Continue work on channel.js
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calzoneman
parent
9611f86d55
commit
01aab965ad
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@ -341,6 +341,56 @@ Channel.prototype.getRank = function (name, callback) {
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});
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};
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/**
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* Looks up the highest rank of any alias of an IP address
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*/
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Channel.prototype.getIPRank = function (ip, callback) {
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var self = this;
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db.getAliases(ip, function (err, names) {
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if (self.dead) {
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return;
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}
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db.users.getGlobalRanks(names, function (err, res) {
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if (self.dead) {
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return;
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}
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if (err) {
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callback(err, null);
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return;
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}
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var rank = res.reduce(function (a, b) {
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return Math.max(a, b);
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}, 0);
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if (!self.registered) {
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callback(null, rank);
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return;
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}
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db.channels.getRanks(self.name, names,
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function (err, res) {
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if (self.dead) {
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return;
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}
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if (err) {
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callback(err, null);
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return;
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}
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var rank = res.reduce(function (a, b) {
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return Math.max(a, b);
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}, rank);
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callback(null, rank);
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});
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});
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});
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};
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/**
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* Called when a user joins a channel
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*/
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@ -479,12 +529,383 @@ Channel.prototype.sendMOTD = function (users) {
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});
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};
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/**
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* Sends a message to channel moderators
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*/
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Channel.prototype.sendModMessage = function (msg, minrank) {
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if (isNaN(minrank)) {
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minrank = 2;
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}
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var notice = {
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username: "[server]",
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msg: msg
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meta: {
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addClass: "server-whisper" ,
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addClassToNameAndTimestamp: true
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},
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time: Date.now()
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};
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self.users.forEach(function(u) {
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if (u.rank > minrank) {
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u.socket.emit("chatMsg", notice);
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}
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});
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};
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/**
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* Stores a video in the channel's library
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*/
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Channel.prototype.cacheMedia = function (media) {
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// Don't cache Google Drive videos because of their time limit
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if (media.type === "gd") {
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return false;
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}
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if (self.registered) {
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db.channels.addToLibrary(self.name, media);
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}
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};
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/**
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* Attempts to ban a user by name
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*/
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Channel.prototype.tryNameBan = function (actor, name, reason) {
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var self = this;
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if (!self.hasPermission(actor, "ban")) {
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return false;
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}
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name = name.toLowerCase();
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if (name == actor.name.toLowerCase()) {
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actor.socket.emit("costanza", {
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msg: "Trying to ban yourself?"
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});
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return;
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}
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// Look up the name's rank so people can't ban others with higher rank than themselves
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self.getRank(name, function (err, rank) {
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if (self.dead) {
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return;
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}
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if (err) {
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actor.socket.emit("errorMsg", {
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msg: "Internal error " + err
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});
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return;
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}
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if (rank >= actor.rank) {
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actor.socket.emit("errorMsg", {
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msg: "You don't have permission to ban " + name
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});
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return;
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}
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if (typeof reason !== "string") {
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reason = "";
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}
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reason = reason.substring(0, 255);
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self.namebans[name] = {
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ip: "*",
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name: name,
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bannedby: actor.name,
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reason: reason
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};
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// If in the channel already, kick the banned user
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for (var i = 0; i < self.users.length; i++) {
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if (self.users[i].name.toLowerCase() == name) {
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self.kick(self.users[i], "You're banned!");
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break;
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}
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}
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self.logger.log("*** " + actor.name + " namebanned " + name);
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self.sendModMessage(actor.name + " banned " + name, self.permissions.ban);
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if (!self.registered) {
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return;
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}
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// channel, ip, name, reason, actor
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db.channels.ban(self.name, "*", name, reason, actor.name);
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// TODO send banlist?
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});
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};
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/**
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* Removes a name ban
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*/
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Channel.prototype.tryUnbanName = function (actor, name) {
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var self = this;
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if (!self.hasPermission(actor, "ban")) {
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return;
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}
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delete self.namebans[name];
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self.logger.log("*** " + actor.name + " un-namebanned " + name);
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self.sendModMessage(actor.name + " unbanned " + name, self.permissions.ban);
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if (!self.registered) {
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return;
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}
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db.channels.unbanName(self.name, name);
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// TODO send banlist?
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};
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/**
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* Bans all IP addresses associated with a username
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*/
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Channel.prototype.tryBanAllIP = function (actor, name, reason, range) {
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var self = this;
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if (!self.hasPermission(actor, "ban")) {
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return;
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}
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if (typeof name !== "string") {
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return;
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}
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name = name.toLowerCase();
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if (name === actor.name.toLowerCase()) {
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actor.socket.emit("costanza", {
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msg: "Trying to ban yourself?"
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});
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return;
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}
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db.getIPs(name, function (err, ips) {
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if (self.dead) {
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return;
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}
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if (err) {
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actor.socket.emit("errorMsg", {
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msg: "Internal error: " + err
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});
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return;
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}
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ips.forEach(function (ip) {
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self.tryBanIP(actor, ip, name, range);
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});
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});
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};
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/**
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* Bans an individual IP
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*/
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Channel.prototype.tryBanIP = function (actor, ip, name, reason, range) {
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if (range) {
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ip = ip.replace(/(\d+)\.(\d+)\.(\d+)\.(\d+)/, "$1.$2.$3");
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}
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if (typeof reason !== "string") {
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reason = "";
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}
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reason = reason.substring(0, 255);
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self.getIPRank(ip, function (err, rank) {
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if (self.dead) {
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return;
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}
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if (err) {
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actor.socket.emit("errorMsg", {
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msg: "Internal error: " + err
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});
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return;
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}
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if (rank >= actor.rank) {
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actor.socket.emit("errorMsg", {
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msg: "You don't have permission to ban IP: " + util.maskIP(ip)
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});
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return;
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}
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self.ipbans[ip] = {
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ip: ip,
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name: name,
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bannedby: actor.name,
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reason: reason
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};
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self.logger.log("*** " + actor.name + " banned " + ip + " (" + name + ")");
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self.sendModMessage(actor.name + " banned " + ip + " (" + name + ")", self.permissions.ban);
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// If in the channel already, kick the banned user
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for (var i = 0; i < self.users.length; i++) {
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if (self.users[i].ip === ip) {
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self.kick(self.users[i], "You're banned!");
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break;
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}
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}
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if (!self.registered) {
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return;
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}
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// channel, ip, name, reason, ban actor
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db.channels.ban(self.name, ip, name, reason, actor.name);
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});
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};
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/**
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* Removes an IP ban
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*/
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Channel.prototype.unbanIP = function (actor, ip) {
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var self = this;
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if (!self.hasPermission(actor, "ban")) {
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return;
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}
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var record = self.ipbans[ip];
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delete self.ipbans[ip];
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self.logger.log("*** " + actor.name + " unbanned " + ip + " (" + record.name + ")");
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self.sendModMessage(actor.name + " unbanned " + util.maskIP(ip) + " (" + record.name + ")", self.permissions.ban);
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if (!self.registered) {
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return;
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}
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db.channels.unbanIP(self.name, ip);
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};
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/**
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* Sends the banlist
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*/
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Channel.prototype.sendBanlist = function (users) {
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var self = this;
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var bans = [];
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var unmaskedbans = [];
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for (var ip in self.ipbans) {
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bans.push({
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ip: util.maskIP(ip),
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name: self.ipbans[ip].name,
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reason: self.ipbans[ip].reason,
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bannedby: self.ipbans[ip].bannedby
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});
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unmaskedbans.push({
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ip: ip,
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name: self.ipbans[ip].name,
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reason: self.ipbans[ip].reason,
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bannedby: self.ipbans[ip].bannedby
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});
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}
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users.forEach(function (u) {
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if (!self.hasPermission(u, "ban")) {
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return;
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}
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if (u.rank >= 255) {
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u.socket.emit("banlist", unmaskedbans);
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} else {
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u.socket.emit("banlist", bans);
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}
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});
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};
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/**
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* Sends the chat filter list
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*/
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Channel.prototype.sendChatFilters = function (users) {
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var self = this;
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var pkt = self.filters.map(function (f) {
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return f.pack();
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});
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users.forEach(function (u) {
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if (!self.hasPermission(u, "filteredit")) {
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return;
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}
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u.socket.emit("chatFilters", f);
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});
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};
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/**
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* Sends the playlist
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*/
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Channel.prototype.sendPlaylist = function (users) {
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var self = this;
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var pl = self.playlist.items.toArray();
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var current = null;
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if (self.playlist.current) {
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current = self.playlist.current.uid;
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}
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users.forEach(function (u) {
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u.socket.emit("playlist", pl);
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u.socket.emit("setPlaylistMeta", self.plmeta);
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if (current !== null) {
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u.socket.emit("setCurrent", current);
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}
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});
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};
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/**
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* Searches channel library
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*/
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Channel.prototype.search = function (query, callback) {
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var self = this;
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if (!self.registered) {
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callback([]);
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return;
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}
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if (typeof query !== "string") {
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query = "";
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}
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query = query.substring(0, 100);
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db.channels.searchLibrary(self.name, query, function (err, res) {
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if (err) {
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res = [];
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}
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res.sort(function(a, b) {
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var x = a.title.toLowerCase();
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var y = b.title.toLowerCase();
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return (x == y) ? 0 : (x < y ? -1 : 1);
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});
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res.forEach(function (r) {
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r.duration = util.formatTime(r.seconds);
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});
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callback(res);
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});
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};
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/**
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* Sends the result of readLog() to a user if the user has sufficient permission
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*/
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Channel.prototype.tryReadLog = function (user) {
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if (user.rank < 3) {
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user.kick("Attempted readChanLog with insufficient permission");
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return;
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}
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if (!self.registered) {
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user.socket.emit("readChanLog", {
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success: false,
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data: "Channel log is only available to registered channels."
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});
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return;
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}
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var filterIp = user.global_rank < 255;
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this.readLog(filterIp, function (err, data) {
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if (err) {
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@ -501,6 +922,9 @@ Channel.prototype.tryReadLog = function (user) {
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});
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};
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/**
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* Reads the last 100KiB of the channel's log file, masking IP addresses if desired
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*/
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Channel.prototype.readLog = function (filterIp, callback) {
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var maxLen = 102400; // Limit to last 100KiB
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var file = this.logger.filename;
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