sync/lib/channel/kickban.js

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var ChannelModule = require("./module");
var db = require("../database");
var Flags = require("../flags");
var util = require("../utilities");
var Account = require("../account");
var Q = require("q");
const TYPE_UNBAN = {
id: "number",
name: "string"
};
function KickBanModule(channel) {
ChannelModule.apply(this, arguments);
if (this.channel.modules.chat) {
this.channel.modules.chat.registerCommand("/kick", this.handleCmdKick.bind(this));
this.channel.modules.chat.registerCommand("/kickanons", this.handleCmdKickAnons.bind(this));
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this.channel.modules.chat.registerCommand("/ban", this.handleCmdBan.bind(this));
this.channel.modules.chat.registerCommand("/ipban", this.handleCmdIPBan.bind(this));
this.channel.modules.chat.registerCommand("/banip", this.handleCmdIPBan.bind(this));
}
}
KickBanModule.prototype = Object.create(ChannelModule.prototype);
KickBanModule.prototype.onUserPreJoin = function (user, data, cb) {
if (!this.channel.is(Flags.C_REGISTERED)) {
return cb(null, ChannelModule.PASSTHROUGH);
}
var cname = this.channel.name;
db.channels.isIPBanned(cname, user.longip, function (err, banned) {
if (err) {
cb(null, ChannelModule.PASSTHROUGH);
} else if (!banned) {
if (user.is(Flags.U_LOGGED_IN)) {
checkNameBan();
} else {
cb(null, ChannelModule.PASSTHROUGH);
}
} else {
cb(null, ChannelModule.DENY);
user.kick("Your IP address is banned from this channel.");
}
});
function checkNameBan() {
db.channels.isNameBanned(cname, user.getName(), function (err, banned) {
if (err) {
cb(null, ChannelModule.PASSTHROUGH);
} else {
cb(null, banned ? ChannelModule.DENY : ChannelModule.PASSTHROUGH);
}
});
}
};
KickBanModule.prototype.onUserPostJoin = function (user) {
if (!this.channel.is(Flags.C_REGISTERED)) {
return;
}
var chan = this.channel;
user.waitFlag(Flags.U_LOGGED_IN, function () {
chan.activeLock.lock();
db.channels.isNameBanned(chan.name, user.getName(), function (err, banned) {
if (!err && banned) {
user.kick("You are banned from this channel.");
if (chan.modules.chat) {
chan.modules.chat.sendModMessage(user.getName() + " was kicked (" +
"name is banned)");
}
}
chan.activeLock.release();
});
});
var self = this;
user.socket.on("requestBanlist", function () { self.sendBanlist([user]); });
user.socket.typecheckedOn("unban", TYPE_UNBAN, this.handleUnban.bind(this, user));
};
KickBanModule.prototype.sendBanlist = function (users) {
if (!this.channel.is(Flags.C_REGISTERED)) {
return;
}
var perms = this.channel.modules.permissions;
var bans = [];
var unmaskedbans = [];
db.channels.listBans(this.channel.name, function (err, banlist) {
if (err) {
return;
}
for (var i = 0; i < banlist.length; i++) {
bans.push({
id: banlist[i].id,
ip: banlist[i].ip === "*" ? "*" : util.maskIP(banlist[i].ip),
name: banlist[i].name,
reason: banlist[i].reason,
bannedby: banlist[i].bannedby
});
unmaskedbans.push({
id: banlist[i].id,
ip: banlist[i].ip,
name: banlist[i].name,
reason: banlist[i].reason,
bannedby: banlist[i].bannedby
});
}
users.forEach(function (u) {
if (!perms.canBan(u)) {
return;
}
if (u.account.effectiveRank >= 255) {
u.socket.emit("banlist", unmaskedbans);
} else {
u.socket.emit("banlist", bans);
}
});
});
};
KickBanModule.prototype.sendUnban = function (users, data) {
var perms = this.channel.modules.permissions;
users.forEach(function (u) {
if (perms.canBan(u)) {
u.socket.emit("banlistRemove", data);
}
});
};
KickBanModule.prototype.handleCmdKick = function (user, msg, meta) {
if (!this.channel.modules.permissions.canKick(user)) {
return;
}
var args = msg.split(" ");
args.shift(); /* shift off /kick */
if (args.length === 0) {
return user.socket.emit("errorMsg", {
msg: "No kick target specified. If you're trying to kick " +
"anonymous users, use /kickanons"
});
}
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var name = args.shift().toLowerCase();
var reason = args.join(" ");
var target = null;
for (var i = 0; i < this.channel.users.length; i++) {
if (this.channel.users[i].getLowerName() === name) {
target = this.channel.users[i];
break;
}
}
if (target === null) {
return;
}
if (target.account.effectiveRank >= user.account.effectiveRank) {
return user.socket.emit("errorMsg", {
msg: "You do not have permission to kick " + target.getName()
});
}
target.kick(reason);
this.channel.logger.log("[mod] " + user.getName() + " kicked " + target.getName() +
" (" + reason + ")");
if (this.channel.modules.chat) {
this.channel.modules.chat.sendModMessage(user.getName() + " kicked " +
target.getName());
}
};
KickBanModule.prototype.handleCmdKickAnons = function (user, msg, meta) {
if (!this.channel.modules.permissions.canKick(user)) {
return;
}
var users = Array.prototype.slice.call(this.channel.users);
users.forEach(function (u) {
if (!u.is(Flags.U_LOGGED_IN)) {
u.kick("anonymous user");
}
});
this.channel.logger.log("[mod] " + user.getName() + " kicked anonymous users.");
if (this.channel.modules.chat) {
this.channel.modules.chat.sendModMessage(user.getName() + " kicked anonymous " +
"users");
}
};
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/* /ban - name bans */
KickBanModule.prototype.handleCmdBan = function (user, msg, meta) {
var args = msg.split(" ");
args.shift(); /* shift off /ban */
if (args.length === 0) {
return user.socket.emit("errorMsg", {
msg: "No ban target specified."
});
}
var name = args.shift().toLowerCase();
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var reason = args.join(" ");
var chan = this.channel;
chan.activeLock.lock();
this.banName(user, name, reason, function (err) {
chan.activeLock.release();
});
};
/* /ipban - bans name and IP addresses associated with it */
KickBanModule.prototype.handleCmdIPBan = function (user, msg, meta) {
var args = msg.split(" ");
args.shift(); /* shift off /ipban */
if (args.length === 0) {
return user.socket.emit("errorMsg", {
msg: "No ban target specified."
});
}
var name = args.shift().toLowerCase();
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var range = false;
if (args[0] === "range") {
range = "range";
args.shift();
} else if (args[0] === "wrange") {
range = "wrange";
args.shift();
}
var reason = args.join(" ");
var chan = this.channel;
chan.activeLock.lock();
this.banAll(user, name, range, reason, function (err) {
chan.activeLock.release();
});
};
KickBanModule.prototype.banName = function (actor, name, reason, cb) {
var self = this;
reason = reason.substring(0, 255);
var chan = this.channel;
var error = function (what) {
actor.socket.emit("errorMsg", { msg: what });
cb(what);
};
if (!chan.modules.permissions.canBan(actor)) {
return error("You do not have ban permissions on this channel");
}
name = name.toLowerCase();
if (name === actor.getLowerName()) {
actor.socket.emit("costanza", {
msg: "You can't ban yourself"
});
return cb("Attempted to ban self");
}
Q.nfcall(Account.rankForName, name, { channel: chan.name })
.then(function (rank) {
if (rank >= actor.account.effectiveRank) {
throw "You don't have permission to ban " + name;
}
return Q.nfcall(db.channels.isNameBanned, chan.name, name);
}).then(function (banned) {
if (banned) {
throw name + " is already banned";
}
if (chan.dead) { throw null; }
return Q.nfcall(db.channels.ban, chan.name, "*", name, reason, actor.getName());
}).then(function () {
chan.logger.log("[mod] " + actor.getName() + " namebanned " + name);
if (chan.modules.chat) {
chan.modules.chat.sendModMessage(actor.getName() + " namebanned " + name,
chan.modules.permissions.permissions.ban);
}
return true;
}).then(function () {
self.kickBanTarget(name, null);
setImmediate(function () {
cb(null);
});
}).catch(error).done();
};
KickBanModule.prototype.banIP = function (actor, ip, name, reason, cb) {
var self = this;
reason = reason.substring(0, 255);
var masked = util.maskIP(ip);
var chan = this.channel;
var error = function (what) {
actor.socket.emit("errorMsg", { msg: what });
cb(what);
};
if (!chan.modules.permissions.canBan(actor)) {
return error("You do not have ban permissions on this channel");
}
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Q.nfcall(Account.rankForIP, ip, { channel: chan.name }).then(function (rank) {
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if (rank >= actor.account.effectiveRank) {
throw "You don't have permission to ban IP " + masked;
}
return Q.nfcall(db.channels.isIPBanned, chan.name, ip);
}).then(function (banned) {
if (banned) {
throw masked + " is already banned";
}
if (chan.dead) { throw null; }
return Q.nfcall(db.channels.ban, chan.name, ip, name, reason, actor.getName());
}).then(function () {
chan.logger.log("[mod] " + actor.getName() + " banned " + ip + " (" + name + ")");
if (chan.modules.chat) {
chan.modules.chat.sendModMessage(actor.getName() + " banned " +
util.maskIP(ip) + " (" + name + ")",
chan.modules.permissions.permissions.ban);
}
}).then(function () {
self.kickBanTarget(name, ip);
setImmediate(function () {
cb(null);
});
}).catch(error).done();
};
KickBanModule.prototype.banAll = function (actor, name, range, reason, cb) {
var self = this;
reason = reason.substring(0, 255);
var chan = self.channel;
var error = function (what) {
cb(what);
};
if (!chan.modules.permissions.canBan(actor)) {
return error("You do not have ban permissions on this channel");
}
self.banName(actor, name, reason, function (err) {
if (err && err.indexOf("is already banned") === -1) {
cb(err);
} else {
db.getIPs(name, function (err, ips) {
if (err) {
return error(err);
}
var all = ips.map(function (ip) {
if (range === "range") {
ip = util.getIPRange(ip);
} else if (range === "wrange") {
ip = util.getWideIPRange(ip);
}
return Q.nfcall(self.banIP.bind(self), actor, ip, name, reason);
});
Q.all(all).then(function () {
setImmediate(cb);
}).catch(error).done();
});
}
});
};
KickBanModule.prototype.kickBanTarget = function (name, ip) {
name = name.toLowerCase();
for (var i = 0; i < this.channel.users.length; i++) {
if (this.channel.users[i].getLowerName() === name ||
this.channel.users[i].longip === ip) {
this.channel.users[i].kick("You're banned!");
}
}
};
KickBanModule.prototype.handleUnban = function (user, data) {
if (!this.channel.modules.permissions.canBan(user)) {
return;
}
var self = this;
this.channel.activeLock.lock();
db.channels.unbanId(this.channel.name, data.id, function (err) {
if (err) {
return user.socket.emit("errorMsg", {
msg: err
});
}
self.sendUnban(self.channel.users, data);
self.channel.logger.log("[mod] " + user.getName() + " unbanned " + data.name);
if (self.channel.modules.chat) {
var banperm = self.channel.modules.permissions.permissions.ban;
self.channel.modules.chat.sendModMessage(user.getName() + " unbanned " +
data.name, banperm);
}
self.channel.activeLock.release();
});
};
module.exports = KickBanModule;