mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-03 09:49:30 +02:00
f65076b93d
Even if we move away from php-gettext in the future, it's easy to write a quick T_() as a simple wrapper; it's not so easy to rewrite PHP to allow redeclaration of a function.
579 lines
13 KiB
PHP
579 lines
13 KiB
PHP
<?php
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/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
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/**
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* Access 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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* Access Class
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*
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* This class handles the access list mojo for Ampache, it is ment to restrict
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* access based on IP and maybe something else in the future
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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 Access {
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// Variables from DB
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/**
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* User ID
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*
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* @var integer
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*/
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public $id;
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/**
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*
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*/
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public $name;
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/**
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*
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*/
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public $start;
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/**
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*
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*/
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public $end;
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/**
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*
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*/
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public $level;
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/**
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*
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*/
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public $user;
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/**
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*
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*/
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public $type;
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/**
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*
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*/
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public $enabled;
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/**
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* constructor
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*
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* Takes an ID of the access_id dealie :)
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*
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* @param integer $access_id ID of the access_id
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* @return boolean
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*/
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public function __construct($access_id='') {
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if (!$access_id) { return false; }
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/* Assign id for use in get_info() */
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$this->id = intval($access_id);
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$info = $this->_get_info();
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foreach ($info as $key=>$value) {
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$this->$key = $value;
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}
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return true;
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} // Constructor
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/**
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* _get_info
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*
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* get's the vars for $this out of the database
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* Taken from the object
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*
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* @return resource
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*/
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private function _get_info() {
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/* Grab the basic information from the catalog and return it */
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$sql = "SELECT * FROM `access_list` WHERE `id`='" . Dba::escape($this->id) . "'";
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$db_results = Dba::read($sql);
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$results = Dba::fetch_assoc($db_results);
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return $results;
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} // _get_info
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/**
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* format
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*
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* This makes the Access object a nice fuzzy human readable object, spiffy ain't it.
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*
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* @return void
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*/
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public function format() {
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$this->f_start = inet_ntop($this->start);
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$this->f_end = inet_ntop($this->end);
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$this->f_user = $this->get_user_name();
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$this->f_level = $this->get_level_name();
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$this->f_type = $this->get_type_name();
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} // format
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/**
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* update
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*
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* This function takes a named array as a datasource and updates the current access list entry
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*
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* @param array $data xxx
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* @return boolean
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*/
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public function update($data) {
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/* We need to verify the incomming data a littlebit */
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$start = @inet_pton($data['start']);
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$end = @inet_pton($data['end']);
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if (!$start AND $data['start'] != '0.0.0.0' AND $data['start'] != '::') {
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Error::add('start', T_('Invalid IPv4 / IPv6 Address Entered'));
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return false;
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}
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if (!$end) {
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Error::add('end', T_('Invalid IPv4 / IPv6 Address Entered'));
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return false;
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}
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if (strlen(bin2hex($start)) != strlen(bin2hex($end))) {
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Error::add('start', T_('IP Address Version Mismatch'));
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Error::add('end', T_('IP Address Version Mismatch'));
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return false;
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}
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$name = Dba::escape($data['name']);
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$type = self::validate_type($data['type']);
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$start = Dba::escape(inet_pton($data['start']));
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$end = Dba::escape(inet_pton($data['end']));
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$level = Dba::escape($data['level']);
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$user = $data['user'] ? Dba::escape($data['user']) : '-1';
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$enabled = make_bool($data['enabled']) ? 1 : 0;
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$sql = "UPDATE `access_list` " .
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"SET `start`='$start', `end`='$end', `level`='$level', `user`='$user', " .
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"`name`='$name', `type`='$type',`enabled`='$enabled' WHERE `id`='" . Dba::escape($this->id) . "'";
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$db_results = Dba::write($sql);
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return true;
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} // update
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/**
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* create
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*
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* This takes a key'd array of data and trys to insert it as a
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* new ACL entry
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*
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* @param array $data xxx
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* @return boolean
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*/
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public static function create($data) {
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/* We need to verify the incomming data a littlebit */
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$start = @inet_pton($data['start']);
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$end = @inet_pton($data['end']);
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if (!$start AND $data['start'] != '0.0.0.0' AND $data['start'] != '::') {
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Error::add('start', T_('Invalid IPv4 / IPv6 Address Entered'));
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return false;
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}
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if (!$end) {
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Error::add('end', T_('Invalid IPv4 / IPv6 Address Entered'));
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return false;
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}
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if (strlen(bin2hex($start)) != strlen(bin2hex($end))) {
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Error::add('start', T_('IP Address Version Mismatch'));
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Error::add('end', T_('IP Address Version Mismatch'));
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return false;
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}
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// Check existing ACL's to make sure we're not duplicating values here
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if (self::exists($data)) {
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debug_event('ACL Create','Error: An ACL equal to the created one does already exist. Not adding another one: ' . $data['start'] . ' - ' . $data['end'],'1');
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Error::add('general', T_('Duplicate ACL defined'));
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return false;
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}
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$start = Dba::escape($start);
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$end = Dba::escape($end);
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$name = Dba::escape($data['name']);
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$user = $data['user'] ? Dba::escape($data['user']) : '-1';
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$level = intval($data['level']);
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$type = self::validate_type($data['type']);
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$enabled = make_bool($data['enabled']) ? 1 : 0;
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$sql = "INSERT INTO `access_list` (`name`,`level`,`start`,`end`,`user`,`type`,`enabled`) " .
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"VALUES ('$name','$level','$start','$end','$user','$type','$enabled')";
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$db_results = Dba::write($sql);
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return true;
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} // create
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/**
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* exists
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*
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* this sees if the ACL that we've specified already exists, prevent duplicates. This ignores the name
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*
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* @param array $data xxx
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* @return boolean
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*/
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public static function exists($data) {
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$start = Dba::escape(inet_pton($data['start']));
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$end = Dba::escape(inet_pton($data['end']));
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$type = self::validate_type($data['type']);
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$user = $data['user'] ? Dba::escape($data['user']) : '-1';
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$sql = "SELECT * FROM `access_list` WHERE `start`='$start' AND `end` = '$end' " .
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"AND `type`='$type' AND `user`='$user'";
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$db_results = Dba::read($sql);
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if (Dba::fetch_assoc($db_results)) {
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return true;
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}
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return false;
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} // exists
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/**
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* delete
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*
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* deletes the specified access_list entry
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*
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* @param integer $access_id xxx
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* @return void
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*/
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public static function delete($access_id) {
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$sql = "DELETE FROM `access_list` WHERE `id`='" . Dba::escape($access_id) . "'";
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$db_results = Dba::write($sql);
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} // delete
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/**
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* check_function
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*
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* This checks if a specific functionality is enabled
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* it takes a type only
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*
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* @param string $type check type xxx
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* @return mixed boolean or config
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*/
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public static function check_function($type) {
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switch ($type) {
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case 'download':
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return Config::get('download');
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break ;
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case 'batch_download':
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if (!function_exists('gzcompress')) {
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debug_event('gzcompress','ZLIB Extensions not loaded, batch download disabled','3');
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return false;
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}
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if (Config::get('allow_zip_download') AND $GLOBALS['user']->has_access('25')) {
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return Config::get('download');
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}
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break;
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default:
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return false;
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break;
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} // end switch
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} // check_function
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/**
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* check_network
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*
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* This takes a type, ip, user, level and key
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* and then returns true or false if they have access to this
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* the IP is passed as a dotted quad
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*
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* @param string $type Check type.
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* @param string $user User name.
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* @param integer $level Access level.
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* @param string $ip IP Address.
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* @return boolean
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*/
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public static function check_network($type, $user, $level, $ip=null) {
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if (!Config::get('access_control')) {
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switch ($type) {
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case 'interface':
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case 'stream':
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return true;
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break;
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default:
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return false;
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} // end switch
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} // end if access control is turned off
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// Clean incoming variables
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$ip = $ip
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? Dba::escape(inet_pton($ip))
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: Dba::escape(inet_pton($_SERVER['REMOTE_ADDR']));
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$user = Dba::escape($user);
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$level = Dba::escape($level);
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switch ($type) {
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case 'init-api':
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if ($user) {
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$user = User::get_from_username($user);
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$user = $user->id;
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}
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case 'api':
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$type = 'rpc';
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case 'network':
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case 'interface':
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case 'stream':
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break;
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default:
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return false;
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break;
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} // end switch on type
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$sql = 'SELECT `id` FROM `access_list` ' .
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"WHERE `start` <= '$ip' AND `end` >= '$ip' " .
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"AND `level` >= '$level' AND `type` = '$type'";
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if (strlen($user) && $user != '-1') {
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$sql .= " AND `user` IN('$user', '-1')";
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}
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else {
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$sql .= " AND `user` = '-1'";
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}
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$db_results = Dba::read($sql);
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if (Dba::fetch_row($db_results)) {
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// Yah they have access they can use the mojo
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return true;
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}
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return false;
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} // check_network
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/**
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* check_access
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* This is the global 'has_access' function it can check for any 'type'
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* of object.
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* Everything uses the global 0,5,25,50,75,100 stuff. GLOBALS['user'] is
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* always used.
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*/
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public static function check($type,$level) {
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if (Config::get('demo_mode')) { return true; }
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if (defined('INSTALL')) { return true; }
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$level = intval($level);
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// Switch on the type
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switch ($type) {
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case 'localplay':
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// Check their localplay_level
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if (Config::get('localplay_level') >= $level OR $GLOBALS['user']->access >= '100') {
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return true;
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}
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else {
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return false;
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}
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break;
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case 'interface':
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// Check their standard user level
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if ($GLOBALS['user']->access >= $level) {
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return true;
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}
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else {
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return false;
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}
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break;
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default:
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return false;
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break;
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} // end switch on type
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// Default false
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return false;
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} // check
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/**
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* validate_type
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* This cleans up and validates the specified type
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*/
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public static function validate_type($type) {
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switch($type) {
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case 'rpc':
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case 'interface':
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case 'network':
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return $type;
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break;
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case 'xml-rpc':
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return 'rpc';
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break;
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default:
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return 'stream';
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break;
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} // end switch
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} // validate_type
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/**
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* get_access_lists
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* returns a full listing of all access rules on this server
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*/
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public static function get_access_lists() {
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$sql = "SELECT `id` FROM `access_list`";
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$db_results = Dba::read($sql);
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$results = array();
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// Man this is the wrong way to do it...
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while ($row = Dba::fetch_assoc($db_results)) {
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$results[] = $row['id'];
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} // end while access list mojo
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return $results;
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} // get_access_lists
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/**
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* get_level_name
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* take the int level and return a named level
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*/
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public function get_level_name() {
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if ($this->level >= '75') {
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return T_('All');
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}
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if ($this->level == '5') {
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return T_('View');
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}
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if ($this->level == '25') {
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return T_('Read');
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}
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if ($this->level == '50') {
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return T_('Read/Write');
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}
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} // get_level_name
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/**
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* get_user_name
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* Take a user and return their full name
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*/
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public function get_user_name() {
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if ($this->user == '-1') { return T_('All'); }
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$user = new User($this->user);
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return $user->fullname . " (" . $user->username . ")";
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} // get_user_name
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/**
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* get_type_name
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* This function returns the pretty name for our current type
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*/
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public function get_type_name() {
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switch ($this->type) {
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case 'xml-rpc':
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case 'rpc':
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return T_('API/RPC');
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break;
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case 'network':
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return T_('Local Network Definition');
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break;
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case 'interface':
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return T_('Web Interface');
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break;
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case 'stream':
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default:
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return T_('Stream Access');
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break;
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} // end switch
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} // get_type_name
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/**
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* session_exists
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* This checks to see if the specified session of the specified type
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* exists, it also provides an array of key'd data that may be required
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* based on the type
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*/
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public static function session_exists($data,$key,$type) {
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// Switch on the type they pass
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switch ($type) {
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case 'api':
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$key = Dba::escape($key);
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$time = time();
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$sql = "SELECT * FROM `session_api` WHERE `id`='$key' AND `expire` > '$time'";
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$db_results = Dba::read($sql);
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if (Dba::num_rows($db_results)) {
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$time = $time + 3600;
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$sql = "UPDATE `session_api` WHERE `id`='$key' SET `expire`='$time'";
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$db_results = Dba::write($sql);
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return true;
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}
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return false;
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break;
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case 'stream':
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break;
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case 'interface':
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break;
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default:
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return false;
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break;
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} // type
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} // session_exists
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} //end of access class
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?>
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