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annotate mod_ircd/mod_ircd.in.lua @ 466:0fcd34ee7301

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mod_ircd: Proper line parsing and generating. Fix PMs
author Kim Alvefur <zash@zash.se>
date Tue, 01 Nov 2011 18:08:15 +0100
parents 030404dd7609
children 640e6c0b563d
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1 -- README
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2 -- Squish verse into this dir, then squish them into one, which you move
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3 -- and rename to mod_ircd.lua in your prosody modules/plugins dir.
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4 --
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5 -- IRC spec:
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6 -- http://tools.ietf.org/html/rfc2812
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7 local _module = module
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8 module = _G.module
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9 local module = _module
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10 --
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11 local component_jid, component_secret, muc_server =
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12 module.host, nil, module:get_option("conference_server");
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13
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14 package.loaded["util.sha1"] = require "util.encodings";
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15 local verse = require "verse"
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16 require "verse.component"
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17 require "socket"
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18 c = verse.new();--verse.logger())
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19 c:add_plugin("groupchat");
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20
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21 local function verse2prosody(e)
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22 return c:event("stanza", e.stanza) or true;
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23 end
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24 module:hook("message/bare", verse2prosody);
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25 module:hook("message/full", verse2prosody);
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26 module:hook("presence/bare", verse2prosody);
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27 module:hook("presence/full", verse2prosody);
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28 c.type = "component";
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29 c.send = core_post_stanza;
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30
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31 -- This plugin is actually a verse based component, but that mode is currently commented out
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32
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33 -- Add some hooks for debugging
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34 --c:hook("opened", function () print("Stream opened!") end);
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35 --c:hook("closed", function () print("Stream closed!") end);
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36 --c:hook("stanza", function (stanza) print("Stanza:", stanza) end);
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37
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38 -- This one prints all received data
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39 --c:hook("incoming-raw", print, 1000);
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40 --c:hook("stanza", print, 1000);
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41 --c:hook("outgoing-raw", print, 1000);
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42
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43 -- Print a message after authentication
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44 --c:hook("authentication-success", function () print("Logged in!"); end);
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45 --c:hook("authentication-failure", function (err) print("Failed to log in! Error: "..tostring(err.condition)); end);
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46
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47 -- Print a message and exit when disconnected
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48 --c:hook("disconnected", function () print("Disconnected!"); os.exit(); end);
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49
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50 -- Now, actually start the connection:
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51 --c.connect_host = "127.0.0.1"
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52 --c:connect_component(component_jid, component_secret);
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53
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54 local jid = require "util.jid";
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55 local nodeprep = require "util.encodings".stringprep.nodeprep;
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56
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57 local function parse_line(line)
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58 local ret = {};
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59 if line:sub(1,1) == ":" then
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60 ret.from, line = line:match("^:(%w+)%s+(.*)$");
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61 end
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62 for part in line:gmatch("%S+") do
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63 if part:sub(1,1) == ":" then
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64 ret[#ret+1] = line:match(":(.*)$");
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65 break
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66 end
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67 ret[#ret+1]=part;
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68 end
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69 return ret;
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70 end
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71
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72 local function build_line(parts)
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73 if #parts > 1 then
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74 parts[#parts] = ":" .. parts[#parts];
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75 end
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76 return (parts.from and ":"..parts.from.." " or "")..table.concat(parts, " ");
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77 end
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78
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79 local function irc2muc(channel, nick)
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80 local room = channel and nodeprep(channel:match("^#(%w+)")) or nil;
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81 return jid.join(room, muc_server, nick)
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82 end
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83 local function muc2irc(room)
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84 local channel, _, nick = jid.split(room);
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85 return "#"..channel, nick;
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86 end
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87 local rolemap = {
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88 moderator = "@",
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89 participant = "+",
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90 }
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91 local modemap = {
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92 moderator = "o",
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93 participant = "v",
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94 }
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95
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96 local irc_listener = { default_port = 6667, default_mode = "*l" };
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97
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98 local sessions = {};
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99 local jids = {};
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100 local commands = {};
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101
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102 local nicks = {};
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103
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104 local st = require "util.stanza";
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105
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106 local conference_server = muc_server;
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107
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108 local function irc_close_session(session)
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109 session.conn:close();
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110 end
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112 function irc_listener.onincoming(conn, data)
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113 local session = sessions[conn];
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114 if not session then
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115 session = { conn = conn, host = component_jid, reset_stream = function () end,
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116 close = irc_close_session, log = logger.init("irc"..(conn.id or "1")),
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117 rooms = {},
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118 roster = {} };
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119 sessions[conn] = session;
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120 function session.data(data)
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121 local parts = parse_line(data);
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122 module:log("debug", require"util.serialization".serialize(parts));
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123 local command = table.remove(parts, 1);
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124 if not command then
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125 return;
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126 end
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127 command = command:upper();
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128 if not session.nick then
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129 if not (command == "USER" or command == "NICK") then
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130 module:log("debug", "Client tried to send command %s before registering", command);
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131 return session.send{from=muc_server, 451, command, "You have not registered"}
335
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diff changeset
132 end
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parents: 329
diff changeset
133 end
111
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134 if commands[command] then
466
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diff changeset
135 local ret = commands[command](session, parts);
111
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136 if ret then
466
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diff changeset
137 return session.send(ret);
111
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138 end
326
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diff changeset
139 else
466
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140 session.send{from=muc_server, 421, session.nick, command, "Unknown command"};
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141 return module:log("debug", "Unknown command: %s", command);
111
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142 end
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parents:
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143 end
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144 function session.send(data)
466
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diff changeset
145 if type(data) == "string" then
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146 return conn:write(data.."\r\n");
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147 elseif type(data) == "table" then
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diff changeset
148 local line = build_line(data);
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diff changeset
149 module:log("debug", line);
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diff changeset
150 conn:write(line.."\r\n");
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diff changeset
151 end
111
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152 end
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parents:
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153 end
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154 if data then
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155 session.data(data);
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156 end
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parents:
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157 end
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158
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159 function irc_listener.ondisconnect(conn, error)
326
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160 local session = sessions[conn];
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diff changeset
161 if session then
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diff changeset
162 for _, room in pairs(session.rooms) do
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163 room:leave("Disconnected");
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164 end
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165 if session.nick then
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166 nicks[session.nick] = nil;
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167 end
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diff changeset
168 if session.full_jid then
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169 jids[session.full_jid] = nil;
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diff changeset
170 end
326
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diff changeset
171 end
111
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172 sessions[conn] = nil;
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173 end
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174
466
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diff changeset
175 function commands.NICK(session, args)
326
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diff changeset
176 if session.nick then
466
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diff changeset
177 session.send(":"..muc_server.." 484 * "..nick.." :I'm afraid I can't let you do that, "..session.nick);
335
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parents: 329
diff changeset
178 --TODO Loop throug all rooms and change nick, with help from Verse.
326
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diff changeset
179 return;
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diff changeset
180 end
466
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diff changeset
181 local nick = args[1];
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182 nick = nick:gsub("[^%w_]","");
111
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183 if nicks[nick] then
466
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diff changeset
184 session.send{from=muc_server, 433, nick, "The nickname "..nick.." is already in use"};
111
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185 return;
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parents:
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186 end
326
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diff changeset
187 local full_jid = jid.join(nick, component_jid, "ircd");
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diff changeset
188 jids[full_jid] = session;
111
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189 nicks[nick] = session;
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diff changeset
190 session.nick = nick;
326
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diff changeset
191 session.full_jid = full_jid;
111
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192 session.type = "c2s";
466
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diff changeset
193 session.send{from = muc_server, 001, nick, "Welcome to XMPP via the "..session.host.." gateway "..session.nick};
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parents: 465
diff changeset
194 session.send{from=nick, "MODE", nick, "+i"}; -- why
111
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parents:
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195 end
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parents:
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196
329
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parents: 326
diff changeset
197 function commands.USER(session, params)
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diff changeset
198 -- FIXME
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diff changeset
199 -- Empty command for now
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parents: 326
diff changeset
200 end
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parents: 326
diff changeset
201
466
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diff changeset
202 function commands.JOIN(session, args)
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diff changeset
203 local channel = args[1];
326
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diff changeset
204 local room_jid = irc2muc(channel);
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diff changeset
205 print(session.full_jid);
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diff changeset
206 local room, err = c:join_room(room_jid, session.nick, { source = session.full_jid } );
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parents: 282
diff changeset
207 if not room then
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parents: 282
diff changeset
208 return ":"..session.host.." ERR :Could not join room: "..err
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parents: 282
diff changeset
209 end
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diff changeset
210 session.rooms[channel] = room;
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parents: 282
diff changeset
211 room.channel = channel;
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parents: 282
diff changeset
212 room.session = session;
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
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parents: 465
diff changeset
213 session.send{from=session.nick, "JOIN", channel};
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parents: 465
diff changeset
214 session.send{from=muc_server, 332, session.nick, channel ,"Connection in progress..."};
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parents: 465
diff changeset
215
326
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parents: 282
diff changeset
216 room:hook("message", function(event)
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parents: 282
diff changeset
217 if not event.body then return end
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parents: 282
diff changeset
218 local nick, body = event.nick, event.body;
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Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
219 if nick ~= session.nick then
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
220 if body:sub(1,4) == "/me " then
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parents: 282
diff changeset
221 body = "\1ACTION ".. body:sub(5) .. "\1"
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parents: 282
diff changeset
222 end
466
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Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
223 local type = event.stanza.attr.type;
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Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
224 session.send{from=nick, "PRIVMSG", type == "groupchat" and channel or nick, body};
329
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parents: 326
diff changeset
225 --FIXME PM's probably won't work
326
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parents: 282
diff changeset
226 end
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
227 end);
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Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
228 end
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parents: 282
diff changeset
229
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parents: 282
diff changeset
230 c:hook("groupchat/joined", function(room)
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parents: 282
diff changeset
231 local session = room.session or jids[room.opts.source];
335
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parents: 329
diff changeset
232 local channel = room.channel;
466
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parents: 465
diff changeset
233 session.send{from=session.nick.."!"..session.nick, "JOIN", channel};
335
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
234 session.send((":%s!%s JOIN %s :"):format(session.nick, session.nick, channel));
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
235 if room.topic then
466
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Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
236 session.send{from=muc_server, 332, room.topic};
335
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
237 end
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
238 commands.NAMES(session, channel)
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
239 if session.nick.role then
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
240 session.send{from=muc_server, "MODE", channel, session.nick, modemap[session.nick.role], session.nick}
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
241 end
335
8b81257c9dc5 mod_ircd: Don't allow any command until nick has been set. Split out NAMES into a command.
Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
242 room:hook("occupant-joined", function(nick)
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
243 session.send{from=nick.nick.."!"..nick.nick, "JOIN", channel};
335
8b81257c9dc5 mod_ircd: Don't allow any command until nick has been set. Split out NAMES into a command.
Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
244 if nick.role and modemap[nick.role] then
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
245 session.send{from=nick.nick.."!"..nick.nick, "MODE", channel, modemap[nick.role], nick.nick};
326
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parents: 282
diff changeset
246 end
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Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
247 end);
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parents: 282
diff changeset
248 room:hook("occupant-left", function(nick)
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
249 session.send{from=nick.nick.."!"..nick.nick, "PART", room.channel};
326
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parents: 282
diff changeset
250 end);
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Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
251 end);
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
252
335
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
253 function commands.NAMES(session, channel)
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
254 local nicks = { };
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
255 local room = session.rooms[channel];
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
256 if not room then return end
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
257 -- TODO Break this out into commands.NAMES
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parents: 329
diff changeset
258 for nick, n in pairs(room.occupants) do
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Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
259 if n.role and rolemap[n.role] then
8b81257c9dc5 mod_ircd: Don't allow any command until nick has been set. Split out NAMES into a command.
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260 nick = rolemap[n.role] .. nick;
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diff changeset
261 end
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262 table.insert(nicks, nick);
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diff changeset
263 end
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264 nicks = table.concat(nicks, " ");
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265 session.send((":%s 353 %s = %s :%s"):format(session.host, session.nick, channel, nicks));
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266 session.send((":%s 366 %s %s :End of /NAMES list."):format(session.host, session.nick, channel));
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diff changeset
267 session.send(":"..session.host.." 353 "..session.nick.." = "..channel.." :"..nicks);
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parents: 329
diff changeset
268 end
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parents: 329
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269
466
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diff changeset
270 function commands.PART(session, args)
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271 local channel, part_message = unpack(args);
132
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parents: 111
diff changeset
272 channel = channel:match("^([%S]*)");
326
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273 session.rooms[channel]:leave(part_message);
132
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diff changeset
274 session.send(":"..session.nick.." PART :"..channel);
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275 end
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276
466
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diff changeset
277 function commands.PRIVMSG(session, args)
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278 local channel, message = unpack(args);
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279 if message and #message > 0 then
326
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280 if message:sub(1,8) == "\1ACTION " then
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parents: 282
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281 message = "/me ".. message:sub(9,-2)
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parents: 282
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282 end
466
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diff changeset
283 -- TODO clean out invalid chars
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284 if channel:sub(1,1) == "#" then
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285 if session.rooms[channel] then
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286 module:log("debug", "%s sending PRIVMSG \"%s\" to %s", session.nick, message, channel);
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287 session.rooms[channel]:send_message(message);
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288 end
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289 else -- private message
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diff changeset
290 local nick = channel;
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291 module:log("debug", "PM to %s", nick);
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diff changeset
292 for channel, room in pairs(session.rooms) do
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293 module:log("debug", "looking for %s in %s", nick, channel);
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diff changeset
294 if room.occupants[nick] then
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diff changeset
295 module:log("debug", "found %s in %s", nick, channel);
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296 local who = room.occupants[nick];
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297 -- FIXME PMs in verse
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298 --room:send_private_message(nick, message);
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diff changeset
299 local pm = st.message({type="chat",to=who.jid}, message);
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300 module:log("debug", "sending PM to %s: %s", nick, tostring(pm));
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parents: 465
diff changeset
301 room:send(pm)
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parents: 465
diff changeset
302 break
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parents: 465
diff changeset
303 end
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parents: 465
diff changeset
304 end
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parents: 465
diff changeset
305 end
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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306 end
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parents:
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307 end
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parents:
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308
466
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parents: 465
diff changeset
309 function commands.PING(session, args)
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parents: 465
diff changeset
310 session.send{from=muc_server, "PONG", args[1]};
132
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Florian Zeitz <florob@babelmonkeys.de>
parents: 111
diff changeset
311 end
d4ff1cd414e5 mod_ircd: Add PING command / Echo PART back
Florian Zeitz <florob@babelmonkeys.de>
parents: 111
diff changeset
312
466
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parents: 465
diff changeset
313 function commands.WHO(session, args)
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
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parents: 465
diff changeset
314 local channel = args[1];
326
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diff changeset
315 if session.rooms[channel] then
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diff changeset
316 local room = session.rooms[channel]
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diff changeset
317 for nick in pairs(room.occupants) do
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
318 --n=MattJ 91.85.191.50 irc.freenode.net MattJ H :0 Matthew Wild
466
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parents: 465
diff changeset
319 session.send{from=muc_server, 352, session.nick, channel, nick, nick, muc_server, nick, "H", "0 "..nick}
111
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parents:
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320 end
466
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diff changeset
321 session.send{from=muc_server, 315, session.nick, channel, "End of /WHO list"};
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
322 end
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
323 end
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
324
466
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parents: 465
diff changeset
325 function commands._MODE(session, args) -- FIXME
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parents: 465
diff changeset
326 local channel, target = unpack(args);
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
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parents: 465
diff changeset
327 if target then
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
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parents: 465
diff changeset
328 -- do stuff?
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
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parents: 465
diff changeset
329 --room:set_affiliation(...)
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
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diff changeset
330 else
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
331 -- What's 324? And +J ?
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
332 session.send{from=muc_server, 324, session.nick, channel, "+J"}
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parents: 465
diff changeset
333 end
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
334 end
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
335
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
336 function commands.QUIT(session, args)
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
337 session.send{"ERROR", "Closing Link: "..session.nick};
329
febfb59502fc mod_ircd: Add QUIT command.
Kim Alvefur <zash@zash.se>
parents: 326
diff changeset
338 for _, room in pairs(session.rooms) do
466
0fcd34ee7301 mod_ircd: Proper line parsing and generating. Fix PMs
Kim Alvefur <zash@zash.se>
parents: 465
diff changeset
339 room:leave(args[1]);
329
febfb59502fc mod_ircd: Add QUIT command.
Kim Alvefur <zash@zash.se>
parents: 326
diff changeset
340 end
335
8b81257c9dc5 mod_ircd: Don't allow any command until nick has been set. Split out NAMES into a command.
Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
341 jids[session.full_jid] = nil;
8b81257c9dc5 mod_ircd: Don't allow any command until nick has been set. Split out NAMES into a command.
Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
342 nicks[session.nick] = nil;
8b81257c9dc5 mod_ircd: Don't allow any command until nick has been set. Split out NAMES into a command.
Kim Alvefur <zash@zash.se>
parents: 329
diff changeset
343 sessions[session.conn] = nil;
329
febfb59502fc mod_ircd: Add QUIT command.
Kim Alvefur <zash@zash.se>
parents: 326
diff changeset
344 session:close();
febfb59502fc mod_ircd: Add QUIT command.
Kim Alvefur <zash@zash.se>
parents: 326
diff changeset
345 end
326
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
346
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
347 function commands.RAW(session, data)
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
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parents: 282
diff changeset
348 --c:send(data)
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
349 end
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
350
465
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
351 local function desetup()
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
352 require "net.connlisteners".deregister("irc");
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
353 end
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
354
326
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
355 --c:hook("ready", function ()
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parents: 282
diff changeset
356 require "net.connlisteners".register("irc", irc_listener);
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
357 require "net.connlisteners".start("irc");
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
358 --end);
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
359
465
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
360 module:hook("module-unloaded", desetup)
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
361
030404dd7609 mod_ircd: Better nameing, squishy.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
362
326
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
363 --print("Starting loop...")
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
364 --verse.loop()
282abba844e8 mod_ircd: Partial rewrite, use verse for MUC
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
365
111
3de60860adca mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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parents:
diff changeset
366