xmpphp/xmpp.php

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<?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
*/
require_once("xmlobj.php");
require_once("xmlstream.php");
require_once("logging.php");
class XMPP extends XMLStream {
var $server;
var $user;
var $password;
var $resource;
var $fulljid;
function XMPP($host, $port, $user, $password, $resource, $server=Null, $printlog=False, $loglevel=Null) {
$this->XMLStream($host, $port, $loglevel, $loglevel);
$this->user = $user;
$this->password = $password;
$this->resource = $resource;
if(!$server) $server = $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->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->default_ns = 'jabber:client';
$this->addHandler('message', 'jabber:client', 'message_handler');
$this->addHandler('presence', 'jabber:client', 'presence_handler');
}
function message_handler($xml) {
$payload['type'] = $xml->attrs['type'];
if(!$paytload['type']) $payload['type'] = 'chat';
$payload['from'] = $xml->attrs['from'];
$payload['body'] = $xml->sub('body')->data;
$this->log->log("Message: {$xml->sub('body')->data}", LOGGING_DEBUG);
$this->event('message', $payload);
}
function message($to, $body, $type='chat', $subject=Null) {
$to = htmlentities($to);
$body = htmlentities($body);
$subject = htmlentities($subject);
$out = "<message from='{$this->fulljid}' to='$to' type='$type'>";
if($subject) $out .= "<subject>$subject</subject>";
$out .= "<body>$body</body></message>";
$this->send($out);
}
function presence($status=Null, $show='available', $to=Null) {
$to = htmlentities($to);
$status = htmlentities($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);
}
function presence_handler($xml) {
$payload['type'] = $xml->attrs['type'];
if(!$payload['type']) $payload['type'] = 'available';
$payload['show'] = $xml->sub('show')->data;
if(!$payload['show']) $payload['show'] = $payload['type'];
$payload['from'] = $xml->attrs['from'];
$payload['status'] = $xml->sub('status')->data;
$this->log->log("Presence: {$payload['from']} [{$payload['show']}] {$payload['status']}", LOGGING_DEBUG);
$this->event('presence', $payload);
}
function features_handler($xml) {
if($xml->hassub('starttls')) {
$this->send("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'><required /></starttls>");
} elseif($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" . $this->password) . "</auth>");
}
}
function sasl_success_handler($xml) {
$this->log->log("Auth success!");
$this->reset();
}
function sasl_failure_handler($xml) {
$this->log->log("Auth failed!", LOGGING_ERROR);
}
function resource_bind_handler($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>");
}
function session_start_handler($xml) {
$this->log->log("Session started");
$this->event('session_start');
}
function tls_proceed_handler($xml) {
$this->log->log("Starting TLS encryption");
stream_socket_enable_crypto($this->socket, True, STREAM_CRYPTO_METHOD_TLS_CLIENT);
$this->reset();
}
}
?>