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annotate mod_post_msg/mod_post_msg.lua @ 229:5689ffaf97df

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mod_couchdb: Now added as a proper module using the new storage provider system.
author Waqas Hussain <waqas20@gmail.com>
date Sat, 31 Jul 2010 14:42:27 +0500
parents ac5289d5ac8c
children b78009874ce5
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ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
Kim Alvefur <zash@zash.se>
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1 -- Recive a HTTP POST and relay it
ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
Kim Alvefur <zash@zash.se>
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2 -- By Kim Alvefur <zash@zash.se>
ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
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3 -- Some code borrowed from mod_webpresence
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4 --
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5 -- Example usage:
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6 -- curl http://example.com:5280/msg/user -u me@example.com:mypassword -d "Hello there"
ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
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7 -- This would send a message to user@example.com from me@example.com
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8
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9
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10 local jid_split = require "util.jid".split;
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11 local jid_prep = require "util.jid".prep;
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12 local msg = require "util.stanza".message;
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13 local test_password = require "core.usermanager".test_password;
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14 local b64_decode = require "util.encodings".base64.decode;
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15 local urldecode = require "net.http".urldecode;
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16
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17 local function http_response(code, message, extra_headers)
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18 local response = {
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19 status = code .. " " .. message;
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20 body = message .. "\n"; }
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21 if extra_headers then response.headers = extra_headers; end
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22 return response
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23 end
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24
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25 local function handle_request(method, body, request)
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26 if request.method ~= "POST" then return http_response(405, "Method Not Allowed"); end
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27
ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
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28 -- message to?
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29 local path_jid = request.url.path:match("[^/]+$");
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30 if not path_jid or not body then return http_response(400, "Bad Request"); end
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31 local to_user, to_host = jid_split(urldecode(path_jid));
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32 if to_host and not to_user and request.headers.host then
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33 to_user, to_host = to_host, request.headers.host;
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34 if to_host then to_host = to_host:gsub(":%d+$", ""); end
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35 end
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36 if not to_host or not to_user then return http_response(400, "Bad Request"); end
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37 local to_jid = jid_prep(to_user .. "@" .. to_host)
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38 if not to_jid then return http_response(400, "Bad Request"); end
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39
ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
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40 -- message from?
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41 if not request.headers["authorization"] then
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42 return http_response(401, "Unauthorized",
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43 {["WWW-Authenticate"]='Basic realm="WallyWorld"'})
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44 end
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45 local from_jid, password = b64_decode(request.headers.authorization
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46 :gmatch("[^ ]*$")() or ""):gmatch("([^:]*):(.*)")();
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47 from_jid = jid_prep(from_jid)
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48 if not from_jid or not password then return http_response(400, "Bad Request"); end
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49 local from_user, from_host = jid_split(from_jid)
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50 if not hosts[from_host] then return http_response(401, "Unauthorized"); end
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51
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52 -- auth
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53 module:log("debug", "testing authz %s", from_jid)
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54 if not test_password(from_user, from_host, password) then
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55 return http_response(401, "Unauthorized"); end
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56
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57 module:log("debug", "message for %s", to_jid)
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58 core_post_stanza(hosts[module.host], msg({to=to_jid, from=from_jid, type="chat"})
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59 :tag("body"):text(body))
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60 return http_response(202, "Accepted")
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61 end
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62
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63 local ports = config.get(module.host, "core", "post_msg_ports") or { 5280 };
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64 require "net.httpserver".new_from_config(ports, "msg", handle_request);