537 lines
19 KiB
PHP
537 lines
19 KiB
PHP
|
<?php
|
||
|
|
namespace GuzzleHttp\Handler;
|
||
|
|
|
||
|
|
use GuzzleHttp\Exception\RequestException;
|
||
|
|
use GuzzleHttp\Exception\ConnectException;
|
||
|
|
use GuzzleHttp\Promise\FulfilledPromise;
|
||
|
|
use GuzzleHttp\Promise\RejectedPromise;
|
||
|
|
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
|
||
|
|
{
|
||
|
|
/** @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 ( $this->handles != null && count($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);
|
||
|
|
$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),
|
||
|
|
] + curl_getinfo($easy->handle);
|
||
|
|
$factory->release($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 new RejectedPromise(
|
||
|
|
new RequestException(
|
||
|
|
'An error was encountered during the on_headers event',
|
||
|
|
$easy->request,
|
||
|
|
$easy->response,
|
||
|
|
$easy->onHeadersException,
|
||
|
|
$ctx
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$message = sprintf(
|
||
|
|
'cURL error %s: %s (%s)',
|
||
|
|
$ctx['errno'],
|
||
|
|
$ctx['error'],
|
||
|
|
'see http://curl.haxx.se/libcurl/c/libcurl-errors.html'
|
||
|
|
);
|
||
|
|
|
||
|
|
// 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, $ctx);
|
||
|
|
|
||
|
|
return new RejectedPromise($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) {
|
||
|
|
$conf[CURLOPT_HTTPHEADER][] = "$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'])) {
|
||
|
|
$conf[CURLOPT_CAINFO] = $options['verify'];
|
||
|
|
if (!file_exists($options['verify'])) {
|
||
|
|
throw new \InvalidArgumentException(
|
||
|
|
"SSL CA bundle not found: {$options['verify']}"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($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]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($options['timeout'])) {
|
||
|
|
$conf[CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($options['connect_timeout'])) {
|
||
|
|
$conf[CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($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'])) {
|
||
|
|
$sslKey = $options['ssl_key'];
|
||
|
|
if (is_array($sslKey)) {
|
||
|
|
$conf[CURLOPT_SSLKEYPASSWD] = $sslKey[1];
|
||
|
|
$sslKey = $sslKey[0];
|
||
|
|
}
|
||
|
|
if (!file_exists($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);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|