From 6b058cd3594d80a27097b04507355b219f4726e4 Mon Sep 17 00:00:00 2001
From: Bjoern Schiessle <schiessle@owncloud.com>
Date: Thu, 2 Aug 2012 10:39:30 +0200
Subject: [PATCH] allow user to choose encryption mode

---
 apps/files_encryption/ajax/changemode.php     | 17 +++++++++++++
 apps/files_encryption/appinfo/app.php         |  3 ++-
 apps/files_encryption/appinfo/database.xml    | 24 ++++++++++++++++++
 apps/files_encryption/appinfo/version         |  2 +-
 apps/files_encryption/js/settings-personal.js | 22 ++++++++++++++++
 apps/files_encryption/js/settings.js          | 11 ++++----
 apps/files_encryption/lib/crypt.php           | 19 ++++++++------
 apps/files_encryption/settings-personal.php   | 25 +++++++++++++++++++
 apps/files_encryption/settings.php            |  1 -
 .../templates/settings-personal.php           | 14 +++++++++++
 apps/files_encryption/templates/settings.php  |  3 ++-
 apps/files_sharing/appinfo/database.xml       |  2 +-
 12 files changed, 124 insertions(+), 19 deletions(-)
 create mode 100644 apps/files_encryption/ajax/changemode.php
 create mode 100644 apps/files_encryption/appinfo/database.xml
 create mode 100644 apps/files_encryption/js/settings-personal.js
 create mode 100644 apps/files_encryption/settings-personal.php
 create mode 100644 apps/files_encryption/templates/settings-personal.php

diff --git a/apps/files_encryption/ajax/changemode.php b/apps/files_encryption/ajax/changemode.php
new file mode 100644
index 0000000000..0e6678e4bb
--- /dev/null
+++ b/apps/files_encryption/ajax/changemode.php
@@ -0,0 +1,17 @@
+<?php
+
+OCP\JSON::checkAppEnabled('files_encryption');
+OCP\JSON::checkLoggedIn();
+OCP\JSON::callCheck();
+
+$mode = $_POST['mode'];
+
+$query = \OC_DB::prepare( "SELECT mode FROM *PREFIX*encryption WHERE uid = ?" );
+$result = $query->execute(array(\OCP\User::getUser()));
+
+if ($row = $result->fetchRow()){
+	$query = OC_DB::prepare( 'UPDATE *PREFIX*encryption SET mode = ? WHERE uid = ?' );
+} else {
+	$query = OC_DB::prepare( 'INSERT INTO *PREFIX*encryption ( mode, uid ) VALUES( ?, ? )' );
+}
+$query->execute(array($mode, \OCP\User::getUser()));
\ No newline at end of file
diff --git a/apps/files_encryption/appinfo/app.php b/apps/files_encryption/appinfo/app.php
index 2047bdbb1f..1c2fafa8da 100644
--- a/apps/files_encryption/appinfo/app.php
+++ b/apps/files_encryption/appinfo/app.php
@@ -28,4 +28,5 @@ and OCP\User::isLoggedIn()
 
 }
 
-OCP\App::registerAdmin('files_encryption', 'settings');
\ No newline at end of file
+OCP\App::registerAdmin('files_encryption', 'settings');
+OCP\App::registerPersonal('files_encryption','settings-personal');
\ No newline at end of file
diff --git a/apps/files_encryption/appinfo/database.xml b/apps/files_encryption/appinfo/database.xml
new file mode 100644
index 0000000000..d294c35d63
--- /dev/null
+++ b/apps/files_encryption/appinfo/database.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<database>
+	 <name>*dbname*</name>
+	 <create>true</create>
+	 <overwrite>false</overwrite>
+	 <charset>utf8</charset>
+	 <table>
+		<name>*dbprefix*encryption</name>
+		<declaration>
+			<field>
+				<name>uid</name>
+				<type>text</type>
+				<notnull>true</notnull>
+				<length>64</length>
+			</field>
+			<field>
+				<name>mode</name>
+				<type>text</type>
+				<notnull>true</notnull>
+				<length>64</length>
+			</field>
+		</declaration>
+	</table>
+</database>
\ No newline at end of file
diff --git a/apps/files_encryption/appinfo/version b/apps/files_encryption/appinfo/version
index 2f4536184b..7dff5b8921 100644
--- a/apps/files_encryption/appinfo/version
+++ b/apps/files_encryption/appinfo/version
@@ -1 +1 @@
-0.2
\ No newline at end of file
+0.2.1
\ No newline at end of file
diff --git a/apps/files_encryption/js/settings-personal.js b/apps/files_encryption/js/settings-personal.js
new file mode 100644
index 0000000000..76f9a37f69
--- /dev/null
+++ b/apps/files_encryption/js/settings-personal.js
@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) 2012, Bjoern Schiessle <schiessle@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or later.
+ * See the COPYING-README file.
+ */
+
+$(document).ready(function(){
+	console.log("loaded!");
+	$('input[name=encryption_mode]').change(function(){
+		console.log("HERE!!!!!!!!!!!");
+		var  client=$('input[value="client"]:checked').val()
+			 ,server=$('input[value="server"]:checked').val()
+			 ,user=$('input[value="user"]:checked').val()
+			 ,none=$('input[value="none"]:checked').val()
+		if (client)
+			$.post(OC.filePath('files_encryption', 'ajax', 'changemode.php'), { mode: 'client' });
+		else if (server)
+			$.post(OC.filePath('files_encryption', 'ajax', 'changemode.php'), { mode: 'server' });
+		else
+			$.post(OC.filePath('files_encryption', 'ajax', 'changemode.php'), { mode: 'none' });
+	})
+})
\ No newline at end of file
diff --git a/apps/files_encryption/js/settings.js b/apps/files_encryption/js/settings.js
index 49dcf2bfca..d4dc470ced 100644
--- a/apps/files_encryption/js/settings.js
+++ b/apps/files_encryption/js/settings.js
@@ -17,19 +17,18 @@ $(document).ready(function(){
 		OC.AppConfig.setValue('files_encryption','type_blacklist',blackList);
 	}
 
-	$('#enable_encryption').change(function(){
-		var checked=$('#enable_encryption').is(':checked');
-		OC.AppConfig.setValue('files_encryption','enable_encryption',(checked)?'true':'false');
-	})
 	$('input[name=encryption_mode]').change(function(){
 		var  client=$('input[value="client"]:checked').val()
 			 ,server=$('input[value="server"]:checked').val()
+			 ,user=$('input[value="user"]:checked').val()
 			 ,none=$('input[value="none"]:checked').val()
 		if (client)
 			OC.AppConfig.setValue('files_encryption','mode','client');
-		if (server)
+		else if (server)
 			OC.AppConfig.setValue('files_encryption','mode','server');
-		if (none)
+		else if (user)
+			OC.AppConfig.setValue('files_encryption','mode','user');
+		else
 			OC.AppConfig.setValue('files_encryption','mode','none');
 	})
 })
\ No newline at end of file
diff --git a/apps/files_encryption/lib/crypt.php b/apps/files_encryption/lib/crypt.php
index 7e50c900fa..90b24dc8dd 100644
--- a/apps/files_encryption/lib/crypt.php
+++ b/apps/files_encryption/lib/crypt.php
@@ -37,14 +37,17 @@ class Crypt {
 	 */
 	public static function mode( $user = null ) {
 		
-		$mode = \OC_Appconfig::getValue( 'files_encryption', 'mode', 'unknown' );
-		
-		if ( $mode == 'unknown' ) {
-		
-			error_log('no encryption mode configured');
-			
-			return false;
-			
+		$mode = \OC_Appconfig::getValue( 'files_encryption', 'mode', 'none' );
+		
+		if ( $mode == 'user') {
+			$mode = 'none';
+			if ( $user ) {
+				$query = \OC_DB::prepare( "SELECT mode FROM *PREFIX*encryption WHERE uid = ?" );
+				$result = $query->execute(array($user));
+				if ($row = $result->fetchRow()){
+					$mode = $row['mode'];
+				}
+			}
 		}
 		
 		return $mode;
diff --git a/apps/files_encryption/settings-personal.php b/apps/files_encryption/settings-personal.php
new file mode 100644
index 0000000000..d4071e75ff
--- /dev/null
+++ b/apps/files_encryption/settings-personal.php
@@ -0,0 +1,25 @@
+<?php
+
+$sysEncMode = \OC_Appconfig::getValue('files_encryption', 'mode', 'none');
+
+if ($sysEncMode == 'user') {
+
+	$tmpl = new OCP\Template( 'files_encryption', 'settings-personal');
+
+	$query = \OC_DB::prepare( "SELECT mode FROM *PREFIX*encryption WHERE uid = ?" );
+	$result = $query->execute(array(\OCP\User::getUser()));
+	
+	if ($row = $result->fetchRow()){
+		$mode = $row['mode'];
+	} else {
+		$mode = 'none';
+	}
+	
+	OCP\Util::addscript('files_encryption','settings-personal');
+	$tmpl->assign('encryption_mode', $mode);
+	return $tmpl->fetchPage();
+}
+
+return null;
+
+?>
\ No newline at end of file
diff --git a/apps/files_encryption/settings.php b/apps/files_encryption/settings.php
index a4e91627dd..963fdf826c 100644
--- a/apps/files_encryption/settings.php
+++ b/apps/files_encryption/settings.php
@@ -8,7 +8,6 @@
 
 $tmpl = new OCP\Template( 'files_encryption', 'settings');
 $blackList=explode(',',OCP\Config::getAppValue('files_encryption','type_blacklist','jpg,png,jpeg,avi,mpg,mpeg,mkv,mp3,oga,ogv,ogg'));
-$enabled=(OCP\Config::getAppValue('files_encryption','enable_encryption','true')=='true');
 $tmpl->assign('blacklist',$blackList);
 $tmpl->assign('encryption_mode',\OC_Appconfig::getValue('files_encryption', 'mode', 'none'));
 
diff --git a/apps/files_encryption/templates/settings-personal.php b/apps/files_encryption/templates/settings-personal.php
new file mode 100644
index 0000000000..2b51ab8694
--- /dev/null
+++ b/apps/files_encryption/templates/settings-personal.php
@@ -0,0 +1,14 @@
+
+<form id="encryption">
+<fieldset class="personalblock">
+
+<strong>Choose encryption mode:</strong>
+
+<p>
+	<input type="radio" name="encryption_mode" value="client" style="width:20px;" <?php if ($_['encryption_mode'] == 'client') echo "checked='checked'"?>/> Client side encryption (most secure but makes it impossible to access your data from the web interface)<br />
+	<input type="radio" name="encryption_mode" value="server" style="width:20px;" <?php if ($_['encryption_mode'] == 'server') echo "checked='checked'"?> /> Server side encryption (allows you to access your files from the web interface and the desktop client)<br />
+	<input type="radio" name="encryption_mode" value="none" style="width:20px;" <?php if ($_['encryption_mode'] == 'none') echo "checked='checked'"?>/> None (no encryption at all)<br/>
+	</p>	
+	</fieldset>
+</form>
+
diff --git a/apps/files_encryption/templates/settings.php b/apps/files_encryption/templates/settings.php
index 38c89ecde3..2a3c1fd5bd 100644
--- a/apps/files_encryption/templates/settings.php
+++ b/apps/files_encryption/templates/settings.php
@@ -1,4 +1,4 @@
-<form id="calendar">
+<form id="encryption">
 	<fieldset class="personalblock">
 		
 	<strong>Choose encryption mode:</strong>
@@ -6,6 +6,7 @@
 	<p>
 	<input type="radio" name="encryption_mode" value="client" style="width:20px;" <?php if ($_['encryption_mode'] == 'client') echo "checked='checked'"?>/> Client side encryption (most secure but makes it impossible to access your data from the web interface)<br />
 	<input type="radio" name="encryption_mode" value="server" style="width:20px;" <?php if ($_['encryption_mode'] == 'server') echo "checked='checked'"?> /> Server side encryption (allows you to access your files from the web interface and the desktop client)<br />
+	<input type="radio" name="encryption_mode" value="user" style="width:20px;" <?php if ($_['encryption_mode'] == 'user') echo "checked='checked'"?>/> User specific (let the user decide)<br/>
 	<input type="radio" name="encryption_mode" value="none" style="width:20px;" <?php if ($_['encryption_mode'] == 'none') echo "checked='checked'"?>/> None (no encryption at all)<br/>
 	</p>	
 	<p>	
diff --git a/apps/files_sharing/appinfo/database.xml b/apps/files_sharing/appinfo/database.xml
index c5cb632d4f..bb6275fbac 100644
--- a/apps/files_sharing/appinfo/database.xml
+++ b/apps/files_sharing/appinfo/database.xml
@@ -39,4 +39,4 @@
 			 </field>
 		</declaration>
 	</table>
-</database>
+</database>
\ No newline at end of file