detect_facebook.php

<?php

require 'facebook.php';

if (isset($_SESSION['fb_277467322296156_user_id'])) {

    $facebook = new Facebook( array('appId' => '**APPID', 'secret' => '**SECRETID***', ));
    $user = $facebook -> getUser();

    if ($user) {
        try {
            // Proceed knowing you have a logged in user who's authenticated.
            $user_profile = $facebook -> api('/me');
        } catch (FacebookApiException $e) {
            error_log($e);
            $user = null;
        }
    }
    $femail = $user_profile['email'];
    $fname = $user_profile['name'];
    $fname = htmlentities(strip_tags($fname), ENT_COMPAT, "UTF-8");
    $femail = htmlentities(strip_tags($femail), ENT_COMPAT, "UTF-8");
    $fsex = $user_profile['gender'];
    $fsex = htmlentities(strip_tags($fsex), ENT_COMPAT, "UTF-8");
    if ($fsex == "male") {
        $ag = "1";
    } else {
        $ag = "0";
    }

    $ffirstname = $user_profile['first_name'];
    $flastname = $user_profile['last_name'];

    $date = explode('/', $user_profile['birthday']);
    $fbirthday = $date[2] . "/" . $date[0] . "/" . $date[1];

    $fcity = $user_profile['hometown']['name'];

    $query = "SELECT USERID FROM members WHERE email='" . mysql_real_escape_string($femail) . "' limit 1";
    $executequery = $conn -> execute($query);
    $FUID = intval($executequery -> fields['USERID']);
    if ($FUID > 0) {
        $query = "SELECT USERID,email,username,verified,gender from members WHERE USERID='" . mysql_real_escape_string($FUID) . "' and status='1'";
        $result = $conn -> execute($query);
        if ($result -> recordcount() > 0) {
            $query = "update members set lastlogin='" . time() . "', lip='" . $_SERVER['REMOTE_ADDR'] . "' WHERE USERID='" . mysql_real_escape_string($FUID) . "'";
            $conn -> execute($query);

            $_SESSION['USERID'] = $result -> fields['USERID'];
            $_SESSION['EMAIL'] = $result -> fields['email'];
            $_SESSION['USERNAME'] = $result -> fields['username'];
            $_SESSION['VERIFIED'] = $result -> fields['verified'];
            $_SESSION['GENDER'] = $result -> fields['gender'];
            $_SESSION['FB'] = "1";

        }
    } else {
        $md5pass = md5(generateCode(5) . time());

        if ($fname != "" && $femail != "") {

            $query = "INSERT INTO members SET email='" . mysql_real_escape_string($femail) . "',birthday='" . mysql_real_escape_string($fbirthday) . "',city='" . mysql_real_escape_string($fcity) . "',username='" . mysql_real_escape_string($fname) . "',firstname='" . mysql_real_escape_string($ffirstname) . "',lastname='" . mysql_real_escape_string($flastname) . "', password='" . mysql_real_escape_string($md5pass) . "', addtime='" . time() . "', lastlogin='" . time() . "', ip='" . $_SERVER['REMOTE_ADDR'] . "', lip='" . $_SERVER['REMOTE_ADDR'] . "', verified='1', gender='" . $ag . "'";
            $result = $conn -> execute($query);
            $userid = mysql_insert_id();
            if ($userid != "" && is_numeric($userid) && $userid > 0) {

                $query = "SELECT USERID,email,username,verified,gender from members WHERE USERID='" . mysql_real_escape_string($userid) . "'";
                $result = $conn -> execute($query);

                $_SESSION['USERID'] = $result -> fields['USERID'];
                $_SESSION['EMAIL'] = $result -> fields['email'];
                $_SESSION['USERNAME'] = $result -> fields['username'];
                $_SESSION['VERIFIED'] = $result -> fields['verified'];
                $_SESSION['SGENDER'] = $result -> fields['gender'];
                $_SESSION['FB'] = "1";

                $url = "http://graph.facebook.com/$user/picture?type=large";
                $sourceFilePath = CurlHelper::downloadFile($url, array('followLocation' => true, 'maxRedirs' => 5, ));

                $theimageinfo = getimagesize($sourceFilePath);
                $thepp = $_SESSION['USERID'];

                if ($theimageinfo[2] == 1) {
                    $thepp .= ".gif";
                } elseif ($theimageinfo[2] == 2) {
                    $thepp .= ".jpg";
                } elseif ($theimageinfo[2] == 3) {
                    $thepp .= ".png";
                }

                $myvideoimgnew = $config['membersprofilepicdir'] . "/" . $thepp;

                $thumb = PhpThumbFactory::create($sourceFilePath);

                //on save tel quel
                $thumb -> save($myvideoimgnew);
                //on redimensionne la photo
                $thumb -> resize(100, 100);
                // save dans le bon rep
                $tothumbdir = $config['membersprofilepicdir'] . "/thumbs/" . $thepp;
                $thumb -> save($tothumbdir);

                if (file_exists($config['membersprofilepicdir'] . "/" . $thepp)) {
                    $query = "UPDATE members SET profilepicture='$thepp' WHERE USERID='" . mysql_real_escape_string($_SESSION['USERID']) . "'";
                    $conn -> execute($query);
                } else {
                    $error = "$lang[135]";
                }

            }
        }
    }
} else {
    $params = array(scope => 'email, user_birthday');

    $loginUrl = $facebook -> getLoginUrl($params);
    $loginLien = "<a href='$loginUrl'><img id='fb_login_image' src='http://static.ak.fbcdn.net/images/fbconnect/login-buttons/connect_light_medium_short.gif' alt='Login Facebook'/></a>";

    STemplate::assign('loginFB', $loginLien);

}
?>

<h3>PHP Session</h3>
<pre><?php print_r($_SESSION);?></pre>