var Logger = require("./logger"); var Server = require("./server"); var util = require("./utilities"); var MakeEmitter = require("./emitter"); var db = require("./database"); var InfoGetter = require("./get-info"); var Config = require("./config"); var ACP = require("./acp"); function User(socket) { var self = this; MakeEmitter(self); self.socket = socket; self.ip = socket._ip; self.loggedIn = false; self.loggingIn = false; self.rank = -1; self.global_rank = -1; self.channel = null; self.name = ""; self.canonicalName = ""; self.profile = { image: "", text: "" }; self.meta = { afk: false, muted: false, smuted: false, aliases: [] }; self.queueLimiter = util.newRateLimiter(); self.chatLimiter = util.newRateLimiter(); self.awaytimer = false; self.socket.once("initChannelCallbacks", function () { self.initChannelCallbacks(); }); self.socket.once("initUserPLCallbacks", function () { self.initUserPLCallbacks(); }); self.socket.once("initACP", function () { self.whenLoggedIn(function () { if (self.global_rank >= 255) { ACP.init(self); } else { self.kick("Attempted initACP from non privileged user. This incident " + "will be reported."); Logger.eventlog.log("[acp] Attempted initACP from socket client " + self.name + "@" + self.ip); } }); }); self.socket.on("login", function (data) { data = (typeof data === "object") ? data : {}; var name = data.name; if (typeof name !== "string") { return; } var pw = data.pw || ""; if (typeof pw !== "string") { pw = ""; } if (!pw) { self.guestLogin(name); } }); var announcement = Server.getServer().announcement; if (announcement != null) { self.socket.emit("announcement", announcement); } self.on("login", function () { db.recordVisit(self.ip, self.name); db.users.getProfile(self.name, function (err, profile) { if (!err) { self.profile = profile; if (self.inChannel()) { self.channel.sendUserProfile(self.channel.users, self); } } }); if (self.global_rank >= 255) { self.initAdminCallbacks(); } }); } /** * Checks whether the user is in a valid channel */ User.prototype.inChannel = function () { return this.channel != null && !this.channel.dead; }; /** * Changes a user's AFK status, updating the channel voteskip if necessary */ User.prototype.setAFK = function (afk) { if (!this.inChannel()) { return; } if (this.meta.afk === afk) { return; } this.meta.afk = afk; var chan = this.channel; if (afk) { if (chan.voteskip) { chan.voteskip.unvote(this.ip); } } else { this.autoAFK(); } chan.checkVoteskipPass(); chan.sendAll("setAFK", { name: this.name, afk: afk }); }; /** * Sets a timer to automatically mark the user as AFK after * a period of inactivity */ User.prototype.autoAFK = function () { var self = this; if (self.awaytimer) { clearTimeout(self.awaytimer); } if (!self.inChannel()) { return; } var timeout = parseFloat(self.channel.opts.afk_timeout); if (isNaN(timeout) || timeout <= 0) { return; } self.awaytimer = setTimeout(function () { self.setAFK(true); }, timeout * 1000); }; /** * Sends a kick message and disconnects the user */ User.prototype.kick = function (reason) { this.socket.emit("kick", { reason: reason }); this.socket.disconnect(true); }; /** * Initializes socket message callbacks for a channel user */ User.prototype.initChannelCallbacks = function () { var self = this; // Verifies datatype before calling a function // Passes a default value if the typecheck fails var typecheck = function (type, def, fn) { return function (data) { if (typeof data !== type) { fn(def); } else { fn(data); } }; }; // Verify that the user is in a channel, and that the passed data is an Object var wrapTypecheck = function (msg, fn) { self.socket.on(msg, typecheck("object", {}, function (data) { if (self.inChannel()) { fn(data); } })); }; // Verify that the user is in a channel, but don't typecheck the data var wrap = function (msg, fn) { self.socket.on(msg, function (data) { if (self.inChannel()) { fn(data); } }); }; self.socket.on("disconnect", function () { if (self.awaytimer) { clearTimeout(self.awaytimer); } if (self.inChannel()) { self.channel.part(self); } }); self.socket.once("joinChannel", typecheck("object", {}, function (data) { if (self.inChannel()) { return; } if (typeof data.name !== "string") { return; } if (!util.isValidChannelName(data.name)) { self.socket.emit("errorMsg", { msg: "Invalid channel name. Channel names may consist of 1-30 " + "characters in the set a-z, A-Z, 0-9, -, and _" }); self.kick("Invalid channel name"); return; } data.name = data.name.toLowerCase(); var chan = Server.getServer().getChannel(data.name); chan.preJoin(self, data.pw); })); wrapTypecheck("assignLeader", function (data) { self.channel.handleChangeLeader(self, data); }); wrapTypecheck("setChannelRank", function (data) { self.channel.handleSetRank(self, data); }); wrapTypecheck("unban", function (data) { self.channel.handleUnban(self, data); }); wrapTypecheck("chatMsg", function (data) { if (typeof data.msg !== "string") { return; } if (data.msg.indexOf("/afk") !== 0) { self.setAFK(false); self.autoAFK(); } self.channel.handleChat(self, data); }); wrapTypecheck("pm", function (data) { if (typeof data.msg !== "string" || typeof data.to !== "string") { return; } self.channel.handlePm(self, data); }); wrapTypecheck("newPoll", function (data) { self.channel.handleOpenPoll(self, data); }); wrapTypecheck("vote", function (data) { self.channel.handlePollVote(self, data); }); wrap("closePoll", function () { self.channel.handleClosePoll(self); }); wrap("playerReady", function () { self.channel.sendMediaUpdate([self]); }); wrap("requestPlaylist", function () { self.channel.sendPlaylist([self]); }); wrapTypecheck("queue", function (data) { self.channel.handleQueue(self, data); }); wrapTypecheck("queuePlaylist", function (data) { self.channel.handleQueuePlaylist(self, data); }); wrapTypecheck("setTemp", function (data) { self.channel.handleSetTemp(self, data); }); wrapTypecheck("moveMedia", function (data) { self.channel.handleMove(self, data); }); wrap("delete", function (data) { self.channel.handleDelete(self, data); }); wrapTypecheck("uncache", function (data) { self.channel.handleUncache(self, data); }); wrap("jumpTo", function (data) { self.channel.handleJumpTo(self, data); }); wrap("playNext", function () { self.channel.handlePlayNext(self); }); wrap("clearPlaylist", function () { self.channel.handleClear(self); }); wrap("shufflePlaylist", function () { self.channel.handleShuffle(self); }); wrap("togglePlaylistLock", function () { self.channel.handleToggleLock(self); }); wrapTypecheck("mediaUpdate", function (data) { self.channel.handleUpdate(self, data); }); wrapTypecheck("searchMedia", function (data) { if (typeof data.query !== "string") { return; } data.query = data.query.substring(0, 255); var searchYT = function () { InfoGetter.Getters.ytSearch(data.query.split(" "), function (e, vids) { if (!e) { self.socket.emit("searchResults", { source: "yt", results: vids }); } }); }; if (data.source === "yt") { searchYT(); } else { self.channel.search(data.query, function (vids) { if (vids.length === 0) { searchYT(); } else { self.socket.emit("searchResults", { source: "library", results: vids }); } }); } }); wrapTypecheck("setOptions", function (data) { self.channel.handleUpdateOptions(self, data); }); wrapTypecheck("setPermissions", function (data) { self.channel.handleSetPermissions(self, data); }); wrapTypecheck("setChannelCSS", function (data) { self.channel.handleSetCSS(self, data); }); wrapTypecheck("setChannelJS", function (data) { self.channel.handleSetJS(self, data); }); wrapTypecheck("setMotd", function (data) { self.channel.handleSetMotd(self, data); }); wrapTypecheck("updateFilter", function (data) { self.channel.handleUpdateFilter(self, data); }); wrap("importFilters", function (data) { self.channel.handleImportFilters(self, data); }); // REMOVE FILTER // https://www.youtube.com/watch?v=SxUU3zncVmI wrapTypecheck("removeFilter", function (data) { self.channel.handleRemoveFilter(self, data); }); wrapTypecheck("moveFilter", function (data) { self.channel.handleMoveFilter(self, data); }); wrapTypecheck("updateEmote", function (data) { self.channel.handleUpdateEmote(self, data); }); wrap("importEmotes", function (data) { self.channel.handleImportEmotes(self, data); }); wrapTypecheck("removeEmote", function (data) { self.channel.handleRemoveEmote(self, data); }); wrap("requestBanlist", function () { self.channel.sendBanlist([self]); }); wrap("requestChannelRanks", function () { self.channel.sendChannelRanks([self]); }); wrap("requestChatFilters", function () { self.channel.sendChatFilters([self]); }); wrap("voteskip", function () { self.channel.handleVoteskip(self); }); wrap("readChanLog", function () { self.channel.handleReadLog(self); }); }; User.prototype.initAdminCallbacks = function () { var self = this; self.socket.on("borrow-rank", function (rank) { if (self.inChannel()) { if (typeof rank !== "number") { return; } if (rank > self.global_rank) { return; } if (rank === 255 && self.global_rank > 255) { rank = self.global_rank; } self.rank = rank; self.socket.emit("rank", rank); self.channel.sendAll("setUserRank", { name: self.name, rank: rank }); } }); }; User.prototype.whenLoggedIn = function (fn) { if (this.loggedIn) { fn(); } else { this.once("login", fn); } }; var lastguestlogin = {}; User.prototype.guestLogin = function (name) { var self = this; if (self.ip in lastguestlogin) { var diff = (Date.now() - lastguestlogin[self.ip]) / 1000; if (diff < Config.get("guest-login-delay")) { self.socket.emit("login", { success: false, error: "Guest logins are restricted to one per IP address per " + Config.get("guest-login-delay") + " seconds." }); return; } } if (!util.isValidUserName(name)) { self.socket.emit("login", { success: false, error: "Invalid username. Usernames must be 1-20 characters long and " + "consist only of characters a-z, A-Z, 0-9, -, _, and accented " + "letters." }); return; } // Prevent duplicate logins self.loggingIn = true; db.users.isUsernameTaken(name, function (err, taken) { self.loggingIn = false; if (err) { self.socket.emit("login", { success: false, error: err }); return; } if (taken) { self.socket.emit("login", { success: false, error: "That username is registered." }); return; } if (self.inChannel()) { var nameLower = name.toLowerCase(); for (var i = 0; i < self.channel.users.length; i++) { if (self.channel.users[i].name.toLowerCase() === nameLower) { self.socket.emit("login", { success: false, error: "That name is already in use on this channel." }); return; } } } // Login succeeded lastguestlogin[self.ip] = Date.now(); self.rank = 0; self.global_rank = 0; self.socket.emit("rank", 0); self.name = name; self.loggedIn = true; self.socket.emit("login", { success: true, name: name, guest: true }); // TODO you shouldn't be able to guest login without being in a channel if (self.inChannel()) { self.channel.logger.log(self.ip + " signed in as " + name); } self.emit("login"); }); }; User.prototype.initUserPLCallbacks = function () { require("./userplaylists").init(this); }; module.exports = User;