prosody-modules
524f22ef2c2b
mod_post_msg/mod_post_msg.lua

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mod_post_msg/mod_post_msg.lua @ 313:524f22ef2c2b

mod_reload_modules: Module to, erm, reload modules, on SIGHUP/config reload
author Matthew Wild <mwild1@gmail.com>
date Sat, 08 Jan 2011 18:16:14 +0000
parent 231:b78009874ce5
child 320:8d4f3cd41f82
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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ac5289d5ac8c mod_post_msg: A plugin that recives a single message by HTTP POST and relays it.
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1 -- Recive a HTTP POST and relay it
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2 -- By Kim Alvefur <zash@zash.se>
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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"
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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 local urlparams = --require "net.http".getQueryParams or whatever MattJ names it
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17 function(s)
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18 if not s:match("=") then return urldecode(s); end
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19 local r = {}
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20 s:gsub("([^=&]*)=([^&]*)", function(k,v)
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21 r[ urldecode(k) ] = urldecode(v);
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22 return nil
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23 end)
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24 return r
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25 end;
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26
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27 local function http_response(code, message, extra_headers)
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28 local response = {
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29 status = code .. " " .. message;
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30 body = message .. "\n"; }
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31 if extra_headers then response.headers = extra_headers; end
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32 return response
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33 end
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34
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35 local function handle_request(method, body, request)
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36 if request.method == "BREW" then return http_response(418, "I'm a teapot"); end
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37 if request.method ~= "POST" then
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38 return http_response(405, "Method Not Allowed", {["Allow"] = "POST"}); end
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39
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40 -- message to?
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41 local path_jid = request.url.path:match("[^/]+$");
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42 if not path_jid or not body then return http_response(400, "Bad Request"); end
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43 local to_user, to_host = jid_split(urldecode(path_jid));
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44 if to_host and not to_user and request.headers.host then
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45 to_user, to_host = to_host, request.headers.host;
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46 if to_host then to_host = to_host:gsub(":%d+$", ""); end
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47 end
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48 if not to_host or not to_user then return http_response(400, "Bad Request"); end
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49 local to_jid = jid_prep(to_user .. "@" .. to_host)
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50 if not to_jid then return http_response(400, "Bad Request"); end
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51
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52 -- message from?
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53 if not request.headers["authorization"] then
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54 return http_response(401, "Unauthorized",
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55 {["WWW-Authenticate"]='Basic realm="WallyWorld"'})
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56 end
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57 local from_jid, password = b64_decode(request.headers.authorization
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58 :match("[^ ]*$") or ""):match("([^:]*):(.*)");
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59 from_jid = jid_prep(from_jid)
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60 if not from_jid or not password then return http_response(400, "Bad Request"); end
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61 local from_user, from_host = jid_split(from_jid)
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62 if not hosts[from_host] then return http_response(401, "Unauthorized"); end
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63
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64 -- auth
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65 module:log("debug", "testing authz %s", from_jid)
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66 if not test_password(from_user, from_host, password) then
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67 return http_response(401, "Unauthorized")
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68 end
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69
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70 -- parse body
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71 local message = {}
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72 local body_type = request.headers["content-type"]
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73 if body_type == "text/plain" then
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74 message = {["body"] = body}
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75 elseif body_type == "application/x-www-form-urlencoded" then
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76 message = urlparams(body)
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77 if type(message) == "string" then
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78 message = {["body"] = message}
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79 end
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80 else
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81 return http_response(415, "Unsupported Media Type")
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82 end
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83
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84 -- guess type if not set
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85 if not message["type"] then
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86 if message["body"] then
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87 if message["subject"] then
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88 message["type"] = "normal"
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89 else
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90 message["type"] = "chat"
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91 end
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92 elseif not message["body"] and message["subject"] then
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93 message["type"] = "headline"
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94 end
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95 end
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96
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97 -- build stanza
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98 local stanza = msg({["to"]=to_jid, ["from"]=from_jid, ["type"]=message["type"]})
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99 if message["body"] then stanza:tag("body"):text(message["body"]):up(); end
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100 if message["subject"] then stanza:tag("subject"):text(message["subject"]):up(); end
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101
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102 -- and finaly post it
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103 module:log("debug", "message for %s", to_jid)
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104 core_post_stanza(hosts[module.host], stanza)
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105 return http_response(202, "Accepted")
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106 end
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107
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108 local ports = config.get(module.host, "core", "post_msg_ports") or { 5280 };
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109 require "net.httpserver".new_from_config(ports, "msg", handle_request);