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Jsonp Callback Validator Laravel Package
willdurand/jsonp-callback-validator
Validate JSONP callback names to prevent XSS. JsonpCallbackValidator checks whether a callback like JSONP.callback is safe and rejects malicious function payloads. Use via instance or static validate(), installable via Composer.
JsonpCallbackValidator
JsonpCallbackValidator allows you to validate a JSONP callback in order to prevent XSS attacks.
Usage
$validator = new \JsonpCallbackValidator();
$validator->validate("JSONP.callback");
// returns `true`
$validator->validate("(function xss(x){evil()})");
// returns `false`
Or as a static method:
\JsonpCallbackValidator::validate("JSONP.callback");
// returns `true`
\JsonpCallbackValidator::validate("(function xss(x){evil()})");
// returns `false`
Installation
The recommended way to install JsonpCallbackValidator is through Composer:
$ composer require willdurand/jsonp-callback-validator
Unit Tests
Setup the test suite using Composer:
$ composer install
Run it using PHPUnit:
$ ./vendor/bin/simple-phpunit
Contributing
See CONTRIBUTING file.
Credits
License
JsonpCallbackValidator is released under the MIT License. See the bundled LICENSE file for details.
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