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58 lines
1.3 KiB
58 lines
1.3 KiB
11 years ago
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\authclient\provider;
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use Yii;
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use yii\base\Exception;
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/**
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* Class OAuth2
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*
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* @author Paul Klimov <klimov.paul@gmail.com>
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* @since 2.0
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*/
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class OAuth2 extends \yii\authclient\OAuth2 implements ProviderInterface
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{
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use ProviderTrait;
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/**
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* @inheritdoc
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*/
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public function authenticate()
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{
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if (isset($_GET['error'])) {
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if ($_GET['error'] == 'access_denied') {
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// user denied error
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return $this->redirectCancel();
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} else {
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// request error
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if (isset($_GET['error_description'])) {
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$errorMessage = $_GET['error_description'];
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} elseif (isset($_GET['error_message'])) {
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$errorMessage = $_GET['error_message'];
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} else {
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$errorMessage = http_build_query($_GET);
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}
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throw new Exception('Auth error: ' . $errorMessage);
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}
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}
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// Get the access_token and save them to the session.
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if (isset($_GET['code'])) {
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$code = $_GET['code'];
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$token = $this->fetchAccessToken($code);
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if (!empty($token)) {
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$this->isAuthenticated = true;
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}
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} else {
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$url = $this->buildAuthUrl();
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return Yii::$app->getResponse()->redirect($url);
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}
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return $this->isAuthenticated;
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}
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}
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