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Editing: ExportAccountThreads.php

<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace OCA\Mail\Command;

use OCA\Mail\Db\MessageMapper;
use OCA\Mail\IMAP\Threading\DatabaseMessage;
use OCA\Mail\Service\AccountService;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\Security\IHasher;
use OCP\Security\ISecureRandom;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use function json_encode;

final class ExportAccountThreads extends Command {
	private const ARGUMENT_ACCOUNT_ID = 'account-id';
	private const OPTION_REDACT = 'redact';

private AccountService $accountService;
	private ISecureRandom $random;
	private IHasher $hasher;
	private MessageMapper $messageMapper;

public function __construct(AccountService $service,
		ISecureRandom $random,
		IHasher $hasher,
		MessageMapper $messageMapper) {
		parent::__construct();

$this->accountService = $service;
		$this->random = $random;
		$this->hasher = $hasher;
		$this->messageMapper = $messageMapper;
	}

protected function configure(): void {
		$this->setName('mail:account:export-threads');
		$this->setDescription('Exports a user\'s account threads');
		$this->addArgument(self::ARGUMENT_ACCOUNT_ID, InputArgument::REQUIRED);
		$this->addOption(self::OPTION_REDACT, 'r', InputOption::VALUE_NONE);
	}

protected function execute(InputInterface $input, OutputInterface $output): int {
		$accountId = (int)$input->getArgument(self::ARGUMENT_ACCOUNT_ID);

try {
			$account = $this->accountService->findById($accountId);
		} catch (DoesNotExistException $e) {
			$output->writeln("<error>Account $accountId does not exist</error>");
			return 1;
		}

$threads = $this->messageMapper->findThreadingData($account);
		if ($input->getOption(self::OPTION_REDACT)) {
			$salt = $this->random->generate(32);
			$output->writeln(json_encode(
				array_map(static fn (DatabaseMessage $message) => $message->redact(
					static fn (string $str) => hash('md5', $str . $salt) . '@redacted'
				), $threads),
				JSON_PRETTY_PRINT
			));
		} else {
			$output->writeln(
				json_encode(
					$threads,
					JSON_PRETTY_PRINT
				)
			);
		}

return 0;
	}
}

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