name = strtolower($name);
$this->ns = $ns;
if(is_array($attrs) && count($attrs)) {
foreach($attrs as $key => $value) {
$this->attrs[strtolower($key)] = $value;
}
}
$this->data = $data;
}
public function printObj($depth = 0) {
print str_repeat("\t", $depth) . $this->name . " " . $this->ns . ' ' . $this->data;
print "\n";
foreach($this->subs as $sub) {
$sub->printObj($depth + 1);
}
}
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);
$str .= "$bodyname}>";
return $str;
}
public function hasSub($name, $ns = null) {
foreach($this->subs as $sub) {
if(($name == "*" or $sub->name == $name) and ($ns == null or $sub->ns == $ns)) return true;
}
return false;
}
public function sub($name, $attrs = null, $ns = null) {
foreach($this->subs as $sub) {
if($sub->name == $name and ($ns == null or $sub->ns == $ns)) {
return $sub;
}
}
}
}
class XMPPHP_Log {
const LEVEL_ERROR = 0;
const LEVEL_WARNING = 1;
const LEVEL_INFO = 2;
const LEVEL_DEBUG = 3;
const LEVEL_VERBOSE = 4;
protected $data = array();
protected $names = array('ERROR', 'WARNING', 'INFO', 'DEBUG', 'VERBOSE');
protected $runlevel;
protected $printout;
public function __construct($printout = false, $runlevel = self::LEVEL_INFO) {
$this->printout = (boolean)$printout;
$this->runlevel = (int)$runlevel;
}
public function log($msg, $runlevel = self::LEVEL_INFO) {
$time = time();
if($this->printout and $runlevel <= $this->runlevel) {
$this->writeLine($msg, $runlevel, $time);
}
}
public function printout($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 $time." [".$this->names[$runlevel]."]: ".$msg."\n";
flush();
}
}
class XMPPHP_XMLStream {
protected $socket;
protected $parser;
protected $buffer;
protected $xml_depth = 0;
protected $host;
protected $port;
protected $stream_start = '';
protected $stream_end = '';
protected $disconnected = false;
protected $sent_disconnect = false;
protected $ns_map = array();
protected $current_ns = array();
protected $xmlobj = null;
protected $nshandlers = array();
protected $xpathhandlers = array();
protected $idhandlers = array();
protected $eventhandlers = array();
protected $lastid = 0;
protected $default_ns;
protected $until = '';
protected $until_count = '';
protected $until_happened = false;
protected $until_payload = array();
protected $log;
protected $reconnect = true;
protected $been_reset = false;
protected $is_server;
protected $last_send = 0;
protected $use_ssl = false;
protected $reconnectTimeout = 5;
/**
* 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
* p e i n 5 2
* @return integer
*/
public function getId() {
$this->lastid++;
return $this->lastid;
}
public function useSSL($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) = split("}", $ns_tag);
if ($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);
$this->log->log("SENT: " . substr($msg, 0, $sentbytes), XMPPHP_Log::LEVEL_VERBOSE);
if($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 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 = false;
/**
* @var boolean
*/
public $track_presence = true;
/**
* Constructor
*
* @param string $host
* @param integer $port
* @param string $user
* @param string $password
* @param string $resource
* @param string $server
* @param boolean $printlog
* @param string $loglevel
*/
public function __construct($host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null) {
parent::__construct($host, $port, $printlog, $loglevel);
$this->user = $user;
$this->password = $password;
$this->resource = $resource;
if(!$server) $server = $host;
$this->basejid = $this->user . '@' . $this->host;
$this->stream_start = '';
$this->stream_end = '';
$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');
}
/**
* Turn encryption on/ff
*
* @param boolean $useEncryption
*/
public function useEncryption($useEncryption = true) {
$this->use_encryption = $useEncryption;
}
/**
* 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);
$out = "fulljid}\" to=\"$to\" type='$type'>";
if($subject) $out .= "$subject";
$out .= "$body";
if($payload) $out .= $payload;
$out .= "";
$this->send($out);
}
/**
* Send XMPP MALING
*
* @param string $to
* @param string $body
* @param string $type
*/
public function maling($to, $body, $type = 'chat') {
if(is_null($type))
{
$type = 'chat';
}
$to = htmlspecialchars($to);
$body = htmlspecialchars($body);
$out = "";
$out .= "$body";
$out .= "";
$this->send($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';
$out = "send($out);
}
/**
* Features handler
*
* @param string $xml
*/
protected function features_handler($xml) {
if($xml->hasSub('starttls') and $this->use_encryption) {
$this->send("");
} elseif($xml->hasSub('bind') and $this->authed) {
$id = $this->getId();
$this->addIdHandler($id, 'resource_bind_handler');
$this->send("{$this->resource}");
} else {
$this->log->log("Attempting Auth...");
if ($this->password) {
$this->send("" . base64_encode("\x00" . $this->user . "\x00" . $this->password) . "");
} else {
$this->send("");
}
}
}
/**
* 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');
$this->send("");
}
/**
* Retrieves the roster
*
*/
public function pein52($to,$status,$roompwd) {
$this->send("$status$roompwd");
}
/**
* 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();
}
}