ba29147e34
Renamed recovery methods in Util{} for clarity
Added note about bug causing slow page load and redundant keypair generation
recoveryAdmin functionality not yet complete
155 lines
No EOL
3.3 KiB
PHP
155 lines
No EOL
3.3 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Sam Tuke
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* @copyright 2012 Sam Tuke samtuke@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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* Class for handling encryption related session data
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*/
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class Session {
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private $view;
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/**
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* @brief if session is started, check if ownCloud key pair is set up, if not create it
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*
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* The ownCloud key pair is used to allow public link sharing even if encryption is enabled
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*/
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public function __construct( $view ) {
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$this->view = $view;
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if ( ! $this->view->is_dir( 'owncloud_private_key' ) ) {
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$this->view->mkdir( 'owncloud_private_key' );
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}
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if (
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! $this->view->file_exists( "/public-keys/owncloud.public.key" )
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|| ! $this->view->file_exists( "/owncloud_private_key/owncloud.private.key" )
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) {
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//FIXME: Bug: for some reason file_exists is returning
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// false in above if statement, and causing new keys
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// to be generated on each page load. At last check
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// our app.php is being executed 18 times per page load
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// , causing 18 new keypairs and huge performance hit.
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$keypair = 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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$view->mkdir('/public-keys');
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}
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$this->view->file_put_contents( '/public-keys/owncloud.public.key', $keypair['publicKey'] );
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// Encrypt private key empthy passphrase
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$encryptedPrivateKey = Crypt::symmetricEncryptFileContent( $keypair['privateKey'], '' );
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// Save private key
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$this->view->file_put_contents( '/owncloud_private_key/owncloud.private.key', $encryptedPrivateKey );
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\OC_FileProxy::$enabled = true;
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}
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}
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/**
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* @brief Sets user private key to session
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* @return bool
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*
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*/
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public function setPrivateKey( $privateKey ) {
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$_SESSION['privateKey'] = $privateKey;
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return true;
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}
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/**
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* @brief Gets user private key from session
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* @returns string $privateKey The user's plaintext private key
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*
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*/
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public function getPrivateKey() {
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if (
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isset( $_SESSION['privateKey'] )
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&& !empty( $_SESSION['privateKey'] )
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) {
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return $_SESSION['privateKey'];
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} else {
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return false;
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}
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}
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/**
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* @brief Sets user legacy key to session
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* @return bool
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*
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*/
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public function setLegacyKey( $legacyKey ) {
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if ( $_SESSION['legacyKey'] = $legacyKey ) {
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return true;
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}
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}
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/**
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* @brief Gets user legacy key from session
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* @returns string $legacyKey The user's plaintext legacy key
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*
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*/
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public function getLegacyKey() {
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if (
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isset( $_SESSION['legacyKey'] )
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&& !empty( $_SESSION['legacyKey'] )
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) {
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return $_SESSION['legacyKey'];
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} else {
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return false;
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}
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}
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} |