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86 lines
2.6 KiB
PHP
86 lines
2.6 KiB
PHP
<?php
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/**
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* PwndVerifierV2.php
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* Copyright (c) 2019 james@firefly-iii.org
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*
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* This file is part of Firefly III (https://github.com/firefly-iii).
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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 Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace FireflyIII\Services\Password;
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use GuzzleHttp\Client;
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use GuzzleHttp\Exception\GuzzleException;
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use GuzzleHttp\Exception\RequestException;
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use Illuminate\Support\Facades\Log;
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/**
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* Class PwndVerifierV2.
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*
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*/
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class PwndVerifierV2 implements Verifier
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{
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/**
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* Verify the given password against (some) service.
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*
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* @param string $password
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*
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* @return bool
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*/
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public function validPassword(string $password): bool
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{
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// Yes SHA1 is unsafe but in this context its fine.
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$hash = sha1($password);
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$prefix = substr($hash, 0, 5);
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$rest = substr($hash, 5);
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$url = sprintf('https://api.pwnedpasswords.com/range/%s', $prefix);
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$opt = [
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'headers' => [
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'User-Agent' => sprintf('Firefly III v%s', config('firefly.version')),
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'Add-Padding' => 'true',
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],
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'timeout' => 3.1415,
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];
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Log::debug(sprintf('hash prefix is %s', $prefix));
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Log::debug(sprintf('rest is %s', $rest));
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try {
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$client = new Client();
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$res = $client->request('GET', $url, $opt);
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} catch (GuzzleException | RequestException $e) {
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Log::error(sprintf('Could not verify password security: %s', $e->getMessage()));
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return true;
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}
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Log::debug(sprintf('Status code returned is %d', $res->getStatusCode()));
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if (404 === $res->getStatusCode()) {
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return true;
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}
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$strpos = stripos($res->getBody()->getContents(), $rest);
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if (false === $strpos) {
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Log::debug(sprintf('%s was not found in result body. Return true.', $rest));
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return true;
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}
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Log::debug(sprintf('Found %s, return FALSE.', $rest));
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return false;
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}
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}
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