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diff
changeset
|
256 elseif type == "application/xmpp+xml" then |
|
347e34c3c7e2
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diff
changeset
|
257 return tostring(s); |
|
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diff
changeset
|
258 end |
|
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diff
changeset
|
259 local mapped, err = jsonmap.st2json(s); |
|
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diff
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|
260 if not mapped then return mapped, err; end |
| 3813 | 261 if type == "application/json" then |
|
4919
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diff
changeset
|
262 return json.encode(mapped); |
|
4066
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diff
changeset
|
263 elseif type == "application/x-www-form-urlencoded" then |
|
4919
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diff
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|
264 return http.formencode(flatten(mapped)); |
| 4037 | 265 elseif type == "application/cbor" then |
|
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diff
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|
266 return cbor.encode(mapped); |
| 3813 | 267 end |
|
4919
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|
268 error "unsupported encoding"; |
|
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|
269 end |
|
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diff
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|
270 |
|
4244
07c11080027e
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Kim Alvefur <zash@zash.se>
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4242
diff
changeset
|
271 local post_errors = errors.init("mod_rest", { |
|
4988
732229fe68ab
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4955
diff
changeset
|
272 noauthz = { code = 401; type = "auth"; condition = "not-authorized"; text = "No credentials provided" }; |
|
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4955
diff
changeset
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273 unauthz = { code = 403; type = "auth"; condition = "not-authorized"; text = "Credentials not accepted" }; |
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274 parse = { code = 400; type = "modify"; condition = "not-well-formed"; text = "Failed to parse payload" }; |
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275 xmlns = { code = 422; type = "modify"; condition = "invalid-namespace"; text = "'xmlns' attribute must be empty" }; |
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276 name = { code = 422; type = "modify"; condition = "unsupported-stanza-type"; text = "Invalid stanza, must be 'message', 'presence' or 'iq'." }; |
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|
277 to = { code = 422; type = "modify"; condition = "improper-addressing"; text = "Invalid destination JID" }; |
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278 from = { code = 422; type = "modify"; condition = "invalid-from"; text = "Invalid source JID" }; |
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279 from_auth = { code = 403; type = "auth"; condition = "not-authorized"; text = "Not authorized to send stanza with requested 'from'" }; |
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|
280 iq_type = { code = 422; type = "modify"; condition = "invalid-xml"; text = "'iq' stanza must be of type 'get' or 'set'" }; |
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281 iq_tags = { code = 422; type = "modify"; condition = "bad-format"; text = "'iq' stanza must have exactly one child tag" }; |
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282 mediatype = { code = 415; type = "cancel"; condition = "bad-format"; text = "Unsupported media type" }; |
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283 size = { code = 413; type = "modify"; condition = "resource-constraint", text = "Payload too large" }; |
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284 }); |
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|
285 |
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|
286 -- GET → iq-get |
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287 local function parse_request(request, path) |
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288 if path and request.method == "GET" then |
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|
289 -- e.g. /version/{to} |
|
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|
290 if request.url.query then |
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291 return parse("application/x-www-form-urlencoded", request.url.query, "iq/"..path); |
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292 end |
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293 return parse(nil, nil, "iq/"..path); |
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294 else |
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295 return parse(request.headers.content_type, request.body, path); |
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296 end |
|
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297 end |
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298 |
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299 local function handle_request(event, path) |
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300 local request, response = event.request, event.response; |
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|
301 local log = request.log or module._log; |
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302 local from; |
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303 local origin; |
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|
304 local echo = path == "echo"; |
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305 if echo then path = nil; end |
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306 |
|
4734
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|
307 if not request.headers.authorization and www_authenticate_header then |
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308 response.headers.www_authenticate = www_authenticate_header; |
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309 return post_errors.new("noauthz"); |
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|
310 else |
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311 origin = check_credentials(request); |
|
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|
312 if not origin then |
|
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313 return post_errors.new("unauthz"); |
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314 end |
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|
315 from = jid.join(origin.username, origin.host, origin.resource); |
|
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mod_rest: Include full_jid property on origin
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diff
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|
316 origin.full_jid = from; |
|
4727
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mod_rest: Set type on temp session to satisfy certain auth checks
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317 origin.type = "c2s"; |
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318 origin.log = log; |
|
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diff
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|
319 end |
|
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diff
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|
320 if type(request.body) == "string" and #request.body > stanza_size_limit then |
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|
321 return post_errors.new("size", { size = #request.body; limit = stanza_size_limit }); |
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|
322 end |
|
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|
323 local payload, err = parse_request(request, path); |
|
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|
324 if not payload then |
|
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diff
changeset
|
325 -- parse fail |
|
4036
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parents:
3971
diff
changeset
|
326 local ctx = { error = err, type = request.headers.content_type, data = request.body, }; |
|
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|
327 if err == "unknown-payload-type" then |
|
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diff
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|
328 return post_errors.new("mediatype", ctx); |
|
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3971
diff
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|
329 end |
|
4244
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diff
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|
330 return post_errors.new("parse", ctx); |
|
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diff
changeset
|
331 end |
|
4242
6a91d217acc9
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diff
changeset
|
332 |
|
4841
f69c5a443156
mod_rest: Fix nested message stanzas in XEP-0297 containers
Kim Alvefur <zash@zash.se>
parents:
4745
diff
changeset
|
333 if (payload.attr.xmlns or "jabber:client") ~= "jabber:client" then |
|
4244
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parents:
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diff
changeset
|
334 return post_errors.new("xmlns"); |
|
3805
683b06c0348f
mod_rest: Validate stanza kind earlier
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parents:
3804
diff
changeset
|
335 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then |
|
4244
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diff
changeset
|
336 return post_errors.new("name"); |
|
3801
d59fb4dcf100
mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents:
3799
diff
changeset
|
337 end |
|
4242
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diff
changeset
|
338 |
|
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parents:
diff
changeset
|
339 local to = jid.prep(payload.attr.to); |
|
4502
48afaec5d1de
mod_rest: Allow empty @to to mean to=account is in normal XMPP
Kim Alvefur <zash@zash.se>
parents:
4488
diff
changeset
|
340 if payload.attr.to and not to then |
|
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diff
changeset
|
341 return post_errors.new("to"); |
|
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diff
changeset
|
342 end |
|
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4066
diff
changeset
|
343 |
|
3910
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Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
344 if payload.attr.from then |
|
49efd1323a1b
mod_rest: Add support for token authentication
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parents:
3909
diff
changeset
|
345 local requested_from = jid.prep(payload.attr.from); |
|
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diff
changeset
|
346 if not requested_from then |
|
4244
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changeset
|
347 return post_errors.new("from"); |
|
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diff
changeset
|
348 end |
|
3910
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3909
diff
changeset
|
349 if jid.compare(requested_from, from) then |
|
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diff
changeset
|
350 from = requested_from; |
|
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diff
changeset
|
351 else |
|
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diff
changeset
|
352 return post_errors.new("from_auth"); |
|
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parents:
diff
changeset
|
353 end |
|
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parents:
diff
changeset
|
354 end |
|
4242
6a91d217acc9
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4066
diff
changeset
|
355 |
|
3794
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
356 payload.attr = { |
|
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
357 from = from, |
|
4b258329e6e4
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
358 to = to, |
|
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parents:
diff
changeset
|
359 id = payload.attr.id or id.medium(), |
|
4b258329e6e4
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
360 type = payload.attr.type, |
|
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parents:
diff
changeset
|
361 ["xml:lang"] = payload.attr["xml:lang"], |
|
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diff
changeset
|
362 }; |
|
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4066
diff
changeset
|
363 |
|
5585
5b316088bef5
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Kim Alvefur <zash@zash.se>
parents:
5557
diff
changeset
|
364 log("debug", "Received[rest]: %s", payload:top_tag()); |
|
4478
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parents:
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diff
changeset
|
365 local send_type = decide_type((request.headers.accept or "") ..",".. (request.headers.content_type or ""), supported_outputs) |
|
4514
81d0748bff5b
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parents:
4506
diff
changeset
|
366 |
|
81d0748bff5b
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Kim Alvefur <zash@zash.se>
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4506
diff
changeset
|
367 if echo then |
|
4918
9d0ec61c70a1
mod_rest: Catch and coerce errors in echo endpoint
Kim Alvefur <zash@zash.se>
parents:
4888
diff
changeset
|
368 local ret, err = errors.coerce(encode(send_type, payload)); |
|
9d0ec61c70a1
mod_rest: Catch and coerce errors in echo endpoint
Kim Alvefur <zash@zash.se>
parents:
4888
diff
changeset
|
369 if not ret then return err; end |
|
4514
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Kim Alvefur <zash@zash.se>
parents:
4506
diff
changeset
|
370 response.headers.content_type = send_type; |
|
4918
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Kim Alvefur <zash@zash.se>
parents:
4888
diff
changeset
|
371 return ret; |
|
4514
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parents:
4506
diff
changeset
|
372 end |
|
81d0748bff5b
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Kim Alvefur <zash@zash.se>
parents:
4506
diff
changeset
|
373 |
|
3794
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
374 if payload.name == "iq" then |
|
4699
a8af632daf48
mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents:
4532
diff
changeset
|
375 local responses = st.stanza("xmpp"); |
|
3910
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Matthew Wild <mwild1@gmail.com>
parents:
3909
diff
changeset
|
376 function origin.send(stanza) |
|
4699
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Kim Alvefur <zash@zash.se>
parents:
4532
diff
changeset
|
377 responses:add_direct_child(stanza); |
|
3910
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parents:
3909
diff
changeset
|
378 end |
| 4735 | 379 if compat_preevents(origin, payload) then return 202; end |
|
4242
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parents:
4066
diff
changeset
|
380 |
|
3794
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
381 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then |
|
4244
07c11080027e
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Kim Alvefur <zash@zash.se>
parents:
4242
diff
changeset
|
382 return post_errors.new("iq_type"); |
|
3832
0d4146cf9fbc
mod_rest: Enforce single child policy for outgoing it stanzas
Kim Alvefur <zash@zash.se>
parents:
3825
diff
changeset
|
383 elseif #payload.tags ~= 1 then |
|
4244
07c11080027e
mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents:
4242
diff
changeset
|
384 return post_errors.new("iq_tags"); |
|
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diff
changeset
|
385 end |
|
4242
6a91d217acc9
mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents:
4066
diff
changeset
|
386 |
|
4942
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
387 -- special handling of multiple responses to MAM queries primarily from |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
388 -- remote hosts, local go directly to origin.send() |
|
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mod_rest: Add special handling to catch MAM results from remote hosts
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parents:
4923
diff
changeset
|
389 local archive_event_name = "message"..event_suffix(from); |
|
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parents:
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diff
changeset
|
390 local archive_handler; |
|
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parents:
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diff
changeset
|
391 local archive_query = payload:get_child("query", "urn:xmpp:mam:2"); |
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mod_rest: Add special handling to catch MAM results from remote hosts
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parents:
4923
diff
changeset
|
392 if archive_query then |
|
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mod_rest: Add special handling to catch MAM results from remote hosts
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parents:
4923
diff
changeset
|
393 archive_handler = function(result_event) |
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mod_rest: Add special handling to catch MAM results from remote hosts
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parents:
4923
diff
changeset
|
394 if result_event.stanza:find("{urn:xmpp:mam:2}result/@queryid") == archive_query.attr.queryid then |
|
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parents:
4923
diff
changeset
|
395 origin.send(result_event.stanza); |
|
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mod_rest: Add special handling to catch MAM results from remote hosts
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parents:
4923
diff
changeset
|
396 return true; |
|
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mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
397 end |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
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parents:
4923
diff
changeset
|
398 end |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
399 module:hook(archive_event_name, archive_handler, 1); |
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mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
400 end |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
401 |
|
5332
e0b5468aae49
mod_rest: Allow passing configuring a timeout for <iq> responses
Kim Alvefur <zash@zash.se>
parents:
5087
diff
changeset
|
402 local iq_timeout = tonumber(request.headers.prosody_rest_timeout) or module:get_option_number("rest_iq_timeout", 60*2); |
|
5334
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mod_rest: Get correct type from config
Kim Alvefur <zash@zash.se>
parents:
5332
diff
changeset
|
403 iq_timeout = math.min(iq_timeout, module:get_option_number("rest_iq_max_timeout", 300)); |
|
5332
e0b5468aae49
mod_rest: Allow passing configuring a timeout for <iq> responses
Kim Alvefur <zash@zash.se>
parents:
5087
diff
changeset
|
404 |
|
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mod_rest: Allow passing configuring a timeout for <iq> responses
Kim Alvefur <zash@zash.se>
parents:
5087
diff
changeset
|
405 local p = module:send_iq(payload, origin, iq_timeout):next( |
|
3794
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parents:
diff
changeset
|
406 function (result) |
|
5585
5b316088bef5
mod_rest: Use logger of HTTP request in trunk
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parents:
5557
diff
changeset
|
407 log("debug", "Sending[rest]: %s", result.stanza:top_tag()); |
|
3811
eb25110696cd
mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents:
3810
diff
changeset
|
408 response.headers.content_type = send_type; |
|
4944
e67cc71727ca
mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents:
4943
diff
changeset
|
409 if responses[1] then |
|
e67cc71727ca
mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents:
4943
diff
changeset
|
410 local tail = responses[#responses]; |
|
e67cc71727ca
mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents:
4943
diff
changeset
|
411 if tail.name ~= "iq" or tail.attr.from ~= result.stanza.attr.from or tail.attr.id ~= result.stanza.attr.id then |
|
e67cc71727ca
mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents:
4943
diff
changeset
|
412 origin.send(result.stanza); |
|
e67cc71727ca
mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents:
4943
diff
changeset
|
413 end |
|
4943
83a54f4af94c
mod_rest: Ensure MAM result-iq is included in results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4942
diff
changeset
|
414 end |
|
4699
a8af632daf48
mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents:
4532
diff
changeset
|
415 if responses[2] then |
|
a8af632daf48
mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents:
4532
diff
changeset
|
416 return encode(send_type, responses); |
|
a8af632daf48
mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents:
4532
diff
changeset
|
417 end |
|
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
418 return encode(send_type, result.stanza); |
|
3794
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parents:
diff
changeset
|
419 end, |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
420 function (error) |
|
3909
eb27e51cf2c9
mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents:
3887
diff
changeset
|
421 if not errors.is_err(error) then |
|
5585
5b316088bef5
mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents:
5557
diff
changeset
|
422 log("error", "Uncaught native error: %s", error); |
|
3909
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mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents:
3887
diff
changeset
|
423 return select(2, errors.coerce(nil, error)); |
|
eb27e51cf2c9
mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents:
3887
diff
changeset
|
424 elseif error.context and error.context.stanza then |
|
3811
eb25110696cd
mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents:
3810
diff
changeset
|
425 response.headers.content_type = send_type; |
|
5585
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mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents:
5557
diff
changeset
|
426 log("debug", "Sending[rest]: %s", error.context.stanza:top_tag()); |
|
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
427 return encode(send_type, error.context.stanza); |
|
3794
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
428 else |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
429 return error; |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
430 end |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
431 end); |
|
4942
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
432 |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
433 if archive_handler then |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
434 p:finally(function () |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
435 module:unhook(archive_event_name, archive_handler); |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
436 end) |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
437 end |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
438 |
|
e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents:
4923
diff
changeset
|
439 return p; |
|
3805
683b06c0348f
mod_rest: Validate stanza kind earlier
Kim Alvefur <zash@zash.se>
parents:
3804
diff
changeset
|
440 else |
|
3796
d1ad10b76b00
mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents:
3795
diff
changeset
|
441 function origin.send(stanza) |
|
5585
5b316088bef5
mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents:
5557
diff
changeset
|
442 log("debug", "Sending[rest]: %s", stanza:top_tag()); |
|
3811
eb25110696cd
mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents:
3810
diff
changeset
|
443 response.headers.content_type = send_type; |
|
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
444 response:send(encode(send_type, stanza)); |
|
3796
d1ad10b76b00
mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents:
3795
diff
changeset
|
445 return true; |
|
d1ad10b76b00
mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents:
3795
diff
changeset
|
446 end |
| 4735 | 447 if compat_preevents(origin, payload) then return 202; end |
|
4242
6a91d217acc9
mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents:
4066
diff
changeset
|
448 |
|
3814
0dede5b0ab27
mod_rest: Fix return status when sending and forgetting
Kim Alvefur <zash@zash.se>
parents:
3813
diff
changeset
|
449 module:send(payload, origin); |
|
0dede5b0ab27
mod_rest: Fix return status when sending and forgetting
Kim Alvefur <zash@zash.se>
parents:
3813
diff
changeset
|
450 return 202; |
|
3794
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
451 end |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
452 end |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
453 |
|
4888
dc7c9ae15f43
mod_rest: Ensure mod_http is loaded before API demo
Kim Alvefur <zash@zash.se>
parents:
4841
diff
changeset
|
454 module:depends("http"); |
|
dc7c9ae15f43
mod_rest: Ensure mod_http is loaded before API demo
Kim Alvefur <zash@zash.se>
parents:
4841
diff
changeset
|
455 |
|
4488
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
456 local demo_handlers = {}; |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
457 if module:get_option_path("rest_demo_resources", nil) then |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
458 demo_handlers = module:require"apidemo"; |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
459 end |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
460 |
|
3794
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
461 -- Handle stanzas submitted via HTTP |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
462 module:provides("http", { |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
463 route = { |
|
4478
7ab0c423688a
mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents:
4477
diff
changeset
|
464 POST = handle_request; |
|
7ab0c423688a
mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents:
4477
diff
changeset
|
465 ["POST /*"] = handle_request; |
|
7ab0c423688a
mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents:
4477
diff
changeset
|
466 ["GET /*"] = handle_request; |
|
4488
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
467 |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
468 -- Only if api_demo_resources are set |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
469 ["GET /"] = demo_handlers.redirect; |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
470 ["GET /demo/"] = demo_handlers.main_page; |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
471 ["GET /demo/openapi.yaml"] = demo_handlers.schema; |
|
eea62d30ae08
mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents:
4481
diff
changeset
|
472 ["GET /demo/*"] = demo_handlers.resources; |
|
3794
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
473 }; |
|
4b258329e6e4
mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
474 }); |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
475 |
|
5087
438fbebf74ac
mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents:
5086
diff
changeset
|
476 function new_webhook(rest_url, send_type) |
|
4921
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
477 local function get_url() return rest_url; end |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
478 if rest_url:find("%b{}") then |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
479 local httputil = require "util.http"; |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
480 local render_url = require"util.interpolation".new("%b{}", httputil.urlencode); |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
481 function get_url(stanza) |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
482 local at = stanza.attr; |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
483 return render_url(rest_url, { kind = stanza.name, type = at.type, to = at.to, from = at.from }); |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
484 end |
|
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
485 end |
| 3813 | 486 if send_type == "json" then |
| 487 send_type = "application/json"; | |
| 488 end | |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
489 |
|
3862
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
490 module:set_status("info", "Not yet connected"); |
|
4921
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
491 http.request(get_url(st.stanza("meta", { type = "info", to = module.host, from = module.host })), { |
|
3861
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
492 method = "OPTIONS", |
|
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
493 }, function (body, code, response) |
|
3862
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
494 if code == 0 then |
|
4922
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
495 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body); |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
496 elseif code == 200 then |
|
3862
3b6b8dcff78e
mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents:
3861
diff
changeset
|
497 module:set_status("info", "Connected"); |
|
4922
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
498 if response.headers.accept then |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
499 send_type = decide_type(response.headers.accept, supported_outputs); |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
500 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type); |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
501 end |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
502 else |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
503 module:log_status("warn", "Unexpected response code %d from OPTIONS probe", code); |
|
816b23e09c20
mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents:
4921
diff
changeset
|
504 module:log("warn", "Endpoint said: %s", body); |
|
3861
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
505 end |
|
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
506 end); |
|
ede3d1724dd1
mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents:
3858
diff
changeset
|
507 |
|
4245
7bf3bf81c9ef
mod_rest: Use HTTP error mapping from net.http.errors
Kim Alvefur <zash@zash.se>
parents:
4244
diff
changeset
|
508 local code2err = require "net.http.errors".registry; |
|
3797
ed5d7586a61e
mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents:
3796
diff
changeset
|
509 |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
510 local function handle_stanza(event) |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
511 local stanza, origin = event.stanza, event.origin; |
|
5086
dec4b2e31d1c
mod_rest: Do not allow replies to <iq type=result> from webhooks
Kim Alvefur <zash@zash.se>
parents:
5001
diff
changeset
|
512 local reply_allowed = stanza.attr.type ~= "error" and stanza.attr.type ~= "result"; |
|
4250
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
513 local reply_needed = reply_allowed and stanza.name == "iq"; |
|
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
514 local receipt; |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
515 |
|
4250
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
516 if reply_allowed and stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then |
|
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
517 reply_needed = true; |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
518 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id }); |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
519 end |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
520 |
|
3812
f027b8b1e794
mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents:
3811
diff
changeset
|
521 local request_body = encode(send_type, stanza); |
|
3799
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
522 |
|
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
523 -- Keep only the top level element and let the rest be GC'd |
|
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
524 stanza = st.clone(stanza, true); |
|
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
525 |
|
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
526 module:log("debug", "Sending[rest]: %s", stanza:top_tag()); |
|
4921
bdac7c717c91
mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents:
4919
diff
changeset
|
527 http.request(get_url(stanza), { |
|
3799
a1f1f703d604
mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents:
3798
diff
changeset
|
528 body = request_body, |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
529 headers = { |
|
3811
eb25110696cd
mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents:
3810
diff
changeset
|
530 ["Content-Type"] = send_type, |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
531 ["Content-Language"] = stanza.attr["xml:lang"], |
|
3929
bd687d586a8a
mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents:
3926
diff
changeset
|
532 Accept = table.concat(supported_inputs, ", "); |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
533 }, |
|
4247
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
534 }):next(function (response) |
|
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
535 module:set_status("info", "Connected"); |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
536 local reply; |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
537 |
|
4247
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
538 local code, body = response.code, response.body; |
|
4250
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
539 if not reply_allowed then |
|
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
540 return; |
|
8b489203e4d3
mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents:
4249
diff
changeset
|
541 elseif code == 202 or code == 204 then |
|
3867
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
542 if not reply_needed then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
543 -- Delivered, no reply |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
544 return; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
545 end |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
546 else |
|
3867
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
547 local parsed, err = parse(response.headers["content-type"], body); |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
548 if not parsed then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
549 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body); |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
550 elseif parsed.name ~= stanza.name then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
551 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name); |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
552 else |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
553 parsed.attr = { |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
554 from = stanza.attr.to, |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
555 to = stanza.attr.from, |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
556 id = parsed.attr.id or id.medium(); |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
557 type = parsed.attr.type, |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
558 ["xml:lang"] = parsed.attr["xml:lang"], |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
559 }; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
560 if parsed.name == "message" and parsed.attr.type == "groupchat" then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
561 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
|
562 end |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
563 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
|
564 parsed.attr.type = "error"; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
565 end |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
566 if parsed.attr.type == "error" then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
567 parsed.attr.id = stanza.attr.id; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
568 elseif parsed.name == "iq" then |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
569 parsed.attr.id = stanza.attr.id; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
570 parsed.attr.type = "result"; |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
571 end |
|
839224be5299
mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents:
3866
diff
changeset
|
572 reply = parsed; |
|
3821
11272a3233ce
mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents:
3816
diff
changeset
|
573 end |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
574 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
575 |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
576 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
|
577 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
|
578 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
|
579 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
|
580 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
|
581 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
|
582 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
583 -- 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
|
584 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
|
585 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
|
586 elseif code_hundreds == 400 then |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
587 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
|
588 elseif code_hundreds == 500 then |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
589 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
|
590 else |
|
3810
91ff86fc3b20
mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents:
3807
diff
changeset
|
591 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
|
592 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
593 end |
|
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
594 |
|
3798
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
595 if receipt then |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
596 reply:add_direct_child(receipt); |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
597 end |
|
9b4fd2553365
mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents:
3797
diff
changeset
|
598 |
|
3803
dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents:
3802
diff
changeset
|
599 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
|
600 |
|
3795
f51308fcba83
mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents:
3794
diff
changeset
|
601 origin.send(reply); |
|
4247
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
602 end, |
|
1f93fa24611d
mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents:
4245
diff
changeset
|
603 function (err) |
|
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604 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, err); |
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605 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", err.text)); |
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606 end):catch(function (err) |
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607 module:log("error", "Error[rest]: %s", err); |
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608 end); |
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609 |
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610 return true; |
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611 end |
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612 |
|
5087
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613 return handle_stanza; |
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614 end |
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615 |
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616 -- Forward stanzas from XMPP to HTTP and return any reply |
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617 local rest_url = module:get_option_string("rest_callback_url", nil); |
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618 if rest_url then |
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619 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml"); |
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620 |
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621 local handle_stanza = new_webhook(rest_url, send_type); |
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622 |
|
4923
c83b009b5bc5
mod_rest: Add configuration of which stanzas to route to callback
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623 local send_kinds = module:get_option_set("rest_callback_stanzas", { "message", "presence", "iq" }); |
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changeset
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624 |
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625 local event_presets = { |
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626 -- Don't override everything on normal VirtualHosts by default |
|
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627 ["local"] = { "host" }, |
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628 -- Comonents get to handle all kinds of stanzas |
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629 ["component"] = { "bare", "full", "host" }, |
|
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630 }; |
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631 local hook_events = module:get_option_set("rest_callback_events", event_presets[module:get_host_type()]); |
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632 for kind in send_kinds do |
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633 for event in hook_events do |
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634 module:hook(kind.."/"..event, handle_stanza, -1); |
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635 end |
|
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636 end |
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637 end |
|
3842
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Kim Alvefur <zash@zash.se>
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638 |
|
3929
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639 local supported_errors = { |
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bd687d586a8a
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640 "text/html", |
|
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641 "application/xmpp+xml", |
|
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642 "application/json", |
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643 }; |
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644 |
|
3873
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645 local http_server = require "net.http.server"; |
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646 module:hook_object_event(http_server, "http-error", function (event) |
|
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changeset
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647 local request, response = event.request, event.response; |
|
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648 local response_as = decide_type(request and request.headers.accept or "", supported_errors); |
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649 if response_as == "application/xmpp+xml" then |
|
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650 if response then |
|
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651 response.headers.content_type = "application/xmpp+xml"; |
|
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652 end |
|
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653 local stream_error = st.stanza("error", { xmlns = "http://etherx.jabber.org/streams" }); |
|
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diff
changeset
|
654 if event.error then |
|
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|
655 stream_error:tag(event.error.condition, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }):up(); |
|
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diff
changeset
|
656 if event.error.text then |
|
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diff
changeset
|
657 stream_error:text_tag("text", event.error.text, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }); |
|
2e8b284ac8b3
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parents:
3930
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|
658 end |
|
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diff
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|
659 end |
|
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|
660 return tostring(stream_error); |
|
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changeset
|
661 elseif response_as == "application/json" then |
|
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changeset
|
662 if response then |
|
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|
663 response.headers.content_type = "application/json"; |
|
3842
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|
664 end |
|
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|
665 return json.encode({ |
|
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diff
changeset
|
666 type = "error", |
|
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diff
changeset
|
667 error = event.error, |
|
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changeset
|
668 code = event.code, |
|
fea0c1bed1a0
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diff
changeset
|
669 }); |
|
fea0c1bed1a0
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changeset
|
670 end |
|
3933
93147b89ea67
mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500)
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parents:
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diff
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|
671 end, 1); |