5357695270
composer: * mediawiki/mediawiki-codesniffer: 36.0.0 → 37.0.0 The following sniffs now pass and were enabled: * Generic.ControlStructures.InlineControlStructure * MediaWiki.PHPUnit.AssertCount.NotUsed npm: * svgo: 2.3.0 → 2.3.1 * https://npmjs.com/advisories/1754 (CVE-2021-33587) Change-Id: I2a9bbee2fecbf7259876d335f565ece4b3622426
102 lines
2.6 KiB
PHP
102 lines
2.6 KiB
PHP
<?php
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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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* Implements Argon2, a modern key derivation algorithm designed to resist GPU cracking and
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* side-channel attacks.
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*
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* @see https://en.wikipedia.org/wiki/Argon2
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*/
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class Argon2Password extends Password {
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/**
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* @var null[] Array with known password_hash() option names as keys
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*/
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private const KNOWN_OPTIONS = [
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'memory_cost' => null,
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'time_cost' => null,
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'threads' => null,
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];
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/**
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* @inheritDoc
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*/
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protected function isSupported(): bool {
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// It is actually possible to have a PHP build with Argon2i but not Argon2id
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return defined( 'PASSWORD_ARGON2I' ) || defined( 'PASSWORD_ARGON2ID' );
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}
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/**
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* @return mixed[] Array of 2nd and third parmeters to password_hash()
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*/
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private function prepareParams(): array {
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switch ( $this->config['algo'] ) {
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case 'argon2i':
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$algo = PASSWORD_ARGON2I;
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break;
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case 'argon2id':
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$algo = PASSWORD_ARGON2ID;
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break;
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case 'auto':
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$algo = defined( 'PASSWORD_ARGON2ID' ) ? PASSWORD_ARGON2ID : PASSWORD_ARGON2I;
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break;
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default:
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throw new LogicException( "Unexpected algo: {$this->config['algo']}" );
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}
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$params = array_intersect_key( $this->config, self::KNOWN_OPTIONS );
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return [ $algo, $params ];
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}
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/**
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* @inheritDoc
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*/
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public function crypt( string $password ): void {
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list( $algo, $params ) = $this->prepareParams();
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$this->hash = password_hash( $password, $algo, $params );
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}
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/**
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* @inheritDoc
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*/
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public function verify( string $password ): bool {
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return password_verify( $password, $this->hash );
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}
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/**
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* @inheritDoc
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*/
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public function toString(): string {
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$res = ":argon2:{$this->hash}";
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$this->assertIsSafeSize( $res );
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return $res;
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}
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/**
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* @inheritDoc
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*/
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public function needsUpdate(): bool {
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list( $algo, $params ) = $this->prepareParams();
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return password_needs_rehash( $this->hash, $algo, $params );
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}
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}
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