当前路径:vendor/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php <?php namespace GuzzleHttp; use GuzzleHttp\Promise\PromiseInterface; use GuzzleHttp\Psr7; use Psr\Http\Message\RequestInterface; /** * Prepares requests that contain a body, adding the Content-Length, * Content-Type, and Expect headers. */ class PrepareBodyMiddleware { /** @var callable */ private $nextHandler; /** * @param callable $nextHandler Next handler to invoke. */ public function __construct(callable $nextHandler) { $this->nextHandler = $nextHandler; } /** * @param RequestInterface $request * @param array $options * * @return PromiseInterface */ public function __invoke(RequestInterface $request, array $options) { $fn = $this->nextHandler; // Don't do anything if the request has no body. if ($request->getBody()->getSize() === 0) { return $fn($request, $options); } $modify = []; // Add a default content-type if possible. if (!$request->hasHeader('Content-Type')) { if ($uri = $request->getBody()->getMetadata('uri')) { if ($type = Psr7\mimetype_from_filename($uri)) { $modify['set_headers']['Content-Type'] = $type; } } } // Add a default content-length or transfer-encoding header. if (!$request->hasHeader('Content-Length') && !$request->hasHeader('Transfer-Encoding') ) { $size = $request->getBody()->getSize(); if ($size !== null) { $modify['set_headers']['Content-Length'] = $size; } else { $modify['set_headers']['Transfer-Encoding'] = 'chunked'; } } // Add the expect header if needed. $this->addExpectHeader($request, $options, $modify); return $fn(Psr7\modify_request($request, $modify), $options); } /** * Add expect header * * @return void */ private function addExpectHeader( RequestInterface $request, array $options, array &$modify ) { // Determine if the Expect header should be used if ($request->hasHeader('Expect')) { return; } $expect = isset($options['expect']) ? $options['expect'] : null; // Return if disabled or if you're not using HTTP/1.1 or HTTP/2.0 if ($expect === false || $request->getProtocolVersion() < 1.1) { return; } // The expect header is unconditionally enabled if ($expect === true) { $modify['set_headers']['Expect'] = '100-Continue'; return; } // By default, send the expect header when the payload is > 1mb if ($expect === null) { $expect = 1048576; } // Always add if the body cannot be rewound, the size cannot be // determined, or the size is greater than the cutoff threshold $body = $request->getBody(); $size = $body->getSize(); if ($size === null || $size >= (int) $expect || !$body->isSeekable()) { $modify['set_headers']['Expect'] = '100-Continue'; } } }
相关源码
- 可旋转的彩色立方体C#源代码2021-10-29
- 在线考试系统2021-10-15
- EduSoho开源网校系统源码2019-06-27
- 仿拼多多小程序商城源码2019-06-06
- PHP5网站运行监测系统源码2017-04-14
关于我们 | 顾问团队 | 发展历程 | 联系我们 | 源码上传
联系电话(Tel):4008-010-151(免长途)
地址:北京市海淀区大恒科技大厦五层 邮编:100080
Floor 5th,Daheng Building,Zhongguancun,Beijing,China,100080
51Aspx.com 版权所有 CopyRight © 2006-2022. 京ICP备09089570号 | 京公网安备11010702000869号
联系电话(Tel):4008-010-151(免长途)
地址:北京市海淀区大恒科技大厦五层 邮编:100080
Floor 5th,Daheng Building,Zhongguancun,Beijing,China,100080
51Aspx.com 版权所有 CopyRight © 2006-2022. 京ICP备09089570号 | 京公网安备11010702000869号