b86088857a
This is a well isolated area of code, without functions that are likely to receive PHP's trademark "garbage in, garbage out" data as parameters. Capitalize on this and require strict types there. Change-Id: I9f1c172e737018d058ddc1700d8234832b58efa6
65 lines
1.8 KiB
PHP
65 lines
1.8 KiB
PHP
<?php
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/**
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* Implements the Pbkdf2Password class for the MediaWiki software.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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declare( strict_types = 1 );
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/**
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* A PBKDF2-hashed password
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*
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* This is a computationally complex password hash for use in modern applications.
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* The number of rounds can be configured by $wgPasswordConfig['pbkdf2']['cost'].
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*
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* @since 1.24
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*/
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class Pbkdf2Password extends ParameterizedPassword {
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protected function getDefaultParams() : array {
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return [
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'algo' => $this->config['algo'],
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'rounds' => $this->config['cost'],
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'length' => $this->config['length']
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];
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}
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protected function getDelimiter() : string {
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return ':';
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}
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public function crypt( string $password ) : void {
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if ( count( $this->args ) == 0 ) {
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$this->args[] = base64_encode( random_bytes( 16 ) );
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}
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$hash = hash_pbkdf2(
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$this->params['algo'],
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$password,
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base64_decode( $this->args[0] ),
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(int)$this->params['rounds'],
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(int)$this->params['length'],
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true
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);
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if ( !is_string( $hash ) ) {
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throw new PasswordError( 'Error when hashing password.' );
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}
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$this->hash = base64_encode( $hash );
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}
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}
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