461 lines
16 KiB
PHP
461 lines
16 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\HttpClient\Response;
|
|
|
|
use Amp\ByteStream\StreamException;
|
|
use Amp\CancellationTokenSource;
|
|
use Amp\Coroutine;
|
|
use Amp\Deferred;
|
|
use Amp\Http\Client\HttpException;
|
|
use Amp\Http\Client\Request;
|
|
use Amp\Http\Client\Response;
|
|
use Amp\Loop;
|
|
use Amp\Promise;
|
|
use Amp\Success;
|
|
use Psr\Log\LoggerInterface;
|
|
use Symfony\Component\HttpClient\Chunk\FirstChunk;
|
|
use Symfony\Component\HttpClient\Chunk\InformationalChunk;
|
|
use Symfony\Component\HttpClient\Exception\InvalidArgumentException;
|
|
use Symfony\Component\HttpClient\Exception\TransportException;
|
|
use Symfony\Component\HttpClient\HttpClientTrait;
|
|
use Symfony\Component\HttpClient\Internal\AmpBody;
|
|
use Symfony\Component\HttpClient\Internal\AmpClientState;
|
|
use Symfony\Component\HttpClient\Internal\Canary;
|
|
use Symfony\Component\HttpClient\Internal\ClientState;
|
|
use Symfony\Contracts\HttpClient\ResponseInterface;
|
|
|
|
/**
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
|
*
|
|
* @internal
|
|
*/
|
|
final class AmpResponse implements ResponseInterface, StreamableInterface
|
|
{
|
|
use CommonResponseTrait;
|
|
use TransportResponseTrait;
|
|
|
|
private static $nextId = 'a';
|
|
|
|
private $multi;
|
|
private $options;
|
|
private $canceller;
|
|
private $onProgress;
|
|
|
|
private static $delay;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
public function __construct(AmpClientState $multi, Request $request, array $options, ?LoggerInterface $logger)
|
|
{
|
|
$this->multi = $multi;
|
|
$this->options = &$options;
|
|
$this->logger = $logger;
|
|
$this->timeout = $options['timeout'];
|
|
$this->shouldBuffer = $options['buffer'];
|
|
|
|
if ($this->inflate = \extension_loaded('zlib') && !$request->hasHeader('accept-encoding')) {
|
|
$request->setHeader('Accept-Encoding', 'gzip');
|
|
}
|
|
|
|
$this->initializer = static function (self $response) {
|
|
return null !== $response->options;
|
|
};
|
|
|
|
$info = &$this->info;
|
|
$headers = &$this->headers;
|
|
$canceller = $this->canceller = new CancellationTokenSource();
|
|
$handle = &$this->handle;
|
|
|
|
$info['url'] = (string) $request->getUri();
|
|
$info['http_method'] = $request->getMethod();
|
|
$info['start_time'] = null;
|
|
$info['redirect_url'] = null;
|
|
$info['redirect_time'] = 0.0;
|
|
$info['redirect_count'] = 0;
|
|
$info['size_upload'] = 0.0;
|
|
$info['size_download'] = 0.0;
|
|
$info['upload_content_length'] = -1.0;
|
|
$info['download_content_length'] = -1.0;
|
|
$info['user_data'] = $options['user_data'];
|
|
$info['debug'] = '';
|
|
|
|
$onProgress = $options['on_progress'] ?? static function () {};
|
|
$onProgress = $this->onProgress = static function () use (&$info, $onProgress) {
|
|
$info['total_time'] = microtime(true) - $info['start_time'];
|
|
$onProgress((int) $info['size_download'], ((int) (1 + $info['download_content_length']) ?: 1) - 1, (array) $info);
|
|
};
|
|
|
|
$pauseDeferred = new Deferred();
|
|
$pause = new Success();
|
|
|
|
$throttleWatcher = null;
|
|
|
|
$this->id = $id = self::$nextId++;
|
|
Loop::defer(static function () use ($request, $multi, &$id, &$info, &$headers, $canceller, &$options, $onProgress, &$handle, $logger, &$pause) {
|
|
return new Coroutine(self::generateResponse($request, $multi, $id, $info, $headers, $canceller, $options, $onProgress, $handle, $logger, $pause));
|
|
});
|
|
|
|
$info['pause_handler'] = static function (float $duration) use (&$throttleWatcher, &$pauseDeferred, &$pause) {
|
|
if (null !== $throttleWatcher) {
|
|
Loop::cancel($throttleWatcher);
|
|
}
|
|
|
|
$pause = $pauseDeferred->promise();
|
|
|
|
if ($duration <= 0) {
|
|
$deferred = $pauseDeferred;
|
|
$pauseDeferred = new Deferred();
|
|
$deferred->resolve();
|
|
} else {
|
|
$throttleWatcher = Loop::delay(ceil(1000 * $duration), static function () use (&$pauseDeferred) {
|
|
$deferred = $pauseDeferred;
|
|
$pauseDeferred = new Deferred();
|
|
$deferred->resolve();
|
|
});
|
|
}
|
|
};
|
|
|
|
$multi->lastTimeout = null;
|
|
$multi->openHandles[$id] = $id;
|
|
++$multi->responseCount;
|
|
|
|
$this->canary = new Canary(static function () use ($canceller, $multi, $id) {
|
|
$canceller->cancel();
|
|
unset($multi->openHandles[$id], $multi->handlesActivity[$id]);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getInfo(string $type = null)
|
|
{
|
|
return null !== $type ? $this->info[$type] ?? null : $this->info;
|
|
}
|
|
|
|
public function __sleep(): array
|
|
{
|
|
throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
|
|
}
|
|
|
|
public function __wakeup()
|
|
{
|
|
throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
|
|
}
|
|
|
|
public function __destruct()
|
|
{
|
|
try {
|
|
$this->doDestruct();
|
|
} finally {
|
|
// Clear the DNS cache when all requests completed
|
|
if (0 >= --$this->multi->responseCount) {
|
|
$this->multi->responseCount = 0;
|
|
$this->multi->dnsCache = [];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
private static function schedule(self $response, array &$runningResponses): void
|
|
{
|
|
if (isset($runningResponses[0])) {
|
|
$runningResponses[0][1][$response->id] = $response;
|
|
} else {
|
|
$runningResponses[0] = [$response->multi, [$response->id => $response]];
|
|
}
|
|
|
|
if (!isset($response->multi->openHandles[$response->id])) {
|
|
$response->multi->handlesActivity[$response->id][] = null;
|
|
$response->multi->handlesActivity[$response->id][] = null !== $response->info['error'] ? new TransportException($response->info['error']) : null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*
|
|
* @param AmpClientState $multi
|
|
*/
|
|
private static function perform(ClientState $multi, array &$responses = null): void
|
|
{
|
|
if ($responses) {
|
|
foreach ($responses as $response) {
|
|
try {
|
|
if ($response->info['start_time']) {
|
|
$response->info['total_time'] = microtime(true) - $response->info['start_time'];
|
|
($response->onProgress)();
|
|
}
|
|
} catch (\Throwable $e) {
|
|
$multi->handlesActivity[$response->id][] = null;
|
|
$multi->handlesActivity[$response->id][] = $e;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*
|
|
* @param AmpClientState $multi
|
|
*/
|
|
private static function select(ClientState $multi, float $timeout): int
|
|
{
|
|
$timeout += microtime(true);
|
|
self::$delay = Loop::defer(static function () use ($timeout) {
|
|
if (0 < $timeout -= microtime(true)) {
|
|
self::$delay = Loop::delay(ceil(1000 * $timeout), [Loop::class, 'stop']);
|
|
} else {
|
|
Loop::stop();
|
|
}
|
|
});
|
|
|
|
Loop::run();
|
|
|
|
return null === self::$delay ? 1 : 0;
|
|
}
|
|
|
|
private static function generateResponse(Request $request, AmpClientState $multi, string $id, array &$info, array &$headers, CancellationTokenSource $canceller, array &$options, \Closure $onProgress, &$handle, ?LoggerInterface $logger, Promise &$pause)
|
|
{
|
|
$request->setInformationalResponseHandler(static function (Response $response) use ($multi, $id, &$info, &$headers) {
|
|
self::addResponseHeaders($response, $info, $headers);
|
|
$multi->handlesActivity[$id][] = new InformationalChunk($response->getStatus(), $response->getHeaders());
|
|
self::stopLoop();
|
|
});
|
|
|
|
try {
|
|
/* @var Response $response */
|
|
if (null === $response = yield from self::getPushedResponse($request, $multi, $info, $headers, $options, $logger)) {
|
|
$logger && $logger->info(sprintf('Request: "%s %s"', $info['http_method'], $info['url']));
|
|
|
|
$response = yield from self::followRedirects($request, $multi, $info, $headers, $canceller, $options, $onProgress, $handle, $logger, $pause);
|
|
}
|
|
|
|
$options = null;
|
|
|
|
$multi->handlesActivity[$id][] = new FirstChunk();
|
|
|
|
if ('HEAD' === $response->getRequest()->getMethod() || \in_array($info['http_code'], [204, 304], true)) {
|
|
$multi->handlesActivity[$id][] = null;
|
|
$multi->handlesActivity[$id][] = null;
|
|
self::stopLoop();
|
|
|
|
return;
|
|
}
|
|
|
|
if ($response->hasHeader('content-length')) {
|
|
$info['download_content_length'] = (float) $response->getHeader('content-length');
|
|
}
|
|
|
|
$body = $response->getBody();
|
|
|
|
while (true) {
|
|
self::stopLoop();
|
|
|
|
yield $pause;
|
|
|
|
if (null === $data = yield $body->read()) {
|
|
break;
|
|
}
|
|
|
|
$info['size_download'] += \strlen($data);
|
|
$multi->handlesActivity[$id][] = $data;
|
|
}
|
|
|
|
$multi->handlesActivity[$id][] = null;
|
|
$multi->handlesActivity[$id][] = null;
|
|
} catch (\Throwable $e) {
|
|
$multi->handlesActivity[$id][] = null;
|
|
$multi->handlesActivity[$id][] = $e;
|
|
} finally {
|
|
$info['download_content_length'] = $info['size_download'];
|
|
}
|
|
|
|
self::stopLoop();
|
|
}
|
|
|
|
private static function followRedirects(Request $originRequest, AmpClientState $multi, array &$info, array &$headers, CancellationTokenSource $canceller, array $options, \Closure $onProgress, &$handle, ?LoggerInterface $logger, Promise &$pause)
|
|
{
|
|
yield $pause;
|
|
|
|
$originRequest->setBody(new AmpBody($options['body'], $info, $onProgress));
|
|
$response = yield $multi->request($options, $originRequest, $canceller->getToken(), $info, $onProgress, $handle);
|
|
$previousUrl = null;
|
|
|
|
while (true) {
|
|
self::addResponseHeaders($response, $info, $headers);
|
|
$status = $response->getStatus();
|
|
|
|
if (!\in_array($status, [301, 302, 303, 307, 308], true) || null === $location = $response->getHeader('location')) {
|
|
return $response;
|
|
}
|
|
|
|
$urlResolver = new class() {
|
|
use HttpClientTrait {
|
|
parseUrl as public;
|
|
resolveUrl as public;
|
|
}
|
|
};
|
|
|
|
try {
|
|
$previousUrl = $previousUrl ?? $urlResolver::parseUrl($info['url']);
|
|
$location = $urlResolver::parseUrl($location);
|
|
$location = $urlResolver::resolveUrl($location, $previousUrl);
|
|
$info['redirect_url'] = implode('', $location);
|
|
} catch (InvalidArgumentException $e) {
|
|
return $response;
|
|
}
|
|
|
|
if (0 >= $options['max_redirects'] || $info['redirect_count'] >= $options['max_redirects']) {
|
|
return $response;
|
|
}
|
|
|
|
$logger && $logger->info(sprintf('Redirecting: "%s %s"', $status, $info['url']));
|
|
|
|
try {
|
|
// Discard body of redirects
|
|
while (null !== yield $response->getBody()->read()) {
|
|
}
|
|
} catch (HttpException|StreamException $e) {
|
|
// Ignore streaming errors on previous responses
|
|
}
|
|
|
|
++$info['redirect_count'];
|
|
$info['url'] = $info['redirect_url'];
|
|
$info['redirect_url'] = null;
|
|
$previousUrl = $location;
|
|
|
|
$request = new Request($info['url'], $info['http_method']);
|
|
$request->setProtocolVersions($originRequest->getProtocolVersions());
|
|
$request->setTcpConnectTimeout($originRequest->getTcpConnectTimeout());
|
|
$request->setTlsHandshakeTimeout($originRequest->getTlsHandshakeTimeout());
|
|
$request->setTransferTimeout($originRequest->getTransferTimeout());
|
|
|
|
if (\in_array($status, [301, 302, 303], true)) {
|
|
$originRequest->removeHeader('transfer-encoding');
|
|
$originRequest->removeHeader('content-length');
|
|
$originRequest->removeHeader('content-type');
|
|
|
|
// Do like curl and browsers: turn POST to GET on 301, 302 and 303
|
|
if ('POST' === $response->getRequest()->getMethod() || 303 === $status) {
|
|
$info['http_method'] = 'HEAD' === $response->getRequest()->getMethod() ? 'HEAD' : 'GET';
|
|
$request->setMethod($info['http_method']);
|
|
}
|
|
} else {
|
|
$request->setBody(AmpBody::rewind($response->getRequest()->getBody()));
|
|
}
|
|
|
|
foreach ($originRequest->getRawHeaders() as [$name, $value]) {
|
|
$request->setHeader($name, $value);
|
|
}
|
|
|
|
if ($request->getUri()->getAuthority() !== $originRequest->getUri()->getAuthority()) {
|
|
$request->removeHeader('authorization');
|
|
$request->removeHeader('cookie');
|
|
$request->removeHeader('host');
|
|
}
|
|
|
|
yield $pause;
|
|
|
|
$response = yield $multi->request($options, $request, $canceller->getToken(), $info, $onProgress, $handle);
|
|
$info['redirect_time'] = microtime(true) - $info['start_time'];
|
|
}
|
|
}
|
|
|
|
private static function addResponseHeaders(Response $response, array &$info, array &$headers): void
|
|
{
|
|
$info['http_code'] = $response->getStatus();
|
|
|
|
if ($headers) {
|
|
$info['debug'] .= "< \r\n";
|
|
$headers = [];
|
|
}
|
|
|
|
$h = sprintf('HTTP/%s %s %s', $response->getProtocolVersion(), $response->getStatus(), $response->getReason());
|
|
$info['debug'] .= "< {$h}\r\n";
|
|
$info['response_headers'][] = $h;
|
|
|
|
foreach ($response->getRawHeaders() as [$name, $value]) {
|
|
$headers[strtolower($name)][] = $value;
|
|
$h = $name.': '.$value;
|
|
$info['debug'] .= "< {$h}\r\n";
|
|
$info['response_headers'][] = $h;
|
|
}
|
|
|
|
$info['debug'] .= "< \r\n";
|
|
}
|
|
|
|
/**
|
|
* Accepts pushed responses only if their headers related to authentication match the request.
|
|
*/
|
|
private static function getPushedResponse(Request $request, AmpClientState $multi, array &$info, array &$headers, array $options, ?LoggerInterface $logger)
|
|
{
|
|
if ('' !== $options['body']) {
|
|
return null;
|
|
}
|
|
|
|
$authority = $request->getUri()->getAuthority();
|
|
|
|
foreach ($multi->pushedResponses[$authority] ?? [] as $i => [$pushedUrl, $pushDeferred, $pushedRequest, $pushedResponse, $parentOptions]) {
|
|
if ($info['url'] !== $pushedUrl || $info['http_method'] !== $pushedRequest->getMethod()) {
|
|
continue;
|
|
}
|
|
|
|
foreach ($parentOptions as $k => $v) {
|
|
if ($options[$k] !== $v) {
|
|
continue 2;
|
|
}
|
|
}
|
|
|
|
foreach (['authorization', 'cookie', 'range', 'proxy-authorization'] as $k) {
|
|
if ($pushedRequest->getHeaderArray($k) !== $request->getHeaderArray($k)) {
|
|
continue 2;
|
|
}
|
|
}
|
|
|
|
$response = yield $pushedResponse;
|
|
|
|
foreach ($response->getHeaderArray('vary') as $vary) {
|
|
foreach (preg_split('/\s*+,\s*+/', $vary) as $v) {
|
|
if ('*' === $v || ($pushedRequest->getHeaderArray($v) !== $request->getHeaderArray($v) && 'accept-encoding' !== strtolower($v))) {
|
|
$logger && $logger->debug(sprintf('Skipping pushed response: "%s"', $info['url']));
|
|
continue 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
$pushDeferred->resolve();
|
|
$logger && $logger->debug(sprintf('Accepting pushed response: "%s %s"', $info['http_method'], $info['url']));
|
|
self::addResponseHeaders($response, $info, $headers);
|
|
unset($multi->pushedResponses[$authority][$i]);
|
|
|
|
if (!$multi->pushedResponses[$authority]) {
|
|
unset($multi->pushedResponses[$authority]);
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
}
|
|
|
|
private static function stopLoop(): void
|
|
{
|
|
if (null !== self::$delay) {
|
|
Loop::cancel(self::$delay);
|
|
self::$delay = null;
|
|
}
|
|
|
|
Loop::defer([Loop::class, 'stop']);
|
|
}
|
|
}
|