From 3290227b50582ed29790f0bb10210362ca2f4093 Mon Sep 17 00:00:00 2001
From: Diogo Cordeiro <diogo@fc.up.pt>
Date: Sun, 21 Apr 2019 01:23:50 +0100
Subject: [PATCH] Modern version of XMPPHP extlib Original XMPPHP is no longer
 maintained Therefore I've done some optimizations and imported some commits
 from birkner and zorn-v forks. None of the forks really looked ready to be
 adopted...

---
 lib/implugin.php                         |    2 +-
 plugins/Xmpp/XmppPlugin.php              |  344 +++--
 plugins/Xmpp/extlib/XMPPHP/BOSH.php      |  547 +++++---
 plugins/Xmpp/extlib/XMPPHP/Exception.php |   34 +-
 plugins/Xmpp/extlib/XMPPHP/Log.php       |  188 +--
 plugins/Xmpp/extlib/XMPPHP/Roster.php    |  287 ++--
 plugins/Xmpp/extlib/XMPPHP/XMLObj.php    |  278 ++--
 plugins/Xmpp/extlib/XMPPHP/XMLStream.php | 1509 +++++++++++-----------
 plugins/Xmpp/extlib/XMPPHP/XMPP.php      |  859 ++++++------
 plugins/Xmpp/extlib/XMPPHP/XMPP_Old.php  |  114 --
 plugins/Xmpp/lib/queuedxmpp.php          |   48 +-
 plugins/Xmpp/lib/sharingxmpp.php         |    8 +-
 plugins/Xmpp/lib/xmppmanager.php         |  180 ++-
 13 files changed, 2318 insertions(+), 2080 deletions(-)
 delete mode 100644 plugins/Xmpp/extlib/XMPPHP/XMPP_Old.php

diff --git a/lib/implugin.php b/lib/implugin.php
index 457c9dba52..74bb593fd2 100644
--- a/lib/implugin.php
+++ b/lib/implugin.php
@@ -525,7 +525,7 @@ abstract class ImPlugin extends Plugin
     {
         // If we don't require CLI mode, or if we do and GNUSOCIAL_CLI _is_ set, then connect the transports
         // This check is made mostly because some IM plugins can't deliver to transports unless they
-        // have continously running daemons (such as XMPP) and we can't have that over HTTP requests.
+        // have continuously running daemons (such as XMPP) and we can't have that over HTTP requests.
         if (!$this->requires_cli || defined('GNUSOCIAL_CLI')) {
             $manager->connect($this->transport . '-in', new ImReceiverQueueHandler($this), 'im');
             $manager->connect($this->transport, new ImQueueHandler($this));
diff --git a/plugins/Xmpp/XmppPlugin.php b/plugins/Xmpp/XmppPlugin.php
index da20504329..933e5c3982 100644
--- a/plugins/Xmpp/XmppPlugin.php
+++ b/plugins/Xmpp/XmppPlugin.php
@@ -5,7 +5,7 @@
  *
  * Send and receive notices using the XMPP network
  *
- * PHP version 5
+ * PHP version 7
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -48,7 +48,7 @@ class XmppPlugin extends ImPlugin
 {
     public $server = null;
     public $port = 5222;
-    public $user =  'update';
+    public $user = 'update';
     public $resource = 'gnusocial';
     public $encryption = true;
     public $password = null;
@@ -57,22 +57,66 @@ class XmppPlugin extends ImPlugin
 
     public $transport = 'xmpp';
 
-    function getDisplayName(){
+    function getDisplayName()
+    {
         // TRANS: Plugin display name.
         return _m('XMPP/Jabber');
     }
 
+    function daemonScreenname()
+    {
+        $ret = $this->user . '@' . $this->server;
+        if ($this->resource) {
+            return $ret . '/' . $this->resource;
+        } else {
+            return $ret;
+        }
+    }
+
+    function validate($screenname)
+    {
+        return $this->validateBaseJid($screenname, common_config('email', 'check_domain'));
+    }
+
+    /**
+     * Checks whether a string is a syntactically valid base Jabber ID (JID).
+     * A base JID won't include a resource specifier on the end; since we
+     * take it off when reading input we can't really use them reliably
+     * to direct outgoing messages yet (sorry guys!)
+     *
+     * Note that a bare domain can be a valid JID.
+     *
+     * @param string $jid string to check
+     * @param bool $check_domain whether we should validate that domain...
+     *
+     * @return     boolean whether the string is a valid JID
+     */
+    protected function validateBaseJid($jid, $check_domain = false)
+    {
+        try {
+            $parts = $this->splitJid($jid);
+            if ($check_domain) {
+                if (!$this->checkDomain($parts['domain'])) {
+                    return false;
+                }
+            }
+            return ($parts['resource'] === null); // missing; empty ain't kosher
+        } catch (Exception $e) {
+            return false;
+        }
+    }
+
     /**
      * Splits a Jabber ID (JID) into node, domain, and resource portions.
      *
      * Based on validation routine submitted by:
-     * @copyright 2009 Patrick Georgi <patrick@georgi-clan.de>
-     * @license Licensed under ISC-L, which is compatible with everything else that keeps the copyright notice intact.
-     *
      * @param string $jid string to check
      *
      * @return array with "node", "domain", and "resource" indices
      * @throws Exception if input is not valid
+     * @license Licensed under ISC-L, which is compatible with everything else that keeps the copyright notice intact.
+     *
+     * @copyright 2009 Patrick Georgi <patrick@georgi-clan.de>
      */
     protected function splitJid($jid)
     {
@@ -109,10 +153,9 @@ class XmppPlugin extends ImPlugin
         $parts = explode("/", $jid, 2);
         if (count($parts) > 1) {
             $resource = $parts[1];
-            if ($resource == '') {
-                // Warning: empty resource isn't legit.
-                // But if we're normalizing, we may as well take it...
-            }
+            // if ($resource == '') then
+            // Warning: empty resource isn't legit.
+            // But if we're normalizing, we may as well take it...
         } else {
             $resource = null;
         }
@@ -128,7 +171,7 @@ class XmppPlugin extends ImPlugin
             $domain = $node[1];
             $node = $node[0];
             if ($node == '') {
-            // TRANS: Exception thrown when using @ sign not followed by a Jabber ID.
+                // TRANS: Exception thrown when using @ sign not followed by a Jabber ID.
                 throw new Exception(_m('Invalid JID: @ but no node'));
             }
         }
@@ -139,10 +182,10 @@ class XmppPlugin extends ImPlugin
                 // TRANS: Exception thrown when using too long a Jabber ID (>1023).
                 throw new Exception(_m('Invalid JID: node too long.'));
             }
-            if (preg_match("/[".$nodeprepchars."]/u", $node)) {
+            if (preg_match("/[" . $nodeprepchars . "]/u", $node)) {
                 // TRANS: Exception thrown when using an invalid Jabber ID.
                 // TRANS: %s is the invalid Jabber ID.
-                throw new Exception(sprintf(_m('Invalid JID node "%s".'),$node));
+                throw new Exception(sprintf(_m('Invalid JID node "%s".'), $node));
             }
         }
 
@@ -153,7 +196,7 @@ class XmppPlugin extends ImPlugin
         if (!common_valid_domain($domain)) {
             // TRANS: Exception thrown when using an invalid Jabber domain name.
             // TRANS: %s is the invalid domain name.
-            throw new Exception(sprintf(_m('Invalid JID domain name "%s".'),$domain));
+            throw new Exception(sprintf(_m('Invalid JID domain name "%s".'), $domain));
         }
 
         if ($resource !== null) {
@@ -161,96 +204,22 @@ class XmppPlugin extends ImPlugin
                 // TRANS: Exception thrown when using too long a resource (>1023).
                 throw new Exception("Invalid JID: resource too long.");
             }
-            if (preg_match("/[".$chars."]/u", $resource)) {
+            if (preg_match("/[" . $chars . "]/u", $resource)) {
                 // TRANS: Exception thrown when using an invalid Jabber resource.
                 // TRANS: %s is the invalid resource.
-                throw new Exception(sprintf(_m('Invalid JID resource "%s".'),$resource));
+                throw new Exception(sprintf(_m('Invalid JID resource "%s".'), $resource));
             }
         }
 
         return array('node' => is_null($node) ? null : mb_strtolower($node),
-                     'domain' => is_null($domain) ? null : mb_strtolower($domain),
-                     'resource' => $resource);
-    }
-
-    /**
-     * Checks whether a string is a syntactically valid Jabber ID (JID),
-     * either with or without a resource.
-     *
-     * Note that a bare domain can be a valid JID.
-     *
-     * @param string $jid string to check
-     * @param bool $check_domain whether we should validate that domain...
-     *
-     * @return     boolean whether the string is a valid JID
-     */
-    protected function validateFullJid($jid, $check_domain=false)
-    {
-        try {
-            $parts = $this->splitJid($jid);
-            if ($check_domain) {
-                if (!$this->checkDomain($parts['domain'])) {
-                    return false;
-                }
-            }
-            return $parts['resource'] !== ''; // missing or present; empty ain't kosher
-        } catch (Exception $e) {
-            return false;
-        }
-    }
-
-    /**
-     * Checks whether a string is a syntactically valid base Jabber ID (JID).
-     * A base JID won't include a resource specifier on the end; since we
-     * take it off when reading input we can't really use them reliably
-     * to direct outgoing messages yet (sorry guys!)
-     *
-     * Note that a bare domain can be a valid JID.
-     *
-     * @param string $jid string to check
-     * @param bool $check_domain whether we should validate that domain...
-     *
-     * @return     boolean whether the string is a valid JID
-     */
-    protected function validateBaseJid($jid, $check_domain=false)
-    {
-        try {
-            $parts = $this->splitJid($jid);
-            if ($check_domain) {
-                if (!$this->checkDomain($parts['domain'])) {
-                    return false;
-                }
-            }
-            return ($parts['resource'] === null); // missing; empty ain't kosher
-        } catch (Exception $e) {
-            return false;
-        }
-    }
-
-    /**
-     * Normalizes a Jabber ID for comparison, dropping the resource component if any.
-     *
-     * @param string $jid JID to check
-     * @param bool $check_domain if true, reject if the domain isn't findable
-     *
-     * @return string an equivalent JID in normalized (lowercase) form
-     */
-    function normalize($jid)
-    {
-        try {
-            $parts = $this->splitJid($jid);
-            if ($parts['node'] !== null) {
-                return $parts['node'] . '@' . $parts['domain'];
-            } else {
-                return $parts['domain'];
-            }
-        } catch (Exception $e) {
-            return null;
-        }
+            'domain' => is_null($domain) ? null : mb_strtolower($domain),
+            'resource' => $resource);
     }
 
     /**
      * Check if this domain's got some legit DNS record
+     * @param $domain
+     * @return bool
      */
     protected function checkDomain($domain)
     {
@@ -263,22 +232,6 @@ class XmppPlugin extends ImPlugin
         return false;
     }
 
-    function daemonScreenname()
-    {
-        $ret = $this->user . '@' . $this->server;
-        if($this->resource)
-        {
-            return $ret . '/' . $this->resource;
-        }else{
-            return $ret;
-        }
-    }
-
-    function validate($screenname)
-    {
-        return $this->validateBaseJid($screenname, common_config('email', 'check_domain'));
-    }
-
     /**
      * Load related modules when needed
      *
@@ -289,13 +242,10 @@ class XmppPlugin extends ImPlugin
 
     function onAutoload($cls)
     {
-        $dir = dirname(__FILE__);
-
-        switch ($cls)
-        {
-        case 'XMPPHP_XMPP':
-            require_once $dir . '/extlib/XMPPHP/XMPP.php';
-            return false;
+        switch ($cls) {
+            case 'XMPPHP_XMPP':
+                require_once __DIR__ . '/extlib/XMPPHP/XMPP.php';
+                return false;
         }
 
         return parent::onAutoload($cls);
@@ -313,10 +263,51 @@ class XmppPlugin extends ImPlugin
         $this->queuedConnection()->message($screenname, $body, 'chat');
     }
 
+    /**
+     * Build a queue-proxied XMPP interface object. Any outgoing messages
+     * will be run back through us for enqueing rather than sent directly.
+     *
+     * @return QueuedXMPP
+     * @throws Exception if server settings are invalid.
+     */
+    function queuedConnection()
+    {
+        if (!isset($this->server)) {
+            // TRANS: Exception thrown when the plugin configuration is incorrect.
+            throw new Exception(_m('You must specify a server in the configuration.'));
+        }
+        if (!isset($this->port)) {
+            // TRANS: Exception thrown when the plugin configuration is incorrect.
+            throw new Exception(_m('You must specify a port in the configuration.'));
+        }
+        if (!isset($this->user)) {
+            // TRANS: Exception thrown when the plugin configuration is incorrect.
+            throw new Exception(_m('You must specify a user in the configuration.'));
+        }
+        if (!isset($this->password)) {
+            // TRANS: Exception thrown when the plugin configuration is incorrect.
+            throw new Exception(_m('You must specify a password in the configuration.'));
+        }
+
+        return new QueuedXMPP($this, $this->host ?
+            $this->host :
+            $this->server,
+            $this->port,
+            $this->user,
+            $this->password,
+            $this->resource,
+            $this->server,
+            $this->debug ?
+                true : false,
+            $this->debug ?
+                \XMPPHP\Log::LEVEL_VERBOSE : null
+        );
+    }
+
     function sendNotice($screenname, Notice $notice)
     {
         try {
-            $msg   = $this->formatNotice($notice);
+            $msg = $this->formatNotice($notice);
             $entry = $this->format_entry($notice);
         } catch (Exception $e) {
             common_log(LOG_ERR, __METHOD__ . ": Discarding outgoing stanza because of exception: {$e->getMessage()}");
@@ -329,8 +320,7 @@ class XmppPlugin extends ImPlugin
     /**
      * extra information for XMPP messages, as defined by Twitter
      *
-     * @param Profile $profile Profile of the sending user
-     * @param Notice  $notice  Notice being sent
+     * @param Notice $notice Notice being sent
      *
      * @return string Extra information (Atom, HTML, addresses) in string format
      */
@@ -351,23 +341,18 @@ class XmppPlugin extends ImPlugin
             $xs->text(" => ");
             $xs->element('a', array('href' => $orig_profurl), $orig_profile->nickname);
             $xs->text(": ");
-        } catch (InvalidUrlException $e) {
-            $xs->text(sprintf(' => %s', $orig_profile->nickname));
         } catch (NoParentNoticeException $e) {
             $xs->text(": ");
-        } catch (NoResultException $e) {
-            // Parent notice was probably deleted.
-            $xs->text(": ");
         }
         // FIXME: Why do we replace \t with ''? is it just to make it pretty? shouldn't whitespace be handled well...?
         $xs->raw(str_replace("\t", "", $notice->getRendered()));
         $xs->text(" ");
         $xs->element('a', array(
-            'href'=>common_local_url('conversation',
-                array('id' => $notice->conversation)).'#notice-'.$notice->id),
-             // TRANS: Link description to notice in conversation.
-             // TRANS: %s is a notice ID.
-             sprintf(_m('[%u]'),$notice->id));
+            'href' => common_local_url('conversation',
+                    array('id' => $notice->conversation)) . '#notice-' . $notice->id),
+            // TRANS: Link description to notice in conversation.
+            // TRANS: %s is a notice ID.
+            sprintf(_m('[%u]'), $notice->id));
         $xs->elementEnd('body');
         $xs->elementEnd('html');
 
@@ -381,12 +366,12 @@ class XmppPlugin extends ImPlugin
         $from = $this->normalize($pl['from']);
 
         if ($pl['type'] != 'chat') {
-            $this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from: " . $pl['xml']->toString());
+            $this->log(LOG_WARNING, "Ignoring message of type " . $pl['type'] . " from $from: " . $pl['xml']->toString());
             return true;
         }
 
         if (mb_strlen($pl['body']) == 0) {
-            $this->log(LOG_WARNING, "Ignoring message with empty body from $from: "  . $pl['xml']->toString());
+            $this->log(LOG_WARNING, "Ignoring message with empty body from $from: " . $pl['xml']->toString());
             return true;
         }
 
@@ -396,43 +381,23 @@ class XmppPlugin extends ImPlugin
     }
 
     /**
-     * Build a queue-proxied XMPP interface object. Any outgoing messages
-     * will be run back through us for enqueing rather than sent directly.
+     * Normalizes a Jabber ID for comparison, dropping the resource component if any.
      *
-     * @return QueuedXMPP
-     * @throws Exception if server settings are invalid.
+     * @param string $jid JID to check
+     * @return string an equivalent JID in normalized (lowercase) form
      */
-    function queuedConnection(){
-        if(!isset($this->server)){
-            // TRANS: Exception thrown when the plugin configuration is incorrect.
-            throw new Exception(_m('You must specify a server in the configuration.'));
-        }
-        if(!isset($this->port)){
-            // TRANS: Exception thrown when the plugin configuration is incorrect.
-            throw new Exception(_m('You must specify a port in the configuration.'));
-        }
-        if(!isset($this->user)){
-            // TRANS: Exception thrown when the plugin configuration is incorrect.
-            throw new Exception(_m('You must specify a user in the configuration.'));
-        }
-        if(!isset($this->password)){
-            // TRANS: Exception thrown when the plugin configuration is incorrect.
-            throw new Exception(_m('You must specify a password in the configuration.'));
+    function normalize($jid)
+    {
+        try {
+            $parts = $this->splitJid($jid);
+            if ($parts['node'] !== null) {
+                return $parts['node'] . '@' . $parts['domain'];
+            } else {
+                return $parts['domain'];
+            }
+        } catch (Exception $e) {
+            return null;
         }
-
-        return new QueuedXMPP($this, $this->host ?
-                                    $this->host :
-                                    $this->server,
-                                    $this->port,
-                                    $this->user,
-                                    $this->password,
-                                    $this->resource,
-                                    $this->server,
-                                    $this->debug ?
-                                    true : false,
-                                    $this->debug ?
-                                    XMPPHP_Log::LEVEL_VERBOSE :  null
-                                    );
     }
 
     /**
@@ -444,10 +409,10 @@ class XmppPlugin extends ImPlugin
      */
     function onGetValidDaemons(&$daemons)
     {
-        if( isset($this->server) &&
-            isset($this->port)   &&
-            isset($this->user)   &&
-            isset($this->password) ){
+        if (isset($this->server) &&
+            isset($this->port) &&
+            isset($this->user) &&
+            isset($this->password)) {
 
             array_push(
                 $daemons,
@@ -459,17 +424,42 @@ class XmppPlugin extends ImPlugin
         return true;
     }
 
-
     function onPluginVersion(array &$versions)
     {
         $versions[] = array('name' => 'XMPP',
-                            'version' => GNUSOCIAL_VERSION,
-                            'author' => 'Craig Andrews, Evan Prodromou',
-                            'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/XMPP',
-                            'rawdescription' =>
-                            // TRANS: Plugin description.
-                            _m('The XMPP plugin allows users to send and receive notices over the XMPP/Jabber network.'));
+            'version' => GNUSOCIAL_VERSION,
+            'author' => 'Craig Andrews, Evan Prodromou',
+            'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/XMPP',
+            'rawdescription' =>
+            // TRANS: Plugin description.
+                _m('The XMPP plugin allows users to send and receive notices over the XMPP/Jabber network.'));
         return true;
     }
+
+    /**
+     * Checks whether a string is a syntactically valid Jabber ID (JID),
+     * either with or without a resource.
+     *
+     * Note that a bare domain can be a valid JID.
+     *
+     * @param string $jid string to check
+     * @param bool $check_domain whether we should validate that domain...
+     *
+     * @return     boolean whether the string is a valid JID
+     */
+    protected function validateFullJid($jid, $check_domain = false)
+    {
+        try {
+            $parts = $this->splitJid($jid);
+            if ($check_domain) {
+                if (!$this->checkDomain($parts['domain'])) {
+                    return false;
+                }
+            }
+            return $parts['resource'] !== ''; // missing or present; empty ain't kosher
+        } catch (Exception $e) {
+            return false;
+        }
+    }
 }
 
diff --git a/plugins/Xmpp/extlib/XMPPHP/BOSH.php b/plugins/Xmpp/extlib/XMPPHP/BOSH.php
index befaf60a77..140ff7c823 100644
--- a/plugins/Xmpp/extlib/XMPPHP/BOSH.php
+++ b/plugins/Xmpp/extlib/XMPPHP/BOSH.php
@@ -1,188 +1,409 @@
 <?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>
+ * @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)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
+namespace XMPPHP;
+
+use SimpleXMLElement;
+
 /** XMPPHP_XMLStream */
-require_once dirname(__FILE__) . "/XMPP.php";
+require_once __DIR__ . "/XMPP.php";
 
 /**
- * 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	$Id$
+ * XMPPHP BOSH
+ *
+ * @property int lat
+ * @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 XMPPHP_BOSH extends XMPPHP_XMPP {
-
-		protected $rid;
-		protected $sid;
-		protected $http_server;
-		protected $http_buffer = Array();
-		protected $session = false;
-
-		public function connect($server, $wait='1', $session=false) {
-			$this->http_server = $server;
-			$this->use_encryption = false;
-			$this->session = $session;
-
-			$this->rid = 3001;
-			$this->sid = null;
-			if($session)
-			{
-				$this->loadSession();
-			}
-			if(!$this->sid) {
-				$body = $this->__buildBody();
-				$body->addAttribute('hold','1');
-				$body->addAttribute('to', $this->host);
-				$body->addAttribute('route', "xmpp:{$this->host}:{$this->port}");
-				$body->addAttribute('secure','true');
-				$body->addAttribute('xmpp:version','1.6', 'urn:xmpp:xbosh');
-				$body->addAttribute('wait', strval($wait));
-				$body->addAttribute('ack','1');
-				$body->addAttribute('xmlns:xmpp','urn:xmpp:xbosh');
-				$buff = "<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>";
-				xml_parse($this->parser, $buff, false);
-				$response = $this->__sendBody($body);
-				$rxml = new SimpleXMLElement($response);
-				$this->sid = $rxml['sid'];
-
-			} else {
-				$buff = "<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>";
-				xml_parse($this->parser, $buff, false);
-			}
-		}
-
-		public function __sendBody($body=null, $recv=true) {
-			if(!$body) {
-				$body = $this->__buildBody();
-			}
-			$ch = curl_init($this->http_server);
-			curl_setopt($ch, CURLOPT_HEADER, 0);
-			curl_setopt($ch, CURLOPT_POST, 1);
-			curl_setopt($ch, CURLOPT_POSTFIELDS, $body->asXML());
-			curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
-			$header = array('Accept-Encoding: gzip, deflate','Content-Type: text/xml; charset=utf-8');
-			curl_setopt($ch, CURLOPT_HTTPHEADER, $header );
-			curl_setopt($ch, CURLOPT_VERBOSE, 0);
-			$output = '';
-			if($recv) {
-				curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-				$output = curl_exec($ch);
-				$this->http_buffer[] = $output;
-			}
-			curl_close($ch);
-			return $output;
-		}
-
-		public function __buildBody($sub=null) {
-			$xml = new SimpleXMLElement("<body xmlns='http://jabber.org/protocol/httpbind' xmlns:xmpp='urn:xmpp:xbosh' />");
-			$xml->addAttribute('content', 'text/xml; charset=utf-8');
-			$xml->addAttribute('rid', $this->rid);
-			$this->rid += 1;
-			if($this->sid) $xml->addAttribute('sid', $this->sid);
-			#if($this->sid) $xml->addAttribute('xmlns', 'http://jabber.org/protocol/httpbind');
-			$xml->addAttribute('xml:lang', 'en');
-			if($sub) { // ok, so simplexml is lame
-				$p = dom_import_simplexml($xml);
-				$c = dom_import_simplexml($sub);
-				$cn = $p->ownerDocument->importNode($c, true);
-				$p->appendChild($cn);
-				$xml = simplexml_import_dom($p);
-			}
-			return $xml;
-		}
-
-		public function __process() {
-			if($this->http_buffer) {
-				$this->__parseBuffer();
-			} else {
-				$this->__sendBody();
-				$this->__parseBuffer();
-			}
-		}
-
-		public function __parseBuffer() {
-			while ($this->http_buffer) {
-				$idx = key($this->http_buffer);
-				$buffer = $this->http_buffer[$idx];
-				unset($this->http_buffer[$idx]);
-				if($buffer) {
-					$xml = new SimpleXMLElement($buffer);
-					$children = $xml->xpath('child::node()');
-					foreach ($children as $child) {
-						$buff = $child->asXML();
-						$this->log->log("RECV: $buff",  XMPPHP_Log::LEVEL_VERBOSE);
-						xml_parse($this->parser, $buff, false);
-					}
-				}
-			}
-		}
-
-		public function send($msg) {
-			$this->log->log("SEND: $msg",  XMPPHP_Log::LEVEL_VERBOSE);
-			$msg = new SimpleXMLElement($msg);
-			#$msg->addAttribute('xmlns', 'jabber:client');
-			$this->__sendBody($this->__buildBody($msg), true);
-			#$this->__parseBuffer();
-		}
-
-		public function reset() {
-			$this->xml_depth = 0;
-			unset($this->xmlobj);
-			$this->xmlobj = array();
-			$this->setupParser();
-			#$this->send($this->stream_start);
-			$body = $this->__buildBody();
-			$body->addAttribute('to', $this->host);
-			$body->addAttribute('xmpp:restart', 'true', 'urn:xmpp:xbosh');
-			$buff = "<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>";
-			$response = $this->__sendBody($body);
-			$this->been_reset = true;
-			xml_parse($this->parser, $buff, false);
-		}
-
-		public function loadSession() {
-			if(isset($_SESSION['XMPPHP_BOSH_RID'])) $this->rid = $_SESSION['XMPPHP_BOSH_RID'];
-			if(isset($_SESSION['XMPPHP_BOSH_SID'])) $this->sid = $_SESSION['XMPPHP_BOSH_SID'];
-			if(isset($_SESSION['XMPPHP_BOSH_authed'])) $this->authed = $_SESSION['XMPPHP_BOSH_authed'];
-			if(isset($_SESSION['XMPPHP_BOSH_jid'])) $this->jid = $_SESSION['XMPPHP_BOSH_jid'];
-			if(isset($_SESSION['XMPPHP_BOSH_fulljid'])) $this->fulljid = $_SESSION['XMPPHP_BOSH_fulljid'];
-		}
-
-		public function saveSession() {
-			$_SESSION['XMPPHP_BOSH_RID'] = (string) $this->rid;
-			$_SESSION['XMPPHP_BOSH_SID'] = (string) $this->sid;
-			$_SESSION['XMPPHP_BOSH_authed'] = (boolean) $this->authed;
-			$_SESSION['XMPPHP_BOSH_jid'] = (string) $this->jid;
-			$_SESSION['XMPPHP_BOSH_fulljid'] = (string) $this->fulljid;
-		}
+class BOSH extends XMPP
+{
+    /**
+     * @var integer
+     */
+    protected $rid;
+
+    /**
+     * @var string
+     */
+    protected $sid;
+
+    /**
+     * @var string
+     */
+    protected $http_server;
+
+    /**
+     * @var array
+     */
+    protected $http_buffer = array();
+
+    /**
+     * @var string
+     */
+    protected $session = false;
+
+    /**
+     * @var integer
+     */
+    protected $inactivity;
+
+    /**
+     * Connect
+     *
+     * @param $server
+     * @param $wait
+     * @param $session
+     * @throws Exception
+     * @throws Exception
+     */
+    public function connect($server = null, $wait = '1', $session = false)
+    {
+
+        if (is_null($server)) {
+
+            // If we aren't given the server http url, try and guess it
+            $port_string = ($this->port AND $this->port != 80) ? ':' . $this->port : '';
+            $this->http_server = 'http://' . $this->host . $port_string . '/http-bind/';
+        } else {
+            $this->http_server = $server;
+        }
+
+        $this->use_encryption = false;
+        $this->session = $session;
+        $this->rid = 3001;
+        $this->sid = null;
+        $this->inactivity = 0;
+
+        if ($session) {
+            $this->loadSession();
+        }
+
+        if (!$this->sid) {
+
+            $body = $this->__buildBody();
+            $body->addAttribute('hold', '1');
+            $body->addAttribute('to', $this->server);
+            $body->addAttribute('route', 'xmpp:' . $this->host . ':' . $this->port);
+            $body->addAttribute('secure', 'true');
+            $body->addAttribute('xmpp:version', '1.0', 'urn:xmpp:xbosh');
+            $body->addAttribute('wait', strval($wait));
+            $body->addAttribute('ack', '1');
+            $body->addAttribute('xmlns:xmpp', 'urn:xmpp:xbosh');
+            $buff = '<stream:stream xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams">';
+            xml_parse($this->parser, $buff, false);
+            $response = $this->__sendBody($body);
+            $rxml = new SimpleXMLElement($response);
+            $this->sid = $rxml['sid'];
+            $this->inactivity = $rxml['inactivity'];
+        } else {
+            $buff = '<stream:stream xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams">';
+            xml_parse($this->parser, $buff, false);
+        }
+    }
+
+    /**
+     * Load session
+     *
+     */
+    public function loadSession()
+    {
+
+        if ($this->session == 'ON_FILE') {
+
+            // Session not started so use session_file
+            $session_file = $this->getSessionFile();
+
+            // manage multiple accesses
+            if (!file_exists($session_file)) {
+                file_put_contents($session_file, '');
+            }
+            $session_file_fp = fopen($session_file, 'r');
+            flock($session_file_fp, LOCK_EX);
+            $session_serialized = file_get_contents($session_file, null, null, 6);
+            flock($session_file_fp, LOCK_UN);
+            fclose($session_file_fp);
+
+            $this->log->log('SESSION: reading ' . $session_serialized . ' from ' . $session_file, Log::LEVEL_VERBOSE);
+            if ($session_serialized != '') {
+                $_SESSION['XMPPHP_BOSH'] = unserialize($session_serialized);
+            }
+        }
+
+        if (isset($_SESSION['XMPPHP_BOSH']['inactivity'])) {
+            $this->inactivity = $_SESSION['XMPPHP_BOSH']['inactivity'];
+        }
+
+        $this->lat = (time() - (isset($_SESSION['XMPPHP_BOSH']['lat']))) ? $_SESSION['XMPPHP_BOSH']['lat'] : 0;
+
+        if ($this->lat < $this->inactivity) {
+
+            if (isset($_SESSION['XMPPHP_BOSH']['RID'])) {
+                $this->rid = $_SESSION['XMPPHP_BOSH']['RID'];
+            }
+            if (isset($_SESSION['XMPPHP_BOSH']['SID'])) {
+                $this->sid = $_SESSION['XMPPHP_BOSH']['SID'];
+            }
+            if (isset($_SESSION['XMPPHP_BOSH']['authed'])) {
+                $this->authed = $_SESSION['XMPPHP_BOSH']['authed'];
+            }
+            if (isset($_SESSION['XMPPHP_BOSH']['basejid'])) {
+                $this->basejid = $_SESSION['XMPPHP_BOSH']['basejid'];
+            }
+            if (isset($_SESSION['XMPPHP_BOSH']['fulljid'])) {
+                $this->fulljid = $_SESSION['XMPPHP_BOSH']['fulljid'];
+            }
+        }
+    }
+
+    /**
+     * Get the session file
+     *
+     */
+    public function getSessionFile()
+    {
+        return sys_get_temp_dir() . '/' . $this->user . '_' . $this->server . '_session';
+    }
+
+    /**
+     * Build body
+     *
+     * @param $sub
+     * @return SimpleXMLElement|string
+     */
+    public function __buildBody($sub = null)
+    {
+
+        $xml = '<body xmlns="http://jabber.org/protocol/httpbind" xmlns:xmpp="urn:xmpp:xbosh" />';
+        $xml = new SimpleXMLElement($xml);
+        $xml->addAttribute('content', 'text/xml; charset=utf-8');
+        $xml->addAttribute('rid', $this->rid);
+        $this->rid++;
+        if ($this->sid) {
+            $xml->addAttribute('sid', $this->sid);
+        }
+
+        $xml->addAttribute('xml:lang', 'en');
+
+        if ($sub !== null) {
+
+            // Ok, so simplexml is lame
+            $parent = dom_import_simplexml($xml);
+            $content = dom_import_simplexml($sub);
+            $child = $parent->ownerDocument->importNode($content, true);
+            $parent->appendChild($child);
+            $xml = simplexml_import_dom($parent);
+        }
+
+        return $xml;
+    }
+
+    /**
+     * Send body
+     *
+     * @param $body
+     * @param $recv
+     * @return bool|string
+     * @throws Exception
+     * @throws Exception
+     */
+    public function __sendBody($body = null, $recv = true)
+    {
+
+        if (!$body) {
+            $body = $this->__buildBody();
+        }
+
+        $output = '';
+        $header = array('Accept-Encoding: gzip, deflate', 'Content-Type: text/xml; charset=utf-8');
+        $ch = curl_init();
+
+        curl_setopt($ch, CURLOPT_URL, $this->http_server);
+        curl_setopt($ch, CURLOPT_HEADER, 0);
+        curl_setopt($ch, CURLOPT_POST, 1);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $body->asXML());
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
+        curl_setopt($ch, CURLOPT_VERBOSE, 0);
+
+        if ($recv) {
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+            $output = curl_exec($ch);
+            if (curl_getinfo($ch, CURLINFO_HTTP_CODE) != '200') {
+                throw new Exception('Wrong response from server!');
+            }
+
+            $this->http_buffer[] = $output;
+        }
+        curl_close($ch);
+
+        return $output;
+    }
+
+    /**
+     * Process
+     *
+     * @param $null1
+     * @param $null2
+     *
+     * null params are not used and just to statify Strict Function Declaration
+     * @return bool
+     * @throws Exception
+     * @throws Exception
+     */
+    public function __process($null1 = null, $null2 = null)
+    {
+
+        if ($this->http_buffer) {
+            $this->__parseBuffer();
+        } else {
+            $this->__sendBody();
+            $this->__parseBuffer();
+        }
+
+        $this->saveSession();
+
+        return true;
+    }
+
+    public function __parseBuffer()
+    {
+
+        while ($this->http_buffer) {
+
+            $idx = key($this->http_buffer);
+            $buffer = $this->http_buffer[$idx];
+            unset($this->http_buffer[$idx]);
+
+            if ($buffer) {
+
+                $xml = new SimpleXMLElement($buffer);
+                $children = $xml->xpath('child::node()');
+
+                foreach ($children as $child) {
+                    $buff = $child->asXML();
+                    $this->log->log('RECV: ' . $buff, Log::LEVEL_VERBOSE);
+                    xml_parse($this->parser, $buff, false);
+                }
+            }
+        }
+    }
+
+    /**
+     * Save session
+     *
+     */
+    public function saveSession()
+    {
+
+        $_SESSION['XMPPHP_BOSH']['RID'] = (string)$this->rid;
+        $_SESSION['XMPPHP_BOSH']['SID'] = (string)$this->sid;
+        $_SESSION['XMPPHP_BOSH']['authed'] = (boolean)$this->authed;
+        $_SESSION['XMPPHP_BOSH']['basejid'] = (string)$this->basejid;
+        $_SESSION['XMPPHP_BOSH']['fulljid'] = (string)$this->fulljid;
+        $_SESSION['XMPPHP_BOSH']['inactivity'] = (string)$this->inactivity;
+        $_SESSION['XMPPHP_BOSH']['lat'] = (string)time();
+
+        if ($this->session == 'ON_FILE') {
+
+            $session_file = $this->getSessionFile();
+            $session_file_fp = fopen($session_file, 'r');
+            flock($session_file_fp, LOCK_EX);
+            // <?php prefix used to mask the content of the session file
+            $session_serialized = '<?php ' . serialize($_SESSION);
+            file_put_contents($session_file, $session_serialized);
+            flock($session_file_fp, LOCK_UN);
+            fclose($session_file_fp);
+        }
+    }
+
+    /**
+     * Process
+     *
+     * @param $msg
+     * @param $null
+     *
+     * null param are not used and just to statify Strict Function Declaration
+     * @throws Exception
+     * @throws Exception
+     */
+    public function send($msg, $null = null)
+    {
+        $this->log->log('SEND: ' . $msg, Log::LEVEL_VERBOSE);
+        $msg = new SimpleXMLElement($msg);
+        $this->__sendBody($this->__buildBody($msg), true);
+    }
+
+    /**
+     * Reset
+     *
+     * @throws Exception
+     */
+    public function reset()
+    {
+
+        $this->xml_depth = 0;
+        unset($this->xmlobj);
+        $this->xmlobj = array();
+        $this->setupParser();
+        $body = $this->__buildBody();
+        $body->addAttribute('to', $this->host);
+        $body->addAttribute('xmpp:restart', 'true', 'urn:xmpp:xbosh');
+        $buff = '<stream:stream xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams">';
+        $response = $this->__sendBody($body);
+        $this->been_reset = true;
+        xml_parse($this->parser, $buff, false);
+    }
+
+    /**
+     * Disconnect
+     *
+     * @throws Exception
+     */
+    public function disconnect()
+    {
+
+        parent::disconnect();
+
+        if ($this->session == 'ON_FILE') {
+            unlink($this->getSessionFile());
+        } else {
+            $keys = array('RID', 'SID', 'authed', 'basejid', 'fulljid', 'inactivity', 'lat');
+            foreach ($keys as $key) {
+                unset($_SESSION['XMPPHP_BOSH'][$key]);
+            }
+        }
+    }
 }
diff --git a/plugins/Xmpp/extlib/XMPPHP/Exception.php b/plugins/Xmpp/extlib/XMPPHP/Exception.php
index da59bc7918..525bdd962a 100644
--- a/plugins/Xmpp/extlib/XMPPHP/Exception.php
+++ b/plugins/Xmpp/extlib/XMPPHP/Exception.php
@@ -1,41 +1,49 @@
 <?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 
+ * @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     Michael Garvin <JID: gar@netflint.net>
+ * @author     Alexander Birkner (https://github.com/BirknerAlex)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
+namespace XMPPHP;
+
+use Exception as ObjectException;
+
 /**
  * XMPPHP Exception
  *
- * @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    $Id$
+ * @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 XMPPHP_Exception extends Exception {
+class Exception extends ObjectException
+{
 }
diff --git a/plugins/Xmpp/extlib/XMPPHP/Log.php b/plugins/Xmpp/extlib/XMPPHP/Log.php
index a9bce3d841..7b511d5014 100644
--- a/plugins/Xmpp/extlib/XMPPHP/Log.php
+++ b/plugins/Xmpp/extlib/XMPPHP/Log.php
@@ -1,119 +1,129 @@
 <?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>
+ * @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)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
+namespace XMPPHP;
+
 /**
  * XMPPHP Log
- * 
- * @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	$Id$
+ *
+ * @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 XMPPHP_Log {
-	
-	const LEVEL_ERROR   = 0;
-	const LEVEL_WARNING = 1;
-	const LEVEL_INFO	= 2;
-	const LEVEL_DEBUG   = 3;
-	const LEVEL_VERBOSE = 4;
-	
-	/**
-	 * @var array
-	 */
-	protected $data = array();
+class Log
+{
+    const LEVEL_ERROR = 0;
+    const LEVEL_WARNING = 1;
+    const LEVEL_INFO = 2;
+    const LEVEL_DEBUG = 3;
+    const LEVEL_VERBOSE = 4;
+
+    /**
+     * @var array
+     */
+    protected $data = array();
+
+    /**
+     * @var array
+     */
+    protected $names = array('ERROR', 'WARNING', 'INFO', 'DEBUG', 'VERBOSE');
 
-	/**
-	 * @var array
-	 */
-	protected $names = array('ERROR', 'WARNING', 'INFO', 'DEBUG', 'VERBOSE');
+    /**
+     * @var integer
+     */
+    protected $runlevel;
 
-	/**
-	 * @var integer
-	 */
-	protected $runlevel;
+    /**
+     * @var boolean
+     */
+    protected $printout;
 
-	/**
-	 * @var boolean
-	 */
-	protected $printout;
+    /**
+     * Constructor
+     *
+     * @param boolean $printout
+     * @param int $runlevel
+     */
+    public function __construct($printout = false, $runlevel = self::LEVEL_INFO)
+    {
+        $this->printout = (boolean)$printout;
+        $this->runlevel = (int)$runlevel;
+    }
 
-	/**
-	 * Constructor
-	 *
-	 * @param boolean $printout
-	 * @param string  $runlevel
-	 */
-	public function __construct($printout = false, $runlevel = self::LEVEL_INFO) {
-		$this->printout = (boolean)$printout;
-		$this->runlevel = (int)$runlevel;
-	}
+    /**
+     * Add a message to the log data array
+     * If printout in this instance is set to true, directly output the message
+     *
+     * @param string $msg
+     * @param integer $runlevel
+     */
+    public function log($msg, $runlevel = self::LEVEL_INFO)
+    {
+        $time = time();
+        #$this->data[] = array($this->runlevel, $msg, $time);
+        if ($this->printout and $runlevel <= $this->runlevel) {
+            $this->writeLine($msg, $runlevel, $time);
+        }
+    }
 
-	/**
-	 * Add a message to the log data array
-	 * If printout in this instance is set to true, directly output the message
-	 *
-	 * @param string  $msg
-	 * @param integer $runlevel
-	 */
-	public function log($msg, $runlevel = self::LEVEL_INFO) {
-		$time = time();
-		#$this->data[] = array($this->runlevel, $msg, $time);
-		if($this->printout and $runlevel <= $this->runlevel) {
-			$this->writeLine($msg, $runlevel, $time);
-		}
-	}
+    protected function writeLine($msg, $runlevel, $time)
+    {
+        //echo date('Y-m-d H:i:s', $time)." [".$this->names[$runlevel]."]: ".$msg."\n";
+        echo $time . " [" . $this->names[$runlevel] . "]: " . $msg . "\n";
+        flush();
+    }
 
-	/**
-	 * Output the complete log.
-	 * Log will be cleared if $clear = true
-	 *
-	 * @param boolean $clear
-	 * @param integer $runlevel
-	 */
-	public function printout($clear = true, $runlevel = null) {
-		if($runlevel === null) {
-			$runlevel = $this->runlevel;
-		}
-		foreach($this->data as $data) {
-			if($runlevel <= $data[0]) {
-				$this->writeLine($data[1], $runlevel, $data[2]);
-			}
-		}
-		if($clear) {
-			$this->data = array();
-		}
-	}
-	
-	protected function writeLine($msg, $runlevel, $time) {
-		//echo date('Y-m-d H:i:s', $time)." [".$this->names[$runlevel]."]: ".$msg."\n";
-		echo $time." [".$this->names[$runlevel]."]: ".$msg."\n";
-		flush();
-	}
+    /**
+     * Output the complete log.
+     * Log will be cleared if $clear = true
+     *
+     * @param boolean $clear
+     * @param integer $runlevel
+     */
+    public function printout($clear = true, $runlevel = null)
+    {
+        if ($runlevel === null) {
+            $runlevel = $this->runlevel;
+        }
+        foreach ($this->data as $data) {
+            if ($runlevel <= $data[0]) {
+                $this->writeLine($data[1], $runlevel, $data[2]);
+            }
+        }
+        if ($clear) {
+            $this->data = array();
+        }
+    }
 }
diff --git a/plugins/Xmpp/extlib/XMPPHP/Roster.php b/plugins/Xmpp/extlib/XMPPHP/Roster.php
index 500ff6dcc1..799c549140 100644
--- a/plugins/Xmpp/extlib/XMPPHP/Roster.php
+++ b/plugins/Xmpp/extlib/XMPPHP/Roster.php
@@ -1,164 +1,183 @@
 <?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>
+ * @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)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
+namespace XMPPHP;
+
 /**
- * XMPPHP Roster Object
- * 
- * @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	$Id$
+ * XMPPHP Roster
+ *
+ * @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 Roster
+{
+    /**
+     * Roster array, handles contacts and presence.  Indexed by jid.
+     * Contains array with potentially two indexes 'contact' and 'presence'
+     * @var array
+     */
+    protected $roster_array = array();
+
+    /**
+     * Constructor
+     * @param array $roster_array
+     */
+    public function __construct($roster_array = array())
+    {
+        if ($this->verifyRoster($roster_array)) {
+            $this->roster_array = $roster_array; //Allow for pre-population with existing roster
+        } else {
+            $this->roster_array = array();
+        }
+    }
+
+    /**
+     *
+     * Check that a given roster array is of a valid structure (empty is still valid)
+     *
+     * @param array $roster_array
+     * @return bool
+     */
+    protected function verifyRoster($roster_array)
+    {
+        #TODO once we know *what* a valid roster array looks like
+        return true;
+    }
 
-class Roster {
-	/**
-	 * Roster array, handles contacts and presence.  Indexed by jid.
-	 * Contains array with potentially two indexes 'contact' and 'presence'
-	 * @var array
-	 */
-	protected $roster_array = array();
-	/**
-	 * Constructor
-	 * 
-	 */
-	public function __construct($roster_array = array()) {
-		if ($this->verifyRoster($roster_array)) {
-			$this->roster_array = $roster_array; //Allow for prepopulation with existing roster
-		} else {
-			$this->roster_array = array();
-		}
-	}
+    /**
+     *
+     * Retrieve contact via jid
+     *
+     * @param string $jid
+     * @return mixed
+     */
+    public function getContact($jid)
+    {
+        if ($this->isContact($jid)) {
+            return $this->roster_array[$jid]['contact'];
+        }
+    }
 
-	/**
-	 *
-	 * Check that a given roster array is of a valid structure (empty is still valid)
-	 *
-	 * @param array $roster_array
-	 */
-	protected function verifyRoster($roster_array) {
-		#TODO once we know *what* a valid roster array looks like
-		return True;
-	}
+    /**
+     *
+     * Discover if a contact exists in the roster via jid
+     *
+     * @param string $jid
+     * @return bool
+     */
+    public function isContact($jid)
+    {
+        return (array_key_exists($jid, $this->roster_array));
+    }
 
-	/**
-	 *
-	 * Add given contact to roster
-	 *
-	 * @param string $jid
-	 * @param string $subscription
-	 * @param string $name
-	 * @param array $groups
-	 */
-	public function addContact($jid, $subscription, $name='', $groups=array()) {
-		$contact = array('jid' => $jid, 'subscription' => $subscription, 'name' => $name, 'groups' => $groups);
-		if ($this->isContact($jid)) {
-			$this->roster_array[$jid]['contact'] = $contact;
-		} else {
-			$this->roster_array[$jid] = array('contact' => $contact);
-		}
-	}
+    /**
+     *
+     * Set presence
+     *
+     * @param string $presence
+     * @param integer $priority
+     * @param string $show
+     * @param string $status
+     */
+    public function setPresence($presence, $priority, $show, $status)
+    {
+        $presence = explode('/', $presence, 2);
+        $jid = $presence[0];
+        $resource = isset($presence[1]) ? $presence[1] : '';
+        if ($show != 'unavailable') {
+            if (!$this->isContact($jid)) {
+                $this->addContact($jid, 'not-in-roster');
+            }
+            $this->roster_array[$jid]['presence'][$resource] = array('priority' => $priority, 'show' => $show, 'status' => $status);
+        } else { //Nuke unavailable resources to save memory
+            unset($this->roster_array[$jid]['resource'][$resource]);
+            unset($this->roster_array[$jid]['presence'][$resource]);
+        }
+    }
 
-	/**
-	 * 
-	 * Retrieve contact via jid
-	 *
-	 * @param string $jid
-	 */
-	public function getContact($jid) {
-		if ($this->isContact($jid)) {
-			return $this->roster_array[$jid]['contact'];
-		}
-	}
+    /**
+     *
+     * Add given contact to roster
+     *
+     * @param string $jid
+     * @param string $subscription
+     * @param string $name
+     * @param array $groups
+     */
+    public function addContact($jid, $subscription, $name = '', $groups = array())
+    {
+        $contact = array('jid' => $jid, 'subscription' => $subscription, 'name' => $name, 'groups' => $groups);
+        if ($this->isContact($jid)) {
+            $this->roster_array[$jid]['contact'] = $contact;
+        } else {
+            $this->roster_array[$jid] = array('contact' => $contact);
+        }
+    }
 
-	/**
-	 *
-	 * Discover if a contact exists in the roster via jid
-	 *
-	 * @param string $jid
-	 */
-	public function isContact($jid) {
-		return (array_key_exists($jid, $this->roster_array));
-	}
+    /*
+     *
+     * Return best presence for jid
+     *
+     * @param string $jid
+     */
 
-	/**
-	 *
-	 * Set presence
-	 *
-	 * @param string $presence
-	 * @param integer $priority
-	 * @param string $show
-	 * @param string $status
-	*/
-	public function setPresence($presence, $priority, $show, $status) {
-		$parts = explode('/', $presence);
-		$jid = $parts[0];
-		$resource = isset($parts[1]) ? $parts[1] : '';  // apparently we can do '' as an associative array index
-		if ($show != 'unavailable') {
-			if (!$this->isContact($jid)) {
-				$this->addContact($jid, 'not-in-roster');
-			}
-			$this->roster_array[$jid]['presence'][$resource] = array('priority' => $priority, 'show' => $show, 'status' => $status);
-		} else { //Nuke unavailable resources to save memory
-			unset($this->roster_array[$jid]['resource'][$resource]);
-		}
-	}
+    public function getPresence($jid)
+    {
+        $split = explode('/', $jid, 2);
+        $jid = $split[0];
+        if ($this->isContact($jid)) {
+            $current = array('resource' => '', 'active' => '', 'priority' => -129, 'show' => '', 'status' => ''); //Priorities can only be -128 = 127
+            foreach ($this->roster_array[$jid]['presence'] as $resource => $presence) {
+                //Highest available priority or just highest priority
+                if ($presence['priority'] > $current['priority'] and (($presence['show'] == "chat" or $presence['show'] == "available") or ($current['show'] != "chat" or $current['show'] != "available"))) {
+                    $current = $presence;
+                    $current['resource'] = $resource;
+                }
+            }
+            return $current;
+        }
+    }
 
-	/*
-	 *
-	 * Return best presence for jid
-	 *
-	 * @param string $jid
-	 */
-	public function getPresence($jid) {
-		$split = explode("/", $jid);
-		$jid = $split[0];
-		if($this->isContact($jid)) {
-			$current = array('resource' => '', 'active' => '', 'priority' => -129, 'show' => '', 'status' => ''); //Priorities can only be -128 = 127
-			foreach($this->roster_array[$jid]['presence'] as $resource => $presence) {
-				//Highest available priority or just highest priority
-				if ($presence['priority'] > $current['priority'] and (($presence['show'] == "chat" or $presence['show'] == "available") or ($current['show'] != "chat" or $current['show'] != "available"))) {
-					$current = $presence;
-					$current['resource'] = $resource;
-				}
-			}
-			return $current;
-		}
-	}
-	/**
-	 *
-	 * Get roster
-	 *
-	 */
-	public function getRoster() {
-		return $this->roster_array;
-	}
+    /**
+     *
+     * Get roster
+     *
+     */
+    public function getRoster()
+    {
+        return $this->roster_array;
+    }
 }
-?>
diff --git a/plugins/Xmpp/extlib/XMPPHP/XMLObj.php b/plugins/Xmpp/extlib/XMPPHP/XMLObj.php
index 0d3e219912..de359ae96a 100644
--- a/plugins/Xmpp/extlib/XMPPHP/XMLObj.php
+++ b/plugins/Xmpp/extlib/XMPPHP/XMLObj.php
@@ -1,158 +1,174 @@
-<?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>
- * @author	 Michael Garvin <JID: gar@netflint.net>
+ * @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)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
+namespace XMPPHP;
+
 /**
- * XMPPHP XML Object
- * 
- * @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	$Id$
+ * XMPPHP XMLObject
+ *
+ * @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 XMPPHP_XMLObj {
-	/**
-	 * Tag name
-	 *
-	 * @var string
-	 */
-	public $name;
-	
-	/**
-	 * Namespace
-	 *
-	 * @var string
-	 */
-	public $ns;
-	
-	/**
-	 * Attributes
-	 *
-	 * @var array
-	 */
-	public $attrs = array();
-	
-	/**
-	 * Subs?
-	 *
-	 * @var array
-	 */
-	public $subs = array();
-	
-	/**
-	 * Node data
-	 * 
-	 * @var string
-	 */
-	public $data = '';
+class XMLObj
+{
+    /**
+     * Tag name
+     *
+     * @var string
+     */
+    public $name;
+
+    /**
+     * Namespace
+     *
+     * @var string
+     */
+    public $ns;
+
+    /**
+     * Attributes
+     *
+     * @var array
+     */
+    public $attrs = array();
+
+    /**
+     * Subs?
+     *
+     * @var array
+     */
+    public $subs = array();
+
+    /**
+     * Node data
+     *
+     * @var string
+     */
+    public $data = '';
 
-	/**
-	 * Constructor
-	 *
-	 * @param string $name
-	 * @param string $ns
-	 * @param array  $attrs
-	 * @param string $data
-	 */
-	public function __construct($name, $ns = '', $attrs = array(), $data = '') {
-		$this->name = strtolower($name);
-		$this->ns   = $ns;
-		if(is_array($attrs) && count($attrs)) {
-			foreach($attrs as $key => $value) {
-				$this->attrs[strtolower($key)] = $value;
-			}
-		}
-		$this->data = $data;
-	}
+    /**
+     * Constructor
+     *
+     * @param string $name
+     * @param string $ns
+     * @param array $attrs
+     * @param string $data
+     */
+    public function __construct($name, $ns = '', $attrs = array(), $data = '')
+    {
+        $this->name = strtolower($name);
+        $this->ns = $ns;
+        if (is_array($attrs) && count($attrs)) {
+            foreach ($attrs as $key => $value) {
+                $this->attrs[strtolower($key)] = $value;
+            }
+        }
+        $this->data = $data;
+    }
 
-	/**
-	 * Dump this XML Object to output.
-	 *
-	 * @param integer $depth
-	 */
-	public function printObj($depth = 0) {
-		print str_repeat("\t", $depth) . $this->name . " " . $this->ns . ' ' . $this->data;
-		print "\n";
-		foreach($this->subs as $sub) {
-			$sub->printObj($depth + 1);
-		}
-	}
+    /**
+     * Dump this XML Object to output.
+     *
+     * @param integer $depth
+     */
+    public function printObj($depth = 0)
+    {
+        print str_repeat("\t", $depth) . $this->name . " " . $this->ns . ' ' . $this->data;
+        print "\n";
+        foreach ($this->subs as $sub) {
+            $sub->printObj($depth + 1);
+        }
+    }
 
-	/**
-	 * Return this XML Object in xml notation
-	 *
-	 * @param string $str
-	 */
-	public function toString($str = '') {
-		$str .= "<{$this->name} xmlns='{$this->ns}' ";
-		foreach($this->attrs as $key => $value) {
-			if($key != 'xmlns') {
-				$value = htmlspecialchars($value);
-				$str .= "$key='$value' ";
-			}
-		}
-		$str .= ">";
-		foreach($this->subs as $sub) {
-			$str .= $sub->toString();
-		}
-		$body = htmlspecialchars($this->data);
-		$str .= "$body</{$this->name}>";
-		return $str;
-	}
+    /**
+     * Return this XML Object in xml notation
+     *
+     * @param string $str
+     * @return string
+     */
+    public function toString($str = '')
+    {
+        $str .= "<{$this->name} xmlns='{$this->ns}' ";
+        foreach ($this->attrs as $key => $value) {
+            if ($key != 'xmlns') {
+                $value = htmlspecialchars($value);
+                $str .= "$key='$value' ";
+            }
+        }
+        $str .= ">";
+        foreach ($this->subs as $sub) {
+            $str .= $sub->toString();
+        }
+        $body = htmlspecialchars($this->data);
+        $str .= "$body</{$this->name}>";
+        return $str;
+    }
 
-	/**
-	 * Has this XML Object the given sub?
-	 * 
-	 * @param string $name
-	 * @return boolean
-	 */
-	public function hasSub($name, $ns = null) {
-		foreach($this->subs as $sub) {
-			if(($name == "*" or $sub->name == $name) and ($ns == null or $sub->ns == $ns)) return true;
-		}
-		return false;
-	}
+    /**
+     * Has this XML Object the given sub?
+     *
+     * @param string $name
+     * @param null $ns
+     * @return boolean
+     */
+    public function hasSub($name, $ns = null)
+    {
+        foreach ($this->subs as $sub) {
+            if (($name == "*" or $sub->name == $name) and ($ns == null or $sub->ns == $ns)) {
+                return true;
+            }
+        }
+        return false;
+    }
 
-	/**
-	 * Return a sub
-	 *
-	 * @param string $name
-	 * @param string $attrs
-	 * @param string $ns
-	 */
-	public function sub($name, $attrs = null, $ns = null) {
-		#TODO attrs is ignored
-		foreach($this->subs as $sub) {
-			if($sub->name == $name and ($ns == null or $sub->ns == $ns)) {
-				return $sub;
-			}
-		}
-	}
+    /**
+     * Return a sub
+     *
+     * @param string $name
+     * @param string $attrs
+     * @param string $ns
+     * @return mixed
+     */
+    public function sub($name, $attrs = null, $ns = null)
+    {
+        #TODO attrs is ignored
+        foreach ($this->subs as $sub) {
+            if ($sub->name == $name and ($ns == null or $sub->ns == $ns)) {
+                return $sub;
+            }
+        }
+    }
 }
diff --git a/plugins/Xmpp/extlib/XMPPHP/XMLStream.php b/plugins/Xmpp/extlib/XMPPHP/XMLStream.php
index 1606a9f07e..615e7ca12d 100644
--- a/plugins/Xmpp/extlib/XMPPHP/XMLStream.php
+++ b/plugins/Xmpp/extlib/XMPPHP/XMLStream.php
@@ -1,763 +1,804 @@
 <?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>
+ * @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)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
-/** XMPPHP_Exception */
+namespace XMPPHP;
+
+/** Exception */
 require_once __DIR__ . DIRECTORY_SEPARATOR . 'Exception.php';
 
-/** XMPPHP_XMLObj */
+/** XMLObj */
 require_once __DIR__ . DIRECTORY_SEPARATOR . 'XMLObj.php';
 
-/** XMPPHP_Log */
+/** Log */
 require_once __DIR__ . DIRECTORY_SEPARATOR . 'Log.php';
 
+
 /**
- * XMPPHP XML Stream
- * 
- * @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	$Id$
+ * XMPPHP XMLStream
+ *
+ * @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 XMPPHP_XMLStream {
-	/**
-	 * @var resource
-	 */
-	protected $socket;
-	/**
-	 * @var resource
-	 */
-	protected $parser;
-	/**
-	 * @var string
-	 */
-	protected $buffer;
-	/**
-	 * @var integer
-	 */
-	protected $xml_depth = 0;
-	/**
-	 * @var string
-	 */
-	protected $host;
-	/**
-	 * @var integer
-	 */
-	protected $port;
-	/**
-	 * @var string
-	 */
-	protected $stream_start = '<stream>';
-	/**
-	 * @var string
-	 */
-	protected $stream_end = '</stream>';
-	/**
-	 * @var boolean
-	 */
-	protected $disconnected = false;
-	/**
-	 * @var boolean
-	 */
-	protected $sent_disconnect = false;
-	/**
-	 * @var array
-	 */
-	protected $ns_map = array();
-	/**
-	 * @var array
-	 */
-	protected $current_ns = array();
-	/**
-	 * @var array
-	 */
-	protected $xmlobj = null;
-	/**
-	 * @var array
-	 */
-	protected $nshandlers = array();
-	/**
-	 * @var array
-	 */
-	protected $xpathhandlers = array();
-	/**
-	 * @var array
-	 */
-	protected $idhandlers = array();
-	/**
-	 * @var array
-	 */
-	protected $eventhandlers = array();
-	/**
-	 * @var integer
-	 */
-	protected $lastid = 0;
-	/**
-	 * @var string
-	 */
-	protected $default_ns;
-	/**
-	 * @var string[]
-	 */
-	protected $until = [];
-	/**
-	 * @var int[]
-	 */
-	protected $until_count = [];
-	/**
-	 * @var array
-	 */
-	protected $until_happened = false;
-	/**
-	 * @var array
-	 */
-	protected $until_payload = array();
-	/**
-	 * @var XMPPHP_Log
-	 */
-	protected $log;
-	/**
-	 * @var boolean
-	 */
-	protected $reconnect = true;
-	/**
-	 * @var boolean
-	 */
-	protected $been_reset = false;
-	/**
-	 * @var boolean
-	 */
-	protected $is_server;
-	/**
-	 * @var float
-	 */
-	protected $last_send = 0;
-	/**
-	 * @var boolean
-	 */
-	protected $use_ssl = false;
-	/**
-	 * @var integer
-	 */
-	protected $reconnectTimeout = 30;
-
-	/**
-	 * Constructor
-	 *
-	 * @param string  $host
-	 * @param string  $port
-	 * @param boolean $printlog
-	 * @param string  $loglevel
-	 * @param boolean $is_server
-	 */
-	public function __construct($host = null, $port = null, $printlog = false, $loglevel = null, $is_server = false) {
-		$this->reconnect = !$is_server;
-		$this->is_server = $is_server;
-		$this->host = $host;
-		$this->port = $port;
-		$this->setupParser();
-		$this->log = new XMPPHP_Log($printlog, $loglevel);
-	}
-
-	/**
-	 * Destructor
-	 * Cleanup connection
-	 */
-	public function __destruct() {
-		if(!$this->disconnected && $this->socket) {
-			$this->disconnect();
-		}
-	}
-	
-	/**
-	 * Return the log instance
-	 *
-	 * @return XMPPHP_Log
-	 */
-	public function getLog() {
-		return $this->log;
-	}
-	
-	/**
-	 * Get next ID
-	 *
-	 * @return integer
-	 */
-	public function getId() {
-		$this->lastid++;
-		return $this->lastid;
-	}
-
-	/**
-	 * Set SSL
-	 *
-	 * @return integer
-	 */
-	public function useSSL($use=true) {
-		$this->use_ssl = $use;
-	}
-
-	/**
-	 * Add ID Handler
-	 *
-	 * @param integer $id
-	 * @param string  $pointer
-	 * @param string  $obj
-	 */
-	public function addIdHandler($id, $pointer, $obj = null) {
-		$this->idhandlers[$id] = array($pointer, $obj);
-	}
-
-	/**
-	 * Add Handler
-	 *
-	 * @param string $name
-	 * @param string  $ns
-	 * @param string  $pointer
-	 * @param string  $obj
-	 * @param integer $depth
-	 */
-	public function addHandler($name, $ns, $pointer, $obj = null, $depth = 1) {
-		#TODO deprication warning
-		$this->nshandlers[] = array($name,$ns,$pointer,$obj, $depth);
-	}
-
-	/**
-	 * Add XPath Handler
-	 *
-	 * @param string $xpath
-	 * @param string $pointer
-	 * @param
-	 */
-	public function addXPathHandler($xpath, $pointer, $obj = null) {
-		if (preg_match_all("/\(?{[^\}]+}\)?(\/?)[^\/]+/", $xpath, $regs)) {
-			$ns_tags = $regs[0];
-		} else {
-			$ns_tags = array($xpath);
-		}
-		foreach($ns_tags as $ns_tag) {
-			list($l, $r) = explode("}", $ns_tag);
-			if ($r != null) {
-				$xpart = array(substr($l, 1), $r);
-			} else {
-				$xpart = array(null, $l);
-			}
-			$xpath_array[] = $xpart;
-		}
-		$this->xpathhandlers[] = array($xpath_array, $pointer, $obj);
-	}
-
-	/**
-	 * Add Event Handler
-	 *
-	 * @param integer $id
-	 * @param string  $pointer
-	 * @param string  $obj
-	 */
-	public function addEventHandler($name, $pointer, $obj) {
-		$this->eventhandlers[] = array($name, $pointer, $obj);
-	}
-
-	/**
-	 * Connect to XMPP Host
-	 *
-	 * @param integer $timeout
-	 * @param boolean $persistent
-	 * @param boolean $sendinit
-	 */
-	public function connect($timeout = 30, $persistent = false, $sendinit = true) {
-		$this->sent_disconnect = false;
-		$starttime = time();
-		
-		do {
-			$this->disconnected = false;
-			$this->sent_disconnect = false;
-			if($persistent) {
-				$conflag = STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT;
-			} else {
-				$conflag = STREAM_CLIENT_CONNECT;
-			}
-			$conntype = 'tcp';
-			if($this->use_ssl) $conntype = 'ssl';
-			$this->log->log("Connecting to $conntype://{$this->host}:{$this->port}");
-			try {
-				$this->socket = @stream_socket_client("$conntype://{$this->host}:{$this->port}", $errno, $errstr, $timeout, $conflag);
-			} catch (Exception $e) {
-				throw new XMPPHP_Exception($e->getMessage());
-			}
-			if(!$this->socket) {
-				$this->log->log("Could not connect.",  XMPPHP_Log::LEVEL_ERROR);
-				$this->disconnected = true;
-				# Take it easy for a few seconds
-				sleep(min($timeout, 5));
-			}
-		} while (!$this->socket && (time() - $starttime) < $timeout);
-		
-		if ($this->socket) {
-			stream_set_blocking($this->socket, 1);
-			if($sendinit) $this->send($this->stream_start);
-		} else {
-			throw new XMPPHP_Exception("Could not connect before timeout.");
-		}
-	}
-
-	/**
-	 * Reconnect XMPP Host
-	 */
-	public function doReconnect() {
-		if(!$this->is_server) {
-			$this->log->log("Reconnecting ($this->reconnectTimeout)...",  XMPPHP_Log::LEVEL_WARNING);
-			$this->connect($this->reconnectTimeout, false, false);
-			$this->reset();
-			$this->event('reconnect');
-		}
-	}
-
-	public function setReconnectTimeout($timeout) {
-		$this->reconnectTimeout = $timeout;
-	}
-	
-	/**
-	 * Disconnect from XMPP Host
-	 */
-	public function disconnect() {
-		$this->log->log("Disconnecting...",  XMPPHP_Log::LEVEL_VERBOSE);
-		if(false == (bool) $this->socket) {
-			return;
-		}
-		$this->reconnect = false;
-		$this->send($this->stream_end);
-		$this->sent_disconnect = true;
-		$this->processUntil('end_stream', 5);
-		$this->disconnected = true;
-	}
-
-	/**
-	 * Are we are disconnected?
-	 *
-	 * @return boolean
-	 */
-	public function isDisconnected() {
-		return $this->disconnected;
-	}
-
-	/**
-	 * Core reading tool
-	 * 0 -> only read if data is immediately ready
-	 * NULL -> wait forever and ever
-	 * integer -> process for this amount of time 
-	 */
-	
-	private function __process($maximum=5) {
-		
-		$remaining = $maximum;
-		
-		do {
-			$starttime = (microtime(true) * 1000000);
-			$read = array($this->socket);
-			$write = array();
-			$except = array();
-			if (is_null($maximum)) {
-				$secs = NULL;
-				$usecs = NULL;
-			} else if ($maximum == 0) {
-				$secs = 0;
-				$usecs = 0;
-			} else {
-				$usecs = $remaining % 1000000;
-				$secs = floor(($remaining - $usecs) / 1000000);
-			}
-			$updated = @stream_select($read, $write, $except, $secs, $usecs);
-			if ($updated === false) {
-				$this->log->log("Error on stream_select()",  XMPPHP_Log::LEVEL_VERBOSE);				
-				if ($this->reconnect) {
-					$this->doReconnect();
-				} else {
-					fclose($this->socket);
-					$this->socket = NULL;
-					return false;
-				}
-			} else if ($updated > 0) {
-				# XXX: Is this big enough?
-				$buff = @fread($this->socket, 4096);
-				if(!$buff) { 
-					if($this->reconnect) {
-						$this->doReconnect();
-					} else {
-						fclose($this->socket);
-						$this->socket = NULL;
-						return false;
-					}
-				}
-				$this->log->log("RECV: $buff",  XMPPHP_Log::LEVEL_VERBOSE);
-				xml_parse($this->parser, $buff, false);
-			} else {
-				# $updated == 0 means no changes during timeout.
-			}
-			$endtime = (microtime(true)*1000000);
-			$time_past = $endtime - $starttime;
-			$remaining = $remaining - $time_past;
-		} while (is_null($maximum) || $remaining > 0);
-		return true;
-	}
-	
-	/**
-	 * Process
-	 *
-	 * @return string
-	 */
-	public function process() {
-		$this->__process(NULL);
-	}
-
-	/**
-	 * Process until a timeout occurs
-	 *
-	 * @param integer $timeout
-	 * @return string
-	 */
-	public function processTime($timeout=NULL) {
-		if (is_null($timeout)) {
-			return $this->__process(NULL);
-		} else {
-			return $this->__process($timeout * 1000000);
-		}
-	}
-
-	/**
-	 * Process until a specified event or a timeout occurs
-	 *
-	 * @param string|array $event
-	 * @param integer $timeout
-	 * @return string
-	 */
-	public function processUntil($event, $timeout=-1) {
-		$start = time();
-		if(!is_array($event)) $event = array($event);
-		$this->until[] = $event;
-		end($this->until);
-		$event_key = key($this->until);
-		reset($this->until);
-		$this->until_count[$event_key] = 0;
-		$updated = '';
-		while(!$this->disconnected and $this->until_count[$event_key] < 1 and (time() - $start < $timeout or $timeout == -1)) {
-			$this->__process();
-		}
-		if(array_key_exists($event_key, $this->until_payload)) {
-			$payload = $this->until_payload[$event_key];
-			unset($this->until_payload[$event_key]);
-			unset($this->until_count[$event_key]);
-			unset($this->until[$event_key]);
-		} else {
-			$payload = array();
-		}
-		return $payload;
-	}
-
-	/**
-	 * Obsolete?
-	 */
-	public function Xapply_socket($socket) {
-		$this->socket = $socket;
-	}
-
-	/**
-	 * XML start callback
-	 * 
-	 * @see xml_set_element_handler
-	 *
-	 * @param resource $parser
-	 * @param string   $name
-	 */
-	public function startXML($parser, $name, $attr) {
-		if($this->been_reset) {
-			$this->been_reset = false;
-			$this->xml_depth = 0;
-		}
-		$this->xml_depth++;
-		if(array_key_exists('XMLNS', $attr)) {
-			$this->current_ns[$this->xml_depth] = $attr['XMLNS'];
-		} else {
-			$this->current_ns[$this->xml_depth] = $this->current_ns[$this->xml_depth - 1];
-			if(!$this->current_ns[$this->xml_depth]) $this->current_ns[$this->xml_depth] = $this->default_ns;
-		}
-		$ns = $this->current_ns[$this->xml_depth];
-		foreach($attr as $key => $value) {
-			if(strstr($key, ":")) {
-				$key = explode(':', $key);
-				$key = $key[1];
-				$this->ns_map[$key] = $value;
-			}
-		}
-		if(!strstr($name, ":") === false)
-		{
-			$name = explode(':', $name);
-			$ns = $this->ns_map[$name[0]];
-			$name = $name[1];
-		}
-		$obj = new XMPPHP_XMLObj($name, $ns, $attr);
-		if($this->xml_depth > 1) {
-			$this->xmlobj[$this->xml_depth - 1]->subs[] = $obj;
-		}
-		$this->xmlobj[$this->xml_depth] = $obj;
-	}
-
-	/**
-	 * XML end callback
-	 * 
-	 * @see xml_set_element_handler
-	 *
-	 * @param resource $parser
-	 * @param string   $name
-	 */
-	public function endXML($parser, $name) {
-		#$this->log->log("Ending $name",  XMPPHP_Log::LEVEL_DEBUG);
-		#print "$name\n";
-		if($this->been_reset) {
-			$this->been_reset = false;
-			$this->xml_depth = 0;
-		}
-		$this->xml_depth--;
-		if($this->xml_depth == 1) {
-			#clean-up old objects
-			#$found = false; #FIXME This didn't appear to be in use --Gar
-			foreach($this->xpathhandlers as $handler) {
-				if (is_array($this->xmlobj) && array_key_exists(2, $this->xmlobj)) {
-					$searchxml = $this->xmlobj[2];
-					$nstag = array_shift($handler[0]);
-					if (($nstag[0] == null or $searchxml->ns == $nstag[0]) and ($nstag[1] == "*" or $nstag[1] == $searchxml->name)) {
-						foreach($handler[0] as $nstag) {
-							if ($searchxml !== null and $searchxml->hasSub($nstag[1], $ns=$nstag[0])) {
-								$searchxml = $searchxml->sub($nstag[1], $ns=$nstag[0]);
-							} else {
-								$searchxml = null;
-								break;
-							}
-						}
-						if ($searchxml !== null) {
-							if($handler[2] === null) $handler[2] = $this;
-							$this->log->log("Calling {$handler[1]}",  XMPPHP_Log::LEVEL_DEBUG);
-							$handler[2]->{$handler[1]}($this->xmlobj[2]);
-						}
-					}
-				}
-			}
-			foreach($this->nshandlers as $handler) {
-				if($handler[4] != 1 and array_key_exists(2, $this->xmlobj) and  $this->xmlobj[2]->hasSub($handler[0])) {
-					$searchxml = $this->xmlobj[2]->sub($handler[0]);
-				} elseif(is_array($this->xmlobj) and array_key_exists(2, $this->xmlobj)) {
-					$searchxml = $this->xmlobj[2];
-				}
-				if($searchxml !== null and $searchxml->name == $handler[0] and ($searchxml->ns == $handler[1] or (!$handler[1] and $searchxml->ns == $this->default_ns))) {
-					if($handler[3] === null) $handler[3] = $this;
-					$this->log->log("Calling {$handler[2]}",  XMPPHP_Log::LEVEL_DEBUG);
-					$handler[3]->{$handler[2]}($this->xmlobj[2]);
-				}
-			}
-			foreach($this->idhandlers as $id => $handler) {
-				if(array_key_exists('id', $this->xmlobj[2]->attrs) and $this->xmlobj[2]->attrs['id'] == $id) {
-					if($handler[1] === null) $handler[1] = $this;
-					$handler[1]->{$handler[0]}($this->xmlobj[2]);
-					#id handlers are only used once
-					unset($this->idhandlers[$id]);
-					break;
-				}
-			}
-			if(is_array($this->xmlobj)) {
-				$this->xmlobj = array_slice($this->xmlobj, 0, 1);
-				if(isset($this->xmlobj[0]) && $this->xmlobj[0] instanceof XMPPHP_XMLObj) {
-					$this->xmlobj[0]->subs = null;
-				}
-			}
-			unset($this->xmlobj[2]);
-		}
-		if($this->xml_depth == 0 and !$this->been_reset) {
-			if(!$this->disconnected) {
-				if(!$this->sent_disconnect) {
-					$this->send($this->stream_end);
-				}
-				$this->disconnected = true;
-				$this->sent_disconnect = true;
-				fclose($this->socket);
-				if($this->reconnect) {
-					$this->doReconnect();
-				}
-			}
-			$this->event('end_stream');
-		}
-	}
-
-	/**
-	 * XML character callback
-	 * @see xml_set_character_data_handler
-	 *
-	 * @param resource $parser
-	 * @param string   $data
-	 */
-	public function charXML($parser, $data) {
-		if(array_key_exists($this->xml_depth, $this->xmlobj)) {
-			$this->xmlobj[$this->xml_depth]->data .= $data;
-		}
-	}
-
-	/**
-	 * Event?
-	 *
-	 * @param string $name
-	 * @param string $payload
-	 */
-	public function event($name, $payload = null) {
-		$this->log->log("EVENT: $name",  XMPPHP_Log::LEVEL_DEBUG);
-		foreach($this->eventhandlers as $handler) {
-			if($name == $handler[0]) {
-				if($handler[2] === null) {
-					$handler[2] = $this;
-				}
-				$handler[2]->{$handler[1]}($payload);
-			}
-		}
-		foreach($this->until as $key => $until) {
-			if(is_array($until)) {
-				if(in_array($name, $until)) {
-					$this->until_payload[$key][] = array($name, $payload);
-					if(!isset($this->until_count[$key])) {
-						$this->until_count[$key] = 0;
-					}
-					$this->until_count[$key] += 1;
-					#$this->until[$key] = false;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Read from socket
-	 */
-	public function read() {
-		$buff = @fread($this->socket, 1024);
-		if(!$buff) { 
-			if($this->reconnect) {
-				$this->doReconnect();
-			} else {
-				fclose($this->socket);
-				return false;
-			}
-		}
-		$this->log->log("RECV: $buff",  XMPPHP_Log::LEVEL_VERBOSE);
-		xml_parse($this->parser, $buff, false);
-	}
-
-	/**
-	 * Send to socket
-	 *
-	 * @param string $msg
-	 */
-	public function send($msg, $timeout=NULL) {
-
-		if (is_null($timeout)) {
-			$secs = NULL;
-			$usecs = NULL;
-		} else if ($timeout == 0) {
-			$secs = 0;
-			$usecs = 0;
-		} else {
-			$maximum = $timeout * 1000000;
-			$usecs = $maximum % 1000000;
-			$secs = floor(($maximum - $usecs) / 1000000);
-		}
-		
-		$read = array();
-		$write = array($this->socket);
-		$except = array();
-		
-		$select = @stream_select($read, $write, $except, $secs, $usecs);
-		
-		if($select === False) {
-			$this->log->log("ERROR sending message; reconnecting.");
-			$this->doReconnect();
-			# TODO: retry send here
-			return false;
-		} elseif ($select > 0) {
-			$this->log->log("Socket is ready; send it.", XMPPHP_Log::LEVEL_VERBOSE);
-		} else {
-			$this->log->log("Socket is not ready; break.", XMPPHP_Log::LEVEL_ERROR);
-			return false;
-		}
-		
-		$sentbytes = @fwrite($this->socket, $msg);
-		$this->log->log("SENT: " . mb_substr($msg, 0, $sentbytes, '8bit'), XMPPHP_Log::LEVEL_VERBOSE);
-		if($sentbytes === FALSE) {
-			$this->log->log("ERROR sending message; reconnecting.", XMPPHP_Log::LEVEL_ERROR);
-			$this->doReconnect();
-			return false;
-		}
-		$this->log->log("Successfully sent $sentbytes bytes.", XMPPHP_Log::LEVEL_VERBOSE);
-		return $sentbytes;
-	}
-
-	public function time() {
-		list($usec, $sec) = explode(" ", microtime());
-		return (float)$sec + (float)$usec;
-	}
-
-	/**
-	 * Reset connection
-	 */
-	public function reset() {
-		$this->xml_depth = 0;
-		unset($this->xmlobj);
-		$this->xmlobj = array();
-		$this->setupParser();
-		if(!$this->is_server) {
-			$this->send($this->stream_start);
-		}
-		$this->been_reset = true;
-	}
-
-	/**
-	 * Setup the XML parser
-	 */
-	public function setupParser() {
-		$this->parser = xml_parser_create('UTF-8');
-		xml_parser_set_option($this->parser, XML_OPTION_SKIP_WHITE, 1);
-		xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
-		xml_set_object($this->parser, $this);
-		xml_set_element_handler($this->parser, 'startXML', 'endXML');
-		xml_set_character_data_handler($this->parser, 'charXML');
-	}
-
-	public function readyToProcess() {
-		$read = array($this->socket);
-		$write = array();
-		$except = array();
-		$updated = @stream_select($read, $write, $except, 0);
-		return (($updated !== false) && ($updated > 0));
-	}
+class XMLStream
+{
+    /**
+     * @var resource
+     */
+    protected $socket;
+    /**
+     * @var resource
+     */
+    protected $parser;
+    /**
+     * @var string
+     */
+    protected $buffer;
+    /**
+     * @var integer
+     */
+    protected $xml_depth = 0;
+    /**
+     * @var string
+     */
+    protected $host;
+    /**
+     * @var integer
+     */
+    protected $port;
+    /**
+     * @var string
+     */
+    protected $stream_start = '<stream>';
+    /**
+     * @var string
+     */
+    protected $stream_end = '</stream>';
+    /**
+     * @var boolean
+     */
+    protected $disconnected = false;
+    /**
+     * @var boolean
+     */
+    protected $sent_disconnect = false;
+    /**
+     * @var array
+     */
+    protected $ns_map = array();
+    /**
+     * @var array
+     */
+    protected $current_ns = array();
+    /**
+     * @var array
+     */
+    protected $xmlobj = null;
+    /**
+     * @var array
+     */
+    protected $nshandlers = array();
+    /**
+     * @var array
+     */
+    protected $xpathhandlers = array();
+    /**
+     * @var array
+     */
+    protected $idhandlers = array();
+    /**
+     * @var array
+     */
+    protected $eventhandlers = array();
+    /**
+     * @var integer
+     */
+    protected $lastid = 0;
+    /**
+     * @var string
+     */
+    protected $default_ns;
+    /**
+     * @var string[]
+     */
+    protected $until = [];
+    /**
+     * @var int[]
+     */
+    protected $until_count = [];
+    /**
+     * @var array
+     */
+    protected $until_happened = false;
+    /**
+     * @var array
+     */
+    protected $until_payload = array();
+    /**
+     * @var Log
+     */
+    protected $log;
+    /**
+     * @var boolean
+     */
+    protected $reconnect = true;
+    /**
+     * @var boolean
+     */
+    protected $been_reset = false;
+    /**
+     * @var boolean
+     */
+    protected $is_server;
+    /**
+     * @var float
+     */
+    protected $last_send = 0;
+    /**
+     * @var boolean
+     */
+    protected $use_ssl = false;
+    /**
+     * @var integer
+     */
+    protected $reconnectTimeout = 30;
+
+    /**
+     * Constructor
+     *
+     * @param string $host
+     * @param string $port
+     * @param boolean $printlog
+     * @param string $loglevel
+     * @param boolean $is_server
+     */
+    public function __construct($host = null, $port = null, $printlog = false, $loglevel = null, $is_server = false)
+    {
+        $this->reconnect = !$is_server;
+        $this->is_server = $is_server;
+        $this->host = $host;
+        $this->port = $port;
+        $this->setupParser();
+        $this->log = new Log($printlog, $loglevel);
+    }
+
+    /**
+     * Setup the XML parser
+     */
+    public function setupParser()
+    {
+        $this->parser = xml_parser_create('UTF-8');
+        xml_parser_set_option($this->parser, XML_OPTION_SKIP_WHITE, 1);
+        xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
+        xml_set_object($this->parser, $this);
+        xml_set_element_handler($this->parser, 'startXML', 'endXML');
+        xml_set_character_data_handler($this->parser, 'charXML');
+    }
+
+    /**
+     * Destructor
+     * Cleanup connection
+     */
+    public function __destruct()
+    {
+        if (!$this->disconnected && $this->socket) {
+            $this->disconnect();
+        }
+    }
+
+    /**
+     * Disconnect from XMPP Host
+     */
+    public function disconnect()
+    {
+        $this->log->log("Disconnecting...", Log::LEVEL_VERBOSE);
+        if (false == (bool)$this->socket) {
+            return;
+        }
+        $this->reconnect = false;
+        $this->send($this->stream_end);
+        $this->sent_disconnect = true;
+        $this->processUntil('end_stream', 5);
+        $this->disconnected = true;
+    }
+
+    /**
+     * Send to socket
+     *
+     * @param string $msg
+     * @param null $timeout
+     * @return bool|int
+     * @throws Exception
+     */
+    public function send($msg, $timeout = NULL)
+    {
+
+        if (is_null($timeout)) {
+            $secs = NULL;
+            $usecs = NULL;
+        } else if ($timeout == 0) {
+            $secs = 0;
+            $usecs = 0;
+        } else {
+            $maximum = $timeout * 1000000;
+            $usecs = $maximum % 1000000;
+            $secs = floor(($maximum - $usecs) / 1000000);
+        }
+
+        $read = array();
+        $write = array($this->socket);
+        $except = array();
+
+        $select = @stream_select($read, $write, $except, $secs, $usecs);
+
+        if ($select === False) {
+            $this->log->log("ERROR sending message; reconnecting.");
+            $this->doReconnect();
+            # TODO: retry send here
+            return false;
+        } elseif ($select > 0) {
+            $this->log->log("Socket is ready; send it.", Log::LEVEL_VERBOSE);
+        } else {
+            $this->log->log("Socket is not ready; break.", Log::LEVEL_ERROR);
+            return false;
+        }
+
+        $sentbytes = @fwrite($this->socket, $msg);
+        $this->log->log("SENT: " . mb_substr($msg, 0, $sentbytes, '8bit'), Log::LEVEL_VERBOSE);
+        if ($sentbytes === FALSE) {
+            $this->log->log("ERROR sending message; reconnecting.", Log::LEVEL_ERROR);
+            $this->doReconnect();
+            return false;
+        }
+        $this->log->log("Successfully sent $sentbytes bytes.", Log::LEVEL_VERBOSE);
+        return $sentbytes;
+    }
+
+    /**
+     * Reconnect XMPP Host
+     * @throws Exception
+     */
+    public function doReconnect()
+    {
+        if (!$this->is_server) {
+            $this->log->log("Reconnecting ($this->reconnectTimeout)...", Log::LEVEL_WARNING);
+            $this->connect($this->reconnectTimeout, false, false);
+            $this->reset();
+            $this->event('reconnect');
+        }
+    }
+
+    /**
+     * Connect to XMPP Host
+     *
+     * @param integer $timeout
+     * @param boolean $persistent
+     * @param boolean $sendinit
+     * @throws Exception
+     * @throws Exception
+     */
+    public function connect($timeout = 30, $persistent = false, $sendinit = true)
+    {
+        $this->sent_disconnect = false;
+        $starttime = time();
+
+        do {
+            $this->disconnected = false;
+            $this->sent_disconnect = false;
+            if ($persistent) {
+                $conflag = STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT;
+            } else {
+                $conflag = STREAM_CLIENT_CONNECT;
+            }
+            $conntype = 'tcp';
+            if ($this->use_ssl) $conntype = 'ssl';
+            $this->log->log("Connecting to $conntype://{$this->host}:{$this->port}");
+            $this->socket = @stream_socket_client("$conntype://{$this->host}:{$this->port}", $errno, $errstr, $timeout, $conflag);
+            if (!$this->socket) {
+                $this->log->log("Could not connect.", Log::LEVEL_ERROR);
+                $this->disconnected = true;
+                # Take it easy for a few seconds
+                sleep(min($timeout, 5));
+            }
+        } while (!$this->socket && (time() - $starttime) < $timeout);
+
+        if ($this->socket) {
+            stream_set_blocking($this->socket, 1);
+            if ($sendinit) $this->send($this->stream_start);
+        } else {
+            throw new Exception("Could not connect before timeout.");
+        }
+    }
+
+    /**
+     * Reset connection
+     */
+    public function reset()
+    {
+        $this->xml_depth = 0;
+        unset($this->xmlobj);
+        $this->xmlobj = array();
+        $this->setupParser();
+        if (!$this->is_server) {
+            $this->send($this->stream_start);
+        }
+        $this->been_reset = true;
+    }
+
+    /**
+     * Event?
+     *
+     * @param string $name
+     * @param string $payload
+     */
+    public function event($name, $payload = null)
+    {
+        $this->log->log("EVENT: $name", Log::LEVEL_DEBUG);
+        foreach ($this->eventhandlers as $handler) {
+            if ($name == $handler[0]) {
+                if ($handler[2] === null) {
+                    $handler[2] = $this;
+                }
+                $handler[2]->{$handler[1]}($payload);
+            }
+        }
+        foreach ($this->until as $key => $until) {
+            if (is_array($until)) {
+                if (in_array($name, $until)) {
+                    $this->until_payload[$key][] = array($name, $payload);
+                    if (!isset($this->until_count[$key])) {
+                        $this->until_count[$key] = 0;
+                    }
+                    $this->until_count[$key] += 1;
+                    #$this->until[$key] = false;
+                }
+            }
+        }
+    }
+
+    /**
+     * Process until a specified event or a timeout occurs
+     *
+     * @param string|array $event
+     * @param integer $timeout
+     * @return string
+     * @throws Exception
+     */
+    public function processUntil($event, $timeout = -1)
+    {
+        $start = time();
+        if (!is_array($event)) $event = array($event);
+        $this->until[] = $event;
+        end($this->until);
+        $event_key = key($this->until);
+        reset($this->until);
+        $this->until_count[$event_key] = 0;
+        while (!$this->disconnected and $this->until_count[$event_key] < 1 and (time() - $start < $timeout or $timeout == -1)) {
+            $this->__process();
+        }
+        if (array_key_exists($event_key, $this->until_payload)) {
+            $payload = $this->until_payload[$event_key];
+            unset($this->until_payload[$event_key]);
+            unset($this->until_count[$event_key]);
+            unset($this->until[$event_key]);
+        } else {
+            $payload = array();
+        }
+        return $payload;
+    }
+
+    /**
+     * Core reading tool
+     * 0 -> only read if data is immediately ready
+     * NULL -> wait forever and ever
+     * integer -> process for this amount of time
+     * @param int $maximum
+     * @return bool
+     * @throws Exception
+     */
+
+    private function __process($maximum = 5)
+    {
+
+        $remaining = $maximum;
+
+        do {
+            $starttime = (microtime(true) * 1000000);
+            $read = array($this->socket);
+            $write = array();
+            $except = array();
+            if (is_null($maximum)) {
+                $secs = NULL;
+                $usecs = NULL;
+            } else if ($maximum == 0) {
+                $secs = 0;
+                $usecs = 0;
+            } else {
+                $usecs = $remaining % 1000000;
+                $secs = floor(($remaining - $usecs) / 1000000);
+            }
+            $updated = @stream_select($read, $write, $except, $secs, $usecs);
+            if ($updated === false) {
+                $this->log->log("Error on stream_select()", Log::LEVEL_VERBOSE);
+                if ($this->reconnect) {
+                    $this->doReconnect();
+                } else {
+                    fclose($this->socket);
+                    $this->socket = NULL;
+                    return false;
+                }
+            } else if ($updated > 0) {
+                # XXX: Is this big enough?
+                $buff = @fread($this->socket, 4096);
+                if (!$buff) {
+                    if ($this->reconnect) {
+                        $this->doReconnect();
+                    } else {
+                        fclose($this->socket);
+                        $this->socket = NULL;
+                        return false;
+                    }
+                }
+                $this->log->log("RECV: $buff", Log::LEVEL_VERBOSE);
+                xml_parse($this->parser, $buff, false);
+            } // Otherwise,
+              // $updated == 0 means no changes during timeout.
+
+            $endtime = (microtime(true) * 1000000);
+            $time_past = $endtime - $starttime;
+            $remaining = $remaining - $time_past;
+        } while (is_null($maximum) || $remaining > 0);
+        return true;
+    }
+
+    /**
+     * Return the log instance
+     *
+     * @return Log
+     */
+    public function getLog()
+    {
+        return $this->log;
+    }
+
+    /**
+     * Get next ID
+     *
+     * @return integer
+     */
+    public function getId()
+    {
+        $this->lastid++;
+        return $this->lastid;
+    }
+
+    /**
+     * Set SSL
+     * @param bool $use
+     */
+    public function useSSL($use = true)
+    {
+        $this->use_ssl = $use;
+    }
+
+    /**
+     * Add ID Handler
+     *
+     * @param integer $id
+     * @param string $pointer
+     * @param string $obj
+     */
+    public function addIdHandler($id, $pointer, $obj = null)
+    {
+        $this->idhandlers[$id] = array($pointer, $obj);
+    }
+
+    /**
+     * Add Handler
+     *
+     * @param string $name
+     * @param string $ns
+     * @param string $pointer
+     * @param string $obj
+     * @param integer $depth
+     */
+    public function addHandler($name, $ns, $pointer, $obj = null, $depth = 1)
+    {
+        #TODO deprication warning
+        $this->nshandlers[] = array($name, $ns, $pointer, $obj, $depth);
+    }
+
+    /**
+     * Add XPath Handler
+     *
+     * @param string $xpath
+     * @param string $pointer
+     * @param
+     */
+    public function addXPathHandler($xpath, $pointer, $obj = null)
+    {
+        if (preg_match_all("/\(?{[^\}]+}\)?(\/?)[^\/]+/", $xpath, $regs)) {
+            $ns_tags = $regs[0];
+        } else {
+            $ns_tags = array($xpath);
+        }
+        foreach ($ns_tags as $ns_tag) {
+            list($l, $r) = explode("}", $ns_tag);
+            if ($r != null) {
+                $xpart = array(substr($l, 1), $r);
+            } else {
+                $xpart = array(null, $l);
+            }
+            $xpath_array[] = $xpart;
+        }
+        $this->xpathhandlers[] = array($xpath_array, $pointer, $obj);
+    }
+
+    /**
+     * Add Event Handler
+     *
+     * @param $name
+     * @param string $pointer
+     * @param string $obj
+     */
+    public function addEventHandler($name, $pointer, $obj)
+    {
+        $this->eventhandlers[] = array($name, $pointer, $obj);
+    }
+
+    public function setReconnectTimeout($timeout)
+    {
+        $this->reconnectTimeout = $timeout;
+    }
+
+    /**
+     * Are we are disconnected?
+     *
+     * @return boolean
+     */
+    public function isDisconnected()
+    {
+        return $this->disconnected;
+    }
+
+    /**
+     * Process
+     *
+     */
+    public function process()
+    {
+        $this->__process(NULL);
+    }
+
+    /**
+     * Process until a timeout occurs
+     *
+     * @param integer $timeout
+     * @return string
+     * @throws Exception
+     */
+    public function processTime($timeout = NULL)
+    {
+        if (is_null($timeout)) {
+            return $this->__process(NULL);
+        } else {
+            return $this->__process($timeout * 1000000);
+        }
+    }
+
+    /**
+     * Obsolete?
+     * @param $socket
+     */
+    public function Xapply_socket($socket)
+    {
+        $this->socket = $socket;
+    }
+
+    /**
+     * XML start callback
+     *
+     * @param resource $parser
+     * @param string $name
+     * @param $attr
+     * @see xml_set_element_handler
+     */
+    public function startXML($parser, $name, $attr)
+    {
+        if ($this->been_reset) {
+            $this->been_reset = false;
+            $this->xml_depth = 0;
+        }
+        $this->xml_depth++;
+        if (array_key_exists('XMLNS', $attr)) {
+            $this->current_ns[$this->xml_depth] = $attr['XMLNS'];
+        } else {
+            $this->current_ns[$this->xml_depth] = $this->current_ns[$this->xml_depth - 1];
+            if (!$this->current_ns[$this->xml_depth]) $this->current_ns[$this->xml_depth] = $this->default_ns;
+        }
+        $ns = $this->current_ns[$this->xml_depth];
+        foreach ($attr as $key => $value) {
+            if (strstr($key, ":")) {
+                $key = explode(':', $key);
+                $key = $key[1];
+                $this->ns_map[$key] = $value;
+            }
+        }
+        if (!strstr($name, ":") === false) {
+            $name = explode(':', $name);
+            $ns = $this->ns_map[$name[0]];
+            $name = $name[1];
+        }
+        $obj = new XMLObj($name, $ns, $attr);
+        if ($this->xml_depth > 1) {
+            $this->xmlobj[$this->xml_depth - 1]->subs[] = $obj;
+        }
+        $this->xmlobj[$this->xml_depth] = $obj;
+    }
+
+    /**
+     * XML end callback
+     *
+     * @param resource $parser
+     * @param string $name
+     * @throws Exception
+     * @see xml_set_element_handler
+     *
+     */
+    public function endXML($parser, $name)
+    {
+        #$this->log->log("Ending $name",  Log::LEVEL_DEBUG);
+        #print "$name\n";
+        if ($this->been_reset) {
+            $this->been_reset = false;
+            $this->xml_depth = 0;
+        }
+        $this->xml_depth--;
+        if ($this->xml_depth == 1) {
+            #clean-up old objects
+            #$found = false; #FIXME This didn't appear to be in use --Gar
+            foreach ($this->xpathhandlers as $handler) {
+                if (is_array($this->xmlobj) && array_key_exists(2, $this->xmlobj)) {
+                    $searchxml = $this->xmlobj[2];
+                    $nstag = array_shift($handler[0]);
+                    if (($nstag[0] == null or $searchxml->ns == $nstag[0]) and ($nstag[1] == "*" or $nstag[1] == $searchxml->name)) {
+                        foreach ($handler[0] as $nstag) {
+                            if ($searchxml !== null and $searchxml->hasSub($nstag[1], $ns = $nstag[0])) {
+                                $searchxml = $searchxml->sub($nstag[1], $ns = $nstag[0]);
+                            } else {
+                                $searchxml = null;
+                                break;
+                            }
+                        }
+                        if ($searchxml !== null) {
+                            if ($handler[2] === null) $handler[2] = $this;
+                            $this->log->log("Calling {$handler[1]}", Log::LEVEL_DEBUG);
+                            $handler[2]->{$handler[1]}($this->xmlobj[2]);
+                        }
+                    }
+                }
+            }
+            foreach ($this->nshandlers as $handler) {
+                if ($handler[4] != 1 and array_key_exists(2, $this->xmlobj) and $this->xmlobj[2]->hasSub($handler[0])) {
+                    $searchxml = $this->xmlobj[2]->sub($handler[0]);
+                } elseif (is_array($this->xmlobj) and array_key_exists(2, $this->xmlobj)) {
+                    $searchxml = $this->xmlobj[2];
+                }
+                if ($searchxml !== null and $searchxml->name == $handler[0] and ($searchxml->ns == $handler[1] or (!$handler[1] and $searchxml->ns == $this->default_ns))) {
+                    if ($handler[3] === null) $handler[3] = $this;
+                    $this->log->log("Calling {$handler[2]}", Log::LEVEL_DEBUG);
+                    $handler[3]->{$handler[2]}($this->xmlobj[2]);
+                }
+            }
+            foreach ($this->idhandlers as $id => $handler) {
+                if (array_key_exists('id', $this->xmlobj[2]->attrs) and $this->xmlobj[2]->attrs['id'] == $id) {
+                    if ($handler[1] === null) $handler[1] = $this;
+                    $handler[1]->{$handler[0]}($this->xmlobj[2]);
+                    #id handlers are only used once
+                    unset($this->idhandlers[$id]);
+                    break;
+                }
+            }
+            if (is_array($this->xmlobj)) {
+                $this->xmlobj = array_slice($this->xmlobj, 0, 1);
+                if (isset($this->xmlobj[0]) && $this->xmlobj[0] instanceof XMLObj) {
+                    $this->xmlobj[0]->subs = null;
+                }
+            }
+            unset($this->xmlobj[2]);
+        }
+        if ($this->xml_depth == 0 and !$this->been_reset) {
+            if (!$this->disconnected) {
+                if (!$this->sent_disconnect) {
+                    $this->send($this->stream_end);
+                }
+                $this->disconnected = true;
+                $this->sent_disconnect = true;
+                fclose($this->socket);
+                if ($this->reconnect) {
+                    $this->doReconnect();
+                }
+            }
+            $this->event('end_stream');
+        }
+    }
+
+    /**
+     * XML character callback
+     * @param resource $parser
+     * @param string $data
+     * @see xml_set_character_data_handler
+     *
+     */
+    public function charXML($parser, $data)
+    {
+        if (array_key_exists($this->xml_depth, $this->xmlobj)) {
+            $this->xmlobj[$this->xml_depth]->data .= $data;
+        }
+    }
+
+    /**
+     * Read from socket
+     */
+    public function read()
+    {
+        $buff = @fread($this->socket, 1024);
+        if (!$buff) {
+            if ($this->reconnect) {
+                $this->doReconnect();
+            } else {
+                fclose($this->socket);
+                return false;
+            }
+        }
+        $this->log->log("RECV: $buff", Log::LEVEL_VERBOSE);
+        xml_parse($this->parser, $buff, false);
+    }
+
+    public function time()
+    {
+        list($usec, $sec) = explode(" ", microtime());
+        return (float)$sec + (float)$usec;
+    }
+
+    public function readyToProcess()
+    {
+        $read = array($this->socket);
+        $write = array();
+        $except = array();
+        $updated = @stream_select($read, $write, $except, 0);
+        return (($updated !== false) && ($updated > 0));
+    }
 }
diff --git a/plugins/Xmpp/extlib/XMPPHP/XMPP.php b/plugins/Xmpp/extlib/XMPPHP/XMPP.php
index c0f8963396..55b58db0fd 100644
--- a/plugins/Xmpp/extlib/XMPPHP/XMPP.php
+++ b/plugins/Xmpp/extlib/XMPPHP/XMPP.php
@@ -1,432 +1,477 @@
 <?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>
+ * @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)
+ * @author     zorn-v (https://github.com/zorn-v/xmpphp/)
+ * @author     GNU social
  * @copyright  2008 Nathanael C. Fritz
  */
 
+namespace XMPPHP;
+
 /** XMPPHP_XMLStream */
-require_once dirname(__FILE__) . "/XMLStream.php";
-require_once dirname(__FILE__) . "/Roster.php";
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'XMLStream.php';
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'Roster.php';
+
 
 /**
- * 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	$Id$
+ * XMPPHP XMPP
+ *
+ * @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 XMPPHP_XMPP extends XMPPHP_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, $payload = null) {
-	    if(is_null($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', $priority=0) {
-		if($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>";
-			if($priority) $out .= "<priority>$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';
-		}
-		$payload['from'] = $xml->attrs['from'];
-		$payload['body'] = $xml->sub('body')->data;
-		$payload['xml'] = $xml;
-		$this->log->log("Message: {$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 : '';
-		$payload['priority'] = (isset($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']}",  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}' />");
-				$this->send("<presence type='subscribe' to='{$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!",  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;
-			$jidarray = explode('/',$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);
-	}
+class XMPP extends XMLStream
+{
+    /**
+     * @var string
+     */
+    public $server;
+
+    /**
+     * @var string
+     */
+    public $user;
+    /**
+     * @var boolean
+     */
+    public $track_presence = true;
+    /**
+     * @var object
+     */
+    public $roster;
+    /**
+     * @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;
+
+    /**
+     * 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->server = $server;
+        $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
+     * @param null $payload
+     * @throws Exception
+     */
+    public function message($to, $body, $type = 'chat', $subject = null, $payload = null)
+    {
+        if ($this->disconnected) {
+            throw new Exception('You need to connect first');
+        }
+
+        if (empty($type)) {
+            $type = 'chat';
+        }
+
+        $to      = htmlspecialchars($to);
+        $body    = htmlspecialchars($body);
+        $subject = htmlspecialchars($subject);
+        $subject = ($subject) ? '<subject>' . $subject . '</subject>' : '';
+        $payload = ($payload) ? $payload : '';
+        $sprintf = '<message from="%s" to="%s" type="%s">%s<body>%s</body>%s</message>';
+        $output  = sprintf($sprintf, $this->fulljid, $to, $type, $subject, $body, $payload);
+        $this->send($output);
+    }
+
+    /**
+     * Set Presence
+     *
+     * @param string $status
+     * @param string $show
+     * @param string $to
+     * @param string $type
+     * @param null $priority
+     * @throws Exception
+     */
+    public function presence($status = null, $show = 'available', $to = null, $type = 'available', $priority = null)
+    {
+        if ($this->disconnected) {
+            throw new Exception('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']}", 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 : '';
+        $payload['priority'] = (isset($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']}", 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}' />");
+                $this->send("<presence type='subscribe' to='{$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);
+        }
+    }
+
+    /**
+     * 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>");
+    }
+
+    /**
+     * Retrieves the vcard
+     * @param null $jid
+     */
+    public function getVCard($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>");
+        }
+    }
+
+    /**
+     * 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 $xml
+     * @throws Exception
+     */
+    protected function sasl_failure_handler($xml)
+    {
+        $this->log->log("Auth failed!", Log::LEVEL_ERROR);
+        $this->disconnect();
+
+        throw new 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;
+            $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>");
+    }
+
+    /**
+     * 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();
+    }
+
+    /**
+     * VCard retrieval handler
+     *
+     * @param XMLObj $xml
+     */
+    protected function vcard_get_handler($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);
+    }
 }
diff --git a/plugins/Xmpp/extlib/XMPPHP/XMPP_Old.php b/plugins/Xmpp/extlib/XMPPHP/XMPP_Old.php
deleted file mode 100644
index 43f56b1546..0000000000
--- a/plugins/Xmpp/extlib/XMPPHP/XMPP_Old.php
+++ /dev/null
@@ -1,114 +0,0 @@
-<?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>
- * @copyright  2008 Nathanael C. Fritz
- */
-
-/** XMPPHP_XMPP 
- *
- * This file is unnecessary unless you need to connect to older, non-XMPP-compliant servers like Dreamhost's.
- * In this case, use instead of XMPPHP_XMPP, otherwise feel free to delete it.
- * The old Jabber protocol wasn't standardized, so use at your own risk.
- *
- */
-require_once "XMPP.php";
-
-	class XMPPHP_XMPPOld extends XMPPHP_XMPP {
-		/**
-		 *
-		 * @var string
-		 */
-		protected $session_id;
-
-		public function __construct($host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null) {
-			parent::__construct($host, $port, $user, $password, $resource, $server, $printlog, $loglevel);
-			if(!$server) $server = $host;
-			$this->stream_start = '<stream:stream to="' . $server . '" xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client">';
-			$this->fulljid = "{$user}@{$server}/{$resource}";
-		}
-	
-		/**
-		 * Override XMLStream's startXML
-		 *
-		 * @param parser $parser
-		 * @param string $name
-		 * @param array $attr
-		 */
-		public function startXML($parser, $name, $attr) {
-			if($this->xml_depth == 0) {
-				$this->session_id = $attr['ID'];
-				$this->authenticate();
-			}
-			parent::startXML($parser, $name, $attr);
-		}
-
-		/**
-		 * Send Authenticate Info Request
-		 *
-		 */
-		public function authenticate() {
-			$id = $this->getId();
-			$this->addidhandler($id, 'authfieldshandler');
-			$this->send("<iq type='get' id='$id'><query xmlns='jabber:iq:auth'><username>{$this->user}</username></query></iq>");
-		}
-
-		/**
-		 * Retrieve auth fields and send auth attempt
-		 *
-		 * @param XMLObj $xml
-		 */
-		public function authFieldsHandler($xml) {
-			$id = $this->getId();
-			$this->addidhandler($id, 'oldAuthResultHandler');
-			if($xml->sub('query')->hasSub('digest')) {
-				$hash = sha1($this->session_id . $this->password);
-				print "{$this->session_id} {$this->password}\n";
-				$out = "<iq type='set' id='$id'><query xmlns='jabber:iq:auth'><username>{$this->user}</username><digest>{$hash}</digest><resource>{$this->resource}</resource></query></iq>";
-			} else {
-				$out = "<iq type='set' id='$id'><query xmlns='jabber:iq:auth'><username>{$this->user}</username><password>{$this->password}</password><resource>{$this->resource}</resource></query></iq>";
-			}
-			$this->send($out);
-
-		}
-		
-		/**
-		 * Determine authenticated or failure
-		 *
-		 * @param XMLObj $xml
-		 */
-		public function oldAuthResultHandler($xml) {
-			if($xml->attrs['type'] != 'result') {
-				$this->log->log("Auth failed!",  XMPPHP_Log::LEVEL_ERROR);
-				$this->disconnect();
-				throw new XMPPHP_Exception('Auth failed!');
-			} else {
-				$this->log->log("Session started");
-				$this->event('session_start');
-			}
-		}
-	}
-
-
-?>
diff --git a/plugins/Xmpp/lib/queuedxmpp.php b/plugins/Xmpp/lib/queuedxmpp.php
index 5a3c464ef4..d0b93e0310 100644
--- a/plugins/Xmpp/lib/queuedxmpp.php
+++ b/plugins/Xmpp/lib/queuedxmpp.php
@@ -4,7 +4,7 @@
  *
  * Queue-mediated proxy class for outgoing XMPP messages.
  *
- * PHP version 5
+ * PHP version 7
  *
  * LICENCE: This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -31,28 +31,32 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
     exit(1);
 }
 
-class QueuedXMPP extends XMPPHP_XMPP
+require_once dirname(__DIR__) . '/extlib/XMPPHP/XMPP.php';
+
+use XMPPHP\XMPP;
+
+class QueuedXMPP extends XMPP
 {
     /**
      * Reference to the XmppPlugin object we're hooked up to.
      */
     public $plugin;
 
-	/**
-	 * Constructor
-	 *
+    /**
+     * Constructor
+     *
      * @param XmppPlugin $plugin
-	 * @param string  $host
-	 * @param integer $port
-	 * @param string  $user
-	 * @param string  $password
-	 * @param string  $resource
-	 * @param string  $server
-	 * @param boolean $printlog
-	 * @param string  $loglevel
-	 */
-	public function __construct($plugin, $host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null)
-	{
+     * @param string $host
+     * @param integer $port
+     * @param string $user
+     * @param string $password
+     * @param string $resource
+     * @param string $server
+     * @param boolean $printlog
+     * @param string $loglevel
+     */
+    public function __construct($plugin, $host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null)
+    {
         $this->plugin = $plugin;
 
         parent::__construct($host, $port, $user, $password, $resource, $server, $printlog, $loglevel);
@@ -76,15 +80,21 @@ class QueuedXMPP extends XMPPHP_XMPP
      * to a real XMPP connection.
      *
      * @param string $msg
+     * @param null $timeout
      */
-    public function send($msg, $timeout=NULL)
+    public function send($msg, $timeout = NULL)
     {
-        $this->plugin->enqueueOutgoingRaw($msg);
+        @$this->plugin->enqueueOutgoingRaw($msg);
     }
 
     //@{
+
     /**
      * Stream i/o functions disabled; only do output
+     * @param int $timeout
+     * @param bool $persistent
+     * @param bool $sendinit
+     * @throws Exception
      */
     public function connect($timeout = 30, $persistent = false, $sendinit = true)
     {
@@ -104,7 +114,7 @@ class QueuedXMPP extends XMPPHP_XMPP
         throw new Exception('Cannot read stream from fake XMPP.');
     }
 
-    public function processUntil($event, $timeout=-1)
+    public function processUntil($event, $timeout = -1)
     {
         // No i18n needed. Test message.
         throw new Exception('Cannot read stream from fake XMPP.');
diff --git a/plugins/Xmpp/lib/sharingxmpp.php b/plugins/Xmpp/lib/sharingxmpp.php
index 99e1978a37..1992320bc3 100644
--- a/plugins/Xmpp/lib/sharingxmpp.php
+++ b/plugins/Xmpp/lib/sharingxmpp.php
@@ -5,7 +5,7 @@
  *
  * Send and receive notices using the Jabber network
  *
- * PHP version 5
+ * PHP version 7
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -34,7 +34,11 @@ if (!defined('STATUSNET')) {
     exit(1);
 }
 
-class SharingXMPP extends XMPPHP_XMPP
+require_once dirname(__DIR__) . '/extlib/XMPPHP/XMPP.php';
+
+use XMPPHP\XMPP;
+
+class SharingXMPP extends XMPP
 {
     function getSocket()
     {
diff --git a/plugins/Xmpp/lib/xmppmanager.php b/plugins/Xmpp/lib/xmppmanager.php
index 44e04a4ae7..e2ea57e7ec 100644
--- a/plugins/Xmpp/lib/xmppmanager.php
+++ b/plugins/Xmpp/lib/xmppmanager.php
@@ -17,7 +17,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+use XMPPHP\Log;
 
 /**
  * XMPP background connection manager for XMPP-using queue handlers,
@@ -31,26 +35,84 @@ if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
  */
 class XmppManager extends ImManager
 {
+    const PING_INTERVAL = 120;
+    public $conn = null;
     protected $lastping = null;
     protected $pingid = null;
 
-    public $conn = null;
-
-    const PING_INTERVAL = 120;
-
     /**
      * Initialize connection to server.
+     * @param $master
      * @return boolean true on success
      */
     public function start($master)
     {
-        if(parent::start($master))
-        {
+        if (parent::start($master)) {
             $this->connect();
             return true;
-        }else{
+        } else {
+            return false;
+        }
+    }
+
+    function connect()
+    {
+        if (!$this->conn || $this->conn->isDisconnected()) {
+            $resource = 'queue' . posix_getpid();
+            $this->conn = new SharingXMPP($this->plugin->host ?
+                $this->plugin->host :
+                $this->plugin->server,
+                $this->plugin->port,
+                $this->plugin->user,
+                $this->plugin->password,
+                $this->plugin->resource,
+                $this->plugin->server,
+                $this->plugin->debug ?
+                    true : false,
+                $this->plugin->debug ?
+                    Log::LEVEL_VERBOSE : null
+            );
+
+            if (!$this->conn) {
+                return false;
+            }
+            $this->conn->addEventHandler('message', 'handle_xmpp_message', $this);
+            $this->conn->addEventHandler('reconnect', 'handle_xmpp_reconnect', $this);
+            $this->conn->setReconnectTimeout(600);
+
+            $this->conn->autoSubscribe();
+            $this->conn->useEncryption($this->plugin->encryption);
+
+            $this->conn->connect(true);
+
+            $this->conn->processUntil('session_start');
+            // TRANS: Presence announcement for XMPP.
+            $this->send_presence(_m('Send me a message to post a notice'), 'available', null, 'available', 100);
+        }
+        return $this->conn;
+    }
+
+    /**
+     * sends a presence stanza on the XMPP network
+     *
+     * @param string $status current status, free-form string
+     * @param string $show structured status value
+     * @param string $to recipient of presence, null for general
+     * @param string $type type of status message, related to $show
+     * @param int $priority priority of the presence
+     *
+     * @return boolean success value
+     */
+
+    function send_presence($status, $show = 'available', $to = null,
+                           $type = 'available', $priority = null)
+    {
+        $this->connect();
+        if (!$this->conn || $this->conn->isDisconnected()) {
             return false;
         }
+        $this->conn->presence($status, $show, $to, $type, $priority);
+        return true;
     }
 
     function send_raw_message($data)
@@ -80,14 +142,9 @@ class XmppManager extends ImManager
     public function handleInput($socket)
     {
         // Process the queue for as long as needed
-        try {
-            common_log(LOG_DEBUG, "Servicing the XMPP queue.");
-            $this->stats('xmpp_process');
-            $this->conn->processTime(0);
-        } catch (XMPPHP_Exception $e) {
-            common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
-            die($e->getMessage());
-        }
+        common_log(LOG_DEBUG, "Servicing the XMPP queue.");
+        $this->stats('xmpp_process');
+        $this->conn->processTime(0);
     }
 
     /**
@@ -99,9 +156,9 @@ class XmppManager extends ImManager
     public function getSockets()
     {
         $this->connect();
-        if($this->conn){
+        if ($this->conn) {
             return array($this->conn->getSocket());
-        }else{
+        } else {
             return array();
         }
     }
@@ -112,63 +169,17 @@ class XmppManager extends ImManager
      *
      * Side effect: kills process on exception from XMPP library.
      *
+     * @param int $timeout
      * @todo FIXME: non-dying error handling
      */
-    public function idle($timeout=0)
+    public function idle($timeout = 0)
     {
         $now = time();
         if (empty($this->lastping) || $now - $this->lastping > self::PING_INTERVAL) {
-            try {
-                $this->send_ping();
-            } catch (XMPPHP_Exception $e) {
-                common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
-                die($e->getMessage());
-            }
+            $this->send_ping();
         }
     }
 
-    function connect()
-    {
-        if (!$this->conn || $this->conn->isDisconnected()) {
-            $resource = 'queue' . posix_getpid();
-            $this->conn = new SharingXMPP($this->plugin->host ?
-                                    $this->plugin->host :
-                                    $this->plugin->server,
-                                    $this->plugin->port,
-                                    $this->plugin->user,
-                                    $this->plugin->password,
-                                    $this->plugin->resource,
-                                    $this->plugin->server,
-                                    $this->plugin->debug ?
-                                    true : false,
-                                    $this->plugin->debug ?
-                                    XMPPHP_Log::LEVEL_VERBOSE :  null
-                                    );
-
-            if (!$this->conn) {
-                return false;
-            }
-            $this->conn->addEventHandler('message', 'handle_xmpp_message', $this);
-            $this->conn->addEventHandler('reconnect', 'handle_xmpp_reconnect', $this);
-            $this->conn->setReconnectTimeout(600);
-
-            $this->conn->autoSubscribe();
-            $this->conn->useEncryption($this->plugin->encryption);
-
-            try {
-                $this->conn->connect(true); // true = persistent connection
-            } catch (XMPPHP_Exception $e) {
-                common_log(LOG_ERR, $e->getMessage());
-                return false;
-            }
-
-            $this->conn->processUntil('session_start');
-            // TRANS: Presence announcement for XMPP.
-            $this->send_presence(_m('Send me a message to post a notice'), 'available', null, 'available', 100);
-        }
-        return $this->conn;
-    }
-
     function send_ping()
     {
         $this->connect();
@@ -183,7 +194,7 @@ class XmppManager extends ImManager
         }
 
         common_log(LOG_DEBUG, "Sending ping #{$this->pingid}");
-		$this->conn->send("<iq from='{$this->plugin->daemonScreenname()}' to='{$this->plugin->server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
+        $this->conn->send("<iq from='{$this->plugin->daemonScreenname()}' to='{$this->plugin->server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
         $this->lastping = $now;
         return true;
     }
@@ -207,35 +218,12 @@ class XmppManager extends ImManager
         $this->send_presence(_m('Send me a message to post a notice'), 'available', null, 'available', 100);
     }
 
-    /**
-     * sends a presence stanza on the XMPP network
-     *
-     * @param string $status   current status, free-form string
-     * @param string $show     structured status value
-     * @param string $to       recipient of presence, null for general
-     * @param string $type     type of status message, related to $show
-     * @param int    $priority priority of the presence
-     *
-     * @return boolean success value
-     */
-
-    function send_presence($status, $show='available', $to=null,
-                                  $type = 'available', $priority=null)
-    {
-        $this->connect();
-        if (!$this->conn || $this->conn->isDisconnected()) {
-            return false;
-        }
-        $this->conn->presence($status, $show, $to, $type, $priority);
-        return true;
-    }
-
     /**
      * sends a "special" presence stanza on the XMPP network
      *
-     * @param string $type   Type of presence
-     * @param string $to     JID to send presence to
-     * @param string $show   show value for presence
+     * @param string $type Type of presence
+     * @param string $to JID to send presence to
+     * @param string $show show value for presence
      * @param string $status status value for presence
      *
      * @return boolean success flag
@@ -243,7 +231,7 @@ class XmppManager extends ImManager
      * @see send_presence()
      */
 
-    function special_presence($type, $to=null, $show=null, $status=null)
+    function special_presence($type, $to = null, $show = null, $status = null)
     {
         // @todo FIXME: why use this instead of send_presence()?
         $this->connect();
@@ -251,7 +239,7 @@ class XmppManager extends ImManager
             return false;
         }
 
-        $to     = htmlspecialchars($to);
+        $to = htmlspecialchars($to);
         $status = htmlspecialchars($status);
 
         $out = "<presence";
-- 
2.39.5