Merge pull request #5233 from owncloud/enc_filter_users

only encrypt file to users with encryption keys

apps/files_encryption/hooks/hooks.php

@@ -92,8 +92,6 @@ class Hooks {
 			}
 
 			// Encrypt existing user files:
-			// This serves to upgrade old versions of the encryption
-			// app (see appinfo/spec.txt)
 			if (
 				$util->encryptAll('/' . $params['uid'] . '/' . 'files', $session->getLegacyKey(), $params['password'])
 			) {

apps/files_encryption/lib/proxy.php

@@ -38,8 +38,6 @@ class Proxy extends \OC_FileProxy {
 
 	private static $blackList = null; //mimetypes blacklisted from encryption
 
-	private static $enableEncryption = null;
-
 	/**
 	 * Check if a file requires encryption
 	 * @param string $path
@@ -49,46 +47,22 @@ class Proxy extends \OC_FileProxy {
 	 */
 	private static function shouldEncrypt($path) {
 
-		if (is_null(self::$enableEncryption)) {
-			if (
-				\OCP\App::isEnabled('files_encryption') === true
-				&& Crypt::mode() === 'server'
-			) {
-
-				self::$enableEncryption = true;
-
-			} else {
-
-				self::$enableEncryption = false;
-
-			}
-
-		}
-
-		if (!self::$enableEncryption) {
-
+		if (\OCP\App::isEnabled('files_encryption') === false || Crypt::mode() !== 'server') {
 			return false;
-
 		}
 
 		if (is_null(self::$blackList)) {
-
 			self::$blackList = explode(',', \OCP\Config::getAppValue('files_encryption', 'type_blacklist', ''));
-
 		}
 
 		if (Crypt::isCatfileContent($path)) {
-
 			return true;
-
 		}
 
 		$extension = substr($path, strrpos($path, '.') + 1);
 
 		if (array_search($extension, self::$blackList) === false) {
-
 			return true;
-
 		}
 
 		return false;

apps/files_encryption/lib/stream.php

@@ -506,9 +506,10 @@ class Stream {
 
 				// Get all users sharing the file includes current user
 				$uniqueUserIds = $util->getSharingUsersArray($sharingEnabled, $this->relPath, $this->userId);
+				$checkedUserIds = $util->filterShareReadyUsers($uniqueUserIds);
 
 				// Fetch public keys for all sharing users
-				$publicKeys = Keymanager::getPublicKeys($this->rootView, $uniqueUserIds);
+				$publicKeys = Keymanager::getPublicKeys($this->rootView, $checkedUserIds['ready']);
 
 				// Encrypt enc key for all sharing users
 				$this->encKeyfiles = Crypt::multiKeyEncrypt($this->plainKey, $publicKeys);

apps/files_sharing/tests/api.php

@@ -58,6 +58,10 @@ class Test_Files_Sharing_Api extends \PHPUnit_Framework_TestCase {
 	}
 
 	function setUp() {
+
+		//login as user1
+		\Test_Files_Sharing_Api::loginHelper(\Test_Files_Sharing_Api::TEST_FILES_SHARING_API_USER1);
+
 		$this->data = 'foobar';
 		$this->view = new \OC_FilesystemView('/' . \Test_Files_Sharing_Api::TEST_FILES_SHARING_API_USER1 . '/files');
 
@@ -104,9 +108,6 @@ class Test_Files_Sharing_Api extends \PHPUnit_Framework_TestCase {
 	 */
 	function testCreateShare() {
 
-		//login as user1
-		\Test_Files_Sharing_Api::loginHelper(\Test_Files_Sharing_Api::TEST_FILES_SHARING_API_USER1);
-
 		// share to user
 
 		// simulate a post request

lib/public/share.php

@@ -155,13 +155,13 @@ class Share {
 
 		while ($source !== -1) {
 
-			// Fetch all shares of this file path from DB
+			// Fetch all shares with another user
 			$query = \OC_DB::prepare(
 				'SELECT `share_with`
 				FROM
 				`*PREFIX*share`
 				WHERE
-				`item_source` = ? AND `share_type` = ?'
+				`item_source` = ? AND `share_type` = ? AND `item_type` IN (\'file\', \'folder\')'
 			);
 
 			$result = $query->execute(array($source, self::SHARE_TYPE_USER));
@@ -180,7 +180,7 @@ class Share {
 				FROM
 				`*PREFIX*share`
 				WHERE
-				`item_source` = ? AND `share_type` = ?'
+				`item_source` = ? AND `share_type` = ? AND `item_type` IN (\'file\', \'folder\')'
 			);
 
 			$result = $query->execute(array($source, self::SHARE_TYPE_GROUP));
@@ -201,7 +201,7 @@ class Share {
 					FROM
 					`*PREFIX*share`
 					WHERE
-					`item_source` = ? AND `share_type` = ?'
+					`item_source` = ? AND `share_type` = ? AND `item_type` IN (\'file\', \'folder\')'
 				);
 
 				$result = $query->execute(array($source, self::SHARE_TYPE_LINK));