gnu-social/plugins/Irc/IrcPlugin.php

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<?php
/**
* 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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*
* 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);
}
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// 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;
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public $password = null;
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public $nickservidentifyregexp = null;
public $nickservpassword = null;
public $channels = null;
public $transporttype = null;
public $encoding = null;
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public $regcheck = null;
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public $unregregexp = null;
public $regregexp = null;
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public $transport = 'irc';
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protected $whiteList;
protected $fake_irc;
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/**
* Get the internationalized/translated display name of this IM service
*
* @return string Name of service
*/
public function getDisplayName() {
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return _m('IRC');
}
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/**
* Normalize a screenname for comparison
*
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* @param string $screenname Screenname to normalize
* @return string An equivalent screenname in normalized form
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*/
public function normalize($screenname) {
$screenname = str_replace(" ","", $screenname);
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return strtolower($screenname);
}
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/**
* Get the screenname of the daemon that sends and receives messages
*
* @return string Screenname
*/
public function daemon_screenname() {
return $this->nick;
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}
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/**
* Validate (ensure the validity of) a screenname
*
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* @param string $screenname Screenname to validate
* @return boolean true if screenname is valid
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*/
public function validate($screenname) {
if (preg_match('/\A[a-z0-9\-_]{1,1000}\z/i', $screenname)) {
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return true;
} else {
return false;
}
}
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
* @return boolean hook value; true means continue processing, false means stop.
*/
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public function onAutoload($cls) {
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$dir = dirname(__FILE__);
switch ($cls) {
case 'IrcManager':
include_once $dir . '/'.strtolower($cls).'.php';
return false;
case 'Fake_Irc':
case 'ChannelResponseChannel':
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include_once $dir . '/'. $cls .'.php';
return false;
default:
if (substr($cls, 0, 7) == 'Phergie') {
include_once str_replace('_', DIRECTORY_SEPARATOR, $cls) . '.php';
return false;
}
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return true;
}
}
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/*
* Start manager on daemon start
*
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* @param array &$versions Array to insert manager into
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* @return boolean
*/
public function onStartImDaemonIoManagers(&$classes) {
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parent::onStartImDaemonIoManagers(&$classes);
$classes[] = new IrcManager($this); // handles sending/receiving
return true;
}
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/**
* Get a microid URI for the given screenname
*
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* @param string $screenname Screenname
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* @return string microid URI
*/
public function microiduri($screenname) {
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return 'irc:' . $screenname;
}
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/**
* Send a message to a given screenname
*
* @param string $screenname Screenname to send to
* @param string $body Text to send
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* @return boolean true on success
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*/
public function send_message($screenname, $body) {
$lines = explode("\n", $body);
foreach ($lines as $line) {
$this->fake_irc->doPrivmsg($screenname, $line);
$this->enqueue_outgoing_raw(array('type' => 'message', 'data' => $this->fake_irc->would_be_sent));
}
return true;
}
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/**
* Accept a queued input message.
*
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* @return boolean true if processing completed, false if message should be reprocessed
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*/
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public function receive_raw_message($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 {
$this->handle_incoming($data['sender'], $message);
}
} else {
$this->handle_incoming($data['sender'], $data['message']);
}
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return true;
}
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/**
* 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 = $this->get_user($nick);
// For common_current_user to work
global $_cur;
$_cur = $user;
if (!$user) {
$this->send_from_site($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->is_autoreply($notice_text)) {
common_log(LOG_INFO, 'Ignoring auto reply from ' . $nick);
return;
} else if ($this->is_otr($notice_text)) {
common_log(LOG_INFO, 'Ignoring OTR from ' . $nick);
return;
} else {
common_log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
$this->add_notice($nick, $user, $notice_text);
}
$user->free();
unset($user);
unset($_cur);
unset($message);
}
/**
* Attempt to handle a message from a channel as a command
*
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* @param User $user User the message is from
* @param string $channel Channel the message originated from
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* @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 $user user sending to
* @return boolean success value
*/
public function send_confirmation_code($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 $this->checked_send_confirmation_code($screenname, $code, $user);
} else {
return $this->send_message($screenname, $body);
}
}
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/**
* Only sends the confirmation message if the nick is
* registered
*
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* @param string $screenname Screenname sending to
* @param string $code The confirmation code
* @param User $user User sending to
* @return boolean true on succes
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*/
public function checked_send_confirmation_code($screenname, $code, $user) {
$this->fake_irc->doPrivmsg('NickServ', 'INFO '.$screenname);
$this->enqueue_outgoing_raw(
array(
'type' => 'nickcheck',
'data' => $this->fake_irc->would_be_sent,
'nickdata' =>
array(
'screenname' => $screenname,
'code' => $code,
'user' => $user
)
)
);
return true;
}
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/**
* Initialize plugin
*
* @return boolean
*/
public function initialize() {
if (!isset($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"');
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}
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if (!isset($this->nick)) {
throw new Exception('must specify a nickname');
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}
if (!isset($this->port)) {
$this->port = 6667;
}
if (!isset($this->transporttype)) {
$this->transporttype = 'tcp';
}
if (!isset($this->encoding)) {
$this->encoding = 'UTF-8';
}
if (!isset($this->regcheck)) {
$this->regcheck = true;
}
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$this->fake_irc = new Fake_Irc;
/*
* Commands allowed to return output to a channel
*/
$this->whiteList = array('stats', 'last', 'get');
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return true;
}
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/**
* Get plugin information
*
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* @param array $versions Array to insert information into
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* @return void
*/
public function onPluginVersion(&$versions) {
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$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;
}
}