From bd0551b22076b82a6d49e9f7a2b2e0c90a1b2326 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 05 Feb 2016 07:25:27 -0500
Subject: [PATCH] Secure also downloads of addressbook exports, managesieve script exports and Enigma keys exports

---
 plugins/enigma/lib/enigma_driver.php |   53 ++++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 36 insertions(+), 17 deletions(-)

diff --git a/plugins/enigma/lib/enigma_driver.php b/plugins/enigma/lib/enigma_driver.php
index c0a91ac..7fa3342 100644
--- a/plugins/enigma/lib/enigma_driver.php
+++ b/plugins/enigma/lib/enigma_driver.php
@@ -1,20 +1,14 @@
 <?php
-/*
+
+/**
  +-------------------------------------------------------------------------+
  | Abstract driver for the Enigma Plugin                                   |
  |                                                                         |
- | This program is free software; you can redistribute it and/or modify    |
- | it under the terms of the GNU General Public License version 2          |
- | as published by the Free Software Foundation.                           |
+ | Copyright (C) 2010-2015 The Roundcube Dev Team                          |
  |                                                                         |
- | This program is distributed in the hope that it will be useful,         |
- | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
- | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
- | GNU General Public License for more details.                            |
- |                                                                         |
- | You should have received a copy of the GNU General Public License along |
- | with this program; if not, write to the Free Software Foundation, Inc., |
- | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.             |
+ | Licensed under the GNU General Public License version 3 or              |
+ | any later version with exceptions for skins & plugins.                  |
+ | See the README file for a full license statement.                       |
  |                                                                         |
  +-------------------------------------------------------------------------+
  | Author: Aleksander Machniak <alec@alec.pl>                              |
@@ -39,11 +33,16 @@
 
     /**
      * Encryption.
+     *
+     * @param string Message body
+     * @param array  List of key-password mapping
+     *
+     * @return mixed Encrypted message or enigma_error on failure
      */
     abstract function encrypt($text, $keys);
 
     /**
-     * Decryption..
+     * Decryption.
      *
      * @param string Encrypted message
      * @param array  List of key-password mapping
@@ -52,8 +51,15 @@
 
     /**
      * Signing.
+     *
+     * @param string Message body
+     * @param string Key ID
+     * @param string Key password
+     * @param int    Signing mode (enigma_engine::SIGN_*)
+     *
+     * @return mixed True on success or enigma_error on failure
      */
-    abstract function sign($text, $key, $passwd);
+    abstract function sign($text, $key, $passwd, $mode = null);
 
     /**
      * Signature verification.
@@ -73,7 +79,16 @@
      *
      * @return mixed Import status array or enigma_error
      */
-    abstract function import($content, $isfile=false);
+    abstract function import($content, $isfile = false);
+
+    /**
+     * Key/Cert export.
+     *
+     * @param string Key ID
+     *
+     * @return mixed Key content or enigma_error
+     */
+    abstract function export($key);
 
     /**
      * Keys listing.
@@ -82,7 +97,7 @@
      *
      * @return mixed Array of enigma_key objects or enigma_error
      */
-    abstract function list_keys($pattern='');
+    abstract function list_keys($pattern = '');
 
     /**
      * Single key information.
@@ -96,7 +111,7 @@
     /**
      * Key pair generation.
      *
-     * @param array Key/User data
+     * @param array Key/User data (name, email, password, size)
      *
      * @return mixed Key (enigma_key) object or enigma_error
      */
@@ -104,6 +119,10 @@
 
     /**
      * Key deletion.
+     *
+     * @param string Key ID
+     *
+     * @return mixed True on success or enigma_error
      */
     abstract function delete_key($keyid);
 }

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