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src
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PrepareBodyMiddleware.php
Cookie
2 months ago
Exception
2 months ago
Handler
2 months ago
BodySummarizer.php
1 year ago
BodySummarizerInterface.php
1 year ago
Client.php
2 months ago
ClientInterface.php
1 year ago
ClientTrait.php
1 year ago
HandlerStack.php
2 months ago
MessageFormatter.php
1 year ago
MessageFormatterInterface.php
1 year ago
Middleware.php
2 months ago
Pool.php
2 months ago
PrepareBodyMiddleware.php
2 months ago
RedirectMiddleware.php
2 months ago
RequestOptions.php
2 months ago
RetryMiddleware.php
2 months ago
TransferStats.php
1 year ago
TransportSharing.php
2 months ago
Utils.php
2 months ago
functions.php
2 months ago
functions_include.php
1 year ago
PrepareBodyMiddleware.php
106 lines
| 1 | <?php |
| 2 | |
| 3 | namespace GuzzleHttp; |
| 4 | |
| 5 | use GuzzleHttp\Promise\PromiseInterface; |
| 6 | use Psr\Http\Message\RequestInterface; |
| 7 | |
| 8 | /** |
| 9 | * Prepares requests that contain a body, adding the Content-Length, |
| 10 | * Content-Type, and Expect headers. |
| 11 | * |
| 12 | * @final |
| 13 | */ |
| 14 | class PrepareBodyMiddleware |
| 15 | { |
| 16 | /** |
| 17 | * @var callable(RequestInterface, array): PromiseInterface |
| 18 | */ |
| 19 | private $nextHandler; |
| 20 | |
| 21 | /** |
| 22 | * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke. |
| 23 | */ |
| 24 | public function __construct(callable $nextHandler) |
| 25 | { |
| 26 | $this->nextHandler = $nextHandler; |
| 27 | } |
| 28 | |
| 29 | public function __invoke(RequestInterface $request, array $options): PromiseInterface |
| 30 | { |
| 31 | $fn = $this->nextHandler; |
| 32 | |
| 33 | // Don't do anything if the request has no body. |
| 34 | if ($request->getBody()->getSize() === 0) { |
| 35 | return $fn($request, $options); |
| 36 | } |
| 37 | |
| 38 | $modify = []; |
| 39 | |
| 40 | // Add a default content-type if possible. |
| 41 | if (!$request->hasHeader('Content-Type')) { |
| 42 | if ($uri = $request->getBody()->getMetadata('uri')) { |
| 43 | if (is_string($uri) && $type = Psr7\MimeType::fromFilename($uri)) { |
| 44 | $modify['set_headers']['Content-Type'] = $type; |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | // Add a default content-length or transfer-encoding header. |
| 50 | if (!$request->hasHeader('Content-Length') |
| 51 | && !$request->hasHeader('Transfer-Encoding') |
| 52 | ) { |
| 53 | $size = $request->getBody()->getSize(); |
| 54 | if ($size !== null) { |
| 55 | $modify['set_headers']['Content-Length'] = (string) $size; |
| 56 | } else { |
| 57 | $modify['set_headers']['Transfer-Encoding'] = 'chunked'; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | // Add the expect header if needed. |
| 62 | $this->addExpectHeader($request, $options, $modify); |
| 63 | |
| 64 | return $fn(Psr7\Utils::modifyRequest($request, $modify), $options); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Add expect header |
| 69 | */ |
| 70 | private function addExpectHeader(RequestInterface $request, array $options, array &$modify): void |
| 71 | { |
| 72 | // Determine if the Expect header should be used |
| 73 | if ($request->hasHeader('Expect')) { |
| 74 | return; |
| 75 | } |
| 76 | |
| 77 | $expect = $options['expect'] ?? null; |
| 78 | |
| 79 | // Return if disabled or using HTTP/1.0 |
| 80 | if ($expect === false || $request->getProtocolVersion() === '1.0') { |
| 81 | return; |
| 82 | } |
| 83 | |
| 84 | // The expect header is unconditionally enabled |
| 85 | if ($expect === true) { |
| 86 | $modify['set_headers']['Expect'] = '100-Continue'; |
| 87 | |
| 88 | return; |
| 89 | } |
| 90 | |
| 91 | // By default, send the expect header when the payload is > 1mb |
| 92 | if ($expect === null) { |
| 93 | $expect = 1048576; |
| 94 | } |
| 95 | |
| 96 | // Always add if the body cannot be rewound, the size cannot be |
| 97 | // determined, or the size is greater than the cutoff threshold |
| 98 | $body = $request->getBody(); |
| 99 | $size = $body->getSize(); |
| 100 | |
| 101 | if ($size === null || $size >= (int) $expect || !$body->isSeekable()) { |
| 102 | $modify['set_headers']['Expect'] = '100-Continue'; |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 |