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-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php585
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/CurlFactoryInterface.php27
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php45
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php219
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.php92
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/MockHandler.php195
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/Proxy.php55
-rw-r--r--vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.php545
8 files changed, 1763 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php b/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php
new file mode 100644
index 0000000..4a28a96
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php
@@ -0,0 +1,585 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Promise\FulfilledPromise;
+use GuzzleHttp\Psr7;
+use GuzzleHttp\Psr7\LazyOpenStream;
+use GuzzleHttp\TransferStats;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Creates curl resources from a request
+ */
+class CurlFactory implements CurlFactoryInterface
+{
+ const CURL_VERSION_STR = 'curl_version';
+ const LOW_CURL_VERSION_NUMBER = '7.21.2';
+
+ /** @var array */
+ private $handles = [];
+
+ /** @var int Total number of idle handles to keep in cache */
+ private $maxHandles;
+
+ /**
+ * @param int $maxHandles Maximum number of idle handles.
+ */
+ public function __construct($maxHandles)
+ {
+ $this->maxHandles = $maxHandles;
+ }
+
+ public function create(RequestInterface $request, array $options)
+ {
+ if (isset($options['curl']['body_as_string'])) {
+ $options['_body_as_string'] = $options['curl']['body_as_string'];
+ unset($options['curl']['body_as_string']);
+ }
+
+ $easy = new EasyHandle;
+ $easy->request = $request;
+ $easy->options = $options;
+ $conf = $this->getDefaultConf($easy);
+ $this->applyMethod($easy, $conf);
+ $this->applyHandlerOptions($easy, $conf);
+ $this->applyHeaders($easy, $conf);
+ unset($conf['_headers']);
+
+ // Add handler options from the request configuration options
+ if (isset($options['curl'])) {
+ $conf = array_replace($conf, $options['curl']);
+ }
+
+ $conf[CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy);
+ $easy->handle = $this->handles
+ ? array_pop($this->handles)
+ : curl_init();
+ curl_setopt_array($easy->handle, $conf);
+
+ return $easy;
+ }
+
+ public function release(EasyHandle $easy)
+ {
+ $resource = $easy->handle;
+ unset($easy->handle);
+
+ if (count($this->handles) >= $this->maxHandles) {
+ curl_close($resource);
+ } else {
+ // Remove all callback functions as they can hold onto references
+ // and are not cleaned up by curl_reset. Using curl_setopt_array
+ // does not work for some reason, so removing each one
+ // individually.
+ curl_setopt($resource, CURLOPT_HEADERFUNCTION, null);
+ curl_setopt($resource, CURLOPT_READFUNCTION, null);
+ curl_setopt($resource, CURLOPT_WRITEFUNCTION, null);
+ curl_setopt($resource, CURLOPT_PROGRESSFUNCTION, null);
+ curl_reset($resource);
+ $this->handles[] = $resource;
+ }
+ }
+
+ /**
+ * Completes a cURL transaction, either returning a response promise or a
+ * rejected promise.
+ *
+ * @param callable $handler
+ * @param EasyHandle $easy
+ * @param CurlFactoryInterface $factory Dictates how the handle is released
+ *
+ * @return \GuzzleHttp\Promise\PromiseInterface
+ */
+ public static function finish(
+ callable $handler,
+ EasyHandle $easy,
+ CurlFactoryInterface $factory
+ ) {
+ if (isset($easy->options['on_stats'])) {
+ self::invokeStats($easy);
+ }
+
+ if (!$easy->response || $easy->errno) {
+ return self::finishError($handler, $easy, $factory);
+ }
+
+ // Return the response if it is present and there is no error.
+ $factory->release($easy);
+
+ // Rewind the body of the response if possible.
+ $body = $easy->response->getBody();
+ if ($body->isSeekable()) {
+ $body->rewind();
+ }
+
+ return new FulfilledPromise($easy->response);
+ }
+
+ private static function invokeStats(EasyHandle $easy)
+ {
+ $curlStats = curl_getinfo($easy->handle);
+ $curlStats['appconnect_time'] = curl_getinfo($easy->handle, CURLINFO_APPCONNECT_TIME);
+ $stats = new TransferStats(
+ $easy->request,
+ $easy->response,
+ $curlStats['total_time'],
+ $easy->errno,
+ $curlStats
+ );
+ call_user_func($easy->options['on_stats'], $stats);
+ }
+
+ private static function finishError(
+ callable $handler,
+ EasyHandle $easy,
+ CurlFactoryInterface $factory
+ ) {
+ // Get error information and release the handle to the factory.
+ $ctx = [
+ 'errno' => $easy->errno,
+ 'error' => curl_error($easy->handle),
+ 'appconnect_time' => curl_getinfo($easy->handle, CURLINFO_APPCONNECT_TIME),
+ ] + curl_getinfo($easy->handle);
+ $ctx[self::CURL_VERSION_STR] = curl_version()['version'];
+ $factory->release($easy);
+
+ // Retry when nothing is present or when curl failed to rewind.
+ if (empty($easy->options['_err_message'])
+ && (!$easy->errno || $easy->errno == 65)
+ ) {
+ return self::retryFailedRewind($handler, $easy, $ctx);
+ }
+
+ return self::createRejection($easy, $ctx);
+ }
+
+ private static function createRejection(EasyHandle $easy, array $ctx)
+ {
+ static $connectionErrors = [
+ CURLE_OPERATION_TIMEOUTED => true,
+ CURLE_COULDNT_RESOLVE_HOST => true,
+ CURLE_COULDNT_CONNECT => true,
+ CURLE_SSL_CONNECT_ERROR => true,
+ CURLE_GOT_NOTHING => true,
+ ];
+
+ // If an exception was encountered during the onHeaders event, then
+ // return a rejected promise that wraps that exception.
+ if ($easy->onHeadersException) {
+ return \GuzzleHttp\Promise\rejection_for(
+ new RequestException(
+ 'An error was encountered during the on_headers event',
+ $easy->request,
+ $easy->response,
+ $easy->onHeadersException,
+ $ctx
+ )
+ );
+ }
+ if (version_compare($ctx[self::CURL_VERSION_STR], self::LOW_CURL_VERSION_NUMBER)) {
+ $message = sprintf(
+ 'cURL error %s: %s (%s)',
+ $ctx['errno'],
+ $ctx['error'],
+ 'see https://curl.haxx.se/libcurl/c/libcurl-errors.html'
+ );
+ } else {
+ $message = sprintf(
+ 'cURL error %s: %s (%s) for %s',
+ $ctx['errno'],
+ $ctx['error'],
+ 'see https://curl.haxx.se/libcurl/c/libcurl-errors.html',
+ $easy->request->getUri()
+ );
+ }
+
+ // Create a connection exception if it was a specific error code.
+ $error = isset($connectionErrors[$easy->errno])
+ ? new ConnectException($message, $easy->request, null, $ctx)
+ : new RequestException($message, $easy->request, $easy->response, null, $ctx);
+
+ return \GuzzleHttp\Promise\rejection_for($error);
+ }
+
+ private function getDefaultConf(EasyHandle $easy)
+ {
+ $conf = [
+ '_headers' => $easy->request->getHeaders(),
+ CURLOPT_CUSTOMREQUEST => $easy->request->getMethod(),
+ CURLOPT_URL => (string) $easy->request->getUri()->withFragment(''),
+ CURLOPT_RETURNTRANSFER => false,
+ CURLOPT_HEADER => false,
+ CURLOPT_CONNECTTIMEOUT => 150,
+ ];
+
+ if (defined('CURLOPT_PROTOCOLS')) {
+ $conf[CURLOPT_PROTOCOLS] = CURLPROTO_HTTP | CURLPROTO_HTTPS;
+ }
+
+ $version = $easy->request->getProtocolVersion();
+ if ($version == 1.1) {
+ $conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1;
+ } elseif ($version == 2.0) {
+ $conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_2_0;
+ } else {
+ $conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0;
+ }
+
+ return $conf;
+ }
+
+ private function applyMethod(EasyHandle $easy, array &$conf)
+ {
+ $body = $easy->request->getBody();
+ $size = $body->getSize();
+
+ if ($size === null || $size > 0) {
+ $this->applyBody($easy->request, $easy->options, $conf);
+ return;
+ }
+
+ $method = $easy->request->getMethod();
+ if ($method === 'PUT' || $method === 'POST') {
+ // See http://tools.ietf.org/html/rfc7230#section-3.3.2
+ if (!$easy->request->hasHeader('Content-Length')) {
+ $conf[CURLOPT_HTTPHEADER][] = 'Content-Length: 0';
+ }
+ } elseif ($method === 'HEAD') {
+ $conf[CURLOPT_NOBODY] = true;
+ unset(
+ $conf[CURLOPT_WRITEFUNCTION],
+ $conf[CURLOPT_READFUNCTION],
+ $conf[CURLOPT_FILE],
+ $conf[CURLOPT_INFILE]
+ );
+ }
+ }
+
+ private function applyBody(RequestInterface $request, array $options, array &$conf)
+ {
+ $size = $request->hasHeader('Content-Length')
+ ? (int) $request->getHeaderLine('Content-Length')
+ : null;
+
+ // Send the body as a string if the size is less than 1MB OR if the
+ // [curl][body_as_string] request value is set.
+ if (($size !== null && $size < 1000000) ||
+ !empty($options['_body_as_string'])
+ ) {
+ $conf[CURLOPT_POSTFIELDS] = (string) $request->getBody();
+ // Don't duplicate the Content-Length header
+ $this->removeHeader('Content-Length', $conf);
+ $this->removeHeader('Transfer-Encoding', $conf);
+ } else {
+ $conf[CURLOPT_UPLOAD] = true;
+ if ($size !== null) {
+ $conf[CURLOPT_INFILESIZE] = $size;
+ $this->removeHeader('Content-Length', $conf);
+ }
+ $body = $request->getBody();
+ if ($body->isSeekable()) {
+ $body->rewind();
+ }
+ $conf[CURLOPT_READFUNCTION] = function ($ch, $fd, $length) use ($body) {
+ return $body->read($length);
+ };
+ }
+
+ // If the Expect header is not present, prevent curl from adding it
+ if (!$request->hasHeader('Expect')) {
+ $conf[CURLOPT_HTTPHEADER][] = 'Expect:';
+ }
+
+ // cURL sometimes adds a content-type by default. Prevent this.
+ if (!$request->hasHeader('Content-Type')) {
+ $conf[CURLOPT_HTTPHEADER][] = 'Content-Type:';
+ }
+ }
+
+ private function applyHeaders(EasyHandle $easy, array &$conf)
+ {
+ foreach ($conf['_headers'] as $name => $values) {
+ foreach ($values as $value) {
+ $value = (string) $value;
+ if ($value === '') {
+ // cURL requires a special format for empty headers.
+ // See https://github.com/guzzle/guzzle/issues/1882 for more details.
+ $conf[CURLOPT_HTTPHEADER][] = "$name;";
+ } else {
+ $conf[CURLOPT_HTTPHEADER][] = "$name: $value";
+ }
+ }
+ }
+
+ // Remove the Accept header if one was not set
+ if (!$easy->request->hasHeader('Accept')) {
+ $conf[CURLOPT_HTTPHEADER][] = 'Accept:';
+ }
+ }
+
+ /**
+ * Remove a header from the options array.
+ *
+ * @param string $name Case-insensitive header to remove
+ * @param array $options Array of options to modify
+ */
+ private function removeHeader($name, array &$options)
+ {
+ foreach (array_keys($options['_headers']) as $key) {
+ if (!strcasecmp($key, $name)) {
+ unset($options['_headers'][$key]);
+ return;
+ }
+ }
+ }
+
+ private function applyHandlerOptions(EasyHandle $easy, array &$conf)
+ {
+ $options = $easy->options;
+ if (isset($options['verify'])) {
+ if ($options['verify'] === false) {
+ unset($conf[CURLOPT_CAINFO]);
+ $conf[CURLOPT_SSL_VERIFYHOST] = 0;
+ $conf[CURLOPT_SSL_VERIFYPEER] = false;
+ } else {
+ $conf[CURLOPT_SSL_VERIFYHOST] = 2;
+ $conf[CURLOPT_SSL_VERIFYPEER] = true;
+ if (is_string($options['verify'])) {
+ // Throw an error if the file/folder/link path is not valid or doesn't exist.
+ if (!file_exists($options['verify'])) {
+ throw new \InvalidArgumentException(
+ "SSL CA bundle not found: {$options['verify']}"
+ );
+ }
+ // If it's a directory or a link to a directory use CURLOPT_CAPATH.
+ // If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO.
+ if (is_dir($options['verify']) ||
+ (is_link($options['verify']) && is_dir(readlink($options['verify'])))) {
+ $conf[CURLOPT_CAPATH] = $options['verify'];
+ } else {
+ $conf[CURLOPT_CAINFO] = $options['verify'];
+ }
+ }
+ }
+ }
+
+ if (!empty($options['decode_content'])) {
+ $accept = $easy->request->getHeaderLine('Accept-Encoding');
+ if ($accept) {
+ $conf[CURLOPT_ENCODING] = $accept;
+ } else {
+ $conf[CURLOPT_ENCODING] = '';
+ // Don't let curl send the header over the wire
+ $conf[CURLOPT_HTTPHEADER][] = 'Accept-Encoding:';
+ }
+ }
+
+ if (isset($options['sink'])) {
+ $sink = $options['sink'];
+ if (!is_string($sink)) {
+ $sink = \GuzzleHttp\Psr7\stream_for($sink);
+ } elseif (!is_dir(dirname($sink))) {
+ // Ensure that the directory exists before failing in curl.
+ throw new \RuntimeException(sprintf(
+ 'Directory %s does not exist for sink value of %s',
+ dirname($sink),
+ $sink
+ ));
+ } else {
+ $sink = new LazyOpenStream($sink, 'w+');
+ }
+ $easy->sink = $sink;
+ $conf[CURLOPT_WRITEFUNCTION] = function ($ch, $write) use ($sink) {
+ return $sink->write($write);
+ };
+ } else {
+ // Use a default temp stream if no sink was set.
+ $conf[CURLOPT_FILE] = fopen('php://temp', 'w+');
+ $easy->sink = Psr7\stream_for($conf[CURLOPT_FILE]);
+ }
+ $timeoutRequiresNoSignal = false;
+ if (isset($options['timeout'])) {
+ $timeoutRequiresNoSignal |= $options['timeout'] < 1;
+ $conf[CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000;
+ }
+
+ // CURL default value is CURL_IPRESOLVE_WHATEVER
+ if (isset($options['force_ip_resolve'])) {
+ if ('v4' === $options['force_ip_resolve']) {
+ $conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;
+ } elseif ('v6' === $options['force_ip_resolve']) {
+ $conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V6;
+ }
+ }
+
+ if (isset($options['connect_timeout'])) {
+ $timeoutRequiresNoSignal |= $options['connect_timeout'] < 1;
+ $conf[CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000;
+ }
+
+ if ($timeoutRequiresNoSignal && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
+ $conf[CURLOPT_NOSIGNAL] = true;
+ }
+
+ if (isset($options['proxy'])) {
+ if (!is_array($options['proxy'])) {
+ $conf[CURLOPT_PROXY] = $options['proxy'];
+ } else {
+ $scheme = $easy->request->getUri()->getScheme();
+ if (isset($options['proxy'][$scheme])) {
+ $host = $easy->request->getUri()->getHost();
+ if (!isset($options['proxy']['no']) ||
+ !\GuzzleHttp\is_host_in_noproxy($host, $options['proxy']['no'])
+ ) {
+ $conf[CURLOPT_PROXY] = $options['proxy'][$scheme];
+ }
+ }
+ }
+ }
+
+ if (isset($options['cert'])) {
+ $cert = $options['cert'];
+ if (is_array($cert)) {
+ $conf[CURLOPT_SSLCERTPASSWD] = $cert[1];
+ $cert = $cert[0];
+ }
+ if (!file_exists($cert)) {
+ throw new \InvalidArgumentException(
+ "SSL certificate not found: {$cert}"
+ );
+ }
+ $conf[CURLOPT_SSLCERT] = $cert;
+ }
+
+ if (isset($options['ssl_key'])) {
+ if (is_array($options['ssl_key'])) {
+ if (count($options['ssl_key']) === 2) {
+ list($sslKey, $conf[CURLOPT_SSLKEYPASSWD]) = $options['ssl_key'];
+ } else {
+ list($sslKey) = $options['ssl_key'];
+ }
+ }
+
+ $sslKey = isset($sslKey) ? $sslKey: $options['ssl_key'];
+
+ if (!file_exists($sslKey)) {
+ throw new \InvalidArgumentException(
+ "SSL private key not found: {$sslKey}"
+ );
+ }
+ $conf[CURLOPT_SSLKEY] = $sslKey;
+ }
+
+ if (isset($options['progress'])) {
+ $progress = $options['progress'];
+ if (!is_callable($progress)) {
+ throw new \InvalidArgumentException(
+ 'progress client option must be callable'
+ );
+ }
+ $conf[CURLOPT_NOPROGRESS] = false;
+ $conf[CURLOPT_PROGRESSFUNCTION] = function () use ($progress) {
+ $args = func_get_args();
+ // PHP 5.5 pushed the handle onto the start of the args
+ if (is_resource($args[0])) {
+ array_shift($args);
+ }
+ call_user_func_array($progress, $args);
+ };
+ }
+
+ if (!empty($options['debug'])) {
+ $conf[CURLOPT_STDERR] = \GuzzleHttp\debug_resource($options['debug']);
+ $conf[CURLOPT_VERBOSE] = true;
+ }
+ }
+
+ /**
+ * This function ensures that a response was set on a transaction. If one
+ * was not set, then the request is retried if possible. This error
+ * typically means you are sending a payload, curl encountered a
+ * "Connection died, retrying a fresh connect" error, tried to rewind the
+ * stream, and then encountered a "necessary data rewind wasn't possible"
+ * error, causing the request to be sent through curl_multi_info_read()
+ * without an error status.
+ */
+ private static function retryFailedRewind(
+ callable $handler,
+ EasyHandle $easy,
+ array $ctx
+ ) {
+ try {
+ // Only rewind if the body has been read from.
+ $body = $easy->request->getBody();
+ if ($body->tell() > 0) {
+ $body->rewind();
+ }
+ } catch (\RuntimeException $e) {
+ $ctx['error'] = 'The connection unexpectedly failed without '
+ . 'providing an error. The request would have been retried, '
+ . 'but attempting to rewind the request body failed. '
+ . 'Exception: ' . $e;
+ return self::createRejection($easy, $ctx);
+ }
+
+ // Retry no more than 3 times before giving up.
+ if (!isset($easy->options['_curl_retries'])) {
+ $easy->options['_curl_retries'] = 1;
+ } elseif ($easy->options['_curl_retries'] == 2) {
+ $ctx['error'] = 'The cURL request was retried 3 times '
+ . 'and did not succeed. The most likely reason for the failure '
+ . 'is that cURL was unable to rewind the body of the request '
+ . 'and subsequent retries resulted in the same error. Turn on '
+ . 'the debug option to see what went wrong. See '
+ . 'https://bugs.php.net/bug.php?id=47204 for more information.';
+ return self::createRejection($easy, $ctx);
+ } else {
+ $easy->options['_curl_retries']++;
+ }
+
+ return $handler($easy->request, $easy->options);
+ }
+
+ private function createHeaderFn(EasyHandle $easy)
+ {
+ if (isset($easy->options['on_headers'])) {
+ $onHeaders = $easy->options['on_headers'];
+
+ if (!is_callable($onHeaders)) {
+ throw new \InvalidArgumentException('on_headers must be callable');
+ }
+ } else {
+ $onHeaders = null;
+ }
+
+ return function ($ch, $h) use (
+ $onHeaders,
+ $easy,
+ &$startingResponse
+ ) {
+ $value = trim($h);
+ if ($value === '') {
+ $startingResponse = true;
+ $easy->createResponse();
+ if ($onHeaders !== null) {
+ try {
+ $onHeaders($easy->response);
+ } catch (\Exception $e) {
+ // Associate the exception with the handle and trigger
+ // a curl header write error by returning 0.
+ $easy->onHeadersException = $e;
+ return -1;
+ }
+ }
+ } elseif ($startingResponse) {
+ $startingResponse = false;
+ $easy->headers = [$value];
+ } else {
+ $easy->headers[] = $value;
+ }
+ return strlen($h);
+ };
+ }
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/CurlFactoryInterface.php b/vendor/guzzlehttp/guzzle/src/Handler/CurlFactoryInterface.php
new file mode 100644
index 0000000..b0fc236
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/CurlFactoryInterface.php
@@ -0,0 +1,27 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use Psr\Http\Message\RequestInterface;
+
+interface CurlFactoryInterface
+{
+ /**
+ * Creates a cURL handle resource.
+ *
+ * @param RequestInterface $request Request
+ * @param array $options Transfer options
+ *
+ * @return EasyHandle
+ * @throws \RuntimeException when an option cannot be applied
+ */
+ public function create(RequestInterface $request, array $options);
+
+ /**
+ * Release an easy handle, allowing it to be reused or closed.
+ *
+ * This function must call unset on the easy handle's "handle" property.
+ *
+ * @param EasyHandle $easy
+ */
+ public function release(EasyHandle $easy);
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php b/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php
new file mode 100644
index 0000000..43577da
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php
@@ -0,0 +1,45 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Psr7;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * HTTP handler that uses cURL easy handles as a transport layer.
+ *
+ * When using the CurlHandler, custom curl options can be specified as an
+ * associative array of curl option constants mapping to values in the
+ * **curl** key of the "client" key of the request.
+ */
+class CurlHandler
+{
+ /** @var CurlFactoryInterface */
+ private $factory;
+
+ /**
+ * Accepts an associative array of options:
+ *
+ * - factory: Optional curl factory used to create cURL handles.
+ *
+ * @param array $options Array of options to use with the handler
+ */
+ public function __construct(array $options = [])
+ {
+ $this->factory = isset($options['handle_factory'])
+ ? $options['handle_factory']
+ : new CurlFactory(3);
+ }
+
+ public function __invoke(RequestInterface $request, array $options)
+ {
+ if (isset($options['delay'])) {
+ usleep($options['delay'] * 1000);
+ }
+
+ $easy = $this->factory->create($request, $options);
+ curl_exec($easy->handle);
+ $easy->errno = curl_errno($easy->handle);
+
+ return CurlFactory::finish($this, $easy, $this->factory);
+ }
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php b/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php
new file mode 100644
index 0000000..564c95f
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php
@@ -0,0 +1,219 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Promise as P;
+use GuzzleHttp\Promise\Promise;
+use GuzzleHttp\Utils;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Returns an asynchronous response using curl_multi_* functions.
+ *
+ * When using the CurlMultiHandler, custom curl options can be specified as an
+ * associative array of curl option constants mapping to values in the
+ * **curl** key of the provided request options.
+ *
+ * @property resource $_mh Internal use only. Lazy loaded multi-handle.
+ */
+class CurlMultiHandler
+{
+ /** @var CurlFactoryInterface */
+ private $factory;
+ private $selectTimeout;
+ private $active;
+ private $handles = [];
+ private $delays = [];
+ private $options = [];
+
+ /**
+ * This handler accepts the following options:
+ *
+ * - handle_factory: An optional factory used to create curl handles
+ * - select_timeout: Optional timeout (in seconds) to block before timing
+ * out while selecting curl handles. Defaults to 1 second.
+ * - options: An associative array of CURLMOPT_* options and
+ * corresponding values for curl_multi_setopt()
+ *
+ * @param array $options
+ */
+ public function __construct(array $options = [])
+ {
+ $this->factory = isset($options['handle_factory'])
+ ? $options['handle_factory'] : new CurlFactory(50);
+
+ if (isset($options['select_timeout'])) {
+ $this->selectTimeout = $options['select_timeout'];
+ } elseif ($selectTimeout = getenv('GUZZLE_CURL_SELECT_TIMEOUT')) {
+ $this->selectTimeout = $selectTimeout;
+ } else {
+ $this->selectTimeout = 1;
+ }
+
+ $this->options = isset($options['options']) ? $options['options'] : [];
+ }
+
+ public function __get($name)
+ {
+ if ($name === '_mh') {
+ $this->_mh = curl_multi_init();
+
+ foreach ($this->options as $option => $value) {
+ // A warning is raised in case of a wrong option.
+ curl_multi_setopt($this->_mh, $option, $value);
+ }
+
+ // Further calls to _mh will return the value directly, without entering the
+ // __get() method at all.
+ return $this->_mh;
+ }
+
+ throw new \BadMethodCallException();
+ }
+
+ public function __destruct()
+ {
+ if (isset($this->_mh)) {
+ curl_multi_close($this->_mh);
+ unset($this->_mh);
+ }
+ }
+
+ public function __invoke(RequestInterface $request, array $options)
+ {
+ $easy = $this->factory->create($request, $options);
+ $id = (int) $easy->handle;
+
+ $promise = new Promise(
+ [$this, 'execute'],
+ function () use ($id) {
+ return $this->cancel($id);
+ }
+ );
+
+ $this->addRequest(['easy' => $easy, 'deferred' => $promise]);
+
+ return $promise;
+ }
+
+ /**
+ * Ticks the curl event loop.
+ */
+ public function tick()
+ {
+ // Add any delayed handles if needed.
+ if ($this->delays) {
+ $currentTime = Utils::currentTime();
+ foreach ($this->delays as $id => $delay) {
+ if ($currentTime >= $delay) {
+ unset($this->delays[$id]);
+ curl_multi_add_handle(
+ $this->_mh,
+ $this->handles[$id]['easy']->handle
+ );
+ }
+ }
+ }
+
+ // Step through the task queue which may add additional requests.
+ P\queue()->run();
+
+ if ($this->active &&
+ curl_multi_select($this->_mh, $this->selectTimeout) === -1
+ ) {
+ // Perform a usleep if a select returns -1.
+ // See: https://bugs.php.net/bug.php?id=61141
+ usleep(250);
+ }
+
+ while (curl_multi_exec($this->_mh, $this->active) === CURLM_CALL_MULTI_PERFORM);
+
+ $this->processMessages();
+ }
+
+ /**
+ * Runs until all outstanding connections have completed.
+ */
+ public function execute()
+ {
+ $queue = P\queue();
+
+ while ($this->handles || !$queue->isEmpty()) {
+ // If there are no transfers, then sleep for the next delay
+ if (!$this->active && $this->delays) {
+ usleep($this->timeToNext());
+ }
+ $this->tick();
+ }
+ }
+
+ private function addRequest(array $entry)
+ {
+ $easy = $entry['easy'];
+ $id = (int) $easy->handle;
+ $this->handles[$id] = $entry;
+ if (empty($easy->options['delay'])) {
+ curl_multi_add_handle($this->_mh, $easy->handle);
+ } else {
+ $this->delays[$id] = Utils::currentTime() + ($easy->options['delay'] / 1000);
+ }
+ }
+
+ /**
+ * Cancels a handle from sending and removes references to it.
+ *
+ * @param int $id Handle ID to cancel and remove.
+ *
+ * @return bool True on success, false on failure.
+ */
+ private function cancel($id)
+ {
+ // Cannot cancel if it has been processed.
+ if (!isset($this->handles[$id])) {
+ return false;
+ }
+
+ $handle = $this->handles[$id]['easy']->handle;
+ unset($this->delays[$id], $this->handles[$id]);
+ curl_multi_remove_handle($this->_mh, $handle);
+ curl_close($handle);
+
+ return true;
+ }
+
+ private function processMessages()
+ {
+ while ($done = curl_multi_info_read($this->_mh)) {
+ $id = (int) $done['handle'];
+ curl_multi_remove_handle($this->_mh, $done['handle']);
+
+ if (!isset($this->handles[$id])) {
+ // Probably was cancelled.
+ continue;
+ }
+
+ $entry = $this->handles[$id];
+ unset($this->handles[$id], $this->delays[$id]);
+ $entry['easy']->errno = $done['result'];
+ $entry['deferred']->resolve(
+ CurlFactory::finish(
+ $this,
+ $entry['easy'],
+ $this->factory
+ )
+ );
+ }
+ }
+
+ private function timeToNext()
+ {
+ $currentTime = Utils::currentTime();
+ $nextTime = PHP_INT_MAX;
+ foreach ($this->delays as $time) {
+ if ($time < $nextTime) {
+ $nextTime = $time;
+ }
+ }
+
+ return max(0, $nextTime - $currentTime) * 1000000;
+ }
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.php b/vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.php
new file mode 100644
index 0000000..7754e91
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.php
@@ -0,0 +1,92 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Psr7\Response;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\StreamInterface;
+
+/**
+ * Represents a cURL easy handle and the data it populates.
+ *
+ * @internal
+ */
+final class EasyHandle
+{
+ /** @var resource cURL resource */
+ public $handle;
+
+ /** @var StreamInterface Where data is being written */
+ public $sink;
+
+ /** @var array Received HTTP headers so far */
+ public $headers = [];
+
+ /** @var ResponseInterface Received response (if any) */
+ public $response;
+
+ /** @var RequestInterface Request being sent */
+ public $request;
+
+ /** @var array Request options */
+ public $options = [];
+
+ /** @var int cURL error number (if any) */
+ public $errno = 0;
+
+ /** @var \Exception Exception during on_headers (if any) */
+ public $onHeadersException;
+
+ /**
+ * Attach a response to the easy handle based on the received headers.
+ *
+ * @throws \RuntimeException if no headers have been received.
+ */
+ public function createResponse()
+ {
+ if (empty($this->headers)) {
+ throw new \RuntimeException('No headers have been received');
+ }
+
+ // HTTP-version SP status-code SP reason-phrase
+ $startLine = explode(' ', array_shift($this->headers), 3);
+ $headers = \GuzzleHttp\headers_from_lines($this->headers);
+ $normalizedKeys = \GuzzleHttp\normalize_header_keys($headers);
+
+ if (!empty($this->options['decode_content'])
+ && isset($normalizedKeys['content-encoding'])
+ ) {
+ $headers['x-encoded-content-encoding']
+ = $headers[$normalizedKeys['content-encoding']];
+ unset($headers[$normalizedKeys['content-encoding']]);
+ if (isset($normalizedKeys['content-length'])) {
+ $headers['x-encoded-content-length']
+ = $headers[$normalizedKeys['content-length']];
+
+ $bodyLength = (int) $this->sink->getSize();
+ if ($bodyLength) {
+ $headers[$normalizedKeys['content-length']] = $bodyLength;
+ } else {
+ unset($headers[$normalizedKeys['content-length']]);
+ }
+ }
+ }
+
+ // Attach a response to the easy handle with the parsed headers.
+ $this->response = new Response(
+ $startLine[1],
+ $headers,
+ $this->sink,
+ substr($startLine[0], 5),
+ isset($startLine[2]) ? (string) $startLine[2] : null
+ );
+ }
+
+ public function __get($name)
+ {
+ $msg = $name === 'handle'
+ ? 'The EasyHandle has been released'
+ : 'Invalid property: ' . $name;
+ throw new \BadMethodCallException($msg);
+ }
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/MockHandler.php b/vendor/guzzlehttp/guzzle/src/Handler/MockHandler.php
new file mode 100644
index 0000000..5b312bc
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/MockHandler.php
@@ -0,0 +1,195 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Promise\PromiseInterface;
+use GuzzleHttp\Promise\RejectedPromise;
+use GuzzleHttp\TransferStats;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * Handler that returns responses or throw exceptions from a queue.
+ */
+class MockHandler implements \Countable
+{
+ private $queue = [];
+ private $lastRequest;
+ private $lastOptions;
+ private $onFulfilled;
+ private $onRejected;
+
+ /**
+ * Creates a new MockHandler that uses the default handler stack list of
+ * middlewares.
+ *
+ * @param array $queue Array of responses, callables, or exceptions.
+ * @param callable $onFulfilled Callback to invoke when the return value is fulfilled.
+ * @param callable $onRejected Callback to invoke when the return value is rejected.
+ *
+ * @return HandlerStack
+ */
+ public static function createWithMiddleware(
+ array $queue = null,
+ callable $onFulfilled = null,
+ callable $onRejected = null
+ ) {
+ return HandlerStack::create(new self($queue, $onFulfilled, $onRejected));
+ }
+
+ /**
+ * The passed in value must be an array of
+ * {@see Psr7\Http\Message\ResponseInterface} objects, Exceptions,
+ * callables, or Promises.
+ *
+ * @param array $queue
+ * @param callable $onFulfilled Callback to invoke when the return value is fulfilled.
+ * @param callable $onRejected Callback to invoke when the return value is rejected.
+ */
+ public function __construct(
+ array $queue = null,
+ callable $onFulfilled = null,
+ callable $onRejected = null
+ ) {
+ $this->onFulfilled = $onFulfilled;
+ $this->onRejected = $onRejected;
+
+ if ($queue) {
+ call_user_func_array([$this, 'append'], $queue);
+ }
+ }
+
+ public function __invoke(RequestInterface $request, array $options)
+ {
+ if (!$this->queue) {
+ throw new \OutOfBoundsException('Mock queue is empty');
+ }
+
+ if (isset($options['delay']) && is_numeric($options['delay'])) {
+ usleep($options['delay'] * 1000);
+ }
+
+ $this->lastRequest = $request;
+ $this->lastOptions = $options;
+ $response = array_shift($this->queue);
+
+ if (isset($options['on_headers'])) {
+ if (!is_callable($options['on_headers'])) {
+ throw new \InvalidArgumentException('on_headers must be callable');
+ }
+ try {
+ $options['on_headers']($response);
+ } catch (\Exception $e) {
+ $msg = 'An error was encountered during the on_headers event';
+ $response = new RequestException($msg, $request, $response, $e);
+ }
+ }
+
+ if (is_callable($response)) {
+ $response = call_user_func($response, $request, $options);
+ }
+
+ $response = $response instanceof \Exception
+ ? \GuzzleHttp\Promise\rejection_for($response)
+ : \GuzzleHttp\Promise\promise_for($response);
+
+ return $response->then(
+ function ($value) use ($request, $options) {
+ $this->invokeStats($request, $options, $value);
+ if ($this->onFulfilled) {
+ call_user_func($this->onFulfilled, $value);
+ }
+ if (isset($options['sink'])) {
+ $contents = (string) $value->getBody();
+ $sink = $options['sink'];
+
+ if (is_resource($sink)) {
+ fwrite($sink, $contents);
+ } elseif (is_string($sink)) {
+ file_put_contents($sink, $contents);
+ } elseif ($sink instanceof \Psr\Http\Message\StreamInterface) {
+ $sink->write($contents);
+ }
+ }
+
+ return $value;
+ },
+ function ($reason) use ($request, $options) {
+ $this->invokeStats($request, $options, null, $reason);
+ if ($this->onRejected) {
+ call_user_func($this->onRejected, $reason);
+ }
+ return \GuzzleHttp\Promise\rejection_for($reason);
+ }
+ );
+ }
+
+ /**
+ * Adds one or more variadic requests, exceptions, callables, or promises
+ * to the queue.
+ */
+ public function append()
+ {
+ foreach (func_get_args() as $value) {
+ if ($value instanceof ResponseInterface
+ || $value instanceof \Exception
+ || $value instanceof PromiseInterface
+ || is_callable($value)
+ ) {
+ $this->queue[] = $value;
+ } else {
+ throw new \InvalidArgumentException('Expected a response or '
+ . 'exception. Found ' . \GuzzleHttp\describe_type($value));
+ }
+ }
+ }
+
+ /**
+ * Get the last received request.
+ *
+ * @return RequestInterface
+ */
+ public function getLastRequest()
+ {
+ return $this->lastRequest;
+ }
+
+ /**
+ * Get the last received request options.
+ *
+ * @return array
+ */
+ public function getLastOptions()
+ {
+ return $this->lastOptions;
+ }
+
+ /**
+ * Returns the number of remaining items in the queue.
+ *
+ * @return int
+ */
+ public function count()
+ {
+ return count($this->queue);
+ }
+
+ public function reset()
+ {
+ $this->queue = [];
+ }
+
+ private function invokeStats(
+ RequestInterface $request,
+ array $options,
+ ResponseInterface $response = null,
+ $reason = null
+ ) {
+ if (isset($options['on_stats'])) {
+ $transferTime = isset($options['transfer_time']) ? $options['transfer_time'] : 0;
+ $stats = new TransferStats($request, $response, $transferTime, $reason);
+ call_user_func($options['on_stats'], $stats);
+ }
+ }
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php b/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php
new file mode 100644
index 0000000..f8b00be
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php
@@ -0,0 +1,55 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\RequestOptions;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Provides basic proxies for handlers.
+ */
+class Proxy
+{
+ /**
+ * Sends synchronous requests to a specific handler while sending all other
+ * requests to another handler.
+ *
+ * @param callable $default Handler used for normal responses
+ * @param callable $sync Handler used for synchronous responses.
+ *
+ * @return callable Returns the composed handler.
+ */
+ public static function wrapSync(
+ callable $default,
+ callable $sync
+ ) {
+ return function (RequestInterface $request, array $options) use ($default, $sync) {
+ return empty($options[RequestOptions::SYNCHRONOUS])
+ ? $default($request, $options)
+ : $sync($request, $options);
+ };
+ }
+
+ /**
+ * Sends streaming requests to a streaming compatible handler while sending
+ * all other requests to a default handler.
+ *
+ * This, for example, could be useful for taking advantage of the
+ * performance benefits of curl while still supporting true streaming
+ * through the StreamHandler.
+ *
+ * @param callable $default Handler used for non-streaming responses
+ * @param callable $streaming Handler used for streaming responses
+ *
+ * @return callable Returns the composed handler.
+ */
+ public static function wrapStreaming(
+ callable $default,
+ callable $streaming
+ ) {
+ return function (RequestInterface $request, array $options) use ($default, $streaming) {
+ return empty($options['stream'])
+ ? $default($request, $options)
+ : $streaming($request, $options);
+ };
+ }
+}
diff --git a/vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.php b/vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.php
new file mode 100644
index 0000000..a15734a
--- /dev/null
+++ b/vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.php
@@ -0,0 +1,545 @@
+<?php
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Promise\FulfilledPromise;
+use GuzzleHttp\Promise\PromiseInterface;
+use GuzzleHttp\Psr7;
+use GuzzleHttp\TransferStats;
+use GuzzleHttp\Utils;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\StreamInterface;
+
+/**
+ * HTTP handler that uses PHP's HTTP stream wrapper.
+ */
+class StreamHandler
+{
+ private $lastHeaders = [];
+
+ /**
+ * Sends an HTTP request.
+ *
+ * @param RequestInterface $request Request to send.
+ * @param array $options Request transfer options.
+ *
+ * @return PromiseInterface
+ */
+ public function __invoke(RequestInterface $request, array $options)
+ {
+ // Sleep if there is a delay specified.
+ if (isset($options['delay'])) {
+ usleep($options['delay'] * 1000);
+ }
+
+ $startTime = isset($options['on_stats']) ? Utils::currentTime() : null;
+
+ try {
+ // Does not support the expect header.
+ $request = $request->withoutHeader('Expect');
+
+ // Append a content-length header if body size is zero to match
+ // cURL's behavior.
+ if (0 === $request->getBody()->getSize()) {
+ $request = $request->withHeader('Content-Length', '0');
+ }
+
+ return $this->createResponse(
+ $request,
+ $options,
+ $this->createStream($request, $options),
+ $startTime
+ );
+ } catch (\InvalidArgumentException $e) {
+ throw $e;
+ } catch (\Exception $e) {
+ // Determine if the error was a networking error.
+ $message = $e->getMessage();
+ // This list can probably get more comprehensive.
+ if (strpos($message, 'getaddrinfo') // DNS lookup failed
+ || strpos($message, 'Connection refused')
+ || strpos($message, "couldn't connect to host") // error on HHVM
+ || strpos($message, "connection attempt failed")
+ ) {
+ $e = new ConnectException($e->getMessage(), $request, $e);
+ }
+ $e = RequestException::wrapException($request, $e);
+ $this->invokeStats($options, $request, $startTime, null, $e);
+
+ return \GuzzleHttp\Promise\rejection_for($e);
+ }
+ }
+
+ private function invokeStats(
+ array $options,
+ RequestInterface $request,
+ $startTime,
+ ResponseInterface $response = null,
+ $error = null
+ ) {
+ if (isset($options['on_stats'])) {
+ $stats = new TransferStats(
+ $request,
+ $response,
+ Utils::currentTime() - $startTime,
+ $error,
+ []
+ );
+ call_user_func($options['on_stats'], $stats);
+ }
+ }
+
+ private function createResponse(
+ RequestInterface $request,
+ array $options,
+ $stream,
+ $startTime
+ ) {
+ $hdrs = $this->lastHeaders;
+ $this->lastHeaders = [];
+ $parts = explode(' ', array_shift($hdrs), 3);
+ $ver = explode('/', $parts[0])[1];
+ $status = $parts[1];
+ $reason = isset($parts[2]) ? $parts[2] : null;
+ $headers = \GuzzleHttp\headers_from_lines($hdrs);
+ list($stream, $headers) = $this->checkDecode($options, $headers, $stream);
+ $stream = Psr7\stream_for($stream);
+ $sink = $stream;
+
+ if (strcasecmp('HEAD', $request->getMethod())) {
+ $sink = $this->createSink($stream, $options);
+ }
+
+ $response = new Psr7\Response($status, $headers, $sink, $ver, $reason);
+
+ if (isset($options['on_headers'])) {
+ try {
+ $options['on_headers']($response);
+ } catch (\Exception $e) {
+ $msg = 'An error was encountered during the on_headers event';
+ $ex = new RequestException($msg, $request, $response, $e);
+ return \GuzzleHttp\Promise\rejection_for($ex);
+ }
+ }
+
+ // Do not drain when the request is a HEAD request because they have
+ // no body.
+ if ($sink !== $stream) {
+ $this->drain(
+ $stream,
+ $sink,
+ $response->getHeaderLine('Content-Length')
+ );
+ }
+
+ $this->invokeStats($options, $request, $startTime, $response, null);
+
+ return new FulfilledPromise($response);
+ }
+
+ private function createSink(StreamInterface $stream, array $options)
+ {
+ if (!empty($options['stream'])) {
+ return $stream;
+ }
+
+ $sink = isset($options['sink'])
+ ? $options['sink']
+ : fopen('php://temp', 'r+');
+
+ return is_string($sink)
+ ? new Psr7\LazyOpenStream($sink, 'w+')
+ : Psr7\stream_for($sink);
+ }
+
+ private function checkDecode(array $options, array $headers, $stream)
+ {
+ // Automatically decode responses when instructed.
+ if (!empty($options['decode_content'])) {
+ $normalizedKeys = \GuzzleHttp\normalize_header_keys($headers);
+ if (isset($normalizedKeys['content-encoding'])) {
+ $encoding = $headers[$normalizedKeys['content-encoding']];
+ if ($encoding[0] === 'gzip' || $encoding[0] === 'deflate') {
+ $stream = new Psr7\InflateStream(
+ Psr7\stream_for($stream)
+ );
+ $headers['x-encoded-content-encoding']
+ = $headers[$normalizedKeys['content-encoding']];
+ // Remove content-encoding header
+ unset($headers[$normalizedKeys['content-encoding']]);
+ // Fix content-length header
+ if (isset($normalizedKeys['content-length'])) {
+ $headers['x-encoded-content-length']
+ = $headers[$normalizedKeys['content-length']];
+
+ $length = (int) $stream->getSize();
+ if ($length === 0) {
+ unset($headers[$normalizedKeys['content-length']]);
+ } else {
+ $headers[$normalizedKeys['content-length']] = [$length];
+ }
+ }
+ }
+ }
+ }
+
+ return [$stream, $headers];
+ }
+
+ /**
+ * Drains the source stream into the "sink" client option.
+ *
+ * @param StreamInterface $source
+ * @param StreamInterface $sink
+ * @param string $contentLength Header specifying the amount of
+ * data to read.
+ *
+ * @return StreamInterface
+ * @throws \RuntimeException when the sink option is invalid.
+ */
+ private function drain(
+ StreamInterface $source,
+ StreamInterface $sink,
+ $contentLength
+ ) {
+ // If a content-length header is provided, then stop reading once
+ // that number of bytes has been read. This can prevent infinitely
+ // reading from a stream when dealing with servers that do not honor
+ // Connection: Close headers.
+ Psr7\copy_to_stream(
+ $source,
+ $sink,
+ (strlen($contentLength) > 0 && (int) $contentLength > 0) ? (int) $contentLength : -1
+ );
+
+ $sink->seek(0);
+ $source->close();
+
+ return $sink;
+ }
+
+ /**
+ * Create a resource and check to ensure it was created successfully
+ *
+ * @param callable $callback Callable that returns stream resource
+ *
+ * @return resource
+ * @throws \RuntimeException on error
+ */
+ private function createResource(callable $callback)
+ {
+ $errors = null;
+ set_error_handler(function ($_, $msg, $file, $line) use (&$errors) {
+ $errors[] = [
+ 'message' => $msg,
+ 'file' => $file,
+ 'line' => $line
+ ];
+ return true;
+ });
+
+ $resource = $callback();
+ restore_error_handler();
+
+ if (!$resource) {
+ $message = 'Error creating resource: ';
+ foreach ($errors as $err) {
+ foreach ($err as $key => $value) {
+ $message .= "[$key] $value" . PHP_EOL;
+ }
+ }
+ throw new \RuntimeException(trim($message));
+ }
+
+ return $resource;
+ }
+
+ private function createStream(RequestInterface $request, array $options)
+ {
+ static $methods;
+ if (!$methods) {
+ $methods = array_flip(get_class_methods(__CLASS__));
+ }
+
+ // HTTP/1.1 streams using the PHP stream wrapper require a
+ // Connection: close header
+ if ($request->getProtocolVersion() == '1.1'
+ && !$request->hasHeader('Connection')
+ ) {
+ $request = $request->withHeader('Connection', 'close');
+ }
+
+ // Ensure SSL is verified by default
+ if (!isset($options['verify'])) {
+ $options['verify'] = true;
+ }
+
+ $params = [];
+ $context = $this->getDefaultContext($request);
+
+ if (isset($options['on_headers']) && !is_callable($options['on_headers'])) {
+ throw new \InvalidArgumentException('on_headers must be callable');
+ }
+
+ if (!empty($options)) {
+ foreach ($options as $key => $value) {
+ $method = "add_{$key}";
+ if (isset($methods[$method])) {
+ $this->{$method}($request, $context, $value, $params);
+ }
+ }
+ }
+
+ if (isset($options['stream_context'])) {
+ if (!is_array($options['stream_context'])) {
+ throw new \InvalidArgumentException('stream_context must be an array');
+ }
+ $context = array_replace_recursive(
+ $context,
+ $options['stream_context']
+ );
+ }
+
+ // Microsoft NTLM authentication only supported with curl handler
+ if (isset($options['auth'])
+ && is_array($options['auth'])
+ && isset($options['auth'][2])
+ && 'ntlm' == $options['auth'][2]
+ ) {
+ throw new \InvalidArgumentException('Microsoft NTLM authentication only supported with curl handler');
+ }
+
+ $uri = $this->resolveHost($request, $options);
+
+ $context = $this->createResource(
+ function () use ($context, $params) {
+ return stream_context_create($context, $params);
+ }
+ );
+
+ return $this->createResource(
+ function () use ($uri, &$http_response_header, $context, $options) {
+ $resource = fopen((string) $uri, 'r', null, $context);
+ $this->lastHeaders = $http_response_header;
+
+ if (isset($options['read_timeout'])) {
+ $readTimeout = $options['read_timeout'];
+ $sec = (int) $readTimeout;
+ $usec = ($readTimeout - $sec) * 100000;
+ stream_set_timeout($resource, $sec, $usec);
+ }
+
+ return $resource;
+ }
+ );
+ }
+
+ private function resolveHost(RequestInterface $request, array $options)
+ {
+ $uri = $request->getUri();
+
+ if (isset($options['force_ip_resolve']) && !filter_var($uri->getHost(), FILTER_VALIDATE_IP)) {
+ if ('v4' === $options['force_ip_resolve']) {
+ $records = dns_get_record($uri->getHost(), DNS_A);
+ if (!isset($records[0]['ip'])) {
+ throw new ConnectException(
+ sprintf(
+ "Could not resolve IPv4 address for host '%s'",
+ $uri->getHost()
+ ),
+ $request
+ );
+ }
+ $uri = $uri->withHost($records[0]['ip']);
+ } elseif ('v6' === $options['force_ip_resolve']) {
+ $records = dns_get_record($uri->getHost(), DNS_AAAA);
+ if (!isset($records[0]['ipv6'])) {
+ throw new ConnectException(
+ sprintf(
+ "Could not resolve IPv6 address for host '%s'",
+ $uri->getHost()
+ ),
+ $request
+ );
+ }
+ $uri = $uri->withHost('[' . $records[0]['ipv6'] . ']');
+ }
+ }
+
+ return $uri;
+ }
+
+ private function getDefaultContext(RequestInterface $request)
+ {
+ $headers = '';
+ foreach ($request->getHeaders() as $name => $value) {
+ foreach ($value as $val) {
+ $headers .= "$name: $val\r\n";
+ }
+ }
+
+ $context = [
+ 'http' => [
+ 'method' => $request->getMethod(),
+ 'header' => $headers,
+ 'protocol_version' => $request->getProtocolVersion(),
+ 'ignore_errors' => true,
+ 'follow_location' => 0,
+ ],
+ ];
+
+ $body = (string) $request->getBody();
+
+ if (!empty($body)) {
+ $context['http']['content'] = $body;
+ // Prevent the HTTP handler from adding a Content-Type header.
+ if (!$request->hasHeader('Content-Type')) {
+ $context['http']['header'] .= "Content-Type:\r\n";
+ }
+ }
+
+ $context['http']['header'] = rtrim($context['http']['header']);
+
+ return $context;
+ }
+
+ private function add_proxy(RequestInterface $request, &$options, $value, &$params)
+ {
+ if (!is_array($value)) {
+ $options['http']['proxy'] = $value;
+ } else {
+ $scheme = $request->getUri()->getScheme();
+ if (isset($value[$scheme])) {
+ if (!isset($value['no'])
+ || !\GuzzleHttp\is_host_in_noproxy(
+ $request->getUri()->getHost(),
+ $value['no']
+ )
+ ) {
+ $options['http']['proxy'] = $value[$scheme];
+ }
+ }
+ }
+ }
+
+ private function add_timeout(RequestInterface $request, &$options, $value, &$params)
+ {
+ if ($value > 0) {
+ $options['http']['timeout'] = $value;
+ }
+ }
+
+ private function add_verify(RequestInterface $request, &$options, $value, &$params)
+ {
+ if ($value === true) {
+ // PHP 5.6 or greater will find the system cert by default. When
+ // < 5.6, use the Guzzle bundled cacert.
+ if (PHP_VERSION_ID < 50600) {
+ $options['ssl']['cafile'] = \GuzzleHttp\default_ca_bundle();
+ }
+ } elseif (is_string($value)) {
+ $options['ssl']['cafile'] = $value;
+ if (!file_exists($value)) {
+ throw new \RuntimeException("SSL CA bundle not found: $value");
+ }
+ } elseif ($value === false) {
+ $options['ssl']['verify_peer'] = false;
+ $options['ssl']['verify_peer_name'] = false;
+ return;
+ } else {
+ throw new \InvalidArgumentException('Invalid verify request option');
+ }
+
+ $options['ssl']['verify_peer'] = true;
+ $options['ssl']['verify_peer_name'] = true;
+ $options['ssl']['allow_self_signed'] = false;
+ }
+
+ private function add_cert(RequestInterface $request, &$options, $value, &$params)
+ {
+ if (is_array($value)) {
+ $options['ssl']['passphrase'] = $value[1];
+ $value = $value[0];
+ }
+
+ if (!file_exists($value)) {
+ throw new \RuntimeException("SSL certificate not found: {$value}");
+ }
+
+ $options['ssl']['local_cert'] = $value;
+ }
+
+ private function add_progress(RequestInterface $request, &$options, $value, &$params)
+ {
+ $this->addNotification(
+ $params,
+ function ($code, $a, $b, $c, $transferred, $total) use ($value) {
+ if ($code == STREAM_NOTIFY_PROGRESS) {
+ $value($total, $transferred, null, null);
+ }
+ }
+ );
+ }
+
+ private function add_debug(RequestInterface $request, &$options, $value, &$params)
+ {
+ if ($value === false) {
+ return;
+ }
+
+ static $map = [
+ STREAM_NOTIFY_CONNECT => 'CONNECT',
+ STREAM_NOTIFY_AUTH_REQUIRED => 'AUTH_REQUIRED',
+ STREAM_NOTIFY_AUTH_RESULT => 'AUTH_RESULT',
+ STREAM_NOTIFY_MIME_TYPE_IS => 'MIME_TYPE_IS',
+ STREAM_NOTIFY_FILE_SIZE_IS => 'FILE_SIZE_IS',
+ STREAM_NOTIFY_REDIRECTED => 'REDIRECTED',
+ STREAM_NOTIFY_PROGRESS => 'PROGRESS',
+ STREAM_NOTIFY_FAILURE => 'FAILURE',
+ STREAM_NOTIFY_COMPLETED => 'COMPLETED',
+ STREAM_NOTIFY_RESOLVE => 'RESOLVE',
+ ];
+ static $args = ['severity', 'message', 'message_code',
+ 'bytes_transferred', 'bytes_max'];
+
+ $value = \GuzzleHttp\debug_resource($value);
+ $ident = $request->getMethod() . ' ' . $request->getUri()->withFragment('');
+ $this->addNotification(
+ $params,
+ function () use ($ident, $value, $map, $args) {
+ $passed = func_get_args();
+ $code = array_shift($passed);
+ fprintf($value, '<%s> [%s] ', $ident, $map[$code]);
+ foreach (array_filter($passed) as $i => $v) {
+ fwrite($value, $args[$i] . ': "' . $v . '" ');
+ }
+ fwrite($value, "\n");
+ }
+ );
+ }
+
+ private function addNotification(array &$params, callable $notify)
+ {
+ // Wrap the existing function if needed.
+ if (!isset($params['notification'])) {
+ $params['notification'] = $notify;
+ } else {
+ $params['notification'] = $this->callArray([
+ $params['notification'],
+ $notify
+ ]);
+ }
+ }
+
+ private function callArray(array $functions)
+ {
+ return function () use ($functions) {
+ $args = func_get_args();
+ foreach ($functions as $fn) {
+ call_user_func_array($fn, $args);
+ }
+ };
+ }
+}