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64 lines
2.1 KiB
64 lines
2.1 KiB
<?php
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/**
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* Copyright 2019 Huawei Technologies Co.,Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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* this file except in compliance with the License. You may obtain a copy of the
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* License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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namespace Obs\Internal\Common;
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use Psr\Http\Message\StreamInterface;
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use GuzzleHttp\Psr7\StreamDecoratorTrait;
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use Obs\ObsException;
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class CheckoutStream implements StreamInterface {
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use StreamDecoratorTrait;
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private $expectedLength;
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private $readedCount = 0;
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public function __construct(StreamInterface $stream, $expectedLength) {
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$this->stream = $stream;
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$this->expectedLength = $expectedLength;
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}
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public function getContents() {
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$contents = $this->stream->getContents();
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$length = strlen($contents);
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if ($this->expectedLength !== null && floatval($length) !== $this->expectedLength) {
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$this -> throwObsException($this->expectedLength, $length);
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}
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return $contents;
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}
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public function read($length) {
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$string = $this->stream->read($length);
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if ($this->expectedLength !== null) {
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$this->readedCount += strlen($string);
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if ($this->stream->eof()) {
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if (floatval($this->readedCount) !== $this->expectedLength) {
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$this -> throwObsException($this->expectedLength, $this->readedCount);
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}
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}
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}
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return $string;
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}
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public function throwObsException($expectedLength, $reaLength) {
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$obsException = new ObsException('premature end of Content-Length delimiter message body (expected:' . $expectedLength . '; received:' . $reaLength . ')');
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$obsException->setExceptionType('server');
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throw $obsException;
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}
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}
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