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