第三方QQ登录 server-side

腾讯官方文档

申请appid和appkey的用途

appid：应用的唯一标识。在OAuth2.0认证过程中，appid的值即为oauth_consumer_key的值。

appkey：appid对应的密钥，访问用户资源时用来验证应用的合法性。在OAuth2.0认证过程中，appkey的值即为oauth_consumer_secret的值。

放置登录按钮

<a target="_self" href="https://graph.qq.com/oauth2.0/authorize?response_type=code&state=<?=$state?>&client_id=10000000&redirect_uri=User/loginqqback" >
<img border="0" alt="QQ登录" src="http://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png"></a>

参数说明

请求参数请包含如下内容：

如果用户成功登录并授权，则会跳转到指定的回调地址，并在redirect_uri地址后带上Authorization Code和原始的state值。

注意：此code会在10分钟内过期。

如果用户在登录授权过程中取消登录流程，登录页面直接关闭；

通过Authorization Code获取Access Token

https://graph.qq.com/oauth2.0/token

请求方法：

GET

请求参数：

请求参数请包含如下内容：

返回说明：

如果成功返回，即可在返回包中获取到Access Token。 如：

access_token=FE04************************CCE2&expires_in=7776000&refresh_token=88E4************************BE14

      public function loginqqback()
      {
        header("Content-type:text/html;charset=utf-8;");
        //应用的APPID
        $app_id = "10000000";
        //应用的APPKEY
        $app_secret = "e14caaa03902f39db45sadas57casdde9b2a6d3e";
        //成功授权后的回调地址
        $my_url = "/User/loginqqback";

        //Step1：获取Authorization Code
        session_start();
        $code = $_REQUEST["code"];
        if(empty($code))
        {
           //state参数用于防止CSRF攻击，成功授权后回调时会原样带回
           $_SESSION[‘state‘] = md5(uniqid(rand(), TRUE));
           //拼接URL    
           $dialog_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id="
              . $app_id . "&redirect_uri=" . urlencode($my_url) . "&state="
              . $_SESSION[‘state‘];
           echo("<script> top.location.href=‘" . $dialog_url . "‘</script>");
        }
       

        //Step2：通过Authorization Code获取Access Token
        if($_REQUEST[‘state‘] == $_SESSION[‘state‘])
        {
           //拼接URL  
           $token_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&"."client_id=".$app_id."&redirect_uri=".urlencode($my_url)."&client_secret=".$app_secret."&code=".$code;
           $response = $this->curl_http_request($token_url, $param, $http_method = ‘GET‘);
           if (strpos($response, "callback") !== false)
           {
              $lpos = strpos($response, "(");
              $rpos = strrpos($response, ")");
              $response  = substr($response, $lpos + 1, $rpos - $lpos -1);
              $msg = json_decode($response);
              
              if (isset($msg->error))
              {
                 echo "<h3>error:</h3>" . $msg->error;
                 echo "<h3>msg  :</h3>" . $msg->error_description;
                 exit;
              }
           }
           
 
           //Step3：使用Access Token来获取用户的OpenID
           $params = array();
           parse_str($response, $params);
           $graph_url = "https://graph.qq.com/oauth2.0/me?access_token=".$params[‘access_token‘];
           $str  =  $this->curl_http_request($graph_url, $param, $http_method = ‘GET‘);
           if (strpos($str, "callback") !== false)
           {
              $lpos = strpos($str, "(");
              $rpos = strrpos($str, ")");
              $str  = substr($str, $lpos + 1, $rpos - $lpos -1);
           }
           $user = json_decode($str);
           if (isset($user->error))
           {
              echo "<h3>error:</h3>" . $user->error;
              echo "<h3>msg  :</h3>" . $user->error_description;
              exit;
           }
          
            $qqopenid = trim($user->openid);
            $qqaccessToken = trim($params[‘access_token‘]);
            setcookie("qqaccessToken", $qqaccessToken, time()+3600,‘/‘);
            setcookie("qqopenid", $qqopenid, time()+3600,‘/‘);   
            
            
            if($rs = $this->Model->Table(‘member‘)->field(‘id,nickname‘)->where("qqopenid=‘$qqopenid‘")->find()){
                $_SESSION[‘username‘] = $rs[‘nickname‘];
                $_SESSION[‘user_id‘]  = $rs[‘id‘];
                setcookie("username", $rs[‘nickname‘], time()+3600,‘/‘);
                setcookie("user_id", $rs[‘id‘], time()+3600,‘/‘);
                $data[‘login_time‘] = date(‘Y-m-d H:i:s‘);
                $data[‘login_ip‘] = $_SERVER[‘REMOTE_ADDR‘];
                $this->Model->Table(‘member‘)->where("id={$_SESSION[‘user_id‘]}")->save($data);
                integral_operate($rs[‘id‘], ‘login‘);    //积分操作  
                redirect(‘/User/index‘); 
            }else{

                $getuser_url = "https://graph.qq.com/user/get_user_info?access_token=$qqaccessToken&openid=$qqopenid&oauth_consumer_key=$app_id&format=json";
                $str = $this->curl_http_request($getuser_url, $param, $http_method = ‘GET‘);
                $user = json_decode($str);
  
                redirect("/User/qqlogin?qqopenid=$qqopenid&qqaccessToken=$qqaccessToken&face=$user->figureurl_2&nickname=$user->nickname"); 
            }
          

        }
        else
        {
           echo("The state does not match. You may be a victim of CSRF.");
        }
          
          
      }

//绑定帐号操作

        public function userapi()
        {
            $qqopenid = $this->Model->Table(‘member‘)->where(‘id=‘.$_SESSION[‘user_id‘])->getField(‘qqopenid‘);
            $this->assign(‘qqopenid‘, $qqopenid);
            session_start();
            $state = $_SESSION[‘state‘] = md5(uniqid(rand(), TRUE));
            $this->assign(‘state‘, $state);
            $this->assign(‘usernav‘,‘userapi‘);
            $this->display(‘userapi‘);
        }

<div class="fl">
     <table class="user_right_table_info" style="margin-top:0; font-size: 14px;">
        <tr>
            <td class="txtalignright">绑定QQ帐号：</td>
                                <td>
                                    <if condition="$qqopenid eq ‘‘">
                                        <a target="_blank" href="https://graph.qq.com/oauth2.0/authorize?response_type=code&state={$state}&client_id=101078603&redirect_uri=/User/apiback">
                                            <img src="/Public/images/Connect_logo_1.png">&nbsp;<span style=‘color:red;‘>绑定</span><else />
                                            <img src="/Public/images/Connect_logo_1.png">&nbsp;<a href="/User/apiagreement">解除绑定</a>
                                        </a>
                                    </if>
                                </td>
        </tr>
    </table>
</div>

//解除绑定

      public function apiagreement()
      {
            $uid = $_SESSION[‘user_id‘];
            if($this->Model->Table(‘member‘)->where(‘id=‘.$uid)->save(array(‘qqopenid‘=>NULL)))
            {
                  setcookie("qqopenid", ‘‘, time()-3600,‘/‘);
                  unset($_COOKIE[‘qqopenid‘]);   
                  $this->success(‘解除绑定成功‘,‘/User/userapi‘); exit;
            }   

      }