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ReactPHP HTTP-Server Response Compression Middleware
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README.md

ReactPHP Response Compression Middleware

Build Status Total Downloads License

Install

To install via Composer, use the command below, it will automatically detect the latest version and bind it with ^.

composer require christoph-kluge/reactphp-http-response-compression-middleware

This middleware will detect if the request is compressible and will compress the response body and add relevant headers to it. Heavy lifting is done by clue/php-zlib-react, thanks!

Usage

$server = new Server(new MiddlewareRunner([
    new ResponseCompressionMiddleware([
        new CompressionGzipHandler(),
        new CompressionDeflateHandler(),
    ]),
    function (ServerRequestInterface $request, callable $next) {
        return new Response(200, ['Content-Type' => 'application/json'], json_encode([
            'some' => 'nice',
            'json' => 'values',
        ]));
    },
]));

Response-detection for compressible mime/content-types

Default detection

The default handlers will use by default the DefaultRegexDetecor to identify compressible Content-Types by a set of regular expressions. Those regular expressions are:

// DefaultRegexDetector.php -> used in __construct()

new RegexDetector([
    '/^text\/[a-z-\+]+$/', // text/*
    '/^application\/json$/', // application/json
    '/^application\/xml$/', // application/xml
    '/^[a-z-\+]+\/[a-z-\+]+\+json$/', // */*+json
    '/^[a-z-\+]+\/[a-z-\+]+\+xml$/', // */*+xml
]);

Available Detectors

There are currently the following available detectors:

  • ArrayDetector: Which will accept an whitelist of mime-types to check against
  • RegexDetecor: Which will accept an whitelist of regular expressions to check against
new CompressionGzipHandler(new ArrayDetector[
    'text/html',
]),
new CompressionGzipHandler(new RegexDetector[
    '/^text\/[a-z]+$/',
]),

Want to implement custom detectors?

If you would like to add a custom detection for the response mime type then you can simply pass an object as first parameter which implements the MimeDetectorInterface.

new CompressionGzipHandler(new class implements MimeDetectorInterface {
    public function isCompressible($mime) {
        // your custom magic here..
        return true;
    }
}),

License

The MIT License (MIT)

Copyright (c) 2017 Christoph Kluge

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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