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web/vendor/asm89/stack-cors/README.md

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+# Stack/Cors
+
+Library and middleware enabling cross-origin resource sharing for your
+http-{foundation,kernel} using application. It attempts to implement the
+[W3C Candidate Recommendation] for cross-origin resource sharing.
+
+[W3C Candidate Recommendation]: http://www.w3.org/TR/cors/
+
+Master [![Build Status](https://secure.travis-ci.org/asm89/stack-cors.png?branch=master)](http://travis-ci.org/asm89/stack-cors)
+Develop [![Build Status](https://secure.travis-ci.org/asm89/stack-cors.png?branch=develop)](http://travis-ci.org/asm89/stack-cors)
+
+## Installation
+
+Require `asm89/stack-cors` using composer.
+
+## Usage
+
+Stack middleware:
+
+```php
+<?php
+
+use Asm89\Stack\Cors;
+
+$app = new Cors($app, array(
+    // you can use array('*') to allow any headers
+    'allowedHeaders'      => array('x-allowed-header', 'x-other-allowed-header'),
+    // you can use array('*') to allow any methods
+    'allowedMethods'      => array('DELETE', 'GET', 'POST', 'PUT'),
+    // you can use array('*') to allow requests from any origin
+    'allowedOrigins'      => array('localhost'),
+    'exposedHeaders'      => false,
+    'maxAge'              => false,
+    'supportsCredentials' => false,
+));
+```
+
+Or use the library:
+
+```php
+<?php
+
+use Asm89\Stack\CorsService;
+
+$cors = new CorsService(array(
+    'allowedHeaders'      => array('x-allowed-header', 'x-other-allowed-header'),
+    'allowedMethods'      => array('DELETE', 'GET', 'POST', 'PUT'),
+    'allowedOrigins'      => array('localhost'),
+    'exposedHeaders'      => false,
+    'maxAge'              => false,
+    'supportsCredentials' => false,
+));
+
+$cors->addActualRequestHeaders(Response $response, $origin);
+$cors->handlePreflightRequest(Request $request);
+$cors->isActualRequestAllowed(Request $request);
+$cors->isCorsRequest(Request $request);
+$cors->isPreflightRequest(Request $request);
+```