143 lines
3.5 KiB
PHP
143 lines
3.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpClient\Internal;
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use Amp\ByteStream\InputStream;
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use Amp\ByteStream\ResourceInputStream;
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use Amp\Http\Client\RequestBody;
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use Amp\Promise;
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use Amp\Success;
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use Symfony\Component\HttpClient\Exception\TransportException;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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class AmpBody implements RequestBody, InputStream
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{
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private $body;
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private $info;
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private $onProgress;
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private $offset = 0;
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private $length = -1;
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private $uploaded;
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public function __construct($body, &$info, \Closure $onProgress)
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{
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$this->body = $body;
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$this->info = &$info;
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$this->onProgress = $onProgress;
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if (\is_resource($body)) {
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$this->offset = ftell($body);
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$this->length = fstat($body)['size'];
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$this->body = new ResourceInputStream($body);
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} elseif (\is_string($body)) {
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$this->length = \strlen($body);
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}
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}
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public function createBodyStream(): InputStream
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{
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if (null !== $this->uploaded) {
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$this->uploaded = null;
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if (\is_string($this->body)) {
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$this->offset = 0;
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} elseif ($this->body instanceof ResourceInputStream) {
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fseek($this->body->getResource(), $this->offset);
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}
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}
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return $this;
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}
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public function getHeaders(): Promise
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{
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return new Success([]);
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}
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public function getBodyLength(): Promise
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{
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return new Success($this->length - $this->offset);
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}
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public function read(): Promise
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{
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$this->info['size_upload'] += $this->uploaded;
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$this->uploaded = 0;
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($this->onProgress)();
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$chunk = $this->doRead();
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$chunk->onResolve(function ($e, $data) {
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if (null !== $data) {
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$this->uploaded = \strlen($data);
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} else {
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$this->info['upload_content_length'] = $this->info['size_upload'];
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}
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});
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return $chunk;
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}
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public static function rewind(RequestBody $body): RequestBody
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{
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if (!$body instanceof self) {
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return $body;
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}
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$body->uploaded = null;
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if ($body->body instanceof ResourceInputStream) {
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fseek($body->body->getResource(), $body->offset);
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return new $body($body->body, $body->info, $body->onProgress);
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}
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if (\is_string($body->body)) {
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$body->offset = 0;
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}
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return $body;
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}
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private function doRead(): Promise
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{
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if ($this->body instanceof ResourceInputStream) {
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return $this->body->read();
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}
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if (null === $this->offset || !$this->length) {
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return new Success();
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}
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if (\is_string($this->body)) {
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$this->offset = null;
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return new Success($this->body);
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}
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if ('' === $data = ($this->body)(16372)) {
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$this->offset = null;
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return new Success();
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}
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if (!\is_string($data)) {
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throw new TransportException(sprintf('Return value of the "body" option callback must be string, "%s" returned.', get_debug_type($data)));
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}
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return new Success($data);
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}
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}
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