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<?php |
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/** |
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* A two factor authentication module that protects both the admin and customer logins |
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* Copyright (C) 2017 Ross Mitchell |
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* |
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* This file is part of Rossmitchell/Twofactor. |
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* |
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* Rossmitchell/Twofactor is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace Rossmitchell\Twofactor\Model\Urls; |
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use Magento\Framework\UrlInterface; |
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/** |
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* Class Checker |
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* |
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* This is used as a way to check is a user is on a certain page. It provides semantic names for this and the ability |
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* to check either customer or admin users |
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*/ |
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class Checker |
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{ |
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/** |
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* @var Fetcher |
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*/ |
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private $fetcher; |
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/** |
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* @var UrlInterface |
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*/ |
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private $url; |
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/** |
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* Checker constructor. |
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* @param Fetcher $fetcher |
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* @param UrlInterface $url |
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*/ |
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public function __construct(Fetcher $fetcher, UrlInterface $url) |
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{ |
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$this->fetcher = $fetcher; |
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$this->url = $url; |
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} |
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/** |
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* Checks if the user is currently on the two factor authentication page. Can be used to check both customers and |
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* admin users. |
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* |
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* @param bool $forAdmin - true to check for admin users, false to check for customers |
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* @return bool |
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*/ |
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public function areWeOnTheAuthenticationPage($forAdmin = false) |
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{ |
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$authenticationUrl = $this->fetcher->getAuthenticationUrl($forAdmin); |
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return $this->compareUrls($this->getCurrentUrl(), $authenticationUrl); |
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} |
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/** |
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* Checks if the user is currently on the two factor verification page. Can be used to check both customers and |
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* admin users. |
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* |
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* @param bool $forAdmin - true to check for admin users, false to check for customers |
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* @return bool |
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*/ |
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public function areWeOnTheVerificationPage($forAdmin = false) |
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{ |
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$verificationUrl = $this->fetcher->getVerificationUrl($forAdmin); |
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return $this->compareUrls($this->getCurrentUrl(), $verificationUrl); |
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} |
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/** |
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* Returns the current URL |
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* |
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* @return string |
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*/ |
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private function getCurrentUrl() |
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{ |
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return $this->url->getCurrentUrl(); |
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} |
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/** |
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* Compares two URLs. |
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* |
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* @param $firstUrl |
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* @param $secondUrl |
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* @return bool |
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*/ |
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private function compareUrls($firstUrl, $secondUrl) |
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{ |
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return ($this->cleanUrl($firstUrl) === $this->cleanUrl($secondUrl)); |
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} |
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/** |
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* This is used normalise the URLs to a known structure and remove any trailing characters that could prevent them |
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* from getting checked correctly. |
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* |
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* For these checks I'm not that conceded if the customer is using http or https so we strip that out. Equally I'm |
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* not worried about ports, or query params so they are removed as well |
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* |
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* @param $url |
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* @return string |
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*/ |
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private function cleanUrl($url) |
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{ |
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$parts = parse_url($url); |
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$cleanUrl = $parts['host'] . '/' . $parts['path']; |
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$noRewriteUrl = str_replace('/index.php', '', $cleanUrl); |
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return trim($noRewriteUrl, '\t\n\r/'); |
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} |
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} |
rossmitchell /
module-twofactor
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