1039 lines
35 KiB
PHP
1039 lines
35 KiB
PHP
<?php
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/**
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* transport class for sending/receiving data via HTTP and HTTPS
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* NOTE: PHP must be compiled with the CURL extension for HTTPS support
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*
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* @author Dietrich Ayala <dietrich@ganx4.com>
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* @version $Id: class.soap_transport_http.php,v 1.57 2005/07/27 19:24:42 snichol Exp $
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* @access public
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*/
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class soap_transport_http extends nusoap_base {
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var $url = '';
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var $uri = '';
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var $digest_uri = '';
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var $scheme = '';
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var $host = '';
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var $port = '';
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var $path = '';
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var $request_method = 'POST';
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var $protocol_version = '1.0';
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var $encoding = '';
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var $outgoing_headers = array();
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var $incoming_headers = array();
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var $incoming_cookies = array();
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var $outgoing_payload = '';
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var $incoming_payload = '';
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var $useSOAPAction = true;
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var $persistentConnection = false;
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var $ch = false; // cURL handle
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var $username = '';
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var $password = '';
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var $authtype = '';
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var $digestRequest = array();
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var $certRequest = array(); // keys must be cainfofile (optional), sslcertfile, sslkeyfile, passphrase, verifypeer (optional), verifyhost (optional)
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// cainfofile: certificate authority file, e.g. '$pathToPemFiles/rootca.pem'
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// sslcertfile: SSL certificate file, e.g. '$pathToPemFiles/mycert.pem'
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// sslkeyfile: SSL key file, e.g. '$pathToPemFiles/mykey.pem'
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// passphrase: SSL key password/passphrase
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// verifypeer: default is 1
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// verifyhost: default is 1
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/**
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* constructor
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*/
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function soap_transport_http($url){
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parent::nusoap_base();
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$this->setURL($url);
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ereg('\$Revisio' . 'n: ([^ ]+)', $this->revision, $rev);
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$this->outgoing_headers['User-Agent'] = $this->title.'/'.$this->version.' ('.$rev[1].')';
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$this->debug('set User-Agent: ' . $this->outgoing_headers['User-Agent']);
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}
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function setURL($url) {
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$this->url = $url;
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$u = parse_url($url);
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foreach($u as $k => $v){
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$this->debug("$k = $v");
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$this->$k = $v;
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}
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// add any GET params to path
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if(isset($u['query']) && $u['query'] != ''){
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$this->path .= '?' . $u['query'];
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}
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// set default port
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if(!isset($u['port'])){
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if($u['scheme'] == 'https'){
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$this->port = 443;
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} else {
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$this->port = 80;
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}
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}
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$this->uri = $this->path;
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$this->digest_uri = $this->uri;
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// build headers
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if (!isset($u['port'])) {
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$this->outgoing_headers['Host'] = $this->host;
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} else {
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$this->outgoing_headers['Host'] = $this->host.':'.$this->port;
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}
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$this->debug('set Host: ' . $this->outgoing_headers['Host']);
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if (isset($u['user']) && $u['user'] != '') {
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$this->setCredentials(urldecode($u['user']), isset($u['pass']) ? urldecode($u['pass']) : '');
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}
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}
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function connect($connection_timeout=0,$response_timeout=30){
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// For PHP 4.3 with OpenSSL, change https scheme to ssl, then treat like
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// "regular" socket.
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// TODO: disabled for now because OpenSSL must be *compiled* in (not just
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// loaded), and until PHP5 stream_get_wrappers is not available.
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// if ($this->scheme == 'https') {
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// if (version_compare(phpversion(), '4.3.0') >= 0) {
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// if (extension_loaded('openssl')) {
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// $this->scheme = 'ssl';
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// $this->debug('Using SSL over OpenSSL');
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// }
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// }
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// }
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$this->debug("connect connection_timeout $connection_timeout, response_timeout $response_timeout, scheme $this->scheme, host $this->host, port $this->port");
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if ($this->scheme == 'http' || $this->scheme == 'ssl') {
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// use persistent connection
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if($this->persistentConnection && isset($this->fp) && is_resource($this->fp)){
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if (!feof($this->fp)) {
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$this->debug('Re-use persistent connection');
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return true;
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}
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fclose($this->fp);
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$this->debug('Closed persistent connection at EOF');
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}
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// munge host if using OpenSSL
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if ($this->scheme == 'ssl') {
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$host = 'ssl://' . $this->host;
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} else {
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$host = $this->host;
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}
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$this->debug('calling fsockopen with host ' . $host . ' connection_timeout ' . $connection_timeout);
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// open socket
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if($connection_timeout > 0){
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$this->fp = @fsockopen( $host, $this->port, $this->errno, $this->error_str, $connection_timeout);
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} else {
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$this->fp = @fsockopen( $host, $this->port, $this->errno, $this->error_str);
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}
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// test pointer
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if(!$this->fp) {
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$msg = 'Couldn\'t open socket connection to server ' . $this->url;
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if ($this->errno) {
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$msg .= ', Error ('.$this->errno.'): '.$this->error_str;
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} else {
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$msg .= ' prior to connect(). This is often a problem looking up the host name.';
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}
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$this->debug($msg);
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$this->setError($msg);
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return false;
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}
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// set response timeout
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$this->debug('set response timeout to ' . $response_timeout);
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socket_set_timeout( $this->fp, $response_timeout);
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$this->debug('socket connected');
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return true;
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} else if ($this->scheme == 'https') {
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if (!extension_loaded('curl')) {
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$this->setError('CURL Extension, or OpenSSL extension w/ PHP version >= 4.3 is required for HTTPS');
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return false;
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}
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$this->debug('connect using https');
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// init CURL
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$this->ch = curl_init();
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// set url
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$hostURL = ($this->port != '') ? "https://$this->host:$this->port" : "https://$this->host";
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// add path
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$hostURL .= $this->path;
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curl_setopt($this->ch, CURLOPT_URL, $hostURL);
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// follow location headers (re-directs)
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curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1);
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// ask for headers in the response output
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curl_setopt($this->ch, CURLOPT_HEADER, 1);
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// ask for the response output as the return value
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curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
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// encode
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// We manage this ourselves through headers and encoding
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// if(function_exists('gzuncompress')){
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// curl_setopt($this->ch, CURLOPT_ENCODING, 'deflate');
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// }
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// persistent connection
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if ($this->persistentConnection) {
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// The way we send data, we cannot use persistent connections, since
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// there will be some "junk" at the end of our request.
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//curl_setopt($this->ch, CURL_HTTP_VERSION_1_1, true);
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$this->persistentConnection = false;
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$this->outgoing_headers['Connection'] = 'close';
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$this->debug('set Connection: ' . $this->outgoing_headers['Connection']);
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}
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// set timeout
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if ($connection_timeout != 0) {
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curl_setopt($this->ch, CURLOPT_TIMEOUT, $connection_timeout);
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}
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// TODO: cURL has added a connection timeout separate from the response timeout
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//if ($connection_timeout != 0) {
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// curl_setopt($this->ch, CURLOPT_CONNECTIONTIMEOUT, $connection_timeout);
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//}
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//if ($response_timeout != 0) {
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// curl_setopt($this->ch, CURLOPT_TIMEOUT, $response_timeout);
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//}
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// recent versions of cURL turn on peer/host checking by default,
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// while PHP binaries are not compiled with a default location for the
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// CA cert bundle, so disable peer/host checking.
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//curl_setopt($this->ch, CURLOPT_CAINFO, 'f:\php-4.3.2-win32\extensions\curl-ca-bundle.crt');
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curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0);
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curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0);
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// support client certificates (thanks Tobias Boes, Doug Anarino, Eryan Ariobowo)
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if ($this->authtype == 'certificate') {
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if (isset($this->certRequest['cainfofile'])) {
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curl_setopt($this->ch, CURLOPT_CAINFO, $this->certRequest['cainfofile']);
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}
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if (isset($this->certRequest['verifypeer'])) {
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curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, $this->certRequest['verifypeer']);
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} else {
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curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 1);
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}
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if (isset($this->certRequest['verifyhost'])) {
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curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, $this->certRequest['verifyhost']);
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} else {
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curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 1);
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}
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if (isset($this->certRequest['sslcertfile'])) {
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curl_setopt($this->ch, CURLOPT_SSLCERT, $this->certRequest['sslcertfile']);
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}
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if (isset($this->certRequest['sslkeyfile'])) {
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curl_setopt($this->ch, CURLOPT_SSLKEY, $this->certRequest['sslkeyfile']);
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}
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if (isset($this->certRequest['passphrase'])) {
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curl_setopt($this->ch, CURLOPT_SSLKEYPASSWD , $this->certRequest['passphrase']);
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}
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}
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$this->debug('cURL connection set up');
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return true;
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} else {
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$this->setError('Unknown scheme ' . $this->scheme);
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$this->debug('Unknown scheme ' . $this->scheme);
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return false;
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}
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}
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/**
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* send the SOAP message via HTTP
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*
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* @param string $data message data
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* @param integer $timeout set connection timeout in seconds
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* @param integer $response_timeout set response timeout in seconds
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* @param array $cookies cookies to send
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* @return string data
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* @access public
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*/
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function send($data, $timeout=0, $response_timeout=30, $cookies=NULL) {
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$this->debug('entered send() with data of length: '.strlen($data));
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$this->tryagain = true;
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$tries = 0;
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while ($this->tryagain) {
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$this->tryagain = false;
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if ($tries++ < 2) {
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// make connnection
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if (!$this->connect($timeout, $response_timeout)){
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return false;
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}
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// send request
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if (!$this->sendRequest($data, $cookies)){
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return false;
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}
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// get response
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$respdata = $this->getResponse();
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} else {
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$this->setError('Too many tries to get an OK response');
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}
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}
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$this->debug('end of send()');
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return $respdata;
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}
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/**
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* send the SOAP message via HTTPS 1.0 using CURL
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*
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* @param string $msg message data
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* @param integer $timeout set connection timeout in seconds
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* @param integer $response_timeout set response timeout in seconds
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* @param array $cookies cookies to send
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* @return string data
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* @access public
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*/
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function sendHTTPS($data, $timeout=0, $response_timeout=30, $cookies) {
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return $this->send($data, $timeout, $response_timeout, $cookies);
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}
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/**
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* if authenticating, set user credentials here
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*
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* @param string $username
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* @param string $password
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* @param string $authtype (basic, digest, certificate)
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* @param array $digestRequest (keys must be nonce, nc, realm, qop)
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* @param array $certRequest (keys must be cainfofile (optional), sslcertfile, sslkeyfile, passphrase, verifypeer (optional), verifyhost (optional): see corresponding options in cURL docs)
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* @access public
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*/
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function setCredentials($username, $password, $authtype = 'basic', $digestRequest = array(), $certRequest = array()) {
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$this->debug("Set credentials for authtype $authtype");
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// cf. RFC 2617
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if ($authtype == 'basic') {
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$this->outgoing_headers['Authorization'] = 'Basic '.base64_encode(str_replace(':','',$username).':'.$password);
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} elseif ($authtype == 'digest') {
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if (isset($digestRequest['nonce'])) {
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$digestRequest['nc'] = isset($digestRequest['nc']) ? $digestRequest['nc']++ : 1;
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// calculate the Digest hashes (calculate code based on digest implementation found at: http://www.rassoc.com/gregr/weblog/stories/2002/07/09/webServicesSecurityHttpDigestAuthenticationWithoutActiveDirectory.html)
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// A1 = unq(username-value) ":" unq(realm-value) ":" passwd
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$A1 = $username. ':' . (isset($digestRequest['realm']) ? $digestRequest['realm'] : '') . ':' . $password;
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// H(A1) = MD5(A1)
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$HA1 = md5($A1);
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// A2 = Method ":" digest-uri-value
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$A2 = 'POST:' . $this->digest_uri;
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// H(A2)
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$HA2 = md5($A2);
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// KD(secret, data) = H(concat(secret, ":", data))
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// if qop == auth:
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// request-digest = <"> < KD ( H(A1), unq(nonce-value)
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// ":" nc-value
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// ":" unq(cnonce-value)
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// ":" unq(qop-value)
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// ":" H(A2)
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// ) <">
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// if qop is missing,
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// request-digest = <"> < KD ( H(A1), unq(nonce-value) ":" H(A2) ) > <">
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$unhashedDigest = '';
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$nonce = isset($digestRequest['nonce']) ? $digestRequest['nonce'] : '';
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$cnonce = $nonce;
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if ($digestRequest['qop'] != '') {
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$unhashedDigest = $HA1 . ':' . $nonce . ':' . sprintf("%08d", $digestRequest['nc']) . ':' . $cnonce . ':' . $digestRequest['qop'] . ':' . $HA2;
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} else {
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$unhashedDigest = $HA1 . ':' . $nonce . ':' . $HA2;
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}
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$hashedDigest = md5($unhashedDigest);
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$this->outgoing_headers['Authorization'] = 'Digest username="' . $username . '", realm="' . $digestRequest['realm'] . '", nonce="' . $nonce . '", uri="' . $this->digest_uri . '", cnonce="' . $cnonce . '", nc=' . sprintf("%08x", $digestRequest['nc']) . ', qop="' . $digestRequest['qop'] . '", response="' . $hashedDigest . '"';
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}
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} elseif ($authtype == 'certificate') {
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$this->certRequest = $certRequest;
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}
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$this->username = $username;
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$this->password = $password;
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$this->authtype = $authtype;
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$this->digestRequest = $digestRequest;
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if (isset($this->outgoing_headers['Authorization'])) {
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$this->debug('set Authorization: ' . substr($this->outgoing_headers['Authorization'], 0, 12) . '...');
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} else {
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$this->debug('Authorization header not set');
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}
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}
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/**
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* set the soapaction value
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*
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* @param string $soapaction
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* @access public
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*/
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function setSOAPAction($soapaction) {
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$this->outgoing_headers['SOAPAction'] = '"' . $soapaction . '"';
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$this->debug('set SOAPAction: ' . $this->outgoing_headers['SOAPAction']);
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}
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/**
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* use http encoding
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*
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* @param string $enc encoding style. supported values: gzip, deflate, or both
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* @access public
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*/
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function setEncoding($enc='gzip, deflate') {
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if (function_exists('gzdeflate')) {
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$this->protocol_version = '1.1';
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$this->outgoing_headers['Accept-Encoding'] = $enc;
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$this->debug('set Accept-Encoding: ' . $this->outgoing_headers['Accept-Encoding']);
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if (!isset($this->outgoing_headers['Connection'])) {
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$this->outgoing_headers['Connection'] = 'close';
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$this->persistentConnection = false;
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$this->debug('set Connection: ' . $this->outgoing_headers['Connection']);
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}
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set_magic_quotes_runtime(0);
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// deprecated
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$this->encoding = $enc;
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}
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}
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/**
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* set proxy info here
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*
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* @param string $proxyhost
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* @param string $proxyport
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* @param string $proxyusername
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* @param string $proxypassword
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* @access public
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*/
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function setProxy($proxyhost, $proxyport, $proxyusername = '', $proxypassword = '') {
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$this->uri = $this->url;
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$this->host = $proxyhost;
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$this->port = $proxyport;
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if ($proxyusername != '' && $proxypassword != '') {
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$this->outgoing_headers['Proxy-Authorization'] = ' Basic '.base64_encode($proxyusername.':'.$proxypassword);
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$this->debug('set Proxy-Authorization: ' . $this->outgoing_headers['Proxy-Authorization']);
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}
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}
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/**
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* decode a string that is encoded w/ "chunked' transfer encoding
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* as defined in RFC2068 19.4.6
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*
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* @param string $buffer
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* @param string $lb
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* @returns string
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* @access public
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* @deprecated
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*/
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function decodeChunked($buffer, $lb){
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// length := 0
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$length = 0;
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$new = '';
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// read chunk-size, chunk-extension (if any) and CRLF
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// get the position of the linebreak
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$chunkend = strpos($buffer, $lb);
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if ($chunkend == FALSE) {
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$this->debug('no linebreak found in decodeChunked');
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return $new;
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}
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$temp = substr($buffer,0,$chunkend);
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$chunk_size = hexdec( trim($temp) );
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$chunkstart = $chunkend + strlen($lb);
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// while (chunk-size > 0) {
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while ($chunk_size > 0) {
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$this->debug("chunkstart: $chunkstart chunk_size: $chunk_size");
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$chunkend = strpos( $buffer, $lb, $chunkstart + $chunk_size);
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// Just in case we got a broken connection
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if ($chunkend == FALSE) {
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$chunk = substr($buffer,$chunkstart);
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// append chunk-data to entity-body
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$new .= $chunk;
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$length += strlen($chunk);
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break;
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}
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// read chunk-data and CRLF
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$chunk = substr($buffer,$chunkstart,$chunkend-$chunkstart);
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// append chunk-data to entity-body
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$new .= $chunk;
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// length := length + chunk-size
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$length += strlen($chunk);
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// read chunk-size and CRLF
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$chunkstart = $chunkend + strlen($lb);
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|
|
$chunkend = strpos($buffer, $lb, $chunkstart) + strlen($lb);
|
|
if ($chunkend == FALSE) {
|
|
break; //Just in case we got a broken connection
|
|
}
|
|
$temp = substr($buffer,$chunkstart,$chunkend-$chunkstart);
|
|
$chunk_size = hexdec( trim($temp) );
|
|
$chunkstart = $chunkend;
|
|
}
|
|
return $new;
|
|
}
|
|
|
|
/*
|
|
* Writes payload, including HTTP headers, to $this->outgoing_payload.
|
|
*/
|
|
function buildPayload($data, $cookie_str = '') {
|
|
// add content-length header
|
|
$this->outgoing_headers['Content-Length'] = strlen($data);
|
|
$this->debug('set Content-Length: ' . $this->outgoing_headers['Content-Length']);
|
|
|
|
// start building outgoing payload:
|
|
$req = "$this->request_method $this->uri HTTP/$this->protocol_version";
|
|
$this->debug("HTTP request: $req");
|
|
$this->outgoing_payload = "$req\r\n";
|
|
|
|
// loop thru headers, serializing
|
|
foreach($this->outgoing_headers as $k => $v){
|
|
$hdr = $k.': '.$v;
|
|
$this->debug("HTTP header: $hdr");
|
|
$this->outgoing_payload .= "$hdr\r\n";
|
|
}
|
|
|
|
// add any cookies
|
|
if ($cookie_str != '') {
|
|
$hdr = 'Cookie: '.$cookie_str;
|
|
$this->debug("HTTP header: $hdr");
|
|
$this->outgoing_payload .= "$hdr\r\n";
|
|
}
|
|
|
|
// header/body separator
|
|
$this->outgoing_payload .= "\r\n";
|
|
|
|
// add data
|
|
$this->outgoing_payload .= $data;
|
|
}
|
|
|
|
function sendRequest($data, $cookies = NULL) {
|
|
// build cookie string
|
|
$cookie_str = $this->getCookiesForRequest($cookies, (($this->scheme == 'ssl') || ($this->scheme == 'https')));
|
|
|
|
// build payload
|
|
$this->buildPayload($data, $cookie_str);
|
|
|
|
if ($this->scheme == 'http' || $this->scheme == 'ssl') {
|
|
// send payload
|
|
if(!fputs($this->fp, $this->outgoing_payload, strlen($this->outgoing_payload))) {
|
|
$this->setError('couldn\'t write message data to socket');
|
|
$this->debug('couldn\'t write message data to socket');
|
|
return false;
|
|
}
|
|
$this->debug('wrote data to socket, length = ' . strlen($this->outgoing_payload));
|
|
return true;
|
|
} else if ($this->scheme == 'https') {
|
|
// set payload
|
|
// TODO: cURL does say this should only be the verb, and in fact it
|
|
// turns out that the URI and HTTP version are appended to this, which
|
|
// some servers refuse to work with
|
|
//curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, $this->outgoing_payload);
|
|
foreach($this->outgoing_headers as $k => $v){
|
|
$curl_headers[] = "$k: $v";
|
|
}
|
|
if ($cookie_str != '') {
|
|
$curl_headers[] = 'Cookie: ' . $cookie_str;
|
|
}
|
|
curl_setopt($this->ch, CURLOPT_HTTPHEADER, $curl_headers);
|
|
if ($this->request_method == "POST") {
|
|
curl_setopt($this->ch, CURLOPT_POST, 1);
|
|
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $data);
|
|
} else {
|
|
}
|
|
$this->debug('set cURL payload');
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function getResponse(){
|
|
$this->incoming_payload = '';
|
|
|
|
if ($this->scheme == 'http' || $this->scheme == 'ssl') {
|
|
// loop until headers have been retrieved
|
|
$data = '';
|
|
while (!isset($lb)){
|
|
|
|
// We might EOF during header read.
|
|
if(feof($this->fp)) {
|
|
$this->incoming_payload = $data;
|
|
$this->debug('found no headers before EOF after length ' . strlen($data));
|
|
$this->debug("received before EOF:\n" . $data);
|
|
$this->setError('server failed to send headers');
|
|
return false;
|
|
}
|
|
|
|
$tmp = fgets($this->fp, 256);
|
|
$tmplen = strlen($tmp);
|
|
$this->debug("read line of $tmplen bytes: " . trim($tmp));
|
|
|
|
if ($tmplen == 0) {
|
|
$this->incoming_payload = $data;
|
|
$this->debug('socket read of headers timed out after length ' . strlen($data));
|
|
$this->debug("read before timeout: " . $data);
|
|
$this->setError('socket read of headers timed out');
|
|
return false;
|
|
}
|
|
|
|
$data .= $tmp;
|
|
$pos = strpos($data,"\r\n\r\n");
|
|
if($pos > 1){
|
|
$lb = "\r\n";
|
|
} else {
|
|
$pos = strpos($data,"\n\n");
|
|
if($pos > 1){
|
|
$lb = "\n";
|
|
}
|
|
}
|
|
// remove 100 header
|
|
if(isset($lb) && ereg('^HTTP/1.1 100',$data)){
|
|
unset($lb);
|
|
$data = '';
|
|
}//
|
|
}
|
|
// store header data
|
|
$this->incoming_payload .= $data;
|
|
$this->debug('found end of headers after length ' . strlen($data));
|
|
// process headers
|
|
$header_data = trim(substr($data,0,$pos));
|
|
$header_array = explode($lb,$header_data);
|
|
$this->incoming_headers = array();
|
|
$this->incoming_cookies = array();
|
|
foreach($header_array as $header_line){
|
|
$arr = explode(':',$header_line, 2);
|
|
if(count($arr) > 1){
|
|
$header_name = strtolower(trim($arr[0]));
|
|
$this->incoming_headers[$header_name] = trim($arr[1]);
|
|
if ($header_name == 'set-cookie') {
|
|
// TODO: allow multiple cookies from parseCookie
|
|
$cookie = $this->parseCookie(trim($arr[1]));
|
|
if ($cookie) {
|
|
$this->incoming_cookies[] = $cookie;
|
|
$this->debug('found cookie: ' . $cookie['name'] . ' = ' . $cookie['value']);
|
|
} else {
|
|
$this->debug('did not find cookie in ' . trim($arr[1]));
|
|
}
|
|
}
|
|
} else if (isset($header_name)) {
|
|
// append continuation line to previous header
|
|
$this->incoming_headers[$header_name] .= $lb . ' ' . $header_line;
|
|
}
|
|
}
|
|
|
|
// loop until msg has been received
|
|
if (isset($this->incoming_headers['transfer-encoding']) && strtolower($this->incoming_headers['transfer-encoding']) == 'chunked') {
|
|
$content_length = 2147483647; // ignore any content-length header
|
|
$chunked = true;
|
|
$this->debug("want to read chunked content");
|
|
} elseif (isset($this->incoming_headers['content-length'])) {
|
|
$content_length = $this->incoming_headers['content-length'];
|
|
$chunked = false;
|
|
$this->debug("want to read content of length $content_length");
|
|
} else {
|
|
$content_length = 2147483647;
|
|
$chunked = false;
|
|
$this->debug("want to read content to EOF");
|
|
}
|
|
$data = '';
|
|
do {
|
|
if ($chunked) {
|
|
$tmp = fgets($this->fp, 256);
|
|
$tmplen = strlen($tmp);
|
|
$this->debug("read chunk line of $tmplen bytes");
|
|
if ($tmplen == 0) {
|
|
$this->incoming_payload = $data;
|
|
$this->debug('socket read of chunk length timed out after length ' . strlen($data));
|
|
$this->debug("read before timeout:\n" . $data);
|
|
$this->setError('socket read of chunk length timed out');
|
|
return false;
|
|
}
|
|
$content_length = hexdec(trim($tmp));
|
|
$this->debug("chunk length $content_length");
|
|
}
|
|
$strlen = 0;
|
|
while (($strlen < $content_length) && (!feof($this->fp))) {
|
|
$readlen = min(8192, $content_length - $strlen);
|
|
$tmp = fread($this->fp, $readlen);
|
|
$tmplen = strlen($tmp);
|
|
$this->debug("read buffer of $tmplen bytes");
|
|
if (($tmplen == 0) && (!feof($this->fp))) {
|
|
$this->incoming_payload = $data;
|
|
$this->debug('socket read of body timed out after length ' . strlen($data));
|
|
$this->debug("read before timeout:\n" . $data);
|
|
$this->setError('socket read of body timed out');
|
|
return false;
|
|
}
|
|
$strlen += $tmplen;
|
|
$data .= $tmp;
|
|
}
|
|
if ($chunked && ($content_length > 0)) {
|
|
$tmp = fgets($this->fp, 256);
|
|
$tmplen = strlen($tmp);
|
|
$this->debug("read chunk terminator of $tmplen bytes");
|
|
if ($tmplen == 0) {
|
|
$this->incoming_payload = $data;
|
|
$this->debug('socket read of chunk terminator timed out after length ' . strlen($data));
|
|
$this->debug("read before timeout:\n" . $data);
|
|
$this->setError('socket read of chunk terminator timed out');
|
|
return false;
|
|
}
|
|
}
|
|
} while ($chunked && ($content_length > 0) && (!feof($this->fp)));
|
|
if (feof($this->fp)) {
|
|
$this->debug('read to EOF');
|
|
}
|
|
$this->debug('read body of length ' . strlen($data));
|
|
$this->incoming_payload .= $data;
|
|
$this->debug('received a total of '.strlen($this->incoming_payload).' bytes of data from server');
|
|
|
|
// close filepointer
|
|
if(
|
|
(isset($this->incoming_headers['connection']) && strtolower($this->incoming_headers['connection']) == 'close') ||
|
|
(! $this->persistentConnection) || feof($this->fp)){
|
|
fclose($this->fp);
|
|
$this->fp = false;
|
|
$this->debug('closed socket');
|
|
}
|
|
|
|
// connection was closed unexpectedly
|
|
if($this->incoming_payload == ''){
|
|
$this->setError('no response from server');
|
|
return false;
|
|
}
|
|
|
|
// decode transfer-encoding
|
|
// if(isset($this->incoming_headers['transfer-encoding']) && strtolower($this->incoming_headers['transfer-encoding']) == 'chunked'){
|
|
// if(!$data = $this->decodeChunked($data, $lb)){
|
|
// $this->setError('Decoding of chunked data failed');
|
|
// return false;
|
|
// }
|
|
//print "<pre>\nde-chunked:\n---------------\n$data\n\n---------------\n</pre>";
|
|
// set decoded payload
|
|
// $this->incoming_payload = $header_data.$lb.$lb.$data;
|
|
// }
|
|
|
|
} else if ($this->scheme == 'https') {
|
|
// send and receive
|
|
$this->debug('send and receive with cURL');
|
|
$this->incoming_payload = curl_exec($this->ch);
|
|
$data = $this->incoming_payload;
|
|
|
|
$cErr = curl_error($this->ch);
|
|
if ($cErr != '') {
|
|
$err = 'cURL ERROR: '.curl_errno($this->ch).': '.$cErr.'<br>';
|
|
// TODO: there is a PHP bug that can cause this to SEGV for CURLINFO_CONTENT_TYPE
|
|
foreach(curl_getinfo($this->ch) as $k => $v){
|
|
$err .= "$k: $v<br>";
|
|
}
|
|
$this->debug($err);
|
|
$this->setError($err);
|
|
curl_close($this->ch);
|
|
return false;
|
|
} else {
|
|
//echo '<pre>';
|
|
//var_dump(curl_getinfo($this->ch));
|
|
//echo '</pre>';
|
|
}
|
|
// close curl
|
|
$this->debug('No cURL error, closing cURL');
|
|
curl_close($this->ch);
|
|
|
|
// remove 100 header(s)
|
|
while (ereg('^HTTP/1.1 100',$data)) {
|
|
if ($pos = strpos($data,"\r\n\r\n")) {
|
|
$data = ltrim(substr($data,$pos));
|
|
} elseif($pos = strpos($data,"\n\n") ) {
|
|
$data = ltrim(substr($data,$pos));
|
|
}
|
|
}
|
|
|
|
// separate content from HTTP headers
|
|
if ($pos = strpos($data,"\r\n\r\n")) {
|
|
$lb = "\r\n";
|
|
} elseif( $pos = strpos($data,"\n\n")) {
|
|
$lb = "\n";
|
|
} else {
|
|
$this->debug('no proper separation of headers and document');
|
|
$this->setError('no proper separation of headers and document');
|
|
return false;
|
|
}
|
|
$header_data = trim(substr($data,0,$pos));
|
|
$header_array = explode($lb,$header_data);
|
|
$data = ltrim(substr($data,$pos));
|
|
$this->debug('found proper separation of headers and document');
|
|
$this->debug('cleaned data, stringlen: '.strlen($data));
|
|
// clean headers
|
|
foreach ($header_array as $header_line) {
|
|
$arr = explode(':',$header_line,2);
|
|
if(count($arr) > 1){
|
|
$header_name = strtolower(trim($arr[0]));
|
|
$this->incoming_headers[$header_name] = trim($arr[1]);
|
|
if ($header_name == 'set-cookie') {
|
|
// TODO: allow multiple cookies from parseCookie
|
|
$cookie = $this->parseCookie(trim($arr[1]));
|
|
if ($cookie) {
|
|
$this->incoming_cookies[] = $cookie;
|
|
$this->debug('found cookie: ' . $cookie['name'] . ' = ' . $cookie['value']);
|
|
} else {
|
|
$this->debug('did not find cookie in ' . trim($arr[1]));
|
|
}
|
|
}
|
|
} else if (isset($header_name)) {
|
|
// append continuation line to previous header
|
|
$this->incoming_headers[$header_name] .= $lb . ' ' . $header_line;
|
|
}
|
|
}
|
|
}
|
|
|
|
$arr = explode(' ', $header_array[0], 3);
|
|
$http_version = $arr[0];
|
|
$http_status = intval($arr[1]);
|
|
$http_reason = count($arr) > 2 ? $arr[2] : '';
|
|
|
|
// see if we need to resend the request with http digest authentication
|
|
if (isset($this->incoming_headers['location']) && $http_status == 301) {
|
|
$this->debug("Got 301 $http_reason with Location: " . $this->incoming_headers['location']);
|
|
$this->setURL($this->incoming_headers['location']);
|
|
$this->tryagain = true;
|
|
return false;
|
|
}
|
|
|
|
// see if we need to resend the request with http digest authentication
|
|
if (isset($this->incoming_headers['www-authenticate']) && $http_status == 401) {
|
|
$this->debug("Got 401 $http_reason with WWW-Authenticate: " . $this->incoming_headers['www-authenticate']);
|
|
if (strstr($this->incoming_headers['www-authenticate'], "Digest ")) {
|
|
$this->debug('Server wants digest authentication');
|
|
// remove "Digest " from our elements
|
|
$digestString = str_replace('Digest ', '', $this->incoming_headers['www-authenticate']);
|
|
|
|
// parse elements into array
|
|
$digestElements = explode(',', $digestString);
|
|
foreach ($digestElements as $val) {
|
|
$tempElement = explode('=', trim($val), 2);
|
|
$digestRequest[$tempElement[0]] = str_replace("\"", '', $tempElement[1]);
|
|
}
|
|
|
|
// should have (at least) qop, realm, nonce
|
|
if (isset($digestRequest['nonce'])) {
|
|
$this->setCredentials($this->username, $this->password, 'digest', $digestRequest);
|
|
$this->tryagain = true;
|
|
return false;
|
|
}
|
|
}
|
|
$this->debug('HTTP authentication failed');
|
|
$this->setError('HTTP authentication failed');
|
|
return false;
|
|
}
|
|
|
|
if (
|
|
($http_status >= 300 && $http_status <= 307) ||
|
|
($http_status >= 400 && $http_status <= 417) ||
|
|
($http_status >= 501 && $http_status <= 505)
|
|
) {
|
|
$this->setError("Unsupported HTTP response status $http_status $http_reason (soapclient2->response has contents of the response)");
|
|
return false;
|
|
}
|
|
|
|
// decode content-encoding
|
|
if(isset($this->incoming_headers['content-encoding']) && $this->incoming_headers['content-encoding'] != ''){
|
|
if(strtolower($this->incoming_headers['content-encoding']) == 'deflate' || strtolower($this->incoming_headers['content-encoding']) == 'gzip'){
|
|
// if decoding works, use it. else assume data wasn't gzencoded
|
|
if(function_exists('gzinflate')){
|
|
//$timer->setMarker('starting decoding of gzip/deflated content');
|
|
// IIS 5 requires gzinflate instead of gzuncompress (similar to IE 5 and gzdeflate v. gzcompress)
|
|
// this means there are no Zlib headers, although there should be
|
|
$this->debug('The gzinflate function exists');
|
|
$datalen = strlen($data);
|
|
if ($this->incoming_headers['content-encoding'] == 'deflate') {
|
|
if ($degzdata = @gzinflate($data)) {
|
|
$data = $degzdata;
|
|
$this->debug('The payload has been inflated to ' . strlen($data) . ' bytes');
|
|
if (strlen($data) < $datalen) {
|
|
// test for the case that the payload has been compressed twice
|
|
$this->debug('The inflated payload is smaller than the gzipped one; try again');
|
|
if ($degzdata = @gzinflate($data)) {
|
|
$data = $degzdata;
|
|
$this->debug('The payload has been inflated again to ' . strlen($data) . ' bytes');
|
|
}
|
|
}
|
|
} else {
|
|
$this->debug('Error using gzinflate to inflate the payload');
|
|
$this->setError('Error using gzinflate to inflate the payload');
|
|
}
|
|
} elseif ($this->incoming_headers['content-encoding'] == 'gzip') {
|
|
if ($degzdata = @gzinflate(substr($data, 10))) { // do our best
|
|
$data = $degzdata;
|
|
$this->debug('The payload has been un-gzipped to ' . strlen($data) . ' bytes');
|
|
if (strlen($data) < $datalen) {
|
|
// test for the case that the payload has been compressed twice
|
|
$this->debug('The un-gzipped payload is smaller than the gzipped one; try again');
|
|
if ($degzdata = @gzinflate(substr($data, 10))) {
|
|
$data = $degzdata;
|
|
$this->debug('The payload has been un-gzipped again to ' . strlen($data) . ' bytes');
|
|
}
|
|
}
|
|
} else {
|
|
$this->debug('Error using gzinflate to un-gzip the payload');
|
|
$this->setError('Error using gzinflate to un-gzip the payload');
|
|
}
|
|
}
|
|
//$timer->setMarker('finished decoding of gzip/deflated content');
|
|
//print "<xmp>\nde-inflated:\n---------------\n$data\n-------------\n</xmp>";
|
|
// set decoded payload
|
|
$this->incoming_payload = $header_data.$lb.$lb.$data;
|
|
} else {
|
|
$this->debug('The server sent compressed data. Your php install must have the Zlib extension compiled in to support this.');
|
|
$this->setError('The server sent compressed data. Your php install must have the Zlib extension compiled in to support this.');
|
|
}
|
|
} else {
|
|
$this->debug('Unsupported Content-Encoding ' . $this->incoming_headers['content-encoding']);
|
|
$this->setError('Unsupported Content-Encoding ' . $this->incoming_headers['content-encoding']);
|
|
}
|
|
} else {
|
|
$this->debug('No Content-Encoding header');
|
|
}
|
|
|
|
if(strlen($data) == 0){
|
|
$this->debug('no data after headers!');
|
|
$this->setError('no data present after HTTP headers');
|
|
return false;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
function setContentType($type, $charset = false) {
|
|
$this->outgoing_headers['Content-Type'] = $type . ($charset ? '; charset=' . $charset : '');
|
|
$this->debug('set Content-Type: ' . $this->outgoing_headers['Content-Type']);
|
|
}
|
|
|
|
function usePersistentConnection(){
|
|
if (isset($this->outgoing_headers['Accept-Encoding'])) {
|
|
return false;
|
|
}
|
|
$this->protocol_version = '1.1';
|
|
$this->persistentConnection = true;
|
|
$this->outgoing_headers['Connection'] = 'Keep-Alive';
|
|
$this->debug('set Connection: ' . $this->outgoing_headers['Connection']);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* parse an incoming Cookie into it's parts
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|
*
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* @param string $cookie_str content of cookie
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* @return array with data of that cookie
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|
* @access private
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|
*/
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|
/*
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* TODO: allow a Set-Cookie string to be parsed into multiple cookies
|
|
*/
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function parseCookie($cookie_str) {
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$cookie_str = str_replace('; ', ';', $cookie_str) . ';';
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$data = split(';', $cookie_str);
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$value_str = $data[0];
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|
|
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$cookie_param = 'domain=';
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$start = strpos($cookie_str, $cookie_param);
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if ($start > 0) {
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$domain = substr($cookie_str, $start + strlen($cookie_param));
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$domain = substr($domain, 0, strpos($domain, ';'));
|
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} else {
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$domain = '';
|
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}
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|
|
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$cookie_param = 'expires=';
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$start = strpos($cookie_str, $cookie_param);
|
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if ($start > 0) {
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$expires = substr($cookie_str, $start + strlen($cookie_param));
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$expires = substr($expires, 0, strpos($expires, ';'));
|
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} else {
|
|
$expires = '';
|
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}
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|
|
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$cookie_param = 'path=';
|
|
$start = strpos($cookie_str, $cookie_param);
|
|
if ( $start > 0 ) {
|
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$path = substr($cookie_str, $start + strlen($cookie_param));
|
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$path = substr($path, 0, strpos($path, ';'));
|
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} else {
|
|
$path = '/';
|
|
}
|
|
|
|
$cookie_param = ';secure;';
|
|
if (strpos($cookie_str, $cookie_param) !== FALSE) {
|
|
$secure = true;
|
|
} else {
|
|
$secure = false;
|
|
}
|
|
|
|
$sep_pos = strpos($value_str, '=');
|
|
|
|
if ($sep_pos) {
|
|
$name = substr($value_str, 0, $sep_pos);
|
|
$value = substr($value_str, $sep_pos + 1);
|
|
$cookie= array( 'name' => $name,
|
|
'value' => $value,
|
|
'domain' => $domain,
|
|
'path' => $path,
|
|
'expires' => $expires,
|
|
'secure' => $secure
|
|
);
|
|
return $cookie;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* sort out cookies for the current request
|
|
*
|
|
* @param array $cookies array with all cookies
|
|
* @param boolean $secure is the send-content secure or not?
|
|
* @return string for Cookie-HTTP-Header
|
|
* @access private
|
|
*/
|
|
function getCookiesForRequest($cookies, $secure=false) {
|
|
$cookie_str = '';
|
|
if ((! is_null($cookies)) && (is_array($cookies))) {
|
|
foreach ($cookies as $cookie) {
|
|
if (! is_array($cookie)) {
|
|
continue;
|
|
}
|
|
$this->debug("check cookie for validity: ".$cookie['name'].'='.$cookie['value']);
|
|
if ((isset($cookie['expires'])) && (! empty($cookie['expires']))) {
|
|
if (strtotime($cookie['expires']) <= time()) {
|
|
$this->debug('cookie has expired');
|
|
continue;
|
|
}
|
|
}
|
|
if ((isset($cookie['domain'])) && (! empty($cookie['domain']))) {
|
|
$domain = preg_quote($cookie['domain']);
|
|
if (! preg_match("'.*$domain$'i", $this->host)) {
|
|
$this->debug('cookie has different domain');
|
|
continue;
|
|
}
|
|
}
|
|
if ((isset($cookie['path'])) && (! empty($cookie['path']))) {
|
|
$path = preg_quote($cookie['path']);
|
|
if (! preg_match("'^$path.*'i", $this->path)) {
|
|
$this->debug('cookie is for a different path');
|
|
continue;
|
|
}
|
|
}
|
|
if ((! $secure) && (isset($cookie['secure'])) && ($cookie['secure'])) {
|
|
$this->debug('cookie is secure, transport is not');
|
|
continue;
|
|
}
|
|
$cookie_str .= $cookie['name'] . '=' . $cookie['value'] . '; ';
|
|
$this->debug('add cookie to Cookie-String: ' . $cookie['name'] . '=' . $cookie['value']);
|
|
}
|
|
}
|
|
return $cookie_str;
|
|
}
|
|
}
|
|
|
|
|
|
?>
|