From 68922365d52e09bf5a1d4cef1c238665d33570da Mon Sep 17 00:00:00 2001
From: Mattias Erming <mattias@mattiaserming.com>
Date: Sat, 16 Aug 2014 09:15:17 -0700
Subject: [PATCH] Check permissions for cli commands

---
 client/js/chat.js | 1020 ++++++++++++++++++++++-----------------------
 index.js          |   37 +-
 package.json      |    2 +-
 3 files changed, 544 insertions(+), 515 deletions(-)

diff --git a/client/js/chat.js b/client/js/chat.js
index 098f3e0..58556a1 100644
--- a/client/js/chat.js
+++ b/client/js/chat.js
@@ -1,510 +1,510 @@
-$(function() {
-	var socket = io();
-	var commands = [
-		"/close",
-		"/connect",
-		"/deop",
-		"/devoice",
-		"/disconnect",
-		"/invite",
-		"/join",
-		"/kick",
-		"/leave",
-		"/mode",
-		"/msg",
-		"/nick",
-		"/notice",
-		"/op",
-		"/part",
-		"/query",
-		"/quit",
-		"/raw",
-		"/say",
-		"/send",
-		"/server",
-		"/slap",
-		"/topic",
-		"/voice",
-		"/whois"
-	];
-
-	var sidebar = $("#sidebar");
-	var chat = $("#chat");
-
-	var pop = new Audio();
-	pop.src = "/audio/pop.ogg";
-
-	$("#play").on("click", function() { pop.play(); });
-	$("#footer .icon").tooltip();
-
-	var favico = new Favico({
-		animation: "none"
-	});
-
-	var tpl = [];
-	function render(name, data) {
-		tpl[name] = tpl[name] || Handlebars.compile($("#templates ." + name).html());
-		return tpl[name](data);
-	}
-
-	Handlebars.registerHelper(
-		"partial", function(id) {
-			return new Handlebars.SafeString(render(id, this));
-		}
-	);
-
-	socket.on("error", function(e) {
-		console.log(e);
-	});
-
-	socket.on("auth", function(data) {
-		var body = $("body");
-		var login = $("#sign-in");
-		if (body.hasClass("signed-out")) {
-			var error = login.find(".error");
-			error.show().closest("form").one("submit", function() {
-				error.hide();
-			});
-		}
-		body.addClass("signed-out");
-		login.find("input[name='user']").val($.cookie("user") || "");
-		sidebar.find(".sign-in")
-			.click()
-			.end()
-			.find(".networks")
-			.html("")
-			.next()
-			.show();
-	});
-
-	socket.on("init", function(data) {
-		if (data.networks.length === 0) {
-			$("#footer").find(".connect").trigger("click");
-			return;
-		}
-
-		sidebar.find(".networks").html(
-			render("networks", {
-				networks: data.networks
-			})
-		);
-
-		var channels = $.map(data.networks, function(n) {
-			return n.channels;
-		});
-		chat.html(
-			render("chat", {
-				channels: channels
-			})
-		);
-
-		sidebar.find(".empty").hide();
-		$("body").removeClass("signed-out");
-
-		var id = $.cookie("target");
-		var target = sidebar.find("[data-target='" + id + "']").trigger("click");
-		if (target.length === 0) {
-			var first = sidebar.find(".chan")
-				.eq(0)
-				.trigger("click");
-			if (first.length === 0) {
-				$("#footer").find(".connect").trigger("click");
-			}
-		}
-	});
-
-	socket.on("join", function(data) {
-		var id = data.network;
-		var network = sidebar.find("#network-" + id);
-		network.append(
-			render("channels", {
-				channels: [data.chan]
-			})
-		);
-		chat.append(
-			render("chat", {
-				channels: [data.chan]
-			})
-		);
-		sidebar.find(".chan")
-			.last()
-			.trigger("click");
-	});
-
-	socket.on("msg", function(data) {
-		var target = data.chan;
-		if (data.msg.type == "error") {
-			target = chat.find(".active").data("id");
-		}
-		target = "#chan-" + target;
-		chat.find(target)
-			.find(".messages")
-			.append(render("messages", {messages: [data.msg]}))
-			.trigger("msg", [
-				target,
-				data.msg
-			]);
-	});
-
-	socket.on("showMore", function(data) {
-		var target = data.chan;
-		chat.find("#chan-" + target)
-			.find(".show-more")
-			.remove()
-			.end()
-			.find(".messages")
-			.prepend(render("messages", {messages: data.messages}))
-			.end();
-	});
-
-	socket.on("network", function(data) {
-		sidebar.find(".empty").hide();
-		sidebar.find(".networks").append(
-			render("networks", {
-				networks: [data.network]
-			})
-		);
-		chat.append(
-			render("chat", {
-				channels: data.network.channels
-			})
-		);
-		sidebar.find(".chan")
-			.last()
-			.trigger("click");
-		$("#connect")
-			.find(".btn")
-			.prop("disabled", false)
-			.end()
-			.find("input")
-			.each(function() {
-				var self = $(this);
-				self.val(self.data("default"));
-			});
-	});
-
-	socket.on("nick", function(data) {
-		console.log(data);
-	});
-
-	socket.on("part", function(data) {
-		var id = data.chan;
-		sidebar.find("[data-target=#chan-" + id + "]")
-			.remove()
-			.end()
-			.find(".chan")
-			.eq(0)
-			.trigger("click");
-	});
-
-	socket.on("quit", function(data) {
-		var id = data.network;
-		sidebar.find("#network-" + id)
-			.remove()
-			.end();
-		var chan = sidebar.find(".chan")
-			.eq(0)
-			.trigger("click");
-		if (chan.length === 0) {
-			sidebar.find(".empty").show();
-		}
-	});
-
-	socket.on("users", function(data) {
-		chat.find("#chan-" + data.chan)
-			.find(".users")
-			.html(render("users", data));
-	});
-
-	$("#connect")
-		.find("input")
-		.each(function() {
-			var self = $(this);
-			self.data("default", self.val());
-		});
-
-	$.cookie.json = true;
-
-	var settings = $("#settings");
-	var options = $.extend({notification: true}, $.cookie("settings"));
-
-	for (var i in options) {
-		if (options[i]) {
-			settings.find("input[name=" + i + "]").prop("checked", true);
-		}
-	}
-
-	settings.on("change", "input", function() {
-		var self = $(this);
-		options[self.attr("name")] = self.prop("checked");
-		$.cookie("settings", options);
-	}).find("input")
-		.eq(0)
-		.trigger("change");
-
-	var viewport = $("#viewport");
-
-	viewport.on("click", ".lt, .rt", function(e) {
-		var self = $(this);
-		viewport.toggleClass(self.attr("class"));
-		if (viewport.is(".lt, .rt")) {
-			e.stopPropagation();
-			chat.find(".chat").one("click", function() {
-				viewport.removeClass("lt rt");
-			});
-		}
-	});
-
-	var input = $("#input")
-		.history()
-		.tab(complete, {hint: false});
-	
-	var form = $("#form").on("submit", function(e) {
-		e.preventDefault();
-		var text = input.val();
-		input.val("");
-		socket.emit("input", {
-			target: chat.data("id"),
-			text: text
-		});
-	});
-
-	var top = 1;
-	sidebar.on("click", "button", function() {
-		var self = $(this);
-		var target = self.data("target");
-		if (!target) {
-			return;
-		}
-
-		if (self.hasClass("chan")) {
-			$.cookie("target", target);
-		}
-		chat.data(
-			"id",
-			self.data("id")
-		);
-
-		sidebar.find(".active").removeClass("active");
-		self.addClass("active")
-			.find(".badge")
-			.removeClass("highlight")
-			.empty();
-
-		if (sidebar.find(".highlight").length == 0) {
-			favico.badge("");
-		}
-
-		viewport.removeClass();
-
-		$("#windows .active").removeClass("active");
-		var chan = $(target)
-			.addClass("active")
-			.trigger("show")
-			.css("z-index", top++)
-			.find(".chat")
-			.sticky()
-			.end();
-		
-		if (chan.hasClass("chan")) {
-			input.focus();
-		}
-	});
-
-	sidebar.on("click", "#sign-out", function() {
-		location.reload();
-	});
-
-	sidebar.on("click", ".close", function() {
-		var cmd = "/close";
-		var chan = $(this).closest(".chan");
-		if (chan.hasClass("lobby")) {
-			cmd = "/quit";
-			var server = chan
-				.clone()
-				.remove("span")
-				.text()
-				.trim();
-			if (!confirm("Disconnect from " + server + "?")) {
-				return false;
-			}
-		}
-		socket.emit("input", {
-			target: chan.data("id"),
-			text: cmd
-		});
-		chan.css({
-			transition: "none",
-			opacity: .4
-		});
-		return false;
-	});
-
-	chat.on("input", ".search", function() {
-		var value = $(this).val();
-		var names = $(this).closest(".users").find(".names");
-		names.find("button").each(function() {
-			var btn = $(this);
-			var name = btn.text().toLowerCase().replace(/[+%@~]/, "");
-			if (name.indexOf(value) === 0) {
-				btn.show();
-			} else {
-				btn.hide();
-			}
-		});
-	});
-
-	chat.on("click", ".user", function() {
-		var user = $(this).html().trim().replace(/[+%@~]/, "");
-		if (user.indexOf("#") !== -1) {
-			return;
-		}
-		var text = "/whois " + user;
-		socket.emit("input", {
-			target: chat.data("id"),
-			text: text
-		});
-	});
-
-	chat.on("msg", ".messages", function(e, target, msg) {
-		var btn = sidebar.find(".chan[data-target=" + target + "]:not(.active)");
-		var query = btn.hasClass("query");
-		var type = msg.type;
-		var highlight = type.contains("highlight");
-		if (highlight || query) {
-			pop.play();
-			if (document.hidden || !$(target).hasClass("active")) {
-				favico.badge("!");
-			}
-		}
-
-		if (btn.length === 0) {
-			return;
-		}
-		
-		var ignore = [
-			"join",
-			"part",
-			"quit",
-			"nick"
-		];
-		if ($.inArray(type, ignore) !== -1){
-			return;
-		}
-
-		var badge = btn.find(".badge");
-		if (badge.length !== 0) {
-			var i = (parseInt(badge.html()) || 0) + 1;
-			badge.html(i);
-			if (highlight || query) {
-				badge.addClass("highlight");
-			}
-		}
-	});
-
-	chat.on("click", ".show-more", function() {
-		var self = $(this);
-		var id = self.data("id");
-		var count = self.next(".messages").children().length;
-		socket.emit("showMore", {
-			target: id,
-			count: count
-		});
-	});
-
-	var windows = $("#windows");
-	var forms = $("#sign-in, #connect");
-
-	windows.on("show", "#sign-in", function() {
-		var self = $(this);
-		var inputs = self.find("input");
-		inputs.each(function() {
-			var self = $(this);
-			if (self.val() === "") {
-				self.focus();
-				return false;
-			}
-		})
-	});
-
-	windows.on("click", ".input", function() {
-		$(this).select();
-	});
-
-	forms.on("submit", "form", function(e) {
-		e.preventDefault()
-		var event = "auth";
-		var form = $(this);
-		if (form.closest(".window").attr("id") == "connect") {
-			event = "conn";
-			form.find(".btn")
-				.attr("disabled", true)
-				.end();
-		}
-		var values = {};
-		$.each(form.serializeArray(), function(i, obj) {
-			if (obj.value !== "") {
-				values[obj.name] = obj.value;
-			}
-		});
-		if (values.user) {
-			$.cookie("user", values.user);
-		}
-		socket.emit(
-			event, values
-		);
-	});
-
-	Mousetrap.bind([
-		"command+up",
-		"command+down",
-		"ctrl+up",
-		"ctrl+down"
-	], function(e, keys) {
-		var channels = sidebar.find(".chan");
-		var index = channels.index(channels.filter(".active"));
-
-		var direction = keys.split("+").pop();
-		switch (direction) {
-		case "up":
-			var i = Math.max(0, index - 1);
-			channels.eq(i).click();
-			break;
-		
-		case "down":
-			var i = Math.min(channels.length, index + 1);
-			channels.eq(i).click();
-			break;
-		}
-	});
-
-	function complete(word) {
-		var words = commands.slice();
-		var users = chat.find(".active")
-			.find(".names")
-			.children()
-			.each(function() {
-				words.push($(this).text().replace(/[+%@~]/, ""));
-			});
-		var channels = sidebar.find(".channel")
-			.each(function() {
-				var chan = $(this).clone().remove("span").text().trim();
-				words.push(chan);
-			});
-		return $.grep(
-			words,
-			function(w) {
-				return !w.toLowerCase().indexOf(word.toLowerCase());
-			}
-		);
-	}
-
-	document.addEventListener(
-		"visibilitychange",
-		function() {
-			if (sidebar.find(".highlight").length == 0) {
-				favico.badge("");
-			}
-		}
-	);
-});
+$(function() {
+	var socket = io();
+	var commands = [
+		"/close",
+		"/connect",
+		"/deop",
+		"/devoice",
+		"/disconnect",
+		"/invite",
+		"/join",
+		"/kick",
+		"/leave",
+		"/mode",
+		"/msg",
+		"/nick",
+		"/notice",
+		"/op",
+		"/part",
+		"/query",
+		"/quit",
+		"/raw",
+		"/say",
+		"/send",
+		"/server",
+		"/slap",
+		"/topic",
+		"/voice",
+		"/whois"
+	];
+
+	var sidebar = $("#sidebar");
+	var chat = $("#chat");
+	
+	var pop = new Audio();
+	pop.src = "/audio/pop.ogg";
+
+	$("#play").on("click", function() { pop.play(); });
+	$("#footer .icon").tooltip();
+
+	var favico = new Favico({
+		animation: "none"
+	});
+
+	var tpl = [];
+	function render(name, data) {
+		tpl[name] = tpl[name] || Handlebars.compile($("#templates ." + name).html());
+		return tpl[name](data);
+	}
+
+	Handlebars.registerHelper(
+		"partial", function(id) {
+			return new Handlebars.SafeString(render(id, this));
+		}
+	);
+
+	socket.on("error", function(e) {
+		console.log(e);
+	});
+
+	socket.on("auth", function(data) {
+		var body = $("body");
+		var login = $("#sign-in");
+		if (body.hasClass("signed-out")) {
+			var error = login.find(".error");
+			error.show().closest("form").one("submit", function() {
+				error.hide();
+			});
+		}
+		body.addClass("signed-out");
+		login.find("input[name='user']").val($.cookie("user") || "");
+		sidebar.find(".sign-in")
+			.click()
+			.end()
+			.find(".networks")
+			.html("")
+			.next()
+			.show();
+	});
+
+	socket.on("init", function(data) {
+		if (data.networks.length === 0) {
+			$("#footer").find(".connect").trigger("click");
+			return;
+		}
+
+		sidebar.find(".networks").html(
+			render("networks", {
+				networks: data.networks
+			})
+		);
+
+		var channels = $.map(data.networks, function(n) {
+			return n.channels;
+		});
+		chat.html(
+			render("chat", {
+				channels: channels
+			})
+		);
+
+		sidebar.find(".empty").hide();
+		$("body").removeClass("signed-out");
+
+		var id = $.cookie("target");
+		var target = sidebar.find("[data-target='" + id + "']").trigger("click");
+		if (target.length === 0) {
+			var first = sidebar.find(".chan")
+				.eq(0)
+				.trigger("click");
+			if (first.length === 0) {
+				$("#footer").find(".connect").trigger("click");
+			}
+		}
+	});
+
+	socket.on("join", function(data) {
+		var id = data.network;
+		var network = sidebar.find("#network-" + id);
+		network.append(
+			render("channels", {
+				channels: [data.chan]
+			})
+		);
+		chat.append(
+			render("chat", {
+				channels: [data.chan]
+			})
+		);
+		sidebar.find(".chan")
+			.last()
+			.trigger("click");
+	});
+
+	socket.on("msg", function(data) {
+		var target = data.chan;
+		if (data.msg.type == "error") {
+			target = chat.find(".active").data("id");
+		}
+		target = "#chan-" + target;
+		chat.find(target)
+			.find(".messages")
+			.append(render("messages", {messages: [data.msg]}))
+			.trigger("msg", [
+				target,
+				data.msg
+			]);
+	});
+
+	socket.on("showMore", function(data) {
+		var target = data.chan;
+		chat.find("#chan-" + target)
+			.find(".show-more")
+			.remove()
+			.end()
+			.find(".messages")
+			.prepend(render("messages", {messages: data.messages}))
+			.end();
+	});
+
+	socket.on("network", function(data) {
+		sidebar.find(".empty").hide();
+		sidebar.find(".networks").append(
+			render("networks", {
+				networks: [data.network]
+			})
+		);
+		chat.append(
+			render("chat", {
+				channels: data.network.channels
+			})
+		);
+		sidebar.find(".chan")
+			.last()
+			.trigger("click");
+		$("#connect")
+			.find(".btn")
+			.prop("disabled", false)
+			.end()
+			.find("input")
+			.each(function() {
+				var self = $(this);
+				self.val(self.data("default"));
+			});
+	});
+
+	socket.on("nick", function(data) {
+		console.log(data);
+	});
+
+	socket.on("part", function(data) {
+		var id = data.chan;
+		sidebar.find("[data-target=#chan-" + id + "]")
+			.remove()
+			.end()
+			.find(".chan")
+			.eq(0)
+			.trigger("click");
+	});
+
+	socket.on("quit", function(data) {
+		var id = data.network;
+		sidebar.find("#network-" + id)
+			.remove()
+			.end();
+		var chan = sidebar.find(".chan")
+			.eq(0)
+			.trigger("click");
+		if (chan.length === 0) {
+			sidebar.find(".empty").show();
+		}
+	});
+
+	socket.on("users", function(data) {
+		chat.find("#chan-" + data.chan)
+			.find(".users")
+			.html(render("users", data));
+	});
+
+	$("#connect")
+		.find("input")
+		.each(function() {
+			var self = $(this);
+			self.data("default", self.val());
+		});
+
+	$.cookie.json = true;
+
+	var settings = $("#settings");
+	var options = $.extend({notification: true}, $.cookie("settings"));
+
+	for (var i in options) {
+		if (options[i]) {
+			settings.find("input[name=" + i + "]").prop("checked", true);
+		}
+	}
+
+	settings.on("change", "input", function() {
+		var self = $(this);
+		options[self.attr("name")] = self.prop("checked");
+		$.cookie("settings", options);
+	}).find("input")
+		.eq(0)
+		.trigger("change");
+
+	var viewport = $("#viewport");
+
+	viewport.on("click", ".lt, .rt", function(e) {
+		var self = $(this);
+		viewport.toggleClass(self.attr("class"));
+		if (viewport.is(".lt, .rt")) {
+			e.stopPropagation();
+			chat.find(".chat").one("click", function() {
+				viewport.removeClass("lt rt");
+			});
+		}
+	});
+
+	var input = $("#input")
+		.history()
+		.tab(complete, {hint: false});
+	
+	var form = $("#form").on("submit", function(e) {
+		e.preventDefault();
+		var text = input.val();
+		input.val("");
+		socket.emit("input", {
+			target: chat.data("id"),
+			text: text
+		});
+	});
+
+	var top = 1;
+	sidebar.on("click", "button", function() {
+		var self = $(this);
+		var target = self.data("target");
+		if (!target) {
+			return;
+		}
+
+		if (self.hasClass("chan")) {
+			$.cookie("target", target);
+		}
+		chat.data(
+			"id",
+			self.data("id")
+		);
+
+		sidebar.find(".active").removeClass("active");
+		self.addClass("active")
+			.find(".badge")
+			.removeClass("highlight")
+			.empty();
+
+		if (sidebar.find(".highlight").length == 0) {
+			favico.badge("");
+		}
+
+		viewport.removeClass();
+
+		$("#windows .active").removeClass("active");
+		var chan = $(target)
+			.addClass("active")
+			.trigger("show")
+			.css("z-index", top++)
+			.find(".chat")
+			.sticky()
+			.end();
+		
+		if (screen.width > 768 && chan.hasClass("chan")) {
+			input.focus();
+		}
+	});
+
+	sidebar.on("click", "#sign-out", function() {
+		location.reload();
+	});
+
+	sidebar.on("click", ".close", function() {
+		var cmd = "/close";
+		var chan = $(this).closest(".chan");
+		if (chan.hasClass("lobby")) {
+			cmd = "/quit";
+			var server = chan
+				.clone()
+				.remove("span")
+				.text()
+				.trim();
+			if (!confirm("Disconnect from " + server + "?")) {
+				return false;
+			}
+		}
+		socket.emit("input", {
+			target: chan.data("id"),
+			text: cmd
+		});
+		chan.css({
+			transition: "none",
+			opacity: .4
+		});
+		return false;
+	});
+
+	chat.on("input", ".search", function() {
+		var value = $(this).val();
+		var names = $(this).closest(".users").find(".names");
+		names.find("button").each(function() {
+			var btn = $(this);
+			var name = btn.text().toLowerCase().replace(/[+%@~]/, "");
+			if (name.indexOf(value) === 0) {
+				btn.show();
+			} else {
+				btn.hide();
+			}
+		});
+	});
+
+	chat.on("click", ".user", function() {
+		var user = $(this).html().trim().replace(/[+%@~]/, "");
+		if (user.indexOf("#") !== -1) {
+			return;
+		}
+		var text = "/whois " + user;
+		socket.emit("input", {
+			target: chat.data("id"),
+			text: text
+		});
+	});
+
+	chat.on("msg", ".messages", function(e, target, msg) {
+		var btn = sidebar.find(".chan[data-target=" + target + "]:not(.active)");
+		var query = btn.hasClass("query");
+		var type = msg.type;
+		var highlight = type.contains("highlight");
+		if (highlight || query) {
+			pop.play();
+			if (document.hidden || !$(target).hasClass("active")) {
+				favico.badge("!");
+			}
+		}
+
+		if (btn.length === 0) {
+			return;
+		}
+		
+		var ignore = [
+			"join",
+			"part",
+			"quit",
+			"nick"
+		];
+		if ($.inArray(type, ignore) !== -1){
+			return;
+		}
+
+		var badge = btn.find(".badge");
+		if (badge.length !== 0) {
+			var i = (parseInt(badge.html()) || 0) + 1;
+			badge.html(i);
+			if (highlight || query) {
+				badge.addClass("highlight");
+			}
+		}
+	});
+
+	chat.on("click", ".show-more", function() {
+		var self = $(this);
+		var id = self.data("id");
+		var count = self.next(".messages").children().length;
+		socket.emit("showMore", {
+			target: id,
+			count: count
+		});
+	});
+
+	var windows = $("#windows");
+	var forms = $("#sign-in, #connect");
+
+	windows.on("show", "#sign-in", function() {
+		var self = $(this);
+		var inputs = self.find("input");
+		inputs.each(function() {
+			var self = $(this);
+			if (self.val() === "") {
+				self.focus();
+				return false;
+			}
+		})
+	});
+
+	windows.on("click", ".input", function() {
+		$(this).select();
+	});
+
+	forms.on("submit", "form", function(e) {
+		e.preventDefault()
+		var event = "auth";
+		var form = $(this);
+		if (form.closest(".window").attr("id") == "connect") {
+			event = "conn";
+			form.find(".btn")
+				.attr("disabled", true)
+				.end();
+		}
+		var values = {};
+		$.each(form.serializeArray(), function(i, obj) {
+			if (obj.value !== "") {
+				values[obj.name] = obj.value;
+			}
+		});
+		if (values.user) {
+			$.cookie("user", values.user);
+		}
+		socket.emit(
+			event, values
+		);
+	});
+
+	Mousetrap.bind([
+		"command+up",
+		"command+down",
+		"ctrl+up",
+		"ctrl+down"
+	], function(e, keys) {
+		var channels = sidebar.find(".chan");
+		var index = channels.index(channels.filter(".active"));
+
+		var direction = keys.split("+").pop();
+		switch (direction) {
+		case "up":
+			var i = Math.max(0, index - 1);
+			channels.eq(i).click();
+			break;
+		
+		case "down":
+			var i = Math.min(channels.length, index + 1);
+			channels.eq(i).click();
+			break;
+		}
+	});
+
+	function complete(word) {
+		var words = commands.slice();
+		var users = chat.find(".active")
+			.find(".names")
+			.children()
+			.each(function() {
+				words.push($(this).text().replace(/[+%@~]/, ""));
+			});
+		var channels = sidebar.find(".channel")
+			.each(function() {
+				var chan = $(this).clone().remove("span").text().trim();
+				words.push(chan);
+			});
+		return $.grep(
+			words,
+			function(w) {
+				return !w.toLowerCase().indexOf(word.toLowerCase());
+			}
+		);
+	}
+
+	document.addEventListener(
+		"visibilitychange",
+		function() {
+			if (sidebar.find(".highlight").length == 0) {
+				favico.badge("");
+			}
+		}
+	);
+});
diff --git a/index.js b/index.js
index 978b093..f681cca 100755
--- a/index.js
+++ b/index.js
@@ -6,6 +6,7 @@ var config = require("./config.json");
 var ClientManager= new require("./src/clientManager");
 var program = require("commander");
 var shout = require("./src/server.js");
+var fs = require("fs");
 
 program
 	.option("-p, --port <port>")
@@ -31,22 +32,36 @@ program
 	.description("List all existing users")
 	.action(function() {
 		var users = new ClientManager().getUsers();
-		console.log("");
 		if (!users.length) {
+			console.log("");
 			console.log("No users found!");
+			console.log("");
 		} else {
+			console.log("");
 			console.log("Users:");
 			for (var i = 0; i < users.length; i++) {
 				console.log((i + 1) + ": " + users[i]);
 			}
+			console.log("");
 		}
-		console.log("");
 	});
 
 program
 	.command("add-user <name>")
 	.description("Add a new user")
 	.action(function(name) {
+		try {
+			var path = __dirname + "/users";
+			var test = path + "/.test";
+			fs.mkdirSync(test);
+			fs.rmdirSync(test);
+		} catch (e) {
+			console.log("");
+			console.log("You have no permissions to write to " + path);
+			console.log("Try running the command as sudo.");
+			console.log("");
+			return;
+		}
 		var manager = new ClientManager();
 		var users = manager.getUsers();
 		if (users.indexOf(name) !== -1) {
@@ -75,15 +90,29 @@ program
 	.command("remove-user <name>")
 	.description("Remove an existing user")
 	.action(function(name) {
+		try {
+			var path = __dirname + "/users";
+			var test = path + "/.test";
+			fs.mkdirSync(test);
+			fs.rmdirSync(test);
+		} catch (e) {
+			console.log("");
+			console.log("You have no permissions to delete from " + path);
+			console.log("Try running the command as sudo.");
+			console.log("");
+			return;
+		}
 		var manager = new ClientManager();
 		var success = manager.removeUser(name);
-		console.log("");
 		if (success) {
+			console.log("");
 			console.log("Removed '" + name + "'.");
+			console.log("");
 		} else {
+			console.log("");
 			console.log("User '" + name + "' doesn't exist.");
+			console.log("");
 		}
-		console.log("");
 	});
 
 program.parse(process.argv)
diff --git a/package.json b/package.json
index 58b5e91..efeda45 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "shout",
   "description": "A web IRC client",
-  "version": "0.9.9",
+  "version": "0.9.10",
   "author": "Mattias Erming",
   "preferGlobal": true,
   "bin": {