nextcloud/apps/files_encryption/ajax/adminrecovery.php

85 lines
2.2 KiB
PHP

<?php
/**
* Copyright (c) 2013, Sam Tuke <samtuke@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or later.
* See the COPYING-README file.
*
* @brief Script to handle admin settings for encrypted key recovery
*/
use OCA\Encryption;
\OCP\JSON::checkAdminUser();
\OCP\JSON::checkAppEnabled('files_encryption');
\OCP\JSON::callCheck();
$return = false;
// Enable recoveryAdmin
if (
isset($_POST['adminEnableRecovery'])
&& 1 == $_POST['adminEnableRecovery']
) {
$view = new \OC\Files\View('/');
$recoveryKeyId = OC_Appconfig::getValue('files_encryption', 'recoveryKeyId');
if ($recoveryKeyId === null) {
$recoveryKeyId = 'recovery_' . substr(md5(time()), 0, 8);
\OC_Appconfig::setValue('files_encryption', 'recoveryKeyId', $recoveryKeyId);
}
if (!$view->is_dir('/owncloud_private_key')) {
$view->mkdir('/owncloud_private_key');
}
if (
(!$view->file_exists("/public-keys/" . $recoveryKeyId . ".public.key")
|| !$view->file_exists("/owncloud_private_key/" . $recoveryKeyId . ".private.key"))
&& isset($_POST['recoveryPassword'])
&& !empty($_POST['recoveryPassword'])
) {
$keypair = \OCA\Encryption\Crypt::createKeypair();
\OC_FileProxy::$enabled = false;
// Save public key
if (!$view->is_dir('/public-keys')) {
$view->mkdir('/public-keys');
}
$view->file_put_contents('/public-keys/' . $recoveryKeyId . '.public.key', $keypair['publicKey']);
// Encrypt private key empthy passphrase
$encryptedPrivateKey = \OCA\Encryption\Crypt::symmetricEncryptFileContent($keypair['privateKey'], $_POST['recoveryPassword']);
// Save private key
$view->file_put_contents('/owncloud_private_key/' . $recoveryKeyId . '.private.key', $encryptedPrivateKey);
\OC_FileProxy::$enabled = true;
}
// Set recoveryAdmin as enabled
OC_Appconfig::setValue('files_encryption', 'recoveryAdminEnabled', 1);
$return = true;
// Disable recoveryAdmin
} elseif (
isset($_POST['adminEnableRecovery'])
&& 0 == $_POST['adminEnableRecovery']
) {
// Set recoveryAdmin as enabled
OC_Appconfig::setValue('files_encryption', 'recoveryAdminEnabled', 0);
$return = true;
}
// Return success or failure
( $return ) ? \OCP\JSON::success() : \OCP\JSON::error();