diff --git a/apps/files/js/file-upload.js b/apps/files/js/file-upload.js
index 5bf4f5c098..95c0723f25 100644
--- a/apps/files/js/file-upload.js
+++ b/apps/files/js/file-upload.js
@@ -334,8 +334,13 @@ $(document).ready(function() {
 				var result=$.parseJSON(response);
 
 				delete data.jqXHR;
-				
-				if (typeof result[0] === 'undefined') {
+
+				if (result.status === 'error' && result.data && result.data.message){
+					data.textStatus = 'servererror';
+					data.errorThrown = result.data.message;
+					var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
+					fu._trigger('fail', e, data);
+				} else if (typeof result[0] === 'undefined') {
 					data.textStatus = 'servererror';
 					data.errorThrown = t('files', 'Could not get result from server.');
 					var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
diff --git a/apps/files_sharing/css/public.css b/apps/files_sharing/css/public.css
index 3e1dec9bbe..801c27506f 100644
--- a/apps/files_sharing/css/public.css
+++ b/apps/files_sharing/css/public.css
@@ -4,14 +4,14 @@ body {
 
 #header {
 	background: #1d2d44 url('%webroot%/core/img/noise.png') repeat;
-	height:2.5em;
+	height:32px;
 	left:0;
-	line-height:2.5em;
+	line-height:32px;
 	position:fixed;
 	right:0;
 	top:0;
 	z-index:100;
-	padding:.5em;
+	padding:7px;
 }
 
 #details {
@@ -24,13 +24,18 @@ body {
 	font-weight:700;
 	margin: 0 0.4em 0 0;
 	padding: 0 5px;
-	height: 27px;
+	height: 32px;
 	float: left;
 
 }
 
 .header-right #details {
-	margin-right: 2em;
+	margin-right: 28px;
+}
+
+.header-right {
+	padding: 0;
+	height: 32px;
 }
 
 #public_upload {
@@ -90,7 +95,7 @@ thead{
 #data-upload-form {
 	position: relative;
 	right: 0;
-	height: 27px;
+	height: 32px;
 	overflow: hidden;
 	padding: 0;
 	float: right;
@@ -109,27 +114,20 @@ thead{
 	width: 100% !important;
 }
 
-#download span {
-	position: relative;
-	bottom: 3px;
-}
-
 #publicUploadButtonMock {
 	position:relative;
 	display:block;
 	width:100%;
-	height:27px;
+	height:32px;
 	cursor:pointer;
 	z-index:10;
 	background-image:url('%webroot%/core/img/actions/upload.svg');
 	background-repeat:no-repeat;
-	background-position:7px 6px;
+	background-position:7px 8px;
 }
 
 #publicUploadButtonMock span {
 	margin: 0 5px 0 28px;
-	position: relative;
-	top: -2px;
 	color: #555;
 }
 
diff --git a/apps/files_sharing/js/share.js b/apps/files_sharing/js/share.js
index 68f6f3ba76..340e093944 100644
--- a/apps/files_sharing/js/share.js
+++ b/apps/files_sharing/js/share.js
@@ -35,14 +35,14 @@ $(document).ready(function() {
 				if ($(tr).data('id') != $('#dropdown').attr('data-item-source')) {
 					OC.Share.hideDropDown(function () {
 						$(tr).addClass('mouseOver');
-						OC.Share.showDropDown(itemType, $(tr).data('id'), appendTo, true, possiblePermissions);
+						OC.Share.showDropDown(itemType, $(tr).data('id'), appendTo, true, possiblePermissions, filename);
 					});
 				} else {
 					OC.Share.hideDropDown();
 				}
 			} else {
 				$(tr).addClass('mouseOver');
-				OC.Share.showDropDown(itemType, $(tr).data('id'), appendTo, true, possiblePermissions);
+				OC.Share.showDropDown(itemType, $(tr).data('id'), appendTo, true, possiblePermissions, filename);
 			}
 		});
 	}
diff --git a/core/ajax/share.php b/core/ajax/share.php
index 0dacc17d3a..be02c05635 100644
--- a/core/ajax/share.php
+++ b/core/ajax/share.php
@@ -41,7 +41,8 @@ if (isset($_POST['action']) && isset($_POST['itemType']) && isset($_POST['itemSo
 						$_POST['itemSource'],
 						$shareType,
 						$shareWith,
-						$_POST['permissions']
+						$_POST['permissions'],
+						$_POST['itemSourceName']
 					);
 
 					if (is_string($token)) {
diff --git a/core/js/share.js b/core/js/share.js
index ff557652b6..c53fa4110b 100644
--- a/core/js/share.js
+++ b/core/js/share.js
@@ -136,8 +136,17 @@ OC.Share={
 
 		return data;
 	},
-	share:function(itemType, itemSource, shareType, shareWith, permissions, callback) {
-		$.post(OC.filePath('core', 'ajax', 'share.php'), { action: 'share', itemType: itemType, itemSource: itemSource, shareType: shareType, shareWith: shareWith, permissions: permissions }, function(result) {
+	share:function(itemType, itemSource, shareType, shareWith, permissions, itemSourceName, callback) {
+		$.post(OC.filePath('core', 'ajax', 'share.php'),
+			{
+				action: 'share',
+				itemType: itemType,
+				itemSource: itemSource,
+				shareType: shareType,
+				shareWith: shareWith,
+				permissions: permissions,
+				itemSourceName: itemSourceName
+			}, function (result) {
 			if (result && result.status === 'success') {
 				if (callback) {
 					callback(result.data);
@@ -170,9 +179,9 @@ OC.Share={
 			}
 		});
 	},
-	showDropDown:function(itemType, itemSource, appendTo, link, possiblePermissions) {
+	showDropDown:function(itemType, itemSource, appendTo, link, possiblePermissions, filename) {
 		var data = OC.Share.loadItem(itemType, itemSource);
-		var html = '<div id="dropdown" class="drop" data-item-type="'+itemType+'" data-item-source="'+itemSource+'">';
+		var html = '<div id="dropdown" class="drop" data-item-type="'+itemType+'" data-item-source="'+itemSource+'"" data-item-source-name="'+filename+'">';
 		if (data !== false && data.reshare !== false && data.reshare.uid_owner !== undefined) {
 			if (data.reshare.share_type == OC.Share.SHARE_TYPE_GROUP) {
 				html += '<span class="reshare">'+t('core', 'Shared with you and the group {group} by {owner}', {group: escapeHTML(data.reshare.share_with), owner: escapeHTML(data.reshare.displayname_owner)})+'</span>';
@@ -276,12 +285,13 @@ OC.Share={
 				event.stopPropagation();
 				var itemType = $('#dropdown').data('item-type');
 				var itemSource = $('#dropdown').data('item-source');
+				var itemSourceName = $('#dropdown').data('item-source-name');
 				var shareType = selected.item.value.shareType;
 				var shareWith = selected.item.value.shareWith;
 				$(this).val(shareWith);
 				// Default permissions are Edit (CRUD) and Share
 				var permissions = OC.PERMISSION_ALL;
-				OC.Share.share(itemType, itemSource, shareType, shareWith, permissions, function() {
+				OC.Share.share(itemType, itemSource, shareType, shareWith, permissions, itemSourceName, function() {
 					OC.Share.addShareWith(shareType, shareWith, selected.item.label, permissions, possiblePermissions);
 					$('#shareWith').val('');
 					OC.Share.updateIcon(itemType, itemSource);
@@ -573,9 +583,10 @@ $(document).ready(function() {
 	$(document).on('change', '#dropdown #linkCheckbox', function() {
 		var itemType = $('#dropdown').data('item-type');
 		var itemSource = $('#dropdown').data('item-source');
+		var itemSourceName = $('#dropdown').data('item-source-name');
 		if (this.checked) {
 			// Create a link
-			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', OC.PERMISSION_READ, function(data) {
+			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', OC.PERMISSION_READ, itemSourceName, function(data) {
 				OC.Share.showLink(data.token, null, itemSource);
 				OC.Share.updateIcon(itemType, itemSource);
 			});
@@ -604,6 +615,7 @@ $(document).ready(function() {
 		var allowPublicUpload = $(this).is(':checked');
 		var itemType = $('#dropdown').data('item-type');
 		var itemSource = $('#dropdown').data('item-source');
+		var itemSourceName = $('#dropdown').data('item-source-name');
 		var permissions = 0;
 
 		// Calculate permissions
@@ -614,7 +626,7 @@ $(document).ready(function() {
 		}
 
 		// Update the share information
-		OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', permissions, function(data) {
+		OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', permissions, itemSourceName, function(data) {
 		});
 	});
 
@@ -623,6 +635,7 @@ $(document).ready(function() {
 		if (!$('#showPassword').is(':checked') ) {
 			var itemType = $('#dropdown').data('item-type');
 			var itemSource = $('#dropdown').data('item-source');
+			var itemSourceName = $('#dropdown').data('item-source-name');
 			var allowPublicUpload = $('#sharingDialogAllowPublicUpload').is(':checked');
 			var permissions = 0;
 
@@ -634,7 +647,7 @@ $(document).ready(function() {
 			}
 
 
-			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', permissions);
+			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', permissions, itemSourceName);
 		} else {
 			$('#linkPassText').focus();
 		}
@@ -648,6 +661,7 @@ $(document).ready(function() {
 			var dropDown = $('#dropdown');
 			var itemType = dropDown.data('item-type');
 			var itemSource = dropDown.data('item-source');
+			var itemSourceName = $('#dropdown').data('item-source-name');
 			var permissions = 0;
 
 			// Calculate permissions
@@ -657,7 +671,7 @@ $(document).ready(function() {
 				permissions = OC.PERMISSION_READ;
 			}
 
-			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, $('#linkPassText').val(), permissions, function() {
+			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, $('#linkPassText').val(), permissions, itemSourceName, function() {
 				console.log("password set to: '" + linkPassText.val() +"' by event: " + event.type);
 				linkPassText.val('');
 				linkPassText.attr('placeholder', t('core', 'Password protected'));
diff --git a/lib/private/files/cache/cache.php b/lib/private/files/cache/cache.php
index fc2d965d7f..c1e5b34c8a 100644
--- a/lib/private/files/cache/cache.php
+++ b/lib/private/files/cache/cache.php
@@ -64,6 +64,10 @@ class Cache {
 	 * @return int
 	 */
 	public function getMimetypeId($mime) {
+		if (empty($mime)) {
+			// Can not insert empty string into Oracle NOT NULL column.
+			$mime = 'application/octet-stream';
+		}
 		if (empty(self::$mimetypeIds)) {
 			$this->loadMimetypes();
 		}
diff --git a/lib/private/files/type/detection.php b/lib/private/files/type/detection.php
index 242a81cb5a..d7cc9ebbf4 100644
--- a/lib/private/files/type/detection.php
+++ b/lib/private/files/type/detection.php
@@ -61,8 +61,6 @@ class Detection {
 	 * @return string
 	 */
 	public function detect($path) {
-		$isWrapped = (strpos($path, '://') !== false) and (substr($path, 0, 7) === 'file://');
-
 		if (@is_dir($path)) {
 			// directories are easy
 			return "httpd/unix-directory";
@@ -76,9 +74,11 @@ class Detection {
 			$info = @strtolower(finfo_file($finfo, $path));
 			if ($info) {
 				$mimeType = substr($info, 0, strpos($info, ';'));
+				return empty($mimeType) ? 'application/octet-stream' : $mimeType;
 			}
 			finfo_close($finfo);
 		}
+		$isWrapped = (strpos($path, '://') !== false) and (substr($path, 0, 7) === 'file://');
 		if (!$isWrapped and $mimeType === 'application/octet-stream' && function_exists("mime_content_type")) {
 			// use mime magic extension if available
 			$mimeType = mime_content_type($path);
@@ -94,6 +94,10 @@ class Detection {
 			//trim the newline
 			$mimeType = trim($reply);
 
+			if (empty($mimeType)) {
+				$mimeType = 'application/octet-stream';
+			}
+
 		}
 		return $mimeType;
 	}
diff --git a/lib/private/urlgenerator.php b/lib/private/urlgenerator.php
index 1ec10fe568..7795011fd0 100644
--- a/lib/private/urlgenerator.php
+++ b/lib/private/urlgenerator.php
@@ -88,27 +88,27 @@ class URLGenerator implements IURLGenerator {
 		if (file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$app/img/$image")) {
 			return \OC::$WEBROOT . "/themes/$theme/apps/$app/img/$image";
 		} elseif (!file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$app/img/$basename.svg")
-				&& file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$app/img/$basename.png")) {
+			&& file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$app/img/$basename.png")) {
 			return \OC::$WEBROOT . "/themes/$theme/apps/$app/img/$basename.png";
 		} elseif (file_exists(\OC_App::getAppPath($app) . "/img/$image")) {
 			return \OC_App::getAppWebPath($app) . "/img/$image";
 		} elseif (!file_exists(\OC_App::getAppPath($app) . "/img/$basename.svg")
-				&& file_exists(\OC_App::getAppPath($app) . "/img/$basename.png")) {
+			&& file_exists(\OC_App::getAppPath($app) . "/img/$basename.png")) {
 			return \OC_App::getAppPath($app) . "/img/$basename.png";
 		} elseif (!empty($app) and file_exists(\OC::$SERVERROOT . "/themes/$theme/$app/img/$image")) {
 			return \OC::$WEBROOT . "/themes/$theme/$app/img/$image";
 		} elseif (!empty($app) and (!file_exists(\OC::$SERVERROOT . "/themes/$theme/$app/img/$basename.svg")
-				&& file_exists(\OC::$WEBROOT . "/themes/$theme/$app/img/$basename.png"))) {
+			&& file_exists(\OC::$SERVERROOT . "/themes/$theme/$app/img/$basename.png"))) {
 			return \OC::$WEBROOT . "/themes/$theme/$app/img/$basename.png";
 		} elseif (!empty($app) and file_exists(\OC::$SERVERROOT . "/$app/img/$image")) {
 			return \OC::$WEBROOT . "/$app/img/$image";
 		} elseif (!empty($app) and (!file_exists(\OC::$SERVERROOT . "/$app/img/$basename.svg")
-				&& file_exists(\OC::$WEBROOT . "/$app/img/$basename.png"))) {
+			&& file_exists(\OC::$SERVERROOT . "/$app/img/$basename.png"))) {
 			return \OC::$WEBROOT . "/$app/img/$basename.png";
 		} elseif (file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$image")) {
 			return \OC::$WEBROOT . "/themes/$theme/core/img/$image";
 		} elseif (!file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$basename.svg")
-				&& file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$basename.png")) {
+			&& file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$basename.png")) {
 			return \OC::$WEBROOT . "/themes/$theme/core/img/$basename.png";
 		} elseif (file_exists(\OC::$SERVERROOT . "/core/img/$image")) {
 			return \OC::$WEBROOT . "/core/img/$image";
diff --git a/lib/private/user.php b/lib/private/user.php
index 6b350d4cf1..710f0fd66d 100644
--- a/lib/private/user.php
+++ b/lib/private/user.php
@@ -187,18 +187,25 @@ class OC_User {
 	public static function deleteUser($uid) {
 		$user = self::getManager()->get($uid);
 		if ($user) {
-			$user->delete();
+			$result = $user->delete();
 
-			// We have to delete the user from all groups
-			foreach (OC_Group::getUserGroups($uid) as $i) {
-				OC_Group::removeFromGroup($uid, $i);
+			// if delete was successful we clean-up the rest
+			if ($result) {
+
+				// We have to delete the user from all groups
+				foreach (OC_Group::getUserGroups($uid) as $i) {
+					OC_Group::removeFromGroup($uid, $i);
+					}
+				// Delete the user's keys in preferences
+					OC_Preferences::deleteUser($uid);
+
+				// Delete user files in /data/
+				OC_Helper::rmdirr(OC_Config::getValue('datadirectory', OC::$SERVERROOT . '/data') . '/' . $uid . '/');
+
+				// Remove it from the Cache
+				self::getManager()->delete($uid);
 			}
-			// Delete the user's keys in preferences
-			OC_Preferences::deleteUser($uid);
 
-			// Delete user files in /data/
-			OC_Helper::rmdirr(OC_Config::getValue('datadirectory', OC::$SERVERROOT . '/data') . '/' . $uid . '/');
-			
 			return true;
 		} else {
 			return false;
diff --git a/lib/private/user/manager.php b/lib/private/user/manager.php
index 13286bc28a..703c8cd741 100644
--- a/lib/private/user/manager.php
+++ b/lib/private/user/manager.php
@@ -118,6 +118,20 @@ class Manager extends PublicEmitter {
 		return ($user !== null);
 	}
 
+	/**
+	 * remove deleted user from cache
+	 *
+	 * @param string $uid
+	 * @return bool
+	 */
+	public function delete($uid) {
+		if (isset($this->cachedUsers[$uid])) {
+			unset($this->cachedUsers[$uid]);
+			return true;
+		}
+		return false;
+	}
+
 	/**
 	 * Check if the password is valid for the user
 	 *
diff --git a/lib/public/share.php b/lib/public/share.php
index dce3c2211b..c62f964fe1 100644
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -428,33 +428,45 @@ class Share {
 	}
 
 	/**
-	* Share an item with a user, group, or via private link
-	* @param string Item type
-	* @param string Item source
-	* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
-	* @param string User or group the item is being shared with
-	* @param int CRUDS permissions
-	* @return bool|string Returns true on success or false on failure, Returns token on success for links
-	*/
-	public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions) {
+	 * Share an item with a user, group, or via private link
+	 * @param string $itemType
+	 * @param string $itemSource
+	 * @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
+	 * @param string $shareWith User or group the item is being shared with
+	 * @param int $permissions CRUDS
+	 * @param null $itemSourceName
+	 * @throws \Exception
+	 * @internal param \OCP\Item $string type
+	 * @internal param \OCP\Item $string source
+	 * @internal param \OCP\SHARE_TYPE_USER $int , SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
+	 * @internal param \OCP\User $string or group the item is being shared with
+	 * @internal param \OCP\CRUDS $int permissions
+	 * @return bool|string Returns true on success or false on failure, Returns token on success for links
+	 */
+	public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null) {
 		$uidOwner = \OC_User::getUser();
 		$sharingPolicy = \OC_Appconfig::getValue('core', 'shareapi_share_policy', 'global');
+
+		if (is_null($itemSourceName)) {
+			$itemSourceName = $itemSource;
+		}
+
 		// Verify share type and sharing conditions are met
 		if ($shareType === self::SHARE_TYPE_USER) {
 			if ($shareWith == $uidOwner) {
-				$message = 'Sharing '.$itemSource.' failed, because the user '.$shareWith.' is the item owner';
+				$message = 'Sharing '.$itemSourceName.' failed, because the user '.$shareWith.' is the item owner';
 				\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 				throw new \Exception($message);
 			}
 			if (!\OC_User::userExists($shareWith)) {
-				$message = 'Sharing '.$itemSource.' failed, because the user '.$shareWith.' does not exist';
+				$message = 'Sharing '.$itemSourceName.' failed, because the user '.$shareWith.' does not exist';
 				\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 				throw new \Exception($message);
 			}
 			if ($sharingPolicy == 'groups_only') {
 				$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
 				if (empty($inGroup)) {
-					$message = 'Sharing '.$itemSource.' failed, because the user '
+					$message = 'Sharing '.$itemSourceName.' failed, because the user '
 						.$shareWith.' is not a member of any groups that '.$uidOwner.' is a member of';
 					\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 					throw new \Exception($message);
@@ -467,19 +479,19 @@ class Share {
 				// owner and is not a user share, this use case is for increasing
 				// permissions for a specific user
 				if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
-					$message = 'Sharing '.$itemSource.' failed, because this item is already shared with '.$shareWith;
+					$message = 'Sharing '.$itemSourceName.' failed, because this item is already shared with '.$shareWith;
 					\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 					throw new \Exception($message);
 				}
 			}
 		} else if ($shareType === self::SHARE_TYPE_GROUP) {
 			if (!\OC_Group::groupExists($shareWith)) {
-				$message = 'Sharing '.$itemSource.' failed, because the group '.$shareWith.' does not exist';
+				$message = 'Sharing '.$itemSourceName.' failed, because the group '.$shareWith.' does not exist';
 				\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 				throw new \Exception($message);
 			}
 			if ($sharingPolicy == 'groups_only' && !\OC_Group::inGroup($uidOwner, $shareWith)) {
-				$message = 'Sharing '.$itemSource.' failed, because '
+				$message = 'Sharing '.$itemSourceName.' failed, because '
 					.$uidOwner.' is not a member of the group '.$shareWith;
 				\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 				throw new \Exception($message);
@@ -492,7 +504,7 @@ class Share {
 				// owner and is not a group share, this use case is for increasing
 				// permissions for a specific user
 				if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
-					$message = 'Sharing '.$itemSource.' failed, because this item is already shared with '.$shareWith;
+					$message = 'Sharing '.$itemSourceName.' failed, because this item is already shared with '.$shareWith;
 					\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 					throw new \Exception($message);
 				}
@@ -534,14 +546,14 @@ class Share {
 					$token = \OC_Util::generateRandomBytes(self::TOKEN_LENGTH);
 				}
 				$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions,
-					null, $token);
+					null, $token, $itemSourceName);
 				if ($result) {
 					return $token;
 				} else {
 					return false;
 				}
 			}
-			$message = 'Sharing '.$itemSource.' failed, because sharing with links is not allowed';
+			$message = 'Sharing '.$itemSourceName.' failed, because sharing with links is not allowed';
 			\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 			throw new \Exception($message);
 			return false;
@@ -600,7 +612,7 @@ class Share {
 // 			return false;
 // 		} else {
 			// Put the item into the database
-			return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions);
+			return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, null, $itemSourceName);
 // 		}
 	}
 
@@ -1320,20 +1332,22 @@ class Share {
 	* @return bool Returns true on success or false on failure
 	*/
 	private static function put($itemType, $itemSource, $shareType, $shareWith, $uidOwner,
-		$permissions, $parentFolder = null, $token = null) {
+		$permissions, $parentFolder = null, $token = null, $itemSourceName = null) {
 		$backend = self::getBackend($itemType);
+
 		// Check if this is a reshare
 		if ($checkReshare = self::getItemSharedWithBySource($itemType, $itemSource, self::FORMAT_NONE, null, true)) {
+
 			// Check if attempting to share back to owner
 			if ($checkReshare['uid_owner'] == $shareWith && $shareType == self::SHARE_TYPE_USER) {
-				$message = 'Sharing '.$itemSource.' failed, because the user '.$shareWith.' is the original sharer';
+				$message = 'Sharing '.$itemSourceName.' failed, because the user '.$shareWith.' is the original sharer';
 				\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 				throw new \Exception($message);
 			}
 			// Check if share permissions is granted
 			if (self::isResharingAllowed() && (int)$checkReshare['permissions'] & PERMISSION_SHARE) {
 				if (~(int)$checkReshare['permissions'] & $permissions) {
-					$message = 'Sharing '.$itemSource
+					$message = 'Sharing '.$itemSourceName
 						.' failed, because the permissions exceed permissions granted to '.$uidOwner;
 					\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 					throw new \Exception($message);
@@ -1347,7 +1361,7 @@ class Share {
 					$filePath = $checkReshare['file_target'];
 				}
 			} else {
-				$message = 'Sharing '.$itemSource.' failed, because resharing is not allowed';
+				$message = 'Sharing '.$itemSourceName.' failed, because resharing is not allowed';
 				\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
 				throw new \Exception($message);
 			}