/**
* Callback function called by cURL for saving the response body
*
* @param resource cURL handle (not used)
* @param string part of the response body
* @return integer number of bytes saved
* @see Diglin_HTTP_Request2_Response::appendBody()
*/
protected function callbackWriteBody($ch, $string)
{
// cURL calls WRITEFUNCTION callback without calling HEADERFUNCTION if
// response doesn't start with proper HTTP status line (see bug #15716)
if (empty($this->response)) {
throw new Diglin_HTTP_Request2_Exception("Malformed response: {$string}");
}
if ($this->request->getConfig('store_body')) {
$this->response->appendBody($string);
}
$this->request->setLastEvent('receivedBodyPart', $string);
return strlen($string);
}
/**
* Reads the remote server's response
*
* @return Diglin_HTTP_Request2_Response
* @throws Diglin_HTTP_Request2_Exception
*/
protected function readResponse()
{
$bufferSize = $this->request->getConfig('buffer_size');
do {
$response = new Diglin_HTTP_Request2_Response($this->readLine($bufferSize), true);
do {
$headerLine = $this->readLine($bufferSize);
$response->parseHeaderLine($headerLine);
} while ('' != $headerLine);
} while (in_array($response->getStatus(), array(100, 101)));
$this->request->setLastEvent('receivedHeaders', $response);
// No body possible in such responses
if (Diglin_HTTP_Request2::METHOD_HEAD == $this->request->getMethod() || Diglin_HTTP_Request2::METHOD_CONNECT == $this->request->getMethod() && 200 <= $response->getStatus() && 300 > $response->getStatus() || in_array($response->getStatus(), array(204, 304))) {
return $response;
}
$chunked = 'chunked' == $response->getHeader('transfer-encoding');
$length = $response->getHeader('content-length');
$hasBody = false;
if ($chunked || null === $length || 0 < intval($length)) {
// RFC 2616, section 4.4:
// 3. ... If a message is received with both a
// Transfer-Encoding header field and a Content-Length header field,
// the latter MUST be ignored.
$toRead = $chunked || null === $length ? null : $length;
$this->chunkLength = 0;
while (!feof($this->socket) && (is_null($toRead) || 0 < $toRead)) {
if ($chunked) {
$data = $this->readChunked($bufferSize);
} elseif (is_null($toRead)) {
$data = $this->fread($bufferSize);
} else {
$data = $this->fread(min($toRead, $bufferSize));
$toRead -= strlen($data);
}
if ('' == $data && (!$this->chunkLength || feof($this->socket))) {
break;
}
$hasBody = true;
if ($this->request->getConfig('store_body')) {
$response->appendBody($data);
}
if (!in_array($response->getHeader('content-encoding'), array('identity', null))) {
$this->request->setLastEvent('receivedEncodedBodyPart', $data);
} else {
$this->request->setLastEvent('receivedBodyPart', $data);
}
}
}
if ($hasBody) {
$this->request->setLastEvent('receivedBody', $response);
}
return $response;
}
/**
* Creates a new Diglin_HTTP_Request2_Response object from a file
*
* @param resource file pointer returned by fopen()
* @return Diglin_HTTP_Request2_Response
* @throws Diglin_HTTP_Request2_Exception
*/
public static function createResponseFromFile($fp)
{
$response = new Diglin_HTTP_Request2_Response(fgets($fp));
do {
$headerLine = fgets($fp);
$response->parseHeaderLine($headerLine);
} while ('' != trim($headerLine));
while (!feof($fp)) {
$response->appendBody(fread($fp, 8192));
}
return $response;
}
