mirror of
https://github.com/firefly-iii/firefly-iii.git
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139 lines
4.0 KiB
PHP
139 lines
4.0 KiB
PHP
<?php
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/**
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* DecryptDatabase.php
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* Copyright (c) 2019 thegrumpydictator@gmail.com
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*
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* This file is part of Firefly III.
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*
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* Firefly III 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 3 of the License, or
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* (at your option) any later version.
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*
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* Firefly III 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
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* along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace FireflyIII\Console\Commands;
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use Crypt;
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use DB;
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use FireflyIII\Support\Facades\FireflyConfig;
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use Illuminate\Console\Command;
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use Illuminate\Contracts\Encryption\DecryptException;
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use Log;
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/**
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*
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* Class DecryptDatabase
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*/
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class DecryptDatabase extends Command
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{
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/**
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* The console command description.
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*
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* @var string
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*/
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protected $description = 'Decrypts the database.';
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/**
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* The name and signature of the console command.
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*
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* @var string
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*/
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protected $signature = 'firefly:decrypt-all';
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/**
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* Execute the console command.
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*
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* @return mixed
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*/
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public function handle()
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{
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$this->line('Going to decrypt the database.');
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$tables = [
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'accounts' => ['name', 'iban'],
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'attachments' => ['filename', 'mime', 'title', 'description'],
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'bills' => ['name', 'match'],
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'budgets' => ['name'],
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'categories' => ['name'],
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'piggy_banks' => ['name'],
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'preferences' => ['data'],
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'tags' => ['tag', 'description'],
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'transaction_journals' => ['description'],
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'transactions' => ['description'],
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'journal_links' => ['comment'],
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];
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foreach ($tables as $table => $fields) {
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if ($this->isDecrypted($table)) {
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$this->info(sprintf('No decryption required for table "%s".', $table));
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continue;
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}
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foreach ($fields as $field) {
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$rows = DB::table($table)->get(['id', $field]);
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foreach ($rows as $row) {
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$original = $row->$field;
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if (null === $original) {
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continue;
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}
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$id = $row->id;
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$value = $this->tryDecrypt($original);
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if ($value !== $original) {
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Log::debug(sprintf('Decrypted field "%s" "%s" to "%s" in table "%s" (row #%d)', $field, $original, $value, $table, $id));
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DB::table($table)->where('id', $id)->update([$field => $value]);
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}
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}
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}
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$this->line(sprintf('Decrypted the data in table "%s".', $table));
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// mark as decrypted:
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$configName = sprintf('is_decrypted_%s', $table);
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FireflyConfig::set($configName, true);
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}
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$this->info('Done!');
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return 0;
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}
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/**
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* @param string $table
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*
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* @return bool
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*/
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private function isDecrypted(string $table): bool
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{
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$configName = sprintf('is_decrypted_%s', $table);
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$configVar = FireflyConfig::get($configName, false);
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if (null !== $configVar) {
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return (bool)$configVar->data;
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}
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return false;
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}
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/**
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* @param $value
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*
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* @return mixed
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*/
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private function tryDecrypt($value)
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{
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try {
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$value = Crypt::decrypt($value);
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} catch (DecryptException $e) {
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Log::debug(sprintf('Could not decrypt. %s', $e->getMessage()));
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}
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return $value;
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}
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}
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