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authorsteckbrief <steckbrief@chefmail.de>2017-01-09 20:42:43 +0100
committersteckbrief <steckbrief@chefmail.de>2017-01-09 20:42:43 +0100
commit4743fe3c6090a8e409ba7e26fbae53ef6e4d1892 (patch)
tree55415952c81e84138f79de0d8da530df075d3c58 /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
+ *
+ * @category xmpphp
+ * @package XMPPHP
+ * @author Nathanael C. Fritz <JID: fritzy@netflint.net>
+ * @author Stephan Wentz <JID: stephan@jabber.wentz.it>
+ * @author Michael Garvin <JID: gar@netflint.net>
+ * @author Alexander Birkner (https://github.com/BirknerAlex)
+ * @copyright 2008 Nathanael C. Fritz
+ */
+/**
+ * XMPPHP Main Class
+ *
+ * @category xmpphp
+ * @package XMPPHP
+ * @author Nathanael C. Fritz <JID: fritzy@netflint.net>
+ * @author Stephan Wentz <JID: stephan@jabber.wentz.it>
+ * @author Michael Garvin <JID: gar@netflint.net>
+ * @copyright 2008 Nathanael C. Fritz
+ * @version $Id$
+ */
+class XMPP extends XMLStream {
+ /**
+ * @var string
+ */
+ public $server;
+ /**
+ * @var string
+ */
+ public $user;
+
+ /**
+ * @var string
+ */
+ protected $password;
+
+ /**
+ * @var string
+ */
+ protected $resource;
+
+ /**
+ * @var string
+ */
+ protected $fulljid;
+
+ /**
+ * @var string
+ */
+ protected $basejid;
+
+ /**
+ * @var boolean
+ */
+ protected $authed = false;
+ protected $session_started = false;
+
+ /**
+ * @var boolean
+ */
+ protected $auto_subscribe = false;
+
+ /**
+ * @var boolean
+ */
+ protected $use_encryption = true;
+
+ /**
+ * @var boolean
+ */
+ public $track_presence = true;
+
+ /**
+ * @var object
+ */
+ public $roster;
+ /**
+ * 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->roster = new Roster();
+ $this->track_presence = true;
+ $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->addXPathHandler('{http://etherx.jabber.org/streams}features', 'features_handler');
+ $this->addXPathHandler('{urn:ietf:params:xml:ns:xmpp-sasl}success', 'sasl_success_handler');
+ $this->addXPathHandler('{urn:ietf:params:xml:ns:xmpp-sasl}failure', 'sasl_failure_handler');
+ $this->addXPathHandler('{urn:ietf:params:xml:ns:xmpp-tls}proceed', 'tls_proceed_handler');
+ $this->addXPathHandler('{jabber:client}message', 'message_handler');
+ $this->addXPathHandler('{jabber:client}presence', 'presence_handler');
+ $this->addXPathHandler('iq/{jabber:iq:roster}query', 'roster_iq_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, $payload = null) {
+ if ($this->disconnected) {
+ throw new XMPPException('You need to connect first');
+ }
+ if(empty($type)) {
+ $type = 'chat';
+ }
+ $to = htmlspecialchars($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', $priority=null) {
+ if ($this->disconnected) {
+ throw new XMPPException('You need to connect first');
+ }
+ 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 and $priority !== null) {
+ $out .= "/>";
+ } else {
+ $out .= ">";
+ if($show != 'available') $out .= "<show>$show</show>";
+ if($status) $out .= "<status>$status</status>";
+ if($priority !== null) $out .= "<priority>$priority</priority>";
+ $out .= "</presence>";
+ }
+
+ $this->send($out);
+ }
+ /**
+ * Send Auth request
+ *
+ * @param string $jid
+ */
+ public function subscribe($jid) {
+ $this->send("<presence type='subscribe' to='{$jid}' from='{$this->fulljid}' />");
+ #$this->send("<presence type='subscribed' to='{$jid}' from='{$this->fulljid}' />");
+ }
+ /**
+ * Message handler
+ *
+ * @param string $xml
+ */
+ public function message_handler($xml) {
+ if(isset($xml->attrs['type'])) {
+ $payload['type'] = $xml->attrs['type'];
+ } else {
+ $payload['type'] = 'chat';
+ }
+ $body = $xml->sub('body');
+ $payload['from'] = $xml->attrs['from'];
+ $payload['body'] = is_object($body) ? $body->data : FALSE; // $xml->sub('body')->data;
+ $payload['xml'] = $xml;
+ $this->log->log("Message: {$payload['body']}", XMPPLog::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 : '';
+ $payload['priority'] = (isset($xml->sub('priority')->data)) ? intval($xml->sub('priority')->data) : 0;
+ $payload['xml'] = $xml;
+ if($this->track_presence) {
+ $this->roster->setPresence($payload['from'], $payload['priority'], $payload['show'], $payload['status']);
+ }
+ $this->log->log("Presence: {$payload['from']} [{$payload['show']}] {$payload['status']}", XMPPLog::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}' />");
+ $this->send("<presence type='subscribe' to='{$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') and $this->authed) {
+ $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 {
+ $this->log->log("Attempting Auth...");
+ if ($this->password) {
+ $this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>" . base64_encode("\x00" . $this->user . "\x00" . $this->password) . "</auth>");
+ } else {
+ $this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='ANONYMOUS'/>");
+ }
+ }
+ }
+ /**
+ * 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!", XMPPLog::LEVEL_ERROR);
+ $this->disconnect();
+
+ throw new XMPPException('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;
+ $jidarray = explode('/',$this->fulljid);
+ $this->jid = $jidarray[0];
+ }
+ $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();
+ $this->send("<iq xmlns='jabber:client' type='get' id='$id'><query xmlns='jabber:iq:roster' /></iq>");
+ }
+ /**
+ * Roster iq handler
+ * Gets all packets matching XPath "iq/{jabber:iq:roster}query'
+ *
+ * @param string $xml
+ */
+ protected function roster_iq_handler($xml) {
+ $status = "result";
+ $xmlroster = $xml->sub('query');
+ foreach($xmlroster->subs as $item) {
+ $groups = array();
+ if ($item->name == 'item') {
+ $jid = $item->attrs['jid']; //REQUIRED
+ $name = $item->attrs['name']; //MAY
+ $subscription = $item->attrs['subscription'];
+ foreach($item->subs as $subitem) {
+ if ($subitem->name == 'group') {
+ $groups[] = $subitem->data;
+ }
+ }
+ $contacts[] = array($jid, $subscription, $name, $groups); //Store for action if no errors happen
+ } else {
+ $status = "error";
+ }
+ }
+ if ($status == "result") { //No errors, add contacts
+ foreach($contacts as $contact) {
+ $this->roster->addContact($contact[0], $contact[1], $contact[2], $contact[3]);
+ }
+ }
+ if ($xml->attrs['type'] == 'set') {
+ $this->send("<iq type=\"reply\" id=\"{$xml->attrs['id']}\" to=\"{$xml->attrs['from']}\" />");
+ }
+ }
+ /**
+ * Session start handler
+ *
+ * @param string $xml
+ */
+ protected function session_start_handler($xml) {
+ $this->log->log("Session started");
+ $this->session_started = true;
+ $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);
+ $this->reset();
+ }
+ /**
+ * Retrieves the vcard
+ *
+ */
+ public function getVCard($jid = Null) {
+ $id = $this->getID();
+ $this->addIdHandler($id, 'vcard_get_handler');
+ if($jid) {
+ $this->send("<iq type='get' id='$id' to='$jid'><vCard xmlns='vcard-temp' /></iq>");
+ } else {
+ $this->send("<iq type='get' id='$id'><vCard xmlns='vcard-temp' /></iq>");
+ }
+ }
+ /**
+ * VCard retrieval handler
+ *
+ * @param XML Object $xml
+ */
+ protected function vcard_get_handler($xml) {
+ $vcard_array = array();
+ $vcard = $xml->sub('vcard');
+ // go through all of the sub elements and add them to the vcard array
+ foreach ($vcard->subs as $sub) {
+ if ($sub->subs) {
+ $vcard_array[$sub->name] = array();
+ foreach ($sub->subs as $sub_child) {
+ $vcard_array[$sub->name][$sub_child->name] = $sub_child->data;
+ }
+ } else {
+ $vcard_array[$sub->name] = $sub->data;
+ }
+ }
+ $vcard_array['from'] = $xml->attrs['from'];
+ $this->event('vcard', $vcard_array);
+ }
+}