增加社会化登录

extend/socialite/src/provider/AbstractProvider.php

@@ -0,0 +1,170 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2018/12/28
+ * Time: 11:50
+ */
+namespace thinking\socialite\provider;
+
+use GuzzleHttp\Client;
+use think\exception\HttpException;
+use think\exception\HttpResponseException;
+use think\facade\Session;
+use GuzzleHttp\ClientInterface;
+
+class AbstractProvider
+{
+    // 应用ID
+    protected $appId;
+    // 应用秘钥
+    protected $appSecret;
+    // 回调地址
+    protected $redirectUrl;
+    // scope
+    protected $scope;
+    // http 客户端
+    protected $httpClient = null;
+    // request
+    protected $request;
+
+    protected $clientIdKey = 'client_id';
+
+    public function __construct($appId = '', $appSecret='', $redirectUrl='', $scope = '')
+    {
+        $this->appId       = $appId;
+        $this->appSecret   = $appSecret;
+        $this->redirectUrl = $redirectUrl;
+        $this->scope       = $scope;
+        $this->request     = app('request');
+    }
+
+    protected function getHttpClient()
+    {
+        if (is_null($this->httpClient)) {
+            $this->httpClient = new Client();
+        }
+        return $this->httpClient;
+    }
+
+    /**
+     * oauth login
+     *
+     * @time at 2018年12月29日
+     * @return void
+     */
+    public function oauth()
+    {
+        if (!$this->request->get('code')) {
+            throw new HttpResponseException(redirect($this->authorizeUrl . '?' . http_build_query($this->createOauthParams())));
+        }
+    }
+
+    /**
+     * create oauth params
+     *
+     * @time at 2018年12月29日
+     * @return array
+     */
+    protected function createOauthParams()
+    {
+        return [
+            'response_type' => 'code',
+            $this->clientIdKey => $this->appId,
+            'redirect_uri'  => $this->redirectUrl,
+             'scope'        =>  $this->getScope(),
+            'state'         => $this->state(),
+        ];
+    }
+
+    /**
+     * set scope
+     *
+     * @time at 2018年12月29日
+     * @param $scope
+     * @return $this
+     */
+    public function setScope($scope)
+    {
+        $this->scope = $scope;
+
+        return $this;
+    }
+
+    /**
+     * get scope
+     *
+     * @time at 2018年12月29日
+     * @return string
+     */
+    protected function getScope()
+    {
+        return is_array($this->scope) ? trim(implode($this->scope), ',') : $this->scope;
+    }
+
+    /**
+     * get state
+     *
+     * @time at 2018年12月29日
+     * @return mixed
+     */
+    protected function getState()
+    {
+        $state = $this->request->session('state');
+
+        $this->request->session('state', null);
+
+        return $state;
+    }
+
+    /**
+     * check state
+     *
+     * @time at 2018年12月29日
+     * @return void
+     */
+    protected function checkState()
+    {
+        if ($this->request->param('state') != $this->getState()) {
+            throw new HttpException(401, 'Authorized login State verification failed, Please check it');
+        }
+    }
+
+    /**
+     * generate state
+     *
+     * @time at 2018年12月29日
+     * @return string
+     */
+    protected function state()
+    {
+        $state = md5(rand(1,100000));
+
+        Session::set('state', $state);
+
+        return $state;
+    }
+
+    /**
+     * get token params
+     *
+     * @time at 2018年12月29日
+     * @return array
+     */
+    protected function getTokenParams()
+    {
+        $this->checkState();
+
+        return [
+            'code'          => $this->request->get('code'),
+            'client_secret' => $this->appSecret,
+            $this->clientIdKey => $this->appId,
+            'redirect_uri'  => $this->redirectUrl,
+        ];
+    }
+
+    protected function getPostKey()
+    {
+        return (version_compare(ClientInterface::VERSION, '6') === 1) ? 'form_params' : 'body';
+    }
+}