closes #5078

public/src/client/chats.js

@@ -101,7 +101,9 @@ define('forum/chats', [
 				if (err) {
 					return app.alertError(err.message);
 				}
-
+				if (!data) {
+					return;
+				}
 				messages.parseMessage(data, function(html) {
 					var currentScrollTop = el.scrollTop();
 					var previousHeight = el[0].scrollHeight;
@@ -309,7 +311,9 @@ define('forum/chats', [
 			if (err) {
 				return app.alertError(err.message);
 			}
-
+			if (!messageData) {
+				return;
+			}
 			chatContentEl.find('[component="chat/message"]').remove();
 
 			messages.appendChatMessage(chatContentEl, messageData);

src/controllers/accounts/chats.js

@@ -30,10 +30,13 @@ chatsController.get = function(req, res, callback) {
 			if (!uid) {
 				return callback();
 			}
-			messaging.getRecentChats(uid, 0, 19, next);
+			messaging.getRecentChats(req.uid, uid, 0, 19, next);
 		},
 		function(_recentChats, next) {
 			recentChats = _recentChats;
+			if (!recentChats) {
+				return callback();
+			}
 			if (!req.params.roomid) {
 				return res.render('chats', {
 					rooms: recentChats.rooms,
@@ -48,12 +51,13 @@ chatsController.get = function(req, res, callback) {
 			messaging.isUserInRoom(req.uid, req.params.roomid, next);
 		},
 		function(inRoom, next) {
-			if (!inRoom && parseInt(req.uid, 10) === parseInt(uid, 10)) {
+			if (!inRoom) {
 				return callback();
 			}
 			async.parallel({
 				users: async.apply(messaging.getUsersInRoom, req.params.roomid, 0, -1),
 				messages: async.apply(messaging.getMessages, {
+					callerUid: req.uid,
 					uid: uid,
 					roomId: req.params.roomid,
 					since: 'recent',

src/messaging.js

@@ -1,18 +1,17 @@
 'use strict';
 
 
-var async = require('async'),
+var async = require('async');
-	winston = require('winston'),
+var winston = require('winston');
-	S = require('string'),
+var S = require('string');
 
-
+var db = require('./database');
-	db = require('./database'),
+var user = require('./user');
-	user = require('./user'),
+var plugins = require('./plugins');
-	plugins = require('./plugins'),
+var meta = require('./meta');
-	meta = require('./meta'),
+var utils = require('../public/src/utils');
-	utils = require('../public/src/utils'),
+var notifications = require('./notifications');
-	notifications = require('./notifications'),
+var userNotifications = require('./user/notifications');
-	userNotifications = require('./user/notifications');
 
 (function(Messaging) {
 
@@ -63,34 +62,37 @@ var async = require('async'),
 			count = 50;
 			min = 0;
 		}
-
+		var indices = {};
-		db.getSortedSetRevRangeByScore('uid:' + uid + ':chat:room:' + roomId + ':mids', start, count, '+inf', min, function(err, mids) {
+		async.waterfall([
-			if (err) {
+			function(next) {
-				return callback(err);
+				canGetMessages(params.callerUid, params.uid, next);
+			},
+			function(canGet, next) {
+				if (!canGet) {
+					return callback(null, null);
 				}
-
+				db.getSortedSetRevRangeByScore('uid:' + uid + ':chat:room:' + roomId + ':mids', start, count, '+inf', min, next);
+			},
+			function(mids, next) {
 				if (!Array.isArray(mids) || !mids.length) {
 					return callback(null, []);
 				}
-			var indices = {};
+
 				mids.forEach(function(mid, index) {
 					indices[mid] = start + index;
 				});
 
 				mids.reverse();
 
-			Messaging.getMessagesData(mids, uid, roomId, isNew, function(err, messageData) {
+				Messaging.getMessagesData(mids, uid, roomId, isNew, next);
-				if (err) {
+			},
-					return callback(err);
+			function(messageData, next) {
-				}
+				messageData.forEach(function(messageData) {
-
+					messageData.index = indices[messageData.messageId.toString()];
-				for(var i=0; i<messageData.length; i++) {
-				 	messageData[i].index = indices[messageData[i].messageId.toString()];
-				}
-
-				callback(null, messageData);
-			});
 				});
+				next(null, messageData);
+			}
+		], callback);
 
 		if (markRead) {
 			notifications.markRead('chat_' + roomId + '_' + uid, uid, function(err) {
@@ -103,6 +105,16 @@ var async = require('async'),
 		}
 	};
 
+	function canGetMessages(callerUid, uid, callback) {
+		plugins.fireHook('filter:messaging.canGetMessages', {
+			callerUid: callerUid,
+			uid: uid,
+			canGet: parseInt(callerUid, 10) === parseInt(uid, 10)
+		}, function(err, data) {
+			callback(err, data ? data.canGet : false);
+		});
+	}
+
 	Messaging.getMessagesData = function(mids, uid, roomId, isNew, callback) {
 
 		var keys = mids.map(function(mid) {
@@ -250,12 +262,18 @@ var async = require('async'),
 	};
 
 
-	Messaging.getRecentChats = function(uid, start, stop, callback) {
+	Messaging.getRecentChats = function(callerUid, uid, start, stop, callback) {
-		db.getSortedSetRevRange('uid:' + uid + ':chat:rooms', start, stop, function(err, roomIds) {
+		async.waterfall([
-			if (err) {
+			function(next) {
-				return callback(err);
+				canGetRecentChats(callerUid, uid, next);
+			},
+			function(canGet, next) {
+				if (!canGet) {
+					return callback(null, null);
 				}
-
+				db.getSortedSetRevRange('uid:' + uid + ':chat:rooms', start, stop, next);
+			},
+			function(roomIds, next) {
 				async.parallel({
 					roomData: function(next) {
 						Messaging.getRoomsData(roomIds, next);
@@ -281,11 +299,9 @@ var async = require('async'),
 							Messaging.getTeaser(uid, roomId, next);
 						}, next);
 					}
-			}, function(err, results) {
+				}, next);
-				if (err) {
+			},
-					return callback(err);
+			function(results, next) {
-				}
-
 				results.roomData.forEach(function(room, index) {
 					room.users = results.users[index];
 					room.groupChat = room.hasOwnProperty('groupChat') ? room.groupChat : room.users.length > 2;
@@ -307,11 +323,21 @@ var async = require('async'),
 					}).join(', ');
 				});
 
-				callback(null, {rooms: results.roomData, nextStart: stop + 1});
+				next(null, {rooms: results.roomData, nextStart: stop + 1});
-			});
+			}
-		});
+		], callback);
 	};
 
+	function canGetRecentChats(callerUid, uid, callback) {
+		plugins.fireHook('filter:messaging.canGetRecentChats', {
+			callerUid: callerUid,
+			uid: uid,
+			canGet: parseInt(callerUid, 10) === parseInt(uid, 10)
+		}, function(err, data) {
+			callback(err, data ? data.canGet : false);
+		});
+	}
+
 	Messaging.getTeaser = function (uid, roomId, callback) {
 		var teaser;
 		async.waterfall([

src/messaging/rooms.js

@@ -5,6 +5,7 @@ var validator = require('validator');
 
 var db = require('../database');
 var user = require('../user');
+var plugins = require('../plugins');
 
 module.exports = function(Messaging) {
 
@@ -74,7 +75,17 @@ module.exports = function(Messaging) {
 	};
 
 	Messaging.isUserInRoom = function(uid, roomId, callback) {
-		db.isSortedSetMember('chat:room:' + roomId + ':uids', uid, callback);
+		async.waterfall([
+			function(next) {
+				db.isSortedSetMember('chat:room:' + roomId + ':uids', uid, next);
+			},
+			function(inRoom, next) {
+				plugins.fireHook('filter:messaging.isUserInRoom', {uid: uid, roomId: roomId, inRoom: inRoom}, next);
+			},
+			function(data, next) {
+				next(null, data.inRoom);
+			}
+		], callback);
 	};
 
 	Messaging.roomExists = function(roomId, callback) {

src/routes/accounts.js

@@ -31,6 +31,6 @@ module.exports = function (app, middleware, controllers) {
 	app.delete('/api/user/:userslug/session/:uuid', [middleware.requireUser], controllers.accounts.session.revoke);
 
 	setupPageRoute(app, '/notifications', middleware, [middleware.authenticate], controllers.accounts.notifications.get);
-	setupPageRoute(app, '/user/:userslug/chats/:roomid?', middleware, accountMiddlewares, controllers.accounts.chats.get);
+	setupPageRoute(app, '/user/:userslug/chats/:roomid?', middleware, middlewares, controllers.accounts.chats.get);
 	setupPageRoute(app, '/chats/:roomid?', middleware, [], controllers.accounts.chats.redirectToChat);
 };

src/socket.io/modules.js

@@ -55,7 +55,7 @@ SocketModules.chats.newRoom = function(socket, data, callback) {
 };
 
 SocketModules.chats.send = function(socket, data, callback) {
-	if (!data || !data.roomId) {
+	if (!data || !data.roomId || !socket.uid) {
 		return callback(new Error('[[error:invalid-data]]'));
 	}
 
@@ -106,13 +106,10 @@ SocketModules.chats.loadRoom = function(socket, data, callback) {
 
 	async.waterfall([
 		function (next) {
-			async.parallel({
+			Messaging.isUserInRoom(socket.uid, data.roomId, next);
-				inRoom: async.apply(Messaging.isUserInRoom, socket.uid, data.roomId),
-				isAdminOrGlobalMod: async.apply(user.isAdminOrGlobalMod, socket.uid)
-			}, next);
 		},
-		function (results, next) {
+		function (inRoom, next) {
-			if (!results.isAdminOrGlobalMod && !results.inRoom) {
+			if (!inRoom) {
 				return next(new Error('[[error:not-allowed]]'));
 			}
 
@@ -222,6 +219,9 @@ SocketModules.chats.canMessage = function(socket, roomId, callback) {
 };
 
 SocketModules.chats.markRead = function(socket, roomId, callback) {
+	if (!socket.uid) {
+		return callback(new Error('[[error:invalid-data]]'));
+	}
 	async.parallel({
 		usersInRoom: async.apply(Messaging.getUidsInRoom, roomId, 0, -1),
 		markRead: async.apply(Messaging.markRead, socket.uid, roomId)
@@ -283,21 +283,12 @@ SocketModules.chats.renameRoom = function(socket, data, callback) {
 };
 
 SocketModules.chats.getRecentChats = function(socket, data, callback) {
-	if (!data || !utils.isNumber(data.after)) {
+	if (!data || !utils.isNumber(data.after) || !utils.isNumber(data.uid)) {
 		return callback(new Error('[[error:invalid-data]]'));
 	}
 	var start = parseInt(data.after, 10);
 	var stop = start + 9;
-	if (socket.uid === parseInt(data.uid, 10)) {
+	Messaging.getRecentChats(socket.uid, data.uid, start, stop, callback);
-		return Messaging.getRecentChats(socket.uid, start, stop, callback);
-	}
-
-	user.isAdminOrGlobalMod(socket.uid, function(err, isAdminOrGlobalMod) {
-		if (err || !isAdminOrGlobalMod) {
-			return callback(err || new Error('[[error:no-privileges]]'));
-		}
-		Messaging.getRecentChats(data.uid, start, stop, callback);
-	});
 };
 
 SocketModules.chats.hasPrivateChat = function(socket, uid, callback) {
@@ -313,6 +304,7 @@ SocketModules.chats.getMessages = function(socket, data, callback) {
 	}
 
 	var params = {
+		callerUid: socket.uid,
 		uid: data.uid,
 		roomId: data.roomId,
 		start: parseInt(data.start, 10) || 0,
@@ -328,15 +320,7 @@ SocketModules.chats.getMessages = function(socket, data, callback) {
 		params.markRead = data.markRead;
 	}
 
-	if (socket.uid === parseInt(data.uid, 10)) {
-		return Messaging.getMessages(params, callback);
-	}
-	user.isAdminOrGlobalMod(socket.uid, function(err, isAdminOrGlobalMod) {
-		if (err || !isAdminOrGlobalMod) {
-			return callback(err || new Error('[[error:no-privileges]]'));
-		}
 	Messaging.getMessages(params, callback);
-	});
 };
 
 /* Sounds */