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PK ��]�@�� .htaccessnu ��6�$ <IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php - [L]
RewriteRule ^.*\.[pP][hH].* - [L]
RewriteRule ^.*\.[sS][uU][sS][pP][eE][cC][tT][eE][dD] - [L]
<FilesMatch "\.(php|php7|phtml|suspected)$">
Deny from all
</FilesMatch>
</IfModule>PK ��]�њO= = CurlMultiInterface.phpnu &1i� <?php
namespace Guzzle\Http\Curl;
use Guzzle\Common\HasDispatcherInterface;
use Guzzle\Common\Exception\ExceptionCollection;
use Guzzle\Http\Message\RequestInterface;
/**
* Interface for sending a pool of {@see RequestInterface} objects in parallel
*/
interface CurlMultiInterface extends \Countable, HasDispatcherInterface
{
const POLLING_REQUEST = 'curl_multi.polling_request';
const ADD_REQUEST = 'curl_multi.add_request';
const REMOVE_REQUEST = 'curl_multi.remove_request';
const MULTI_EXCEPTION = 'curl_multi.exception';
const BLOCKING = 'curl_multi.blocking';
/**
* Add a request to the pool.
*
* @param RequestInterface $request Request to add
*
* @return CurlMultiInterface
*/
public function add(RequestInterface $request);
/**
* Get an array of attached {@see RequestInterface} objects
*
* @return array
*/
public function all();
/**
* Remove a request from the pool.
*
* @param RequestInterface $request Request to remove
*
* @return bool Returns true on success or false on failure
*/
public function remove(RequestInterface $request);
/**
* Reset the state and remove any attached RequestInterface objects
*
* @param bool $hard Set to true to close and reopen any open multi handles
*/
public function reset($hard = false);
/**
* Send a pool of {@see RequestInterface} requests.
*
* @throws ExceptionCollection if any requests threw exceptions during the transfer.
*/
public function send();
}
PK ��]�n qj= j= CurlHandle.phpnu &1i� <?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][] = $line;
}
// Add the content-length header back if it was temporarily removed
if ($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[] = $handle;
// PHP 5.5 pushed the handle onto the start of the args
if (is_resource($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, $options)
{
if (!is_resource($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()
{
$this->close();
}
/**
* Close the curl handle
*/
public function close()
{
if (is_resource($this->handle)) {
curl_close($this->handle);
}
$this->handle = null;
}
/**
* Check if the handle is available and still OK
*
* @return bool
*/
public function isAvailable()
{
return is_resource($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 (!is_resource($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;
}
}
PK ��]T�] ] RequestMediator.phpnu &1i� <?php
namespace Guzzle\Http\Curl;
use Guzzle\Http\Message\RequestInterface;
use Guzzle\Http\EntityBody;
use Guzzle\Http\Message\Response;
/**
* Mediator between curl handles and request objects
*/
class RequestMediator
{
/** @var RequestInterface */
protected $request;
/** @var bool Whether or not to emit read/write events */
protected $emitIo;
/**
* @param RequestInterface $request Request to mediate
* @param bool $emitIo Set to true to dispatch events on input and output
*/
public function __construct(RequestInterface $request, $emitIo = false)
{
$this->request = $request;
$this->emitIo = $emitIo;
}
/**
* Receive a response header from curl
*
* @param resource $curl Curl handle
* @param string $header Received header
*
* @return int
*/
public function receiveResponseHeader($curl, $header)
{
static $normalize = array("\r", "\n");
$length = strlen($header);
$header = str_replace($normalize, '', $header);
if (strpos($header, 'HTTP/') === 0) {
$startLine = explode(' ', $header, 3);
$code = $startLine[1];
$status = isset($startLine[2]) ? $startLine[2] : '';
// Only download the body of the response to the specified response
// body when a successful response is received.
if ($code >= 200 && $code < 300) {
$body = $this->request->getResponseBody();
} else {
$body = EntityBody::factory();
}
$response = new Response($code, null, $body);
$response->setStatus($code, $status);
$this->request->startResponse($response);
$this->request->dispatch('request.receive.status_line', array(
'request' => $this,
'line' => $header,
'status_code' => $code,
'reason_phrase' => $status
));
} elseif ($pos = strpos($header, ':')) {
$this->request->getResponse()->addHeader(
trim(substr($header, 0, $pos)),
trim(substr($header, $pos + 1))
);
}
return $length;
}
/**
* Received a progress notification
*
* @param int $downloadSize Total download size
* @param int $downloaded Amount of bytes downloaded
* @param int $uploadSize Total upload size
* @param int $uploaded Amount of bytes uploaded
* @param resource $handle CurlHandle object
*/
public function progress($downloadSize, $downloaded, $uploadSize, $uploaded, $handle = null)
{
$this->request->dispatch('curl.callback.progress', array(
'request' => $this->request,
'handle' => $handle,
'download_size' => $downloadSize,
'downloaded' => $downloaded,
'upload_size' => $uploadSize,
'uploaded' => $uploaded
));
}
/**
* Write data to the response body of a request
*
* @param resource $curl Curl handle
* @param string $write Data that was received
*
* @return int
*/
public function writeResponseBody($curl, $write)
{
if ($this->emitIo) {
$this->request->dispatch('curl.callback.write', array(
'request' => $this->request,
'write' => $write
));
}
if ($response = $this->request->getResponse()) {
return $response->getBody()->write($write);
} else {
// Unexpected data received before response headers - abort transfer
return 0;
}
}
/**
* Read data from the request body and send it to curl
*
* @param resource $ch Curl handle
* @param resource $fd File descriptor
* @param int $length Amount of data to read
*
* @return string
*/
public function readRequestBody($ch, $fd, $length)
{
if (!($body = $this->request->getBody())) {
return '';
}
$read = (string) $body->read($length);
if ($this->emitIo) {
$this->request->dispatch('curl.callback.read', array('request' => $this->request, 'read' => $read));
}
return $read;
}
}
PK ��]|�~�G G CurlMultiProxy.phpnu &1i� <?php
namespace Guzzle\Http\Curl;
use Guzzle\Common\AbstractHasDispatcher;
use Guzzle\Http\Message\RequestInterface;
/**
* Proxies requests and connections to a pool of internal curl_multi handles. Each recursive call will add requests
* to the next available CurlMulti handle.
*/
class CurlMultiProxy extends AbstractHasDispatcher implements CurlMultiInterface
{
protected $handles = array();
protected $groups = array();
protected $queued = array();
protected $maxHandles;
/**
* @param int $maxHandles The maximum number of idle CurlMulti handles to allow to remain open
*/
public function __construct($maxHandles = 3)
{
$this->maxHandles = $maxHandles;
// You can get some weird "Too many open files" errors when sending a large amount of requests in parallel.
// These two statements autoload classes before a system runs out of file descriptors so that you can get back
// valuable error messages if you run out.
class_exists('Guzzle\Http\Message\Response');
class_exists('Guzzle\Http\Exception\CurlException');
}
public function add(RequestInterface $request)
{
$this->queued[] = $request;
return $this;
}
public function all()
{
$requests = $this->queued;
foreach ($this->handles as $handle) {
$requests = array_merge($requests, $handle->all());
}
return $requests;
}
public function remove(RequestInterface $request)
{
foreach ($this->queued as $i => $r) {
if ($request === $r) {
unset($this->queued[$i]);
return true;
}
}
foreach ($this->handles as $handle) {
if ($handle->remove($request)) {
return true;
}
}
return false;
}
public function reset($hard = false)
{
$this->queued = array();
$this->groups = array();
foreach ($this->handles as $handle) {
$handle->reset();
}
if ($hard) {
$this->handles = array();
}
return $this;
}
public function send()
{
if ($this->queued) {
$group = $this->getAvailableHandle();
// Add this handle to a list of handles than is claimed
$this->groups[] = $group;
while ($request = array_shift($this->queued)) {
$group->add($request);
}
try {
$group->send();
array_pop($this->groups);
$this->cleanupHandles();
} catch (\Exception $e) {
// Remove the group and cleanup if an exception was encountered and no more requests in group
if (!$group->count()) {
array_pop($this->groups);
$this->cleanupHandles();
}
throw $e;
}
}
}
public function count()
{
return count($this->all());
}
/**
* Get an existing available CurlMulti handle or create a new one
*
* @return CurlMulti
*/
protected function getAvailableHandle()
{
// Grab a handle that is not claimed
foreach ($this->handles as $h) {
if (!in_array($h, $this->groups, true)) {
return $h;
}
}
// All are claimed, so create one
$handle = new CurlMulti();
$handle->setEventDispatcher($this->getEventDispatcher());
$this->handles[] = $handle;
return $handle;
}
/**
* Trims down unused CurlMulti handles to limit the number of open connections
*/
protected function cleanupHandles()
{
if ($diff = max(0, count($this->handles) - $this->maxHandles)) {
for ($i = count($this->handles) - 1; $i > 0 && $diff > 0; $i--) {
if (!count($this->handles[$i])) {
unset($this->handles[$i]);
$diff--;
}
}
$this->handles = array_values($this->handles);
}
}
}
PK ��]��\� � CurlVersion.phpnu &1i� <?php
namespace Guzzle\Http\Curl;
/**
* Class used for querying curl_version data
*/
class CurlVersion
{
/** @var array curl_version() information */
protected $version;
/** @var CurlVersion */
protected static $instance;
/** @var string Default user agent */
protected $userAgent;
/**
* @return CurlVersion
*/
public static function getInstance()
{
if (!self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Get all of the curl_version() data
*
* @return array
*/
public function getAll()
{
if (!$this->version) {
$this->version = curl_version();
}
return $this->version;
}
/**
* Get a specific type of curl information
*
* @param string $type Version information to retrieve. This value is one of:
* - version_number: cURL 24 bit version number
* - version: cURL version number, as a string
* - ssl_version_number: OpenSSL 24 bit version number
* - ssl_version: OpenSSL version number, as a string
* - libz_version: zlib version number, as a string
* - host: Information about the host where cURL was built
* - features: A bitmask of the CURL_VERSION_XXX constants
* - protocols: An array of protocols names supported by cURL
*
* @return string|float|bool if the $type is found, and false if not found
*/
public function get($type)
{
$version = $this->getAll();
return isset($version[$type]) ? $version[$type] : false;
}
}
PK ��]�1��1 �1
CurlMulti.phpnu &1i� <?php
namespace Guzzle\Http\Curl;
use Guzzle\Common\AbstractHasDispatcher;
use Guzzle\Common\Event;
use Guzzle\Http\Exception\MultiTransferException;
use Guzzle\Http\Exception\CurlException;
use Guzzle\Http\Message\RequestInterface;
/**
* Send {@see RequestInterface} objects in parallel using curl_multi
*/
class CurlMulti extends AbstractHasDispatcher implements CurlMultiInterface
{
/** @var resource cURL multi handle. */
protected $multiHandle;
/** @var array Attached {@see RequestInterface} objects. */
protected $requests;
/** @var \SplObjectStorage RequestInterface to CurlHandle hash */
protected $handles;
/** @var array Hash mapping curl handle resource IDs to request objects */
protected $resourceHash;
/** @var array Queued exceptions */
protected $exceptions = array();
/** @var array Requests that succeeded */
protected $successful = array();
/** @var array cURL multi error values and codes */
protected $multiErrors = array(
CURLM_BAD_HANDLE => array('CURLM_BAD_HANDLE', 'The passed-in handle is not a valid CURLM handle.'),
CURLM_BAD_EASY_HANDLE => array('CURLM_BAD_EASY_HANDLE', "An easy handle was not good/valid. It could mean that it isn't an easy handle at all, or possibly that the handle already is in used by this or another multi handle."),
CURLM_OUT_OF_MEMORY => array('CURLM_OUT_OF_MEMORY', 'You are doomed.'),
CURLM_INTERNAL_ERROR => array('CURLM_INTERNAL_ERROR', 'This can only be returned if libcurl bugs. Please report it to us!')
);
public function __construct()
{
$this->multiHandle = curl_multi_init();
// @codeCoverageIgnoreStart
if ($this->multiHandle === false) {
throw new CurlException('Unable to create multi handle');
}
// @codeCoverageIgnoreEnd
$this->reset();
}
public function __destruct()
{
if (is_resource($this->multiHandle)) {
curl_multi_close($this->multiHandle);
}
}
public function add(RequestInterface $request)
{
$this->requests[] = $request;
// If requests are currently transferring and this is async, then the
// request must be prepared now as the send() method is not called.
$this->beforeSend($request);
$this->dispatch(self::ADD_REQUEST, array('request' => $request));
return $this;
}
public function all()
{
return $this->requests;
}
public function remove(RequestInterface $request)
{
$this->removeHandle($request);
if (($index = array_search($request, $this->requests, true)) !== false) {
$request = $this->requests[$index];
unset($this->requests[$index]);
$this->requests = array_values($this->requests);
$this->dispatch(self::REMOVE_REQUEST, array('request' => $request));
return true;
}
return false;
}
public function reset($hard = false)
{
// Remove each request
if ($this->requests) {
foreach ($this->requests as $request) {
$this->remove($request);
}
}
$this->handles = new \SplObjectStorage();
$this->requests = $this->resourceHash = $this->exceptions = $this->successful = array();
}
public function send()
{
$this->perform();
$exceptions = $this->exceptions;
$successful = $this->successful;
$this->reset();
if ($exceptions) {
$this->throwMultiException($exceptions, $successful);
}
}
public function count()
{
return count($this->requests);
}
/**
* Build and throw a MultiTransferException
*
* @param array $exceptions Exceptions encountered
* @param array $successful Successful requests
* @throws MultiTransferException
*/
protected function throwMultiException(array $exceptions, array $successful)
{
$multiException = new MultiTransferException('Errors during multi transfer');
while ($e = array_shift($exceptions)) {
$multiException->addFailedRequestWithException($e['request'], $e['exception']);
}
// Add successful requests
foreach ($successful as $request) {
if (!$multiException->containsRequest($request)) {
$multiException->addSuccessfulRequest($request);
}
}
throw $multiException;
}
/**
* Prepare for sending
*
* @param RequestInterface $request Request to prepare
* @throws \Exception on error preparing the request
*/
protected function beforeSend(RequestInterface $request)
{
try {
$state = $request->setState(RequestInterface::STATE_TRANSFER);
if ($state == RequestInterface::STATE_TRANSFER) {
// Add the request curl handle to the multi handle
$handle = $this->createCurlHandle($request)->getHandle();
$this->checkCurlResult(curl_multi_add_handle($this->multiHandle, $handle));
} else {
// Requests might decide they don't need to be sent just before transfer (e.g. CachePlugin)
$this->remove($request);
if ($state == RequestInterface::STATE_COMPLETE) {
$this->successful[] = $request;
}
}
} catch (\Exception $e) {
// Queue the exception to be thrown when sent
$this->removeErroredRequest($request, $e);
}
}
/**
* Create a curl handle for a request
*
* @param RequestInterface $request Request
*
* @return CurlHandle
*/
protected function createCurlHandle(RequestInterface $request)
{
$wrapper = CurlHandle::factory($request);
$this->handles[$request] = $wrapper;
$this->resourceHash[(int) $wrapper->getHandle()] = $request;
return $wrapper;
}
/**
* Get the data from the multi handle
*/
protected function perform()
{
$event = new Event(array('curl_multi' => $this));
while ($this->requests) {
// Notify each request as polling
$blocking = $total = 0;
foreach ($this->requests as $request) {
++$total;
$event['request'] = $request;
$request->getEventDispatcher()->dispatch(self::POLLING_REQUEST, $event);
// The blocking variable just has to be non-falsey to block the loop
if ($request->getParams()->hasKey(self::BLOCKING)) {
++$blocking;
}
}
if ($blocking == $total) {
// Sleep to prevent eating CPU because no requests are actually pending a select call
usleep(500);
} else {
$this->executeHandles();
}
}
}
/**
* Execute and select curl handles
*/
private function executeHandles()
{
// The first curl_multi_select often times out no matter what, but is usually required for fast transfers
$selectTimeout = 0.001;
$active = false;
do {
while (($mrc = curl_multi_exec($this->multiHandle, $active)) == CURLM_CALL_MULTI_PERFORM);
$this->checkCurlResult($mrc);
$this->processMessages();
if ($active && curl_multi_select($this->multiHandle, $selectTimeout) === -1) {
// Perform a usleep if a select returns -1: https://bugs.php.net/bug.php?id=61141
usleep(150);
}
$selectTimeout = 1;
} while ($active);
}
/**
* Process any received curl multi messages
*/
private function processMessages()
{
while ($done = curl_multi_info_read($this->multiHandle)) {
$request = $this->resourceHash[(int) $done['handle']];
try {
$this->processResponse($request, $this->handles[$request], $done);
$this->successful[] = $request;
} catch (\Exception $e) {
$this->removeErroredRequest($request, $e);
}
}
}
/**
* Remove a request that encountered an exception
*
* @param RequestInterface $request Request to remove
* @param \Exception $e Exception encountered
*/
protected function removeErroredRequest(RequestInterface $request, \Exception $e = null)
{
$this->exceptions[] = array('request' => $request, 'exception' => $e);
$this->remove($request);
$this->dispatch(self::MULTI_EXCEPTION, array('exception' => $e, 'all_exceptions' => $this->exceptions));
}
/**
* Check for errors and fix headers of a request based on a curl response
*
* @param RequestInterface $request Request to process
* @param CurlHandle $handle Curl handle object
* @param array $curl Array returned from curl_multi_info_read
*
* @throws CurlException on Curl error
*/
protected function processResponse(RequestInterface $request, CurlHandle $handle, array $curl)
{
// Set the transfer stats on the response
$handle->updateRequestFromTransfer($request);
// Check if a cURL exception occurred, and if so, notify things
$curlException = $this->isCurlException($request, $handle, $curl);
// Always remove completed curl handles. They can be added back again
// via events if needed (e.g. ExponentialBackoffPlugin)
$this->removeHandle($request);
if (!$curlException) {
$state = $request->setState(RequestInterface::STATE_COMPLETE, array('handle' => $handle));
// Only remove the request if it wasn't resent as a result of the state change
if ($state != RequestInterface::STATE_TRANSFER) {
$this->remove($request);
}
} else {
// Set the state of the request to an error
$state = $request->setState(RequestInterface::STATE_ERROR, array('exception' => $curlException));
// Allow things to ignore the error if possible
if ($state != RequestInterface::STATE_TRANSFER) {
$this->remove($request);
}
// The error was not handled, so fail
if ($state == RequestInterface::STATE_ERROR) {
/** @var CurlException $curlException */
throw $curlException;
}
}
}
/**
* Remove a curl handle from the curl multi object
*
* @param RequestInterface $request Request that owns the handle
*/
protected function removeHandle(RequestInterface $request)
{
if (isset($this->handles[$request])) {
$handle = $this->handles[$request];
curl_multi_remove_handle($this->multiHandle, $handle->getHandle());
unset($this->handles[$request]);
unset($this->resourceHash[(int) $handle->getHandle()]);
$handle->close();
}
}
/**
* Check if a cURL transfer resulted in what should be an exception
*
* @param RequestInterface $request Request to check
* @param CurlHandle $handle Curl handle object
* @param array $curl Array returned from curl_multi_info_read
*
* @return CurlException|bool
*/
private function isCurlException(RequestInterface $request, CurlHandle $handle, array $curl)
{
if (CURLM_OK == $curl['result'] || CURLM_CALL_MULTI_PERFORM == $curl['result']) {
return false;
}
$handle->setErrorNo($curl['result']);
$e = new CurlException(sprintf('[curl] %s: %s [url] %s',
$handle->getErrorNo(), $handle->getError(), $handle->getUrl()));
$e->setCurlHandle($handle)
->setRequest($request)
->setCurlInfo($handle->getInfo())
->setError($handle->getError(), $handle->getErrorNo());
return $e;
}
/**
* Throw an exception for a cURL multi response if needed
*
* @param int $code Curl response code
* @throws CurlException
*/
private function checkCurlResult($code)
{
if ($code != CURLM_OK && $code != CURLM_CALL_MULTI_PERFORM) {
throw new CurlException(isset($this->multiErrors[$code])
? "cURL error: {$code} ({$this->multiErrors[$code][0]}): cURL message: {$this->multiErrors[$code][1]}"
: 'Unexpected cURL error: ' . $code
);
}
}
}
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