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)); 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); function checkIPBan(cname, ip, cb) { db.channels.isIPBanned(cname, ip, function (err, banned) { if (err) { cb(false); } else { cb(banned); } }); } function checkNameBan(cname, name, cb) { db.channels.isNameBanned(cname, name, function (err, banned) { if (err) { cb(false); } else { cb(banned); } }); } KickBanModule.prototype.onUserPreJoin = function (user, data, cb) { if (!this.channel.is(Flags.C_REGISTERED)) { return cb(null, ChannelModule.PASSTHROUGH); } var cname = this.channel.name; checkIPBan(cname, user.realip, function (banned) { if (banned) { cb(null, ChannelModule.DENY); user.kick("Your IP address is banned from this channel."); } else { checkNameBan(cname, user.getName(), function (banned) { if (banned) { cb(null, ChannelModule.DENY); user.kick("Your username is banned from this channel."); } else { cb(null, 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.cloakIP(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 || args[0].trim() === "") { return user.socket.emit("errorMsg", { msg: "No kick target specified. If you're trying to kick " + "anonymous users, use /kickanons" }); } 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"); } }; /* /ban - name bans */ KickBanModule.prototype.handleCmdBan = function (user, msg, meta) { var args = msg.split(" "); args.shift(); /* shift off /ban */ if (args.length === 0 || args[0].trim() === "") { return user.socket.emit("errorMsg", { msg: "No ban target specified." }); } var name = args.shift().toLowerCase(); 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 || args[0].trim() === "") { return user.socket.emit("errorMsg", { msg: "No ban target specified." }); } var name = args.shift().toLowerCase(); 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.cloakIP(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"); } Q.nfcall(Account.rankForIP, ip, { channel: chan.name }).then(function (rank) { 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 () { var cloaked = util.cloakIP(ip); chan.logger.log("[mod] " + actor.getName() + " banned " + cloaked + " (" + name + ")"); if (chan.modules.chat) { chan.modules.chat.sendModMessage(actor.getName() + " banned " + cloaked + " (" + 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].realip === 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;