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[quix0rs-gnu-social.git] / extlib / XMPPHP / XMPP.php
index d7783b516e7651702731fa18a78caad759a14541..429f45e565eb57648930988c8133b73bd6d26c5d 100644 (file)
  * @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_XMLStream */
-require_once "XMLStream.php";
+require_once dirname(__FILE__) . "/XMLStream.php";
+require_once dirname(__FILE__) . "/Roster.php";
 
 /**
  * XMPPHP Main Class
@@ -35,6 +37,7 @@ require_once "XMLStream.php";
  * @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    $Id$
  */
@@ -42,12 +45,12 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
        /**
         * @var string
         */
-       protected $server;
+       public $server;
 
        /**
         * @var string
         */
-       protected $user;
+       public $user;
        
        /**
         * @var string
@@ -73,6 +76,7 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
         * @var boolean
         */
        protected $authed = false;
+       protected $session_started = false;
        
        /**
         * @var boolean
@@ -84,6 +88,16 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
         */
        protected $use_encryption = true;
        
+       /**
+        * @var boolean
+        */
+       public $track_presence = true;
+       
+       /**
+        * @var object
+        */
+       public $roster;
+
        /**
         * Constructor
         *
@@ -105,16 +119,20 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
                if(!$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->addHandler('features', 'http://etherx.jabber.org/streams', 'features_handler');
-               $this->addHandler('success', 'urn:ietf:params:xml:ns:xmpp-sasl', 'sasl_success_handler');
-               $this->addHandler('failure', 'urn:ietf:params:xml:ns:xmpp-sasl', 'sasl_failure_handler');
-               $this->addHandler('proceed', 'urn:ietf:params:xml:ns:xmpp-tls', 'tls_proceed_handler');
-               $this->addHandler('message', 'jabber:client', 'message_handler');
-               $this->addHandler('presence', 'jabber:client', 'presence_handler');
+               $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');
        }
 
        /**
@@ -144,6 +162,11 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
         * @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);
@@ -164,7 +187,7 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
         * @param string $show
         * @param string $to
         */
-       public function presence($status = null, $show = 'available', $to = null, $type='available') {
+       public function presence($status = null, $show = 'available', $to = null, $type='available', $priority=0) {
                if($type == 'available') $type = '';
                $to      = htmlspecialchars($to);
                $status = htmlspecialchars($status);
@@ -179,11 +202,21 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
                        $out .= ">";
                        if($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
@@ -198,7 +231,7 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
                }
                $payload['from'] = $xml->attrs['from'];
                $payload['body'] = $xml->sub('body')->data;
-               $payload['raw'] = $xml;
+               $payload['xml'] = $xml;
                $this->log->log("Message: {$xml->sub('body')->data}", XMPPHP_Log::LEVEL_DEBUG);
                $this->event('message', $payload);
        }
@@ -213,10 +246,17 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
                $payload['show'] = (isset($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['raw'] = $xml;         
+               $payload['priority'] = (isset($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='{$this->fulljid}' /><presence type='subscribe' to='{$xml->attrs['from']}' from='{$this->fulljid}' />");
+                       if($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', $payload);
@@ -233,13 +273,17 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
        protected function features_handler($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')) {
+               } 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'/>");
+                       }       
                }
        }
 
@@ -275,6 +319,8 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
                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');
@@ -287,17 +333,42 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
        */
        public function getRoster() {
                $id = $this->getID();
-               $this->addIdHandler($id, 'roster_get_handler');
                $this->send("<iq xmlns='jabber:client' type='get' id='$id'><query xmlns='jabber:iq:roster' /></iq>");
        }
 
        /**
-       * Roster retrieval handler
+       * Roster iq handler
+       * Gets all packets matching XPath "iq/{jabber:iq:roster}query'
        *
        * @param string $xml
        */
-       protected function roster_get_handler($xml) {
-               // TODO: make this work
+       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']}\" />");
+               }
        }
 
        /**
@@ -307,6 +378,7 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
         */
        protected function session_start_handler($xml) {
                $this->log->log("Session started");
+               $this->session_started = true;
                $this->event('session_start');
        }
 
@@ -320,4 +392,41 @@ class XMPPHP_XMPP extends XMPPHP_XMLStream {
                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);
+       }
 }