Merge branch 'master' into memcache-public

32 files changed, 419 insertions, 198 deletions

diff --git a/apps/files/ajax/upload.php b/apps/files/ajax/upload.php
index 0e905f993ac..bdaf6a77d14 100644
--- a/apps/files/ajax/upload.php
+++ b/apps/files/ajax/upload.php
@@ -34,6 +34,7 @@ if (empty($_POST['dirToken'])) {
 		// resolve reshares
 		$rootLinkItem = OCP\Share::resolveReShare($linkItem);
 
+		OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
 		// Setup FS with owner
 		OC_Util::tearDownFS();
 		OC_Util::setupFS($rootLinkItem['uid_owner']);
diff --git a/apps/files/js/filelist.js b/apps/files/js/filelist.js
index c02ab70ce8d..66968ab54c7 100644
--- a/apps/files/js/filelist.js
+++ b/apps/files/js/filelist.js
@@ -27,6 +27,8 @@ var FileList={
 			Files.setupDragAndDrop();
 		}
 		FileList.updateFileSummary();
+		procesSelection();
+		
 		$fileList.trigger(jQuery.Event("updated"));
 	},
 	createRow:function(type, name, iconurl, linktarget, size, lastModified, permissions) {
@@ -300,7 +302,10 @@ var FileList={
 	},
 	remove:function(name){
 		var fileEl = FileList.findFileEl(name);
-		fileEl.find('td.filename').draggable('destroy');
+		if (fileEl.data('permissions') & OC.PERMISSION_DELETE) {
+			// file is only draggable when delete permissions are set
+			fileEl.find('td.filename').draggable('destroy');
+		}
 		fileEl.remove();
 		FileList.updateFileSummary();
 		if ( ! $('tr[data-file]').exists() ) {
diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 1f12ade8d79..76ac87d38ed 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -612,11 +612,12 @@ function procesSelection() {
 		return el.type==='dir';
 	});
 	if (selectedFiles.length === 0 && selectedFolders.length === 0) {
-		$('#headerName>span.name').text(t('files','Name'));
+		$('#headerName span.name').text(t('files','Name'));
 		$('#headerSize').text(t('files','Size'));
 		$('#modified').text(t('files','Modified'));
 		$('table').removeClass('multiselect');
 		$('.selectedActions').hide();
+		$('#select_all').removeAttr('checked');
 	}
 	else {
 		$('.selectedActions').show();
@@ -719,7 +720,7 @@ Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
 			console.warn('Files.lazyLoadPreview(): missing etag argument');
 		}
 
-		if ( $('#publicUploadButtonMock').length ) {
+		if ( $('#public_upload').length ) {
 			urlSpec.t = $('#dirToken').val();
 			previewURL = OC.Router.generate('core_ajax_public_preview', urlSpec);
 		} else {
diff --git a/apps/files/templates/part.breadcrumb.php b/apps/files/templates/part.breadcrumb.php
index 90d07d4336c..2a0df622767 100644
--- a/apps/files/templates/part.breadcrumb.php
+++ b/apps/files/templates/part.breadcrumb.php
@@ -1,6 +1,10 @@
 <div class="crumb <?php if(!count($_["breadcrumb"])) p('last');?>" data-dir=''>
 	<a href="<?php print_unescaped($_['baseURL']); ?>">
-		<img src="<?php print_unescaped(OCP\image_path('core', 'places/home.svg'));?>" class="svg" />
+		<?php if(isset($_['rootBreadCrumb'])):
+			echo $_['rootBreadCrumb'];
+		else:?>
+			<img src="<?php print_unescaped(OCP\image_path('core', 'places/home.svg'));?>" class="svg" />
+		<?php endif;?>
 	</a>
 </div>
 <?php for($i=0; $i<count($_["breadcrumb"]); $i++):
diff --git a/apps/files/templates/part.list.php b/apps/files/templates/part.list.php
index 2f630e1f014..f4fb96a7a7c 100644
--- a/apps/files/templates/part.list.php
+++ b/apps/files/templates/part.list.php
@@ -18,7 +18,7 @@ $totalsize = 0; ?>
 		data-size="<?php p($file['size']);?>"
 		data-etag="<?php p($file['etag']);?>"
 		data-permissions="<?php p($file['permissions']); ?>">
-		<?php if($file['isPreviewAvailable']): ?>
+		<?php if(isset($file['isPreviewAvailable']) and $file['isPreviewAvailable']): ?>
 		<td class="filename svg preview-icon"
 		<?php else: ?>
 		<td class="filename svg"
diff --git a/apps/files/triggerupdate.php b/apps/files/triggerupdate.php
index 0e29edbba35..a37b9823add 100644
--- a/apps/files/triggerupdate.php
+++ b/apps/files/triggerupdate.php
@@ -6,6 +6,7 @@ if (OC::$CLI) {
 	if (count($argv) === 2) {
 		$file = $argv[1];
 		list(, $user) = explode('/', $file);
+		OCP\JSON::checkUserExists($owner);
 		OC_Util::setupFS($user);
 		$view = new \OC\Files\View('');
 		/**
diff --git a/apps/files_encryption/appinfo/info.xml b/apps/files_encryption/appinfo/info.xml
index 9d495916d26..b6d9d6bb0a3 100644
--- a/apps/files_encryption/appinfo/info.xml
+++ b/apps/files_encryption/appinfo/info.xml
@@ -2,11 +2,15 @@
 <info>
 	<id>files_encryption</id>
 	<name>Encryption</name>
-	<description>The new ownCloud 5 files encryption system. After the app was enabled you need to re-login to initialize your encryption keys.</description>
+	<description>The ownCloud files encryption system provides server side-encryption. After the app was enabled you need to re-login to initialize your encryption keys.</description>
 	<licence>AGPL</licence>
 	<author>Sam Tuke, Bjoern Schiessle, Florin Peter</author>
 	<require>4</require>
 	<shipped>true</shipped>
+	<documentation>
+		<user>http://doc.owncloud.org/server/6.0/user_manual/files/encryption.html</user>
+		<admin>http://doc.owncloud.org/server/6.0/admin_manual/configuration/configuration_encryption.html</admin>
+	</documentation>
 	<rememberlogin>false</rememberlogin>
 	<types>
 		<filesystem/>
diff --git a/apps/files_encryption/lib/proxy.php b/apps/files_encryption/lib/proxy.php
index 41f352d853a..4fe76b97711 100644
--- a/apps/files_encryption/lib/proxy.php
+++ b/apps/files_encryption/lib/proxy.php
@@ -255,8 +255,8 @@ class Proxy extends \OC_FileProxy {
 		// split the path parts
 		$pathParts = explode('/', $path);
 
-		// FIXME: handling for /userId/cache used by webdav for chunking. The cache chunks are NOT encrypted
-		if (isset($pathParts[2]) && $pathParts[2] === 'cache') {
+		// don't try to encrypt/decrypt cache chunks or files in the trash bin
+		if (isset($pathParts[2]) && ($pathParts[2] === 'cache' || $pathParts[2] === 'files_trashbin')) {
 			return $result;
 		}
 
diff --git a/apps/files_encryption/tests/crypt.php b/apps/files_encryption/tests/crypt.php
index ca14e3e2ccb..388980ad4fd 100755
--- a/apps/files_encryption/tests/crypt.php
+++ b/apps/files_encryption/tests/crypt.php
@@ -155,7 +155,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 */
 	function testSymmetricStreamEncryptShortFileContent() {
 
-		$filename = 'tmp-' . time() . '.test';
+		$filename = 'tmp-' . uniqid() . '.test';
 
 		$util = new Encryption\Util(new \OC_FilesystemView(), $this->userId);
 
@@ -214,7 +214,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	function testSymmetricStreamEncryptLongFileContent() {
 
 		// Generate a a random filename
-		$filename = 'tmp-' . time() . '.test';
+		$filename = 'tmp-' . uniqid() . '.test';
 
 		$util = new Encryption\Util(new \OC_FilesystemView(), $this->userId);
 
@@ -297,7 +297,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 */
 	function testSymmetricStreamDecryptShortFileContent() {
 
-		$filename = 'tmp-' . time();
+		$filename = 'tmp-' . uniqid();
 
 		// Save long data as encrypted file using stream wrapper
 		$cryptedFile = file_put_contents('crypt:///'. $this->userId . '/files/' . $filename, $this->dataShort);
@@ -327,7 +327,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 */
 	function testSymmetricStreamDecryptLongFileContent() {
 
-		$filename = 'tmp-' . time();
+		$filename = 'tmp-' . uniqid();
 
 		// Save long data as encrypted file using stream wrapper
 		$cryptedFile = file_put_contents('crypt:///' . $this->userId . '/files/' . $filename, $this->dataLong);
@@ -418,7 +418,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 */
 	function testRenameFile() {
 
-		$filename = 'tmp-' . time();
+		$filename = 'tmp-' . uniqid();
 
 		// Save long data as encrypted file using stream wrapper
 		$cryptedFile = file_put_contents('crypt:///' . $this->userId . '/files/' . $filename, $this->dataLong);
@@ -431,7 +431,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 
 		$this->assertEquals($this->dataLong, $decrypt);
 
-		$newFilename = 'tmp-new-' . time();
+		$newFilename = 'tmp-new-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 		$view->rename($filename, $newFilename);
 
@@ -449,7 +449,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 */
 	function testMoveFileIntoFolder() {
 
-		$filename = 'tmp-' . time();
+		$filename = 'tmp-' . uniqid();
 
 		// Save long data as encrypted file using stream wrapper
 		$cryptedFile = file_put_contents('crypt:///' . $this->userId . '/files/' . $filename, $this->dataLong);
@@ -462,8 +462,8 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 
 		$this->assertEquals($this->dataLong, $decrypt);
 
-		$newFolder = '/newfolder' . time();
-		$newFilename = 'tmp-new-' . time();
+		$newFolder = '/newfolder' . uniqid();
+		$newFilename = 'tmp-new-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 		$view->mkdir($newFolder);
 		$view->rename($filename, $newFolder . '/' . $newFilename);
@@ -484,8 +484,8 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
-		$filename = '/tmp-' . time();
-		$folder = '/folder' . time();
+		$filename = '/tmp-' . uniqid();
+		$folder = '/folder' . uniqid();
 
 		$view->mkdir($folder);
 
@@ -500,7 +500,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 
 		$this->assertEquals($this->dataLong, $decrypt);
 
-		$newFolder = '/newfolder/subfolder' . time();
+		$newFolder = '/newfolder/subfolder' . uniqid();
 		$view->mkdir('/newfolder');
 
 		$view->rename($folder, $newFolder);
@@ -519,7 +519,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 * @medium
 	 */
 	function testChangePassphrase() {
-		$filename = 'tmp-' . time();
+		$filename = 'tmp-' . uniqid();
 
 		// Save long data as encrypted file using stream wrapper
 		$cryptedFile = file_put_contents('crypt:///' . $this->userId . '/files/' . $filename, $this->dataLong);
@@ -557,7 +557,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 */
 	function testViewFilePutAndGetContents() {
 
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
@@ -590,7 +590,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 * @large
 	 */
 	function testTouchExistingFile() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
@@ -614,7 +614,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 * @medium
 	 */
 	function testTouchFile() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		$view->touch($filename);
@@ -638,7 +638,7 @@ class Test_Encryption_Crypt extends \PHPUnit_Framework_TestCase {
 	 * @medium
 	 */
 	function testFopenFile() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
diff --git a/apps/files_encryption/tests/keymanager.php b/apps/files_encryption/tests/keymanager.php
index 1467979f005..58a57ee5af4 100644
--- a/apps/files_encryption/tests/keymanager.php
+++ b/apps/files_encryption/tests/keymanager.php
@@ -143,7 +143,7 @@ class Test_Encryption_Keymanager extends \PHPUnit_Framework_TestCase {
 
 		$key = $this->randomKey;
 
-		$file = 'unittest-' . time() . '.txt';
+		$file = 'unittest-' . uniqid() . '.txt';
 
 		$util = new Encryption\Util($this->view, $this->userId);
 
@@ -196,7 +196,7 @@ class Test_Encryption_Keymanager extends \PHPUnit_Framework_TestCase {
 	function testRecursiveDelShareKeys() {
 
 		// generate filename
-		$filename = '/tmp-' . time() . '.txt';
+		$filename = '/tmp-' . uniqid() . '.txt';
 
 		// create folder structure
 		$this->view->mkdir('/'.Test_Encryption_Keymanager::TEST_USER.'/files/folder1');
diff --git a/apps/files_encryption/tests/proxy.php b/apps/files_encryption/tests/proxy.php
index 419f95e1a38..c3006274d6d 100644
--- a/apps/files_encryption/tests/proxy.php
+++ b/apps/files_encryption/tests/proxy.php
@@ -80,7 +80,7 @@ class Test_Encryption_Proxy extends \PHPUnit_Framework_TestCase {
 
 		// init short data
 		$this->data = 'hats';
-		$this->filename = 'enc_proxy_tests-' . time() . '.txt';
+		$this->filename = 'enc_proxy_tests-' . uniqid() . '.txt';
 
 	}
 
diff --git a/apps/files_encryption/tests/stream.php b/apps/files_encryption/tests/stream.php
index 2767bbe512b..fed2e7d89d1 100644
--- a/apps/files_encryption/tests/stream.php
+++ b/apps/files_encryption/tests/stream.php
@@ -99,7 +99,7 @@ class Test_Encryption_Stream extends \PHPUnit_Framework_TestCase {
 	}
 
 	function testStreamOptions() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
@@ -122,7 +122,7 @@ class Test_Encryption_Stream extends \PHPUnit_Framework_TestCase {
 	}
 
 	function testStreamSetBlocking() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
@@ -144,7 +144,7 @@ class Test_Encryption_Stream extends \PHPUnit_Framework_TestCase {
 	 * @medium
 	 */
 	function testStreamSetTimeout() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
@@ -163,7 +163,7 @@ class Test_Encryption_Stream extends \PHPUnit_Framework_TestCase {
 	}
 
 	function testStreamSetWriteBuffer() {
-		$filename = '/tmp-' . time();
+		$filename = '/tmp-' . uniqid();
 		$view = new \OC\Files\View('/' . $this->userId . '/files');
 
 		// Save short data as encrypted file using stream wrapper
@@ -187,9 +187,9 @@ class Test_Encryption_Stream extends \PHPUnit_Framework_TestCase {
 	 */
 	function testStreamFromLocalFile() {
 
-		$filename = '/' . $this->userId . '/files/' . 'tmp-' . time().'.txt';
+		$filename = '/' . $this->userId . '/files/' . 'tmp-' . uniqid().'.txt';
 
-		$tmpFilename = "/tmp/" . time() . ".txt";
+		$tmpFilename = "/tmp/" . uniqid() . ".txt";
 
 		// write an encrypted file
 		$cryptedFile = $this->view->file_put_contents($filename, $this->dataShort);
diff --git a/apps/files_encryption/tests/trashbin.php b/apps/files_encryption/tests/trashbin.php
index 2a41ace4015..2f9ecfd9d5d 100755
--- a/apps/files_encryption/tests/trashbin.php
+++ b/apps/files_encryption/tests/trashbin.php
@@ -119,7 +119,7 @@ class Test_Encryption_Trashbin extends \PHPUnit_Framework_TestCase {
 	function testDeleteFile() {
 
 		// generate filename
-		$filename = 'tmp-' . time() . '.txt';
+		$filename = 'tmp-' . uniqid() . '.txt';
 
 		// save file with content
 		$cryptedFile = file_put_contents('crypt:///' .\Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1. '/files/'. $filename, $this->dataShort);
@@ -223,7 +223,7 @@ class Test_Encryption_Trashbin extends \PHPUnit_Framework_TestCase {
 	function testPermanentDeleteFile() {
 
 		// generate filename
-		$filename = 'tmp-' . time() . '.txt';
+		$filename = 'tmp-' . uniqid() . '.txt';
 
 		// save file with content
 		$cryptedFile = file_put_contents('crypt:///' .$this->userId. '/files/' . $filename, $this->dataShort);
diff --git a/apps/files_encryption/tests/util.php b/apps/files_encryption/tests/util.php
index b1904cbadc7..97e3c518dac 100755
--- a/apps/files_encryption/tests/util.php
+++ b/apps/files_encryption/tests/util.php
@@ -142,8 +142,8 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 
 		self::loginHelper($this->userId);
 
-		$unencryptedFile = '/tmpUnencrypted-' . time() . '.txt';
-		$encryptedFile =  '/tmpEncrypted-' . time() . '.txt';
+		$unencryptedFile = '/tmpUnencrypted-' . uniqid() . '.txt';
+		$encryptedFile =  '/tmpEncrypted-' . uniqid() . '.txt';
 
 		// Disable encryption proxy to write a unencrypted file
 		$proxyStatus = \OC_FileProxy::$enabled;
@@ -254,7 +254,7 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 
 		\OC_User::setUserId(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
 
-		$filename = '/tmp-' . time() . '.test';
+		$filename = '/tmp-' . uniqid() . '.test';
 
 		// Disable encryption proxy to prevent recursive calls
 		$proxyStatus = \OC_FileProxy::$enabled;
@@ -282,7 +282,7 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 	function testGetFileSize() {
 		\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
 
-		$filename = 'tmp-' . time();
+		$filename = 'tmp-' . uniqid();
 		$externalFilename = '/' . $this->userId . '/files/' . $filename;
 
 		// Test for 0 byte files
@@ -318,7 +318,7 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 
 	function testEncryptAll() {
 
-		$filename = "/encryptAll" . time() . ".txt";
+		$filename = "/encryptAll" . uniqid() . ".txt";
 		$util = new Encryption\Util($this->view, $this->userId);
 
 		// disable encryption to upload a unencrypted file
@@ -350,7 +350,7 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 
 	function testDecryptAll() {
 
-		$filename = "/decryptAll" . time() . ".txt";
+		$filename = "/decryptAll" . uniqid() . ".txt";
 		$util = new Encryption\Util($this->view, $this->userId);
 
 		$this->view->file_put_contents($this->userId . '/files/' . $filename, $this->dataShort);
diff --git a/apps/files_encryption/tests/webdav.php b/apps/files_encryption/tests/webdav.php
index a2a8ce6e34f..8e8b9c53cee 100755
--- a/apps/files_encryption/tests/webdav.php
+++ b/apps/files_encryption/tests/webdav.php
@@ -113,7 +113,7 @@ class Test_Encryption_Webdav extends \PHPUnit_Framework_TestCase {
 	function testWebdavPUT() {
 
 		// generate filename
-		$filename = '/tmp-' . time() . '.txt';
+		$filename = '/tmp-' . uniqid() . '.txt';
 
 		// set server vars
 		$_SERVER['REQUEST_METHOD'] = 'OPTIONS';
diff --git a/apps/files_external/js/dropbox.js b/apps/files_external/js/dropbox.js
index 957daeb4d1f..6baaabe11b6 100644
--- a/apps/files_external/js/dropbox.js
+++ b/apps/files_external/js/dropbox.js
@@ -23,9 +23,12 @@ $(document).ready(function() {
 							$(token).val(result.access_token);
 							$(token_secret).val(result.access_token_secret);
 							$(configured).val('true');
-							OC.MountConfig.saveStorage(tr);
-							$(tr).find('.configuration input').attr('disabled', 'disabled');
-							$(tr).find('.configuration').append('<span id="access" style="padding-left:0.5em;">'+t('files_external', 'Access granted')+'</span>');
+							OC.MountConfig.saveStorage(tr, function(status) {
+								if (status) {
+									$(tr).find('.configuration input').attr('disabled', 'disabled');
+									$(tr).find('.configuration').append('<span id="access" style="padding-left:0.5em;">'+t('files_external', 'Access granted')+'</span>');
+								}
+							});
 						} else {
 							OC.dialogs.alert(result.data.message, t('files_external', 'Error configuring Dropbox storage'));
 						}
@@ -77,7 +80,6 @@ $(document).ready(function() {
 		var tr = $(this).parent().parent();
 		var app_key = $(this).parent().find('[data-parameter="app_key"]').val();
 		var app_secret = $(this).parent().find('[data-parameter="app_secret"]').val();
-		var statusSpan = $(tr).find('.status span');
 		if (app_key != '' && app_secret != '') {
 			var tr = $(this).parent().parent();
 			var configured = $(this).parent().find('[data-parameter="configured"]');
@@ -88,10 +90,9 @@ $(document).ready(function() {
 					$(configured).val('false');
 					$(token).val(result.data.request_token);
 					$(token_secret).val(result.data.request_token_secret);
-					OC.MountConfig.saveStorage(tr);
-					statusSpan.removeClass();
-					statusSpan.addClass('waiting');
-					window.location = result.data.url;
+					OC.MountConfig.saveStorage(tr, function() {
+						window.location = result.data.url;
+					});
 				} else {
 					OC.dialogs.alert(result.data.message, t('files_external', 'Error configuring Dropbox storage'));
 				}
diff --git a/apps/files_external/js/google.js b/apps/files_external/js/google.js
index b4be1c1dc41..068c2c13c66 100644
--- a/apps/files_external/js/google.js
+++ b/apps/files_external/js/google.js
@@ -32,11 +32,14 @@ $(document).ready(function() {
 							if (result && result.status == 'success') {
 								$(token).val(result.data.token);
 								$(configured).val('true');
-								OC.MountConfig.saveStorage(tr);
-								$(tr).find('.configuration input').attr('disabled', 'disabled');
-								$(tr).find('.configuration').append($('<span/>')
-									.attr('id', 'access')
-									.text(t('files_external', 'Access granted')));
+								OC.MountConfig.saveStorage(tr, function(status) {
+									if (status) {
+										$(tr).find('.configuration input').attr('disabled', 'disabled');
+										$(tr).find('.configuration').append($('<span/>')
+											.attr('id', 'access')
+											.text(t('files_external', 'Access granted')));
+									}
+								});
 							} else {
 								OC.dialogs.alert(result.data.message,
 									t('files_external', 'Error configuring Google Drive storage')
@@ -99,7 +102,6 @@ $(document).ready(function() {
 		var configured = $(this).parent().find('[data-parameter="configured"]');
 		var client_id = $(this).parent().find('[data-parameter="client_id"]').val();
 		var client_secret = $(this).parent().find('[data-parameter="client_secret"]').val();
-		var statusSpan = $(tr).find('.status span');
 		if (client_id != '' && client_secret != '') {
 			var token = $(this).parent().find('[data-parameter="token"]');
 			$.post(OC.filePath('files_external', 'ajax', 'google.php'),
@@ -112,10 +114,9 @@ $(document).ready(function() {
 					if (result && result.status == 'success') {
 						$(configured).val('false');
 						$(token).val('false');
-						OC.MountConfig.saveStorage(tr);
-						statusSpan.removeClass();
-						statusSpan.addClass('waiting');
-						window.location = result.data.url;
+						OC.MountConfig.saveStorage(tr, function(status) {
+							window.location = result.data.url;
+						});
 					} else {
 						OC.dialogs.alert(result.data.message,
 							t('files_external', 'Error configuring Google Drive storage')
diff --git a/apps/files_external/js/settings.js b/apps/files_external/js/settings.js
index 886c324e338..895f97bd2c3 100644
--- a/apps/files_external/js/settings.js
+++ b/apps/files_external/js/settings.js
@@ -12,7 +12,7 @@ function updateStatus(statusEl, result){
 }
 
 OC.MountConfig={
-	saveStorage:function(tr) {
+	saveStorage:function(tr, callback) {
 		var mountPoint = $(tr).find('.mountPoint input').val();
 		if (mountPoint == '') {
 			return false;
@@ -84,9 +84,15 @@ OC.MountConfig={
 						},
 						success: function(result) {
 							status = updateStatus(statusSpan, result);
+							if (callback) {
+								callback(status);
+							}
 						},
 						error: function(result){
 							status = updateStatus(statusSpan, result);
+							if (callback) {
+								callback(status);
+							}
 						}
 					});
 				});
@@ -137,9 +143,15 @@ OC.MountConfig={
 					},
 					success: function(result) {
 						status = updateStatus(statusSpan, result);
+						if (callback) {
+							callback(status);
+						}
 					},
 					error: function(result){
 						status = updateStatus(statusSpan, result);
+						if (callback) {
+							callback(status);
+						}
 					}
 				});
 			}
diff --git a/apps/files_external/lib/webdav.php b/apps/files_external/lib/webdav.php
index 0f8034e57d9..f6f4cb16e87 100644
--- a/apps/files_external/lib/webdav.php
+++ b/apps/files_external/lib/webdav.php
@@ -224,7 +224,7 @@ class DAV extends \OC\Files\Storage\Common{
 			if (isset($response['{DAV:}quota-available-bytes'])) {
 				return (int)$response['{DAV:}quota-available-bytes'];
 			} else {
-				return 0;
+				return \OC\Files\SPACE_UNKNOWN;
 			}
 		} catch(\Exception $e) {
 			return \OC\Files\SPACE_UNKNOWN;
diff --git a/apps/files_sharing/ajax/publicpreview.php b/apps/files_sharing/ajax/publicpreview.php
index 54a9806e8bf..a52f522afac 100644
--- a/apps/files_sharing/ajax/publicpreview.php
+++ b/apps/files_sharing/ajax/publicpreview.php
@@ -39,6 +39,7 @@ if(!isset($linkedItem['uid_owner']) || !isset($linkedItem['file_source'])) {
 $rootLinkItem = OCP\Share::resolveReShare($linkedItem);
 $userId = $rootLinkItem['uid_owner'];
 
+OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
 \OC_Util::setupFS($userId);
 \OC\Files\Filesystem::initMountPoints($userId);
 $view = new \OC\Files\View('/' . $userId . '/files');
@@ -88,4 +89,4 @@ try{
 } catch (\Exception $e) {
 	\OC_Response::setStatus(500);
 	\OC_Log::write('core', $e->getmessage(), \OC_Log::DEBUG);
-}
\ No newline at end of file
+}
diff --git a/apps/files_sharing/appinfo/update.php b/apps/files_sharing/appinfo/update.php
index 0d827da28ea..4b716e764f4 100644
--- a/apps/files_sharing/appinfo/update.php
+++ b/apps/files_sharing/appinfo/update.php
@@ -44,6 +44,7 @@ if (version_compare($installedVersion, '0.3', '<')) {
 				$shareType = OCP\Share::SHARE_TYPE_USER;
 				$shareWith = $row['uid_shared_with'];
 			}
+			OCP\JSON::checkUserExists($row['uid_owner']);
 			OC_User::setUserId($row['uid_owner']);
 			//we need to setup the filesystem for the user, otherwise OC_FileSystem::getRoot will fail and break
 			OC_Util::setupFS($row['uid_owner']);
diff --git a/apps/files_sharing/css/public.css b/apps/files_sharing/css/public.css
index 060d4dfedc7..f4121430b9e 100644
--- a/apps/files_sharing/css/public.css
+++ b/apps/files_sharing/css/public.css
@@ -141,10 +141,13 @@ thead{
 .directLink {
 	margin-bottom: 20px;
 }
-	.directLink label {
-		font-weight: normal;
-	}
-	.directLink input {
-		margin-left: 10px;
-		width: 300px;
-	}
+.directLink label {
+	font-weight: normal;
+}
+.directLink input {
+	margin-left: 10px;
+	width: 300px;
+}
+.public_actions {
+	padding: 4px;
+}
diff --git a/apps/files_sharing/js/public.js b/apps/files_sharing/js/public.js
index 2e34e6f9bc5..4c0b0ad9d48 100644
--- a/apps/files_sharing/js/public.js
+++ b/apps/files_sharing/js/public.js
@@ -59,7 +59,8 @@ $(document).ready(function() {
 	});
 
 	// Add Uploadprogress Wrapper to controls bar
-	$('#controls').append($('#additional_controls div#uploadprogresswrapper'));
+	$('#controls').append($('#controls .actions div#uploadprogresswrapper'));
+	$('#uploadprogresswrapper').addClass('public_actions');
 
 	// Cancel upload trigger
 	$('#cancel_upload_button').click(function() {
diff --git a/apps/files_sharing/lib/watcher.php b/apps/files_sharing/lib/watcher.php
index c40cf6911b8..285b1a58c6e 100644
--- a/apps/files_sharing/lib/watcher.php
+++ b/apps/files_sharing/lib/watcher.php
@@ -32,7 +32,7 @@ class Shared_Watcher extends Watcher {
 	 * @param string $path
 	 */
 	public function checkUpdate($path) {
-		if ($path != '' && parent::checkUpdate($path)) {
+		if ($path != '' && parent::checkUpdate($path) === true) {
 			// since checkUpdate() has already updated the size of the subdirs,
 			// only apply the update to the owner's parent dirs
 
diff --git a/apps/files_sharing/public.php b/apps/files_sharing/public.php
index f4042f65248..4a81e482970 100644
--- a/apps/files_sharing/public.php
+++ b/apps/files_sharing/public.php
@@ -35,7 +35,7 @@ function determineIcon($file, $sharingRoot, $sharingToken) {
 
 if (isset($_GET['t'])) {
 	$token = $_GET['t'];
-	$linkItem = OCP\Share::getShareByToken($token);
+	$linkItem = OCP\Share::getShareByToken($token, false);
 	if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
 		// seems to be a valid share
 		$type = $linkItem['item_type'];
@@ -43,10 +43,10 @@ if (isset($_GET['t'])) {
 		$shareOwner = $linkItem['uid_owner'];
 		$path = null;
 		$rootLinkItem = OCP\Share::resolveReShare($linkItem);
-		$fileOwner = $rootLinkItem['uid_owner'];
-		if (isset($fileOwner)) {
+		if (isset($rootLinkItem['uid_owner'])) {
+			OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
 			OC_Util::tearDownFS();
-			OC_Util::setupFS($fileOwner);
+			OC_Util::setupFS($rootLinkItem['uid_owner']);
 			$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
 		}
 	}
@@ -111,6 +111,7 @@ if (isset($path)) {
 		}
 	}
 	$basePath = $path;
+	$rootName = basename($path);
 	if (isset($_GET['path']) && \OC\Files\Filesystem::isReadable($basePath . $_GET['path'])) {
 		$getPath = \OC\Files\Filesystem::normalizePath($_GET['path']);
 		$path .= $getPath;
@@ -188,8 +189,8 @@ if (isset($path)) {
 					} else {
 						$i['extension'] = '';
 					}
-					$i['isPreviewAvailable'] = \OC::$server->getPreviewManager()->isMimeSupported($i['mimetype']);
 				}
+				$i['isPreviewAvailable'] = \OC::$server->getPreviewManager()->isMimeSupported($i['mimetype']);
 				$i['directory'] = $getPath;
 				$i['permissions'] = OCP\PERMISSION_READ;
 				$i['icon'] = determineIcon($i, $basePath, $token);
@@ -216,6 +217,7 @@ if (isset($path)) {
 			$list->assign('sharingroot', $basePath);
 			$breadcrumbNav = new OCP\Template('files', 'part.breadcrumb', '');
 			$breadcrumbNav->assign('breadcrumb', $breadcrumb);
+			$breadcrumbNav->assign('rootBreadCrumb', $rootName);
 			$breadcrumbNav->assign('baseURL', OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&path=');
 			$maxUploadFilesize=OCP\Util::maxUploadFilesize($path);
 			$fileHeader = (!isset($files) or count($files) > 0);
diff --git a/apps/files_sharing/templates/public.php b/apps/files_sharing/templates/public.php
index 1d527dca8eb..8b5e0976412 100644
--- a/apps/files_sharing/templates/public.php
+++ b/apps/files_sharing/templates/public.php
@@ -24,9 +24,10 @@
 
 
 			<?php if (!isset($_['folder']) || $_['allowZipDownload']): ?>
-				<a href="<?php p($_['downloadURL']); ?>" class="button" id="download"><img
-						class="svg" alt="Download" src="<?php print_unescaped(OCP\image_path("core", "actions/download.svg")); ?>"
-						/><span><?php p($l->t('Download'))?></span></a>
+				<a href="<?php p($_['downloadURL']); ?>" class="button" id="download">
+					<img class="svg" alt="Download" src="<?php print_unescaped(OCP\image_path("core", "actions/download.svg")); ?>" />
+					<span><?php p($l->t('Download'))?></span>
+				</a>
 			<?php endif; ?>
 
 			<?php if ($_['allowPublicUploadEnabled']):?>
@@ -43,28 +44,17 @@
 			<?php endif;?>
 
 
-			<div id="data-upload-form" class="button" title="<?php p($l->t('Upload') . ' max. '.$_['uploadMaxHumanFilesize']) ?>">
+			<div id="data-upload-form" title="<?php p($l->t('Upload') . ' max. '.$_['uploadMaxHumanFilesize']) ?>">
 				<input id="file_upload_start" type="file" name="files[]" data-url="<?php print_unescaped(OCP\Util::linkTo('files', 'ajax/upload.php')); ?>" multiple>
-				<a href="#" id="publicUploadButtonMock" class="svg">
+				<a href="#" id="public_upload" class="button">
+					<img class="svg" alt="Upload" src="<?php print_unescaped(OCP\image_path("core", "actions/upload.svg")); ?>" />
 					<span><?php p($l->t('Upload'))?></span>
 				</a>
 			</div>
 
 		</div>
-
-		<div id="additional_controls" style="display:none">
-			<div id="uploadprogresswrapper">
-				<div id="uploadprogressbar"></div>
-				<input id="cancel_upload_button" type="button" class="stop" style="display:none"
-				       value="<?php p($l->t('Cancel upload'));?>"
-					/>
-			</div>
-
-
-
-
+		<div>
 			<?php endif; ?>
-
 		</div>
 	</div></header>
 <div id="content">
diff --git a/apps/files_trashbin/lib/trashbin.php b/apps/files_trashbin/lib/trashbin.php
index 567f88b91b1..7544980e071 100644
--- a/apps/files_trashbin/lib/trashbin.php
+++ b/apps/files_trashbin/lib/trashbin.php
@@ -189,7 +189,7 @@ class Trashbin {
 			if ($rootView->is_dir($owner . '/files_versions/' . $ownerPath)) {
 				$size += self::calculateSize(new \OC\Files\View('/' . $owner . '/files_versions/' . $ownerPath));
 				if ($owner !== $user) {
-					$rootView->copy($owner . '/files_versions/' . $ownerPath, $owner . '/files_trashbin/versions/' . basename($ownerPath) . '.d' . $timestamp);
+					self::copy_recursive($owner . '/files_versions/' . $ownerPath, $owner . '/files_trashbin/versions/' . basename($ownerPath) . '.d' . $timestamp, $rootView);
 				}
 				$rootView->rename($owner . '/files_versions/' . $ownerPath, $user . '/files_trashbin/versions/' . $filename . '.d' . $timestamp);
 			} else if ($versions = \OCA\Files_Versions\Storage::getVersions($owner, $ownerPath)) {
@@ -247,7 +247,7 @@ class Trashbin {
 				if ($rootView->is_dir($keyfile)) {
 					$size += self::calculateSize(new \OC\Files\View($keyfile));
 					if ($owner !== $user) {
-						$rootView->copy($keyfile, $owner . '/files_trashbin/keyfiles/' . basename($ownerPath) . '.d' . $timestamp);
+						self::copy_recursive($keyfile, $owner . '/files_trashbin/keyfiles/' . basename($ownerPath) . '.d' . $timestamp, $rootView);
 					}
 					$rootView->rename($keyfile, $user . '/files_trashbin/keyfiles/' . $filename . '.d' . $timestamp);
 				} else {
@@ -265,7 +265,7 @@ class Trashbin {
 			if ($rootView->is_dir($sharekeys)) {
 				$size += self::calculateSize(new \OC\Files\View($sharekeys));
 				if ($owner !== $user) {
-					$rootView->copy($sharekeys, $owner . '/files_trashbin/share-keys/' . basename($ownerPath) . '.d' . $timestamp);
+					self::copy_recursive($sharekeys, $owner . '/files_trashbin/share-keys/' . basename($ownerPath) . '.d' . $timestamp, $rootView);
 				}
 				$rootView->rename($sharekeys, $user . '/files_trashbin/share-keys/' . $filename . '.d' . $timestamp);
 			} else {
@@ -734,7 +734,7 @@ class Trashbin {
 		// calculate available space for trash bin
 		// subtract size of files and current trash bin size from quota
 		if ($softQuota) {
-			$rootInfo = $view->getFileInfo('/files/');
+			$rootInfo = $view->getFileInfo('/files/', false);
 			$free = $quota - $rootInfo['size']; // remaining free space for user
 			if ($free > 0) {
 				$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions
diff --git a/apps/files_versions/ajax/getVersions.php b/apps/files_versions/ajax/getVersions.php
index 4f48f71d8ca..4cc1c428898 100644
--- a/apps/files_versions/ajax/getVersions.php
+++ b/apps/files_versions/ajax/getVersions.php
@@ -5,7 +5,8 @@ $source = $_GET['source'];
 $start = $_GET['start'];
 list ($uid, $filename) = OCA\Files_Versions\Storage::getUidAndFilename($source);
 $count = 5; //show the newest revisions
-if( ($versions = OCA\Files_Versions\Storage::getVersions($uid, $filename)) ) {
+$versions = OCA\Files_Versions\Storage::getVersions($uid, $filename, $source);
+if( $versions ) {
 
 	$endReached = false;
 	if (count($versions) <= $start+$count) {
diff --git a/apps/files_versions/ajax/preview.php b/apps/files_versions/ajax/preview.php
index 31525028ef3..bd9b7366ab0 100644
--- a/apps/files_versions/ajax/preview.php
+++ b/apps/files_versions/ajax/preview.php
@@ -12,18 +12,11 @@ if(!\OC_App::isEnabled('files_versions')){
 }
 
 $file = array_key_exists('file', $_GET) ? (string) urldecode($_GET['file']) : '';
-$user = array_key_exists('user', $_GET) ? $_GET['user'] : '';
 $maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : 44;
 $maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : 44;
 $version = array_key_exists('version', $_GET) ? $_GET['version'] : '';
 $scalingUp = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
 
-if($user === '') {
-	\OC_Response::setStatus(400); //400 Bad Request
-	\OC_Log::write('versions-preview', 'No user parameter was passed', \OC_Log::DEBUG);
-	exit;
-}
-
 if($file === '' && $version === '') {
 	\OC_Response::setStatus(400); //400 Bad Request
 	\OC_Log::write('versions-preview', 'No file parameter was passed', \OC_Log::DEBUG);
@@ -36,7 +29,8 @@ if($maxX === 0 || $maxY === 0) {
 	exit;
 }
 
-try{
+try {
+	list($user, $file) = \OCA\Files_Versions\Storage::getUidAndFilename($file);
 	$preview = new \OC\Preview($user, 'files_versions', $file.'.v'.$version);
 	$mimetype = \OC_Helper::getFileNameMimeType($file);
 	$preview->setMimetype($mimetype);
diff --git a/apps/files_versions/lib/versions.php b/apps/files_versions/lib/versions.php
index 7e6cc818efb..328ed4305f4 100644
--- a/apps/files_versions/lib/versions.php
+++ b/apps/files_versions/lib/versions.php
@@ -261,11 +261,12 @@ class Storage {
 
 	/**
 	 * @brief get a list of all available versions of a file in descending chronological order
-	 * @param $uid user id from the owner of the file
-	 * @param $filename file to find versions of, relative to the user files dir
-	 * @returns array
+	 * @param string $uid user id from the owner of the file
+	 * @param string $filename file to find versions of, relative to the user files dir
+	 * @param string $userFullPath
+	 * @returns array versions newest version first
 	 */
-	public static function getVersions($uid, $filename) {
+	public static function getVersions($uid, $filename, $userFullPath = '') {
 		$versions = array();
 		// fetch for old versions
 		$view = new \OC\Files\View('/' . $uid . '/' . self::VERSIONS_ROOT);
@@ -286,7 +287,11 @@ class Storage {
 					$versions[$key]['cur'] = 0;
 					$versions[$key]['version'] = $version;
 					$versions[$key]['humanReadableTimestamp'] = self::getHumanReadableTimestamp($version);
-					$versions[$key]['preview'] = \OCP\Util::linkToRoute('core_ajax_versions_preview', array('file' => $filename, 'version' => $version, 'user' => $uid));
+					if (empty($userFullPath)) {
+						$versions[$key]['preview'] = '';
+					} else {
+						$versions[$key]['preview'] = \OCP\Util::linkToRoute('core_ajax_versions_preview', array('file' => $userFullPath, 'version' => $version));
+					}
 					$versions[$key]['path'] = $filename;
 					$versions[$key]['name'] = $versionedFile;
 					$versions[$key]['size'] = $file['size'];
@@ -392,12 +397,13 @@ class Storage {
 			}
 		}
 
-		ksort($versions);
+		// newest version first
+		krsort($versions);
 
 		$result = array();
 
 		foreach ($versions as $key => $value) {
-			$size = $view->filesize($value['path']);
+			$size = $view->filesize(self::VERSIONS_ROOT.'/'.$value['path'].'.v'.$value['timestamp']);
 			$filename = $value['path'];
 
 			$result['all'][$key]['version'] = $value['timestamp'];
@@ -413,6 +419,63 @@ class Storage {
 	}
 
 	/**
+	 * @brief get list of files we want to expire
+	 * @param int $currentTime timestamp of current time
+	 * @param array $versions list of versions
+	 * @return array containing the list of to deleted versions and the size of them
+	 */
+	protected static function getExpireList($time, $versions) {
+
+		$size = 0;
+		$toDelete = array();  // versions we want to delete
+
+		$interval = 1;
+		$step = Storage::$max_versions_per_interval[$interval]['step'];
+		if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] == -1) {
+			$nextInterval = -1;
+		} else {
+			$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
+		}
+
+		$firstVersion = reset($versions);
+		$firstKey = key($versions);
+		$prevTimestamp = $firstVersion['version'];
+		$nextVersion = $firstVersion['version'] - $step;
+		unset($versions[$firstKey]);
+
+		foreach ($versions as $key => $version) {
+			$newInterval = true;
+			while ($newInterval) {
+				if ($nextInterval == -1 || $prevTimestamp > $nextInterval) {
+					if ($version['version'] > $nextVersion) {
+						//distance between two version too small, mark to delete
+						$toDelete[$key] = $version['path'] . '.v' . $version['version'];
+						$size += $version['size'];
+						\OCP\Util::writeLog('files_versions', 'Mark to expire '. $version['path'] .' next version should be ' . $nextVersion . " or smaller. (prevTimestamp: " . $prevTimestamp . "; step: " . $step, \OCP\Util::DEBUG);
+					} else {
+						$nextVersion = $version['version'] - $step;
+						$prevTimestamp = $version['version'];
+					}
+					$newInterval = false; // version checked so we can move to the next one
+				} else { // time to move on to the next interval
+					$interval++;
+					$step = Storage::$max_versions_per_interval[$interval]['step'];
+					$nextVersion = $prevTimestamp - $step;
+					if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] == -1) {
+						$nextInterval = -1;
+					} else {
+						$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
+					}
+					$newInterval = true; // we changed the interval -> check same version with new interval
+				}
+			}
+		}
+
+		return array($toDelete, $size);
+
+	}
+
+	/**
 	 * @brief Erase a file's versions which exceed the set quota
 	 */
 	private static function expire($filename, $versionsSize = null, $offset = 0) {
@@ -445,7 +508,7 @@ class Storage {
 			// subtract size of files and current versions size from quota
 			if ($softQuota) {
 				$files_view = new \OC\Files\View('/'.$uid.'/files');
-				$rootInfo = $files_view->getFileInfo('/');
+				$rootInfo = $files_view->getFileInfo('/', false);
 				$free = $quota-$rootInfo['size']; // remaining free space for user
 				if ( $free > 0 ) {
 					$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - ($versionsSize + $offset); // how much space can be used for versions
@@ -456,33 +519,35 @@ class Storage {
 				$availableSpace = $quota - $offset;
 			}
 
-
-			// with the  probability of 0.1% we reduce the number of all versions not only for the current file
-			$random = rand(0, 1000);
-			if ($random == 0) {
-				$allFiles = true;
-			} else {
-				$allFiles = false;
-			}
-
 			$allVersions = Storage::getVersions($uid, $filename);
-			$versionsByFile[$filename] = $allVersions;
 
-			$sizeOfDeletedVersions = self::delOldVersions($versionsByFile, $allVersions, $versionsFileview);
+			$time = time();
+			list($toDelete, $sizeOfDeletedVersions) = self::getExpireList($time, $allVersions);
+
 			$availableSpace = $availableSpace + $sizeOfDeletedVersions;
 			$versionsSize = $versionsSize - $sizeOfDeletedVersions;
 
 			// if still not enough free space we rearrange the versions from all files
-			if ($availableSpace <= 0 || $allFiles) {
+			if ($availableSpace <= 0) {
 				$result = Storage::getAllVersions($uid);
-				$versionsByFile = $result['by_file'];
 				$allVersions = $result['all'];
 
-				$sizeOfDeletedVersions = self::delOldVersions($versionsByFile, $allVersions, $versionsFileview);
+				foreach ($result['by_file'] as $versions) {
+					list($toDeleteNew, $size) = self::getExpireList($time, $versions);
+					$toDelete = array_merge($toDelete, $toDeleteNew);
+					$sizeOfDeletedVersions += $size;
+				}
 				$availableSpace = $availableSpace + $sizeOfDeletedVersions;
 				$versionsSize = $versionsSize - $sizeOfDeletedVersions;
 			}
 
+			foreach($toDelete as $key => $path) {
+				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path));
+				$versionsFileview->unlink($path);
+				unset($allVersions[$key]); // update array with the versions we keep
+				\OCP\Util::writeLog('files_versions', "Expire: " . $path, \OCP\Util::DEBUG);
+			}
+
 			// Check if enough space is available after versions are rearranged.
 			// If not we delete the oldest versions until we meet the size limit for versions,
 			// but always keep the two latest versions
@@ -492,6 +557,7 @@ class Storage {
 				$version = current($allVersions);
 				$versionsFileview->unlink($version['path'].'.v'.$version['version']);
 				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version']));
+				\OCP\Util::writeLog('files_versions', 'running out of space! Delete oldest version: ' . $version['path'].'.v'.$version['version'] , \OCP\Util::DEBUG);
 				$versionsSize -= $version['size'];
 				$availableSpace += $version['size'];
 				next($allVersions);
@@ -505,69 +571,6 @@ class Storage {
 	}
 
 	/**
-	 * @brief delete old version from a given list of versions
-	 *
-	 * @param array $versionsByFile list of versions ordered by files
-	 * @param array $allVversions all versions accross multiple files
-	 * @param $versionsFileview OC\Files\View on data/user/files_versions
-	 * @return size of releted versions
-	 */
-	private static function delOldVersions($versionsByFile, &$allVersions, $versionsFileview) {
-
-		$time = time();
-		$size = 0;
-
-		// delete old versions for every given file
-		foreach ($versionsByFile as $versions) {
-			$versions = array_reverse($versions); // newest version first
-
-			$interval = 1;
-			$step = Storage::$max_versions_per_interval[$interval]['step'];
-			if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] == -1) {
-				$nextInterval = -1;
-			} else {
-				$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
-			}
-
-			$firstVersion = reset($versions);
-			$firstKey = key($versions);
-			$prevTimestamp = $firstVersion['version'];
-			$nextVersion = $firstVersion['version'] - $step;
-			unset($versions[$firstKey]);
-
-			foreach ($versions as $key => $version) {
-				$newInterval = true;
-				while ($newInterval) {
-					if ($nextInterval == -1 || $version['version'] >= $nextInterval) {
-						if ($version['version'] > $nextVersion) {
-							//distance between two version too small, delete version
-							$versionsFileview->unlink($version['path'] . '.v' . $version['version']);
-							\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'] . '.v' . $version['version']));
-							$size += $version['size'];
-							unset($allVersions[$key]); // update array with all versions
-						} else {
-							$nextVersion = $version['version'] - $step;
-						}
-						$newInterval = false; // version checked so we can move to the next one
-					} else { // time to move on to the next interval
-						$interval++;
-						$step = Storage::$max_versions_per_interval[$interval]['step'];
-						$nextVersion = $prevTimestamp - $step;
-						if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] == -1) {
-							$nextInterval = -1;
-						} else {
-							$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
-						}
-						$newInterval = true; // we changed the interval -> check same version with new interval
-					}
-				}
-				$prevTimestamp = $version['version'];
-			}
-		}
-		return $size;
-	}
-
-	/**
 	 * @brief create recursively missing directories
 	 * @param string $filename $path to a file
 	 * @param \OC\Files\View $view view on data/user/
diff --git a/apps/files_versions/tests/versions.php b/apps/files_versions/tests/versions.php
new file mode 100644
index 00000000000..25490aa1a04
--- /dev/null
+++ b/apps/files_versions/tests/versions.php
@@ -0,0 +1,188 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Bjoern Schiessle
+ * @copyright 2014 Bjoern Schiessle <schiessle@owncloud.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+require_once __DIR__ . '/../lib/versions.php';
+
+/**
+ * Class Test_Files_versions
+ * @brief this class provide basic files versions test
+ */
+class Test_Files_Versioning extends \PHPUnit_Framework_TestCase {
+
+
+	/**
+	 * @medium
+	 * @brief test expire logic
+	 * @dataProvider versionsProvider
+	 */
+	function testGetExpireList($versions, $sizeOfAllDeletedFiles) {
+
+		// last interval enda at 2592000
+		$startTime = 5000000;
+
+		$testClass = new VersionStorageToTest();
+		list($deleted, $size) = $testClass->callProtectedGetExpireList($startTime, $versions);
+
+		// we should have deleted 16 files each of the size 1
+		$this->assertEquals($sizeOfAllDeletedFiles, $size);
+
+		// the deleted array should only contain versions which should be deleted
+		foreach($deleted as $key => $path) {
+			unset($versions[$key]);
+			$this->assertEquals("delete", substr($path, 0, strlen("delete")));
+		}
+
+		// the versions array should only contain versions which should be kept
+		foreach ($versions as $version) {
+			$this->assertEquals("keep", $version['path']);
+		}
+
+	}
+
+	public function versionsProvider() {
+		return array(
+			// first set of versions uniformly distributed versions
+			array(
+				array(
+					// first slice (10sec) keep one version every 2 seconds
+					array("version" => 4999999, "path" => "keep", "size" => 1),
+					array("version" => 4999998, "path" => "delete", "size" => 1),
+					array("version" => 4999997, "path" => "keep", "size" => 1),
+					array("version" => 4999995, "path" => "keep", "size" => 1),
+					array("version" => 4999994, "path" => "delete", "size" => 1),
+					//next slice (60sec) starts at 4999990 keep one version every 10 secons
+					array("version" => 4999988, "path" => "keep", "size" => 1),
+					array("version" => 4999978, "path" => "keep", "size" => 1),
+					array("version" => 4999975, "path" => "delete", "size" => 1),
+					array("version" => 4999972, "path" => "delete", "size" => 1),
+					array("version" => 4999967, "path" => "keep", "size" => 1),
+					array("version" => 4999958, "path" => "delete", "size" => 1),
+					array("version" => 4999957, "path" => "keep", "size" => 1),
+					//next slice (3600sec) start at 4999940 keep one version every 60 seconds
+					array("version" => 4999900, "path" => "keep", "size" => 1),
+					array("version" => 4999841, "path" => "delete", "size" => 1),
+					array("version" => 4999840, "path" => "keep", "size" => 1),
+					array("version" => 4999780, "path" => "keep", "size" => 1),
+					array("version" => 4996401, "path" => "keep", "size" => 1),
+					// next slice (86400sec) start at 4996400 keep one version every 3600 seconds
+					array("version" => 4996350, "path" => "delete", "size" => 1),
+					array("version" => 4992800, "path" => "keep", "size" => 1),
+					array("version" => 4989800, "path" => "delete", "size" => 1),
+					array("version" => 4989700, "path" => "delete", "size" => 1),
+					array("version" => 4989200, "path" => "keep", "size" => 1),
+					// next slice (2592000sec) start at 4913600 keep one version every 86400 seconds
+					array("version" => 4913600, "path" => "keep", "size" => 1),
+					array("version" => 4852800, "path" => "delete", "size" => 1),
+					array("version" => 4827201, "path" => "delete", "size" => 1),
+					array("version" => 4827200, "path" => "keep", "size" => 1),
+					array("version" => 4777201, "path" => "delete", "size" => 1),
+					array("version" => 4777501, "path" => "delete", "size" => 1),
+					array("version" => 4740000, "path" => "keep", "size" => 1),
+					// final slice starts at 2408000 keep one version every 604800 secons
+					array("version" => 2408000, "path" => "keep", "size" => 1),
+					array("version" => 1803201, "path" => "delete", "size" => 1),
+					array("version" => 1803200, "path" => "keep", "size" => 1),
+					array("version" => 1800199, "path" => "delete", "size" => 1),
+					array("version" => 1800100, "path" => "delete", "size" => 1),
+					array("version" => 1198300, "path" => "keep", "size" => 1),
+				),
+				16 // size of all deleted files (every file has the size 1)
+			),
+			// second set of versions, here we have only really old versions
+			array(
+				array(
+					// first slice (10sec) keep one version every 2 seconds
+					// next slice (60sec) starts at 4999990 keep one version every 10 secons
+					// next slice (3600sec) start at 4999940 keep one version every 60 seconds
+					// next slice (86400sec) start at 4996400 keep one version every 3600 seconds
+					array("version" => 4996400, "path" => "keep", "size" => 1),
+					array("version" => 4996350, "path" => "delete", "size" => 1),
+					array("version" => 4996350, "path" => "delete", "size" => 1),
+					array("version" => 4992800, "path" => "keep", "size" => 1),
+					array("version" => 4989800, "path" => "delete", "size" => 1),
+					array("version" => 4989700, "path" => "delete", "size" => 1),
+					array("version" => 4989200, "path" => "keep", "size" => 1),
+					// next slice (2592000sec) start at 4913600 keep one version every 86400 seconds
+					array("version" => 4913600, "path" => "keep", "size" => 1),
+					array("version" => 4852800, "path" => "delete", "size" => 1),
+					array("version" => 4827201, "path" => "delete", "size" => 1),
+					array("version" => 4827200, "path" => "keep", "size" => 1),
+					array("version" => 4777201, "path" => "delete", "size" => 1),
+					array("version" => 4777501, "path" => "delete", "size" => 1),
+					array("version" => 4740000, "path" => "keep", "size" => 1),
+					// final slice starts at 2408000 keep one version every 604800 secons
+					array("version" => 2408000, "path" => "keep", "size" => 1),
+					array("version" => 1803201, "path" => "delete", "size" => 1),
+					array("version" => 1803200, "path" => "keep", "size" => 1),
+					array("version" => 1800199, "path" => "delete", "size" => 1),
+					array("version" => 1800100, "path" => "delete", "size" => 1),
+					array("version" => 1198300, "path" => "keep", "size" => 1),
+				),
+				11 // size of all deleted files (every file has the size 1)
+			),
+			// third set of versions, with some gaps inbetween
+			array(
+				array(
+					// first slice (10sec) keep one version every 2 seconds
+					array("version" => 4999999, "path" => "keep", "size" => 1),
+					array("version" => 4999998, "path" => "delete", "size" => 1),
+					array("version" => 4999997, "path" => "keep", "size" => 1),
+					array("version" => 4999995, "path" => "keep", "size" => 1),
+					array("version" => 4999994, "path" => "delete", "size" => 1),
+					//next slice (60sec) starts at 4999990 keep one version every 10 secons
+					array("version" => 4999988, "path" => "keep", "size" => 1),
+					array("version" => 4999978, "path" => "keep", "size" => 1),
+					//next slice (3600sec) start at 4999940 keep one version every 60 seconds
+					// next slice (86400sec) start at 4996400 keep one version every 3600 seconds
+					array("version" => 4989200, "path" => "keep", "size" => 1),
+					// next slice (2592000sec) start at 4913600 keep one version every 86400 seconds
+					array("version" => 4913600, "path" => "keep", "size" => 1),
+					array("version" => 4852800, "path" => "delete", "size" => 1),
+					array("version" => 4827201, "path" => "delete", "size" => 1),
+					array("version" => 4827200, "path" => "keep", "size" => 1),
+					array("version" => 4777201, "path" => "delete", "size" => 1),
+					array("version" => 4777501, "path" => "delete", "size" => 1),
+					array("version" => 4740000, "path" => "keep", "size" => 1),
+					// final slice starts at 2408000 keep one version every 604800 secons
+					array("version" => 2408000, "path" => "keep", "size" => 1),
+					array("version" => 1803201, "path" => "delete", "size" => 1),
+					array("version" => 1803200, "path" => "keep", "size" => 1),
+					array("version" => 1800199, "path" => "delete", "size" => 1),
+					array("version" => 1800100, "path" => "delete", "size" => 1),
+					array("version" => 1198300, "path" => "keep", "size" => 1),
+				),
+				9 // size of all deleted files (every file has the size 1)
+			),
+
+		);
+	}
+
+}
+
+// extend the original class to make it possible to test protected methods
+class VersionStorageToTest extends \OCA\Files_Versions\Storage {
+
+	public function callProtectedGetExpireList($time, $versions) {
+		return self::getExpireList($time, $versions);
+
+	}
+}
diff --git a/apps/user_ldap/lib/helper.php b/apps/user_ldap/lib/helper.php
index 09f646921e3..9727d847d27 100644
--- a/apps/user_ldap/lib/helper.php
+++ b/apps/user_ldap/lib/helper.php
@@ -48,18 +48,25 @@ class Helper {
 	static public function getServerConfigurationPrefixes($activeConfigurations = false) {
 		$referenceConfigkey = 'ldap_configuration_active';
 
-		$query = '
+		$sql = '
 			SELECT DISTINCT `configkey`
 			FROM `*PREFIX*appconfig`
 			WHERE `appid` = \'user_ldap\'
 				AND `configkey` LIKE ?
 		';
+
 		if($activeConfigurations) {
-			$query .= ' AND `configvalue` = \'1\'';
+			if (\OC_Config::getValue( 'dbtype', 'sqlite' ) === 'oci') {
+				//FIXME oracle hack: need to explicitly cast CLOB to CHAR for comparison
+				$sql .= ' AND to_char(`configvalue`)=\'1\'';
+			} else {
+				$sql .= ' AND `configvalue` = \'1\'';
+			}
 		}
-		$query = \OCP\DB::prepare($query);
 
-		$serverConfigs = $query->execute(array('%'.$referenceConfigkey))->fetchAll();
+		$stmt = \OCP\DB::prepare($sql);
+
+		$serverConfigs = $stmt->execute(array('%'.$referenceConfigkey))->fetchAll();
 		$prefixes = array();
 
 		foreach($serverConfigs as $serverConfig) {