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Begin refactoring database 

Please note none of the pending changes will take effect yet,
I'm writing a new file and when it's ready I'll overwrite the current database.js
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calzoneman 2013-05-25 14:32:56 -04:00
parent 486c6f7c8a
commit a6af5a2440
1 changed files with 377 additions and 0 deletions
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var mysql = require("mysql-libmysqlclient");
var Config = require("./config");
var Logger = require("./logger");
var db = false;
function getConnection() {
if(db && db.connectedSync()) {
return db;
}
db = mysql.createConnectionSync();
db.connectSync(Config.MYSQL_SERVER, Config.MYSQL_USER,
Config.MYSQL_PASSWORD, Config.MYSQL_DB);
if(!db.connectedSync()) {
//Logger.errlog.log("DB connection failed");
return false;
}
if(Config.DEBUG) {
db._querySync = db.querySync;
db.querySync = function(q) {
Logger.syslog.log("DEBUG: " + q);
this._querySync(q);
}
}
return db;
}
function createQuery(template, args) {
while(template.indexOf("?") >= 0) {
var idx = template.indexOf("?");
var arg = args.shift();
if(typeof arg == "string") {
arg = arg.replace(/([\'])/g, "\\$1");
if(idx == 0 || template[idx-1] != "`") {
arg = "'" + arg + "'";
}
}
if(arg === null || arg === undefined) {
arg = "NULL";
}
template = template.replace("?", arg)
}
return template;
}
function init() {
var db = getConnection();
if(!db) {
return false;
}
// Create channel table
var query = ["CREATE TABLE IF NOT EXISTS `channels` (",
"`id` INT NOT NULL AUTO_INCREMENT,",
"`name` VARCHAR(255) NOT NULL,",
"PRIMARY KEY(`id`))",
"ENGINE = MyISAM;"].join("");
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create 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,",
"PRIMARY KEY (`id`))",
"ENGINE = MyISAM;"].join("");
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create 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("");
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create global ban table");
}
refreshGlobalBans();
}
/* REGION Global Bans */
function checkGlobalBan(ip) {
const re = /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
var s16 = ip.replace(re, "$1.$2");
var s24 = ip.replace(re, "$1.$2.$3");
return (ip in global_bans ||
s16 in global_bans ||
s24 in global_bans);
}
function refreshGlobalBans() {
var db = getConnection();
if(!db) {
return;
}
var query = "SELECT * FROM `global_bans` WHERE 1";
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to load global bans");
}
var rows = results.fetchAllSync();
global_bans = {};
for(var i = 0; i < rows.length; i++) {
global_bans[rows[i].ip] = rows[i].note;
}
}
function globalBanIP(ip, reason) {
var db = getConnection();
if(!db) {
return;
}
var query = createQuery(
"INSERT INTO `global_bans` VALUES (?, ?)",
[ip, reason]
);
return db.querySync(query);
}
function globalUnbanIP(ip) {
var db = getConnection();
if(!db) {
return;
}
var query = createQuery(
"DELETE FROM `global_bans` WHERE ip=?",
[ip]
);
return db.querySync(query);
}
/* REGION Channel Registration/Loading */
function registerChannel(name) {
var db = getConnection();
if(!db) {
return false;
}
// Library table
var query = ["CREATE TABLE `?` (",
"`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("");
query = createQuery(query, ["chan_" + name + "_library"]);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create table: chan_"+name+"_library");
return false;
}
// Rank table
query = ["CREATE TABLE `?` (",
"`name` VARCHAR(32) NOT NULL,",
"`rank` INT NOT NULL,",
"UNIQUE (`name`))",
"ENGINE = MyISAM;"].join("");
query = createQuery(query, ["chan_" + name + "_ranks"]);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create table: chan_"+name+"_ranks");
return false;
}
// Ban table
query = ["CREATE TABLE `?` (",
"`ip` VARCHAR(15) NOT NULL,",
"`name` VARCHAR(32) NOT NULL,",
"`banner` VARCHAR(32) NOT NULL,",
"PRIMARY KEY (`ip`))",
"ENGINE = MyISAM;"].join("");
query = createQuery(query, ["chan_" + name + "_bans"]);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create table: chan_"+name+"_bans");
return false;
}
// Insert into channel table
query = createQuery(
"INSERT INTO `channels` VALUES (NULL, ?)",
[name]
);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to insert into channel table: " + name);
return false;
}
return true;
}
function loadChannel(chan) {
var db = getConnection();
if(!db) {
return;
}
var query = createQuery(
"SELECT * FROM `channels` WHERE name=?",
[chan.name]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to query channel table");
}
else {
var rows = results.fetchAllSync();
if(rows.length == 0) {
// Unregistered
Logger.syslog.log("Channel " + chan.name + " is unregistered");
return;
}
// Database is case insensitive
else if(rows[0].name != chan.name) {
chan.name = rows[0].name;
}
chan.registered = true;
}
// Load channel library
query = createQuery(
"SELECT * FROM `?`",
["chan_" + chan.name + "_library"]
);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to load channel library: " + chan.name);
}
else {
var rows = results.fetchAllSync();
for(var i = 0; i < rows.length; i++) {
var r = rows[i];
var m = new Media(r.id, r.title, r.seconds, r.type);
chan.library[r.id] = m;
}
}
// Load channel bans
query = createQuery(
"SELECT * FROM `?`",
["chan_" + chan.name + "_bans"]
);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to load channel bans: " + chan.name);
}
else {
var rows = results.fetchAllSync();
for(var i = 0; i < rows.length; i++) {
var r = rows[i];
if(r.ip == "*") {
chan.nameban[r.name] = r.banner;
}
else {
chan.ipbans[r.ip] = [r.name, r.banner];
}
}
}
chan.logger.log("*** Loaded channel from database");
Logger.syslog.log("Loaded channel " + chan.name + " from database");
}
function deleteChannel(name) {
if(!name.test(/[a-zA-Z0-9-_]+/)) {
return false;
}
var db = getConnection();
if(!db) {
return false;
}
var query = "DROP TABLE `chan_?_bans`, `chan_?_ranks`, `chan_?_library`"
.replace("?", name);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to delete channel tables for " + name);
return false;
}
query = createQuery(
"DELETE FROM `channels` WHERE name=?",
[name]
);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to delete row from channel table: " + name);
return false;
}
return true;
}
/* REGION Channel data */
function getChannelRank(chan, name) {
var db = getConnection();
if(!db) {
return 0;
}
var query;
if(typeof name == "object") {
var n = "(?";
for(var i = 1; i < name.length; i++) {
n += ",?";
}
n += ")"
name.unshift("chan_" + chan + "_ranks");
query = createQuery(
"SELECT * FROM `?` WHERE name IN " + n,
name
);
}
else {
query = createQuery(
"SELECT * FROM `?` WHERE name=?",
["chan_"+chan+"_ranks", name]
);
}
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to lookup chan_"+chan+"_ranks");
return 0;
}
var rows = results.fetchAllSync();
if(rows.length == 0) {
return 0;
}
return rows[0].rank;
}
function test() {
var db = getConnection();
var q = createQuery("INSERT INTO `?` VALUES (?, ?, ?, ?, ?, ?, ?, ?)", ["registrations", null, "bob2", "asdf", 1, "", 0, "", ""]);
console.log(q);
//console.log(db.querySync(q));
}
test();