0ee7f05213
Instead of emitting frames to each individual socket, group them into socket.io rooms of people who can see hidden poll results and people who can't, then just do 2 broadcasts.
441 lines
12 KiB
JavaScript
441 lines
12 KiB
JavaScript
var Logger = require("./logger");
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var Server = require("./server");
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var util = require("./utilities");
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var db = require("./database");
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var InfoGetter = require("./get-info");
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var Config = require("./config");
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var ACP = require("./acp");
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var Account = require("./account");
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var Flags = require("./flags");
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import { EventEmitter } from 'events';
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function User(socket) {
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var self = this;
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self.flags = 0;
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self.socket = socket;
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self.realip = socket._realip;
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self.displayip = socket._displayip;
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self.hostmask = socket._hostmask;
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self.account = Account.default(self.realip);
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self.channel = null;
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self.queueLimiter = util.newRateLimiter();
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self.chatLimiter = util.newRateLimiter();
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self.reqPlaylistLimiter = util.newRateLimiter();
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self.awaytimer = false;
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var announcement = Server.getServer().announcement;
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if (announcement != null) {
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self.socket.emit("announcement", announcement);
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}
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self.socket.once("joinChannel", function (data) {
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if (typeof data !== "object" || typeof data.name !== "string") {
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return;
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}
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if (self.inChannel()) {
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return;
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}
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if (!util.isValidChannelName(data.name)) {
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self.socket.emit("errorMsg", {
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msg: "Invalid channel name. Channel names may consist of 1-30 " +
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"characters in the set a-z, A-Z, 0-9, -, and _"
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});
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self.kick("Invalid channel name");
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return;
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}
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data.name = data.name.toLowerCase();
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if (data.name in Config.get("channel-blacklist")) {
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self.kick("This channel is blacklisted.");
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return;
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}
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self.waitFlag(Flags.U_READY, function () {
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var chan = Server.getServer().getChannel(data.name);
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chan.joinUser(self, data);
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});
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});
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self.socket.once("initACP", function () {
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self.waitFlag(Flags.U_LOGGED_IN, function () {
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if (self.account.globalRank >= 255) {
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ACP.init(self);
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} else {
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self.kick("Attempted initACP from non privileged user. This incident " +
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"will be reported.");
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Logger.eventlog.log("[acp] Attempted initACP from socket client " +
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self.getName() + "@" + self.realip);
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}
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});
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});
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self.socket.on("login", function (data) {
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data = (typeof data === "object") ? data : {};
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var name = data.name;
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if (typeof name !== "string") {
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return;
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}
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var pw = data.pw || "";
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if (typeof pw !== "string") {
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pw = "";
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}
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if (self.is(Flags.U_LOGGING_IN) || self.is(Flags.U_LOGGED_IN)) {
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return;
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}
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if (!pw) {
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self.guestLogin(name);
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} else {
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self.login(name, pw);
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}
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});
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self.on("login", function (account) {
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if (account.globalRank >= 255) {
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self.initAdminCallbacks();
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}
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});
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}
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User.prototype = Object.create(EventEmitter.prototype);
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User.prototype.die = function () {
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for (var key in this.socket._events) {
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delete this.socket._events[key];
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}
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delete this.socket.typecheckedOn;
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delete this.socket.typecheckedOnce;
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for (var key in this.__evHandlers) {
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delete this.__evHandlers[key];
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}
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if (this.awaytimer) {
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clearTimeout(this.awaytimer);
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}
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this.dead = true;
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};
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User.prototype.is = function (flag) {
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return Boolean(this.flags & flag);
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};
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User.prototype.setFlag = function (flag) {
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this.flags |= flag;
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this.emit("setFlag", flag);
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};
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User.prototype.clearFlag = function (flag) {
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this.flags &= ~flag;
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this.emit("clearFlag", flag);
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};
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User.prototype.waitFlag = function (flag, cb) {
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var self = this;
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if (self.is(flag)) {
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cb();
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} else {
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var wait = function (f) {
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if (f === flag) {
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self.removeListener("setFlag", wait);
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cb();
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}
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};
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self.on("setFlag", wait);
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}
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};
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User.prototype.getName = function () {
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return this.account.name;
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};
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User.prototype.getLowerName = function () {
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return this.account.lowername;
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};
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User.prototype.inChannel = function () {
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return this.channel != null && !this.channel.dead;
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};
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/* Called when a user's AFK status changes */
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User.prototype.setAFK = function (afk) {
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if (!this.inChannel()) {
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return;
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}
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/* No change in AFK status, don't need to change anything */
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if (this.is(Flags.U_AFK) === afk) {
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this.autoAFK();
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return;
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}
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if (afk) {
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this.setFlag(Flags.U_AFK);
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if (this.channel.modules.voteskip) {
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this.channel.modules.voteskip.unvote(this.realip);
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}
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} else {
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this.clearFlag(Flags.U_AFK);
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this.autoAFK();
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}
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/* Number of AFK users changed, voteskip state changes */
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if (this.channel.modules.voteskip) {
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this.channel.modules.voteskip.update();
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}
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this.channel.broadcastAll("setAFK", {
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name: this.getName(),
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afk: afk
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});
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};
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/* Automatically tag a user as AFK after a period of inactivity */
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User.prototype.autoAFK = function () {
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var self = this;
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if (self.awaytimer) {
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clearTimeout(self.awaytimer);
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}
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if (!self.inChannel() || !self.channel.modules.options) {
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return;
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}
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/* Don't set a timer if the duration is invalid */
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var timeout = parseFloat(self.channel.modules.options.get("afk_timeout"));
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if (isNaN(timeout) || timeout <= 0) {
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return;
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}
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self.awaytimer = setTimeout(function () {
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self.setAFK(true);
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}, timeout * 1000);
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};
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User.prototype.kick = function (reason) {
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this.socket.emit("kick", { reason: reason });
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this.socket.disconnect();
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};
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User.prototype.initAdminCallbacks = function () {
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var self = this;
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self.socket.on("borrow-rank", function (rank) {
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if (self.inChannel()) {
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if (typeof rank !== "number") {
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return;
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}
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if (rank > self.account.globalRank) {
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return;
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}
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if (rank === 255 && self.account.globalRank > 255) {
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rank = self.account.globalRank;
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}
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self.account.channelRank = rank;
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self.account.effectiveRank = rank;
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self.socket.emit("rank", rank);
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self.channel.broadcastAll("setUserRank", {
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name: self.getName(),
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rank: rank
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});
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}
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});
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};
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User.prototype.login = function (name, pw) {
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var self = this;
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self.setFlag(Flags.U_LOGGING_IN);
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db.users.verifyLogin(name, pw, function (err, user) {
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if (err) {
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if (err === "Invalid username/password combination") {
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Logger.eventlog.log("[loginfail] Login failed (bad password): " + name
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+ "@" + self.realip);
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}
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self.socket.emit("login", {
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success: false,
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error: err
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});
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self.clearFlag(Flags.U_LOGGING_IN);
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return;
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}
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var opts = { name: user.name };
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if (self.inChannel()) {
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opts.channel = self.channel.name;
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}
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self.setFlag(Flags.U_REGISTERED);
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self.refreshAccount(opts, function (err, account) {
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if (err) {
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Logger.errlog.log("[SEVERE] getAccount failed for user " + user.name);
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Logger.errlog.log(err);
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self.clearFlag(Flags.U_REGISTERED);
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self.clearFlag(Flags.U_LOGGING_IN);
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return;
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}
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self.socket.emit("login", {
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success: true,
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name: user.name
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});
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db.recordVisit(self.realip, self.getName());
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self.socket.emit("rank", self.account.effectiveRank);
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Logger.syslog.log(self.realip + " logged in as " + user.name);
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self.setFlag(Flags.U_LOGGED_IN);
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self.clearFlag(Flags.U_LOGGING_IN);
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self.emit("login", self.account);
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});
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});
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};
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var lastguestlogin = {};
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User.prototype.guestLogin = function (name) {
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var self = this;
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if (self.realip in lastguestlogin) {
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var diff = (Date.now() - lastguestlogin[self.realip]) / 1000;
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if (diff < Config.get("guest-login-delay")) {
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self.socket.emit("login", {
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success: false,
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error: "Guest logins are restricted to one per IP address per " +
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Config.get("guest-login-delay") + " seconds."
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});
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return;
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}
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}
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if (!util.isValidUserName(name)) {
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self.socket.emit("login", {
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success: false,
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error: "Invalid username. Usernames must be 1-20 characters long and " +
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"consist only of characters a-z, A-Z, 0-9, -, or _."
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});
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return;
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}
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// Prevent duplicate logins
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self.setFlag(Flags.U_LOGGING_IN);
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db.users.isUsernameTaken(name, function (err, taken) {
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self.clearFlag(Flags.U_LOGGING_IN);
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if (err) {
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self.socket.emit("login", {
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success: false,
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error: err
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});
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return;
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}
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if (taken) {
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self.socket.emit("login", {
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success: false,
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error: "That username is registered."
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});
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return;
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}
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if (self.inChannel()) {
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var nameLower = name.toLowerCase();
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for (var i = 0; i < self.channel.users.length; i++) {
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if (self.channel.users[i].getLowerName() === nameLower) {
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self.socket.emit("login", {
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success: false,
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error: "That name is already in use on this channel."
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});
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return;
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}
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}
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}
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// Login succeeded
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lastguestlogin[self.realip] = Date.now();
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var opts = { name: name };
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if (self.inChannel()) {
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opts.channel = self.channel.name;
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}
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self.refreshAccount(opts, function (err, account) {
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if (err) {
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Logger.errlog.log("[SEVERE] getAccount failed for guest login " + name);
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Logger.errlog.log(err);
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return;
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}
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self.socket.emit("login", {
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success: true,
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name: name,
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guest: true
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});
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db.recordVisit(self.realip, self.getName());
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self.socket.emit("rank", 0);
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Logger.syslog.log(self.realip + " signed in as " + name);
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self.setFlag(Flags.U_LOGGED_IN);
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self.emit("login", self.account);
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});
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});
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};
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/* Clean out old login throttlers to save memory */
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setInterval(function () {
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var delay = Config.get("guest-login-delay");
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for (var ip in lastguestlogin) {
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var diff = (Date.now() - lastguestlogin[ip]) / 1000;
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if (diff > delay) {
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delete lastguestlogin[ip];
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}
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}
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if (Config.get("aggressive-gc") && global && global.gc) {
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global.gc();
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}
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}, 5 * 60 * 1000);
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User.prototype.refreshAccount = function (opts, cb) {
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if (!cb) {
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cb = opts;
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opts = {};
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}
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var different = false;
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for (var key in opts) {
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if (opts[key] !== this.account[key]) {
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different = true;
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break;
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}
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}
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if (!different) {
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return;
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}
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var name = ("name" in opts) ? opts.name : this.account.name;
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opts.registered = this.is(Flags.U_REGISTERED);
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var self = this;
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var old = this.account;
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Account.getAccount(name, this.realip, opts, function (err, account) {
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if (!err) {
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/* Update account if anything changed in the meantime */
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for (var key in old) {
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if (self.account[key] !== old[key]) {
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account[key] = self.account[key];
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}
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}
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self.account = account;
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if (account.effectiveRank !== old.effectiveRank) {
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self.emit("effectiveRankChange", self.account.effectiveRank);
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}
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}
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cb(err, account);
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});
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};
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module.exports = User;
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