Correctly remove closed sockets from oident file, remove unused functions

.eslintrc.yml

@@ -3,13 +3,11 @@
 root: true
 
 env:
+  es6: true
   browser: true
   mocha: true
   node: true
 
-parserOptions:
-  ecmaVersion: 6
-
 rules:
   block-scoped-var: 2
   block-spacing: [2, always]

src/oidentd.js

@@ -1,68 +1,42 @@
 "use strict";
 
-var fs = require("fs");
-var Helper = require("./helper");
+const fs = require("fs");
+const Helper = require("./helper");
 
 function OidentdFile(file) {
 	this.file = Helper.expandHome(file);
 	this.connectionId = 0;
-	this.connections = {};
+	this.connections = new Map();
 
 	this.refresh();
 }
 
 OidentdFile.prototype = {
-	hookSocket: function(socket, user) {
-		var that = this;
-		var id = null;
-
-		socket.on("connect", function() {
-			id = that.addSocket(socket, user);
-			that.refresh();
-		});
-		socket.on("close", function() {
-			that.removeConnection(id);
-			that.refresh();
-		});
-	},
-
 	addSocket: function(socket, user) {
-		var id = this.connectionId++;
-		this.connections[id] = {socket: socket, user: user};
+		const id = this.connectionId++;
+
+		this.connections.set(id, {socket: socket, user: user});
+		this.refresh();
+
 		return id;
 	},
 
-	removeSocket: function(socket) {
-		for (var id in this.connections) {
-			if (this.connections[id] === socket) {
-				delete this.connections[id];
-				break;
-			}
-		}
-	},
+	removeSocket: function(id) {
+		this.connections.delete(id);
 
-	removeConnection: function(id) {
-		delete this.connections[id];
-	},
-
-	getSockets: function() {
-		return this.connections;
+		this.refresh();
 	},
 
 	refresh: function() {
-		var file = "# Warning: file generated by The Lounge: changes will be overwritten!\n";
+		let file = "# Warning: file generated by The Lounge: changes will be overwritten!\n";
 
-		function makeRule(connection) {
-			return "to " + connection.socket.remoteAddress
+		this.connections.forEach((connection) => {
+			file += "to " + connection.socket.remoteAddress
 				+ " lport " + connection.socket.localPort
 				+ " from " + connection.socket.localAddress
 				+ " fport " + connection.socket.remotePort
 				+ " { reply \"" + connection.user + "\" }\n";
-		}
-
-		for (var id in this.connections) {
-			file += makeRule(this.connections[id]);
-		}
+		});
 
 		fs.writeFile(this.file, file, {flag: "w+"}, function(err) {
 			if (err) {

src/plugins/irc-events/connection.js

@@ -70,14 +70,14 @@ module.exports = function(irc, network) {
 	}
 
 	if (identHandler) {
+		let identSocketId;
+
 		irc.on("socket connected", function() {
-			identHandler.addSocket(irc.connection.socket, client.name || network.username);
-			identHandler.refresh();
+			identSocketId = identHandler.addSocket(irc.connection.socket, client.name || network.username);
 		});
 
 		irc.on("socket close", function() {
-			identHandler.removeSocket(irc.connection.socket);
-			identHandler.refresh();
+			identHandler.removeSocket(identSocketId);
 		});
 	}