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<?php |
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/** |
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* 2FA callback action for handeling text messages. |
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* |
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* @package ThreemaGateway |
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* @author rugk |
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* @copyright Copyright (c) 2015-2016 rugk |
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* @license MIT |
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*/ |
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class ThreemaGateway_Handler_Action_TfaCallback_TextMessage extends ThreemaGateway_Handler_Action_TfaCallback_Abstract |
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{ |
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/** |
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* @var int replace chars in the string |
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*/ |
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const FILTER_REPLACE = 1; |
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/** |
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* @var int regular expression match, can only succeed or fail |
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*/ |
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const FILTER_REGEX_MATCH = 10; |
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/** |
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* @var string text of Threema message |
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*/ |
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protected $msgText; |
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/** |
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* Prepare the message handling. Should be called before any other actions. |
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* |
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* @return bool |
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*/ |
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public function prepareProcessing() |
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{ |
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$this->msgText = trim($this->threemaMsg->getText()); |
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return true; |
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} |
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/** |
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* Filters the passed data/message. |
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* |
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* Returns "false" if the process should be canceled. Otherwise "true". |
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* |
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* @param int $filterType please use the constants FILTER_* |
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* @param mixed $filterData any data the filter uses |
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* @param bool $failOnError whether the filter should fail on errors (true) |
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* or silently ignore them (false) |
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* |
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* @throws XenForo_Exception |
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* @return bool |
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*/ |
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protected function applyFilter($filterType, $filterData, $failOnError = true) |
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{ |
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/** @var $success bool */ |
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$success = true; |
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switch ($filterType) { |
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case $this::FILTER_REPLACE: |
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$success = strtr($this->msgText, $filterData); |
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if (is_string($success)) { |
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$this->msgText = $success; |
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$success = true; |
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} else { |
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$success = false; |
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} |
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break; |
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case $this::FILTER_REGEX_MATCH: |
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$success = preg_match($filterData, $this->msgText); |
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break; |
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default: |
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throw new XenForo_Exception('Unknown filter type: ' . $filterType); |
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} |
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if ($failOnError && !$success) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Does all steps needed to do before processing data. |
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* |
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* Returns "false" if the process should be canceled. Otherwise "true". |
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* |
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* @throws XenForo_Exception |
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* @return bool |
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*/ |
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protected function preProcessPending() |
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{ |
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$this->log('Recognized ' . $this->name . ' (text message).'); |
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$this->log('[...]', 'Message text: ' . $this->msgText); |
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if (!parent::preProcessPending()) { |
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return false; |
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}; |
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} |
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/** |
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* Verifies & saves data for one confirm request. |
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* |
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* Returns "false" if the process should be canceled. Otherwise "true". |
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* |
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* @param array $processOptions please include 'saveKey' |
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* |
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* @return bool |
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*/ |
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protected function processConfirmRequest($confirmRequest, array $processOptions = []) |
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{ |
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if (!parent::processConfirmRequest($confirmRequest, $processOptions)) { |
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return false; |
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} |
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// save data |
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try { |
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$this->setDataForRequest($confirmRequest, [ |
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$processOptions['saveKey'] => $this->msgText |
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]); |
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} catch (Exception $e) { |
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$this->log('Could not save data for request.', $e->getMessage()); |
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} |
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// whether the code is the same as the requested one is verified in |
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// the actual 2FA provider (verifyFromInput) later |
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return true; |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.