googleanalytics
/
lib
/
analytics-admin
/
vendor
/
guzzlehttp
/
guzzle
/
src
/
Handler
/
CurlFactory.php
googleanalytics
/
lib
/
analytics-admin
/
vendor
/
guzzlehttp
/
guzzle
/
src
/
Handler
Last commit date
CurlFactory.php
3 years ago
CurlFactoryInterface.php
3 years ago
CurlHandler.php
3 years ago
CurlMultiHandler.php
2 years ago
EasyHandle.php
3 years ago
HeaderProcessor.php
3 years ago
MockHandler.php
3 years ago
Proxy.php
3 years ago
StreamHandler.php
3 years ago
CurlFactory.php
596 lines
| 1 | <?php |
| 2 | |
| 3 | namespace GuzzleHttp\Handler; |
| 4 | |
| 5 | use GuzzleHttp\Exception\ConnectException; |
| 6 | use GuzzleHttp\Exception\RequestException; |
| 7 | use GuzzleHttp\Promise as P; |
| 8 | use GuzzleHttp\Promise\FulfilledPromise; |
| 9 | use GuzzleHttp\Promise\PromiseInterface; |
| 10 | use GuzzleHttp\Psr7\LazyOpenStream; |
| 11 | use GuzzleHttp\TransferStats; |
| 12 | use GuzzleHttp\Utils; |
| 13 | use Psr\Http\Message\RequestInterface; |
| 14 | |
| 15 | /** |
| 16 | * Creates curl resources from a request |
| 17 | * |
| 18 | * @final |
| 19 | */ |
| 20 | class CurlFactory implements CurlFactoryInterface |
| 21 | { |
| 22 | public const CURL_VERSION_STR = 'curl_version'; |
| 23 | |
| 24 | /** |
| 25 | * @deprecated |
| 26 | */ |
| 27 | public const LOW_CURL_VERSION_NUMBER = '7.21.2'; |
| 28 | |
| 29 | /** |
| 30 | * @var resource[]|\CurlHandle[] |
| 31 | */ |
| 32 | private $handles = []; |
| 33 | |
| 34 | /** |
| 35 | * @var int Total number of idle handles to keep in cache |
| 36 | */ |
| 37 | private $maxHandles; |
| 38 | |
| 39 | /** |
| 40 | * @param int $maxHandles Maximum number of idle handles. |
| 41 | */ |
| 42 | public function __construct(int $maxHandles) |
| 43 | { |
| 44 | $this->maxHandles = $maxHandles; |
| 45 | } |
| 46 | |
| 47 | public function create(RequestInterface $request, array $options): EasyHandle |
| 48 | { |
| 49 | if (isset($options['curl']['body_as_string'])) { |
| 50 | $options['_body_as_string'] = $options['curl']['body_as_string']; |
| 51 | unset($options['curl']['body_as_string']); |
| 52 | } |
| 53 | |
| 54 | $easy = new EasyHandle; |
| 55 | $easy->request = $request; |
| 56 | $easy->options = $options; |
| 57 | $conf = $this->getDefaultConf($easy); |
| 58 | $this->applyMethod($easy, $conf); |
| 59 | $this->applyHandlerOptions($easy, $conf); |
| 60 | $this->applyHeaders($easy, $conf); |
| 61 | unset($conf['_headers']); |
| 62 | |
| 63 | // Add handler options from the request configuration options |
| 64 | if (isset($options['curl'])) { |
| 65 | $conf = \array_replace($conf, $options['curl']); |
| 66 | } |
| 67 | |
| 68 | $conf[\CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy); |
| 69 | $easy->handle = $this->handles ? \array_pop($this->handles) : \curl_init(); |
| 70 | curl_setopt_array($easy->handle, $conf); |
| 71 | |
| 72 | return $easy; |
| 73 | } |
| 74 | |
| 75 | public function release(EasyHandle $easy): void |
| 76 | { |
| 77 | $resource = $easy->handle; |
| 78 | unset($easy->handle); |
| 79 | |
| 80 | if (\count($this->handles) >= $this->maxHandles) { |
| 81 | \curl_close($resource); |
| 82 | } else { |
| 83 | // Remove all callback functions as they can hold onto references |
| 84 | // and are not cleaned up by curl_reset. Using curl_setopt_array |
| 85 | // does not work for some reason, so removing each one |
| 86 | // individually. |
| 87 | \curl_setopt($resource, \CURLOPT_HEADERFUNCTION, null); |
| 88 | \curl_setopt($resource, \CURLOPT_READFUNCTION, null); |
| 89 | \curl_setopt($resource, \CURLOPT_WRITEFUNCTION, null); |
| 90 | \curl_setopt($resource, \CURLOPT_PROGRESSFUNCTION, null); |
| 91 | \curl_reset($resource); |
| 92 | $this->handles[] = $resource; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Completes a cURL transaction, either returning a response promise or a |
| 98 | * rejected promise. |
| 99 | * |
| 100 | * @param callable(RequestInterface, array): PromiseInterface $handler |
| 101 | * @param CurlFactoryInterface $factory Dictates how the handle is released |
| 102 | */ |
| 103 | public static function finish(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory): PromiseInterface |
| 104 | { |
| 105 | if (isset($easy->options['on_stats'])) { |
| 106 | self::invokeStats($easy); |
| 107 | } |
| 108 | |
| 109 | if (!$easy->response || $easy->errno) { |
| 110 | return self::finishError($handler, $easy, $factory); |
| 111 | } |
| 112 | |
| 113 | // Return the response if it is present and there is no error. |
| 114 | $factory->release($easy); |
| 115 | |
| 116 | // Rewind the body of the response if possible. |
| 117 | $body = $easy->response->getBody(); |
| 118 | if ($body->isSeekable()) { |
| 119 | $body->rewind(); |
| 120 | } |
| 121 | |
| 122 | return new FulfilledPromise($easy->response); |
| 123 | } |
| 124 | |
| 125 | private static function invokeStats(EasyHandle $easy): void |
| 126 | { |
| 127 | $curlStats = \curl_getinfo($easy->handle); |
| 128 | $curlStats['appconnect_time'] = \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME); |
| 129 | $stats = new TransferStats( |
| 130 | $easy->request, |
| 131 | $easy->response, |
| 132 | $curlStats['total_time'], |
| 133 | $easy->errno, |
| 134 | $curlStats |
| 135 | ); |
| 136 | ($easy->options['on_stats'])($stats); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * @param callable(RequestInterface, array): PromiseInterface $handler |
| 141 | */ |
| 142 | private static function finishError(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory): PromiseInterface |
| 143 | { |
| 144 | // Get error information and release the handle to the factory. |
| 145 | $ctx = [ |
| 146 | 'errno' => $easy->errno, |
| 147 | 'error' => \curl_error($easy->handle), |
| 148 | 'appconnect_time' => \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME), |
| 149 | ] + \curl_getinfo($easy->handle); |
| 150 | $ctx[self::CURL_VERSION_STR] = \curl_version()['version']; |
| 151 | $factory->release($easy); |
| 152 | |
| 153 | // Retry when nothing is present or when curl failed to rewind. |
| 154 | if (empty($easy->options['_err_message']) && (!$easy->errno || $easy->errno == 65)) { |
| 155 | return self::retryFailedRewind($handler, $easy, $ctx); |
| 156 | } |
| 157 | |
| 158 | return self::createRejection($easy, $ctx); |
| 159 | } |
| 160 | |
| 161 | private static function createRejection(EasyHandle $easy, array $ctx): PromiseInterface |
| 162 | { |
| 163 | static $connectionErrors = [ |
| 164 | \CURLE_OPERATION_TIMEOUTED => true, |
| 165 | \CURLE_COULDNT_RESOLVE_HOST => true, |
| 166 | \CURLE_COULDNT_CONNECT => true, |
| 167 | \CURLE_SSL_CONNECT_ERROR => true, |
| 168 | \CURLE_GOT_NOTHING => true, |
| 169 | ]; |
| 170 | |
| 171 | if ($easy->createResponseException) { |
| 172 | return P\Create::rejectionFor( |
| 173 | new RequestException( |
| 174 | 'An error was encountered while creating the response', |
| 175 | $easy->request, |
| 176 | $easy->response, |
| 177 | $easy->createResponseException, |
| 178 | $ctx |
| 179 | ) |
| 180 | ); |
| 181 | } |
| 182 | |
| 183 | // If an exception was encountered during the onHeaders event, then |
| 184 | // return a rejected promise that wraps that exception. |
| 185 | if ($easy->onHeadersException) { |
| 186 | return P\Create::rejectionFor( |
| 187 | new RequestException( |
| 188 | 'An error was encountered during the on_headers event', |
| 189 | $easy->request, |
| 190 | $easy->response, |
| 191 | $easy->onHeadersException, |
| 192 | $ctx |
| 193 | ) |
| 194 | ); |
| 195 | } |
| 196 | |
| 197 | $message = \sprintf( |
| 198 | 'cURL error %s: %s (%s)', |
| 199 | $ctx['errno'], |
| 200 | $ctx['error'], |
| 201 | 'see https://curl.haxx.se/libcurl/c/libcurl-errors.html' |
| 202 | ); |
| 203 | $uriString = (string) $easy->request->getUri(); |
| 204 | if ($uriString !== '' && false === \strpos($ctx['error'], $uriString)) { |
| 205 | $message .= \sprintf(' for %s', $uriString); |
| 206 | } |
| 207 | |
| 208 | // Create a connection exception if it was a specific error code. |
| 209 | $error = isset($connectionErrors[$easy->errno]) |
| 210 | ? new ConnectException($message, $easy->request, null, $ctx) |
| 211 | : new RequestException($message, $easy->request, $easy->response, null, $ctx); |
| 212 | |
| 213 | return P\Create::rejectionFor($error); |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * @return array<int|string, mixed> |
| 218 | */ |
| 219 | private function getDefaultConf(EasyHandle $easy): array |
| 220 | { |
| 221 | $conf = [ |
| 222 | '_headers' => $easy->request->getHeaders(), |
| 223 | \CURLOPT_CUSTOMREQUEST => $easy->request->getMethod(), |
| 224 | \CURLOPT_URL => (string) $easy->request->getUri()->withFragment(''), |
| 225 | \CURLOPT_RETURNTRANSFER => false, |
| 226 | \CURLOPT_HEADER => false, |
| 227 | \CURLOPT_CONNECTTIMEOUT => 150, |
| 228 | ]; |
| 229 | |
| 230 | if (\defined('CURLOPT_PROTOCOLS')) { |
| 231 | $conf[\CURLOPT_PROTOCOLS] = \CURLPROTO_HTTP | \CURLPROTO_HTTPS; |
| 232 | } |
| 233 | |
| 234 | $version = $easy->request->getProtocolVersion(); |
| 235 | if ($version == 1.1) { |
| 236 | $conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_1; |
| 237 | } elseif ($version == 2.0) { |
| 238 | $conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_2_0; |
| 239 | } else { |
| 240 | $conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_0; |
| 241 | } |
| 242 | |
| 243 | return $conf; |
| 244 | } |
| 245 | |
| 246 | private function applyMethod(EasyHandle $easy, array &$conf): void |
| 247 | { |
| 248 | $body = $easy->request->getBody(); |
| 249 | $size = $body->getSize(); |
| 250 | |
| 251 | if ($size === null || $size > 0) { |
| 252 | $this->applyBody($easy->request, $easy->options, $conf); |
| 253 | return; |
| 254 | } |
| 255 | |
| 256 | $method = $easy->request->getMethod(); |
| 257 | if ($method === 'PUT' || $method === 'POST') { |
| 258 | // See https://tools.ietf.org/html/rfc7230#section-3.3.2 |
| 259 | if (!$easy->request->hasHeader('Content-Length')) { |
| 260 | $conf[\CURLOPT_HTTPHEADER][] = 'Content-Length: 0'; |
| 261 | } |
| 262 | } elseif ($method === 'HEAD') { |
| 263 | $conf[\CURLOPT_NOBODY] = true; |
| 264 | unset( |
| 265 | $conf[\CURLOPT_WRITEFUNCTION], |
| 266 | $conf[\CURLOPT_READFUNCTION], |
| 267 | $conf[\CURLOPT_FILE], |
| 268 | $conf[\CURLOPT_INFILE] |
| 269 | ); |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | private function applyBody(RequestInterface $request, array $options, array &$conf): void |
| 274 | { |
| 275 | $size = $request->hasHeader('Content-Length') |
| 276 | ? (int) $request->getHeaderLine('Content-Length') |
| 277 | : null; |
| 278 | |
| 279 | // Send the body as a string if the size is less than 1MB OR if the |
| 280 | // [curl][body_as_string] request value is set. |
| 281 | if (($size !== null && $size < 1000000) || !empty($options['_body_as_string'])) { |
| 282 | $conf[\CURLOPT_POSTFIELDS] = (string) $request->getBody(); |
| 283 | // Don't duplicate the Content-Length header |
| 284 | $this->removeHeader('Content-Length', $conf); |
| 285 | $this->removeHeader('Transfer-Encoding', $conf); |
| 286 | } else { |
| 287 | $conf[\CURLOPT_UPLOAD] = true; |
| 288 | if ($size !== null) { |
| 289 | $conf[\CURLOPT_INFILESIZE] = $size; |
| 290 | $this->removeHeader('Content-Length', $conf); |
| 291 | } |
| 292 | $body = $request->getBody(); |
| 293 | if ($body->isSeekable()) { |
| 294 | $body->rewind(); |
| 295 | } |
| 296 | $conf[\CURLOPT_READFUNCTION] = static function ($ch, $fd, $length) use ($body) { |
| 297 | return $body->read($length); |
| 298 | }; |
| 299 | } |
| 300 | |
| 301 | // If the Expect header is not present, prevent curl from adding it |
| 302 | if (!$request->hasHeader('Expect')) { |
| 303 | $conf[\CURLOPT_HTTPHEADER][] = 'Expect:'; |
| 304 | } |
| 305 | |
| 306 | // cURL sometimes adds a content-type by default. Prevent this. |
| 307 | if (!$request->hasHeader('Content-Type')) { |
| 308 | $conf[\CURLOPT_HTTPHEADER][] = 'Content-Type:'; |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | private function applyHeaders(EasyHandle $easy, array &$conf): void |
| 313 | { |
| 314 | foreach ($conf['_headers'] as $name => $values) { |
| 315 | foreach ($values as $value) { |
| 316 | $value = (string) $value; |
| 317 | if ($value === '') { |
| 318 | // cURL requires a special format for empty headers. |
| 319 | // See https://github.com/guzzle/guzzle/issues/1882 for more details. |
| 320 | $conf[\CURLOPT_HTTPHEADER][] = "$name;"; |
| 321 | } else { |
| 322 | $conf[\CURLOPT_HTTPHEADER][] = "$name: $value"; |
| 323 | } |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | // Remove the Accept header if one was not set |
| 328 | if (!$easy->request->hasHeader('Accept')) { |
| 329 | $conf[\CURLOPT_HTTPHEADER][] = 'Accept:'; |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Remove a header from the options array. |
| 335 | * |
| 336 | * @param string $name Case-insensitive header to remove |
| 337 | * @param array $options Array of options to modify |
| 338 | */ |
| 339 | private function removeHeader(string $name, array &$options): void |
| 340 | { |
| 341 | foreach (\array_keys($options['_headers']) as $key) { |
| 342 | if (!\strcasecmp($key, $name)) { |
| 343 | unset($options['_headers'][$key]); |
| 344 | return; |
| 345 | } |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | private function applyHandlerOptions(EasyHandle $easy, array &$conf): void |
| 350 | { |
| 351 | $options = $easy->options; |
| 352 | if (isset($options['verify'])) { |
| 353 | if ($options['verify'] === false) { |
| 354 | unset($conf[\CURLOPT_CAINFO]); |
| 355 | $conf[\CURLOPT_SSL_VERIFYHOST] = 0; |
| 356 | $conf[\CURLOPT_SSL_VERIFYPEER] = false; |
| 357 | } else { |
| 358 | $conf[\CURLOPT_SSL_VERIFYHOST] = 2; |
| 359 | $conf[\CURLOPT_SSL_VERIFYPEER] = true; |
| 360 | if (\is_string($options['verify'])) { |
| 361 | // Throw an error if the file/folder/link path is not valid or doesn't exist. |
| 362 | if (!\file_exists($options['verify'])) { |
| 363 | throw new \InvalidArgumentException("SSL CA bundle not found: {$options['verify']}"); |
| 364 | } |
| 365 | // If it's a directory or a link to a directory use CURLOPT_CAPATH. |
| 366 | // If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO. |
| 367 | if ( |
| 368 | \is_dir($options['verify']) || |
| 369 | ( |
| 370 | \is_link($options['verify']) === true && |
| 371 | ($verifyLink = \readlink($options['verify'])) !== false && |
| 372 | \is_dir($verifyLink) |
| 373 | ) |
| 374 | ) { |
| 375 | $conf[\CURLOPT_CAPATH] = $options['verify']; |
| 376 | } else { |
| 377 | $conf[\CURLOPT_CAINFO] = $options['verify']; |
| 378 | } |
| 379 | } |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | if (!isset($options['curl'][\CURLOPT_ENCODING]) && !empty($options['decode_content'])) { |
| 384 | $accept = $easy->request->getHeaderLine('Accept-Encoding'); |
| 385 | if ($accept) { |
| 386 | $conf[\CURLOPT_ENCODING] = $accept; |
| 387 | } else { |
| 388 | // The empty string enables all available decoders and implicitly |
| 389 | // sets a matching 'Accept-Encoding' header. |
| 390 | $conf[\CURLOPT_ENCODING] = ''; |
| 391 | // But as the user did not specify any acceptable encodings we need |
| 392 | // to overwrite this implicit header with an empty one. |
| 393 | $conf[\CURLOPT_HTTPHEADER][] = 'Accept-Encoding:'; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | if (!isset($options['sink'])) { |
| 398 | // Use a default temp stream if no sink was set. |
| 399 | $options['sink'] = \GuzzleHttp\Psr7\Utils::tryFopen('php://temp', 'w+'); |
| 400 | } |
| 401 | $sink = $options['sink']; |
| 402 | if (!\is_string($sink)) { |
| 403 | $sink = \GuzzleHttp\Psr7\Utils::streamFor($sink); |
| 404 | } elseif (!\is_dir(\dirname($sink))) { |
| 405 | // Ensure that the directory exists before failing in curl. |
| 406 | throw new \RuntimeException(\sprintf('Directory %s does not exist for sink value of %s', \dirname($sink), $sink)); |
| 407 | } else { |
| 408 | $sink = new LazyOpenStream($sink, 'w+'); |
| 409 | } |
| 410 | $easy->sink = $sink; |
| 411 | $conf[\CURLOPT_WRITEFUNCTION] = static function ($ch, $write) use ($sink): int { |
| 412 | return $sink->write($write); |
| 413 | }; |
| 414 | |
| 415 | $timeoutRequiresNoSignal = false; |
| 416 | if (isset($options['timeout'])) { |
| 417 | $timeoutRequiresNoSignal |= $options['timeout'] < 1; |
| 418 | $conf[\CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000; |
| 419 | } |
| 420 | |
| 421 | // CURL default value is CURL_IPRESOLVE_WHATEVER |
| 422 | if (isset($options['force_ip_resolve'])) { |
| 423 | if ('v4' === $options['force_ip_resolve']) { |
| 424 | $conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V4; |
| 425 | } elseif ('v6' === $options['force_ip_resolve']) { |
| 426 | $conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V6; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | if (isset($options['connect_timeout'])) { |
| 431 | $timeoutRequiresNoSignal |= $options['connect_timeout'] < 1; |
| 432 | $conf[\CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000; |
| 433 | } |
| 434 | |
| 435 | if ($timeoutRequiresNoSignal && \strtoupper(\substr(\PHP_OS, 0, 3)) !== 'WIN') { |
| 436 | $conf[\CURLOPT_NOSIGNAL] = true; |
| 437 | } |
| 438 | |
| 439 | if (isset($options['proxy'])) { |
| 440 | if (!\is_array($options['proxy'])) { |
| 441 | $conf[\CURLOPT_PROXY] = $options['proxy']; |
| 442 | } else { |
| 443 | $scheme = $easy->request->getUri()->getScheme(); |
| 444 | if (isset($options['proxy'][$scheme])) { |
| 445 | $host = $easy->request->getUri()->getHost(); |
| 446 | if (!isset($options['proxy']['no']) || !Utils::isHostInNoProxy($host, $options['proxy']['no'])) { |
| 447 | $conf[\CURLOPT_PROXY] = $options['proxy'][$scheme]; |
| 448 | } |
| 449 | } |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | if (isset($options['cert'])) { |
| 454 | $cert = $options['cert']; |
| 455 | if (\is_array($cert)) { |
| 456 | $conf[\CURLOPT_SSLCERTPASSWD] = $cert[1]; |
| 457 | $cert = $cert[0]; |
| 458 | } |
| 459 | if (!\file_exists($cert)) { |
| 460 | throw new \InvalidArgumentException("SSL certificate not found: {$cert}"); |
| 461 | } |
| 462 | # OpenSSL (versions 0.9.3 and later) also support "P12" for PKCS#12-encoded files. |
| 463 | # see https://curl.se/libcurl/c/CURLOPT_SSLCERTTYPE.html |
| 464 | $ext = pathinfo($cert, \PATHINFO_EXTENSION); |
| 465 | if (preg_match('#^(der|p12)$#i', $ext)) { |
| 466 | $conf[\CURLOPT_SSLCERTTYPE] = strtoupper($ext); |
| 467 | } |
| 468 | $conf[\CURLOPT_SSLCERT] = $cert; |
| 469 | } |
| 470 | |
| 471 | if (isset($options['ssl_key'])) { |
| 472 | if (\is_array($options['ssl_key'])) { |
| 473 | if (\count($options['ssl_key']) === 2) { |
| 474 | [$sslKey, $conf[\CURLOPT_SSLKEYPASSWD]] = $options['ssl_key']; |
| 475 | } else { |
| 476 | [$sslKey] = $options['ssl_key']; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | $sslKey = $sslKey ?? $options['ssl_key']; |
| 481 | |
| 482 | if (!\file_exists($sslKey)) { |
| 483 | throw new \InvalidArgumentException("SSL private key not found: {$sslKey}"); |
| 484 | } |
| 485 | $conf[\CURLOPT_SSLKEY] = $sslKey; |
| 486 | } |
| 487 | |
| 488 | if (isset($options['progress'])) { |
| 489 | $progress = $options['progress']; |
| 490 | if (!\is_callable($progress)) { |
| 491 | throw new \InvalidArgumentException('progress client option must be callable'); |
| 492 | } |
| 493 | $conf[\CURLOPT_NOPROGRESS] = false; |
| 494 | $conf[\CURLOPT_PROGRESSFUNCTION] = static function ($resource, int $downloadSize, int $downloaded, int $uploadSize, int $uploaded) use ($progress) { |
| 495 | $progress($downloadSize, $downloaded, $uploadSize, $uploaded); |
| 496 | }; |
| 497 | } |
| 498 | |
| 499 | if (!empty($options['debug'])) { |
| 500 | $conf[\CURLOPT_STDERR] = Utils::debugResource($options['debug']); |
| 501 | $conf[\CURLOPT_VERBOSE] = true; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * This function ensures that a response was set on a transaction. If one |
| 507 | * was not set, then the request is retried if possible. This error |
| 508 | * typically means you are sending a payload, curl encountered a |
| 509 | * "Connection died, retrying a fresh connect" error, tried to rewind the |
| 510 | * stream, and then encountered a "necessary data rewind wasn't possible" |
| 511 | * error, causing the request to be sent through curl_multi_info_read() |
| 512 | * without an error status. |
| 513 | * |
| 514 | * @param callable(RequestInterface, array): PromiseInterface $handler |
| 515 | */ |
| 516 | private static function retryFailedRewind(callable $handler, EasyHandle $easy, array $ctx): PromiseInterface |
| 517 | { |
| 518 | try { |
| 519 | // Only rewind if the body has been read from. |
| 520 | $body = $easy->request->getBody(); |
| 521 | if ($body->tell() > 0) { |
| 522 | $body->rewind(); |
| 523 | } |
| 524 | } catch (\RuntimeException $e) { |
| 525 | $ctx['error'] = 'The connection unexpectedly failed without ' |
| 526 | . 'providing an error. The request would have been retried, ' |
| 527 | . 'but attempting to rewind the request body failed. ' |
| 528 | . 'Exception: ' . $e; |
| 529 | return self::createRejection($easy, $ctx); |
| 530 | } |
| 531 | |
| 532 | // Retry no more than 3 times before giving up. |
| 533 | if (!isset($easy->options['_curl_retries'])) { |
| 534 | $easy->options['_curl_retries'] = 1; |
| 535 | } elseif ($easy->options['_curl_retries'] == 2) { |
| 536 | $ctx['error'] = 'The cURL request was retried 3 times ' |
| 537 | . 'and did not succeed. The most likely reason for the failure ' |
| 538 | . 'is that cURL was unable to rewind the body of the request ' |
| 539 | . 'and subsequent retries resulted in the same error. Turn on ' |
| 540 | . 'the debug option to see what went wrong. See ' |
| 541 | . 'https://bugs.php.net/bug.php?id=47204 for more information.'; |
| 542 | return self::createRejection($easy, $ctx); |
| 543 | } else { |
| 544 | $easy->options['_curl_retries']++; |
| 545 | } |
| 546 | |
| 547 | return $handler($easy->request, $easy->options); |
| 548 | } |
| 549 | |
| 550 | private function createHeaderFn(EasyHandle $easy): callable |
| 551 | { |
| 552 | if (isset($easy->options['on_headers'])) { |
| 553 | $onHeaders = $easy->options['on_headers']; |
| 554 | |
| 555 | if (!\is_callable($onHeaders)) { |
| 556 | throw new \InvalidArgumentException('on_headers must be callable'); |
| 557 | } |
| 558 | } else { |
| 559 | $onHeaders = null; |
| 560 | } |
| 561 | |
| 562 | return static function ($ch, $h) use ( |
| 563 | $onHeaders, |
| 564 | $easy, |
| 565 | &$startingResponse |
| 566 | ) { |
| 567 | $value = \trim($h); |
| 568 | if ($value === '') { |
| 569 | $startingResponse = true; |
| 570 | try { |
| 571 | $easy->createResponse(); |
| 572 | } catch (\Exception $e) { |
| 573 | $easy->createResponseException = $e; |
| 574 | return -1; |
| 575 | } |
| 576 | if ($onHeaders !== null) { |
| 577 | try { |
| 578 | $onHeaders($easy->response); |
| 579 | } catch (\Exception $e) { |
| 580 | // Associate the exception with the handle and trigger |
| 581 | // a curl header write error by returning 0. |
| 582 | $easy->onHeadersException = $e; |
| 583 | return -1; |
| 584 | } |
| 585 | } |
| 586 | } elseif ($startingResponse) { |
| 587 | $startingResponse = false; |
| 588 | $easy->headers = [$value]; |
| 589 | } else { |
| 590 | $easy->headers[] = $value; |
| 591 | } |
| 592 | return \strlen($h); |
| 593 | }; |
| 594 | } |
| 595 | } |
| 596 |