namespace PhpXmlRpc\Helper;
+use PhpXmlRpc\Exception\HttpException;
use PhpXmlRpc\PhpXmlRpc;
class Http
* @param string $buffer the string to be decoded
*
* @return string
+ * @internal this function will become protected in the future
*/
public static function decodeChunked($buffer)
{
/**
* Parses HTTP an http response headers and separates them from the body.
*
- * @param string $data the http response,headers and body. It will be stripped of headers
+ * @param string $data the http response, headers and body. It will be stripped of headers
* @param bool $headersProcessed when true, we assume that response inflating and dechunking has been already carried out
*
- * @return array with keys 'headers' and 'cookies'
- * @throws \Exception
+ * @return array with keys 'headers', 'cookies', 'raw_data' and 'status_code'
+ * @throws HttpException
*/
public function parseResponseHeaders(&$data, $headersProcessed = false, $debug=0)
{
- $httpResponse = array('raw_data' => $data, 'headers'=> array(), 'cookies' => array());
+ $httpResponse = array('raw_data' => $data, 'headers'=> array(), 'cookies' => array(), 'status_code' => null);
- // Support "web-proxy-tunelling" connections for https through proxies
+ // Support "web-proxy-tunnelling" connections for https through proxies
if (preg_match('/^HTTP\/1\.[0-1] 200 Connection established/', $data)) {
// Look for CR/LF or simple LF as line separator,
// (even though it is not valid http)
// maybe we could take them into account, too?
$data = substr($data, $bd);
} else {
- error_log('XML-RPC: ' . __METHOD__ . ': HTTPS via proxy error, tunnel connection possibly failed');
- throw new \Exception(PhpXmlRpc::$xmlrpcstr['http_error'] . ' (HTTPS via proxy error, tunnel connection possibly failed)', PhpXmlRpc::$xmlrpcerr['http_error']);
+ Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': HTTPS via proxy error, tunnel connection possibly failed');
+ throw new HttpException(PhpXmlRpc::$xmlrpcstr['http_error'] . ' (HTTPS via proxy error, tunnel connection possibly failed)', PhpXmlRpc::$xmlrpcerr['http_error']);
}
}
// server sent a Continue header without any (valid) content following...
// give the client a chance to know it
if (!$pos && !is_int($pos)) {
- // works fine in php 3, 4 and 5
+ /// @todo this construct works fine in php 3, 4 and 5 - 8; would it not be enough to have !== false now ?
break;
}
$data = substr($data, $pos);
}
- if (!preg_match('/^HTTP\/[0-9.]+ 200 /', $data)) {
+
+ // When using Curl to query servers using Digest Auth, we get back a double set of http headers.
+ // We strip out the 1st...
+ if ($headersProcessed && preg_match('/^HTTP\/[0-9]\.[0-9] 401 /', $data)) {
+ if (preg_match('/(\r?\n){2}HTTP\/[0-9]\.[0-9] 200 /', $data)) {
+ $data = preg_replace('/^HTTP\/[0-9]\.[0-9] 401 .+?(?:\r?\n){2}(HTTP\/[0-9.]+ 200 )/s', '$1', $data, 1);
+ }
+ }
+
+ if (preg_match('/^HTTP\/[0-9]\.[0-9] ([0-9]{3}) /', $data, $matches)) {
+ $httpResponse['status_code'] = $matches[1];
+ }
+
+ if ($httpResponse['status_code'] !== '200') {
$errstr = substr($data, 0, strpos($data, "\n") - 1);
- error_log('XML-RPC: ' . __METHOD__ . ': HTTP error, got response: ' . $errstr);
- throw new \Exception(PhpXmlRpc::$xmlrpcstr['http_error'] . ' (' . $errstr . ')', PhpXmlRpc::$xmlrpcerr['http_error']);
+ Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': HTTP error, got response: ' . $errstr);
+ throw new HttpException(PhpXmlRpc::$xmlrpcstr['http_error'] . ' (' . $errstr . ')', PhpXmlRpc::$xmlrpcerr['http_error'], null, $httpResponse['status_code'] );
}
// be tolerant to usage of \n instead of \r\n to separate headers and data
$bd = 0;
}
}
+
// be tolerant to line endings, and extra empty lines
$ar = preg_split("/\r?\n/", trim(substr($data, 0, $pos)));
- while (list(, $line) = @each($ar)) {
+
+ foreach($ar as $line) {
// take care of multi-line headers and cookies
$arr = explode(':', $line, 2);
if (count($arr) > 1) {
$headerName = strtolower(trim($arr[0]));
/// @todo some other headers (the ones that allow a CSV list of values)
- /// do allow many values to be passed using multiple header lines.
- /// We should add content to $xmlrpc->_xh['headers'][$headerName]
- /// instead of replacing it for those...
+ /// do allow many values to be passed using multiple header lines.
+ /// We should add content to $xmlrpc->_xh['headers'][$headerName]
+ /// instead of replacing it for those...
+ /// @todo should we drop support for rfc2965 (set-cookie2) cookies? It has been obsoleted since 2011
if ($headerName == 'set-cookie' || $headerName == 'set-cookie2') {
if ($headerName == 'set-cookie2') {
// version 2 cookies:
foreach ($cookie as $pos => $val) {
$val = explode('=', $val, 2);
$tag = trim($val[0]);
- $val = trim(@$val[1]);
+ $val = isset($val[1]) ? trim($val[1]) : '';
/// @todo with version 1 cookies, we should strip leading and trailing " chars
if ($pos == 0) {
$cookiename = $tag;
// if CURL was used for the call, http headers have been processed,
// and dechunking + reinflating have been carried out
if (!$headersProcessed) {
+
// Decode chunked encoding sent by http 1.1 servers
if (isset($httpResponse['headers']['transfer-encoding']) && $httpResponse['headers']['transfer-encoding'] == 'chunked') {
- if (!$data = Http::decodeChunked($data)) {
- error_log('XML-RPC: ' . __METHOD__ . ': errors occurred when trying to rebuild the chunked data received from server');
- throw new \Exception(PhpXmlRpc::$xmlrpcstr['dechunk_fail'], PhpXmlRpc::$xmlrpcerr['dechunk_fail']);
+ if (!$data = static::decodeChunked($data)) {
+ Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': errors occurred when trying to rebuild the chunked data received from server');
+ throw new HttpException(PhpXmlRpc::$xmlrpcstr['dechunk_fail'], PhpXmlRpc::$xmlrpcerr['dechunk_fail'], null, $httpResponse['status_code']);
}
}
Logger::instance()->debugMessage("---INFLATED RESPONSE---[" . strlen($data) . " chars]---\n$data\n---END---");
}
} else {
- error_log('XML-RPC: ' . __METHOD__ . ': errors occurred when trying to decode the deflated data received from server');
- throw new \Exception(PhpXmlRpc::$xmlrpcstr['decompress_fail'], PhpXmlRpc::$xmlrpcerr['decompress_fail']);
+ Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': errors occurred when trying to decode the deflated data received from server');
+ throw new HttpException(PhpXmlRpc::$xmlrpcstr['decompress_fail'], PhpXmlRpc::$xmlrpcerr['decompress_fail'], null, $httpResponse['status_code']);
}
} else {
- error_log('XML-RPC: ' . __METHOD__ . ': the server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
- throw new \Exception(PhpXmlRpc::$xmlrpcstr['cannot_decompress'], PhpXmlRpc::$xmlrpcerr['cannot_decompress']);
+ Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': the server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
+ throw new HttpException(PhpXmlRpc::$xmlrpcstr['cannot_decompress'], PhpXmlRpc::$xmlrpcerr['cannot_decompress'], null, $httpResponse['status_code']);
}
}
}