firefly-iii/app/Services/Password/PwndVerifierV3.php

95 lines
2.9 KiB
PHP

<?php
/**
* PwndVerifierV3.php
* Copyright (c) 2019 thegrumpydictator@gmail.com
*
* This file is part of Firefly III (https://github.com/firefly-iii).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\Services\Password;
use Exception;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use Log;
use RuntimeException;
/**
* Class PwndVerifierV3
* @codeCoverageIgnore
*/
class PwndVerifierV3 implements Verifier
{
/**
* Verify the given password against (some) service.
*
* @param string $password
*
* @return bool
*/
public function validPassword(string $password): bool
{
Log::debug('Now in API v3.');
$hash = strtoupper(sha1($password));
$prefix = substr($hash, 0, 5);
$rest = substr($hash, 5);
$uri = sprintf('https://api.pwnedpasswords.com/%s/%s', 'range', $prefix);
Log::debug(sprintf('URI is %s', $uri));
$headers = [
'User-Agent' => sprintf('Firefly III v%s', config('firefly.version')),
];
Log::debug('Headers', $headers);
$opts = [
'headers' => $headers,
'timeout' => 5,
];
Log::debug(sprintf('hash prefix is %s', $prefix));
Log::debug(sprintf('rest is %s', $rest));
try {
$client = new Client;
$res = $client->request('GET', $uri, $opts);
} catch (GuzzleException|Exception $e) {
Log::error(sprintf('Could not verify password security: %s', $e->getMessage()));
return true;
}
Log::debug(sprintf('Status code returned is %d', $res->getStatusCode()));
if (404 === $res->getStatusCode()) {
return true;
}
$body = $res->getBody()->getContents();
try {
$strpos = stripos($body, $rest);
} catch (RuntimeException $e) {
Log::error(sprintf('Could not get body from Pwnd result: %s', $e->getMessage()));
$strpos = false;
}
if (false === $strpos) {
Log::debug(sprintf('%s was not found in result body. Return true.', $rest));
return true;
}
Log::debug(sprintf('Found %s, so return FALSE.', $rest));
return false;
}
}