sync/channel.js

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2013-04-03 17:47:41 +00:00
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/*
The MIT License (MIT)
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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var fs = require("fs");
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var Database = require("./database.js");
var Poll = require("./poll.js").Poll;
var Media = require("./media.js").Media;
var formatTime = require("./media.js").formatTime;
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var Logger = require("./logger.js");
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var InfoGetter = require("./get-info.js");
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var Server = require("./server.js");
var io = Server.io;
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var Rank = require("./rank.js");
var Auth = require("./auth.js");
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var ChatCommand = require("./chatcommand.js");
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var Filter = require("./filter.js").Filter;
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var Channel = function(name) {
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Logger.syslog.log("Opening channel " + name);
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this.name = name;
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// Initialize defaults
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this.registered = false;
this.users = [];
this.queue = [];
this.library = {};
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this.position = -1;
this.media = null;
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this.drinks = 0;
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this.leader = null;
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this.chatbuffer = [];
this.openqueue = false;
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this.poll = false;
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this.voteskip = false;
this.opts = {
qopen_allow_qnext: false,
qopen_allow_move: false,
qopen_allow_playnext: false,
qopen_allow_delete: false,
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qopen_temp: true,
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allow_voteskip: true,
voteskip_ratio: 0.5,
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pagetitle: this.name,
customcss: "",
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customjs: "",
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chat_antiflood: false,
show_public: false
};
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this.filters = [
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new Filter("monospace", "`([^`]+)`", "g", "<code>$1</code>"),
new Filter("bold", "\\*([^\\*]+)\\*", "g", "<strong>$1</strong>"),
new Filter("italic", "(^| )_([^_]+)_", "g", "$1<em>$2</em>"),
new Filter("inline spoiler", "\\[spoiler\\](.*)\\[\\/spoiler\\]", "ig", "<span class=\"spoiler\">$1</span>")
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];
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this.motd = {
motd: "",
html: ""
};
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this.ipbans = {};
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this.logins = {};
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this.logger = new Logger.Logger("chanlogs/" + this.name + ".log");
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this.i = 0;
this.time = new Date().getTime();
this.plmeta = {
count: 0,
time: "00:00"
};
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Database.loadChannel(this);
if(this.registered) {
this.loadDump();
}
}
/* REGION Channel data */
Channel.prototype.loadDump = function() {
fs.readFile("chandump/" + this.name, function(err, data) {
if(err) {
return;
}
try {
this.logger.log("*** Loading channel dump from disk");
data = JSON.parse(data);
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);
m.queueby = data.queue[i].queueby ? data.queue[i].queueby
: "";
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if(e.temp !== undefined) {
m.temp = e.temp;
}
this.queue.push(m);
}
this.sendAll("playlist", {
pl: this.queue
});
this.broadcastPlaylistMeta();
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// Backwards compatibility
if(data.currentPosition != undefined) {
this.position = data.currentPosition - 1;
}
else {
this.position = data.position - 1;
}
if(this.position < -1)
this.position = -1;
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if(this.queue.length > 0)
this.playNext();
if(this.media && data.currentTime) {
this.media.currentTime = data.currentTime;
}
for(var key in data.opts) {
this.opts[key] = data.opts[key];
}
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this.broadcastOpts();
if(data.filters) {
for(var i = 0; i < data.filters.length; i++) {
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var f = data.filters[i];
// Backwards compatibility
if(f[0] != undefined) {
var filt = new Filter("", f[0], "g", f[1]);
filt.active = f[2];
this.updateFilter(filt);
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}
else {
var filt = new Filter(f.name, f.source, f.flags, f.replace);
filt.active = f.active;
this.updateFilter(filt);
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}
}
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this.broadcastChatFilters();
}
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if(data.motd) {
this.motd = data.motd;
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this.broadcastMotd();
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}
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data.logins = data.logins || {};
for(var ip in data.logins) {
this.logins[ip] = data.logins[ip];
}
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this.setLock(!(data.openqueue || false));
this.chatbuffer = data.chatbuffer || [];
for(var i = 0; i < this.chatbuffer.length; i++) {
this.sendAll("chatMsg", this.chatbuffer[i]);
}
setTimeout(function() { incrementalDump(this); }, 300000);
}
catch(e) {
Logger.errlog.log("Channel dump load failed: ");
Logger.errlog.log(e);
}
}.bind(this));
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}
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Channel.prototype.saveDump = function() {
var filts = new Array(this.filters.length);
for(var i = 0; i < this.filters.length; i++) {
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filts[i] = this.filters[i].pack();
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}
var dump = {
position: this.position,
currentTime: this.media ? this.media.currentTime : 0,
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queue: this.queue,
opts: this.opts,
filters: filts,
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motd: this.motd,
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logins: this.logins,
openqueue: this.openqueue,
chatbuffer: this.chatbuffer
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};
var text = JSON.stringify(dump);
fs.writeFileSync("chandump/" + this.name, text);
this.logger.flush();
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}
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// Save channel dumps every 5 minutes, in case of crash
function incrementalDump(chan) {
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if(chan && chan.users && chan.users.length > 0) {
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chan.saveDump();
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setTimeout(function() { incrementalDump(chan); }, 300000);
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}
}
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Channel.prototype.tryRegister = function(user) {
if(this.registered) {
user.socket.emit("registerChannel", {
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success: false,
error: "This channel is already registered"
});
}
else if(!user.loggedIn) {
user.socket.emit("registerChannel", {
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success: false,
error: "You must log in to register a channel"
});
}
else if(!Rank.hasPermission(user, "registerChannel")) {
user.socket.emit("registerChannel", {
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success: false,
error: "You don't have permission to register this channel"
});
}
else {
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if(Database.registerChannel(this)) {
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this.registered = true;
this.saveRank(user);
user.socket.emit("registerChannel", {
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success: true,
});
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this.logger.log("*** " + user.name + " registered the channel");
Logger.syslog.log("Channel " + this.name + " was registered by " + user.name);
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}
else {
user.socket.emit("registerChannel", {
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success: false,
error: "Unable to register channel, see an admin"
});
}
}
}
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Channel.prototype.getRank = function(name) {
var global = Auth.getGlobalRank(name);
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if(!this.registered) {
return global;
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}
var local = Database.lookupChannelRank(this.name, name);
return local > global ? local : global;
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}
Channel.prototype.saveRank = function(user) {
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return Database.saveChannelRank(this.name, user);
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}
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Channel.prototype.cacheMedia = function(media) {
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if(media.temp) {
return;
}
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this.library[media.id] = media;
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if(this.registered) {
return Database.cacheMedia(this.name, media);
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}
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return false;
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}
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Channel.prototype.banIP = function(actor, receiver) {
if(!Rank.hasPermission(actor, "ipban"))
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return false;
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this.ipbans[receiver.ip] = [receiver.name, actor.name];
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try {
receiver.socket.disconnect(true);
}
catch(e) {
// Socket already disconnected
}
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this.broadcastBanlist();
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this.logger.log(receiver.ip + " (" + receiver.name + ") was banned by " + actor.name);
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if(!this.registered)
return false;
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// Update database ban table
return Database.addChannelBan(this.name, actor, receiver);
}
Channel.prototype.unbanIP = function(actor, ip) {
if(!Rank.hasPermission(actor, "ipban"))
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return false;
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this.ipbans[ip] = null;
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if(!this.registered)
return false;
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this.broadcastBanlist();
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// Update database ban table
return Database.removeChannelBan(this.name, ip);
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}
Channel.prototype.search = function(query, callback) {
// Search youtube
if(callback) {
if(query.trim() == "") {
return;
}
InfoGetter.getYTSearchResults(query, function(vids) {
callback(vids);
});
return;
}
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query = query.toLowerCase();
var results = [];
for(var id in this.library) {
if(this.library[id].title.toLowerCase().indexOf(query) != -1) {
results.push(this.library[id]);
}
}
results.sort(function(a, b) {
var x = a.title.toLowerCase();
var y = b.title.toLowerCase();
return (x == y) ? 0 : (x < y ? -1 : 1);
});
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return results;
}
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/* REGION User interaction */
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Channel.prototype.userJoin = function(user) {
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if(!(user.ip in this.logins)) {
this.logins[user.ip] = [];
}
var parts = user.ip.split(".");
var slash24 = parts[0] + "." + parts[1] + "." + parts[2];
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// GTFO
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if((user.ip in this.ipbans && this.ipbans[user.ip] != null) ||
(slash24 in this.ipbans && this.ipbans[slash24] != null)) {
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this.logger.log("--- Kicking " + user.ip + " - banned");
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this.kick(user, "You're banned!");
user.socket.disconnect(true);
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return;
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}
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// Join the socket pool for this channel
user.socket.join(this.name);
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// Prevent duplicate login
if(user.name != "") {
for(var i = 0; i < this.users.length; i++) {
if(this.users[i].name == user.name) {
user.name = "";
user.loggedIn = false;
user.socket.emit("login", {
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success: false,
error: "The username " + user.name + " is already in use on this channel"
});
}
}
}
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// If the channel is empty and isn't registered, the first person
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// gets ownership of the channel (temporarily)
if(this.users.length == 0 && !this.registered) {
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user.rank = (user.rank < Rank.Owner) ? Rank.Owner + 7 : user.rank;
user.socket.emit("channelNotRegistered");
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}
this.users.push(user);
this.broadcastVoteskipUpdate();
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if(user.name != "") {
this.broadcastNewUser(user);
}
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this.broadcastUsercount();
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// Set the new guy up
this.sendPlaylist(user);
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this.sendMediaUpdate(user);
user.socket.emit("queueLock", {locked: !this.openqueue});
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this.sendUserlist(user);
this.sendRecentChat(user);
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if(this.poll) {
user.socket.emit("newPoll", this.poll.packUpdate());
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}
user.socket.emit("channelOpts", this.opts);
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user.socket.emit("updateMotd", this.motd);
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user.socket.emit("drinkCount", {count: this.drinks});
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// Send things that require special permission
this.sendRankStuff(user);
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this.logger.log("+++ /" + user.ip + " joined");
Logger.syslog.log("/" + user.ip + " joined channel " + this.name);
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}
Channel.prototype.userLeave = function(user) {
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// Their socket might already be dead, so wrap in a try-catch
try {
user.socket.leave(this.name);
}
catch(e) {}
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// Undo vote for people who leave
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if(this.poll) {
this.poll.unvote(user.ip);
this.broadcastPollUpdate();
}
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if(this.voteskip) {
this.voteskip.unvote(user.ip);
}
// If they were leading, return control to the server
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if(this.leader == user) {
this.changeLeader("");
}
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// Remove the user from the client list for this channel
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var idx = this.users.indexOf(user);
if(idx >= 0 && idx < this.users.length)
this.users.splice(idx, 1);
this.broadcastVoteskipUpdate();
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this.broadcastUsercount();
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if(user.name != "") {
this.sendAll("userLeave", {
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name: user.name
});
}
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this.logger.log("--- /" + user.ip + " (" + user.name + ") left");
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if(this.users.length == 0) {
this.logger.log("*** Channel empty, unloading");
Server.unload(this);
}
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}
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Channel.prototype.kick = function(user, reason) {
user.socket.emit("kick", {
reason: reason
});
if(user.socket.disconnected) {
this.userLeave(user);
}
user.socket.disconnect(true);
}
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Channel.prototype.sendRankStuff = function(user) {
if(Rank.hasPermission(user, "ipban")) {
var ents = [];
for(var ip in this.ipbans) {
if(this.ipbans[ip] != null) {
ents.push({
ip: ip,
name: this.ipbans[ip][0],
banner: this.ipbans[ip][1]
});
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}
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}
user.socket.emit("banlist", {entries: ents});
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}
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if(Rank.hasPermission(user, "seenlogins")) {
var ents = [];
for(var ip in this.logins) {
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var disp = ip;
if(user.rank < Rank.Siteadmin) {
disp = "(Masked)";
}
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ents.push({
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ip: disp,
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name: this.logins[ip].join(",")
});
}
user.socket.emit("seenlogins", {entries: ents});
}
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if(Rank.hasPermission(user, "chatFilter")) {
var filts = new Array(this.filters.length);
for(var i = 0; i < this.filters.length; i++) {
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filts[i] = this.filters[i].pack();
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}
user.socket.emit("chatFilters", {filters: filts});
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}
this.sendACL(user);
}
Channel.prototype.sendACL = function(user) {
if(Rank.hasPermission(user, "acl")) {
user.socket.emit("acl", Database.getChannelRanks(this.name));
}
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}
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Channel.prototype.sendPlaylist = function(user) {
user.socket.emit("playlist", {
pl: this.queue
});
user.socket.emit("updatePlaylistIdx", {
idx: this.position
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});
user.socket.emit("updatePlaylistMeta", this.plmeta);
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}
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Channel.prototype.sendMediaUpdate = function(user) {
if(this.media != null) {
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user.socket.emit("changeMedia", this.media.fullupdate());
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}
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}
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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
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});
}
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}
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user.socket.emit("userlist", users);
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}
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// 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]);
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}
}
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/* REGION Broadcasts to all clients */
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Channel.prototype.sendAll = function(message, data) {
io.sockets.in(this.name).emit(message, data);
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}
Channel.prototype.broadcastPlaylistMeta = function() {
var total = 0;
for(var i = 0; i < this.queue.length; i++) {
total += this.queue[i].seconds;
}
var timestr = formatTime(total);
var packet = {
count: this.queue.length,
time: timestr
};
this.plmeta = packet;
this.sendAll("updatePlaylistMeta", packet);
}
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Channel.prototype.broadcastUsercount = function() {
this.sendAll("usercount", {
count: this.users.length
});
}
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Channel.prototype.broadcastNewUser = function(user) {
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if(this.logins[user.ip].join("").indexOf(user.name) == -1) {
this.logins[user.ip].push(user.name);
}
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this.sendAll("addUser", {
name: user.name,
rank: user.rank,
leader: this.leader == user,
meta: user.meta
});
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this.sendRankStuff(user);
if(user.rank > Rank.Guest) {
this.saveRank(user);
}
}
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Channel.prototype.broadcastRankUpdate = function(user) {
this.sendAll("updateUser", {
name: user.name,
rank: user.rank,
leader: this.leader == user,
meta: user.meta
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});
this.sendRankStuff(user);
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}
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Channel.prototype.broadcastPoll = function() {
this.sendAll("newPoll", this.poll.packUpdate());
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}
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Channel.prototype.broadcastPollUpdate = function() {
this.sendAll("updatePoll", this.poll.packUpdate());
}
2013-02-16 05:02:42 +00:00
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Channel.prototype.broadcastPollClose = function() {
this.sendAll("closePoll");
}
2013-02-16 05:02:42 +00:00
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Channel.prototype.broadcastOpts = function() {
this.sendAll("channelOpts", this.opts);
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}
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Channel.prototype.broadcastBanlist = function() {
var ents = [];
for(var ip in this.ipbans) {
if(this.ipbans[ip] != null) {
ents.push({
ip: ip,
name: this.ipbans[ip][0],
banner: this.ipbans[ip][1]
});
}
}
for(var i = 0; i < this.users.length; i++) {
if(Rank.hasPermission(this.users[i], "ipban")) {
this.users[i].socket.emit("banlist", {entries: ents});
}
}
}
Channel.prototype.broadcastRankTable = function() {
var ranks = Database.getChannelRanks(this.name);
for(var i = 0; i < this.users.length; i++) {
this.sendACL(this.users[i]);
}
}
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Channel.prototype.broadcastChatFilters = function() {
var filts = new Array(this.filters.length);
for(var i = 0; i < this.filters.length; i++) {
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filts[i] = this.filters[i].pack();
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}
for(var i = 0; i < this.users.length; i++) {
if(Rank.hasPermission(this.users[i], "chatFilter")) {
this.users[i].socket.emit("chatFilters", {filters: filts});
}
}
}
Channel.prototype.broadcastVoteskipUpdate = function() {
var amt = this.voteskip ? this.voteskip.counts[0] : 0;
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var need = this.voteskip ? parseInt(this.users.length * 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
});
}
}
}
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Channel.prototype.broadcastMotd = function() {
this.sendAll("updateMotd", this.motd);
}
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Channel.prototype.broadcastDrinks = function() {
this.sendAll("drinkCount", {count: this.drinks});
}
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/* REGION Playlist Stuff */
// The server autolead function
function mediaUpdate(chan, id) {
// Bail cases - video changed, someone's leader, no video playing
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if(chan.media == null ||
id != chan.media.id ||
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chan.leader != null ||
chan.users.length == 0) {
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return;
}
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chan.media.currentTime += (new Date().getTime() - chan.time) / 1000.0;
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chan.time = new Date().getTime();
// Show's over, move on to the next thing
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if(chan.media.currentTime > chan.media.seconds + 1) {
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chan.playNext();
}
// Send updates about every 5 seconds
else if(chan.i % 5 == 0) {
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chan.sendAll("mediaUpdate", chan.media.timeupdate());
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}
chan.i++;
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setTimeout(function() { mediaUpdate(chan, id); }, 1000);
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}
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function isLive(type) {
return type == "li"
|| type == "tw"
|| type == "rt"
|| type == "jw";
}
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Channel.prototype.queueAdd = function(media, idx) {
this.queue.splice(idx, 0, media);
this.sendAll("queue", {
media: media.pack(),
pos: idx
});
this.broadcastPlaylistMeta();
if(this.queue.length == 1) {
this.playNext();
}
}
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Channel.prototype.autoTemp = function(media, user) {
if(isLive(media.type)) {
media.temp = true;
}
if(user.rank < Rank.Moderator && this.opts.qopen_temp) {
media.temp = true;
}
}
Channel.prototype.enqueue = function(data, user) {
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var idx = data.pos == "next" ? this.position + 1 : this.queue.length;
// Prefer cache over looking up new data
if(data.id in this.library) {
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var media = this.library[data.id].dup();
media.queueby = user ? user.name : "";
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this.autoTemp(media, user);
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this.queueAdd(media, idx);
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this.logger.log("*** Queued from cache: id=" + data.id);
}
else {
switch(data.type) {
case "yt":
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case "yp":
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case "vi":
case "dm":
case "sc":
InfoGetter.getMedia(data.id, data.type, function(media) {
media.queueby = user ? user.name : "";
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this.autoTemp(media, user);
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this.queueAdd(media, idx);
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this.cacheMedia(media);
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if(data.type == "yp")
idx++;
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}.bind(this));
break;
case "li":
var media = new Media(data.id, "Livestream - " + data.id, "--:--", "li");
media.queueby = user ? user.name : "";
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this.autoTemp(media, user);
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this.queueAdd(media, idx);
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break;
case "tw":
var media = new Media(data.id, "Twitch - " + data.id, "--:--", "tw");
media.queueby = user ? user.name : "";
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this.autoTemp(media, user);
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this.queueAdd(media, idx);
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break;
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case "rt":
var media = new Media(data.id, "Livestream", "--:--", "rt");
media.queueby = user ? user.name : "";
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this.autoTemp(media, user);
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this.queueAdd(media, idx);
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break;
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case "jw":
var media = new Media(data.id, "JWPlayer Stream - " + data.id, "--:--", "jw");
media.queueby = user ? user.name : "";
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this.autoTemp(media, user);
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this.queueAdd(media, idx);
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break;
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default:
break;
}
}
}
Channel.prototype.tryQueue = function(user, data) {
if(!Rank.hasPermission(user, "queue") &&
this.leader != user &&
!this.openqueue) {
return;
}
if(data.pos == undefined || data.id == undefined) {
return;
}
if(data.type == undefined && !(data.id in this.library)) {
return;
}
if(data.pos == "next" && !Rank.hasPermission(user, "queue") &&
this.leader != user &&
!this.opts.qopen_allow_qnext) {
return;
}
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if(user.rank < Rank.Moderator
&& this.leader != user
&& user.noflood("queue", 1.5)) {
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return;
}
this.enqueue(data, user);
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}
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Channel.prototype.setTemp = function(idx, temp) {
var med = this.queue[idx];
med.temp = temp;
this.sendAll("setTemp", {
idx: idx,
temp: temp
});
if(!temp) {
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this.cacheMedia(med);
}
}
Channel.prototype.trySetTemp = function(user, data) {
if(!Rank.hasPermission(user, "settemp")) {
return;
}
if(typeof data.idx != "number" || typeof data.temp != "boolean") {
return;
}
if(data.idx < 0 || data.idx >= this.queue.length) {
return;
}
this.setTemp(data.idx, data.temp);
}
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Channel.prototype.dequeue = function(data) {
if(data.pos < 0 || data.pos >= this.queue.length) {
return;
}
this.queue.splice(data.pos, 1);
this.sendAll("unqueue", {
pos: data.pos
});
this.broadcastPlaylistMeta();
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// If you remove the currently playing video, play the next one
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if(data.pos == this.position && !data.removeonly) {
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this.position--;
this.playNext();
return;
}
// If you remove a video whose position is before the one currently
// playing, you have to reduce the position of the one playing
if(data.pos < this.position) {
this.position--;
}
}
Channel.prototype.tryDequeue = function(user, data) {
if(!Rank.hasPermission(user, "queue") &&
this.leader != user &&
(!this.openqueue ||
this.openqueue && !this.opts.qopen_allow_delete)) {
return;
}
if(data.pos == undefined) {
return;
}
this.dequeue(data);
}
Channel.prototype.tryUncache = function(user, data) {
if(!Rank.hasPermission(user, "uncache")) {
return;
}
if(typeof data.id != "string") {
return;
}
if(Database.uncacheMedia(this.name, data.id)) {
delete this.library[data.id];
}
}
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Channel.prototype.playNext = function() {
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var pos = this.position + 1 >= this.queue.length ? 0 : this.position + 1;
this.jumpTo(pos);
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}
Channel.prototype.tryPlayNext = function(user) {
if(!Rank.hasPermission(user, "queue") &&
this.leader != user &&
(!this.openqueue ||
this.openqueue && !this.opts.qopen_allow_playnext)) {
return;
}
this.playNext();
}
Channel.prototype.jumpTo = function(pos) {
if(pos >= this.queue.length || pos < 0) {
return;
}
// Reset voteskip
this.voteskip = false;
this.broadcastVoteskipUpdate();
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this.drinks = 0;
this.broadcastDrinks();
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var old = this.position;
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if(this.media && this.media.temp && old != pos) {
this.dequeue({pos: old, removeonly: true});
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if(pos > old && pos > 0) {
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pos--;
}
}
if(pos >= this.queue.length || pos < 0) {
return;
}
if(this.media) {
delete this.media["currentTime"];
}
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this.position = pos;
var oid = this.media ? this.media.id : "";
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this.media = this.queue[this.position];
this.media.currentTime = -1;
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2013-05-04 22:54:28 +00:00
this.sendAll("changeMedia", this.media.fullupdate());
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this.sendAll("updatePlaylistIdx", {
old: old,
idx: this.position
});
// If it's not a livestream, enable autolead
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if(this.leader == null && !isLive(this.media.type)) {
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this.time = new Date().getTime();
if(this.media.id != oid) {
mediaUpdate(this, this.media.id);
}
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}
}
Channel.prototype.tryJumpTo = function(user, data) {
if(!Rank.hasPermission(user, "queue") &&
this.leader != user &&
(!this.openqueue ||
this.openqueue && !this.opts.qopen_allow_playnext)) {
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return;
}
if(data.pos == undefined) {
return;
}
this.jumpTo(data.pos);
}
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Channel.prototype.clearqueue = function() {
this.queue = [];
for(var i = 0; i < this.users.length; i++) {
this.sendPlaylist(this.users[i]);
}
this.broadcastPlaylistMeta();
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}
Channel.prototype.tryClearqueue = function(user) {
if(!Rank.hasPermission(user, "queue")) {
return;
}
this.clearqueue();
}
Channel.prototype.shufflequeue = function() {
var n = [];
var current = false;
while(this.queue.length > 0) {
var i = parseInt(Math.random() * this.queue.length);
n.push(this.queue[i]);
if(!current && i == this.position) {
this.position = n.length - 1;
current = true;
}
this.queue.splice(i, 1);
}
this.queue = n;
for(var i = 0; i < this.users.length; i++) {
this.sendPlaylist(this.users[i]);
}
}
Channel.prototype.tryShufflequeue = function(user) {
if(!Rank.hasPermission(user, "queue")) {
return;
}
this.shufflequeue();
}
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Channel.prototype.tryUpdate = function(user, data) {
if(this.leader != user) {
return;
}
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if(data == null ||
data.id == undefined || data.currentTime == undefined) {
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return;
}
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if(this.media == null) {
return;
}
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if(isLive(this.media.type)) {
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return;
}
if(this.media.id != data.id) {
return;
}
this.media.currentTime = data.currentTime;
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this.sendAll("mediaUpdate", this.media.timeupdate());
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}
Channel.prototype.move = function(data) {
if(data.src < 0 || data.src >= this.queue.length) {
return;
}
if(data.dest < 0 || data.dest > this.queue.length) {
return;
}
var media = this.queue[data.src];
var dest = data.dest > data.src ? data.dest + 1 : data.dest;
var src = data.dest > data.src ? data.src : data.src + 1;
this.queue.splice(dest, 0, media);
this.queue.splice(src, 1);
this.sendAll("moveVideo", {
src: data.src,
dest: data.dest
});
// Account for moving things around the active video
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if(data.src < this.position && data.dest >= this.position) {
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this.position--;
}
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else if(data.src > this.position && data.dest < this.position) {
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this.position++
}
else if(data.src == this.position) {
this.position = data.dest;
}
}
Channel.prototype.tryMove = function(user, data) {
if(!Rank.hasPermission(user, "queue") &&
this.leader != user &&
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(!this.openqueue ||
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this.openqueue && !this.opts.qopen_allow_move)) {
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return;
}
if(data.src == undefined || data.dest == undefined) {
return;
}
this.move(data);
}
/* REGION Polls */
Channel.prototype.tryOpenPoll = function(user, data) {
if(!Rank.hasPermission(user, "poll") && this.leader != user) {
return;
}
if(!data.title || !data.opts) {
return;
}
var poll = new Poll(user.name, data.title, data.opts);
this.poll = poll;
this.broadcastPoll();
this.logger.log("*** " + user.name + " Opened Poll: '" + poll.title + "'");
}
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Channel.prototype.tryClosePoll = function(user) {
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if(!Rank.hasPermission(user, "poll") && this.leader != user) {
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return;
}
if(this.poll) {
this.poll = false;
this.broadcastPollClose();
}
}
Channel.prototype.tryVote = function(user, data) {
if(data.option == undefined) {
return;
}
if(this.poll) {
this.poll.vote(user.ip, data.option);
this.broadcastPollUpdate();
}
}
Channel.prototype.tryVoteskip = function(user) {
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if(!this.opts.allow_voteskip) {
return;
}
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if(!this.voteskip) {
this.voteskip = new Poll("voteskip", "voteskip", ["yes"]);
}
this.voteskip.vote(user.ip, 0);
this.broadcastVoteskipUpdate();
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if(this.voteskip.counts[0] >= parseInt(this.users.length * this.opts.voteskip_ratio)) {
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this.playNext();
}
}
/* REGION Channel Option stuff */
Channel.prototype.setLock = function(locked) {
this.openqueue = !locked;
this.sendAll("queueLock", {locked: locked});
}
Channel.prototype.trySetLock = function(user, data) {
if(!Rank.hasPermission(user, "qlock")) {
return;
}
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if(data.locked == undefined) {
return;
}
this.setLock(data.locked);
}
Channel.prototype.updateFilter = function(filter) {
var found = false;
for(var i = 0; i < this.filters.length; i++) {
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if(this.filters[i].name == filter.name
&& this.filters[i].source == filter.source) {
found = true;
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this.filters[i] = filter;
}
}
if(!found) {
this.filters.push(filter);
}
this.broadcastChatFilters();
}
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Channel.prototype.removeFilter = function(name, source) {
for(var i = 0; i < this.filters.length; i++) {
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if(this.filters[i].name == name
&& this.filters[i].source == source) {
this.filters.splice(i, 1);
break;
}
}
this.broadcastChatFilters();
}
2013-04-03 17:47:41 +00:00
Channel.prototype.tryChangeFilter = function(user, data) {
if(!Rank.hasPermission(user, "chatFilter")) {
return;
}
if(data.cmd == undefined || data.filter == undefined) {
return;
}
if(data.cmd == "update") {
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var re = data.filter.source;
var flags = data.filter.flags;
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try {
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new RegExp(re, flags);
2013-04-03 17:47:41 +00:00
}
catch(e) {
return;
}
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var f = new Filter(data.filter.name,
data.filter.source,
data.filter.flags,
data.filter.replace);
f.active = data.filter.active;
this.updateFilter(f);
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}
else if(data.cmd == "remove") {
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this.removeFilter(data.filter.name, data.filter.source);
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}
}
Channel.prototype.tryUpdateOptions = function(user, data) {
if(!Rank.hasPermission(user, "channelOpts")) {
return;
}
const adminonly = {
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pagetitle: true,
customcss: true,
customjs: true,
show_public: true
};
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for(var key in this.opts) {
if(key in data) {
if(key in adminonly && user.rank < Rank.Owner) {
continue;
}
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this.opts[key] = data[key];
}
}
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this.broadcastOpts();
}
Channel.prototype.updateMotd = function(motd) {
var html = motd.replace(/\n/g, "<br>");
html = this.filterMessage(html);
this.motd = {
motd: motd,
html: html
};
this.broadcastMotd();
}
Channel.prototype.tryUpdateMotd = function(user, data) {
if(!Rank.hasPermission(user, "updateMotd")) {
return;
}
2013-04-28 22:10:00 +00:00
data.motd = data.motd || "";
this.updateMotd(data.motd);
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}
/* REGION Chat */
Channel.prototype.tryChat = function(user, data) {
if(user.name == "") {
return;
}
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if(data.msg == undefined) {
return;
}
var msg = data.msg;
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if(msg.length > 240) {
msg = msg.substring(0, 240);
}
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if(this.opts.chat_antiflood && user.noflood("chat", 2.0)) {
return;
}
2013-04-03 17:47:41 +00:00
2013-04-28 18:04:15 +00:00
this.chainMessage(user, msg);
}
Channel.prototype.chainMessage = function(user, msg, data) {
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if(msg.indexOf("/") == 0)
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ChatCommand.handle(this, user, msg, data);
2013-03-05 18:51:58 +00:00
2013-02-16 05:02:42 +00:00
else if(msg.indexOf(">") == 0)
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this.sendMessage(user.name, msg, "greentext", data);
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else
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this.sendMessage(user.name, msg, "", data);
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}
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Channel.prototype.filterMessage = function(msg) {
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msg = msg.replace(/(((https?)|(ftp))(:\/\/[0-9a-zA-Z\.]+(:[0-9]+)?[^\s$]+))/g, "<a href=\"$1\" target=\"_blank\">$1</a>");
// Apply other filters
for(var i = 0; i < this.filters.length; i++) {
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if(!this.filters[i].active)
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continue;
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msg = this.filters[i].filter(msg);
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}
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return msg;
}
Channel.prototype.sendMessage = function(username, msg, msgclass, data) {
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// I don't want HTML from strangers
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msg = msg.replace(/</g, "&lt;").replace(/>/g, "&gt;");
msg = this.filterMessage(msg);
var msgobj = {
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username: username,
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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);
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if(this.chatbuffer.length > 15)
this.chatbuffer.shift();
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this.logger.log("<" + username + "." + msgclass + "> " + msg);
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};
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/* REGION Rank stuff */
Channel.prototype.tryPromoteUser = function(actor, data) {
if(!Rank.hasPermission(actor, "promote")) {
return;
}
if(data.name == undefined) {
return;
}
var name = data.name;
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var receiver;
for(var i = 0; i < this.users.length; i++) {
if(this.users[i].name == name) {
receiver = this.users[i];
break;
}
}
var rank = receiver ? receiver.rank : this.getRank(data.name);
if(actor.rank > rank + 1) {
rank++;
if(receiver) {
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receiver.rank++;
if(receiver.loggedIn) {
this.saveRank(receiver);
}
this.broadcastRankUpdate(receiver);
}
else {
Database.saveChannelRank(this.name, {
name: data.name,
rank: rank
});
}
this.logger.log("*** " + actor.name + " promoted " + data.name + " from " + (rank - 1) + " to " + rank);
this.broadcastRankTable();
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}
}
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Channel.prototype.tryDemoteUser = function(actor, data) {
if(!Rank.hasPermission(actor, "promote")) {
return;
}
if(data.name == undefined) {
return;
}
var name = data.name;
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var receiver;
for(var i = 0; i < this.users.length; i++) {
if(this.users[i].name == name) {
receiver = this.users[i];
break;
}
}
var rank = receiver ? receiver.rank : this.getRank(data.name);
if(actor.rank > rank) {
rank--;
if(receiver) {
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receiver.rank--;
if(receiver.loggedIn) {
this.saveRank(receiver);
}
this.broadcastRankUpdate(receiver);
}
else {
Database.saveChannelRank(this.name, {
name: data.name,
rank: rank
});
}
this.logger.log("*** " + actor.name + " demoted " + data.name + " from " + (rank + 1) + " to " + rank);
this.broadcastRankTable();
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}
}
Channel.prototype.changeLeader = function(name) {
if(this.leader != null) {
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var old = this.leader;
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this.leader = null;
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this.broadcastRankUpdate(old);
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}
if(name == "") {
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this.logger.log("*** Resuming autolead");
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if(this.media != null && !isLive(this.media.type)) {
this.time = new Date().getTime();
this.i = 0;
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mediaUpdate(this, this.media.id);
}
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return;
}
for(var i = 0; i < this.users.length; i++) {
if(this.users[i].name == name) {
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this.logger.log("*** Assigned leader: " + name);
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this.leader = this.users[i];
this.broadcastRankUpdate(this.leader);
}
}
}
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Channel.prototype.tryChangeLeader = function(user, data) {
if(!Rank.hasPermission(user, "assignLeader")) {
return;
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}
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if(data.name == undefined) {
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return;
}
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this.changeLeader(data.name);
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}
exports.Channel = Channel;