| 1 |
<?php |
| 2 |
namespace GuzzleHttp\Handler; |
| 3 |
|
| 4 |
use GuzzleHttp\Exception\ConnectException; |
| 5 |
use GuzzleHttp\Exception\RequestException; |
| 6 |
use GuzzleHttp\Promise\FulfilledPromise; |
| 7 |
use GuzzleHttp\Psr7; |
| 8 |
use GuzzleHttp\Psr7\LazyOpenStream; |
| 9 |
use GuzzleHttp\TransferStats; |
| 10 |
use Psr\Http\Message\RequestInterface; |
| 11 |
|
| 12 |
/** |
| 13 |
* Creates curl resources from a request |
| 14 |
*/ |
| 15 |
class CurlFactory implements CurlFactoryInterface |
| 16 |
{ |
| 17 |
const CURL_VERSION_STR = 'curl_version'; |
| 18 |
const LOW_CURL_VERSION_NUMBER = '7.21.2'; |
| 19 |
|
| 20 |
/** @var array */ |
| 21 |
private $handles = []; |
| 22 |
|
| 23 |
/** @var int Total number of idle handles to keep in cache */ |
| 24 |
private $maxHandles; |
| 25 |
|
| 26 |
/** |
| 27 |
* @param int $maxHandles Maximum number of idle handles. |
| 28 |
*/ |
| 29 |
public function __construct($maxHandles) |
| 30 |
{ |
| 31 |
$this->maxHandles = $maxHandles; |
| 32 |
} |
| 33 |
|
| 34 |
public function create(RequestInterface $request, array $options) |
| 35 |
{ |
| 36 |
if (isset($options['curl']['body_as_string'])) { |
| 37 |
$options['_body_as_string'] = $options['curl']['body_as_string']; |
| 38 |
unset($options['curl']['body_as_string']); |
| 39 |
} |
| 40 |
|
| 41 |
$easy = new EasyHandle; |
| 42 |
$easy->request = $request; |
| 43 |
$easy->options = $options; |
| 44 |
$conf = $this->getDefaultConf($easy); |
| 45 |
$this->applyMethod($easy, $conf); |
| 46 |
$this->applyHandlerOptions($easy, $conf); |
| 47 |
$this->applyHeaders($easy, $conf); |
| 48 |
unset($conf['_headers']); |
| 49 |
|
| 50 |
// Add handler options from the request configuration options |
| 51 |
if (isset($options['curl'])) { |
| 52 |
$conf = array_replace($conf, $options['curl']); |
| 53 |
} |
| 54 |
|
| 55 |
$conf[CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy); |
| 56 |
$easy->handle = $this->handles |
| 57 |
? array_pop($this->handles) |
| 58 |
: curl_init(); |
| 59 |
curl_setopt_array($easy->handle, $conf); |
| 60 |
|
| 61 |
return $easy; |
| 62 |
} |
| 63 |
|
| 64 |
public function release(EasyHandle $easy) |
| 65 |
{ |
| 66 |
$resource = $easy->handle; |
| 67 |
unset($easy->handle); |
| 68 |
|
| 69 |
if (count($this->handles) >= $this->maxHandles) { |
| 70 |
curl_close($resource); |
| 71 |
} else { |
| 72 |
// Remove all callback functions as they can hold onto references |
| 73 |
// and are not cleaned up by curl_reset. Using curl_setopt_array |
| 74 |
// does not work for some reason, so removing each one |
| 75 |
// individually. |
| 76 |
curl_setopt($resource, CURLOPT_HEADERFUNCTION, null); |
| 77 |
curl_setopt($resource, CURLOPT_READFUNCTION, null); |
| 78 |
curl_setopt($resource, CURLOPT_WRITEFUNCTION, null); |
| 79 |
curl_setopt($resource, CURLOPT_PROGRESSFUNCTION, null); |
| 80 |
curl_reset($resource); |
| 81 |
$this->handles[] = $resource; |
| 82 |
} |
| 83 |
} |
| 84 |
|
| 85 |
/** |
| 86 |
* Completes a cURL transaction, either returning a response promise or a |
| 87 |
* rejected promise. |
| 88 |
* |
| 89 |
* @param callable $handler |
| 90 |
* @param EasyHandle $easy |
| 91 |
* @param CurlFactoryInterface $factory Dictates how the handle is released |
| 92 |
* |
| 93 |
* @return \GuzzleHttp\Promise\PromiseInterface |
| 94 |
*/ |
| 95 |
public static function finish( |
| 96 |
callable $handler, |
| 97 |
EasyHandle $easy, |
| 98 |
CurlFactoryInterface $factory |
| 99 |
) { |
| 100 |
if (isset($easy->options['on_stats'])) { |
| 101 |
self::invokeStats($easy); |
| 102 |
} |
| 103 |
|
| 104 |
if (!$easy->response || $easy->errno) { |
| 105 |
return self::finishError($handler, $easy, $factory); |
| 106 |
} |
| 107 |
|
| 108 |
// Return the response if it is present and there is no error. |
| 109 |
$factory->release($easy); |
| 110 |
|
| 111 |
// Rewind the body of the response if possible. |
| 112 |
$body = $easy->response->getBody(); |
| 113 |
if ($body->isSeekable()) { |
| 114 |
$body->rewind(); |
| 115 |
} |
| 116 |
|
| 117 |
return new FulfilledPromise($easy->response); |
| 118 |
} |
| 119 |
|
| 120 |
private static function invokeStats(EasyHandle $easy) |
| 121 |
{ |
| 122 |
$curlStats = curl_getinfo($easy->handle); |
| 123 |
$curlStats['appconnect_time'] = curl_getinfo($easy->handle, CURLINFO_APPCONNECT_TIME); |
| 124 |
$stats = new TransferStats( |
| 125 |
$easy->request, |
| 126 |
$easy->response, |
| 127 |
$curlStats['total_time'], |
| 128 |
$easy->errno, |
| 129 |
$curlStats |
| 130 |
); |
| 131 |
call_user_func($easy->options['on_stats'], $stats); |
| 132 |
} |
| 133 |
|
| 134 |
private static function finishError( |
| 135 |
callable $handler, |
| 136 |
EasyHandle $easy, |
| 137 |
CurlFactoryInterface $factory |
| 138 |
) { |
| 139 |
// Get error information and release the handle to the factory. |
| 140 |
$ctx = [ |
| 141 |
'errno' => $easy->errno, |
| 142 |
'error' => curl_error($easy->handle), |
| 143 |
'appconnect_time' => curl_getinfo($easy->handle, CURLINFO_APPCONNECT_TIME), |
| 144 |
] + curl_getinfo($easy->handle); |
| 145 |
$ctx[self::CURL_VERSION_STR] = curl_version()['version']; |
| 146 |
$factory->release($easy); |
| 147 |
|
| 148 |
// Retry when nothing is present or when curl failed to rewind. |
| 149 |
if (empty($easy->options['_err_message']) |
| 150 |
&& (!$easy->errno || $easy->errno == 65) |
| 151 |
) { |
| 152 |
return self::retryFailedRewind($handler, $easy, $ctx); |
| 153 |
} |
| 154 |
|
| 155 |
return self::createRejection($easy, $ctx); |
| 156 |
} |
| 157 |
|
| 158 |
private static function createRejection(EasyHandle $easy, array $ctx) |
| 159 |
{ |
| 160 |
static $connectionErrors = [ |
| 161 |
CURLE_OPERATION_TIMEOUTED => true, |
| 162 |
CURLE_COULDNT_RESOLVE_HOST => true, |
| 163 |
CURLE_COULDNT_CONNECT => true, |
| 164 |
CURLE_SSL_CONNECT_ERROR => true, |
| 165 |
CURLE_GOT_NOTHING => true, |
| 166 |
]; |
| 167 |
|
| 168 |
// If an exception was encountered during the onHeaders event, then |
| 169 |
// return a rejected promise that wraps that exception. |
| 170 |
if ($easy->onHeadersException) { |
| 171 |
return \GuzzleHttp\Promise\rejection_for( |
| 172 |
new RequestException( |
| 173 |
'An error was encountered during the on_headers event', |
| 174 |
$easy->request, |
| 175 |
$easy->response, |
| 176 |
$easy->onHeadersException, |
| 177 |
$ctx |
| 178 |
) |
| 179 |
); |
| 180 |
} |
| 181 |
if (version_compare($ctx[self::CURL_VERSION_STR], self::LOW_CURL_VERSION_NUMBER)) { |
| 182 |
$message = sprintf( |
| 183 |
'cURL error %s: %s (%s)', |
| 184 |
$ctx['errno'], |
| 185 |
$ctx['error'], |
| 186 |
'see https://curl.haxx.se/libcurl/c/libcurl-errors.html' |
| 187 |
); |
| 188 |
} else { |
| 189 |
$message = sprintf( |
| 190 |
'cURL error %s: %s (%s) for %s', |
| 191 |
$ctx['errno'], |
| 192 |
$ctx['error'], |
| 193 |
'see https://curl.haxx.se/libcurl/c/libcurl-errors.html', |
| 194 |
$easy->request->getUri() |
| 195 |
); |
| 196 |
} |
| 197 |
|
| 198 |
// Create a connection exception if it was a specific error code. |
| 199 |
$error = isset($connectionErrors[$easy->errno]) |
| 200 |
? new ConnectException($message, $easy->request, null, $ctx) |
| 201 |
: new RequestException($message, $easy->request, $easy->response, null, $ctx); |
| 202 |
|
| 203 |
return \GuzzleHttp\Promise\rejection_for($error); |
| 204 |
} |
| 205 |
|
| 206 |
private function getDefaultConf(EasyHandle $easy) |
| 207 |
{ |
| 208 |
$conf = [ |
| 209 |
'_headers' => $easy->request->getHeaders(), |
| 210 |
CURLOPT_CUSTOMREQUEST => $easy->request->getMethod(), |
| 211 |
CURLOPT_URL => (string) $easy->request->getUri()->withFragment(''), |
| 212 |
CURLOPT_RETURNTRANSFER => false, |
| 213 |
CURLOPT_HEADER => false, |
| 214 |
CURLOPT_CONNECTTIMEOUT => 150, |
| 215 |
]; |
| 216 |
|
| 217 |
if (defined('CURLOPT_PROTOCOLS')) { |
| 218 |
$conf[CURLOPT_PROTOCOLS] = CURLPROTO_HTTP | CURLPROTO_HTTPS; |
| 219 |
} |
| 220 |
|
| 221 |
$version = $easy->request->getProtocolVersion(); |
| 222 |
if ($version == 1.1) { |
| 223 |
$conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1; |
| 224 |
} elseif ($version == 2.0) { |
| 225 |
$conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_2_0; |
| 226 |
} else { |
| 227 |
$conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0; |
| 228 |
} |
| 229 |
|
| 230 |
return $conf; |
| 231 |
} |
| 232 |
|
| 233 |
private function applyMethod(EasyHandle $easy, array &$conf) |
| 234 |
{ |
| 235 |
$body = $easy->request->getBody(); |
| 236 |
$size = $body->getSize(); |
| 237 |
|
| 238 |
if ($size === null || $size > 0) { |
| 239 |
$this->applyBody($easy->request, $easy->options, $conf); |
| 240 |
return; |
| 241 |
} |
| 242 |
|
| 243 |
$method = $easy->request->getMethod(); |
| 244 |
if ($method === 'PUT' || $method === 'POST') { |
| 245 |
// See http://tools.ietf.org/html/rfc7230#section-3.3.2 |
| 246 |
if (!$easy->request->hasHeader('Content-Length')) { |
| 247 |
$conf[CURLOPT_HTTPHEADER][] = 'Content-Length: 0'; |
| 248 |
} |
| 249 |
} elseif ($method === 'HEAD') { |
| 250 |
$conf[CURLOPT_NOBODY] = true; |
| 251 |
unset( |
| 252 |
$conf[CURLOPT_WRITEFUNCTION], |
| 253 |
$conf[CURLOPT_READFUNCTION], |
| 254 |
$conf[CURLOPT_FILE], |
| 255 |
$conf[CURLOPT_INFILE] |
| 256 |
); |
| 257 |
} |
| 258 |
} |
| 259 |
|
| 260 |
private function applyBody(RequestInterface $request, array $options, array &$conf) |
| 261 |
{ |
| 262 |
$size = $request->hasHeader('Content-Length') |
| 263 |
? (int) $request->getHeaderLine('Content-Length') |
| 264 |
: null; |
| 265 |
|
| 266 |
// Send the body as a string if the size is less than 1MB OR if the |
| 267 |
// [curl][body_as_string] request value is set. |
| 268 |
if (($size !== null && $size < 1000000) || |
| 269 |
!empty($options['_body_as_string']) |
| 270 |
) { |
| 271 |
$conf[CURLOPT_POSTFIELDS] = (string) $request->getBody(); |
| 272 |
// Don't duplicate the Content-Length header |
| 273 |
$this->removeHeader('Content-Length', $conf); |
| 274 |
$this->removeHeader('Transfer-Encoding', $conf); |
| 275 |
} else { |
| 276 |
$conf[CURLOPT_UPLOAD] = true; |
| 277 |
if ($size !== null) { |
| 278 |
$conf[CURLOPT_INFILESIZE] = $size; |
| 279 |
$this->removeHeader('Content-Length', $conf); |
| 280 |
} |
| 281 |
$body = $request->getBody(); |
| 282 |
if ($body->isSeekable()) { |
| 283 |
$body->rewind(); |
| 284 |
} |
| 285 |
$conf[CURLOPT_READFUNCTION] = function ($ch, $fd, $length) use ($body) { |
| 286 |
return $body->read($length); |
| 287 |
}; |
| 288 |
} |
| 289 |
|
| 290 |
// If the Expect header is not present, prevent curl from adding it |
| 291 |
if (!$request->hasHeader('Expect')) { |
| 292 |
$conf[CURLOPT_HTTPHEADER][] = 'Expect:'; |
| 293 |
} |
| 294 |
|
| 295 |
// cURL sometimes adds a content-type by default. Prevent this. |
| 296 |
if (!$request->hasHeader('Content-Type')) { |
| 297 |
$conf[CURLOPT_HTTPHEADER][] = 'Content-Type:'; |
| 298 |
} |
| 299 |
} |
| 300 |
|
| 301 |
private function applyHeaders(EasyHandle $easy, array &$conf) |
| 302 |
{ |
| 303 |
foreach ($conf['_headers'] as $name => $values) { |
| 304 |
foreach ($values as $value) { |
| 305 |
$value = (string) $value; |
| 306 |
if ($value === '') { |
| 307 |
// cURL requires a special format for empty headers. |
| 308 |
// See https://github.com/guzzle/guzzle/issues/1882 for more details. |
| 309 |
$conf[CURLOPT_HTTPHEADER][] = "$name;"; |
| 310 |
} else { |
| 311 |
$conf[CURLOPT_HTTPHEADER][] = "$name: $value"; |
| 312 |
} |
| 313 |
} |
| 314 |
} |
| 315 |
|
| 316 |
// Remove the Accept header if one was not set |
| 317 |
if (!$easy->request->hasHeader('Accept')) { |
| 318 |
$conf[CURLOPT_HTTPHEADER][] = 'Accept:'; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
/** |
| 323 |
* Remove a header from the options array. |
| 324 |
* |
| 325 |
* @param string $name Case-insensitive header to remove |
| 326 |
* @param array $options Array of options to modify |
| 327 |
*/ |
| 328 |
private function removeHeader($name, array &$options) |
| 329 |
{ |
| 330 |
foreach (array_keys($options['_headers']) as $key) { |
| 331 |
if (!strcasecmp($key, $name)) { |
| 332 |
unset($options['_headers'][$key]); |
| 333 |
return; |
| 334 |
} |
| 335 |
} |
| 336 |
} |
| 337 |
|
| 338 |
private function applyHandlerOptions(EasyHandle $easy, array &$conf) |
| 339 |
{ |
| 340 |
$options = $easy->options; |
| 341 |
if (isset($options['verify'])) { |
| 342 |
if ($options['verify'] === false) { |
| 343 |
unset($conf[CURLOPT_CAINFO]); |
| 344 |
$conf[CURLOPT_SSL_VERIFYHOST] = 0; |
| 345 |
$conf[CURLOPT_SSL_VERIFYPEER] = false; |
| 346 |
} else { |
| 347 |
$conf[CURLOPT_SSL_VERIFYHOST] = 2; |
| 348 |
$conf[CURLOPT_SSL_VERIFYPEER] = true; |
| 349 |
if (is_string($options['verify'])) { |
| 350 |
// Throw an error if the file/folder/link path is not valid or doesn't exist. |
| 351 |
if (!file_exists($options['verify'])) { |
| 352 |
throw new \InvalidArgumentException( |
| 353 |
"SSL CA bundle not found: {$options['verify']}" |
| 354 |
); |
| 355 |
} |
| 356 |
// If it's a directory or a link to a directory use CURLOPT_CAPATH. |
| 357 |
// If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO. |
| 358 |
if (is_dir($options['verify']) || |
| 359 |
(is_link($options['verify']) && is_dir(readlink($options['verify'])))) { |
| 360 |
$conf[CURLOPT_CAPATH] = $options['verify']; |
| 361 |
} else { |
| 362 |
$conf[CURLOPT_CAINFO] = $options['verify']; |
| 363 |
} |
| 364 |
} |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
if (!empty($options['decode_content'])) { |
| 369 |
$accept = $easy->request->getHeaderLine('Accept-Encoding'); |
| 370 |
if ($accept) { |
| 371 |
$conf[CURLOPT_ENCODING] = $accept; |
| 372 |
} else { |
| 373 |
$conf[CURLOPT_ENCODING] = ''; |
| 374 |
// Don't let curl send the header over the wire |
| 375 |
$conf[CURLOPT_HTTPHEADER][] = 'Accept-Encoding:'; |
| 376 |
} |
| 377 |
} |
| 378 |
|
| 379 |
if (isset($options['sink'])) { |
| 380 |
$sink = $options['sink']; |
| 381 |
if (!is_string($sink)) { |
| 382 |
$sink = \GuzzleHttp\Psr7\stream_for($sink); |
| 383 |
} elseif (!is_dir(dirname($sink))) { |
| 384 |
// Ensure that the directory exists before failing in curl. |
| 385 |
throw new \RuntimeException(sprintf( |
| 386 |
'Directory %s does not exist for sink value of %s', |
| 387 |
dirname($sink), |
| 388 |
$sink |
| 389 |
)); |
| 390 |
} else { |
| 391 |
$sink = new LazyOpenStream($sink, 'w+'); |
| 392 |
} |
| 393 |
$easy->sink = $sink; |
| 394 |
$conf[CURLOPT_WRITEFUNCTION] = function ($ch, $write) use ($sink) { |
| 395 |
return $sink->write($write); |
| 396 |
}; |
| 397 |
} else { |
| 398 |
// Use a default temp stream if no sink was set. |
| 399 |
$conf[CURLOPT_FILE] = fopen('php://temp', 'w+'); |
| 400 |
$easy->sink = Psr7\stream_for($conf[CURLOPT_FILE]); |
| 401 |
} |
| 402 |
$timeoutRequiresNoSignal = false; |
| 403 |
if (isset($options['timeout'])) { |
| 404 |
$timeoutRequiresNoSignal |= $options['timeout'] < 1; |
| 405 |
$conf[CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000; |
| 406 |
} |
| 407 |
|
| 408 |
// CURL default value is CURL_IPRESOLVE_WHATEVER |
| 409 |
if (isset($options['force_ip_resolve'])) { |
| 410 |
if ('v4' === $options['force_ip_resolve']) { |
| 411 |
$conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4; |
| 412 |
} elseif ('v6' === $options['force_ip_resolve']) { |
| 413 |
$conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V6; |
| 414 |
} |
| 415 |
} |
| 416 |
|
| 417 |
if (isset($options['connect_timeout'])) { |
| 418 |
$timeoutRequiresNoSignal |= $options['connect_timeout'] < 1; |
| 419 |
$conf[CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000; |
| 420 |
} |
| 421 |
|
| 422 |
if ($timeoutRequiresNoSignal && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
| 423 |
$conf[CURLOPT_NOSIGNAL] = true; |
| 424 |
} |
| 425 |
|
| 426 |
if (isset($options['proxy'])) { |
| 427 |
if (!is_array($options['proxy'])) { |
| 428 |
$conf[CURLOPT_PROXY] = $options['proxy']; |
| 429 |
} else { |
| 430 |
$scheme = $easy->request->getUri()->getScheme(); |
| 431 |
if (isset($options['proxy'][$scheme])) { |
| 432 |
$host = $easy->request->getUri()->getHost(); |
| 433 |
if (!isset($options['proxy']['no']) || |
| 434 |
!\GuzzleHttp\is_host_in_noproxy($host, $options['proxy']['no']) |
| 435 |
) { |
| 436 |
$conf[CURLOPT_PROXY] = $options['proxy'][$scheme]; |
| 437 |
} |
| 438 |
} |
| 439 |
} |
| 440 |
} |
| 441 |
|
| 442 |
if (isset($options['cert'])) { |
| 443 |
$cert = $options['cert']; |
| 444 |
if (is_array($cert)) { |
| 445 |
$conf[CURLOPT_SSLCERTPASSWD] = $cert[1]; |
| 446 |
$cert = $cert[0]; |
| 447 |
} |
| 448 |
if (!file_exists($cert)) { |
| 449 |
throw new \InvalidArgumentException( |
| 450 |
"SSL certificate not found: {$cert}" |
| 451 |
); |
| 452 |
} |
| 453 |
$conf[CURLOPT_SSLCERT] = $cert; |
| 454 |
} |
| 455 |
|
| 456 |
if (isset($options['ssl_key'])) { |
| 457 |
if (is_array($options['ssl_key'])) { |
| 458 |
if (count($options['ssl_key']) === 2) { |
| 459 |
list($sslKey, $conf[CURLOPT_SSLKEYPASSWD]) = $options['ssl_key']; |
| 460 |
} else { |
| 461 |
list($sslKey) = $options['ssl_key']; |
| 462 |
} |
| 463 |
} |
| 464 |
|
| 465 |
$sslKey = isset($sslKey) ? $sslKey: $options['ssl_key']; |
| 466 |
|
| 467 |
if (!file_exists($sslKey)) { |
| 468 |
throw new \InvalidArgumentException( |
| 469 |
"SSL private key not found: {$sslKey}" |
| 470 |
); |
| 471 |
} |
| 472 |
$conf[CURLOPT_SSLKEY] = $sslKey; |
| 473 |
} |
| 474 |
|
| 475 |
if (isset($options['progress'])) { |
| 476 |
$progress = $options['progress']; |
| 477 |
if (!is_callable($progress)) { |
| 478 |
throw new \InvalidArgumentException( |
| 479 |
'progress client option must be callable' |
| 480 |
); |
| 481 |
} |
| 482 |
$conf[CURLOPT_NOPROGRESS] = false; |
| 483 |
$conf[CURLOPT_PROGRESSFUNCTION] = function () use ($progress) { |
| 484 |
$args = func_get_args(); |
| 485 |
// PHP 5.5 pushed the handle onto the start of the args |
| 486 |
if (is_resource($args[0])) { |
| 487 |
array_shift($args); |
| 488 |
} |
| 489 |
call_user_func_array($progress, $args); |
| 490 |
}; |
| 491 |
} |
| 492 |
|
| 493 |
if (!empty($options['debug'])) { |
| 494 |
$conf[CURLOPT_STDERR] = \GuzzleHttp\debug_resource($options['debug']); |
| 495 |
$conf[CURLOPT_VERBOSE] = true; |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
/** |
| 500 |
* This function ensures that a response was set on a transaction. If one |
| 501 |
* was not set, then the request is retried if possible. This error |
| 502 |
* typically means you are sending a payload, curl encountered a |
| 503 |
* "Connection died, retrying a fresh connect" error, tried to rewind the |
| 504 |
* stream, and then encountered a "necessary data rewind wasn't possible" |
| 505 |
* error, causing the request to be sent through curl_multi_info_read() |
| 506 |
* without an error status. |
| 507 |
*/ |
| 508 |
private static function retryFailedRewind( |
| 509 |
callable $handler, |
| 510 |
EasyHandle $easy, |
| 511 |
array $ctx |
| 512 |
) { |
| 513 |
try { |
| 514 |
// Only rewind if the body has been read from. |
| 515 |
$body = $easy->request->getBody(); |
| 516 |
if ($body->tell() > 0) { |
| 517 |
$body->rewind(); |
| 518 |
} |
| 519 |
} catch (\RuntimeException $e) { |
| 520 |
$ctx['error'] = 'The connection unexpectedly failed without ' |
| 521 |
. 'providing an error. The request would have been retried, ' |
| 522 |
. 'but attempting to rewind the request body failed. ' |
| 523 |
. 'Exception: ' . $e; |
| 524 |
return self::createRejection($easy, $ctx); |
| 525 |
} |
| 526 |
|
| 527 |
// Retry no more than 3 times before giving up. |
| 528 |
if (!isset($easy->options['_curl_retries'])) { |
| 529 |
$easy->options['_curl_retries'] = 1; |
| 530 |
} elseif ($easy->options['_curl_retries'] == 2) { |
| 531 |
$ctx['error'] = 'The cURL request was retried 3 times ' |
| 532 |
. 'and did not succeed. The most likely reason for the failure ' |
| 533 |
. 'is that cURL was unable to rewind the body of the request ' |
| 534 |
. 'and subsequent retries resulted in the same error. Turn on ' |
| 535 |
. 'the debug option to see what went wrong. See ' |
| 536 |
. 'https://bugs.php.net/bug.php?id=47204 for more information.'; |
| 537 |
return self::createRejection($easy, $ctx); |
| 538 |
} else { |
| 539 |
$easy->options['_curl_retries']++; |
| 540 |
} |
| 541 |
|
| 542 |
return $handler($easy->request, $easy->options); |
| 543 |
} |
| 544 |
|
| 545 |
private function createHeaderFn(EasyHandle $easy) |
| 546 |
{ |
| 547 |
if (isset($easy->options['on_headers'])) { |
| 548 |
$onHeaders = $easy->options['on_headers']; |
| 549 |
|
| 550 |
if (!is_callable($onHeaders)) { |
| 551 |
throw new \InvalidArgumentException('on_headers must be callable'); |
| 552 |
} |
| 553 |
} else { |
| 554 |
$onHeaders = null; |
| 555 |
} |
| 556 |
|
| 557 |
return function ($ch, $h) use ( |
| 558 |
$onHeaders, |
| 559 |
$easy, |
| 560 |
&$startingResponse |
| 561 |
) { |
| 562 |
$value = trim($h); |
| 563 |
if ($value === '') { |
| 564 |
$startingResponse = true; |
| 565 |
$easy->createResponse(); |
| 566 |
if ($onHeaders !== null) { |
| 567 |
try { |
| 568 |
$onHeaders($easy->response); |
| 569 |
} catch (\Exception $e) { |
| 570 |
// Associate the exception with the handle and trigger |
| 571 |
// a curl header write error by returning 0. |
| 572 |
$easy->onHeadersException = $e; |
| 573 |
return -1; |
| 574 |
} |
| 575 |
} |
| 576 |
} elseif ($startingResponse) { |
| 577 |
$startingResponse = false; |
| 578 |
$easy->headers = [$value]; |
| 579 |
} else { |
| 580 |
$easy->headers[] = $value; |
| 581 |
} |
| 582 |
return strlen($h); |
| 583 |
}; |
| 584 |
} |
| 585 |
} |
| 586 |
|
