$id = preg_replace('/[^0-9 ]/i', '', $user_profile['id']);



    if (isset($_GET['unlink']) && iMEMBER) {

        dbquery("UPDATE " . DB_USERS . " SET user_oauth_uid='0' WHERE user_oauth_uid='" .

            $id . "'");

        redirect(BASEDIR . $settings['opening_page']);

    }

	

	if ($id == 0) {

		$loginUrl = $facebook->getLoginUrl() . "&scope={$scope}";

		redirect($loginUrl);

		die("Failed to retreive Facebook ID");

	}



    if ($user_profile['username']) {

        $user1 = $user_profile['username'];

    } else {

        $user1 = "";

        $user_profile['username'] = "";

    }

    if ($user_profile['email']) {

        $email1 = $user_profile['email'];

    } else {

        $email1 = "";

        $user_profile['email'] = "";

    }

    if (iGUEST) {

        $result = dbquery("SELECT user_id, user_salt, user_algo, user_oauth_uid FROM " .

            DB_USERS . "

WHERE user_oauth_uid='" . $id . "'  AND user_status='0' AND user_actiontime='0'

LIMIT 1");

        if (dbrows($result) == 1) {

            $user = dbarray($result);

            Authenticate::setUserCookie($user['user_id'], $user['user_salt'], "sha256", $remember, true);

            redirect(BASEDIR . $settings['opening_page']);

        } else {

            $action_url = FUSION_SELF . (FUSION_QUERY ? "?" . FUSION_QUERY : "");

            if (isset($_GET['redirect']) && strstr($_GET['redirect'], "/")) {

                $action_url = cleanurl(urldecode($_GET['redirect']));

            }

            echo "<div style='line-height:15px'>\n";

            echo "<img src='https://graph.facebook.com/" . $user .

                "/picture' style='float:left; margin:2px 5px 0 2px;' />";

            echo $user_profile['name'] . $locale['welcome'];

            echo "</div><br /><br />";



            echo "<table cellpadding='0' cellspacing='1' width='100%' class='tbl-border'>\n<tr>\n";

            echo "<td class='forum-caption' width='50%'>{$locale['new-account']}</td>\n";

            echo "<td class='forum-caption' width='50%'>{$locale['existing-account']}</td>\n";

            echo "</tr>\n<tr>\n";

            echo "<td class='tbl2' width='50%'>\n";

            $e = array();

            if (isset($_POST['register'])) {

                $username = stripinput(trim(preg_replace("/ +/i", " ", $_POST['user_name'])));

                $email = stripinput(trim(preg_replace("/ +/i", "", $_POST['user_email'])));

                $password1 = stripinput(trim(preg_replace("/ +/i", "", $_POST['password'])));

                $salt = sha1($password1, substr($password1, 12));

                $password = hash_hmac('sha256', $password1, $salt);



                if ($username == "" || $password1 == "" || $email == "" || $id == "") {

                    $e[] = $locale['e-1'];

                }

                if (!preg_match("/^[-0-9A-Z_@\s]+$/i", $username)) {

                    $e[] = $locale['e-2'];

                }

                if (!preg_match("/^[-0-9A-Z_\.]{1,50}@([-0-9A-Z_\.]+\.){1,50}([0-9A-Z]){2,4}$/i",

                    $email)) {

                    $e[] = $locale['e-3'];

                }

                if (dbcount("(user_id)", DB_USERS, "user_name='$username'") >= 1) {

                    $e[] = $locale['e-4'];

                }

                if (dbcount("(user_id)", DB_USERS, "user_email='$email'") >= 1) {

                    $e[] = $locale['e-5'];

                }

                if (dbcount("(user_id)", DB_USERS, "user_oauth_uid='$id'") >= 1) {

                    $e[] = $locale['e-6'];

                }



                if (empty($e)) {

                    $time = time();

                    $result = dbquery("INSERT INTO " . DB_USERS .

                        " (user_name, user_algo, user_salt, user_password, user_email, user_joined, user_oauth_uid) VALUES('$username', 'sha256', '$salt', '$password', '$email', '$time', '$id')");

                    if (!$result) {

                        echo $locale['reg-fail'];

                        $e2 = true;

                    } else {

                        echo "<br /><div style='text-align:center; font-weight:bold;'>{$locale['reg-suc']}</div><br />";

                        Authenticate::setUserCookie(mysql_insert_id(), $salt, "sha256", $remember, true);

                        echo "</td>\n";

                        echo "<td class='tbl2' width='50%'>\n";

                        echo "<br /><div style='text-align:center; font-weight:bold;'>{$locale['reg-leave']}</div><br />";

                        echo "</td>";

                        echo "</tr>\n</table>";

                        $e2 = false;

                    }

                }

            }

            if ($e2) {

                echo "<form name='registerform' method='post' action='" . $action_url . "'>\n";

                echo "<strong>{$locale['no-acc']}</strong><br /><br />\n";

                if (!empty($e)) {

                    echo "<div class='admin-message'>{$locale['errors']}</div>\n";

                    foreach ($e as $line) {

                        echo "<div class='block'>{$line}</div>";

                    }

                    echo "<br />\n";

                }

                echo "<strong>{$locale['d-user']}</strong><br />";

                echo "<input type='text' name='user_name' class='textbox' style='width:150px' value='" .

                    $user1 . "' /><br />";

                echo "<strong>{$locale['d-pass']}</strong><br />";

                echo "<input type='password' name='password' class='textbox' style='width:150px' /><br />";

                echo "<strong>{$locale['d-email']}</strong><br />";

                echo "<input type='text' name='user_email' class='textbox' style='width:150px' value='" .

                    $email1 . "' /><br /><br />";

                echo "<input type='submit' name='register' value='{$locale['register']}' class='button' style='margin-left:15px;' />";

                echo "</form>\n";

                echo "</td>\n";

                echo "<td class='tbl2' valign='middle' width='50%'>\n";

                echo "<form name='loginform' method='post' action='" . $action_url . "'>\n";

                echo "<strong>{$locale['a-acc']}</strong><br /><br />\n";

                echo "<strong>{$locale['username']}</strong><br />";

                echo "<input type='text' name='user_name' class='textbox' style='width:150px' /><br />";

                echo "<strong>{$locale['password']}</strong><br />";

                echo "<input type='password' name='user_pass' class='textbox' style='width:150px' /><br /><br />";

                echo "<input type='submit' name='login' value='{$locale['login']}' class='button' style='margin-left:15px;' />";

                echo "</form>\n";

                echo "</td>\n";

                echo "</tr>\n</table>";

            }

        }

    }



    if (iMEMBER) {

        $error = false;

        if (dbcount("(user_id)", DB_USERS, "user_oauth_uid='$id'") >= 1) {

            $error = true;

        }

        if ($error) {

            echo $locale['e-6'];

        } else {

            dbquery("UPDATE " . DB_USERS . " SET user_oauth_uid='" . $id .

                "' WHERE user_id='" . $userdata['user_id'] . "'");

            echo $locale['success'];

        }

    }

} else {

    

    /**

     * Having errors? Such as but not limited to the Redirect Loop? Un-comment the lines below.

     * Copy and paste all array information into the forums that your seeking support with.

     */

    

    //echo '<pre>'.htmlspecialchars(print_r($e, true)).'</pre>'; // Shows Errors (Redirect Loop Solution)

    //die();



    redirect($loginUrl);



}