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-rw-r--r--extlib/XMPPHP/XMLStream.php619
1 files changed, 619 insertions, 0 deletions
diff --git a/extlib/XMPPHP/XMLStream.php b/extlib/XMPPHP/XMLStream.php
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+++ b/extlib/XMPPHP/XMLStream.php
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+<?php
+/**
+ * XMPPHP: The PHP XMPP Library
+ * Copyright (C) 2008 Nathanael C. Fritz
+ * This file is part of SleekXMPP.
+ *
+ * XMPPHP is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * XMPPHP is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with XMPPHP; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category xmpphp
+ * @package XMPPHP
+ * @author Nathanael C. Fritz <JID: fritzy@netflint.net>
+ * @author Stephan Wentz <JID: stephan@jabber.wentz.it>
+ * @copyright 2008 Nathanael C. Fritz
+ */
+
+/** XMPPHP_Exception */
+require_once 'Exception.php';
+
+/** XMPPHP_XMLObj */
+require_once 'XMLObj.php';
+
+/** XMPPHP_Log */
+require_once '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>
+ * @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 $idhandlers = array();
+ /**
+ * @var array
+ */
+ protected $eventhandlers = array();
+ /**
+ * @var integer
+ */
+ protected $lastid = 0;
+ /**
+ * @var string
+ */
+ protected $default_ns;
+ /**
+ * @var string
+ */
+ protected $until = '';
+ /**
+ * @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;
+
+ /**
+ * 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 integer $id
+ * @param string $ns
+ * @param string $pointer
+ * @param string $obj
+ * @param integer $depth
+ */
+ public function addHandler($name, $ns, $pointer, $obj = null, $depth = 1) {
+ $this->nshandlers[] = array($name,$ns,$pointer,$obj, $depth);
+ }
+
+ /**
+ * Add Evemt Handler
+ *
+ * @param integer $id
+ * @param string $pointer
+ * @param string $obj
+ */
+ public function addEventHandler($name, $pointer, $obj) {
+ $this->eventhanders[] = array($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->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);
+ $this->disconnected = true;
+
+ throw new XMPPHP_Exception('Could not connect.');
+ }
+ stream_set_blocking($this->socket, 1);
+ if($sendinit) $this->send($this->stream_start);
+ }
+
+ /**
+ * Reconnect XMPP Host
+ */
+ public function doReconnect() {
+ if(!$this->is_server) {
+ $this->log->log("Reconnecting...", XMPPHP_Log::LEVEL_WARNING);
+ $this->connect(30, false, false);
+ $this->reset();
+ }
+ }
+
+ /**
+ * Disconnect from XMPP Host
+ */
+ public function disconnect() {
+ $this->log->log("Disconnecting...", XMPPHP_Log::LEVEL_VERBOSE);
+ $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;
+ }
+
+ private function __process() {
+ $read = array($this->socket);
+ $write = null;
+ $except = null;
+ $updated = @stream_select($read, $write, $except, 1);
+ if ($updated > 0) {
+ $buff = @fread($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);
+ }
+ }
+
+ /**
+ * Process
+ *
+ * @return string
+ */
+ public function process() {
+ $updated = '';
+ while(!$this->disconnect) {
+ $this->__process();
+ }
+ }
+
+ /**
+ * Process until a timeout occurs
+ *
+ * @param integer $timeout
+ * @return string
+ */
+ public function processTime($timeout = -1) {
+ $start = time();
+ $updated = '';
+ while(!$this->disconnected and ($timeout == -1 or time() - $start < $timeout)) {
+ $this->__process();
+ }
+ }
+
+ /**
+ * 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);
+ $updated = '';
+ while(!$this->disconnected and $this->until[$event_key] and (time() - $start < $timeout or $timeout == -1)) {
+ $this->__process();
+ }
+ if(array_key_exists($event_key, $this->until_payload)) {
+ $payload = $this->until_payload[$event_key];
+ } else {
+ $payload = array();
+ }
+ unset($this->until_payload[$event_key]);
+ 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
+ $found = false;
+ foreach($this->nshandlers as $handler) {
+ if($handler[4] != 1 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);
+ $this->until[$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, $rec=false) {
+ if($this->time() - $this->last_send < .1) {
+ usleep(100000);
+ }
+ $wait = true;
+ while($wait) {
+ $read = null;
+ $write = array($this->socket);
+ $except = null;
+ $select = @stream_select($read, $write, $except, 0, 0);
+ if($select === False) {
+ $this->doReconnect();
+ return false;
+ } elseif ($select > 0) {
+ $wait = false;
+ } else {
+ usleep(100000);
+ //$this->processTime(.25);
+ }
+ }
+ $sentbytes = @fwrite($this->socket, $msg, 1024);
+ $this->last_send = $this->time();
+ $this->log->log("SENT: " . mb_substr($msg, 0, $sentbytes, '8bit'), XMPPHP_Log::LEVEL_VERBOSE);
+ if($sentbytes === FALSE) {
+ $this->doReconnect();
+ } elseif ($sentbytes != mb_strlen($msg, '8bit')) {
+ $this->send(mb_substr($msg, $sentbytes, mb_strlen($msg, '8bit'), '8bit'), true);
+ }
+ }
+
+ 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');
+ }
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-14 15:59:41 +0000