forked from GNUsocial/gnu-social
de55d8f83b
lib/plugin.php now has a parent onAutoload function that finds most common
files that are used in plugins (actions, dataobjects, forms, libs etc.) if
they are put in the standardised directories ('actions', 'classes', 'forms',
'lib' and perhaps some others in the future).
359 lines
11 KiB
PHP
359 lines
11 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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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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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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/**
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* IRC background connection manager for IRC-using queue handlers,
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* allowing them to send outgoing messages on the right connection.
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*
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* Input is handled during socket select loop, Any incoming messages will be handled.
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*
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* In a multi-site queuedaemon.php run, one connection will be instantiated
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* for each site being handled by the current process that has IRC enabled.
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*/
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class IrcManager extends ImManager {
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protected $conn = null;
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protected $lastPing = null;
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protected $messageWaiting = true;
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protected $lastMessage = null;
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protected $regChecks = array();
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protected $regChecksLookup = array();
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protected $connected = false;
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/**
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* Initialize connection to server.
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*
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* @return boolean true on success
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*/
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public function start($master) {
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if (parent::start($master)) {
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$this->connect();
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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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* Return any open sockets that the run loop should listen
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* for input on.
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*
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* @return array Array of socket resources
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*/
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public function getSockets() {
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$this->connect();
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if ($this->conn) {
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return $this->conn->getSockets();
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} else {
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return array();
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}
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}
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/**
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* Request a maximum timeout for listeners before the next idle period.
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*
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* @return integer Maximum timeout
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*/
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public function timeout() {
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if ($this->messageWaiting) {
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return 1;
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} else {
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return $this->plugin->pinginterval;
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}
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}
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/**
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* Idle processing for io manager's execution loop.
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*
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* @return void
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*/
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public function idle() {
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// Send a ping if necessary
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if (empty($this->lastPing) || time() - $this->lastPing > $this->plugin->pinginterval) {
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$this->sendPing();
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}
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if ($this->connected) {
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// Send a waiting message if appropriate
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if ($this->messageWaiting && time() - $this->lastMessage > 1) {
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$wm = Irc_waiting_message::top();
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if ($wm === NULL) {
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$this->messageWaiting = false;
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return;
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}
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$data = unserialize($wm->data);
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$wm->incAttempts();
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if ($this->send_raw_message($data)) {
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$wm->delete();
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} else {
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if ($wm->attempts <= common_config('queue', 'max_retries')) {
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// Try again next idle
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$wm->releaseClaim();
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} else {
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// Exceeded the maximum number of retries
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$wm->delete();
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}
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}
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}
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}
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}
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/**
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* Process IRC events that have come in over the wire.
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*
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* @param resource $socket Socket to handle input on
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* @return void
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*/
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public function handleInput($socket) {
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common_log(LOG_DEBUG, 'Servicing the IRC queue.');
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$this->stats('irc_process');
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try {
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$this->conn->handleEvents();
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} catch (Phergie_Driver_Exception $e) {
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$this->connected = false;
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$this->conn->reconnect();
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}
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}
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/**
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* Initiate connection
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*
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* @return void
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*/
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public function connect() {
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if (!$this->conn) {
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$this->conn = new Phergie_StatusnetBot;
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$config = new Phergie_Config;
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$config->readArray(
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array(
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'connections' => array(
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array(
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'host' => $this->plugin->host,
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'port' => $this->plugin->port,
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'username' => $this->plugin->username,
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'realname' => $this->plugin->realname,
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'nick' => $this->plugin->nick,
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'password' => $this->plugin->password,
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'transport' => $this->plugin->transporttype,
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'encoding' => $this->plugin->encoding
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)
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),
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'driver' => 'statusnet',
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'processor' => 'async',
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'processor.options' => array('sec' => 0, 'usec' => 0),
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'plugins' => array(
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'Pong',
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'NickServ',
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'AutoJoin',
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'Statusnet',
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),
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'plugins.autoload' => true,
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// Uncomment to enable debugging output
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//'ui.enabled' => true,
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'nickserv.password' => $this->plugin->nickservpassword,
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'nickserv.identify_message' => $this->plugin->nickservidentifyregexp,
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'autojoin.channels' => $this->plugin->channels,
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'statusnet.messagecallback' => array($this, 'handle_irc_message'),
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'statusnet.regcallback' => array($this, 'handle_reg_response'),
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'statusnet.connectedcallback' => array($this, 'handle_connected'),
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'statusnet.unregregexp' => $this->plugin->unregregexp,
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'statusnet.regregexp' => $this->plugin->regregexp
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)
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);
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$this->conn->setConfig($config);
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$this->conn->connect();
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$this->lastPing = time();
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$this->lastMessage = time();
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}
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return $this->conn;
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}
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/**
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* Called via a callback when a message is received
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* Passes it back to the queuing system
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*
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* @param array $data Data
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* @return boolean
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*/
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public function handle_irc_message($data) {
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$this->plugin->enqueueIncomingRaw($data);
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return true;
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}
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/**
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* Called via a callback when NickServ responds to
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* the bots query asking if a nick is registered
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*
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* @param array $data Data
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* @return void
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*/
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public function handle_reg_response($data) {
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// Retrieve data
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$screenname = $data['screenname'];
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$nickdata = $this->regChecks[$screenname];
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$usernick = $nickdata['user']->nickname;
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if (isset($this->regChecksLookup[$usernick])) {
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if ($data['registered']) {
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// Send message
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$this->plugin->sendConfirmationCode($screenname, $nickdata['code'], $nickdata['user'], true);
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} else {
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// TRANS: Message given when using an unregistered IRC nickname.
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$this->plugin->sendMessage($screenname, _m('Your nickname is not registered so IRC connectivity cannot be enabled.'));
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$confirm = new Confirm_address();
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$confirm->user_id = $user->id;
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$confirm->address_type = $this->plugin->transport;
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if ($confirm->find(true)) {
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$result = $confirm->delete();
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if (!$result) {
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common_log_db_error($confirm, 'DELETE', __FILE__);
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// TRANS: Server error thrown on database error when deleting IRC nickname confirmation.
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$this->serverError(_m('Could not delete confirmation.'));
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return;
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}
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}
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}
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// Unset lookup value
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unset($this->regChecksLookup[$usernick]);
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// Unset data
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unset($this->regChecks[$screename]);
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}
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}
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/**
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* Called when the connection is established
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*
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* @return void
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*/
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public function handle_connected() {
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$this->connected = true;
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}
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/**
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* Enters a message into the database for sending when ready
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*
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* @param string $command Command
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* @param array $args Arguments
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* @return boolean
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*/
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protected function enqueue_waiting_message($data) {
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$wm = new Irc_waiting_message();
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$wm->data = serialize($data);
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$wm->prioritise = $data['prioritise'];
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$wm->attempts = 0;
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$wm->created = common_sql_now();
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$result = $wm->insert();
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if (!$result) {
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common_log_db_error($wm, 'INSERT', __FILE__);
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// TRANS: Server exception thrown when an IRC waiting queue item could not be added to the database.
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throw new ServerException(_m('Database error inserting IRC waiting queue item.'));
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}
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return true;
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}
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/**
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* Send a message using the daemon
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*
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* @param $data Message data
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* @return boolean true on success
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*/
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public function send_raw_message($data) {
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$this->connect();
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if (!$this->conn) {
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return false;
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}
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if ($data['type'] != 'delayedmessage') {
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if ($data['type'] != 'message') {
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// Nick checking
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$nickdata = $data['nickdata'];
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$usernick = $nickdata['user']->nickname;
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$screenname = $nickdata['screenname'];
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// Cancel any existing checks for this user
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if (isset($this->regChecksLookup[$usernick])) {
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unset($this->regChecks[$this->regChecksLookup[$usernick]]);
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}
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$this->regChecks[$screenname] = $nickdata;
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$this->regChecksLookup[$usernick] = $screenname;
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}
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// If there is a backlog or we need to wait, queue the message
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if ($this->messageWaiting || time() - $this->lastMessage < 1) {
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$this->enqueue_waiting_message(
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array(
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'type' => 'delayedmessage',
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'prioritise' => $data['prioritise'],
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'data' => $data['data']
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)
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);
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$this->messageWaiting = true;
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return true;
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}
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}
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try {
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$this->conn->send($data['data']['command'], $data['data']['args']);
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} catch (Phergie_Driver_Exception $e) {
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$this->connected = false;
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$this->conn->reconnect();
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return false;
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}
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$this->lastMessage = time();
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return true;
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}
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/**
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* Sends a ping
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*
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* @return void
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*/
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protected function sendPing() {
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$this->lastPing = time();
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$this->conn->send('PING', $this->lastPing);
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}
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}
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