237 lines
6.4 KiB
PHP
237 lines
6.4 KiB
PHP
<?php
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class XMLObj {
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var $name;
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var $ns;
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var $attrs = array();
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var $subs = array();
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var $data = '';
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function XMLObj($name, $ns='', $attrs=array(), $data='') {
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$this->name = strtolower($name);
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$this->ns = $ns;
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if(is_array($attrs)) {
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foreach($attrs as $key => $value) {
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$this->attrs[strtolower($key)] = $value;
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}
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}
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$this->data = $data;
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}
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function printobj($depth=0) {
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print str_repeat("\t", $depth) . $this->name . " " . $this->ns . ' ' . $this->data;
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print "\n";
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foreach($this->subs as $sub) {
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$sub->printobj($depth + 1);
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}
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}
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function hassub($name) {
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foreach($this->subs as $sub) {
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if($sub->name == $name) return True;
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}
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return False;
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}
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function sub($name, $attrs=Null, $ns=Null) {
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foreach($this->subs as $sub) {
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if($sub->name == $name) return $sub;
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}
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}
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}
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class XMLStream {
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var $socket;
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var $parser;
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var $buffer;
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var $xml_depth = 0;
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var $host;
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var $port;
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var $stream_start = '<stream>';
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var $disconnect = false;
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var $ns_map = array();
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var $current_ns;
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var $xmlobj = Null;
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var $nshandlers = array();
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var $idhandlers = array();
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var $lastid = 0;
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function XMLStream($host, $port) {
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#$this->socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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$this->host = $host;
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$this->port = $port;
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#set up the parser
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$this->setupParser();
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}
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function getId() {
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$this->lastid++;
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return $this->lastid;
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}
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function addIdHandler($id, $pointer, $obj=Null) {
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$this->idhandlers[$id] = array($pointer, $obj);
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}
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function addHandler($name, $ns, $pointer, $obj=Null) {
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$this->nshandlers[] = array($name,$ns,$pointer,$obj);
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}
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function connect() {
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#if(socket_connect($this->socket, $this->host, $this->port)) {
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# socket_write($this->socket, $this->stream_start);
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#}
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$this->socket = stream_socket_client("tcp://{$this->host}:{$this->port}");
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$this->send($this->stream_start);
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}
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function process() {
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while(!$this->disconnect) {
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#$buff = socket_read($this->socket, 1024);
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$buff = fread($this->socket, 1024);
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xml_parse($this->parser, $buff, False);
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# parse whatever we get out of the socket
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}
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}
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function startXML($parser, $name, $attr) {
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$this->xml_depth++;
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if(array_key_exists('XMLNS', $attr)) {
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$this->current_ns = $attr['XMLNS'];
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}
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$ns = $this->current_ns;
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foreach($attr as $key => $value) {
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if(strstr($key, ":")) {
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$key = explode(':', $key);
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$key = $key[1];
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$this->ns_map[$key] = $value;
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}
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}
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if(!strstr($name, ":") === False)
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{
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$name = explode(':', $name);
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$ns = $this->ns_map[$name[0]];
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$name = $name[1];
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}
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#print $this->xml_depth . ' ' . $name . ' ' . $ns . ' ' . $attr . "\n";
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$obj = new XMLObj($name, $ns, $attr);
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if($this->xml_depth > 1)
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$this->xmlobj[$this->xml_depth - 1]->subs[] = $obj;
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$this->xmlobj[$this->xml_depth] = $obj;
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}
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function endXML($parser, $name) {
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$this->xml_depth--;
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if($this->xml_depth == 1) {
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#$this->xmlobj[2]->printobj();
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#clean-up old objects
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$found = False;
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foreach($this->nshandlers as $handler) {
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if($this->xmlobj[2]->name == $handler[0] and $this->xmlobj[2]->ns == $handler[1]) {
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if($handler[3] === Null) $handler[3] = $this;
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call_user_method($handler[2], $handler[3], $this->xmlobj[2]);
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break;
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}
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}
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foreach($this->idhandlers as $id => $handler) {
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if($this->xmlobj[2]->attrs['id'] == $id) {
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if($handler[1] === Null) $handler[1] = $this;
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call_user_method($handler[0], $handler[1], $this->xmlobj[2]);
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#id handlers are only used once
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unset($this->idhandlers[$id]);
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break;
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}
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}
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if(is_array($this->xmlobj)) {
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$this->xmlobj = array_slice($this->xmlobj, 0, 1);
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$this->xmlobj[0]->subs = Null;
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}
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}
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}
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function charXML($parser, $data) {
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$this->xmlobj[$this->xml_depth]->data = $data;
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}
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function send($msg) {
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#socket_write($this->socket, $msg);
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fwrite($this->socket, $msg);
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}
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function reset() {
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$this->xml_depth = 0;
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$this->xmlobj = Null;
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$this->setupParser();
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$this->send($this->stream_start);
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}
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function setupParser() {
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$this->parser = xml_parser_create();
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xml_set_object($this->parser, $this);
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xml_set_element_handler($this->parser, 'startXML', 'endXML');
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xml_set_character_data_handler($this->parser, 'charXML');
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}
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}
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class XMPP extends XMLStream {
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var $server;
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var $user;
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var $password;
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var $resource;
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function XMPP($host, $port, $user, $password, $resource, $server=Null) {
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$this->XMLStream($host, $port);
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$this->user = $user;
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$this->password = $password;
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$this->resource = $resource;
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if(!$server) $server = $host;
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$this->stream_start = '<stream:stream to="' . $server . '" xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0">\n';
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$this->addHandler('features', 'http://etherx.jabber.org/streams', 'features_handler');
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$this->addHandler('success', 'urn:ietf:params:xml:ns:xmpp-sasl', 'sasl_success_handler');
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$this->addHandler('failure', 'urn:ietf:params:xml:ns:xmpp-sasl', 'sasl_failure_handler');
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$this->addHandler('proceed', 'urn:ietf:params:xml:ns:xmpp-tls', 'tls_proceed_handler');
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}
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function features_handler($xml) {
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if($xml->hassub('starttls')) {
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$this->send("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'><required /></starttls>");
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} elseif($xml->hassub('bind')) {
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$id = $this->getId();
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print "ok, we can bind $id\n";
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$this->addIdHandler($id, 'resource_bind_handler');
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$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>");
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} else {
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print "Attempting Auth...\n";
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$this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>" . base64_encode("\x00" . $this->user . "\x00" . $this->password) . "</auth>");
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}
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}
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function sasl_success_handler($xml) {
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print "Auth success!\n";
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$this->reset();
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}
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function sasl_failure_handler($xml) {
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print "Auth failed!\n";
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}
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function resource_bind_handler($xml) {
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if($xml->attrs['type'] == 'result') print "Bound to " . $xml->sub('bind')->sub('jid')->data . "\n";
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$id = $this->getId();
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$this->addIdHandler($id, 'session_start_handler');
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$this->send("<iq xmlns='jabber:client' type='set' id='$id'><session xmlns='urn:ietf:params:xml:ns:xmpp-session' /></iq>");
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}
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function session_start_handler($xml) {
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print "session started\n";
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}
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function tls_proceed_handler($xml) {
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print "Starting TLS connection\n";
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stream_socket_enable_crypto($this->socket, True, STREAM_CRYPTO_METHOD_TLS_CLIENT);
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$this->reset();
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}
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}
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