Facebook登錄權限被拒絕

我試圖在我的網站上實現Facebook登錄，但我被卡在這裏。我需要用戶的電子郵件。我請求權限。如果權限授予一切都很好。如果按下「不立即」按鈕（權限被拒絕）並且他嘗試在網站上再次登錄，彈出的權限將不再顯示。如何爲不接受權限的用戶再次顯示「彈出窗口」？謝謝！Facebook登錄權限被拒絕

<?php 
if(!isset($_SESSION)) 
    { 
     session_start(); 
    } 
?> 

<?php 
require_once '/autoload.php'; 
use Facebook\FacebookSession; 
use Facebook\FacebookRedirectLoginHelper; 
use Facebook\FacebookRequest; 
use Facebook\FacebookResponse; 
use Facebook\FacebookSDKException; 
use Facebook\FacebookRequestException; 
use Facebook\FacebookAuthorizationException; 
use Facebook\GraphObject; 
use Facebook\Entities\AccessToken; 
use Facebook\HttpClients\FacebookCurlHttpClient; 
use Facebook\HttpClients\FacebookHttpable; 
// start session 

// init app with app id and secret 
FacebookSession::setDefaultApplication('12345','12345'); 

// login helper with redirect_uri 

    $helper = new FacebookRedirectLoginHelper('urlcallback'); 
try { 
    $session = $helper->getSessionFromRedirect(); 
} catch(FacebookRequestException $ex) { 
    // When Facebook returns an error 
} catch(Exception $ex) { 
    // When validation fails or other local issues 
} 

// see if we have a session 
if (isset($session)) { 
    // graph api request for user data 
    $request = new FacebookRequest($session, 'GET', '/me?fields=name,email'); 
    $response = $request->execute(); 
    // get response 
    $graphObject = $response->getGraphObject(); 

     $fbid = $graphObject->getProperty('id');    // To Get Facebook ID 
     $fbuname = $graphObject->getProperty('username'); // To Get Facebook Username 
     $fbfullname = $graphObject->getProperty('name'); // To Get Facebook full name 
     $femail = $graphObject->getProperty('email'); // To Get Facebook email ID 
    /* ---- Session Variables -----*/ 
     $_SESSION['FBID'] = $fbid;   
     $_SESSION['USERNAME'] = $fbuname; 
     $_SESSION['FULLNAME'] = $fbfullname; 
     $_SESSION['EMAIL'] = $femail; 
    echo '<pre>' . print_r($graphObject, 1) . '</pre>'; 
    //echo 'email:'.$femail; 
} else { 
    // show login url 
    echo '<a href="' . $helper->getLoginUrl(array('scope'=>'public_profile,email,user_friends')) . '">Login</a>'; 
} 

?>

來源

2017-10-21 Rus Sergiu

解決方案添加公共功能getLoginUrl：

$params['auth_type'] = 'rerequest';

來源

2017-10-21 13:19:52

Facebook登錄權限被拒絕

回答

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