📄 class.soap_transport_http.php
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} 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->io_method() == 'curl') {
// 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);
// try removing skippable headers
$savedata = $data;
while ($this->isSkippableCurlHeader($data)) {
$this->debug("Found HTTP header to skip");
if ($pos = strpos($data,"\r\n\r\n")) {
$data = ltrim(substr($data,$pos));
} elseif($pos = strpos($data,"\n\n") ) {
$data = ltrim(substr($data,$pos));
}
}
if ($data == '') {
// have nothing left; just remove 100 header(s)
$data = $savedata;
while (ereg('^HTTP/1.1 100',$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;
}
}
}
$this->response_status_line = $header_array[0];
$arr = explode(' ', $this->response_status_line, 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 || $http_status == 302)) {
$this->debug("Got $http_status $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 $http_reason (soapclient->response has contents of the response)");
return false;
}
// decode content-encoding
if(isset($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;
}
/**
* sets the content-type for the SOAP message to be sent
*
* @param string $type the content type, MIME style
* @param mixed $charset character set used for encoding (or false)
* @access public
*/
function setContentType($type, $charset = false) {
$this->setHeader('Content-Type', $type . ($charset ? '; charset=' . $charset : ''));
}
/**
* specifies that an HTTP persistent connection should be used
*
* @return boolean whether the request was honored by this method.
* @access public
*/
function usePersistentConnection(){
if (isset($this->outgoing_headers['Accept-Encoding'])) {
return false;
}
$this->protocol_version = '1.1';
$this->persistentConnection = true;
$this->setHeader('Connection', 'Keep-Alive');
return true;
}
/**
* parse an incoming Cookie into it's parts
*
* @param string $cookie_str content of cookie
* @return array with data of that cookie
* @access private
*/
/*
* TODO: allow a Set-Cookie string to be parsed into multiple cookies
*/
function parseCookie($cookie_str) {
$cookie_str = str_replace('; ', ';', $cookie_str) . ';';
$data = split(';', $cookie_str);
$value_str = $data[0];
$cookie_param = 'domain=';
$start = strpos($cookie_str, $cookie_param);
if ($start > 0) {
$domain = substr($cookie_str, $start + strlen($cookie_param));
$domain = substr($domain, 0, strpos($domain, ';'));
} else {
$domain = '';
}
$cookie_param = 'expires=';
$start = strpos($cookie_str, $cookie_param);
if ($start > 0) {
$expires = substr($cookie_str, $start + strlen($cookie_param));
$expires = substr($expires, 0, strpos($expires, ';'));
} else {
$expires = '';
}
$cookie_param = 'path=';
$start = strpos($cookie_str, $cookie_param);
if ( $start > 0 ) {
$path = substr($cookie_str, $start + strlen($cookie_param));
$path = substr($path, 0, strpos($path, ';'));
} 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;
}
}
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