476 lines
15 KiB
JavaScript
476 lines
15 KiB
JavaScript
/*
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The MIT License (MIT)
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Copyright (c) 2013 Calvin Montgomery
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var Rank = require("./rank.js");
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var Auth = require("./auth.js");
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var Channel = require("./channel.js").Channel;
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var Server = require("./server.js");
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var Database = require("./database.js");
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var Logger = require("./logger.js");
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var Config = require("./config.js");
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// Represents a client connected via socket.io
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var User = function(socket, ip) {
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this.ip = ip;
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this.socket = socket;
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this.loggedIn = false;
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this.rank = Rank.Guest;
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this.channel = null;
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this.playerReady = false;
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this.name = "";
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this.meta = {
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afk: false
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};
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this.throttle = {};
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this.flooded = {};
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this.initCallbacks();
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if(Server.announcement != null) {
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this.socket.emit("announcement", Server.announcement);
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}
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};
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// Throttling/cooldown
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User.prototype.noflood = function(name, hz) {
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var time = new Date().getTime();
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if(!(name in this.throttle)) {
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this.throttle[name] = [time];
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return false;
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}
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else if(name in this.flooded && time < this.flooded[name]) {
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this.socket.emit("noflood", {
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action: name,
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msg: "You're still on cooldown!"
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});
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return true;
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}
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else {
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this.throttle[name].push(time);
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var diff = (time - this.throttle[name][0]) / 1000.0;
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// Twice might be an accident, more than that is probably spam
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if(this.throttle[name].length > 2) {
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var rate = this.throttle[name].length / diff;
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this.throttle[name] = [time];
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if(rate > hz) {
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this.flooded[name] = time + 5000;
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this.socket.emit("noflood", {
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action: name,
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msg: "Stop doing that so fast! Cooldown: 5s"
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});
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return true;
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}
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return false;
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}
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}
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}
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User.prototype.initCallbacks = function() {
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this.socket.on("disconnect", function() {
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if(this.channel != null)
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this.channel.userLeave(this);
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}.bind(this));
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this.socket.on("joinChannel", function(data) {
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if(data.name == undefined)
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return;
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if(!data.name.match(/^[a-zA-Z0-9]+$/))
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return;
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if(data.name.length > 100)
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return;
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data.name = data.name.toLowerCase();
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// Channel already loaded
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if(data.name in Server.channels) {
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this.channel = Server.channels[data.name];
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this.channel.userJoin(this);
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}
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// Channel not loaded
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else {
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Server.channels[data.name] = new Channel(data.name);
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this.channel = Server.channels[data.name];
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this.channel.userJoin(this);
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}
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}.bind(this));
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this.socket.on("login", function(data) {
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var name = data.name || "";
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var pw = data.pw || "";
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var session = data.session || "";
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if(pw.length > 100)
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pw = pw.substring(0, 100);
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if(this.name == "")
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this.login(name, pw, session);
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}.bind(this));
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this.socket.on("register", function(data) {
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if(data.name == undefined || data.pw == undefined)
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return;
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if(data.pw.length > 100)
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data.pw = data.pw.substring(0, 100);
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this.register(data.name, data.pw);
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}.bind(this));
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this.socket.on("assignLeader", function(data) {
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if(this.channel != null) {
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this.channel.tryChangeLeader(this, data);
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}
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}.bind(this));
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this.socket.on("promote", function(data) {
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if(this.channel != null) {
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this.channel.tryPromoteUser(this, data);
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}
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}.bind(this));
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this.socket.on("demote", function(data) {
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if(this.channel != null) {
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this.channel.tryDemoteUser(this, data);
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}
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}.bind(this));
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this.socket.on("chatMsg", function(data) {
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if(this.channel != null) {
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this.channel.tryChat(this, data);
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}
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}.bind(this));
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this.socket.on("newPoll", function(data) {
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if(this.channel != null) {
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this.channel.tryOpenPoll(this, data);
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}
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}.bind(this));
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this.socket.on("playerReady", function() {
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if(this.channel != null) {
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this.channel.sendMediaUpdate(this);
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}
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this.playerReady = true;
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}.bind(this));
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this.socket.on("requestPlaylist", function() {
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if(this.channel != null) {
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this.channel.sendPlaylist(this);
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}
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}.bind(this));
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this.socket.on("queue", function(data) {
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if(this.channel != null) {
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this.channel.tryQueue(this, data);
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}
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}.bind(this));
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this.socket.on("unqueue", function(data) {
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if(this.channel != null) {
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this.channel.tryDequeue(this, data);
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}
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}.bind(this));
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this.socket.on("uncache", function(data) {
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if(this.channel != null) {
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this.channel.tryUncache(this, data);
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}
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}.bind(this));
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this.socket.on("moveMedia", function(data) {
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if(this.channel != null) {
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this.channel.tryMove(this, data);
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}
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}.bind(this));
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this.socket.on("jumpTo", function(data) {
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if(this.channel != null) {
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this.channel.tryJumpTo(this, data);
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}
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}.bind(this));
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this.socket.on("playNext", function() {
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if(this.channel != null) {
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this.channel.tryPlayNext(this);
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}
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}.bind(this));
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this.socket.on("clearqueue", function() {
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if(this.channel != null) {
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this.channel.tryClearqueue(this);
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}
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}.bind(this));
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this.socket.on("shufflequeue", function() {
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if(this.channel != null) {
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this.channel.tryShufflequeue(this);
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}
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}.bind(this));
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this.socket.on("queueLock", function(data) {
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if(this.channel != null) {
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this.channel.trySetLock(this, data);
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}
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}.bind(this));
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this.socket.on("mediaUpdate", function(data) {
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if(this.channel != null) {
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this.channel.tryUpdate(this, data);
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}
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}.bind(this));
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this.socket.on("searchLibrary", function(data) {
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if(this.channel != null) {
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if(data.yt) {
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var callback = function(vids) {
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this.socket.emit("librarySearchResults", {
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results: vids
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});
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}.bind(this);
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this.channel.search(data.query, callback);
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}
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else {
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this.socket.emit("librarySearchResults", {
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results: this.channel.search(data.query)
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});
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}
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}
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}.bind(this));
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this.socket.on("closePoll", function() {
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if(this.channel != null) {
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this.channel.tryClosePoll(this);
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}
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}.bind(this));
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this.socket.on("vote", function(data) {
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if(this.channel != null) {
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this.channel.tryVote(this, data);
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}
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}.bind(this));
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this.socket.on("registerChannel", function(data) {
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if(this.channel == null) {
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this.socket.emit("channelRegistration", {
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success: false,
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error: "You're not in any channel!"
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});
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}
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else {
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this.channel.tryRegister(this);
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}
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}.bind(this));
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this.socket.on("adm", function(data) {
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if(Rank.hasPermission(this, "acp")) {
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this.handleAdm(data);
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}
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}.bind(this));
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this.socket.on("announce", function(data) {
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if(Rank.hasPermission(this, "announce")) {
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if(data.clear) {
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Server.announcement = null;
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}
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else {
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Server.io.sockets.emit("announcement", data);
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Server.announcement = data;
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}
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}
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}.bind(this));
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this.socket.on("channelOpts", function(data) {
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if(this.channel != null) {
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this.channel.tryUpdateOptions(this, data);
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}
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}.bind(this));
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this.socket.on("chatFilter", function(data) {
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if(this.channel != null) {
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this.channel.tryChangeFilter(this, data);
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}
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}.bind(this));
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this.socket.on("updateMotd", function(data) {
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if(this.channel != null) {
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this.channel.tryUpdateMotd(this, data);
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}
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}.bind(this));
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this.socket.on("requestAcl", function() {
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if(this.channel != null) {
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this.channel.sendACL(this);
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this.noflood("requestAcl", 0.25);
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}
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}.bind(this));
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this.socket.on("requestSeenlogins", function() {
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if(this.channel != null) {
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this.channel.sendRankStuff(this);
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}
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}.bind(this));
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this.socket.on("voteskip", function(data) {
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if(this.channel != null) {
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this.channel.tryVoteskip(this);
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}
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}.bind(this));
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}
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// Handle administration
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User.prototype.handleAdm = function(data) {
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if(data.cmd == "listchannels") {
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var chans = [];
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for(var chan in Server.channels) {
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var nowplaying = "-";
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if(Server.channels[chan].media != null)
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nowplaying = Server.channels[chan].media.title;
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chans.push({
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name: chan,
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usercount: Server.channels[chan].users.length,
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nowplaying: nowplaying
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});
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}
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this.socket.emit("adm", {
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cmd: "listchannels",
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chans: chans
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});
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}
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};
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var lastguestlogin = {};
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// Attempt to login
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User.prototype.login = function(name, pw, session) {
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if(this.channel != null && name != "") {
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for(var i = 0; i < this.channel.users.length; i++) {
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if(this.channel.users[i].name == name) {
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this.socket.emit("login", {
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success: false,
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error: "The username " + name + " is already in use on this channel"
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});
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return false;
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}
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}
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}
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// No password => try guest login
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if(pw == "" && session == "") {
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if(this.ip in lastguestlogin) {
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var diff = (Date.now() - lastguestlogin[this.ip])/1000;
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if(diff < Config.GUEST_LOGIN_DELAY) {
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this.socket.emit("login", {
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success: false,
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error: ["Guest logins are restricted to one per ",
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Config.GUEST_LOGIN_DELAY + " seconds per IP. ",
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"This restriction does not apply to registered users."
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].join("")
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});
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return false;
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}
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}
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// Sorry bud, can't take that name
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if(Auth.isRegistered(name)) {
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this.socket.emit("login", {
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success: false,
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error: "That username is already taken"
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});
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return false;
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}
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// YOUR ARGUMENT IS INVALID
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else if(!Auth.validateName(name)) {
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this.socket.emit("login", {
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success: false,
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error: "Invalid username. Usernames must be 1-20 characters long and consist only of alphanumeric characters and underscores"
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});
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}
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else {
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lastguestlogin[this.ip] = Date.now();
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Logger.syslog.log(this.ip + " signed in as " + name);
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this.name = name;
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this.loggedIn = false;
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this.socket.emit("login", {
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success: true
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});
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this.socket.emit("rank", {
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rank: this.rank
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});
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if(this.channel != null) {
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this.channel.logger.log(this.ip + " signed in as " + name);
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this.channel.broadcastNewUser(this);
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}
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}
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}
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else {
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var row;
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if((row = Auth.login(name, pw, session))) {
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this.loggedIn = true;
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this.socket.emit("login", {
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success: true,
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session: row.session_hash
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});
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Logger.syslog.log(this.ip + " logged in as " + name);
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var chanrank = (this.channel != null) ? this.channel.getRank(name)
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: Rank.Guest;
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var rank = (chanrank > row.global_rank) ? chanrank
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: row.global_rank;
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this.rank = (this.rank > rank) ? this.rank : rank;
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this.socket.emit("rank", {
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rank: this.rank
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});
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this.name = name;
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if(this.channel != null) {
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this.channel.logger.log(this.ip + " logged in as " + name);
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this.channel.broadcastNewUser(this);
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}
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}
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// Wrong password
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else {
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this.socket.emit("login", {
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success: false,
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error: "Invalid session"
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});
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return false;
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}
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}
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}
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// Attempt to register a user account
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User.prototype.register = function(name, pw) {
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if(pw == "") {
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// Sorry bud, password required
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this.socket.emit("register", {
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success: false,
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error: "You must provide a password"
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});
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return false;
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}
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else if(Auth.isRegistered(name)) {
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this.socket.emit("register", {
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success: false,
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error: "That username is already taken"
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});
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return false;
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}
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else if(!Auth.validateName(name)) {
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this.socket.emit("register", {
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success: false,
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error: "Invalid username. Usernames must be 1-20 characters long and consist only of alphanumeric characters and underscores"
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});
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}
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else if(Auth.register(name, pw)) {
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console.log(this.ip + " registered " + name);
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this.socket.emit("register", {
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success: true
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});
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this.login(name, pw);
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}
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else {
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this.socket.emit("register", {
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success: false,
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error: "[](/ppshrug) Registration Failed."
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});
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}
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}
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exports.User = User;
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