53 lines
2.1 KiB
PHP
53 lines
2.1 KiB
PHP
<?php
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/**
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* Class for API_Key_management plugin
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* Contains the function to generate random Tokken
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*
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* @author shubham meena mentored by Matthew Lagoe
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*/
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class generate_key {
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/**
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* Static function to generate random token which is registerd with the user
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* to allow public access using this random token
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* It return different types of tokkens according to the parameters pass through it
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* like length , if standard chracter requires, if special character requires etc
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*/
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public static function randomToken( $len = 64, $output = 5, $standardChars = true, $specialChars = true, $chars = array() ) {
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$out = '';
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$len = intval( $len );
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$outputMap = array( 1 => 2, 2 => 8, 3 => 10, 4 => 16, 5 => 10 );
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if ( !is_array( $chars ) ) {
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$chars = array_unique( str_split( $chars ) );
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}
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if ( $standardChars ) {
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$chars = array_merge( $chars, range( 48, 57 ), range( 65, 90 ), range( 97, 122 ) );
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}
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if ( $specialChars ) {
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$chars = array_merge( $chars, range( 33, 47 ), range( 58, 64 ), range( 91, 96 ), range( 123, 126 ) );
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}
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array_walk( $chars, function( &$val ) {
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if ( !is_int( $val ) ) {
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$val = ord( $val ); }
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}
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);
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if ( is_int( $len ) ) {
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while ( $len ) {
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$tmp = ord( openssl_random_pseudo_bytes( 1 ) );
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if ( in_array( $tmp, $chars ) ) {
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if ( !$output || !in_array( $output, range( 1, 5 ) ) || $output == 3 || $output == 5 ) {
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$out .= ( $output == 3 ) ? $tmp : chr( $tmp );
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}
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else {
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$based = base_convert( $tmp, 10, $outputMap[$output] );
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$out .= ( ( ( $output == 1 ) ? '00' : ( ( $output == 4 ) ? '0x' : '' ) ) . ( ( $output == 2 ) ? sprintf( '%03d', $based ) : $based ) );
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}
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$len--;
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}
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}
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}
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return ( empty( $out ) ) ? false : $out;
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}
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}
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