index.php

<?php

/*

	# Copyright (C) 2017 Eduardo Nacimiento García <enacimie@ull.edu.es>
	This file is part of TinyULL.

    TinyULL is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    TinyULL is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
	
*/


    $request = $_SERVER['REQUEST_URI'];
    if (strpos($request, '?') !== FALSE) {
        $request = strstr($request, '?', true);
    }
    $params = preg_split("/\//", $request);


    require_once('./lib/connect.php');
    require_once('./lib/functions.php');
    
    require_once('./html/before.html');
  
 
    
    if ($params[1] != "")  {
        if ($params[1] == "list" && $params[2] == "all") {
            getAllItems($mysqli);    
        }
        elseif ($params[1] == "list") {
            $row = getOneItem($mysqli, $params[2]);
            showOneItem($row['shorturl'], $row['longurl']);
        }
        elseif ($params[1] == "add") {
            $tmp = $params;
            unset($tmp[1]);
            unset($tmp[0]);
            $tmp = implode('/', $tmp);
            $allowed_urls = get_allowed_urls();
            if (preg_match($allowed_urls, $tmp)) {
                addNewItem($mysqli, $tmp);
                ob_clean();
                header("Content-Type: text/plain");
                echo $tmp;
                exit();
            } 
            else {
                header("Location: ./", true, 301);
                exit();
            }
        }
        else {
            $result = getOneItem($mysqli, $params[1]);
            if ($result['longurl'] != '') {
                header("Location: ".$result['longurl'], true, 301);
                exit();
            }
            else {
                header("Location: ./", true, 301);
                exit();
            }
        }
    }
    elseif (isset($_POST['submit'])) {
        $allowed_urls = get_allowed_urls();
        if (preg_match($allowed_urls, $_POST['longurl'])) {
            addNewItem($mysqli);
        } else {
            header("Location: ./", true, 301);
            exit();
        }
    }
    elseif (isset($_POST['masivesubmit'])) {
        addMultipleItems($mysqli, $_POST['masiveurl']);
    }
    else {
       addNewItemForm($mysqli);
    }

    require_once('./html/after.html');

?>