CyTube/lib/channel.js
2013-09-18 18:16:12 -05:00

2261 lines
64 KiB
JavaScript

/*
The MIT License (MIT)
Copyright (c) 2013 Calvin Montgomery
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:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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.
*/
var fs = require("fs");
var path = require("path");
var Poll = require("./poll.js").Poll;
var Media = require("./media.js").Media;
var Logger = require("./logger.js");
var Rank = require("./rank.js");
var ChatCommand = require("./chatcommand.js");
var Filter = require("./filter.js").Filter;
var Playlist = require("./playlist");
var sanitize = require("validator").sanitize;
var $util = require("./utilities");
var Channel = function(name, Server) {
var self = this;
Logger.syslog.log("Opening channel " + name);
self.initialized = false;
self.dbloaded = false;
self.server = Server;
self.name = name;
self.canonical_name = name.toLowerCase();
// Initialize defaults
self.registered = false;
self.users = [];
self.playlist = new Playlist(self);
self.position = -1;
self.drinks = 0;
self.leader = null;
self.chatbuffer = [];
self.openqueue = false;
self.poll = false;
self.voteskip = false;
self.permissions = {
oplaylistadd: -1,
oplaylistnext: 1.5,
oplaylistmove: 1.5,
oplaylistdelete: 2,
oplaylistjump: 1.5,
oplaylistaddlist: 1.5,
playlistadd: 1.5,
playlistnext: 1.5,
playlistmove: 1.5,
playlistdelete: 2,
playlistjump: 1.5,
playlistaddlist: 1.5,
playlistaddcustom: 3,
playlistaddlive: 1.5,
exceedmaxlength: 2,
addnontemp: 2,
settemp: 2,
playlistgeturl: 1.5,
playlistshuffle: 2,
playlistclear: 2,
pollctl: 1.5,
pollvote: -1,
viewhiddenpoll: 1.5,
voteskip: -1,
mute: 1.5,
kick: 1.5,
ban: 2,
motdedit: 3,
filteredit: 3,
drink: 1.5,
chat: 0
};
self.opts = {
allow_voteskip: true,
voteskip_ratio: 0.5,
afk_timeout: 180,
pagetitle: self.name,
maxlength: 0,
externalcss: "",
externaljs: "",
chat_antiflood: false,
show_public: false,
enable_link_regex: true
};
self.filters = [
new Filter("monospace", "`([^`]+)`", "g", "<code>$1</code>"),
new Filter("bold", "(^|\\s)\\*([^\\*]+)\\*", "g", "$1<strong>$2</strong>"),
new Filter("italic", "(^| )_([^_]+)_", "g", "$1<em>$2</em>"),
new Filter("strikethrough", "~~([^~]+)~~", "g", "<s>$1</s>"),
new Filter("inline spoiler", "\\[spoiler\\](.*)\\[\\/spoiler\\]", "ig", "<span class=\"spoiler\">$1</span>"),
];
self.motd = {
motd: "",
html: ""
};
self.ipbans = {};
self.namebans = {};
self.ip_alias = {};
self.name_alias = {};
self.login_hist = [];
self.logger = new Logger.Logger(path.join(__dirname, "../chanlogs",
self.canonical_name + ".log"));
self.i = 0;
self.time = new Date().getTime();
self.plmeta = {
count: 0,
time: "00:00"
};
self.css = "";
self.js = "";
self.ipkey = "";
for(var i = 0; i < 15; i++) {
self.ipkey += "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"[parseInt(Math.random() * 65)]
}
Server.db.loadChannelData(self, function (err) {
if (err && err === "channel_dead")
return;
else if (!err || err === "channel_unregistered")
self.dbloaded = true;
if(self.registered) {
self.loadDump();
}
});
}
/* REGION Permissions */
Channel.prototype.hasPermission = function(user, key) {
if(key.indexOf("playlist") == 0 && this.openqueue) {
var key2 = "o" + key;
var v = this.permissions[key2];
if(typeof v == "number" && user.rank >= v) {
return true;
}
}
var v = this.permissions[key];
if(typeof v != "number") {
return false;
}
return user.rank >= v;
}
/* REGION Channel data */
Channel.prototype.loadDump = function() {
var self = this;
if(self.name === "")
return;
fs.stat(path.join(__dirname, "../chandump", self.name),
function (err, stats) {
if (self.dead)
return;
if(!err) {
var mb = stats.size / 1048576;
mb = parseInt(mb * 100) / 100;
if(mb > 1) {
Logger.errlog.log("Large chandump detected: " + self.name +
" (" + mb + " MB)");
self.updateMotd("Your channel file has exceeded the " +
"maximum size of 1MB and cannot be " +
"loaded. Please ask an administrator " +
"for assistance in restoring it.");
return;
}
}
fs.readFile(path.join(__dirname, "../chandump", self.name),
function(err, data) {
if (self.dead)
return;
if(err) {
if(err.code == "ENOENT") {
Logger.errlog.log("WARN: missing dump for " + self.name);
self.initialized = true;
self.saveDump();
}
else {
Logger.errlog.log("Failed to open channel dump " + self.name);
Logger.errlog.log(err);
}
return;
}
try {
self.logger.log("*** Loading channel dump from disk");
data = JSON.parse(data);
/* Load the playlist */
// Old
if(data.queue) {
if(data.position < 0)
data.position = 0;
for(var i = 0; i < data.queue.length; i++) {
var e = data.queue[i];
var m = new Media(e.id, e.title, e.seconds, e.type);
var p = self.playlist.makeItem(m);
p.queueby = data.queue[i].queueby ? data.queue[i].queueby
: "";
p.temp = e.temp;
self.playlist.items.append(p);
if(i == data.position)
self.playlist.current = p;
}
self.sendAll("playlist", self.playlist.items.toArray());
self.broadcastPlaylistMeta();
self.playlist.startPlayback();
}
// Current
else if(data.playlist) {
self.playlist.load(data.playlist, function() {
if (self.dead)
return;
self.sendAll("playlist", self.playlist.items.toArray());
self.broadcastPlaylistMeta();
self.playlist.startPlayback(data.playlist.time);
});
}
for(var key in data.opts) {
// Gotta love backwards compatibility
if(key == "customcss" || key == "customjs") {
var k = key.substring(6);
self.opts[k] = data.opts[key];
}
else {
self.opts[key] = data.opts[key];
}
}
for(var key in data.permissions) {
self.permissions[key] = data.permissions[key];
}
self.sendAll("setPermissions", self.permissions);
self.broadcastOpts();
self.users.forEach(function (u) {
u.autoAFK();
});
if(data.filters) {
for(var i = 0; i < data.filters.length; i++) {
var f = data.filters[i];
// Backwards compatibility
if(f[0] != undefined) {
var filt = new Filter("", f[0], "g", f[1]);
filt.active = f[2];
self.updateFilter(filt, false);
}
else {
var filt = new Filter(f.name, f.source, f.flags, f.replace);
filt.active = f.active;
filt.filterlinks = f.filterlinks;
self.updateFilter(filt, false);
}
}
self.broadcastChatFilters();
}
if(data.motd) {
self.motd = data.motd;
self.broadcastMotd();
}
self.setLock(!(data.openqueue || false));
self.chatbuffer = data.chatbuffer || [];
for(var i = 0; i < self.chatbuffer.length; i++) {
self.sendAll("chatMsg", self.chatbuffer[i]);
}
self.css = data.css || "";
self.js = data.js || "";
self.sendAll("channelCSSJS", {css: self.css, js: self.js});
self.initialized = true;
setTimeout(function() { incrementalDump(self); }, 300000);
}
catch(e) {
Logger.errlog.log("Channel dump load failed: ");
Logger.errlog.log(e.stack);
}
});
});
}
Channel.prototype.saveDump = function() {
if (this.dead)
return;
if(!this.initialized || this.name === "")
return;
var filts = new Array(this.filters.length);
for(var i = 0; i < this.filters.length; i++) {
filts[i] = this.filters[i].pack();
}
var dump = {
position: this.position,
currentTime: this.media ? this.media.currentTime : 0,
playlist: this.playlist.dump(),
opts: this.opts,
permissions: this.permissions,
filters: filts,
motd: this.motd,
openqueue: this.openqueue,
chatbuffer: this.chatbuffer,
css: this.css,
js: this.js
};
var text = JSON.stringify(dump);
fs.writeFileSync(path.join(__dirname, "../chandump", this.name), text);
}
// Save channel dumps every 5 minutes, in case of crash
function incrementalDump(chan) {
if(!chan.dead && chan.users && chan.users.length > 0) {
chan.saveDump();
setTimeout(function() { incrementalDump(chan); }, 300000);
}
}
Channel.prototype.readLog = function (filterIp, callback) {
var maxLen = 100000; // Most recent 100KB
var file = this.logger.filename;
fs.stat(file, function (err, data) {
if(err) {
callback(err, null);
return;
}
var start = data.size - maxLen;
if(start < 0) {
start = 0;
}
var end = data.size - 1;
var rs = fs.createReadStream(file, {
start: start,
end: end
});
var buffer = "";
rs.on("data", function (data) {
buffer += data;
});
rs.on("end", function () {
if(filterIp) {
buffer = buffer.replace(
/\d+\.\d+\.(\d+\.\d+)/g,
"x.x.$1"
).replace(
/\d+\.\d+\.(\d+)/g,
"x.x.$1.*"
);
}
callback(false, buffer);
});
});
}
Channel.prototype.tryReadLog = function (user) {
if(user.rank < 3)
return;
var filterIp = true;
if(user.global_rank >= 255)
filterIp = false;
this.readLog(filterIp, function (err, data) {
if(err) {
user.socket.emit("readChanLog", {
success: false
});
} else {
user.socket.emit("readChanLog", {
success: true,
data: data
});
}
});
}
Channel.prototype.tryRegister = function (user) {
var self = this;
if(self.registered) {
self.server.actionlog.record(user.ip, user.name, "channel-register-failure",
[self.name, "Channel already registered"]);
user.socket.emit("registerChannel", {
success: false,
error: "This channel is already registered"
});
}
else if(!user.loggedIn) {
self.server.actionlog.record(user.ip, user.name, "channel-register-failure",
[self.name, "Not logged in"]);
user.socket.emit("registerChannel", {
success: false,
error: "You must log in to register a channel"
});
}
else if(!Rank.hasPermission(user, "registerChannel")) {
self.server.actionlog.record(user.ip, user.name, "channel-register-failure",
[self.name, "Insufficient permissions"]);
user.socket.emit("registerChannel", {
success: false,
error: "You don't have permission to register this channel"
});
}
else {
self.server.db.registerChannel(self.name, user.name,
function (err, res) {
if(err) {
user.socket.emit("registerChannel", {
success: false,
error: "Unable to register channel: " + err
});
return;
}
self.server.actionlog.record(user.ip, user.name,
"channel-register-success", self.name);
if (self.dead)
return;
self.registered = true;
self.initialized = true;
self.saveDump();
self.saveRank(user);
user.socket.emit("registerChannel", {
success: true
});
self.logger.log("*** " + user.name + " registered the channel");
});
}
}
Channel.prototype.unregister = function (user) {
var self = this;
if(!self.registered) {
user.socket.emit("unregisterChannel", {
success: false,
error: "This channel is already unregistered"
});
return;
}
if(user.rank < 10) {
user.socket.emit("unregisterChannel", {
success: false,
error: "You must be the channel owner to unregister it"
});
return;
}
self.server.db.dropChannel(self.name, function (err, res) {
if(err) {
user.socket.emit("unregisterChannel", {
success: false,
error: "Unregistration failed: " + err
});
return;
}
user.socket.emit("unregisterChannel", { success: true });
if (!self.dead)
self.registered = false;
});
}
Channel.prototype.getRank = function (name, callback) {
var self = this;
self.server.db.getGlobalRank(name, function (err, global) {
if (self.dead)
return;
if(err) {
callback(err, null);
return;
}
if(!self.registered) {
callback(null, global);
return;
}
self.server.db.getChannelRank(self.name, name,
function (err, rank) {
if(err) {
callback(err, null);
return;
}
callback(null, rank > global ? rank : global);
});
});
}
Channel.prototype.saveRank = function (user, callback) {
if(!this.registered)
return;
if(!user.saverank)
return;
this.server.db.setChannelRank(this.name, user.name, user.rank, callback);
}
Channel.prototype.getIPRank = function (ip, callback) {
var self = this;
self.server.db.listAliases(ip, function (err, names) {
if (self.dead)
return;
self.server.db.listChannelUserRanks(self.name, names,
function (err, res) {
if (self.dead)
return;
if(err) {
callback(err, null);
return;
}
var rank = 0;
for(var i in res) {
rank = (res[i] > rank) ? res[i] : rank;
}
self.server.db.listGlobalRanks(names, function (err, res) {
if(err) {
callback(err, null);
return;
}
for(var i in res) {
rank = (res[i] > rank) ? res[i] : rank;
}
callback(null, rank);
});
});
});
}
Channel.prototype.cacheMedia = function(media) {
var self = this;
// Prevent the copy in the playlist from messing with this one
media = media.dup();
if(media.temp) {
return;
}
if(self.registered) {
self.server.db.addToLibrary(self.name, media);
}
}
Channel.prototype.tryNameBan = function(actor, name) {
var self = this;
if(!self.hasPermission(actor, "ban")) {
return false;
}
name = name.toLowerCase();
if(name == actor.name.toLowerCase()) {
actor.socket.emit("costanza", {
msg: "Trying to ban yourself?"
});
return;
}
self.getRank(name, function (err, rank) {
if (self.dead)
return;
if(err) {
actor.socket.emit("errorMsg", {
msg: "Internal error " + err
});
return;
}
if(rank >= actor.rank) {
actor.socket.emit("errorMsg", {
msg: "You don't have permission to ban " + name
});
return;
}
self.namebans[name] = actor.name;
for(var i = 0; i < self.users.length; i++) {
if(self.users[i].name.toLowerCase() == name) {
self.kick(self.users[i], "You're banned!");
break;
}
}
self.logger.log("*** " + actor.name + " namebanned " + name);
var notice = {
username: "[server]",
msg: actor.name + " banned " + name,
msgclass: "server-whisper",
time: Date.now()
};
self.users.forEach(function(u) {
if(self.hasPermission(u, "ban")) {
self.sendBanlist(u);
u.socket.emit("chatMsg", notice);
}
});
if(!self.registered) {
return;
}
self.server.db.addChannelBan(self.name, "*", name, actor.name);
});
}
Channel.prototype.unbanName = function(actor, name) {
var self = this;
if(!self.hasPermission(actor, "ban")) {
return false;
}
self.namebans[name] = null;
delete self.namebans[name];
self.logger.log("*** " + actor.name + " un-namebanned " + name);
self.server.db.clearChannelNameBan(self.name, name, function (err, res) {
if (self.dead)
return;
self.users.forEach(function(u) {
self.sendBanlist(u);
});
});
}
Channel.prototype.tryIPBan = function(actor, name, range) {
var self = this;
if(!self.hasPermission(actor, "ban")) {
return;
}
if(typeof name != "string") {
return;
}
name = name.toLowerCase();
if(name == actor.name.toLowerCase()) {
actor.socket.emit("costanza", {
msg: "Trying to ban yourself?"
});
return;
}
self.server.db.listIPsForName(name, function (err, ips) {
if (self.dead)
return;
if(err) {
actor.socket.emit("errorMsg", {
msg: "Internal error: " + err
});
return;
}
ips.forEach(function (ip) {
if(range)
ip = ip.replace(/(\d+)\.(\d+)\.(\d+)\.(\d+)/, "$1.$2.$3");
self.getIPRank(ip, function (err, rank) {
if (self.dead)
return;
if(err) {
actor.socket.emit("errorMsg", {
msg: "Internal error: " + err
});
return;
}
if(rank >= actor.rank) {
actor.socket.emit("errorMsg", {
msg: "You don't have permission to ban IP: " +
$util.maskIP(ip)
});
return;
}
self.ipbans[ip] = [name, actor.name];
self.logger.log("*** " + actor.name + " banned " + ip +
" (" + name + ")");
for(var i = 0; i < self.users.length; i++) {
if(self.users[i].ip.indexOf(ip) == 0) {
self.kick(self.users[i], "Your IP is banned!");
i--;
}
}
if(!self.registered)
return;
self.server.db.addChannelBan(self.name, ip, name,
actor.name,
function (err, res) {
if (self.dead)
return;
var notice = {
username: "[server]",
msg: actor.name + " banned " + $util.maskIP(ip) +
" (" + name + ")",
msgclass: "server-whisper",
time: Date.now()
};
self.users.forEach(function(u) {
if(self.hasPermission(u, "ban")) {
u.socket.emit("chatMsg", notice);
self.sendBanlist(u);
}
});
});
});
});
});
}
Channel.prototype.unbanIP = function(actor, ip) {
var self = this;
if(!self.hasPermission(actor, "ban"))
return false;
self.ipbans[ip] = null;
self.users.forEach(function(u) {
self.sendBanlist(u);
});
self.logger.log("*** " + actor.name + " unbanned " + ip);
if(!self.registered)
return false;
// Update database ban table
self.server.db.clearChannelIPBan(self.name, ip);
}
Channel.prototype.tryUnban = function(actor, data) {
if(data.ip_hidden) {
var ip = this.hideIP(data.ip_hidden);
this.unbanIP(actor, ip);
}
if(data.name) {
this.unbanName(actor, data.name);
}
}
Channel.prototype.search = function(query, callback) {
var self = this;
if(!self.registered) {
callback([]);
return;
}
self.server.db.searchLibrary(self.name, query, function (err, res) {
if(err) {
res = [];
}
res.sort(function(a, b) {
var x = a.title.toLowerCase();
var y = b.title.toLowerCase();
return (x == y) ? 0 : (x < y ? -1 : 1);
});
res.forEach(function (r) {
r.duration = $util.formatTime(r.seconds);
});
callback(res);
});
}
/* REGION User interaction */
Channel.prototype.userJoin = function(user) {
var self = this;
var parts = user.ip.split(".");
var slash24 = parts[0] + "." + parts[1] + "." + parts[2];
// GTFO
if((user.ip in this.ipbans && this.ipbans[user.ip] != null) ||
(slash24 in this.ipbans && this.ipbans[slash24] != null)) {
this.logger.log("--- Kicking " + user.ip + " - banned");
this.kick(user, "You're banned!");
return;
}
if(user.name && user.name.toLowerCase() in this.namebans &&
this.namebans[user.name.toLowerCase()] != null) {
this.kick(user, "You're banned!");
return;
}
// Join the socket pool for this channel
user.socket.join(this.name);
// Prevent duplicate login
if(user.name != "") {
for(var i = 0; i < this.users.length; i++) {
if(this.users[i].name.toLowerCase() == user.name.toLowerCase()) {
if (this.users[i] == user) {
Logger.errlog.log("Wat: userJoin() called on user "+
"already in the channel");
break;
}
this.kick(this.users[i], "Duplicate login");
}
}
}
this.users.push(user);
this.broadcastVoteskipUpdate();
if(user.name != "") {
self.getRank(user.name, function (err, rank) {
if (self.dead)
return;
if(err) {
user.rank = user.global_rank;
user.saverank = false;
} else {
user.saverank = true;
user.rank = rank;
}
user.socket.emit("rank", rank);
self.broadcastNewUser(user);
});
}
this.broadcastUsercount();
// Set the new guy up
this.sendPlaylist(user);
this.sendMediaUpdate(user);
user.socket.emit("setPlaylistLocked", {locked: !this.openqueue});
this.sendUserlist(user);
this.sendRecentChat(user);
user.socket.emit("channelCSSJS", {css: this.css, js: this.js});
if(this.poll) {
user.socket.emit("newPoll", this.poll.packUpdate());
}
user.socket.emit("channelOpts", this.opts);
user.socket.emit("setPermissions", this.permissions);
user.socket.emit("setMotd", this.motd);
user.socket.emit("drinkCount", this.drinks);
// Send things that require special permission
this.sendRankStuff(user);
this.logger.log("+++ " + user.ip + " joined");
Logger.syslog.log(user.ip + " joined channel " + this.name);
}
Channel.prototype.userLeave = function(user) {
// Their socket might already be dead, so wrap in a try-catch
try {
user.socket.leave(this.name);
}
catch(e) {}
// Undo vote for people who leave
if(this.poll) {
this.poll.unvote(user.ip);
this.broadcastPollUpdate();
}
if(this.voteskip) {
this.voteskip.unvote(user.ip);
}
// If they were leading, return control to the server
if(this.leader == user) {
this.changeLeader("");
}
// Remove the user from the client list for this channel
var idx = this.users.indexOf(user);
if(idx >= 0 && idx < this.users.length)
this.users.splice(idx, 1);
this.checkVoteskipPass();
this.broadcastUsercount();
if(user.name != "") {
this.sendAll("userLeave", {
name: user.name
});
}
this.logger.log("--- " + user.ip + " (" + user.name + ") left");
if(this.users.length == 0) {
this.logger.log("*** Channel empty, unloading");
this.server.unloadChannel(this);
}
}
Channel.prototype.kick = function(user, reason) {
user.socket.emit("kick", {
reason: reason
});
user.socket.disconnect(true);
user.channel = null;
}
Channel.prototype.hideIP = function(ip) {
var chars = new Array(15);
for(var i = 0; i < ip.length; i++) {
chars[i] = String.fromCharCode(ip.charCodeAt(i) ^ this.ipkey.charCodeAt(i));
}
return chars.join("");
}
Channel.prototype.sendLoginHistory = function(user) {
if(user.rank < 2)
return;
user.socket.emit("recentLogins", this.login_hist);
}
Channel.prototype.sendBanlist = function(user) {
if(this.hasPermission(user, "ban")) {
var ents = [];
for(var ip in this.ipbans) {
if(this.ipbans[ip] != null) {
var name = this.ipbans[ip][0];
var ip_hidden = this.hideIP(ip);
var disp = ip;
if(user.rank < Rank.Siteadmin) {
disp = $util.maskIP(ip);
}
ents.push({
ip_displayed: disp,
ip_hidden: ip_hidden,
name: name,
aliases: this.ip_alias[ip] || [],
banner: this.ipbans[ip][1]
});
}
}
for(var name in this.namebans) {
if(this.namebans[name] != null) {
ents.push({
ip_displayed: "*",
ip_hidden: false,
name: name,
aliases: this.name_alias[name] || [],
banner: this.namebans[name]
});
}
}
user.socket.emit("banlist", ents);
}
}
Channel.prototype.sendChatFilters = function(user) {
if(this.hasPermission(user, "filteredit")) {
var filts = new Array(this.filters.length);
for(var i = 0; i < this.filters.length; i++) {
filts[i] = this.filters[i].pack();
}
user.socket.emit("chatFilters", filts);
}
}
Channel.prototype.sendRankStuff = function(user) {
this.sendBanlist(user);
this.sendChatFilters(user);
this.sendChannelRanks(user);
}
Channel.prototype.sendChannelRanks = function(user) {
if(Rank.hasPermission(user, "acl") && this.registered) {
this.server.db.listChannelRanks(this.name, function (err, res) {
if(err) {
user.socket.emit("errorMsg", {
msg: "Internal error: " + err
});
return;
}
user.socket.emit("channelRanks", res);
});
}
}
Channel.prototype.sendPlaylist = function(user) {
user.socket.emit("playlist", this.playlist.items.toArray());
if(this.playlist.current)
user.socket.emit("setCurrent", this.playlist.current.uid);
user.socket.emit("setPlaylistMeta", this.plmeta);
}
Channel.prototype.sendMediaUpdate = function(user) {
if(this.playlist.current != null) {
user.socket.emit("changeMedia", this.playlist.current.media.fullupdate());
}
}
Channel.prototype.sendUserlist = function(user) {
var users = [];
for(var i = 0; i < this.users.length; i++) {
// Skip people who haven't logged in
if(this.users[i].name != "") {
users.push({
name: this.users[i].name,
rank: this.users[i].rank,
leader: this.users[i] == this.leader,
meta: this.users[i].meta,
profile: this.users[i].profile
});
}
}
user.socket.emit("userlist", users);
}
// Send the last 15 messages for context
Channel.prototype.sendRecentChat = function(user) {
for(var i = 0; i < this.chatbuffer.length; i++) {
user.socket.emit("chatMsg", this.chatbuffer[i]);
}
}
/* REGION Broadcasts to all clients */
Channel.prototype.sendAll = function(message, data) {
if(this.name == "")
return;
this.server.io.sockets.in(this.name).emit(message, data);
if (this.server.cfg["enable-ssl"])
this.server.sslio.sockets.in(this.name).emit(message, data);
}
Channel.prototype.sendAllWithPermission = function(perm, msg, data) {
for(var i = 0; i < this.users.length; i++) {
if(Rank.hasPermission(this.users[i], perm)) {
this.users[i].socket.emit(msg, data);
}
}
}
Channel.prototype.broadcastPlaylistMeta = function() {
var total = 0;
var iter = this.playlist.items.first;
while(iter !== null) {
if(iter.media !== null)
total += iter.media.seconds;
iter = iter.next;
}
var timestr = $util.formatTime(total);
var packet = {
count: this.playlist.items.length,
time: timestr
};
this.plmeta = packet;
this.sendAll("setPlaylistMeta", packet);
}
Channel.prototype.broadcastUsercount = function() {
this.sendAll("usercount", this.users.length);
}
Channel.prototype.broadcastNewUser = function(user) {
var self = this;
// If the channel is empty and isn't registered, the first person
// gets ownership of the channel (temporarily)
if(self.dbloaded && self.users.length == 1 && !self.registered) {
user.rank = (user.rank < Rank.Owner) ? 10 : user.rank;
user.socket.emit("channelNotRegistered");
user.socket.emit("rank", 10);
}
self.server.db.listAliases(user.ip, function (err, aliases) {
if(err) {
aliases = [];
}
self.ip_alias[user.ip] = aliases;
aliases.forEach(function (alias) {
self.name_alias[alias] = aliases;
});
self.login_hist.unshift({
name: user.name,
aliases: self.ip_alias[user.ip],
time: Date.now()
});
if(self.login_hist.length > 20)
self.login_hist.pop();
if(user.name.toLowerCase() in self.namebans &&
self.namebans[user.name.toLowerCase()] !== null) {
self.kick(user, "You're banned!");
return;
}
self.sendAll("addUser", {
name: user.name,
rank: user.rank,
leader: self.leader == user,
meta: user.meta,
profile: user.profile
});
if(user.rank > Rank.Guest) {
self.saveRank(user);
}
var msg = user.name + " joined (aliases: ";
msg += self.ip_alias[user.ip].join(", ") + ")";
var pkt = {
username: "[server]",
msg: msg,
msgclass: "server-whisper",
time: Date.now()
};
self.users.forEach(function(u) {
if(u.rank >= 2) {
u.socket.emit("joinMessage", pkt);
}
});
});
}
Channel.prototype.broadcastUserUpdate = function(user) {
this.sendAll("updateUser", {
name: user.name,
rank: user.rank,
leader: this.leader == user,
meta: user.meta,
profile: user.profile
});
this.sendRankStuff(user);
}
Channel.prototype.broadcastPoll = function() {
var self = this;
var unhidden = this.poll.packUpdate(true);
var hidden = this.poll.packUpdate(false);
this.users.forEach(function (u) {
if (self.hasPermission(u, "viewhiddenpoll"))
u.socket.emit("newPoll", unhidden);
else
u.socket.emit("newPoll", hidden);
});
}
Channel.prototype.broadcastPollUpdate = function() {
var self = this;
var unhidden = this.poll.packUpdate(true);
var hidden = this.poll.packUpdate(false);
this.users.forEach(function (u) {
if (self.hasPermission(u, "viewhiddenpoll"))
u.socket.emit("updatePoll", unhidden);
else
u.socket.emit("updatePoll", hidden);
});
}
Channel.prototype.broadcastPollClose = function() {
this.sendAll("closePoll");
}
Channel.prototype.broadcastOpts = function() {
this.sendAll("channelOpts", this.opts);
}
Channel.prototype.broadcastBanlist = function() {
var ents = [];
var adminents = [];
for(var ip in this.ipbans) {
if(this.ipbans[ip] != null) {
var name = this.ipbans[ip][0];
var ip_hidden = this.hideIP(ip);
ents.push({
ip_displayed: $util.maskIP(ip),
ip_hidden: ip_hidden,
name: name,
aliases: this.ip_alias[ip] || [],
banner: this.ipbans[ip][1]
});
adminents.push({
ip_displayed: ip,
ip_hidden: ip_hidden,
name: name,
aliases: this.ip_alias[ip] || [],
banner: this.ipbans[ip][1]
});
}
}
for(var name in this.namebans) {
if(this.namebans[name] != null) {
ents.push({
ip_displayed: "*",
ip_hidden: false,
name: name,
aliases: this.name_alias[name] || [],
banner: this.namebans[name]
});
adminents.push({
ip_displayed: "*",
ip_hidden: false,
name: name,
aliases: this.name_alias[name] || [],
banner: this.namebans[name]
});
}
}
for(var i = 0; i < this.users.length; i++) {
if(this.hasPermission(this.users[i], "ban")) {
if(this.users[i].rank >= Rank.Siteadmin) {
this.users[i].socket.emit("banlist", adminents);
}
else {
this.users[i].socket.emit("banlist", ents);
}
}
}
}
Channel.prototype.broadcastChatFilters = function() {
var filts = new Array(this.filters.length);
for(var i = 0; i < this.filters.length; i++) {
filts[i] = this.filters[i].pack();
}
for(var i = 0; i < this.users.length; i++) {
if(this.hasPermission(this.users[i], "filteredit")) {
this.users[i].socket.emit("chatFilters", filts);
}
}
}
Channel.prototype.calcVoteskipMax = function () {
var self = this;
// good ol' map-reduce
return self.users.map(function (u) {
if (!self.hasPermission(u, "voteskip"))
return 0;
return u.meta.afk ? 0 : 1;
}).reduce(function (a, b) {
return a + b;
}, 0);
};
Channel.prototype.broadcastVoteskipUpdate = function() {
var amt = this.voteskip ? this.voteskip.counts[0] : 0;
var count = this.calcVoteskipMax();
var need = this.voteskip ? Math.ceil(count * this.opts.voteskip_ratio) : 0;
for(var i = 0; i < this.users.length; i++) {
if(Rank.hasPermission(this.users[i], "seeVoteskip") ||
this.leader == this.users[i]) {
this.users[i].socket.emit("voteskip", {
count: amt,
need: need
});
}
}
}
Channel.prototype.broadcastMotd = function() {
this.sendAll("setMotd", this.motd);
}
Channel.prototype.broadcastDrinks = function() {
this.sendAll("drinkCount", this.drinks);
}
/* REGION Playlist Stuff */
Channel.prototype.onVideoChange = function () {
this.voteskip = false;
this.broadcastVoteskipUpdate();
this.drinks = 0;
this.broadcastDrinks();
}
function isLive(type) {
return type == "li" // Livestream.com
|| type == "tw" // Twitch.tv
|| type == "jt" // Justin.tv
|| type == "rt" // RTMP
|| type == "jw" // JWPlayer
|| type == "us" // Ustream.tv
|| type == "im" // Imgur album
|| type == "cu";// Custom Embed
}
Channel.prototype.queueAdd = function(item, after) {
var chan = this;
function afterAdd() {
chan.sendAll("queue", {
item: item.pack(),
after: after
});
chan.broadcastPlaylistMeta();
}
if(after === "prepend")
this.playlist.prepend(item, afterAdd);
else if(after === "append")
this.playlist.append(item, afterAdd);
else
this.playlist.insertAfter(item, after, afterAdd);
}
Channel.prototype.autoTemp = function(item, user) {
if(isLive(item.media.type)) {
item.temp = true;
}
if(!this.hasPermission(user, "addnontemp")) {
item.temp = true;
}
}
Channel.prototype.tryQueue = function(user, data) {
if(!this.hasPermission(user, "playlistadd")) {
return;
}
if(typeof data.pos !== "string") {
return;
}
if(typeof data.id !== "string" && data.id !== false) {
return;
}
if(data.pos == "next" && !this.hasPermission(user, "playlistnext")) {
return;
}
var limit = {
burst: 3,
sustained: 1
};
if (user.rank >= Rank.Moderator || this.leader == user) {
limit = {
burst: 10,
sustained: 2
};
}
if (user.queueLimiter.throttle(limit)) {
user.socket.emit("queueFail", "You are adding videos too quickly");
return;
}
if(typeof data.title !== "string")
data.title = false;
data.queueby = user ? user.name : "";
data.temp = !this.hasPermission(user, "addnontemp");
if(data.list)
this.addMediaList(data, user);
else
this.addMedia(data, user);
}
Channel.prototype.addMedia = function(data, user) {
var self = this;
if(data.type === "yp" &&
!self.hasPermission(user, "playlistaddlist")) {
user.socket.emit("queueFail", "You don't have permission to add " +
"playlists");
return;
}
if(data.type === "cu" &&
!self.hasPermission(user, "playlistaddcustom")) {
user.socket.emit("queueFail", "You don't have permission to add " +
"custom embeds");
return;
}
if(isLive(data.type) &&
!self.hasPermission(user, "playlistaddlive")) {
user.socket.emit("queueFail", "You don't have " +
"permission to add livestreams");
return;
}
data.temp = data.temp || isLive(data.type);
data.queueby = user ? user.name : "";
data.maxlength = self.hasPermission(user, "exceedmaxlength")
? 0
: this.opts.maxlength;
var postAdd = function (item, cached) {
if (self.dead)
return;
if(item.media.type === "cu" && data.title) {
var t = data.title;
if(t.length > 100)
t = t.substring(0, 97) + "...";
item.media.title = t;
}
self.logger.log("### " + user.name + " queued " + item.media.title);
self.sendAll("queue", {
item: item.pack(),
after: item.prev ? item.prev.uid : "prepend"
});
self.broadcastPlaylistMeta();
if(!cached && !item.temp)
self.cacheMedia(item.media);
}
// No need to check library for livestreams - they aren't cached
if(isLive(data.type)) {
self.playlist.addMedia(data, function (err, data) {
if (self.dead)
return;
if(err) {
if(err === true)
err = false;
if(user)
user.socket.emit("queueFail", err);
return;
}
else {
postAdd(data, false);
}
});
return;
}
// Don't search library if the channel isn't registered
if(!self.registered) {
self.playlist.addMedia(data, function(err, item) {
if (self.dead)
return;
if(err) {
if(err === true)
err = false;
if(user)
user.socket.emit("queueFail", err);
return;
} else {
postAdd(item, false);
}
});
return;
}
self.server.db.getLibraryItem(self.name, data.id,
function (err, item) {
if (self.dead)
return;
if(err) {
user.socket.emit("queueFail", "Internal error: " + err);
return;
}
if(item !== null) {
var m = new Media(item.id, item.title, item.seconds, item.type);
if(data.maxlength && m.seconds > data.maxlength) {
user.socket.emit("queueFail", "Media is too long!");
return;
}
data.media = m;
self.playlist.addCachedMedia(data, function (err, item) {
if (self.dead)
return;
if(err) {
if(err === true)
err = false;
if(user)
user.socket.emit("queueFail", err);
return;
} else {
postAdd(item, true);
}
});
} else {
self.playlist.addMedia(data, function(err, item) {
if (self.dead)
return;
if(err) {
if(err === true)
err = false;
if(user)
user.socket.emit("queueFail", err);
return;
} else {
postAdd(item, false);
}
});
}
});
}
Channel.prototype.addMediaList = function(data, user) {
var chan = this;
this.playlist.addMediaList(data, function(err, item) {
if (chan.dead)
return;
if(err) {
if(err === true)
err = false;
if(user)
user.socket.emit("queueFail", err);
return;
}
else {
chan.logger.log("### " + user.name + " queued " + item.media.title);
item.temp = data.temp;
item.queueby = data.queueby;
chan.sendAll("queue", {
item: item.pack(),
after: item.prev ? item.prev.uid : "prepend"
});
chan.broadcastPlaylistMeta();
if(!item.temp)
chan.cacheMedia(item.media);
}
});
}
Channel.prototype.tryQueuePlaylist = function(user, data) {
var self = this;
if(!this.hasPermission(user, "playlistaddlist")) {
return;
}
if(typeof data.name != "string" ||
typeof data.pos != "string") {
return;
}
if(data.pos == "next" && !this.hasPermission(user, "playlistnext")) {
return;
}
self.server.db.getUserPlaylist(user.name, data.name,
function (err, pl) {
if (self.dead)
return;
if(err) {
user.socket.emit("errorMsg", {
msg: "Playlist load failed: " + err
});
return;
}
data.list = pl;
data.queueby = user.name;
data.temp = !self.hasPermission(user, "addnontemp");
self.addMediaList(data, user);
});
}
Channel.prototype.setTemp = function(uid, temp) {
var item = this.playlist.items.find(uid);
if(!item)
return;
item.temp = temp;
this.sendAll("setTemp", {
uid: uid,
temp: temp
});
if(!temp) {
this.cacheMedia(item.media);
}
}
Channel.prototype.trySetTemp = function(user, data) {
if(!this.hasPermission(user, "settemp")) {
return;
}
if(typeof data.uid != "number" || typeof data.temp != "boolean") {
return;
}
this.setTemp(data.uid, data.temp);
}
Channel.prototype.dequeue = function(uid) {
var chan = this;
function afterDelete() {
chan.sendAll("delete", {
uid: uid
});
chan.broadcastPlaylistMeta();
}
if(!this.playlist.remove(uid, afterDelete))
return;
}
Channel.prototype.tryDequeue = function(user, data) {
if(!this.hasPermission(user, "playlistdelete"))
return;
if(typeof data !== "number")
return;
var plitem = this.playlist.items.find(data);
if(plitem && plitem.media)
this.logger.log("### " + user.name + " deleted " + plitem.media.title);
this.dequeue(data);
}
Channel.prototype.tryUncache = function(user, data) {
var self = this;
if(!Rank.hasPermission(user, "uncache")) {
return;
}
if(typeof data.id != "string") {
return;
}
self.server.db.removeFromLibrary(self.name, data.id,
function (err, res) {
if (self.dead)
return;
if(err)
return;
self.logger.log("*** " + user.name + " deleted " + data.id +
" from library");
});
}
Channel.prototype.playNext = function() {
this.playlist.next();
}
Channel.prototype.tryPlayNext = function(user) {
if(!this.hasPermission(user, "playlistjump")) {
return;
}
this.logger.log("### " + user.name + " skipped the video");
this.playNext();
}
Channel.prototype.jumpTo = function(uid) {
return this.playlist.jump(uid);
}
Channel.prototype.tryJumpTo = function(user, data) {
if(!this.hasPermission(user, "playlistjump")) {
return;
}
if(typeof data !== "number") {
return;
}
this.logger.log("### " + user.name + " skipped the video");
this.jumpTo(data);
}
Channel.prototype.clearqueue = function() {
this.playlist.clear();
this.sendAll("playlist", this.playlist.items.toArray());
this.broadcastPlaylistMeta();
}
Channel.prototype.tryClearqueue = function(user) {
if(!this.hasPermission(user, "playlistclear")) {
return;
}
this.logger.log("### " + user.name + " cleared the playlist");
this.clearqueue();
}
Channel.prototype.shufflequeue = function() {
var n = [];
var pl = this.playlist.items.toArray(false);
this.playlist.clear();
while(pl.length > 0) {
var i = parseInt(Math.random() * pl.length);
var item = this.playlist.makeItem(pl[i].media);
item.temp = pl[i].temp;
item.queueby = pl[i].queueby;
this.playlist.items.append(item);
pl.splice(i, 1);
}
this.playlist.current = this.playlist.items.first;
this.sendAll("playlist", this.playlist.items.toArray());
this.sendAll("setPlaylistMeta", this.plmeta);
this.playlist.startPlayback();
}
Channel.prototype.tryShufflequeue = function(user) {
if(!this.hasPermission(user, "playlistshuffle")) {
return;
}
this.logger.log("### " + user.name + " shuffled the playlist");
this.shufflequeue();
}
Channel.prototype.tryUpdate = function(user, data) {
if(this.leader != user) {
return;
}
if(typeof data.id !== "string" || typeof data.currentTime !== "number")
return;
if(this.playlist.current === null) {
return;
}
if(isLive(this.playlist.current.media.type)
&& this.playlist.current.media.type != "jw") {
return;
}
if(this.playlist.current.media.id != data.id) {
return;
}
this.playlist.current.media.currentTime = data.currentTime;
this.playlist.current.media.paused = data.paused;
this.sendAll("mediaUpdate", this.playlist.current.media.timeupdate());
}
Channel.prototype.move = function(data, user) {
var chan = this;
function afterMove() {
if (chan.dead)
return;
var moveby = user && user.name ? user.name : null;
if(typeof data.moveby !== "undefined")
moveby = data.moveby;
var fromit = chan.playlist.items.find(data.from);
var afterit = chan.playlist.items.find(data.after);
var aftertitle = afterit && afterit.media ? afterit.media.title : "";
if(fromit) {
chan.logger.log("### " + user.name + " moved " + fromit.media.title
+ (aftertitle ? " after " + aftertitle : ""));
}
chan.sendAll("moveVideo", {
from: data.from,
after: data.after,
moveby: moveby
});
}
this.playlist.move(data.from, data.after, afterMove);
}
Channel.prototype.tryMove = function(user, data) {
if(!this.hasPermission(user, "playlistmove")) {
return;
}
if(typeof data.from !== "number" || (typeof data.after !== "number" && typeof data.after !== "string"))
return;
this.move(data, user);
}
/* REGION Polls */
Channel.prototype.tryOpenPoll = function(user, data) {
if(!this.hasPermission(user, "pollctl") && this.leader != user) {
return;
}
if(!data.title || !data.opts) {
return;
}
var obscured = (data.obscured === true);
var poll = new Poll(user.name, data.title, data.opts, obscured);
this.poll = poll;
this.broadcastPoll();
this.logger.log("*** " + user.name + " Opened Poll: '" + poll.title + "'");
}
Channel.prototype.tryClosePoll = function(user) {
if(!this.hasPermission(user, "pollctl")) {
return;
}
if(this.poll) {
if (this.poll.obscured) {
this.poll.obscured = false;
this.broadcastPollUpdate();
}
this.logger.log("*** " + user.name + " closed the active poll");
this.poll = false;
this.broadcastPollClose();
}
}
Channel.prototype.tryVote = function(user, data) {
if(!this.hasPermission(user, "pollvote")) {
return;
}
if(typeof data.option !== "number") {
return;
}
if(this.poll) {
this.poll.vote(user.ip, data.option);
this.broadcastPollUpdate();
}
}
Channel.prototype.tryVoteskip = function(user) {
if(!this.opts.allow_voteskip) {
return;
}
if(!this.hasPermission(user, "voteskip"))
return;
// Voteskip = auto-unafk
user.setAFK(false);
user.autoAFK();
if(!this.voteskip) {
this.voteskip = new Poll("voteskip", "voteskip", ["yes"]);
}
this.voteskip.vote(user.ip, 0);
this.logger.log("### " + user.name + " voteskipped");
this.checkVoteskipPass();
}
Channel.prototype.checkVoteskipPass = function () {
if(!this.opts.allow_voteskip)
return false;
if(!this.voteskip)
return false;
var count = this.calcVoteskipMax();
var need = Math.ceil(count * this.opts.voteskip_ratio);
if(this.voteskip.counts[0] >= need)
this.playNext();
this.broadcastVoteskipUpdate();
return true;
}
/* REGION Channel Option stuff */
Channel.prototype.setLock = function(locked) {
this.openqueue = !locked;
this.sendAll("setPlaylistLocked", {locked: locked});
}
Channel.prototype.trySetLock = function(user, data) {
if(!Rank.hasPermission(user, "qlock")) {
return;
}
if(data.locked == undefined) {
return;
}
this.logger.log("*** " + user.name + " set playlist lock to " + data.locked);
this.setLock(data.locked);
}
Channel.prototype.tryToggleLock = function(user) {
if(!Rank.hasPermission(user, "qlock")) {
return;
}
this.logger.log("*** " + user.name + " set playlist lock to " + this.openqueue);
this.setLock(this.openqueue);
}
Channel.prototype.tryRemoveFilter = function(user, f) {
if(!this.hasPermission(user, "filteredit"))
return false;
this.logger.log("%%% " + user.name + " removed filter: " + f.name);
this.removeFilter(f);
}
Channel.prototype.removeFilter = function(filter) {
for(var i = 0; i < this.filters.length; i++) {
if(this.filters[i].name == filter.name) {
this.filters.splice(i, 1);
break;
}
}
this.broadcastChatFilters();
}
Channel.prototype.updateFilter = function(filter, emit) {
if(filter.name == "")
filter.name = filter.source;
var found = false;
for(var i = 0; i < this.filters.length; i++) {
if(this.filters[i].name == filter.name) {
found = true;
this.filters[i] = filter;
break;
}
}
if(!found) {
this.filters.push(filter);
}
if(emit !== false)
this.broadcastChatFilters();
}
Channel.prototype.tryUpdateFilter = function(user, f) {
if(!this.hasPermission(user, "filteredit")) {
return;
}
var re = f.source;
var flags = f.flags;
// Temporary fix
// 2013-09-12 Temporary my ass
f.replace = f.replace.replace(/style/g, "stlye");
f.replace = sanitize(f.replace).xss();
f.replace = f.replace.replace(/stlye/g, "style");
try {
new RegExp(re, flags);
}
catch(e) {
return;
}
var filter = new Filter(f.name, f.source, f.flags, f.replace);
filter.active = f.active;
filter.filterlinks = f.filterlinks;
this.logger.log("%%% " + user.name + " updated filter: " + f.name);
this.updateFilter(filter);
}
Channel.prototype.moveFilter = function(data) {
if(data.from < 0 || data.to < 0 || data.from >= this.filters.length ||
data.to > this.filters.length) {
return;
}
var f = this.filters[data.from];
var to = data.to > data.from ? data.to + 1 : data.to;
var from = data.to > data.from ? data.from : data.from + 1;
this.filters.splice(to, 0, f);
this.filters.splice(from, 1);
this.broadcastChatFilters();
}
Channel.prototype.tryMoveFilter = function(user, data) {
if(!this.hasPermission(user, "filteredit"))
return;
if(typeof data.to !== "number" || typeof data.from !== "number")
return;
this.moveFilter(data);
}
Channel.prototype.tryUpdatePermissions = function(user, perms) {
if(!Rank.hasPermission(user, "channelperms")) {
return;
}
for(var key in perms) {
this.permissions[key] = perms[key];
}
this.logger.log("%%% " + user.name + " updated permissions");
this.sendAll("setPermissions", this.permissions);
}
Channel.prototype.tryUpdateOptions = function(user, data) {
if(!Rank.hasPermission(user, "channelOpts")) {
return;
}
const adminonly = {
pagetitle: true,
externalcss: true,
externaljs: true,
show_public: true
};
if ("afk_timeout" in data) {
data.afk_timeout = parseInt(data.afk_timeout);
if(data.afk_timeout < 0)
data.afk_timeout = 0;
}
for(var key in this.opts) {
if(key in data) {
if(key in adminonly && user.rank < Rank.Owner) {
continue;
}
if(key === "afk_timeout" && this.opts[key] != data[key]) {
this.users.forEach(function (u) {
u.autoAFK();
});
}
this.opts[key] = data[key];
}
}
this.logger.log("%%% " + user.name + " updated channel options");
this.broadcastOpts();
}
Channel.prototype.trySetCSS = function(user, data) {
if(!Rank.hasPermission(user, "setcss")) {
return;
}
var css = data.css || "";
if(css.length > 20000) {
css = css.substring(0, 20000);
}
this.css = css;
this.sendAll("channelCSSJS", {
css: this.css,
js: this.js
});
this.logger.log("%%% " + user.name + " set channel CSS");
}
Channel.prototype.trySetJS = function(user, data) {
if(!Rank.hasPermission(user, "setjs")) {
return;
}
var js = data.js || "";
if(js.length > 20000) {
js = js.substring(0, 20000);
}
this.js = js;
this.sendAll("channelCSSJS", {
css: this.css,
js: this.js
});
this.logger.log("%%% " + user.name + " set channel JS");
}
Channel.prototype.updateMotd = function(motd) {
var html = motd.replace(/\n/g, "<br>");
// Temporary fix
html = html.replace("style", "stlye");
html = sanitize(html).xss();
html = html.replace("stlye", "style");
//html = this.filterMessage(html);
this.motd = {
motd: motd,
html: html
};
this.broadcastMotd();
}
Channel.prototype.tryUpdateMotd = function(user, data) {
if(!this.hasPermission(user, "motdedit")) {
return;
}
data.motd = data.motd || "";
this.updateMotd(data.motd);
this.logger.log("%%% " + user.name + " set the MOTD");
}
/* REGION Chat */
Channel.prototype.tryChat = function(user, data) {
if(user.name == "") {
return;
}
if(!this.hasPermission(user, "chat"))
return;
if(user.muted) {
user.socket.emit("noflood", {
action: "chat",
msg: "You have been muted on this channel."
});
return;
}
if(typeof data.msg !== "string") {
return;
}
var msg = data.msg;
if(msg.length > 240) {
msg = msg.substring(0, 240);
}
if(this.opts.chat_antiflood && user.noflood("chat", 2.0)) {
return;
}
this.chainMessage(user, msg);
}
Channel.prototype.chainMessage = function(user, msg, data) {
if(msg.indexOf("/") == 0)
ChatCommand.handle(this, user, msg, data);
else if(msg.indexOf(">") == 0)
this.sendMessage(user.name, msg, "greentext", data);
else
this.sendMessage(user.name, msg, "", data);
}
Channel.prototype.filterMessage = function(msg) {
const link = /((?:(?:https?)|(?:ftp))(?::\/\/[0-9a-zA-Z\.]+(?::[0-9]+)?[^\s'"$]+))/g;
var subs = msg.split(link);
// Apply other filters
for(var j = 0; j < subs.length; j++) {
if(this.opts.enable_link_regex && subs[j].match(link)) {
subs[j] = subs[j].replace(link, "<a href=\"$1\" target=\"_blank\">$1</a>");
for(var i = 0; i < this.filters.length; i++) {
if(!this.filters[i].filterlinks || !this.filters[i].active)
continue;
subs[j] = this.filters[i].filter(subs[j]);
}
continue;
}
for(var i = 0; i < this.filters.length; i++) {
if(!this.filters[i].active)
continue;
subs[j] = this.filters[i].filter(subs[j]);
}
}
return subs.join("");
}
Channel.prototype.sendMessage = function(username, msg, msgclass, data) {
// I don't want HTML from strangers
msg = sanitize(msg).escape();
msg = this.filterMessage(msg);
var msgobj = {
username: username,
msg: msg,
msgclass: msgclass,
time: Date.now()
};
if(data) {
for(var key in data) {
msgobj[key] = data[key];
}
}
this.sendAll("chatMsg", msgobj);
this.chatbuffer.push(msgobj);
if(this.chatbuffer.length > 15)
this.chatbuffer.shift();
var unescaped = sanitize(msg).entityDecode();
this.logger.log("<" + username + "." + msgclass + "> " + unescaped);
};
/* REGION Rank stuff */
Channel.prototype.trySetRank = function(user, data) {
var self = this;
if(!Rank.hasPermission(user, "promote"))
return;
if(typeof data.user !== "string" || typeof data.rank !== "number")
return;
if(data.rank >= user.rank)
return;
if(data.rank < 1)
return;
var receiver;
for(var i = 0; i < self.users.length; i++) {
if(self.users[i].name == data.user) {
receiver = self.users[i];
break;
}
}
if(receiver) {
if(receiver.rank >= user.rank)
return;
receiver.rank = data.rank;
if(receiver.loggedIn) {
self.saveRank(receiver, function (err, res) {
if (self.dead)
return;
self.logger.log("*** " + user.name + " set " +
data.user + "'s rank to " + data.rank);
self.sendAllWithPermission("acl", "setChannelRank", data);
});
}
self.broadcastUserUpdate(receiver);
} else if(self.registered) {
self.getRank(data.user, function (err, rrank) {
if (self.dead)
return;
if(err)
return;
if(rrank >= user.rank)
return;
self.server.db.setChannelRank(self.name, data.user,
data.rank, function (err, res) {
if (self.dead)
return;
self.logger.log("*** " + user.name + " set " +
data.user + "'s rank to " + data.rank);
self.sendAllWithPermission("acl", "setChannelRank", data);
});
});
}
}
Channel.prototype.changeLeader = function(name) {
if(this.leader != null) {
var old = this.leader;
this.leader = null;
if(old.rank == 1.5) {
old.rank = old.oldrank;
}
this.broadcastUserUpdate(old);
}
if(name == "") {
this.logger.log("*** Resuming autolead");
/*
if(this.playlist.current != null && !isLive(this.playlist.current.media.type)) {
this.playlist.current.media.paused = false;
this.time = new Date().getTime();
this.i = 0;
mediaUpdate(this, this.playlist.current.media.id);
}
*/
this.playlist.lead(true);
return;
}
for(var i = 0; i < this.users.length; i++) {
if(this.users[i].name == name) {
this.logger.log("*** Assigned leader: " + name);
this.playlist.lead(false);
this.leader = this.users[i];
if(this.users[i].rank < 1.5) {
this.users[i].oldrank = this.users[i].rank;
this.users[i].rank = 1.5;
}
this.broadcastUserUpdate(this.leader);
}
}
}
Channel.prototype.tryChangeLeader = function(user, data) {
if(!Rank.hasPermission(user, "assignLeader")) {
return;
}
if(data.name == undefined) {
return;
}
this.changeLeader(data.name);
this.logger.log("### " + user.name + " assigned leader to " + data.name);
}
module.exports = Channel;