QQ登录api

  1 <?php
  2 namespace Api\Member;
  3 class QQConnect{
  4      /**
  5      * 获取QQconnect Login 跳转到的地址值
  6      * @return array 返回包含code state
  7      *
  8 **/
  9  public function login($app_id, $callback, $scope){
 10         $_SESSION[‘state‘] = md5(uniqid(rand(), TRUE)); //CSRF protection
 11         $login_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id="
 12             .$app_id. "&redirect_uri=" . urlencode($callback)
 13             . "&state=" . $_SESSION[‘state‘]
 14             . "&scope=".urlencode($scope);
 15 //显示出登录地址
 16          header(‘Location:‘.$login_url);
 17     }
 18     /**
 19      * 获取access_token值
 20      * @return array 返回包含access_token,过期时间的数组
 21      * */
 22 private function get_token($app_id,$app_key,$code,$callback,$state){
 23         if($state !== $_SESSION[‘state‘]){
 24 return false;
 25 exit();
 26         }
 27            $url = "https://graph.qq.com/oauth2.0/token";
 28             $param = array(
 29                 "grant_type"    =>    "authorization_code",
 30                 "client_id"     =>    $app_id,
 31                 "client_secret" =>    $app_key,
 32                 "code"          =>    $code,
 33                 "state"         =>    $state,
 34                 "redirect_uri"  =>    $callback
 35             );
 36             $response = $this->get_url($url, $param);
 37             if($response == false) {
 38                 return false;
 39             }
 40             $params = array();
 41             parse_str($response, $params);
 42             return $params["access_token"];
 43 }
 44
 45     /**
 46      * 获取client_id 和 openid
 47      * @param $access_token access_token验证码
 48      * @return array 返回包含 openid的数组
 49      * */
 50     private  function get_openid($access_token) {
 51         $url = "https://graph.qq.com/oauth2.0/me";
 52         $param = array(
 53             "access_token"    => $access_token
 54         );
 55         $response  = $this->get_url($url, $param);
 56         if($response == false) {
 57             return false;
 58         }
 59         if (strpos($response, "callback") !== false) {
 60             $lpos = strpos($response, "(");
 61             $rpos = strrpos($response, ")");
 62             $response  = substr($response, $lpos + 1, $rpos - $lpos -1);
 63         }
 64         $user = json_decode($response);
 65         if (isset($user->error) || $user->openid == "") {
 66             return false;
 67         }
 68         return $user->openid;
 69     }
 70     /**
 71      * 获取用户信息
 72      * @param $client_id
 73      * @param $access_token
 74      * @param $openid
 75      * @return array 用户的信息数组
 76      * */
 77     public function get_user_info($app_id,$token,$openid){
 78 $url = ‘https://graph.qq.com/user/get_user_info?oauth_consumer_key=‘.$app_id.‘&access_token=‘.$token.‘&openid=‘.$openid.‘&format=json‘;
 79         $str = $this->get_url($url);
 80         if($str == false) {
 81         return false;
 82         }
 83         $arr = json_decode($str,true);
 84         return $arr;
 85 }
 86
 87      /**
 88      * 请求URL地址，返回callback得到返回字符串
 89      * @param $url qq提供的api接口地址
 90      * */
 91
 92     public function callback($app_id, $app_key, $callback) {
 93     $code = $_GET[‘code‘];
 94     $state = $_GET[‘state‘];
 95     $token = $this->get_token($app_id,$app_key,$code,$callback,$state);
 96     $openid = $this->get_openid($token);
 97     if(!$token || !$openid) {
 98     return false;
 99     exit();
100     }
101        return array(‘openid‘ => $openid, ‘token‘ => $token);
102     }
103
104
105     /*
106      * HTTP GET Request
107     */
108     private  function get_url($url, $param = null) {
109     if($param != null) {
110     $query = http_build_query($param);
111     $url = $url . ‘?‘ . $query;
112     }
113     $ch = curl_init();
114     if(stripos($url, "https://") !== false){
115     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
116     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
117     }
118
119     curl_setopt($ch, CURLOPT_URL, $url);
120     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
121     $content = curl_exec($ch);
122     $status = curl_getinfo($ch);
123     curl_close($ch);
124     if(intval($status["http_code"]) == 200) {
125     return $content;
126     }else{
127     echo $status["http_code"];
128     return false;
129     }
130     }
131
132     /*
133      * HTTP POST Request
134     */
135     private  function post_url($url, $params) {
136     $ch = curl_init();
137     if(stripos($url, "https://") !== false) {
138     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
139     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
140     }
141
142     curl_setopt($ch, CURLOPT_URL, $url);
143     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
144     curl_setopt($ch, CURLOPT_POST, true);
145     curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
146     $content = curl_exec($ch);
147     $status = curl_getinfo($ch);
148     curl_close($ch);
149     if(intval($status["http_code"]) == 200) {
150     return $content;
151     } else {
152     return false;
153     }
154     }
155 }