0b7e2d0a5b
- Created complete documentation in docs/ directory - Added PROJECT_OVERVIEW.md with feature highlights and getting started guide - Added ARCHITECTURE.md with system design and technical details - Added SECURITY.md with comprehensive security implementation guide - Added DEVELOPMENT.md with development workflows and best practices - Added DEPLOYMENT.md with production deployment instructions - Added API.md with complete REST API documentation - Added CONTRIBUTING.md with contribution guidelines - Added CHANGELOG.md with version history and migration notes - Reorganized all documentation files into docs/ directory for better organization - Updated README.md with proper documentation links and quick navigation - Enhanced project structure with professional documentation standards
119 lines
5.1 KiB
PHP
119 lines
5.1 KiB
PHP
<?php
|
|
/*******************************************************************************************************************
|
|
| Software Name : EasyStream
|
|
| Software Description : High End YouTube Clone Script with Videos, Shorts, Streams, Images, Audio, Documents, Blogs
|
|
| Software Author : (c) Sami Ahmed
|
|
|*******************************************************************************************************************
|
|
|
|
|
|*******************************************************************************************************************
|
|
| This source file is subject to the EasyStream Proprietary License Agreement.
|
|
|
|
|
| By using this software, you acknowledge having read this Agreement and agree to be bound thereby.
|
|
|*******************************************************************************************************************
|
|
| Copyright (c) 2025 Sami Ahmed. All rights reserved.
|
|
|*******************************************************************************************************************/
|
|
|
|
defined('_ISVALID') or header('Location: /error');
|
|
|
|
class VIPrange
|
|
{
|
|
/*
|
|
* ip_in_range.php - Function to determine if an IP is located in a
|
|
* specific range as specified via several alternative
|
|
* formats.
|
|
*
|
|
* Network ranges can be specified as:
|
|
* 1. Wildcard format: 1.2.3.*
|
|
* 2. CIDR format: 1.2.3/24 OR 1.2.3.4/255.255.255.0
|
|
* 3. Start-End IP format: 1.2.3.0-1.2.3.255
|
|
*
|
|
* Return value BOOLEAN : ip_in_range($ip, $range);
|
|
*
|
|
* Copyright 2008: Paul Gregg <pgregg@pgregg.com>
|
|
* 10 January 2008
|
|
* Version: 1.2
|
|
*
|
|
* Source website: http://www.pgregg.com/projects/php/ip_in_range/
|
|
* Version 1.2
|
|
*
|
|
* This software is Donationware - if you feel you have benefited from
|
|
* the use of this tool then please consider a donation. The value of
|
|
* which is entirely left up to your discretion.
|
|
* http://www.pgregg.com/donate/
|
|
*
|
|
* Please do not remove this header, or source attibution from this file.
|
|
*/
|
|
|
|
// In order to simplify working with IP addresses (in binary) and their
|
|
// netmasks, it is easier to ensure that the binary strings are padded
|
|
// with zeros out to 32 characters - IP addresses are 32 bit numbers
|
|
public function decbin32($dec)
|
|
{
|
|
return str_pad(decbin($dec), 32, '0', STR_PAD_LEFT);
|
|
}
|
|
|
|
// This function takes 2 arguments, an IP address and a "range" in several
|
|
// different formats.
|
|
// Network ranges can be specified as:
|
|
// 1. Wildcard format: 1.2.3.*
|
|
// 2. CIDR format: 1.2.3/24 OR 1.2.3.4/255.255.255.0
|
|
// 3. Start-End IP format: 1.2.3.0-1.2.3.255
|
|
// The function will return true if the supplied IP is within the range.
|
|
// Note little validation is done on the range inputs - it expects you to
|
|
// use one of the above 3 formats.
|
|
public function ip_in_range($ip, $range)
|
|
{
|
|
if (strpos($range, '/') !== false) {
|
|
// $range is in IP/NETMASK format
|
|
list($range, $netmask) = explode('/', $range, 2);
|
|
if (strpos($netmask, '.') !== false) {
|
|
// $netmask is a 255.255.0.0 format
|
|
$netmask = str_replace('*', '0', $netmask);
|
|
$netmask_dec = ip2long($netmask);
|
|
return ((ip2long($ip) & $netmask_dec) == (ip2long($range) & $netmask_dec));
|
|
} else {
|
|
// $netmask is a CIDR size block
|
|
// fix the range argument
|
|
$x = explode('.', $range);
|
|
while (count($x) < 4) {
|
|
$x[] = '0';
|
|
}
|
|
|
|
list($a, $b, $c, $d) = $x;
|
|
$range = sprintf("%u.%u.%u.%u", empty($a) ? '0' : $a, empty($b) ? '0' : $b, empty($c) ? '0' : $c, empty($d) ? '0' : $d);
|
|
$range_dec = ip2long($range);
|
|
$ip_dec = ip2long($ip);
|
|
|
|
# Strategy 1 - Create the netmask with 'netmask' 1s and then fill it to 32 with 0s
|
|
#$netmask_dec = bindec(str_pad('', $netmask, '1') . str_pad('', 32-$netmask, '0'));
|
|
|
|
# Strategy 2 - Use math to create it
|
|
$wildcard_dec = pow(2, (32 - $netmask)) - 1;
|
|
$netmask_dec = ~$wildcard_dec;
|
|
|
|
return (($ip_dec & $netmask_dec) == ($range_dec & $netmask_dec));
|
|
}
|
|
} else {
|
|
// range might be 255.255.*.* or 1.2.3.0-1.2.3.255
|
|
if (strpos($range, '*') !== false) {
|
|
// a.b.*.* format
|
|
// Just convert to A-B format by setting * to 0 for A and 255 for B
|
|
$lower = str_replace('*', '0', $range);
|
|
$upper = str_replace('*', '255', $range);
|
|
$range = "$lower-$upper";
|
|
}
|
|
|
|
if (strpos($range, '-') !== false) {
|
|
// A-B format
|
|
list($lower, $upper) = explode('-', $range, 2);
|
|
$lower_dec = (float) sprintf("%u", ip2long($lower));
|
|
$upper_dec = (float) sprintf("%u", ip2long($upper));
|
|
$ip_dec = (float) sprintf("%u", ip2long($ip));
|
|
return (($ip_dec >= $lower_dec) && ($ip_dec <= $upper_dec));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|