[NEW] Option to trace Methods and Subscription calls

packages/rocketchat-i18n/i18n/en.i18n.json

@@ -1570,11 +1570,17 @@
   "Loading_more_from_history": "Loading more from history",
   "Loading_suggestion": "Loading suggestions",
   "Localization": "Localization",
-  "Log_Exceptions_to_Channel": "Log Exceptions to Channel",
   "Log_Exceptions_to_Channel_Description": "A channel that will receive all captured exceptions. Leave empty to ignore exceptions.",
+  "Log_Exceptions_to_Channel": "Log Exceptions to Channel",
   "Log_File": "Show File and Line",
   "Log_Level": "Log Level",
   "Log_Package": "Show Package",
+  "Log_Trace_Methods_Filter": "Trace method filter",
+  "Log_Trace_Methods_Filter_Description": "The text here will be evaluated as RegExp (`new RegExp('text')`). Keep it empty to show trace of every call.",
+  "Log_Trace_Methods": "Trace method calls",
+  "Log_Trace_Subscriptions_Filter": "Trace subscription filter",
+  "Log_Trace_Subscriptions_Filter_Description": "The text here will be evaluated as RegExp (`new RegExp('text')`). Keep it empty to show trace of every call.",
+  "Log_Trace_Subscriptions": "Trace subscription calls",
   "Log_View_Limit": "Log View Limit",
   "Logged_out_of_other_clients_successfully": "Logged out of other clients successfully",
   "Login": "Login",

packages/rocketchat-lib/package.js

@@ -37,6 +37,8 @@ Package.onUse(function(api) {
 
 	api.addFiles('lib/core.js');
 
+	api.addFiles('lib/settings.js');
+
 	// DEBUGGER
 	api.addFiles('server/lib/debug.js', 'server');
 
@@ -54,7 +56,6 @@ Package.onUse(function(api) {
 
 	// COMMON LIB
 	api.addFiles('lib/getURL.js');
-	api.addFiles('lib/settings.js');
 	api.addFiles('lib/callbacks.js');
 	api.addFiles('lib/fileUploadRestrictions.js');
 	api.addFiles('lib/getAvatarColor.js');

packages/rocketchat-lib/server/lib/debug.js

@@ -12,8 +12,40 @@ const logger = new Logger('Meteor', {
 	}
 });
 
+let Log_Trace_Methods;
+let Log_Trace_Subscriptions;
+RocketChat.settings.get('Log_Trace_Methods', (key, value) => Log_Trace_Methods = value);
+RocketChat.settings.get('Log_Trace_Subscriptions', (key, value) => Log_Trace_Subscriptions = value);
+
+let Log_Trace_Methods_Filter;
+let Log_Trace_Subscriptions_Filter;
+RocketChat.settings.get('Log_Trace_Methods_Filter', (key, value) => Log_Trace_Methods_Filter = value ? new RegExp(value) : undefined);
+RocketChat.settings.get('Log_Trace_Subscriptions_Filter', (key, value) => Log_Trace_Subscriptions_Filter = value ? new RegExp(value) : undefined);
+
+const traceConnection = (enable, filter, prefix, name, connection, userId) => {
+	if (!enable) {
+		return;
+	}
+
+	if (filter && !filter.test(name)) {
+		return;
+	}
+
+	if (connection) {
+		console.log(name, {
+			id: connection.id,
+			clientAddress: connection.clientAddress,
+			httpHeaders: connection.httpHeaders,
+			userId
+		});
+	} else {
+		console.log(name, 'no-connection');
+	}
+};
+
 const wrapMethods = function(name, originalHandler, methodsMap) {
 	methodsMap[name] = function() {
+		traceConnection(Log_Trace_Methods, Log_Trace_Methods_Filter, 'method', name, this.connection, this.userId);
 		const end = RocketChat.metrics.meteorMethods.startTimer({method: name});
 		const args = name === 'ufsWrite' ? Array.prototype.slice.call(arguments, 1) : arguments;
 		logger.method(name, '-> userId:', Meteor.userId(), ', arguments: ', args);
@@ -37,6 +69,7 @@ const originalMeteorPublish = Meteor.publish;
 
 Meteor.publish = function(name, func) {
 	return originalMeteorPublish(name, function() {
+		traceConnection(Log_Trace_Subscriptions, Log_Trace_Subscriptions_Filter, 'subscription', name, this.connection, this.userId);
 		logger.publish(name, '-> userId:', this.userId, ', arguments: ', arguments);
 		const end = RocketChat.metrics.meteorSubscriptions.startTimer({subscription: name});
 

packages/rocketchat-lib/server/startup/settings.js

@@ -1681,6 +1681,30 @@ RocketChat.settings.addGroup('Logs', function() {
 		type: 'int'
 	});
 
+	this.add('Log_Trace_Methods', false, {
+		type: 'boolean'
+	});
+
+	this.add('Log_Trace_Methods_Filter', '', {
+		type: 'string',
+		enableQuery: {
+			_id: 'Log_Trace_Methods',
+			value: true
+		}
+	});
+
+	this.add('Log_Trace_Subscriptions', false, {
+		type: 'boolean'
+	});
+
+	this.add('Log_Trace_Subscriptions_Filter', '', {
+		type: 'string',
+		enableQuery: {
+			_id: 'Log_Trace_Subscriptions',
+			value: true
+		}
+	});
+
 	this.section('Prometheus', function() {
 		this.add('Prometheus_Enabled', false, {
 			type: 'boolean',