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<?php
/*
Copyright (c) 2001 - 2006 Ampache.org
All Rights Reserved
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* Access Class
* This class handles the access list mojo for Ampache, it is ment to restrict
* access based on IP and maybe something else in the future
*/
class Access {
/* Variables from DB */
var $id;
var $name;
var $start;
var $end;
var $level;
var $user;
var $type;
var $key;
/*!
@function Access
@discussion Access class, for modifing access rights
@param $access_id The ID of access entry
*/
function Access($access_id = 0) {
if (!$access_id) { return false; }
/* Assign id for use in get_info() */
$this->id = intval($access_id);
$info = $this->get_info();
$this->name = $info->name;
$this->start = $info->start;
$this->end = $info->end;
$this->level = $info->level;
$this->key = $info->key;
$this->user = $info->user;
$this->type = $info->type;
return true;
} //Access
/*!
@function get_info
@discussion get's the vars for $this out of the database
@param $this->id Taken from the object
*/
function get_info() {
/* Grab the basic information from the catalog and return it */
$sql = "SELECT * FROM access_list WHERE id='" . sql_escape($this->id) . "'";
$db_results = mysql_query($sql, dbh());
$results = mysql_fetch_object($db_results);
return $results;
} //get_info
/**
* update
* This function takes a named array as a datasource and updates the current access list entry
*/
function update($data) {
$start = ip2int($data['start']);
$end = ip2int($data['end']);
$level = sql_escape($data['level']);
$user = sql_escape($data['user']);
$key = sql_escape($data['key']);
if (!$user) { $user = '-1'; }
$sql = "UPDATE access_list " .
"SET start='$start', end='$end', level='$level', user='$user' " .
"WHERE id='" . sql_escape($this->id) . "'";
$db_results = mysql_query($sql, dbh());
return true;
} // update
/*!
@function create
@discussion creates a new entry
*/
function create($name,$start,$end,$level,$user,$key,$type) {
/* We need to verify the incomming data a littlebit */
$start = ip2int($start);
$end = ip2int($end);
$name = sql_escape($name);
$key = sql_escape($key);
$user = sql_escape($user);
$level = intval($level);
$type = $this->validate_type($type);
if (!$user) { $user = '-1'; }
$sql = "INSERT INTO access_list (`name`,`level`,`start`,`end`,`key`,`user`,`type`) " .
"VALUES ('$name','$level','$start','$end','$key','$user','$type')";
$db_results = mysql_query($sql, dbh());
return true;
} // create
/*!
@function delete
@discussion deletes $this access_list entry
*/
function delete($access_id=0) {
if (!$access_id) {
$access_id = $this->id;
}
$sql = "DELETE FROM access_list WHERE id='" . sql_escape($access_id) . "'";
$db_results = mysql_query($sql, dbh());
} // delete
/*!
@function check
@discussion check to see if they have rights
*/
function check($type,$ip,$user,$level,$key='') {
// They aren't using access control
// lets just keep on trucking
if (!conf('access_control')) {
return true;
}
// Clean incomming variables
$ip = ip2int($ip);
$user = sql_escape($user);
$key = sql_escape($key);
$level = sql_escape($level);
switch ($type) {
/* This is here because we want to at least check IP before even creating the xml-rpc server
* however we don't have the key that was passed yet so we've got to do just ip
*/
case 'init-xml-rpc':
$sql = "SELECT id FROM access_list" .
" WHERE `start` <= '$ip' AND `end` >= '$ip' AND `type`='xml-rpc' AND `level` >= '$level'";
break;
case 'xml-rpc':
$sql = "SELECT id FROM access_list" .
" WHERE `start` <= '$ip' AND `end` >= '$ip'" .
" AND `key` = '$key' AND `level` >= '$level' AND `type`='xml-rpc'";
break;
case 'network':
case 'interface':
case 'stream':
default:
$sql = "SELECT id FROM access_list" .
" WHERE `start` <= '$ip' AND `end` >= '$ip'" .
" AND `level` >= '$level' AND `type` = '$type'";
if (strlen($user)) { $sql .= " AND (`user` = '$user' OR `user` = '-1')"; }
else { $sql .= " AND `user` = '-1'"; }
break;
} // end switch on type
$db_results = mysql_query($sql, dbh());
// Yah they have access they can use the mojo
if (mysql_fetch_row($db_results)) {
return true;
}
// No Access Sucks to be them.
else {
return false;
}
} // check
/**
* validate_type
* This cleans up and validates the specified type
*/
function validate_type($type) {
switch($type) {
case 'xml-rpc':
case 'interface':
case 'network':
return $type;
break;
default:
return 'stream';
break;
} // end switch
} // validate_type
/*!
@function get_access_list
@discussion returns a full listing of all access
rules on this server
*/
function get_access_list() {
$sql = "SELECT * FROM access_list";
$db_results = mysql_query($sql, dbh());
// Man this is the wrong way to do it...
while ($r = mysql_fetch_object($db_results)) {
$obj = new Access();
$obj->id = $r->id;
$obj->start = $r->start;
$obj->end = $r->end;
$obj->name = $r->name;
$obj->level = $r->level;
$obj->user = $r->user;
$obj->key = $r->key;
$obj->type = $r->type;
$results[] = $obj;
} // end while access list mojo
return $results;
} // get_access_list
/*!
@function get_level_name
@discussion take the int level and return a
named level
*/
function get_level_name() {
if ($this->level == '75') {
return "Read/Write/Modify";
}
if ($this->level == '5') {
return "View";
}
if ($this->level == '25') {
return "Read";
}
if ($this->level == '50') {
return "Read/Write";
}
} // get_level_name
/**
* get_user_name
* Take a user and return their full name
*/
function get_user_name() {
$user = new User($this->user);
if ($user->username) {
return $user->fullname . " (" . $user->username . ")";
}
return false;
} // get_user_name
/**
* get_type_name
* This function returns the pretty name for our current type
*/
function get_type_name() {
switch ($this->type) {
case 'xml-rpc':
return 'XML-RPC';
break;
case 'network':
return 'Local Network Definition';
break;
case 'interface':
return 'Web Interface';
break;
case 'stream':
default:
return 'Stream Access';
break;
} // end switch
} // get_type_name
} //end of access class
?>
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