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<?php |
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/** |
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* |
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* KNUT7 K7F (https://marciozebedeu.com/) |
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* KNUT7 K7F (tm) : Rapid Development Framework (https://marciozebedeu.com/) |
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* |
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* Licensed under The MIT License |
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* For full copyright and license information, please see the LICENSE.txt |
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* Redistributions of files must retain the above copyright notice. |
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* |
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* @link https://github.com/knut7/framework/ for the canonical source repository |
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* @copyright (c) 2015. KNUT7 Software Technologies AO Inc. (https://marciozebedeu.com/) |
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* @license https://marciozebedeu.com/license/new-bsd New BSD License |
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* @author Marcio Zebedeu - [email protected] |
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* @version 1.0.14 |
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* |
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* |
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*/ |
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namespace Ballybran\Routing\Router; |
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class RouterRequest |
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{ |
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/** |
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* @var string $validMethods Valid methods for Requests |
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*/ |
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public static $validMethods = 'GET|POST|PUT|DELETE|HEAD|OPTIONS|PATCH|ANY|AJAX|XPOST|XPUT|XDELETE|XPATCH'; |
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/** |
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* Request method validation |
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* |
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* @param string $data |
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* @param string $method |
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* |
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* @return bool |
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*/ |
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public static function validMethod($data, $method) |
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{ |
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$valid = false; |
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if (strstr($data, '|')) { |
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foreach (explode('|', $data) as $value) { |
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$valid = self::checkMethods($value, $method); |
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if ($valid) { |
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break; |
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} |
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} |
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} else { |
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$valid = self::checkMethods($data, $method); |
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} |
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return $valid; |
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} |
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/** |
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* Get the request method used, taking overrides into account |
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* |
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* @return string |
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*/ |
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public static function getRequestMethod() |
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{ |
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// Take the method as found in $_SERVER |
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$method = $_SERVER['REQUEST_METHOD']; |
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// If it's a HEAD request override it to being GET and prevent any output, as per HTTP Specification |
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// @url http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.4 |
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if ($method === 'HEAD') { |
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ob_start(); |
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$method = 'GET'; |
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} elseif ($method === 'POST') { |
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$headers = self::getRequestHeaders(); |
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if (isset($headers['X-HTTP-Method-Override']) && |
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in_array($headers['X-HTTP-Method-Override'], ['PUT', 'DELETE', 'PATCH', 'OPTIONS', 'HEAD'])) { |
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$method = $headers['X-HTTP-Method-Override']; |
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} elseif (! empty($_POST['_method'])) { |
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$method = strtoupper($_POST['_method']); |
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} |
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} |
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return $method; |
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} |
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/** |
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* check method valid |
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* |
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* @param string $value |
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* @param string $method |
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* |
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* @return bool |
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*/ |
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protected static function checkMethods($value, $method) |
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{ |
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if (in_array($value, explode('|', self::$validMethods))) { |
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if (self::isAjax() && $value === 'AJAX') { |
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return true; |
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} |
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if (self::isAjax() && strpos($value, 'X') === 0 && $method === ltrim($value, 'X')) { |
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return true; |
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} |
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if (in_array($value, [$method, 'ANY'])) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Check ajax request |
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* |
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* @return bool |
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*/ |
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protected static function isAjax() |
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{ |
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return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'XMLHttpRequest'); |
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} |
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/** |
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* Get all request headers |
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* |
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* @return array |
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*/ |
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protected static function getRequestHeaders() |
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{ |
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// If getallheaders() is available, use that |
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if (function_exists('getallheaders')) { |
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return getallheaders(); |
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} |
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// Method getallheaders() not available: manually extract 'm |
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$headers = []; |
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foreach ($_SERVER as $name => $value) { |
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if (substr($name, 0, 5) == 'HTTP_' || $name === 'CONTENT_TYPE' || $name === 'CONTENT_LENGTH') { |
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$headerKey = str_replace( |
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[' ', 'Http'], |
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['-', 'HTTP'], |
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ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))) |
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); |
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$headers[$headerKey] = $value; |
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} |
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} |
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return $headers; |
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} |
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} |
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knut7 /
framework
If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled.