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<?php |
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/** |
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* Validate different things. |
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* |
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* @package ThreemaGateway |
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* @author rugk |
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* @copyright Copyright (c) 2016 rugk |
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* @license MIT |
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*/ |
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class ThreemaGateway_Handler_Validation |
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{ |
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/** |
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* Checks whether a Threema ID is valid and exists. |
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* |
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* @param string $threemaid The Threema ID to check. |
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* @param string $type The type of the Threema ID (personal, gateway, any) |
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* @param string $error |
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* @param bool $checkExistence Whether not only formal aspects should |
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* be checked, but also the existence of the ID. |
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* @return bool |
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*/ |
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public static function checkThreemaId(&$threemaid, $type, &$error, $checkExistence = true) |
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{ |
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$threemaid = strtoupper($threemaid); |
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// check whether an id is formally correct |
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if (!preg_match('/' . ThreemaGateway_Constants::REGEX_THREEMA_ID[$type] . '/', $threemaid)) { |
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$error = (new XenForo_Phrase('threemagw_invalid_threema_id'))->render(); |
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return false; |
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} |
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if (!$checkExistence) { |
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return true; |
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} |
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/** @var ThreemaGateway_Handler_Action_GatewayServer $gwServer */ |
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$gwServer = new ThreemaGateway_Handler_Action_GatewayServer; |
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// fetches public key of an id to check whether it exists |
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try { |
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$gwServer->fetchPublicKey($threemaid); |
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} catch (Exception $e) { |
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// to show detailed error messages: $error = new XenForo_Phrase('threemagw_threema_id_does_not_exist') . ' ' . $e->getMessage(); |
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$error = (new XenForo_Phrase('threemagw_threema_id_does_not_exist'))->render(); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Checks whether the directory is read- and writable. |
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* It also automatically creates it if necessary. |
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* |
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* @param string $dir directory to check |
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* @return bool |
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*/ |
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public static function checkDir($dir) |
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{ |
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if (!file_exists($dir)) { |
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try { |
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mkdir($dir, 0770, true); |
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} catch (Exception $e) { |
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return false; |
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} |
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} |
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return (is_readable($dir) && is_writable($dir)); |
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} |
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} |
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rugk /
xenforo-threema-gateway
