<?php
/**
* Project: Distrubution License Class
* File: class.license.gen.php
*
* Copyright (C) 2005 Oliver Lillie
*
* 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
*
* @link http://www.buggedcom.co.uk/
* @link http://www.phpclasses.org/browse/package/2298.html
* @author Oliver Lillie, buggedcom <publicmail at buggedcom dot co dot uk>
* @version 0.5
* @history---------------------------------------------
* see CHANGELOG
*/
class license_architect extends license_application {
/**
* Constructor
*
* @access public
* @param $use_mcrypt boolean Determines if mcrypt encryption is used or
* not (defaults to true, however if mcrypt is not available, it
* is set to false)
* @param $use_time boolean Sets if time binding should be used in the
* key (defaults to true)
* @param $use_server boolean Sets if server binding should be used in
* the key (defaults to true)
* @param $allow_local boolean Sets if server binding is in use then
* localhost servers are valid (defaults to false)
**/
function license_architect($license_path='license.dat', $use_mcrypt=true, $use_time=true, $use_server=true, $allow_local=false)
{
# check to see if the class has been secured
$this->_check_secure();
$this->license_application($license_path, $use_mcrypt, $use_time, $use_server, $allow_local);
}
/**
* writeKey
*
* writes the key
*
* @access public
* @param $key string The key string
* @return boolean Returns boolean on success
**/
function writeKey($key)
{
# check to see if the class has been secured
$this->_check_secure();
# open the key file for writeing and truncate
$h = fopen($this->_LICENSE_PATH, 'w');
# if write fails return error
if(fwrite($h, $key) === false) return false;
# close file
fclose($h);
# return key
return true;
}
/**
* register_install
*
* registers the install with the home server and if registration is
* excepted it then generates and installs the key.
*
* @access public
* @param $domain string the domain to register the license to
* @param $start number the start time of the license, can be either
* the actuall time or the time span until the license is valid
* @param $expire_in number/string number of seconds untill the license
* expires after start, or 'NEVER' to never expire
* @param $data array Array that contains the info to be validated
* @param $dialhost string Host name of the server to be contacted
* @param $dialpath string Path of the script for the data to be sent to
* @param $dialport number Port Number to send the data through
* @return string Returns the encrypted install validation
**/
function register_install($domain, $start, $expire_in, $data, $dialhost, $dialpath, $dialport='80')
{
# check to see if the class has been secured
$this->_check_secure();
# check if key is alread generated
if(@filesize($this->_LICENSE_PATH) > 4) return array('RESULT'=>'KEY_EXISTS');
$data = array('DATA'=>$data);
# if the server matching is required then get the info
if($this->USE_SERVER)
{
# evaluate the supplied domain against the collected ips
if(!$this->_compare_domain_ip($domain, $this->_IPS)) return array('RESULT'=>'DOMAIN_IP_FAIL');
# check server uris
if(count($this->_SERVER_INFO) < $this->REQUIRED_URIS) return array('RESULT'=>'SERVER_FAIL');
$data['SERVER']['MAC'] = $this->_MAC;
$data['SERVER']['PATH'] = $this->_SERVER_INFO;
$data['SERVER']['IP'] = $this->_IPS;
$data['SERVER']['DOMAIN'] = $domain;
}
# if use time restrictions
if($this->USE_TIME)
{
$current = time();
$start = ($current < $start) ? $start : $current+$start;
# set the dates
$data['DATE']['START'] = $start;
if($expire_in == 'NEVER')
{
$data['DATE']['SPAN'] = '~';
$data['DATE']['END'] = 'NEVER';
}
else
{
$data['DATE']['SPAN'] = $expire_in;
$data['DATE']['END'] = $start+$expire_in;
}
}
# includethe id for requests
$data['ID'] = md5($this->ID2);
# post the data home
$data = $this->_post_data($dialhost, $dialpath, $data, $dialport);
# return the result and key if approved
return (empty($data['RESULT'])) ? array('RESULT'=>'SOCKET_FAILED') : $data;
}
/**
* generate
*
* generates the server key when the license class resides on the server
*
* @access public
* @param $domain string The domain to bind the license to.
* @param $start number The number of seconds untill the key is valid
* if the value is 0 then the current value given by time() is
* used as the start date.
* @param $expire_in number The number of seconds the key will be valid
* for (the default reverts to 31449600 - 1 year)
* @param $other_array array An array that can contain any other data you
* want to store in the key
* @return string key string
* @return string KEY_EXISTS - key has already been written and thus can't write
* DOMAIN_IP_FAIL - means the domain name supplied doesn't match the corresponding ip
* SERVER_FAIL - enough server vars failed to be found
**/
function generate($domain='', $start=0, $expire_in=31449600, $other_array=array())
{
# check to see if the class has been secured
$this->_check_secure();
# check if key is alread generated
if(@filesize($this->_LICENSE_PATH) > 4) return 'KEY_EXISTS';
# check if target exists
if(!@file_exists($this->_LICENSE_PATH) || !@is_file($this->_LICENSE_PATH)) return 'WRITE_TARGET_404';
# key file doesn't exist
if(!@is_writeable($this->_LICENSE_PATH)) return 'WRITE_TARGET_UNWRITEABLE';
# if the URIS returned are false it means that there has not been
# enough unique data returned by the $_SERVER so cannot generate key
if($this->_SERVER_INFO !== false || !$this->USE_SERVER)
{
# set the id
$DATA['ID'] = md5($this->ID1);
# set server binds
if($this->USE_SERVER)
{
# evaluate the supplied domain against the collected ips
if(!$this->_compare_domain_ip($domain, $this->_IPS)) return 'DOMAIN_IP_FAIL';
# set the domain
$DATA['SERVER']['DOMAIN'] = $domain;
# set the mac id
$DATA['SERVER']['MAC'] = $this->_MAC;
# set the server arrays
$DATA['SERVER']['PATH'] = $this->_SERVER_INFO;
# set the ip arrays
$DATA['SERVER']['IP'] = $this->_IPS;
}
# set time binds
if($this->USE_TIME && !is_array($start))
{
$current = time();
$start = ($current < $start) ? $start : $current+$start;
# set the dates
$DATA['DATE']['START'] = $start;
$DATA['DATE']['SPAN'] = $expire_in;
if($expire_in == 'NEVER')
{
$DATA['DATE']['END'] = 'NEVER';
}
else
{
$DATA['DATE']['END'] = $start+$expire_in;
}
}
# if start is array then it is the other array and time binding is not in use
# convert to other array
if(is_array($start))
{
$other_array = $start;
}
# set the server os
$other_array['_PHP_OS'] = PHP_OS;
# set the server os
$other_array['_PHP_VERSION'] = PHP_VERSION;
# merge the data with the other array
$DATA['DATA'] = $other_array;
# encrypt the key
$key = $this->_wrap_license($DATA);
# write the key
if(!$this->writeKey($key)) return 'WRITE_FAILED';
# return the key
return $key;
}
# no key can be generated so returns false
return 'SERVER_FAIL';
}
}
?>
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