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Push — develop ( 36c2b4...1d782e )
by nguereza
03:02
created

ApiAuthenticationMiddleware::process()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 13
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 3
eloc 5
c 1
b 0
f 0
nc 3
nop 2
dl 0
loc 13
rs 10
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<?php
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/**
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 * Platine Framework
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 *
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 * Platine Framework is a lightweight, high-performance, simple and elegant
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 * PHP Web framework
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 *
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 * This content is released under the MIT License (MIT)
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 *
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 * Copyright (c) 2020 Platine Framework
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, 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,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 */
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/**
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 *  @file ApiAuthenticationMiddleware.php
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 *
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 *  The API Authentication middleware class
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 *
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 *  @package    Platine\Framework\Auth\Middleware
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 *  @author Platine Developers team
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 *  @copyright  Copyright (c) 2020
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 *  @license    http://opensource.org/licenses/MIT  MIT License
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 *  @link   http://www.iacademy.cf
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 *  @version 1.0.0
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 *  @filesource
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 */
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declare(strict_types=1);
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namespace Platine\Framework\Auth\Middleware;
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use Platine\Config\Config;
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use Platine\Framework\Auth\ApiAuthenticationInterface;
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use Platine\Framework\Http\Response\RestResponse;
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use Platine\Http\Handler\MiddlewareInterface;
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use Platine\Http\Handler\RequestHandlerInterface;
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use Platine\Http\ResponseInterface;
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use Platine\Http\ServerRequestInterface;
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use Platine\Route\Route;
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/**
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 * @class ApiAuthenticationMiddleware
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 * @package Platine\Framework\Auth\Middleware
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 * @template T
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 */
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class ApiAuthenticationMiddleware implements MiddlewareInterface
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{
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    /**
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     * The Authentication instance
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     * @var ApiAuthenticationInterface
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     */
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    protected ApiAuthenticationInterface $authentication;
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    /**
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     * The configuration instance
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     * @var Config<T>
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     */
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    protected Config $config;
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    /**
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     * Create new instance
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     * @param ApiAuthenticationInterface $authentication
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     * @param Config<T> $config
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     */
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    public function __construct(
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        ApiAuthenticationInterface $authentication,
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        Config $config
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    ) {
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        $this->authentication = $authentication;
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        $this->config = $config;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function process(
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        ServerRequestInterface $request,
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        RequestHandlerInterface $handler
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    ): ResponseInterface {
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        if (!$this->shouldBeProcessed($request)) {
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            return $handler->handle($request);
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        }
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        if (!$this->authentication->isAuthenticated($request)) {
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            return $this->unauthorizedResponse();
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        }
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        return $handler->handle($request);
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    }
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    /**
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     * Whether we can process this request
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     * @param ServerRequestInterface $request
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     * @return bool
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     */
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    protected function shouldBeProcessed(ServerRequestInterface $request): bool
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    {
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        //If no route has been match no need check for authentication
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        /** @var ?Route $route */
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        $route = $request->getAttribute(Route::class);
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        if (!$route) {
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            return false;
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        }
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        //Check if the path match
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        $path = $this->config->get('api.auth.path', '/');
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        if (!preg_match('~^' . $path . '~', $route->getPattern())) {
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            return false;
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        }
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        //check if is url whitelist
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        $urls = $this->config->get('api.auth.url_whitelist', []);
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        foreach ($urls as $url) {
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            /*
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             * Route: /users/login, url: /users/login
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             * Route: /users/detail/{id}, url: /users/detail/
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             */
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            if (preg_match('~^' . $url . '~', $route->getPattern())) {
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                return false;
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            }
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        }
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        return true;
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    }
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    /**
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     * Return an unauthorized response
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     * @return ResponseInterface
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     */
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    protected function unauthorizedResponse(): ResponseInterface
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    {
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        return new RestResponse([], [], false, 4010, 'User is not authenticated', 401);
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    }
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}
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