server/irc/server.js

   1 var util    = require('util'),
   2     EventBinder  = require('./eventbinder.js'),
   3     _ = require('lodash');
   4
   5 var IrcServer = function (irc_connection) {
   6     this.irc_connection = irc_connection;
   7
   8     this.list_buffer = [];
   9     this.motd_buffer = '';
  10
  11     this.irc_events = {
  12         connect:                onConnect,
  13         options:                onOptions,
  14         list_start:             onListStart,
  15         list_channel:           onListChannel,
  16         list_end:               onListEnd,
  17         motd_start:             onMotdStart,
  18         motd:                   onMotd,
  19         motd_end:               onMotdEnd,
  20         error:                  onError,
  21         password_mismatch:      onPasswordMismatch,
  22         channel_redirect:       onChannelRedirect,
  23         no_such_nick:           onNoSuchNick,
  24         cannot_send_to_channel: onCannotSendToChan,
  25         too_many_channels:      onTooManyChannels,
  26         user_not_in_channel:    onUserNotInChannel,
  27         not_on_channel:         onNotOnChannel,
  28         channel_is_full:        onChannelIsFull,
  29         invite_only_channel:    onInviteOnlyChannel,
  30         banned_from_channel:    onBannedFromChannel,
  31         bad_channel_key:        onBadChannelKey,
  32         chanop_privs_needed:    onChanopPrivsNeeded,
  33         nickname_in_use:        onNicknameInUse
  34     };
  35     EventBinder.bindIrcEvents('server *', this.irc_events, this, this.irc_connection);
  36
  37
  38 };
  39
  40
  41 module.exports = IrcServer;
  42
  43
  44 IrcServer.prototype.dispose = function (){
  45     EventBinder.unbindIrcEvents('server *', this.irc_events, this.irc_connection);
  46     this.irc_connection = undefined;
  47 };
  48
  49
  50
  51 function onConnect(event) {
  52     this.irc_connection.clientEvent('connect', {
  53         nick: event.nick
  54     });
  55 };
  56
  57 function onOptions(event) {
  58     this.irc_connection.clientEvent('options', {
  59         options: event.options,
  60         cap: event.cap
  61     });
  62 };
  63
  64 function onListStart(event) {
  65     this.irc_connection.clientEvent('list_start', {});
  66     this.list_buffer = [];
  67     this.busy_listing = true;
  68 };
  69
  70 function onListChannel(event) {
  71     var buf;
  72     if (!this.busy_listing) {
  73       onListStart.call(this);
  74     }
  75     this.list_buffer.push({
  76         channel: event.channel,
  77         num_users: event.num_users,
  78         topic: event.topic
  79     });
  80
  81     if (this.list_buffer.length > 200) {
  82         buf = _.sortBy(this.list_buffer, function (channel) {
  83             // sortBy sorts in ascending order, we want to sort by descending, hence using 0 - num_users.
  84             return 0 - channel.num_users;
  85         });
  86         this.irc_connection.clientEvent('list_channel', {
  87             chans: buf
  88         });
  89         this.list_buffer = [];
  90     }
  91 };
  92
  93 function onListEnd(event) {
  94     var buf;
  95
  96     buf = _.sortBy(this.list_buffer, function (channel) {
  97         // sortBy sorts in ascending order, we want to sort by descending, hence using 0 - num_users.
  98         return 0 - channel.num_users;
  99     });
 100     this.irc_connection.clientEvent('list_channel', {
 101         chans: buf
 102     });
 103     this.list_buffer = [];
 104     this.busy_listing = false;
 105
 106     this.irc_connection.clientEvent('list_end', {});
 107 };
 108
 109 function onMotdStart(event) {
 110     this.motd_buffer = '';
 111 };
 112
 113 function onMotd(event) {
 114     this.motd_buffer += event.motd;
 115 };
 116
 117 function onMotdEnd(event) {
 118     this.irc_connection.clientEvent('motd', {
 119         msg: this.motd_buffer
 120     });
 121 };
 122
 123 function onError(event) {
 124     this.irc_connection.clientEvent('irc_error', {
 125         error: 'error',
 126         reason: event.reason
 127     });
 128 };
 129
 130 function onPasswordMismatch(event) {
 131     this.irc_connection.clientEvent('irc_error', {
 132         error: 'password_mismatch'
 133     });
 134 }
 135
 136 function onChannelRedirect(event) {
 137     this.irc_connection.clientEvent('channel_redirect', {
 138         from: event.from,
 139         to: event.to
 140     });
 141 };
 142
 143 function onNoSuchNick(event) {
 144     this.irc_connection.clientEvent('irc_error', {
 145         error: 'no_such_nick',
 146         nick: event.nick,
 147         reason: event.reason
 148     });
 149 };
 150
 151 function onCannotSendToChan(event) {
 152     this.irc_connection.clientEvent('irc_error', {
 153         error: 'cannot_send_to_chan',
 154         channel: event.channel,
 155         reason: event.reason
 156     });
 157 };
 158
 159 function onTooManyChannels(event) {
 160     this.irc_connection.clientEvent('irc_error', {
 161         error: 'too_many_channels',
 162         channel: event.channel,
 163         reason: event.reason
 164     });
 165 };
 166
 167 function onUserNotInChannel(event) {
 168     this.irc_connection.clientEvent('irc_error', {
 169         error: 'user_not_in_channel',
 170         nick: event.nick,
 171         channel: event.channel,
 172         reason: event.reason
 173     });
 174 };
 175
 176 function onNotOnChannel(event) {
 177     this.irc_connection.clientEvent('irc_error', {
 178         error: 'not_on_channel',
 179         channel: event.channel,
 180         reason: event.reason
 181     });
 182 };
 183
 184 function onChannelIsFull(event) {
 185     this.irc_connection.clientEvent('irc_error', {
 186         error: 'channel_is_full',
 187         channel: event.channel,
 188         reason: event.reason
 189     });
 190 };
 191
 192 function onInviteOnlyChannel(event) {
 193     this.irc_connection.clientEvent('irc_error', {
 194         error: 'invite_only_channel',
 195         channel: event.channel,
 196         reason: event.reason
 197     });
 198 };
 199
 200 function onBannedFromChannel(event) {
 201     this.irc_connection.clientEvent('irc_error', {
 202         error: 'banned_from_channel',
 203         channel: event.channel,
 204         reason: event.reason
 205     });
 206 };
 207
 208 function onBadChannelKey(event) {
 209     this.irc_connection.clientEvent('irc_error', {
 210         error: 'bad_channel_key',
 211         channel: event.channel,
 212         reason: event.reason
 213     });
 214 };
 215
 216 function onChanopPrivsNeeded(event) {
 217     this.irc_connection.clientEvent('irc_error', {
 218         error: 'chanop_privs_needed',
 219         channel: event.channel,
 220         reason: event.reason
 221     });
 222 };
 223
 224 function onNicknameInUse(event) {
 225     this.irc_connection.clientEvent('irc_error', {
 226         error: 'nickname_in_use',
 227         nick: event.nick,
 228         reason: event.reason
 229     });
 230 };