87 lines
1.8 KiB
PHP
87 lines
1.8 KiB
PHP
<?php
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/**
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* @brief License Key Model - Standard
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @subpackage Nexus
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* @since 30 Apr 2014
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*/
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namespace IPS\nexus\Purchase\LicenseKey;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use IPS\nexus\Purchase\LicenseKey;
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use function chr;
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use function defined;
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use function in_array;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* License Key Model - Standard
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*/
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class Standard extends LicenseKey
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{
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/**
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* @brief Number of blocks
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*/
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protected static int $blocks = 5;
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/**
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* @brief Number of characters in a block
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*/
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protected static int $characters = 4;
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/**
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* @brief Lowest allowed ASCII number
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*/
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protected static int $low = 48; // 0
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/**
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* @brief Highest allowed ASCII number
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*/
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protected static int $high = 90; // Z
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/**
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* @brief Disallowed ASCII numbers
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*/
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protected static array $disallowed = array( 58, 59, 60, 61, 62, 63, 64 ); // Various non A-Z / 0-9 characters
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/**
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* @brief Seperator between blocks
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*/
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protected static string $seperator = '-';
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/**
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* Generates a License Key
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*
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* @return string
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*/
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public function generateKey() : string
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{
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$key = array();
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foreach ( range( 1, static::$blocks ) as $i )
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{
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$_k = '';
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foreach ( range( 1, static::$characters ) as $j )
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{
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do
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{
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$chr = rand( static::$low, static::$high );
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}
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while ( in_array( $chr, static::$disallowed ) );
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$_k .= chr( $chr );
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}
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$key[] = $_k;
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}
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return implode( static::$seperator, $key );
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}
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} |