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<?php |
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/** |
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* antibot |
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* |
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* @category Jkphl |
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* @package Jkphl\Antibot |
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* @subpackage Jkphl\Antibot\Ports\Validators |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2018 Joschi Kuphal <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Jkphl\Antibot\Ports\Validators; |
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use Jkphl\Antibot\Domain\Antibot; |
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use Jkphl\Antibot\Domain\Exceptions\BlacklistValidationException; |
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use Jkphl\Antibot\Infrastructure\Model\AbstractLookupValidator; |
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use Jkphl\Antibot\Ports\Contract\LookupStrategyInterface; |
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use Jkphl\Antibot\Ports\Exceptions\InvalidArgumentException; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Parameter Blacklist Validator |
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* |
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* @package Jkphl\Antibot |
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* @subpackage Jkphl\Antibot\Ports\Validators |
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*/ |
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class ParameterBlacklistValidator extends AbstractLookupValidator |
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{ |
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/** |
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* Parameter name |
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* |
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* @var string |
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*/ |
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protected $parameter; |
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/** |
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* Parameter type |
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* |
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* @var string |
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*/ |
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protected $type; |
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/** |
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* Use $_GET parameter |
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* |
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* @var string |
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*/ |
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const GET = 'GET'; |
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/** |
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* Use $_POST parameter |
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* |
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* @var string |
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*/ |
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const POST = 'POST'; |
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/** |
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* Constructor |
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* |
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* @param LookupStrategyInterface $strategy Lookup strategy |
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* @param string $parameter Parameter name |
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* @param string $type Parameter type |
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*/ |
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public function __construct(LookupStrategyInterface $strategy, string $parameter, string $type = self::GET) |
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{ |
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parent::__construct($strategy); |
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$this->parameter = $parameter; |
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$this->type = $type; |
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} |
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/** |
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* Validate a request |
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* |
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* @param ServerRequestInterface $request Request |
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* @param Antibot $antibot Antibot instance |
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* |
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* @return bool |
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* @throws InvalidArgumentException If the parameter name is invalid |
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*/ |
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public function validate(ServerRequestInterface $request, Antibot $antibot): bool |
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{ |
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// If the parameter name is invalid |
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if (empty($this->parameter)) { |
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throw new InvalidArgumentException( |
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InvalidArgumentException::INVALID_PARAMETER_NAME_STR, |
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InvalidArgumentException::INVALID_PARAMETER_NAME |
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); |
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} |
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$params = $this->getParams($request); |
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// If the parameter is present |
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if (array_key_exists($this->parameter, $params) |
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&& $this->strategy->lookup($params[$this->parameter])) { |
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throw new BlacklistValidationException($this->parameter); |
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} |
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return true; |
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} |
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/** |
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* Return the parameter stack to use |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return array Parameters |
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* @throws InvalidArgumentException If the parameter type is invalid |
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*/ |
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protected function getParams(ServerRequestInterface $request): array |
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{ |
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switch ($this->type) { |
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case static::GET: |
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$params = $request->getQueryParams(); |
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break; |
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case static::POST: |
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$params = $request->getParsedBody(); |
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break; |
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default: |
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throw new InvalidArgumentException( |
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sprintf(InvalidArgumentException::INVALID_PARAMETER_TYPE_STR, $this->type), |
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InvalidArgumentException::INVALID_PARAMETER_TYPE |
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); |
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} |
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return $params; |
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} |
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} |
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jkphl /
antibot
