sync/database.js

1386 lines
38 KiB
JavaScript

var mysql = require("mysql");
var hashlib = require("node_hash");
var bcrypt = require("bcrypt");
var $util = require("./utilities");
var Logger = {
errlog: {
log: function () {
console.log(arguments[0]);
}
}
};
var Database = function (cfg) {
this.cfg = cfg;
this.pool = mysql.createPool({
host: cfg["mysql-server"],
user: cfg["mysql-user"],
password: cfg["mysql-pw"],
database: cfg["mysql-db"]
});
// Test the connection
this.pool.getConnection(function (err, conn) {
if(err) {
Logger.errlog.log("! DB connection failed");
return;
}
conn.end();
});
this.global_ipbans = {};
};
Database.prototype.query = function (query, sub, callback) {
// 2nd argument is optional
if(typeof sub === "function") {
callback = sub;
sub = false;
}
if(typeof callback !== "function")
callback = blackHole;
var self = this;
self.pool.getConnection(function (err, conn) {
if(err) {
callback("Database failure", null);
} else {
function cback(err, res) {
if(err) {
if(self.cfg["debug"]) {
console.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() {
}
Database.prototype.init = function () {
var self = this;
var query;
// Create channel table
query = ["CREATE TABLE IF NOT EXISTS `channels` (",
"`id` INT NOT NULL AUTO_INCREMENT,",
"`name` VARCHAR(255) NOT NULL,",
"`owner` VARCHAR(20) NOT NULL,",
"PRIMARY KEY(`id`))",
"ENGINE = MyISAM;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create channels table");
} else {
console.log("Created channels table");
}
});
// Create registration table
query = ["CREATE TABLE IF NOT EXISTS `registrations` (",
"`id` INT NOT NULL AUTO_INCREMENT,",
"`uname` VARCHAR(20) NOT NULL,",
"`pw` VARCHAR(64) NOT NULL,",
"`global_rank` INT NOT NULL,",
"`session_hash` VARCHAR(64) NOT NULL,",
"`expire` BIGINT NOT NULL,",
"`profile_image` VARCHAR(255) NOT NULL,",
"`profile_text` TEXT NOT NULL,",
"`email` VARCHAR(255) NOT NULL,",
"PRIMARY KEY (`id`))",
"ENGINE = MyISAM;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create registration table");
} else if(self.cfg["debug"]) {
console.log("Created registrations table");
}
});
// 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;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create global ban table");
} else if(self.cfg["debug"]) {
console.log("Created 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;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create password reset table");
} else if(self.cfg["debug"]) {
console.log("Created 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;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create user playlist table");
} else if(self.cfg["debug"]) {
console.log("Created 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;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create user aliases table");
} else if(self.cfg["debug"]) {
console.log("Created 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;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create action log table");
} else if(self.cfg["debug"]) {
console.log("Created 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;"].join("");
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to create stats table");
} else if(self.cfg["debug"]) {
console.log("Created stats table");
}
});
// Refresh global IP bans
self.listGlobalIPBans();
};
/* REGION global bans */
Database.prototype.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.$3");
var banned = ip in this.global_ipbans ||
s16 in this.global_ipbans ||
s24 in this.global_ipbans;
callback(null, banned);
};
Database.prototype.listGlobalIPBans = function (callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
self.query("SELECT * FROM global_bans WHERE 1", function (err, res) {
if(err) {
callback(err, null);
return;
}
self.global_ipbans = {};
for(var i in res) {
self.global_ipbans[res[i].ip] = res[i].note;
}
callback(null, self.global_ipbans);
});
};
Database.prototype.setGlobalIPBan = function (ip, reason, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "INSERT INTO global_bans VALUES (?, ?)" +
" ON DUPLICATE KEY UPDATE note=?";
self.query(query, [ip, reason, reason], function (err, res) {
if(err) {
callback(err, null);
return;
}
self.getGlobalIPBans();
callback(null, res);
});
};
Database.prototype.clearGlobalIPBan = function (ip, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "DELETE FROM global_bans WHERE ip=?";
self.query(query, [ip], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res);
});
};
/* END REGION */
/* REGION channels */
Database.prototype.searchChannel = function (field, value, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT * FROM channels WHERE ";
if(field === "owner")
query += "owner LIKE %?%";
else if(field === "name")
query += "name LIKE %?%";
self.query(query, [value], callback);
};
Database.prototype.channelExists = function (name, callback) {
var self = this;
if(typeof callback !== "function")
return;
if(!$util.isValidChannelName(name)) {
callback("Invalid channel name", null);
return;
}
var query = "SELECT name FROM channels WHERE name=?";
self.query(query, [name], function (err, res) {
callback(err, res.length > 0);
});
};
Database.prototype.registerChannel = function (name, owner, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(name)) {
callback("Invalid channel name", null);
return;
}
// Messy, but I can't think of a better async solution atm
var query = "SELECT * FROM channels WHERE name=?";
self.query(query, [name], function (err, res) {
if(!err && res.length > 0) {
callback("Channel already exists", null);
return;
}
// Library table
query = ["CREATE TABLE `chan_" + name + "_library` (",
"`id` VARCHAR(255) NOT NULL,",
"`title` VARCHAR(255) NOT NULL,",
"`seconds` INT NOT NULL,",
"`type` VARCHAR(2) NOT NULL,",
"PRIMARY KEY (`id`))",
"ENGINE = MyISAM;"].join("");
self.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
// Rank table
query = ["CREATE TABLE `chan_" + name + "_ranks` (",
"`name` VARCHAR(32) NOT NULL,",
"`rank` INT NOT NULL,",
"UNIQUE (`name`))",
"ENGINE = MyISAM;"].join("");
self.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
// Ban table
query = ["CREATE TABLE `chan_" + name + "_bans` (",
"`ip` VARCHAR(15) NOT NULL,",
"`name` VARCHAR(32) NOT NULL,",
"`banner` VARCHAR(32) NOT NULL,",
"PRIMARY KEY (`ip`))",
"ENGINE = MyISAM;"].join("");
self.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
query = "INSERT INTO channels VALUES (NULL, ?, ?)";
self.query(query, [name, owner], function (err, res) {
callback(err, res);
});
});
});
});
});
};
Database.prototype.loadChannelData = function (chan, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(chan.name)) {
callback("Invalid channel name", null);
return;
}
var query = "SELECT * FROM channels WHERE name=?";
self.query(query, [chan.name], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback("Channel is unregistered", null);
return;
}
if(res[0].name != chan.name)
chan.name = rows[0].name;
chan.registered = true;
// Load bans
query = "SELECT * FROM `chan_" + chan.name + "_bans`";
self.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
for(var i in res) {
var r = res[i];
if(r.ip === "*")
chan.namebans[r.name] = r.banner;
else
chan.ipbans[r.ip] = [r.name, r.banner];
}
chan.logger.log("*** Loaded channel from database");
callback(null, true);
});
});
};
Database.prototype.dropChannel = function (name, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(name)) {
callback("Invalid channel name", null);
return;
}
var query = "DROP TABLE `chan_?_bans`,`chan_?_ranks`,`chan_?_library`"
.replace(/\?/g, name);
self.query(query, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to drop channel tables for "+name);
callback(err, null);
return;
}
query = "DELETE FROM channels WHERE name=?";
self.query(query, [name], function (err, res) {
callback(err, res);
if(err) {
Logger.errlog.log("! Failed to delete channel "+name);
}
});
});
};
Database.prototype.getChannelRank = function (channame, names, callback) {
var self = this;
if(typeof callback !== "function")
return;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
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 name, rank FROM `chan_" + channame + "_ranks`" +
"WHERE name IN " + nlist;
self.query(query, names, function (err, res) {
if(err) {
Logger.errlog.log("! Failed to lookup " + channame + " ranks");
if(names.length == 1)
callback(err, 0);
else
callback(err, []);
return;
}
if(names.length == 1) {
if(res.length == 0)
callback(null, 0);
else
callback(null, res[0].rank);
return;
}
callback(null, res);
});
};
Database.prototype.setChannelRank = function (channame, name, rank, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "INSERT INTO `chan_" + channame + "_ranks` " +
"(name, rank) VALUES (?, ?) " +
"ON DUPLICATE KEY UPDATE rank=?";
self.query(query, [name, rank, rank], callback);
};
Database.prototype.listChannelRanks = function (channame, callback) {
var self = this;
if(typeof callback !== "function")
return;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "SELECT * FROM `chan_" + channame + "_ranks` WHERE 1";
self.query(query, callback);
};
Database.prototype.addToLibrary = function (channame, media, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name");
return;
}
var query = "INSERT INTO `chan_" + channame + "_ranks`" +
"(id, title, seconds, type) " +
"VALUES (?, ?, ?, ?)";
var params = [
media.id,
media.title,
media.seconds,
media.type
];
self.query(query, params, callback);
};
Database.prototype.removeFromLibrary = function (channame, id, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "DELETE FROM `chan_" + channame + "_library` WHERE id=?";
self.query(query, [id], callback);
};
Database.prototype.getLibraryItem = function (channame, id, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "SELECT id, title, seconds, type FROM " +
"`chan_" + channame + "_library` WHERE id=?";
self.query(query, [id], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res.length > 0 ? res[0] : null);
});
};
Database.prototype.searchLibrary = function (channame, term, callback) {
var self = this;
if(typeof callback !== "function")
return;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "SELECT id, title, seconds, type FROM " +
"`chan_" + channame + "_library` WHERE title LIKE %?%";
self.query(query, [term], callback);
};
Database.prototype.addChannelBan = function (channame, ip, name, banBy,
callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "INSERT INTO `chan_" + channame + "_bans`" +
"(ip, name, banner) VALUES (?, ?, ?)";
self.query(query, [ip, name, banBy], callback);
};
Database.prototype.clearChannelIPBan = function (channame, ip, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidChannelName(channame)) {
callback("Invalid channel name", null);
return;
}
var query = "DELETE FROM `chan_" + channame + "_bans` WHERE ip=?";
self.query(query, [ip], callback);
};
Database.prototype.clearChannelNameBan = function (channame, name,
callback) {
var self = this;
if(typeof callback !== "function") {
callback = blackHole;
return;
}
var query = "DELETE FROM `chan_" + channame + "_bans` WHERE ip='*'" +
"AND name=?";
self.query(query, [name], callback);
};
/* END REGION */
/* REGION Auth */
Database.prototype.isUsernameTaken = function (name, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT id FROM registrations WHERE uname=?";
self.query(query, [name], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res.length > 0);
});
};
Database.prototype.registerUser = function (name, pw, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
if(!$util.isValidUserName(name)) {
callback("Invalid username", null);
return;
}
var postRegister = function (err, res) {
if(err) {
callback(err, null);
return;
}
self.createLoginSession(name, function (err, hash) {
if(err) {
// Don't confuse people into thinking the registration
// failed when it was the session that failed
callback(null, "");
return;
}
callback(null, hash);
});
};
self.isUsernameTaken(name, function (err, taken) {
if(err) {
callback(err, null);
return;
}
if(taken) {
callback("Username already taken", null);
return;
}
bcrypt.hash(pw, 10, function (err, hash) {
if(err) {
callback(err, null);
return;
}
var query = "INSERT INTO registrations VALUES " +
"(NULL, ?, ?, 1, '', 0, '', '', '')";
self.query(query, [name, hash], postRegister);
});
});
};
Database.prototype.userLogin = function (name, pw, session, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var postLogin = function (err, row) {
if(err) {
callback(err, null);
return;
}
self.createLoginSession(name, function (err, hash) {
if(err) {
callback(err, null);
return;
}
row.session_hash = hash;
callback(null, row);
});
};
if(session) {
self.userLoginSession(name, session, postLogin);
} else if(pw) {
self.userLoginPassword(name, pw, postLogin);
} else {
callback("Invalid login", null);
}
};
Database.prototype.userLoginPassword = function (name, pw, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT * FROM registrations WHERE uname=?";
self.query(query, [name], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback("User does not exist", null);
return;
}
var row = res[0];
bcrypt.compare(pw, row.pw, function (err, valid) {
if(valid) {
// For security, erase the password field before returning
delete row["pw"];
callback(null, row);
return;
}
// Possibly could be a SHA256 hash from an *ancient* version
// of CyTube
var sha = hashlib.sha256(pw);
if(sha == row.pw) {
// Replace it
bcrypt.hash(pw, 10, function (err, hash) {
if(!err) {
self.query("UPDATE registrations SET pw=? "+
"WHERE uname=?", [hash, name]);
}
});
// Remove password field before returning
delete row["pw"];
callback(null, row);
} else {
callback("Invalid username/password combination", null);
}
});
});
};
Database.prototype.userLoginSession = function (name, session, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT * FROM registrations WHERE uname=? AND " +
"session_hash=?";
self.query(query, [name, session], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback("Invalid session", null);
return;
}
var row = res[0];
if(row.expire < Date.now()) {
callback("Session expired", null);
return;
}
callback(null, row);
});
};
Database.prototype.createLoginSession = function (name, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var salt = $util.randomSalt(32);
var hash = hashlib.sha256(salt + name);
var query = "UPDATE registrations SET session_hash=?, expire=? " +
"WHERE uname=?";
self.query(query, [hash, Date.now() + 604800000, name],
function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, hash);
});
};
Database.prototype.setUserPassword = function (name, pw, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
bcrypt.hash(pw, 10, function (err, hash) {
if(err) {
callback(err, null);
return;
}
var query = "UPDATE registrations SET pw=? WHERE uname=?";
self.query(query, [hash, name], callback);
});
};
Database.prototype.getGlobalRank = function (name, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT global_rank FROM registrations WHERE uname=?";
self.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
if(res.length == 0) {
callback("User does not exist", null);
return;
}
callback(null, res[0].global_rank);
});
};
/* END REGION */
/* REGION users */
Database.prototype.searchUser = function (name, callback) {
var self = this;
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 %?%";
self.query(query, [name], callback);
};
/* rank */
Database.prototype.setGlobalRank = function (name, rank, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "UPDATE registrations SET global_rank=? WHERE uname=?";
self.query(query, [rank, name], callback);
};
/* email and profile */
Database.prototype.getUserProfile = function (name, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT profile_image, profile_text FROM registrations " +
"WHERE uname=?";
self.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);
});
};
Database.prototype.setUserProfile = function (name, data, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "UPDATE registrations SET profile_image=?, profile_text=?" +
"WHERE uname=?";
self.query(query, [data.image, data.text, name], callback);
};
Database.prototype.setUserEmail = function (name, email, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "UPDATE registrations SET email=? WHERE uname=?";
self.query(query, [email, name], callback);
};
/* password recovery */
Database.prototype.genPasswordReset = function (ip, name, email, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT email FROM registrations WHERE uname=?";
self.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=?";
self.query(query, [ip, name, hash, email, exp, hash, exp],
function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, hash);
});
});
};
Database.prototype.recoverUserPassword = function (hash, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT * FROM password_reset WHERE hash=?";
self.query(query, [hash], function (err, res) {
if(err) {
callback(err, null);
return;
}
if(rows.length == 0) {
callback("Invalid password reset link", null);
return;
}
if(Date.now() > res[0].expire) {
self.query("DELETE FROM password_reset WHERE hash=?", [hash]);
callback("Link expired. Password resets are valid for 24hr",
null);
return;
}
var name = res[0].name;
self.resetUserPassword(res[0].name, function (err, pw) {
if(err) {
callback(err, null);
return;
}
self.query("DELETE FROM password_reset WHERE hash=?", [hash]);
callback(null, {
name: name,
pw: pw
});
});
});
};
Database.prototype.resetUserPassword = function (name, callback) {
var self = this;
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=?";
self.query(query, [data, name], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, pw);
});
});
};
/* user playlists */
Database.prototype.listUserPlaylists = function (name, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT name, count, time FROM user_playlists WHERE user=?";
self.query(query, [name], callback);
};
Database.prototype.getUserPlaylist = function (username, plname, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT contents FROM user_playlists WHERE " +
"user=? AND name=?";
self.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);
});
};
Database.prototype.saveUserPlaylist = function (pl, username, plname,
callback) {
var self = this;
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];
self.query(query, params, callback);
};
Database.prototype.deleteUserPlaylist = function (username, plname,
callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "DELETE FROM user_playlists WHERE user=? AND name=?";
self.query(query, [username, plname], callback);
};
/* user channels */
Database.prototype.listUserChannels = function (username, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT * FROM channels WHERE owner=? ORDER BY id ASC";
self.query(query, [username], callback);
};
/* aliases */
Database.prototype.recordVisit = function (ip, name, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var time = Date.now();
var query = "DELETE FROM aliases WHERE ip=? AND name=?;" +
"INSERT INTO aliases VALUES (NULL, ?, ?, ?)";
self.query(query, [ip, name, ip, name, time], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res);
query = "DELETE FROM aliases WHERE ip=? AND visit_id NOT IN (" +
"SELECT visit_id FROM (" +
"SELECT visit_id, time FROM aliases WHERE ip=?" +
"ORDER BY time DESC LIMIT 5" +
") foo" + // The 'foo' here is actually necessary
")";
self.query(query, [ip, ip]);
});
};
Database.prototype.listAliases = function (ip, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT name FROM aliases WHERE ip=?";
self.query(query, [ip], function (err, res) {
var names = null;
if(!err) {
names = [];
res.forEach(function (row) {
names.append(row.name);
});
}
callback(err, names);
});
};
Database.prototype.listIPsForName = function (name, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT ip FROM aliases WHERE name=?";
self.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 */
Database.prototype.recordAction = function (ip, name, action, args,
callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "INSERT INTO actionlog (ip, name, action, args, time) " +
"VALUES (?, ?, ?, ?, ?)";
self.query(query, [ip, name, action, args, Date.now()], callback);
};
Database.prototype.clearActions = function (actions, callback) {
var self = this;
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;
self.query(query, actions, callback);
};
Database.prototype.clearSingleAction = function (item, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "DELETE FROM actionlog WHERE ip=? AND time=?";
self.query(query, [item.ip, item.time], callback);
};
Database.prototype.recentRegistrationCount = function (ip, callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT * FROM actionlog WHERE ip=? " +
"AND action='register-success' AND time > ?";
self.query(query, [ip, Date.now() - 48 * 3600 * 1000],
function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res.length);
});
};
Database.prototype.listActionTypes = function (callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT DISTINCT action FROM actionlog";
self.query(query, function (err, res) {
if(err) {
callback(err, null);
return;
}
var types = [];
res.forEach(function (row) {
types.push(row.action);
});
callback(null, types);
});
};
Database.prototype.listActions = function (types, callback) {
var self = this;
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 " + actiontypes;
self.query(query, types, callback);
};
/* END REGION */
/* REGION stats */
Database.prototype.addStatPoint = function (time, ucount, ccount, mem,
callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "INSERT INTO stats VALUES (?, ?, ?, ?)";
self.query(query, [time, ucount, ccount, mem], callback);
};
Database.prototype.pruneStats = function (before, callback) {
var self = this;
if(typeof callback !== "function")
callback = blackHole;
var query = "DELETE FROM stats WHERE time < ?";
self.query(query, [before], callback);
};
Database.prototype.listStats = function (callback) {
var self = this;
if(typeof callback !== "function")
return;
var query = "SELECT * FROM stats ORDER BY time ASC";
self.query(query, callback);
};
/* END REGION */
module.exports = Database;