110 lines
No EOL
3.4 KiB
PHP
110 lines
No EOL
3.4 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Bjoern Schiessle
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* @copyright 2012 Bjoern Schiessle <schiessle@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA_Encryption;
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/*
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* This class provides basic operations to read/write encryption keys from/to the filesystem
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*/
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class Keymanager {
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/*
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* @brief retrieve private key from a user
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*
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* @param string user name
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* @return string private key or false
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*/
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public static function getPrivateKey($user) {
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$privateKeyStorage = \OCP\Config::getSystemValue('datadirectory').'/'.$user.'/files_encryption/';
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$view = new \OC_FilesystemView($privateKeyStorage);
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return $view->file_get_contents($user.'.private.key');
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}
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/*
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* @brief retrieve public key from a user
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*
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* @param string user name
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* @return string private key or false
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*/
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public static function getPublicKey($user) {
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$publicKeyStorage = \OCP\Config::getSystemValue('datadirectory').'/public-keys/';
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$view = $view = new \OC_FilesystemView($publicKeyStorage);
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return $view->file_get_contents($user.'.public.key');
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}
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/*
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* @brief retrieve file encryption key
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*
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* @param string file name
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* @param string user name of the file owner
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* @return string file key or false
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*/
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public static function getFileKey($user, $file) {
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$fileKeyStorage = \OCP\Config::getSystemValue('datadirectory').'/'.$user.'/files_encryption/keyfiles/';
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$view = new \OC_FilesystemView($fileKeyStorage);
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return $view->file_get_contents($file.'.key');
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}
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/*
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* @brief store private key from a user
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*
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* @param string user name
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* @param string key
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* @return bool true/false
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*/
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public static function setPrivateKey($user, $key) {
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$privateKeyStorage = \OCP\Config::getSystemValue('datadirectory').'/'.$user.'/files_encryption/';
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$view = new \OC_FilesystemView($privateKeyStorage);
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return $view->file_put_contents($user.'.private.key', $key);
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}
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/*
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* @brief store public key from a user
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*
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* @param string user name
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* @param string key
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* @return bool true/false
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*/
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public static function setPublicKey($user, $key) {
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$publicKeyStorage = \OCP\Config::getSystemValue('datadirectory').'/public-keys/';
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$view = new \OC_FilesystemView($publicKeyStorage);
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return $view->file_put_contents($user.'.public.key', $key);
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}
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/*
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* @brief store file encryption key
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*
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* @param string user name of the file owner
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* @param string file name
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* @param string key
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* @return bool true/false
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*/
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public static function setFileKey($user, $file, $key) {
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$fileKeyStorage = \OCP\Config::getSystemValue('datadirectory').'/'.$user.'/files_encryption/keyfiles/';
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$view = new \OC_FilesystemView($fileKeyStorage);
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return $view->file_put_contents($file.'.key', $key);
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}
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} |