forked from GNUsocial/gnu-social
397 lines
13 KiB
PHP
397 lines
13 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* Send and receive notices using an IRC network
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category IM
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* @package StatusNet
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* @author Luke Fitzgerald <lw.fitzgerald@googlemail.com>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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// We bundle the Phergie library...
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set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/phergie');
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/**
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* Plugin for IRC
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*
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* @category Plugin
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* @package StatusNet
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* @author Luke Fitzgerald <lw.fitzgerald@googlemail.com>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class IrcPlugin extends ImPlugin {
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public $host = null;
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public $port = null;
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public $username = null;
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public $realname = null;
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public $nick = null;
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public $password = null;
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public $nickservidentifyregexp = null;
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public $nickservpassword = null;
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public $channels = null;
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public $transporttype = null;
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public $encoding = null;
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public $pinginterval = null;
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public $regcheck = null;
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public $unregregexp = null;
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public $regregexp = null;
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public $transport = 'irc';
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protected $whiteList;
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protected $fake_irc;
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/**
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* Get the internationalized/translated display name of this IM service
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*
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* @return string Name of service
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*/
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public function getDisplayName() {
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return _m('IRC');
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}
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/**
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* Normalize a screenname for comparison
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*
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* @param string $screenname Screenname to normalize
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* @return string An equivalent screenname in normalized form
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*/
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public function normalize($screenname) {
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$screenname = str_replace(" ","", $screenname);
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return strtolower($screenname);
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}
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/**
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* Get the screenname of the daemon that sends and receives messages
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*
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* @return string Screenname
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*/
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public function daemonScreenname() {
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return $this->nick;
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}
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/**
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* Validate (ensure the validity of) a screenname
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*
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* @param string $screenname Screenname to validate
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* @return boolean true if screenname is valid
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*/
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public function validate($screenname) {
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if (preg_match('/\A[a-z0-9\-_]{1,1000}\z/i', $screenname)) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Load related modules when needed
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*
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* @param string $cls Name of the class to be loaded
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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public function onAutoload($cls) {
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$dir = dirname(__FILE__);
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switch ($cls) {
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case 'IrcManager':
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include_once $dir . '/'.strtolower($cls).'.php';
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return false;
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case 'Fake_Irc':
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case 'Irc_waiting_message':
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case 'ChannelResponseChannel':
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include_once $dir . '/'. $cls .'.php';
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return false;
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default:
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if (substr($cls, 0, 7) == 'Phergie') {
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include_once str_replace('_', DIRECTORY_SEPARATOR, $cls) . '.php';
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return false;
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}
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return true;
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}
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}
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/*
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* Start manager on daemon start
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*
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* @param array &$versions Array to insert manager into
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* @return boolean
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*/
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public function onStartImDaemonIoManagers(&$classes) {
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parent::onStartImDaemonIoManagers(&$classes);
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$classes[] = new IrcManager($this); // handles sending/receiving
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return true;
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}
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/**
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* Ensure the database table is present
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*
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*/
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public function onCheckSchema() {
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$schema = Schema::get();
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// For storing messages while sessions become ready
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$schema->ensureTable('irc_waiting_message',
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array(new ColumnDef('id', 'integer', null,
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false, 'PRI', null, null, true),
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new ColumnDef('data', 'blob', null, false),
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new ColumnDef('prioritise', 'tinyint', 1, false),
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new ColumnDef('attempts', 'integer', null, false),
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new ColumnDef('created', 'datetime', null, false),
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new ColumnDef('claimed', 'datetime')));
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return true;
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}
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/**
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* Get a microid URI for the given screenname
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*
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* @param string $screenname Screenname
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* @return string microid URI
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*/
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public function microiduri($screenname) {
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return 'irc:' . $screenname;
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}
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/**
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* Send a message to a given screenname
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*
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* @param string $screenname Screenname to send to
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* @param string $body Text to send
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* @return boolean true on success
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*/
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public function sendMessage($screenname, $body) {
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$lines = explode("\n", $body);
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foreach ($lines as $line) {
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$this->fake_irc->doPrivmsg($screenname, $line);
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$this->enqueueOutgoingRaw(array('type' => 'message', 'prioritise' => 0, 'data' => $this->fake_irc->would_be_sent));
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}
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return true;
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}
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/**
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* Accept a queued input message.
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*
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* @return boolean true if processing completed, false if message should be reprocessed
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*/
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public function receiveRawMessage($data) {
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if (strpos($data['source'], '#') === 0) {
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$message = $data['message'];
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$parts = explode(' ', $message, 2);
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$command = $parts[0];
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if (in_array($command, $this->whiteList)) {
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$this->handle_channel_incoming($data['sender'], $data['source'], $message);
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} else {
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$this->handleIncoming($data['sender'], $message);
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}
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} else {
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$this->handleIncoming($data['sender'], $data['message']);
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}
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return true;
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}
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/**
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* Helper for handling incoming messages from a channel requiring response
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* to the channel instead of via PM
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*
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* @param string $nick Screenname the message was sent from
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* @param string $channel Channel the message originated from
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* @param string $message Message text
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* @param boolean true on success
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*/
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protected function handle_channel_incoming($nick, $channel, $notice_text) {
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$user = $this->getUser($nick);
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// For common_current_user to work
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global $_cur;
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$_cur = $user;
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if (!$user) {
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$this->sendFromSite($nick, 'Unknown user; go to ' .
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common_local_url('imsettings') .
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' to add your address to your account');
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common_log(LOG_WARNING, 'Message from unknown user ' . $nick);
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return;
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}
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if ($this->handle_channel_command($user, $channel, $notice_text)) {
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common_log(LOG_INFO, "Command message by $nick handled.");
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return;
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} else if ($this->isAutoreply($notice_text)) {
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common_log(LOG_INFO, 'Ignoring auto reply from ' . $nick);
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return;
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} else if ($this->isOtr($notice_text)) {
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common_log(LOG_INFO, 'Ignoring OTR from ' . $nick);
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return;
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} else {
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common_log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
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$this->addNotice($nick, $user, $notice_text);
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}
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$user->free();
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unset($user);
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unset($_cur);
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unset($message);
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}
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/**
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* Attempt to handle a message from a channel as a command
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*
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* @param User $user User the message is from
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* @param string $channel Channel the message originated from
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* @param string $body Message text
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* @return boolean true if the message was a command and was executed, false if it was not a command
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*/
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protected function handle_channel_command($user, $channel, $body) {
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$inter = new CommandInterpreter();
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$cmd = $inter->handle_command($user, $body);
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if ($cmd) {
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$chan = new ChannelResponseChannel($this, $channel);
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$cmd->execute($chan);
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return true;
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} else {
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return false;
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}
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}
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/**
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* Send a confirmation code to a user
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*
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* @param string $screenname screenname sending to
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* @param string $code the confirmation code
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* @param User $user user sending to
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* @return boolean success value
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*/
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public function sendConfirmationCode($screenname, $code, $user, $checked = false) {
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$body = sprintf(_m('User "%1$s" on %2$s has said that your %3$s screenname belongs to them. ' .
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'If that\'s true, you can confirm by clicking on this URL: ' .
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'%4$s' .
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' . (If you cannot click it, copy-and-paste it into the ' .
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'address bar of your browser). If that user is not you, ' .
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'or if you did not request this confirmation, just ignore this message.'),
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$user->nickname, common_config('site', 'name'), $this->getDisplayName(), common_local_url('confirmaddress', array('code' => $code)));
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if ($this->regcheck && !$checked) {
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return $this->checked_sendConfirmationCode($screenname, $code, $user);
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} else {
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return $this->sendMessage($screenname, $body);
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}
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}
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/**
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* Only sends the confirmation message if the nick is
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* registered
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*
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* @param string $screenname Screenname sending to
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* @param string $code The confirmation code
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* @param User $user User sending to
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* @return boolean true on succes
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*/
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public function checked_sendConfirmationCode($screenname, $code, $user) {
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$this->fake_irc->doPrivmsg('NickServ', 'INFO '.$screenname);
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$this->enqueueOutgoingRaw(
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array(
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'type' => 'nickcheck',
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'prioritise' => 1,
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'data' => $this->fake_irc->would_be_sent,
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'nickdata' =>
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array(
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'screenname' => $screenname,
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'code' => $code,
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'user' => $user
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)
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)
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);
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return true;
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}
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/**
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* Initialize plugin
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*
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* @return boolean
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*/
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public function initialize() {
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if (!isset($this->host)) {
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throw new Exception('must specify a host');
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}
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if (!isset($this->username)) {
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throw new Exception('must specify a username');
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}
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if (!isset($this->realname)) {
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throw new Exception('must specify a "real name"');
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}
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if (!isset($this->nick)) {
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throw new Exception('must specify a nickname');
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}
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if (!isset($this->port)) {
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$this->port = 6667;
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}
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if (!isset($this->transporttype)) {
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$this->transporttype = 'tcp';
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}
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if (!isset($this->encoding)) {
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$this->encoding = 'UTF-8';
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}
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if (!isset($this->pinginterval)) {
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$this->pinginterval = 120;
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}
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if (!isset($this->regcheck)) {
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$this->regcheck = true;
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}
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$this->fake_irc = new Fake_Irc;
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/*
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* Commands allowed to return output to a channel
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*/
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$this->whiteList = array('stats', 'last', 'get');
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return true;
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}
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/**
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* Get plugin information
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*
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* @param array $versions Array to insert information into
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* @return void
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*/
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public function onPluginVersion(&$versions) {
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$versions[] = array('name' => 'IRC',
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'version' => STATUSNET_VERSION,
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'author' => 'Luke Fitzgerald',
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'homepage' => 'http://status.net/wiki/Plugin:IRC',
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'rawdescription' =>
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_m('The IRC plugin allows users to send and receive notices over an IRC network.'));
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return true;
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}
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}
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