sync/lib/database.js

758 lines
21 KiB
JavaScript

var mysql = require("mysql");
var hashlib = require("node_hash");
var bcrypt = require("bcrypt");
var $util = require("./utilities");
var Logger = require("./logger");
var cfg = {};
var pool = null;
var global_ipbans = {};
module.exports.init = function (cfg) {
cfg = cfg;
pool = mysql.createPool({
host: cfg["mysql-server"],
user: cfg["mysql-user"],
password: cfg["mysql-pw"],
database: cfg["mysql-db"],
multipleStatements: true
});
// Test the connection
pool.getConnection(function (err, conn) {
if(err) {
Logger.errlog.log("! DB connection failed");
return;
} else {
// Refresh global IP bans
module.exports.listGlobalIPBans();
}
});
global_ipbans = {};
module.exports.users = require("./database/accounts");
module.exports.users.init();
module.exports.channels = require("./database/channels");
module.exports.channels.init();
};
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.end();
}
if(sub) {
conn.query(query, sub, cback);
} else {
conn.query(query, cback);
}
}
});
};
function blackHole() {
}
module.exports.oldinit = function () {
var query;
// Create global bans table
query = ["CREATE TABLE IF NOT EXISTS `global_bans` (",
"`ip` VARCHAR(15) NOT NULL,",
"`note` VARCHAR(255) NOT NULL,",
"PRIMARY KEY (`ip`))",
"ENGINE = MyISAM ",
"CHARACTER SET utf8;"].join("");
module.exports.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create global ban table");
}
});
// Create password reset table
query = ["CREATE TABLE IF NOT EXISTS `password_reset` (",
"`ip` VARCHAR(15) NOT NULL,",
"`name` VARCHAR(20) NOT NULL,",
"`hash` VARCHAR(64) NOT NULL,",
"`email` VARCHAR(255) NOT NULL,",
"`expire` BIGINT NOT NULL,",
"PRIMARY KEY (`name`))",
"ENGINE = MyISAM ",
"CHARACTER SET utf8;"].join("");
module.exports.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create password reset table");
}
});
// Create user playlist table
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,",
"`time` INT NOT NULL,",
"PRIMARY KEY (`user`, `name`))",
"ENGINE = MyISAM ",
"CHARACTER SET utf8;"].join("");
module.exports.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create user playlist table");
}
});
// Create user aliases table
query = ["CREATE TABLE IF NOT EXISTS `aliases` (",
"`visit_id` INT NOT NULL AUTO_INCREMENT,",
"`ip` VARCHAR(15) NOT NULL,",
"`name` VARCHAR(20) NOT NULL,",
"`time` BIGINT NOT NULL,",
"PRIMARY KEY (`visit_id`), INDEX (`ip`))",
"ENGINE = MyISAM ",
"CHARACTER SET utf8;"].join("");
module.exports.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create user aliases table");
}
});
// Create action log table
query = ["CREATE TABLE IF NOT EXISTS `actionlog` (",
"`ip` VARCHAR(15) NOT NULL,",
"`name` VARCHAR(20) NOT NULL,",
"`action` VARCHAR(255) NOT NULL,",
"`args` TEXT NOT NULL,",
"`time` BIGINT NOT NULL,",
"PRIMARY KEY (`ip`, `time`), INDEX (`action`))",
"ENGINE = MyISAM ",
"CHARACTER SET utf8;"].join("");
module.exports.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create action log table");
}
});
// Create stats table
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`))",
"ENGINE = MyISAM ",
"CHARACTER SET utf8;"].join("");
module.exports.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create stats table");
}
});
// Refresh global IP bans
module.exports.listGlobalIPBans();
};
/* REGION global bans */
module.exports.isGlobalIPBanned = function (ip, callback) {
if(typeof callback !== "function")
return;
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);
};
module.exports.listGlobalIPBans = 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 in res) {
global_ipbans[res[i].ip] = res[i].note;
}
callback(null, global_ipbans);
});
};
module.exports.setGlobalIPBan = function (ip, reason, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "INSERT INTO global_bans VALUES (?, ?)" +
" ON DUPLICATE KEY UPDATE note=?";
module.exports.query(query, [ip, reason, reason], function (err, res) {
if(err) {
callback(err, null);
return;
}
module.exports.listGlobalIPBans();
callback(null, res);
});
};
module.exports.clearGlobalIPBan = 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;
}
callback(null, res);
});
};
/* END REGION */
/* REGION Auth */
module.exports.getGlobalRank = function (name, callback) {
if(typeof callback !== "function")
return;
var query = "SELECT global_rank FROM registrations WHERE uname=?";
module.exports.query(query, [name], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback(null, 0);
return;
}
callback(null, res[0].global_rank);
});
};
module.exports.listGlobalRanks = function (names, callback) {
if(typeof callback !== "function")
return;
if(typeof names === "string")
names = [names];
// Build the query template (?, ?, ?, ?, ...)
var nlist = [];
for(var i in names)
nlist.push("?");
nlist = "(" + nlist.join(",") + ")";
var query = "SELECT global_rank FROM registrations WHERE uname IN " +
nlist;
module.exports.query(query, names, function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback(null, 0);
return;
}
for(var i in res)
res[i] = res[i].global_rank;
callback(null, res);
});
};
/* END REGION */
/* REGION users */
module.exports.searchUser = function (name, callback) {
if(typeof callback !== "function")
return;
// NOTE: No SELECT * here because I don't want to risk exposing
// the user's password hash
var query = "SELECT id, uname, global_rank, profile_image, " +
"profile_text, email FROM registrations WHERE " +
"uname LIKE ?";
module.exports.query(query, ["%" + name + "%"], callback);
};
/* rank */
module.exports.setGlobalRank = function (name, rank, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "UPDATE registrations SET global_rank=? WHERE uname=?";
module.exports.query(query, [rank, name], callback);
};
/* email and profile */
module.exports.getUserProfile = function (name, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT profile_image, profile_text FROM registrations " +
"WHERE uname=?";
module.exports.query(query, [name], function (err, res) {
if(err) {
callback(err, null);
return;
}
var def = {
profile_image: "",
profile_text: ""
};
callback(null, res.length > 0 ? res[0] : def);
});
};
module.exports.setUserProfile = function (name, data, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "UPDATE registrations SET profile_image=?, profile_text=?" +
"WHERE uname=?";
module.exports.query(query, [data.image, data.text, name], callback);
};
module.exports.setUserEmail = function (name, email, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "UPDATE registrations SET email=? WHERE uname=?";
module.exports.query(query, [email, name], callback);
};
/* password recovery */
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 */
module.exports.listUserPlaylists = function (name, callback) {
if(typeof callback !== "function")
return;
var query = "SELECT name, count, time FROM user_playlists WHERE user=?";
module.exports.query(query, [name], callback);
};
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);
});
};
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=?, time=?";
var params = [username, plname, plText, count, time,
plText, count, time];
module.exports.query(query, params, callback);
};
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);
};
/* user channels */
module.exports.listUserChannels = function (username, callback) {
if(typeof callback !== "function")
return;
var query = "SELECT * FROM channels WHERE owner=? ORDER BY id ASC";
module.exports.query(query, [username], callback);
};
/* aliases */
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);
};
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);
};
module.exports.listAliases = function (ip, callback) {
if(typeof callback !== "function")
return;
var query = "SELECT name,time FROM aliases WHERE ip";
// Range
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.forEach(function (row) {
names.push(row.name);
});
}
callback(err, names);
});
};
module.exports.listIPsForName = 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.forEach(function (row) {
ips.push(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 */