From d1ad4dc8d60a656606b6c237df9f4c931f828c73 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Wed, 18 Apr 2012 16:02:35 +0200
Subject: [PATCH] add test cases for cryptstream

---
 apps/files_encryption/lib/proxy.php        | 7 +++++++
 apps/files_encryption/tests/encryption.php | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/apps/files_encryption/lib/proxy.php b/apps/files_encryption/lib/proxy.php
index c68df06f9f..a0de411a7b 100644
--- a/apps/files_encryption/lib/proxy.php
+++ b/apps/files_encryption/lib/proxy.php
@@ -28,6 +28,7 @@
 class OC_FileProxy_Encryption extends OC_FileProxy{
 	private static $blackList=null; //mimetypes blacklisted from encryption
 	private static $metaData=array(); //metadata cache
+	private static $enableEncryption=null;
 	
 	/**
 	 * check if a file should be encrypted during write
@@ -35,6 +36,12 @@ class OC_FileProxy_Encryption extends OC_FileProxy{
 	 * @return bool
 	 */
 	private static function shouldEncrypt($path){
+		if(is_null($this->enableEncryption)){
+			$this->enableEncryption=(OC_Appconfig::getValue('files_encryption','enabled','true')=='true');
+		}
+		if(!$this->enableEncryption){
+			return false;
+		}
 		if(is_null(self::$blackList)){
 			self::$blackList=explode(',',OC_Appconfig::getValue('files_encryption','type_blacklist','jpg,png,jpeg,avi,mpg,mpeg,mkv,mp3,oga,ogv,ogg'));
 		}
diff --git a/apps/files_encryption/tests/encryption.php b/apps/files_encryption/tests/encryption.php
index 140fe6b126..1309325671 100644
--- a/apps/files_encryption/tests/encryption.php
+++ b/apps/files_encryption/tests/encryption.php
@@ -15,6 +15,12 @@ class Test_Encryption extends UnitTestCase {
 		$decrypted=OC_Crypt::decrypt($encrypted,$key);
 		$this->assertNotEqual($encrypted,$source);
 		$this->assertEqual($decrypted,$source);
+
+		$chunk=substr($source,0,8192);
+		$encrypted=OC_Crypt::encrypt($chunk,$key);
+		$this->assertEqual(strlen($chunk),strlen($encrypted));
+		$decrypted=OC_Crypt::decrypt($encrypted,$key);
+		$this->assertEqual($decrypted,$chunk);
 		
 		$encrypted=OC_Crypt::blockEncrypt($source,$key);
 		$decrypted=OC_Crypt::blockDecrypt($encrypted,$key);