diff options
Diffstat (limited to 'plugins/Irc/IrcPlugin.php')
-rw-r--r-- | plugins/Irc/IrcPlugin.php | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/plugins/Irc/IrcPlugin.php b/plugins/Irc/IrcPlugin.php new file mode 100644 index 000000000..7a53e5cbf --- /dev/null +++ b/plugins/Irc/IrcPlugin.php @@ -0,0 +1,396 @@ +<?php +/** + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2010, StatusNet, Inc. + * + * Send and receive notices using an IRC network + * + * PHP version 5 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * @category IM + * @package StatusNet + * @author Luke Fitzgerald <lw.fitzgerald@googlemail.com> + * @copyright 2010 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 + * @link http://status.net/ + */ + +if (!defined('STATUSNET')) { + // This check helps protect against security problems; + // your code file can't be executed directly from the web. + exit(1); +} + +// We bundle the Phergie library... +set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/phergie'); + +/** + * Plugin for IRC + * + * @category Plugin + * @package StatusNet + * @author Luke Fitzgerald <lw.fitzgerald@googlemail.com> + * @copyright 2010 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 + * @link http://status.net/ + */ + +class IrcPlugin extends ImPlugin { + public $host = null; + public $port = null; + public $username = null; + public $realname = null; + public $nick = null; + public $password = null; + public $nickservidentifyregexp = null; + public $nickservpassword = null; + public $channels = null; + public $transporttype = null; + public $encoding = null; + public $pinginterval = null; + + public $regcheck = null; + public $unregregexp = null; + public $regregexp = null; + + public $transport = 'irc'; + protected $whiteList; + protected $fake_irc; + + /** + * Get the internationalized/translated display name of this IM service + * + * @return string Name of service + */ + public function getDisplayName() { + return _m('IRC'); + } + + /** + * Normalize a screenname for comparison + * + * @param string $screenname Screenname to normalize + * @return string An equivalent screenname in normalized form + */ + public function normalize($screenname) { + $screenname = str_replace(" ","", $screenname); + return strtolower($screenname); + } + + /** + * Get the screenname of the daemon that sends and receives messages + * + * @return string Screenname + */ + public function daemonScreenname() { + return $this->nick; + } + + /** + * Validate (ensure the validity of) a screenname + * + * @param string $screenname Screenname to validate + * @return boolean true if screenname is valid + */ + public function validate($screenname) { + if (preg_match('/\A[a-z0-9\-_]{1,1000}\z/i', $screenname)) { + return true; + } else { + return false; + } + } + + /** + * Load related modules when needed + * + * @param string $cls Name of the class to be loaded + * @return boolean hook value; true means continue processing, false means stop. + */ + public function onAutoload($cls) { + $dir = dirname(__FILE__); + + switch ($cls) { + case 'IrcManager': + include_once $dir . '/'.strtolower($cls).'.php'; + return false; + case 'Fake_Irc': + case 'Irc_waiting_message': + case 'ChannelResponseChannel': + include_once $dir . '/'. $cls .'.php'; + return false; + default: + if (substr($cls, 0, 7) == 'Phergie') { + include_once str_replace('_', DIRECTORY_SEPARATOR, $cls) . '.php'; + return false; + } + return true; + } + } + + /* + * Start manager on daemon start + * + * @param array &$versions Array to insert manager into + * @return boolean + */ + public function onStartImDaemonIoManagers(&$classes) { + parent::onStartImDaemonIoManagers(&$classes); + $classes[] = new IrcManager($this); // handles sending/receiving + return true; + } + + /** + * Ensure the database table is present + * + */ + public function onCheckSchema() { + $schema = Schema::get(); + + // For storing messages while sessions become ready + $schema->ensureTable('irc_waiting_message', + array(new ColumnDef('id', 'integer', null, + false, 'PRI', null, null, true), + new ColumnDef('data', 'blob', null, false), + new ColumnDef('prioritise', 'tinyint', 1, false), + new ColumnDef('attempts', 'integer', null, false), + new ColumnDef('created', 'datetime', null, false), + new ColumnDef('claimed', 'datetime'))); + + return true; + } + + /** + * Get a microid URI for the given screenname + * + * @param string $screenname Screenname + * @return string microid URI + */ + public function microiduri($screenname) { + return 'irc:' . $screenname; + } + + /** + * Send a message to a given screenname + * + * @param string $screenname Screenname to send to + * @param string $body Text to send + * @return boolean true on success + */ + public function sendMessage($screenname, $body) { + $lines = explode("\n", $body); + foreach ($lines as $line) { + $this->fake_irc->doPrivmsg($screenname, $line); + $this->enqueueOutgoingRaw(array('type' => 'message', 'prioritise' => 0, 'data' => $this->fake_irc->would_be_sent)); + } + return true; + } + + /** + * Accept a queued input message. + * + * @return boolean true if processing completed, false if message should be reprocessed + */ + public function receiveRawMessage($data) { + if (strpos($data['source'], '#') === 0) { + $message = $data['message']; + $parts = explode(' ', $message, 2); + $command = $parts[0]; + if (in_array($command, $this->whiteList)) { + $this->handle_channel_incoming($data['sender'], $data['source'], $message); + } else { + $this->handleIncoming($data['sender'], $message); + } + } else { + $this->handleIncoming($data['sender'], $data['message']); + } + return true; + } + + /** + * Helper for handling incoming messages from a channel requiring response + * to the channel instead of via PM + * + * @param string $nick Screenname the message was sent from + * @param string $channel Channel the message originated from + * @param string $message Message text + * @param boolean true on success + */ + protected function handle_channel_incoming($nick, $channel, $notice_text) { + $user = $this->getUser($nick); + // For common_current_user to work + global $_cur; + $_cur = $user; + + if (!$user) { + $this->sendFromSite($nick, 'Unknown user; go to ' . + common_local_url('imsettings') . + ' to add your address to your account'); + common_log(LOG_WARNING, 'Message from unknown user ' . $nick); + return; + } + if ($this->handle_channel_command($user, $channel, $notice_text)) { + common_log(LOG_INFO, "Command message by $nick handled."); + return; + } else if ($this->isAutoreply($notice_text)) { + common_log(LOG_INFO, 'Ignoring auto reply from ' . $nick); + return; + } else if ($this->isOtr($notice_text)) { + common_log(LOG_INFO, 'Ignoring OTR from ' . $nick); + return; + } else { + common_log(LOG_INFO, 'Posting a notice from ' . $user->nickname); + $this->addNotice($nick, $user, $notice_text); + } + + $user->free(); + unset($user); + unset($_cur); + unset($message); + } + + /** + * Attempt to handle a message from a channel as a command + * + * @param User $user User the message is from + * @param string $channel Channel the message originated from + * @param string $body Message text + * @return boolean true if the message was a command and was executed, false if it was not a command + */ + protected function handle_channel_command($user, $channel, $body) { + $inter = new CommandInterpreter(); + $cmd = $inter->handle_command($user, $body); + if ($cmd) { + $chan = new ChannelResponseChannel($this, $channel); + $cmd->execute($chan); + return true; + } else { + return false; + } + } + + /** + * Send a confirmation code to a user + * + * @param string $screenname screenname sending to + * @param string $code the confirmation code + * @param User $user user sending to + * @return boolean success value + */ + public function sendConfirmationCode($screenname, $code, $user, $checked = false) { + $body = sprintf(_('User "%s" on %s has said that your %s screenname belongs to them. ' . + 'If that\'s true, you can confirm by clicking on this URL: ' . + '%s' . + ' . (If you cannot click it, copy-and-paste it into the ' . + 'address bar of your browser). If that user isn\'t you, ' . + 'or if you didn\'t request this confirmation, just ignore this message.'), + $user->nickname, common_config('site', 'name'), $this->getDisplayName(), common_local_url('confirmaddress', array('code' => $code))); + + if ($this->regcheck && !$checked) { + return $this->checked_sendConfirmationCode($screenname, $code, $user); + } else { + return $this->sendMessage($screenname, $body); + } + } + + /** + * Only sends the confirmation message if the nick is + * registered + * + * @param string $screenname Screenname sending to + * @param string $code The confirmation code + * @param User $user User sending to + * @return boolean true on succes + */ + public function checked_sendConfirmationCode($screenname, $code, $user) { + $this->fake_irc->doPrivmsg('NickServ', 'INFO '.$screenname); + $this->enqueueOutgoingRaw( + array( + 'type' => 'nickcheck', + 'prioritise' => 1, + 'data' => $this->fake_irc->would_be_sent, + 'nickdata' => + array( + 'screenname' => $screenname, + 'code' => $code, + 'user' => $user + ) + ) + ); + return true; + } + + /** + * Initialize plugin + * + * @return boolean + */ + public function initialize() { + if (!isset($this->host)) { + throw new Exception('must specify a host'); + } + if (!isset($this->username)) { + throw new Exception('must specify a username'); + } + if (!isset($this->realname)) { + throw new Exception('must specify a "real name"'); + } + if (!isset($this->nick)) { + throw new Exception('must specify a nickname'); + } + + if (!isset($this->port)) { + $this->port = 6667; + } + if (!isset($this->transporttype)) { + $this->transporttype = 'tcp'; + } + if (!isset($this->encoding)) { + $this->encoding = 'UTF-8'; + } + if (!isset($this->pinginterval)) { + $this->pinginterval = 120; + } + + if (!isset($this->regcheck)) { + $this->regcheck = true; + } + + $this->fake_irc = new Fake_Irc; + + /* + * Commands allowed to return output to a channel + */ + $this->whiteList = array('stats', 'last', 'get'); + + return true; + } + + /** + * Get plugin information + * + * @param array $versions Array to insert information into + * @return void + */ + public function onPluginVersion(&$versions) { + $versions[] = array('name' => 'IRC', + 'version' => STATUSNET_VERSION, + 'author' => 'Luke Fitzgerald', + 'homepage' => 'http://status.net/wiki/Plugin:IRC', + 'rawdescription' => + _m('The IRC plugin allows users to send and receive notices over an IRC network.')); + return true; + } +} |