sync/lib/database.js

673 lines
18 KiB
JavaScript

var mysql = require("mysql");
var bcrypt = require("bcrypt");
var $util = require("./utilities");
var Logger = require("./logger");
var Config = require("./config");
var pool = null;
var global_ipbans = {};
module.exports.init = function () {
pool = mysql.createPool({
host: Config.get("mysql.server"),
user: Config.get("mysql.user"),
password: Config.get("mysql.password"),
database: Config.get("mysql.database"),
multipleStatements: true
});
// Test the connection
pool.getConnection(function (err, conn) {
if(err) {
Logger.errlog.log("! DB connection failed");
return;
} else {
module.exports.initGlobalTables();
// Refresh global IP bans
module.exports.listGlobalBans();
}
});
global_ipbans = {};
module.exports.users = require("./database/accounts");
module.exports.users.init();
module.exports.channels = require("./database/channels");
module.exports.channels.init();
};
/**
* Execute a database query
*/
module.exports.query = function (query, sub, callback) {
// 2nd argument is optional
if (typeof sub === "function") {
callback = sub;
sub = false;
}
if (typeof callback !== "function") {
callback = blackHole;
}
pool.getConnection(function (err, conn) {
if (err) {
Logger.errlog.log("! DB connection failed: " + err);
callback("Database failure", null);
} else {
function cback(err, res) {
if (err) {
Logger.errlog.log("! DB query failed: " + query);
if (sub) {
Logger.errlog.log("Substitutions: " + sub);
}
Logger.errlog.log(err);
callback("Database failure", null);
} else {
callback(null, res);
}
conn.release();
}
if (sub) {
conn.query(query, sub, cback);
} else {
conn.query(query, cback);
}
}
});
};
/**
* Dummy function to be used as a callback when none is provided
*/
function blackHole() {
}
module.exports.initGlobalTables = function () {
var fail = function (table) {
return function (err) {
if (err) {
Logger.errlog.log("Failed to initialize " + table);
}
};
};
var query = module.exports.query;
query("CREATE TABLE IF NOT EXISTS `global_bans` (" +
"`ip` VARCHAR(39) NOT NULL," +
"`reason` VARCHAR(255) NOT NULL," +
"PRIMARY KEY (`ip`)) " +
"CHARACTER SET utf8",
fail("global_bans"));
query("CREATE TABLE IF NOT EXISTS `password_reset` (" +
"`ip` VARCHAR(39) NOT NULL," +
"`name` VARCHAR(20) NOT NULL," +
"`hash` VARCHAR(64) NOT NULL," +
"`email` VARCHAR(255) NOT NULL," +
"`expire` BIGINT NOT NULL," +
"PRIMARY KEY (`name`))" +
"CHARACTER SET utf8",
fail("password_reset"));
query("CREATE TABLE IF NOT EXISTS `user_playlists` (" +
"`user` VARCHAR(20) NOT NULL," +
"`name` VARCHAR(255) NOT NULL," +
"`contents` MEDIUMTEXT NOT NULL," +
"`count` INT NOT NULL," +
"`duration` INT NOT NULL," +
"PRIMARY KEY (`user`, `name`))" +
"CHARACTER SET utf8",
fail("user_playlists"));
query("CREATE TABLE IF NOT EXISTS `aliases` (" +
"`visit_id` INT NOT NULL AUTO_INCREMENT," +
"`ip` VARCHAR(39) NOT NULL," +
"`name` VARCHAR(20) NOT NULL," +
"`time` BIGINT NOT NULL," +
"PRIMARY KEY (`visit_id`), INDEX (`ip`))",
fail("aliases"));
query("CREATE TABLE IF NOT EXISTS `stats` (" +
"`time` BIGINT NOT NULL," +
"`usercount` INT NOT NULL," +
"`chancount` INT NOT NULL," +
"`mem` INT NOT NULL," +
"PRIMARY KEY (`time`))" +
"CHARACTER SET utf8",
fail("stats"));
query("CREATE TABLE IF NOT EXISTS `meta` (" +
"`key` VARCHAR(255) NOT NULL," +
"`value` TEXT NOT NULL," +
"PRIMARY KEY (`key`))" +
"CHARACTER SET utf8",
function (err, res) {
if (err) {
fail("meta")(err);
return;
}
require("./dbupdate").checkVersion();
});
};
/* REGION global bans */
/**
* Check if an IP address is globally banned
*/
module.exports.isGlobalIPBanned = function (ip, callback) {
if (typeof callback !== "function") {
return;
}
// TODO account for IPv6
// Also possibly just change this to allow arbitrary
// ranges instead of only /32, /24, /16
const re = /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
// Account for range banning
var s16 = ip.replace(re, "$1.$2");
var s24 = ip.replace(re, "$1.$2.$3");
var banned = ip in global_ipbans ||
s16 in global_ipbans ||
s24 in global_ipbans;
callback(null, banned);
};
/**
* Retrieve all global bans from the database.
* Cache locally in global_bans
*/
module.exports.listGlobalBans = function (callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
module.exports.query("SELECT * FROM global_bans WHERE 1", function (err, res) {
if (err) {
callback(err, null);
return;
}
global_ipbans = {};
for (var i = 0; i < res.length; i++) {
global_ipbans[res[i].ip] = res[i];
}
callback(null, global_ipbans);
});
};
/**
* Globally ban by IP
*/
module.exports.globalBanIP = function (ip, reason, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var query = "INSERT INTO global_bans (ip, reason) VALUES (?, ?)" +
" ON DUPLICATE KEY UPDATE reason=?";
module.exports.query(query, [ip, reason, reason], function (err, res) {
if(err) {
callback(err, null);
return;
}
module.exports.listGlobalBans();
callback(null, res);
});
};
/**
* Remove a global IP ban
*/
module.exports.globalUnbanIP = function (ip, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var query = "DELETE FROM global_bans WHERE ip=?";
module.exports.query(query, [ip], function (err, res) {
if(err) {
callback(err, null);
return;
}
module.exports.listGlobalBans();
callback(null, res);
});
};
/* END REGION */
/* password recovery */
module.exports.addPasswordReset = function (data, cb) {
if (typeof cb !== "function") {
cb = blackHole;
}
var ip = data.ip || "";
var name = data.name;
var email = data.email;
var hash = data.hash;
var expire = data.expire;
if (!name || !hash) {
cb("Internal error: Must provide name and hash to insert a new password reset", null);
return;
}
module.exports.query("INSERT INTO `password_reset` (`ip`, `name`, `email`, `hash`, `expire`) " +
"VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE ip=?, hash=?, email=?, expire=?",
[ip, name, email, hash, expire, ip, hash, email, expire], cb);
};
module.exports.deletePasswordReset = function (hash) {
module.exports.query("DELETE FROM `password_reset` WHERE hash=?", [hash]);
};
/*
module.exports.genPasswordReset = function (ip, name, email, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT email FROM registrations WHERE uname=?";
module.exports.query(query, [name], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback("Provided username does not exist", null);
return;
}
if(res[0].email != email) {
callback("Provided email does not match user's email", null);
return;
}
var hash = hashlib.sha256($util.randomSalt(32) + name);
var expire = Date.now() + 24*60*60*1000;
query = "INSERT INTO password_reset " +
"(ip, name, hash, email, expire) VALUES (?, ?, ?, ?, ?) " +
"ON DUPLICATE KEY UPDATE hash=?, expire=?";
module.exports.query(query, [ip, name, hash, email, expire, hash, expire],
function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, hash);
});
});
};
module.exports.recoverUserPassword = function (hash, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT * FROM password_reset WHERE hash=?";
module.exports.query(query, [hash], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback("Invalid password reset link", null);
return;
}
if(Date.now() > res[0].expire) {
module.exports.query("DELETE FROM password_reset WHERE hash=?", [hash]);
callback("Link expired. Password resets are valid for 24hr",
null);
return;
}
var name = res[0].name;
resetUserPassword(res[0].name, function (err, pw) {
if(err) {
callback(err, null);
return;
}
module.exports.query("DELETE FROM password_reset WHERE hash=?", [hash]);
callback(null, {
name: name,
pw: pw
});
});
});
};
module.exports.resetUserPassword = function (name, callback) {
if(typeof callback !== "function")
callback = blackHole;
var pwChars = "abcdefghijkmnopqrstuvwxyz023456789";
var pw = "";
for(var i = 0; i < 10; i++)
pw += pwChars[parseInt(Math.random() * 33)];
bcrypt.hash(pw, 10, function (err, data) {
if(err) {
Logger.errlog.log("bcrypt error: " + err);
callback("Password reset failure", null);
return;
}
var query = "UPDATE registrations SET pw=? WHERE uname=?";
module.exports.query(query, [data, name], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, pw);
});
});
};
*/
/* user playlists */
/**
* Retrieve all of a user's playlists
*/
module.exports.listUserPlaylists = function (name, callback) {
if (typeof callback !== "function") {
return;
}
var query = "SELECT name, count, duration FROM user_playlists WHERE user=?";
module.exports.query(query, [name], callback);
};
/**
* Retrieve a user playlist by (user, name) pair
*/
module.exports.getUserPlaylist = function (username, plname, callback) {
if (typeof callback !== "function") {
return;
}
var query = "SELECT contents FROM user_playlists WHERE " +
"user=? AND name=?";
module.exports.query(query, [username, plname], function (err, res) {
if (err) {
callback(err, null);
return;
}
if (res.length == 0) {
callback("Playlist does not exist", null);
return;
}
var pl = null;
try {
pl = JSON.parse(res[0].contents);
} catch(e) {
callback("Malformed playlist JSON", null);
return;
}
callback(null, pl);
});
};
/**
* Saves a user playlist. Overwrites if the playlist keyed by
* (user, name) already exists
*/
module.exports.saveUserPlaylist = function (pl, username, plname, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var tmp = [], time = 0;
for(var i in pl) {
var e = {
id: pl[i].media.id,
title: pl[i].media.title,
seconds: pl[i].media.seconds,
type: pl[i].media.type
};
time += pl[i].media.seconds;
tmp.push(e);
}
var count = tmp.length;
var plText = JSON.stringify(tmp);
var query = "INSERT INTO user_playlists VALUES (?, ?, ?, ?, ?) " +
"ON DUPLICATE KEY UPDATE contents=?, count=?, duration=?";
var params = [username, plname, plText, count, time,
plText, count, time];
module.exports.query(query, params, callback);
};
/**
* Deletes a user playlist
*/
module.exports.deleteUserPlaylist = function (username, plname, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var query = "DELETE FROM user_playlists WHERE user=? AND name=?";
module.exports.query(query, [username, plname], callback);
};
/* aliases */
/**
* Records a user or guest login in the aliases table
*/
module.exports.recordVisit = function (ip, name, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var time = Date.now();
var query = "DELETE FROM aliases WHERE ip=? AND name=?;" +
"INSERT INTO aliases VALUES (NULL, ?, ?, ?)";
module.exports.query(query, [ip, name, ip, name, time], callback);
};
/**
* Deletes alias rows older than the given time
*/
module.exports.cleanOldAliases = function (expiration, callback) {
if (typeof callback === "undefined") {
callback = blackHole;
}
var query = "DELETE FROM aliases WHERE time < ?";
module.exports.query(query, [Date.now() - expiration], callback);
};
/**
* Retrieves a list of aliases for an IP address
*/
module.exports.getAliases = function (ip, callback) {
if (typeof callback !== "function") {
return;
}
var query = "SELECT name,time FROM aliases WHERE ip";
// if the ip parameter is a /24 range, we want to match accordingly
if(ip.match(/^\d+\.\d+\.\d+$/)) {
query += " LIKE ?";
ip += ".%";
} else {
query += "=?";
}
query += " ORDER BY time DESC LIMIT 5";
module.exports.query(query, [ip], function (err, res) {
var names = null;
if(!err) {
names = res.map(function (row) { return row.name; });
}
callback(err, names);
});
};
/**
* Retrieves a list of IPs that a name as logged in from
*/
module.exports.getIPs = function (name, callback) {
if (typeof callback !== "function") {
return;
}
var query = "SELECT ip FROM aliases WHERE name=?";
module.exports.query(query, [name], function (err, res) {
var ips = null;
if(!err) {
ips = res.map(function (row) { return row.ip; });
}
callback(err, ips);
});
};
/* END REGION */
/* REGION action log */
/*
module.exports.recordAction = function (ip, name, action, args,
callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "INSERT INTO actionlog (ip, name, action, args, time) " +
"VALUES (?, ?, ?, ?, ?)";
module.exports.query(query, [ip, name, action, args, Date.now()], callback);
};
module.exports.clearActions = function (actions, callback) {
if(typeof callback !== "function")
callback = blackHole;
var list = [];
for(var i in actions)
list.push("?");
var actionlist = "(" + list.join(",") + ")";
var query = "DELETE FROM actionlog WHERE action IN " + actionlist;
module.exports.query(query, actions, callback);
};
module.exports.clearSingleAction = function (item, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "DELETE FROM actionlog WHERE ip=? AND time=?";
module.exports.query(query, [item.ip, item.time], callback);
};
module.exports.recentRegistrationCount = function (ip, callback) {
if(typeof callback !== "function")
return;
var query = "SELECT * FROM actionlog WHERE ip=? " +
"AND action='register-success' AND time > ?";
module.exports.query(query, [ip, Date.now() - 48 * 3600 * 1000],
function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res.length);
});
};
module.exports.listActionTypes = function (callback) {
if(typeof callback !== "function")
return;
var query = "SELECT DISTINCT action FROM actionlog";
module.exports.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
var types = [];
res.forEach(function (row) {
types.push(row.action);
});
callback(null, types);
});
};
module.exports.listActions = function (types, callback) {
if(typeof callback !== "function")
return;
var list = [];
for(var i in types)
list.push("?");
var actionlist = "(" + list.join(",") + ")";
var query = "SELECT * FROM actionlog WHERE action IN " + actionlist;
module.exports.query(query, types, callback);
};
*/
/* END REGION */
/* REGION stats */
module.exports.addStatPoint = function (time, ucount, ccount, mem, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var query = "INSERT INTO stats VALUES (?, ?, ?, ?)";
module.exports.query(query, [time, ucount, ccount, mem], callback);
};
module.exports.pruneStats = function (before, callback) {
if (typeof callback !== "function") {
callback = blackHole;
}
var query = "DELETE FROM stats WHERE time < ?";
module.exports.query(query, [before], callback);
};
module.exports.listStats = function (callback) {
if (typeof callback !== "function") {
return;
}
var query = "SELECT * FROM stats ORDER BY time ASC";
module.exports.query(query, callback);
};
/* END REGION */