添加网站文件

vendor/overtrue/socialite/src/Providers/FacebookProvider.php

@@ -0,0 +1,168 @@
+<?php
+
+/*
+ * This file is part of the overtrue/socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Overtrue\Socialite\Providers;
+
+use Overtrue\Socialite\AccessTokenInterface;
+use Overtrue\Socialite\ProviderInterface;
+use Overtrue\Socialite\User;
+
+/**
+ * Class FacebookProvider.
+ *
+ * @see https://developers.facebook.com/docs/graph-api [Facebook - Graph API]
+ */
+class FacebookProvider extends AbstractProvider implements ProviderInterface
+{
+    /**
+     * The base Facebook Graph URL.
+     *
+     * @var string
+     */
+    protected $graphUrl = 'https://graph.facebook.com';
+
+    /**
+     * The Graph API version for the request.
+     *
+     * @var string
+     */
+    protected $version = 'v3.3';
+
+    /**
+     * The user fields being requested.
+     *
+     * @var array
+     */
+    protected $fields = ['first_name', 'last_name', 'email', 'gender', 'verified'];
+
+    /**
+     * The scopes being requested.
+     *
+     * @var array
+     */
+    protected $scopes = ['email'];
+
+    /**
+     * Display the dialog in a popup view.
+     *
+     * @var bool
+     */
+    protected $popup = false;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthUrl($state)
+    {
+        return $this->buildAuthUrlFromBase('https://www.facebook.com/'.$this->version.'/dialog/oauth', $state);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getTokenUrl()
+    {
+        return $this->graphUrl.'/oauth/access_token';
+    }
+
+    /**
+     * Get the access token for the given code.
+     *
+     * @param string $code
+     *
+     * @return \Overtrue\Socialite\AccessToken
+     */
+    public function getAccessToken($code)
+    {
+        $response = $this->getHttpClient()->get($this->getTokenUrl(), [
+            'query' => $this->getTokenFields($code),
+        ]);
+
+        return $this->parseAccessToken($response->getBody());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getUserByToken(AccessTokenInterface $token)
+    {
+        $appSecretProof = hash_hmac('sha256', $token->getToken(), $this->getConfig()->get('client_secret'));
+
+        $response = $this->getHttpClient()->get($this->graphUrl.'/'.$this->version.'/me?access_token='.$token.'&appsecret_proof='.$appSecretProof.'&fields='.implode(',', $this->fields), [
+            'headers' => [
+                'Accept' => 'application/json',
+            ],
+        ]);
+
+        return json_decode($response->getBody(), true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function mapUserToObject(array $user)
+    {
+        $userId = $this->arrayItem($user, 'id');
+        $avatarUrl = $this->graphUrl.'/'.$this->version.'/'.$userId.'/picture';
+
+        $firstName = $this->arrayItem($user, 'first_name');
+        $lastName = $this->arrayItem($user, 'last_name');
+
+        return new User([
+            'id' => $this->arrayItem($user, 'id'),
+            'nickname' => null,
+            'name' => $firstName.' '.$lastName,
+            'email' => $this->arrayItem($user, 'email'),
+            'avatar' => $userId ? $avatarUrl.'?type=normal' : null,
+            'avatar_original' => $userId ? $avatarUrl.'?width=1920' : null,
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCodeFields($state = null)
+    {
+        $fields = parent::getCodeFields($state);
+
+        if ($this->popup) {
+            $fields['display'] = 'popup';
+        }
+
+        return $fields;
+    }
+
+    /**
+     * Set the user fields to request from Facebook.
+     *
+     * @param array $fields
+     *
+     * @return $this
+     */
+    public function fields(array $fields)
+    {
+        $this->fields = $fields;
+
+        return $this;
+    }
+
+    /**
+     * Set the dialog to be displayed as a popup.
+     *
+     * @return $this
+     */
+    public function asPopup()
+    {
+        $this->popup = true;
+
+        return $this;
+    }
+}