322 lines
8.7 KiB
PHP
322 lines
8.7 KiB
PHP
<?php
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/**
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* XMPPHP: The PHP XMPP Library
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* Copyright (C) 2008 Nathanael C. Fritz
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* This file is part of SleekXMPP.
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*
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* XMPPHP is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* XMPPHP 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with XMPPHP; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category xmpphp
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* @package XMPPHP
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* @author Nathanael C. Fritz <JID: fritzy@netflint.net>
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* @author Stephan Wentz <JID: stephan@jabber.wentz.it>
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* @copyright 2008 Nathanael C. Fritz
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*/
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/** XMPPHP_XMLStream */
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require_once "XMLStream.php";
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/**
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* XMPPHP Main Class
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*
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* @category xmpphp
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* @package XMPPHP
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* @author Nathanael C. Fritz <JID: fritzy@netflint.net>
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* @author Stephan Wentz <JID: stephan@jabber.wentz.it>
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* @copyright 2008 Nathanael C. Fritz
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* @version $Id$
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*/
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class XMPPHP_XMPP extends XMPPHP_XMLStream {
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/**
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* @var string
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*/
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protected $server;
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/**
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* @var string
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*/
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protected $user;
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/**
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* @var string
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*/
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protected $password;
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/**
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* @var string
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*/
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protected $resource;
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/**
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* @var string
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*/
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protected $fulljid;
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/**
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* @var string
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*/
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protected $basejid;
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/**
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* @var boolean
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*/
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protected $authed = false;
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/**
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* @var boolean
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*/
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protected $auto_subscribe = false;
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/**
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* @var boolean
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*/
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protected $use_encryption = true;
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/**
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* Constructor
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*
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* @param string $host
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* @param integer $port
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* @param string $user
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* @param string $password
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* @param string $resource
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* @param string $server
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* @param boolean $printlog
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* @param string $loglevel
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*/
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public function __construct($host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null) {
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parent::__construct($host, $port, $printlog, $loglevel);
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$this->user = $user;
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$this->password = $password;
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$this->resource = $resource;
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if(!$server) $server = $host;
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$this->basejid = $this->user . '@' . $this->host;
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$this->stream_start = '<stream:stream to="' . $server . '" xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0">';
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$this->stream_end = '</stream:stream>';
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$this->default_ns = 'jabber:client';
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$this->addHandler('features', 'http://etherx.jabber.org/streams', 'features_handler');
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$this->addHandler('success', 'urn:ietf:params:xml:ns:xmpp-sasl', 'sasl_success_handler');
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$this->addHandler('failure', 'urn:ietf:params:xml:ns:xmpp-sasl', 'sasl_failure_handler');
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$this->addHandler('proceed', 'urn:ietf:params:xml:ns:xmpp-tls', 'tls_proceed_handler');
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$this->addHandler('message', 'jabber:client', 'message_handler');
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$this->addHandler('presence', 'jabber:client', 'presence_handler');
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}
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/**
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* Turn encryption on/ff
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*
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* @param boolean $useEncryption
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*/
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public function useEncryption($useEncryption = true) {
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$this->use_encryption = $useEncryption;
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}
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/**
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* Turn on auto-authorization of subscription requests.
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*
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* @param boolean $autoSubscribe
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*/
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public function autoSubscribe($autoSubscribe = true) {
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$this->auto_subscribe = $autoSubscribe;
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}
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/**
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* Send XMPP Message
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*
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* @param string $to
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* @param string $body
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* @param string $type
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* @param string $subject
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*/
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public function message($to, $body, $type = 'chat', $subject = null, $payload = null) {
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$to = htmlspecialchars($to);
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$body = htmlspecialchars($body);
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$subject = htmlspecialchars($subject);
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$out = "<message from='{$this->fulljid}' to='$to' type='$type'>";
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if($subject) $out .= "<subject>$subject</subject>";
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$out .= "<body>$body</body>";
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if($payload) $out .= $payload;
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$out .= "</message>";
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$this->send($out);
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}
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/**
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* Set Presence
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*
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* @param string $status
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* @param string $show
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* @param string $to
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*/
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public function presence($status = null, $show = 'available', $to = null, $type='available') {
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if($type == 'available') $type = '';
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$to = htmlspecialchars($to);
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$status = htmlspecialchars($status);
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if($show == 'unavailable') $type = 'unavailable';
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$out = "<presence";
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if($to) $out .= " to='$to'";
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if($type) $out .= " type='$type'";
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if($show == 'available' and !$status) {
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$out .= "/>";
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} else {
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$out .= ">";
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if($show != 'available') $out .= "<show>$show</show>";
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if($status) $out .= "<status>$status</status>";
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$out .= "</presence>";
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}
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$this->send($out);
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}
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/**
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* Message handler
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*
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* @param string $xml
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*/
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public function message_handler($xml) {
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if(isset($xml->attrs['type'])) {
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$payload['type'] = $xml->attrs['type'];
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} else {
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$payload['type'] = 'chat';
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}
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$payload['from'] = $xml->attrs['from'];
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$payload['body'] = $xml->sub('body')->data;
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$this->log->log("Message: {$xml->sub('body')->data}", XMPPHP_Log::LEVEL_DEBUG);
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$this->event('message', $payload);
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}
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/**
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* Presence handler
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*
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* @param string $xml
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*/
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public function presence_handler($xml) {
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$payload['type'] = (isset($xml->attrs['type'])) ? $xml->attrs['type'] : 'available';
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$payload['show'] = (isset($xml->sub('show')->data)) ? $xml->sub('show')->data : $payload['type'];
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$payload['from'] = $xml->attrs['from'];
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$payload['status'] = (isset($xml->sub('status')->data)) ? $xml->sub('status')->data : '';
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$this->log->log("Presence: {$payload['from']} [{$payload['show']}] {$payload['status']}", XMPPHP_Log::LEVEL_DEBUG);
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if(array_key_exists('type', $xml->attrs) and $xml->attrs['type'] == 'subscribe') {
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if($this->auto_subscribe) $this->send("<presence type='subscribed' to='{$xml->attrs['from']}' from='{$this->fulljid}' /><presence type='subscribe' to='{$xml->attrs['from']}' from='{$this->fulljid}' />");
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$this->event('subscription_requested', $payload);
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} elseif(array_key_exists('type', $xml->attrs) and $xml->attrs['type'] == 'subscribed') {
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$this->event('subscription_accepted', $payload);
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} else {
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$this->event('presence', $payload);
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}
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}
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/**
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* Features handler
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*
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* @param string $xml
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*/
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protected function features_handler($xml) {
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if($xml->hasSub('starttls') and $this->use_encryption) {
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$this->send("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'><required /></starttls>");
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} elseif($xml->hasSub('bind')) {
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$id = $this->getId();
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$this->addIdHandler($id, 'resource_bind_handler');
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$this->send("<iq xmlns=\"jabber:client\" type=\"set\" id=\"$id\"><bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"><resource>{$this->resource}</resource></bind></iq>");
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} else {
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$this->log->log("Attempting Auth...");
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$this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>" . base64_encode("\x00" . $this->user . "\x00" . $this->password) . "</auth>");
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}
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}
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/**
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* SASL success handler
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*
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* @param string $xml
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*/
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protected function sasl_success_handler($xml) {
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$this->log->log("Auth success!");
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$this->authed = true;
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$this->reset();
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}
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/**
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* SASL feature handler
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*
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* @param string $xml
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*/
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protected function sasl_failure_handler($xml) {
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$this->log->log("Auth failed!", XMPPHP_Log::LEVEL_ERROR);
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$this->disconnect();
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throw new XMPPHP_Exception('Auth failed!');
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}
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/**
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* Resource bind handler
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*
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* @param string $xml
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*/
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protected function resource_bind_handler($xml) {
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if($xml->attrs['type'] == 'result') {
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$this->log->log("Bound to " . $xml->sub('bind')->sub('jid')->data);
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$this->fulljid = $xml->sub('bind')->sub('jid')->data;
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}
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$id = $this->getId();
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$this->addIdHandler($id, 'session_start_handler');
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$this->send("<iq xmlns='jabber:client' type='set' id='$id'><session xmlns='urn:ietf:params:xml:ns:xmpp-session' /></iq>");
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}
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/**
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* Retrieves the roster
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*
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*/
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public function getRoster() {
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$id = $this->getID();
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$this->addIdHandler($id, 'roster_get_handler');
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$this->send("<iq xmlns='jabber:client' type='get' id='$id'><query xmlns='jabber:iq:roster' /></iq>");
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}
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/**
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* Roster retrieval handler
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*
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* @param string $xml
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*/
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protected function roster_get_handler($xml) {
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// TODO: make this work
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}
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/**
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* Session start handler
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*
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* @param string $xml
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*/
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protected function session_start_handler($xml) {
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$this->log->log("Session started");
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$this->event('session_start');
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}
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/**
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* TLS proceed handler
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*
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* @param string $xml
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*/
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protected function tls_proceed_handler($xml) {
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$this->log->log("Starting TLS encryption");
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stream_socket_enable_crypto($this->socket, true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT);
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$this->reset();
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}
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}
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