closes #4006

src/controllers/groups.js

@@ -134,7 +134,7 @@ groupsController.members = function(req, res, next) {
 groupsController.uploadCover = function(req, res, next) {
 	var params = JSON.parse(req.body.params);
 
-	groups.updateCover({
+	groups.updateCover(req.uid, {
 		file: req.files.files[0].path,
 		groupName: params.groupName
 	}, function(err, image) {

src/controllers/uploads.js

@@ -91,8 +91,16 @@ uploadsController.uploadThumb = function(req, res, next) {
 	}, next);
 };
 
-uploadsController.uploadGroupCover = function(data, next) {
-	uploadImage(0, data, next);
+uploadsController.uploadGroupCover = function(uid, uploadedFile, callback) {
+	if (plugins.hasListeners('filter:uploadImage')) {
+		return plugins.fireHook('filter:uploadImage', {image: uploadedFile, uid: uid}, callback);
+	}
+
+	if (plugins.hasListeners('filter:uploadFile')) {
+		return plugins.fireHook('filter:uploadFile', {file: uploadedFile, uid: uid}, callback);
+	}
+
+	saveFileToLocal(uploadedFile, callback);
 };
 
 function uploadImage(uid, image, callback) {
@@ -132,6 +140,10 @@ function uploadFile(uid, uploadedFile, callback) {
 		}
 	}
 
+	saveFileToLocal(uploadedFile, callback);
+}
+
+function saveFileToLocal(uploadedFile, callback) {
 	var filename = uploadedFile.name || 'upload';
 
 	filename = Date.now() + '-' + validator.escape(filename).substr(0, 255);

src/groups/update.js

@@ -118,7 +118,7 @@ module.exports = function(Groups) {
 		Groups.setGroupField(groupName, 'cover:position', position, callback);
 	};
 
-	Groups.updateCover = function(data, callback) {
+	Groups.updateCover = function(uid, data, callback) {
 		var tempPath, md5sum, url;
 
 		// Position only? That's fine
@@ -153,7 +153,7 @@ module.exports = function(Groups) {
 				}, next);
 			},
 			function(next) {
-				uploadsController.uploadGroupCover({
+				uploadsController.uploadGroupCover(uid, {
 					name: 'groupCover',
 					path: data.file ? data.file : tempPath
 				}, function(err, uploadData) {

src/socket.io/groups.js

@@ -245,11 +245,11 @@ SocketGroups.cover.update = function(socket, data, callback) {
 	}
 
 	groups.ownership.isOwner(socket.uid, data.groupName, function(err, isOwner) {
-		if (!isOwner) {
-			return callback(new Error('[[error:no-privileges]]'));
+		if (err || !isOwner) {
+			return callback(err || new Error('[[error:no-privileges]]'));
 		}
 
-		groups.updateCover(data, callback);
+		groups.updateCover(socket.uid, data, callback);
 	});
 };
 
@@ -259,8 +259,8 @@ SocketGroups.cover.remove = function(socket, data, callback) {
 	}
 
 	groups.ownership.isOwner(socket.uid, data.groupName, function(err, isOwner) {
-		if (!isOwner) {
-			return callback(new Error('[[error:no-privileges]]'));
+		if (err || !isOwner) {
+			return callback(err || new Error('[[error:no-privileges]]'));
 		}
 
 		groups.removeCover(data, callback);