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POfacebook is redirecting to my site outside of facebook
 

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  1. POfacebook is redirecting to my site outside of facebook
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    <p>I'm having trouble working with my redirect uri in the authentication.</p> <p>If i set it to my site, the user will authenticate, because <code>$_Request['code']</code> is set, but then the user will be on my site, and I don't want that</p> <p>If I redirect to apps.facebook.com/myapp, then <code>$_Request['code']</code> is not set, and the user won't authenticate, but just see a blank page.</p> <p>is there any way to do this in PHP, I have code running before the page is rendered.</p> <p>How do you guys solve this issue?</p> <p>my login function:</p> <pre><code>public static function login($redirect) { $app_id = AppInfo::appID(); $app_secret = AppInfo::appSecret(); $home = urlencode(AppInfo::getHome()); // See https://developers.facebook.com/docs/reference/api/permissions/ // for a full list of permissions $scope = 'user_photos,publish_stream'; session_start(); $code = $_REQUEST["code"]; // If we don't have a code returned from Facebook, the first step is to get if (empty($code)) { // CSRF protection - for more information, look at 'Security Considerations' // at 'https://developers.facebook.com/docs/authentication/' $state = md5(uniqid(rand(), TRUE)); setcookie( AppInfo::appID() . '-fb-app', $state, $expires = 0, $path = "", $domain = "", $secure = "", $httponly = true); // Now form the login URL that you will use to authorize your app $authorize_url = "https://www.facebook.com/dialog/oauth?client_id=$app_id" . "&amp;redirect_uri=$home&amp;state=" . $state . "&amp;scope=$scope"; // Now we redirect the user to the login page echo("&lt;script&gt; window.location.href='" . $authorize_url . "'&lt;/script&gt;"); return false; // Once we have that code, we can now request an access-token. We check to // ensure that the state has remained the same. } else if ($_REQUEST['state'] === $_COOKIE[AppInfo::appID() . '-fb-app']) { $ch = curl_init("https://graph.facebook.com/oauth/access_token"); curl_setopt($ch, CURLOPT_POSTFIELDS, "client_id=$app_id&amp;redirect_uri=$home&amp;client_secret=$app_secret" . "&amp;code=$code&amp;scope=$scope"); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $response = curl_exec($ch); // Once we get a response, we then parse it to extract the access token parse_str($response, $params); $token = $params['access_token']; return $token; // In the event that the two states do not match, we return false to signify // that something has gone wrong during authentication } else { echo("States do not match. CSRF?"); return false; } } </code></pre>
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    1. CO@mogulzalp is there any way to do this in php, I have code running before the page is rendered, that would mean less load time to the user
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      1. POfacebook is redirecting to my site outside of facebook
      1. USJakob
    2. CO@moguzalp - okay. Thank you for your answer though, it's the best I have so far :)
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    3. CO@Jakob can i see yur full code?? For what purpose yu are using that code??
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      1. USFelix
 

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