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