Your IP : 18.119.131.10
<?php
namespace Guzzle\Http\Curl;
use Guzzle\Common\Exception\InvalidArgumentException;
use Guzzle\Common\Exception\RuntimeException;
use Guzzle\Common\Collection;
use Guzzle\Http\Message\EntityEnclosingRequest;
use Guzzle\Http\Message\RequestInterface;
use Guzzle\Parser\ParserRegistry;
use Guzzle\Http\Url;
/**
* Immutable wrapper for a cURL handle
*/
class CurlHandle
{
const BODY_AS_STRING = 'body_as_string';
const PROGRESS = 'progress';
const DEBUG = 'debug';
/** @var Collection Curl options */
protected $options;
/** @var resource Curl resource handle */
protected $handle;
/** @var int CURLE_* error */
protected $errorNo = CURLE_OK;
/**
* Factory method to create a new curl handle based on an HTTP request.
*
* There are some helpful options you can set to enable specific behavior:
* - debug: Set to true to enable cURL debug functionality to track the actual headers sent over the wire.
* - progress: Set to true to enable progress function callbacks.
*
* @param RequestInterface $request Request
*
* @return CurlHandle
* @throws RuntimeException
*/
public static function factory(RequestInterface $request)
{
$requestCurlOptions = $request->getCurlOptions();
$mediator = new RequestMediator($request, $requestCurlOptions->get('emit_io'));
$tempContentLength = null;
$method = $request->getMethod();
$bodyAsString = $requestCurlOptions->get(self::BODY_AS_STRING);
// Prepare url
$url = (string)$request->getUrl();
if(($pos = strpos($url, '#')) !== false ){
// strip fragment from url
$url = substr($url, 0, $pos);
}
// Array of default cURL options.
$curlOptions = array(
CURLOPT_URL => $url,
CURLOPT_CONNECTTIMEOUT => 150,
CURLOPT_RETURNTRANSFER => false,
CURLOPT_HEADER => false,
CURLOPT_PORT => $request->getPort(),
CURLOPT_HTTPHEADER => array(),
CURLOPT_WRITEFUNCTION => array($mediator, 'writeResponseBody'),
CURLOPT_HEADERFUNCTION => array($mediator, 'receiveResponseHeader'),
CURLOPT_HTTP_VERSION => $request->getProtocolVersion() === '1.0'
? CURL_HTTP_VERSION_1_0 : CURL_HTTP_VERSION_1_1,
// Verifies the authenticity of the peer's certificate
CURLOPT_SSL_VERIFYPEER => 1,
// Certificate must indicate that the server is the server to which you meant to connect
CURLOPT_SSL_VERIFYHOST => 2
);
if (defined('CURLOPT_PROTOCOLS')) {
// Allow only HTTP and HTTPS protocols
$curlOptions[CURLOPT_PROTOCOLS] = CURLPROTO_HTTP | CURLPROTO_HTTPS;
}
// Add CURLOPT_ENCODING if Accept-Encoding header is provided
if ($acceptEncodingHeader = $request->getHeader('Accept-Encoding')) {
$curlOptions[CURLOPT_ENCODING] = (string) $acceptEncodingHeader;
// Let cURL set the Accept-Encoding header, prevents duplicate values
$request->removeHeader('Accept-Encoding');
}
// Enable curl debug information if the 'debug' param was set
if ($requestCurlOptions->get('debug')) {
$curlOptions[CURLOPT_STDERR] = fopen('php://temp', 'r+');
// @codeCoverageIgnoreStart
if (false === $curlOptions[CURLOPT_STDERR]) {
throw new RuntimeException('Unable to create a stream for CURLOPT_STDERR');
}
// @codeCoverageIgnoreEnd
$curlOptions[CURLOPT_VERBOSE] = true;
}
// Specify settings according to the HTTP method
if ($method == 'GET') {
$curlOptions[CURLOPT_HTTPGET] = true;
} elseif ($method == 'HEAD') {
$curlOptions[CURLOPT_NOBODY] = true;
// HEAD requests do not use a write function
unset($curlOptions[CURLOPT_WRITEFUNCTION]);
} elseif (!($request instanceof EntityEnclosingRequest)) {
$curlOptions[CURLOPT_CUSTOMREQUEST] = $method;
} else {
$curlOptions[CURLOPT_CUSTOMREQUEST] = $method;
// Handle sending raw bodies in a request
if ($request->getBody()) {
// You can send the body as a string using curl's CURLOPT_POSTFIELDS
if ($bodyAsString) {
$curlOptions[CURLOPT_POSTFIELDS] = (string) $request->getBody();
// Allow curl to add the Content-Length for us to account for the times when
// POST redirects are followed by GET requests
if ($tempContentLength = $request->getHeader('Content-Length')) {
$tempContentLength = (int) (string) $tempContentLength;
}
// Remove the curl generated Content-Type header if none was set manually
if (!$request->hasHeader('Content-Type')) {
$curlOptions[CURLOPT_HTTPHEADER][] = 'Content-Type:';
}
} else {
$curlOptions[CURLOPT_UPLOAD] = true;
// Let cURL handle setting the Content-Length header
if ($tempContentLength = $request->getHeader('Content-Length')) {
$tempContentLength = (int) (string) $tempContentLength;
$curlOptions[CURLOPT_INFILESIZE] = $tempContentLength;
}
// Add a callback for curl to read data to send with the request only if a body was specified
$curlOptions[CURLOPT_READFUNCTION] = array($mediator, 'readRequestBody');
// Attempt to seek to the start of the stream
$request->getBody()->seek(0);
}
} else {
// Special handling for POST specific fields and files
$postFields = false;
if (count($request->getPostFiles())) {
$postFields = $request->getPostFields()->useUrlEncoding(false)->urlEncode();
foreach ($request->getPostFiles() as $key => $data) {
$prefixKeys = count($data) > 1;
foreach ($data as $index => $file) {
// Allow multiple files in the same key
$fieldKey = $prefixKeys ? "{$key}[{$index}]" : $key;
$postFields[$fieldKey] = $file->getCurlValue();
}
}
} elseif (count($request->getPostFields())) {
$postFields = (string) $request->getPostFields()->useUrlEncoding(true);
}
if ($postFields !== false) {
if ($method == 'POST') {
unset($curlOptions[CURLOPT_CUSTOMREQUEST]);
$curlOptions[CURLOPT_POST] = true;
}
$curlOptions[CURLOPT_POSTFIELDS] = $postFields;
$request->removeHeader('Content-Length');
}
}
// If the Expect header is not present, prevent curl from adding it
if (!$request->hasHeader('Expect')) {
$curlOptions[CURLOPT_HTTPHEADER][] = 'Expect:';
}
}
// If a Content-Length header was specified but we want to allow curl to set one for us
if (null !== $tempContentLength) {
$request->removeHeader('Content-Length');
}
// Set custom cURL options
foreach ($requestCurlOptions->toArray() as $key => $value) {
if (is_numeric($key)) {
$curlOptions[$key] = $value;
}
}
// Do not set an Accept header by default
if (!isset($curlOptions[CURLOPT_ENCODING])) {
$curlOptions[CURLOPT_HTTPHEADER][] = 'Accept:';
}
// Add any custom headers to the request. Empty headers will cause curl to not send the header at all.
foreach ($request->getHeaderLines() as $line) {
$curlOptions[CURLOPT_HTTPHEADER][] = $line;
}
// Add the content-length header back if it was temporarily removed
if (null !== $tempContentLength) {
$request->setHeader('Content-Length', $tempContentLength);
}
// Apply the options to a new cURL handle.
$handle = curl_init();
// Enable the progress function if the 'progress' param was set
if ($requestCurlOptions->get('progress')) {
// Wrap the function in a function that provides the curl handle to the mediator's progress function
// Using this rather than injecting the handle into the mediator prevents a circular reference
$curlOptions[CURLOPT_PROGRESSFUNCTION] = function () use ($mediator, $handle) {
$args = func_get_args();
$args[] = $handle;
// PHP 5.5 pushed the handle onto the start of the args
if (false !== $args[0]) {
array_shift($args);
}
call_user_func_array(array($mediator, 'progress'), $args);
};
$curlOptions[CURLOPT_NOPROGRESS] = false;
}
curl_setopt_array($handle, $curlOptions);
return new static($handle, $curlOptions);
}
/**
* Construct a new CurlHandle object that wraps a cURL handle
*
* @param resource $handle Configured cURL handle resource
* @param Collection|array $options Curl options to use with the handle
*
* @throws InvalidArgumentException
*/
public function __construct($handle, $options)
{
if (false === $handle) {
throw new InvalidArgumentException('Invalid handle provided');
}
if (is_array($options)) {
$this->options = new Collection($options);
} elseif ($options instanceof Collection) {
$this->options = $options;
} else {
throw new InvalidArgumentException('Expected array or Collection');
}
$this->handle = $handle;
}
/**
* Destructor
*/
public function __destruct()
{
$this->close();
}
/**
* Close the curl handle
*/
public function close()
{
if (false !== $this->handle && null !== $this->handle) {
curl_close($this->handle);
unset($this->handle);
}
$this->handle = null;
}
/**
* Check if the handle is available and still OK
*
* @return bool
*/
public function isAvailable()
{
return false !== $this->handle;
}
/**
* Get the last error that occurred on the cURL handle
*
* @return string
*/
public function getError()
{
return $this->isAvailable() ? curl_error($this->handle) : '';
}
/**
* Get the last error number that occurred on the cURL handle
*
* @return int
*/
public function getErrorNo()
{
if ($this->errorNo) {
return $this->errorNo;
}
return $this->isAvailable() ? curl_errno($this->handle) : CURLE_OK;
}
/**
* Set the curl error number
*
* @param int $error Error number to set
*
* @return CurlHandle
*/
public function setErrorNo($error)
{
$this->errorNo = $error;
return $this;
}
/**
* Get cURL curl_getinfo data
*
* @param int $option Option to retrieve. Pass null to retrieve all data as an array.
*
* @return array|mixed
*/
public function getInfo($option = null)
{
if (false === $this->handle) {
return null;
}
if (null !== $option) {
return curl_getinfo($this->handle, $option) ?: null;
}
return curl_getinfo($this->handle) ?: array();
}
/**
* Get the stderr output
*
* @param bool $asResource Set to TRUE to get an fopen resource
*
* @return string|resource|null
*/
public function getStderr($asResource = false)
{
$stderr = $this->getOptions()->get(CURLOPT_STDERR);
if (!$stderr) {
return null;
}
if ($asResource) {
return $stderr;
}
fseek($stderr, 0);
$e = stream_get_contents($stderr);
fseek($stderr, 0, SEEK_END);
return $e;
}
/**
* Get the URL that this handle is connecting to
*
* @return Url
*/
public function getUrl()
{
return Url::factory($this->options->get(CURLOPT_URL));
}
/**
* Get the wrapped curl handle
*
* @return resource|null Returns the cURL handle or null if it was closed
*/
public function getHandle()
{
return $this->isAvailable() ? $this->handle : null;
}
/**
* Get the cURL setopt options of the handle. Changing values in the return object will have no effect on the curl
* handle after it is created.
*
* @return Collection
*/
public function getOptions()
{
return $this->options;
}
/**
* Update a request based on the log messages of the CurlHandle
*
* @param RequestInterface $request Request to update
*/
public function updateRequestFromTransfer(RequestInterface $request)
{
if (!$request->getResponse()) {
return;
}
// Update the transfer stats of the response
$request->getResponse()->setInfo($this->getInfo());
if (!$log = $this->getStderr(true)) {
return;
}
// Parse the cURL stderr output for outgoing requests
$headers = '';
fseek($log, 0);
while (($line = fgets($log)) !== false) {
if ($line && $line[0] == '>') {
$headers = substr(trim($line), 2) . "\r\n";
while (($line = fgets($log)) !== false) {
if ($line[0] == '*' || $line[0] == '<') {
break;
} else {
$headers .= trim($line) . "\r\n";
}
}
}
}
// Add request headers to the request exactly as they were sent
if ($headers) {
$parsed = ParserRegistry::getInstance()->getParser('message')->parseRequest($headers);
if (!empty($parsed['headers'])) {
$request->setHeaders(array());
foreach ($parsed['headers'] as $name => $value) {
$request->setHeader($name, $value);
}
}
if (!empty($parsed['version'])) {
$request->setProtocolVersion($parsed['version']);
}
}
}
/**
* Parse the config and replace curl.* configurators into the constant based values so it can be used elsewhere
*
* @param array|Collection $config The configuration we want to parse
*
* @return array
*/
public static function parseCurlConfig($config)
{
$curlOptions = array();
foreach ($config as $key => $value) {
if (is_string($key) && defined($key)) {
// Convert constants represented as string to constant int values
$key = constant($key);
}
if (is_string($value) && defined($value)) {
$value = constant($value);
}
$curlOptions[$key] = $value;
}
return $curlOptions;
}
}