mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-03 17:59:21 +02:00
4aa256cb07
Remove misleading, unvetted, or in some cases just plain wrong data. Packages and categories weren't being used correctly. They still aren't.
135 lines
3.4 KiB
PHP
135 lines
3.4 KiB
PHP
<?php
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/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
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/**
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* Core Class
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*
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*
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* LICENSE: GNU General Public License, version 2 (GPLv2)
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* Copyright (c) 2001 - 2011 Ampache.org All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License v2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* @package Ampache
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* @copyright 2001 - 2011 Ampache.org
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* @license http://opensource.org/licenses/gpl-2.0 GPLv2
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* @link http://www.ampache.org/
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*/
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/**
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* Core Class
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*
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* This is really just a namespace class, it's full of static functions
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* would be replaced by a namespace library once that exists in php
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*
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* @package Ampache
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* @copyright 2001 - 2011 Ampache.org
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* @license http://opensource.org/licenses/gpl-2.0 GPLv2
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* @link http://www.ampache.org/
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*/
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class Core {
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/**
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* constructor
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* This doesn't do anything
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*/
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private function __construct() {
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return false;
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} // construction
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/**
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* form_register
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* This registers a form with a SID, inserts it into the session variables
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* and then returns a string for use in the HTML form
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*/
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public static function form_register($name,$type='post') {
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// Make ourselves a nice little sid
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$sid = md5(uniqid(rand(), true));
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// Register it
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$_SESSION['forms'][$name] = array('sid'=>$sid,'expire'=>time() + Config::get('session_length'));
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switch ($type) {
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default:
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case 'post':
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$string = '<input type="hidden" name="form_validation" value="' . $sid . '" />';
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break;
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case 'get':
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$string = $sid;
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break;
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} // end switch on type
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return $string;
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} // form_register
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/**
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* form_verify
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* This takes a form name and then compares it with the posted sid, if they don't match
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* then it returns false and doesn't let the person continue
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*/
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public static function form_verify($name,$method='post') {
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switch ($method) {
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case 'post':
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$source = $_POST['form_validation'];
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break;
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case 'get':
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$source = $_GET['form_validation'];
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break;
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case 'cookie':
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$source = $_COOKIE['form_validation'];
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break;
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case 'request':
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$source = $_REQUEST['form_validation'];
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break;
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}
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if ($source == $_SESSION['forms'][$name]['sid'] AND $_SESSION['forms'][$name]['expire'] > time()) {
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unset($_SESSION['forms'][$name]);
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return true;
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}
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unset($_SESSION['forms'][$name]);
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return false;
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} // form_verify
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/**
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* image_dimensions
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* This returns the dimensions of the passed song of the passed type
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* returns an empty array if PHP-GD is not currently installed, returns
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* false on error
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*/
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public static function image_dimensions($image_data) {
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if (!function_exists('ImageCreateFromString')) { return false; }
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$image = ImageCreateFromString($image_data);
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if (!$image) { return false; }
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$width = imagesx($image);
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$height = imagesy($image);
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if (!$width || !$height) { return false; }
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return array('width'=>$width,'height'=>$height);
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} // image_dimensions
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} // Core
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?>
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