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
This commit is contained in:
calzoneman
parent
486c6f7c8a
commit
a6af5a2440
377
database-new.js
Normal file
377
database-new.js
Normal file
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@ -0,0 +1,377 @@
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var mysql = require("mysql-libmysqlclient");
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var Config = require("./config");
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var Logger = require("./logger");
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var db = false;
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function getConnection() {
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if(db && db.connectedSync()) {
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return db;
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}
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db = mysql.createConnectionSync();
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db.connectSync(Config.MYSQL_SERVER, Config.MYSQL_USER,
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Config.MYSQL_PASSWORD, Config.MYSQL_DB);
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if(!db.connectedSync()) {
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//Logger.errlog.log("DB connection failed");
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return false;
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}
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if(Config.DEBUG) {
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db._querySync = db.querySync;
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db.querySync = function(q) {
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Logger.syslog.log("DEBUG: " + q);
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this._querySync(q);
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}
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}
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return db;
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}
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function createQuery(template, args) {
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while(template.indexOf("?") >= 0) {
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var idx = template.indexOf("?");
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var arg = args.shift();
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if(typeof arg == "string") {
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arg = arg.replace(/([\'])/g, "\\$1");
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if(idx == 0 || template[idx-1] != "`") {
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arg = "'" + arg + "'";
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}
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}
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if(arg === null || arg === undefined) {
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arg = "NULL";
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}
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template = template.replace("?", arg)
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}
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return template;
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}
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function init() {
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var db = getConnection();
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if(!db) {
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return false;
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}
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// Create channel table
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var query = ["CREATE TABLE IF NOT EXISTS `channels` (",
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"`id` INT NOT NULL AUTO_INCREMENT,",
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"`name` VARCHAR(255) NOT NULL,",
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"PRIMARY KEY(`id`))",
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"ENGINE = MyISAM;"].join("");
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to create channels table");
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}
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// Create registration table
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query = ["CREATE TABLE IF NOT EXISTS `registrations` (",
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"`id` INT NOT NULL AUTO_INCREMENT,",
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"`uname` VARCHAR(20) NOT NULL,",
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"`pw` VARCHAR(64) NOT NULL,",
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"`global_rank` INT NOT NULL,",
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"`session_hash` VARCHAR(64) NOT NULL,",
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"`expire` BIGINT NOT NULL,",
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"`profile_image` VARCHAR(255) NOT NULL,",
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"`profile_text` TEXT NOT NULL,",
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"PRIMARY KEY (`id`))",
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"ENGINE = MyISAM;"].join("");
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to create registrations table");
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}
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// Create global bans table
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query = ["CREATE TABLE IF NOT EXISTS `global_bans` (",
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"`ip` VARCHAR(15) NOT NULL,",
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"`note` VARCHAR(255) NOT NULL,",
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"PRIMARY KEY (`ip`))",
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"ENGINE = MyISAM;"].join("");
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to create global ban table");
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}
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refreshGlobalBans();
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}
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/* REGION Global Bans */
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function checkGlobalBan(ip) {
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const re = /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
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var s16 = ip.replace(re, "$1.$2");
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var s24 = ip.replace(re, "$1.$2.$3");
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return (ip in global_bans ||
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s16 in global_bans ||
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s24 in global_bans);
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}
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function refreshGlobalBans() {
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var db = getConnection();
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if(!db) {
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return;
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}
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var query = "SELECT * FROM `global_bans` WHERE 1";
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to load global bans");
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}
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var rows = results.fetchAllSync();
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global_bans = {};
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for(var i = 0; i < rows.length; i++) {
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global_bans[rows[i].ip] = rows[i].note;
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}
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}
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function globalBanIP(ip, reason) {
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var db = getConnection();
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if(!db) {
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return;
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}
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var query = createQuery(
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"INSERT INTO `global_bans` VALUES (?, ?)",
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[ip, reason]
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);
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return db.querySync(query);
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}
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function globalUnbanIP(ip) {
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var db = getConnection();
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if(!db) {
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return;
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}
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var query = createQuery(
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"DELETE FROM `global_bans` WHERE ip=?",
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[ip]
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);
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return db.querySync(query);
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}
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/* REGION Channel Registration/Loading */
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function registerChannel(name) {
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var db = getConnection();
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if(!db) {
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return false;
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}
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// Library table
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var query = ["CREATE TABLE `?` (",
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"`id` VARCHAR(255) NOT NULL,",
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"`title` VARCHAR(255) NOT NULL,",
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"`seconds` INT NOT NULL,",
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"`type` VARCHAR(2) NOT NULL,",
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"PRIMARY KEY (`id`))",
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"ENGINE = MyISAM;"].join("");
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query = createQuery(query, ["chan_" + name + "_library"]);
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to create table: chan_"+name+"_library");
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return false;
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}
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// Rank table
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query = ["CREATE TABLE `?` (",
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"`name` VARCHAR(32) NOT NULL,",
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"`rank` INT NOT NULL,",
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"UNIQUE (`name`))",
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"ENGINE = MyISAM;"].join("");
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query = createQuery(query, ["chan_" + name + "_ranks"]);
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to create table: chan_"+name+"_ranks");
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return false;
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}
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// Ban table
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query = ["CREATE TABLE `?` (",
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"`ip` VARCHAR(15) NOT NULL,",
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"`name` VARCHAR(32) NOT NULL,",
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"`banner` VARCHAR(32) NOT NULL,",
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"PRIMARY KEY (`ip`))",
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"ENGINE = MyISAM;"].join("");
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query = createQuery(query, ["chan_" + name + "_bans"]);
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to create table: chan_"+name+"_bans");
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return false;
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}
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// Insert into channel table
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query = createQuery(
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"INSERT INTO `channels` VALUES (NULL, ?)",
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[name]
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);
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to insert into channel table: " + name);
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return false;
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}
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return true;
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}
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function loadChannel(chan) {
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var db = getConnection();
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if(!db) {
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return;
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}
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var query = createQuery(
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"SELECT * FROM `channels` WHERE name=?",
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[chan.name]
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);
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to query channel table");
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}
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else {
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var rows = results.fetchAllSync();
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if(rows.length == 0) {
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// Unregistered
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Logger.syslog.log("Channel " + chan.name + " is unregistered");
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return;
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}
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// Database is case insensitive
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else if(rows[0].name != chan.name) {
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chan.name = rows[0].name;
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}
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chan.registered = true;
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}
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// Load channel library
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query = createQuery(
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"SELECT * FROM `?`",
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["chan_" + chan.name + "_library"]
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);
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to load channel library: " + chan.name);
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}
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else {
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var rows = results.fetchAllSync();
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for(var i = 0; i < rows.length; i++) {
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var r = rows[i];
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var m = new Media(r.id, r.title, r.seconds, r.type);
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chan.library[r.id] = m;
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}
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}
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// Load channel bans
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query = createQuery(
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"SELECT * FROM `?`",
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["chan_" + chan.name + "_bans"]
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);
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to load channel bans: " + chan.name);
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}
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else {
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var rows = results.fetchAllSync();
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for(var i = 0; i < rows.length; i++) {
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var r = rows[i];
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if(r.ip == "*") {
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chan.nameban[r.name] = r.banner;
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}
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else {
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chan.ipbans[r.ip] = [r.name, r.banner];
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}
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}
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}
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chan.logger.log("*** Loaded channel from database");
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Logger.syslog.log("Loaded channel " + chan.name + " from database");
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}
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function deleteChannel(name) {
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if(!name.test(/[a-zA-Z0-9-_]+/)) {
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return false;
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}
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var db = getConnection();
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if(!db) {
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return false;
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}
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var query = "DROP TABLE `chan_?_bans`, `chan_?_ranks`, `chan_?_library`"
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.replace("?", name);
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to delete channel tables for " + name);
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return false;
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}
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query = createQuery(
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"DELETE FROM `channels` WHERE name=?",
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[name]
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);
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results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to delete row from channel table: " + name);
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return false;
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}
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return true;
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}
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/* REGION Channel data */
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function getChannelRank(chan, name) {
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var db = getConnection();
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if(!db) {
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return 0;
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}
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var query;
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if(typeof name == "object") {
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var n = "(?";
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for(var i = 1; i < name.length; i++) {
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n += ",?";
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}
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n += ")"
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name.unshift("chan_" + chan + "_ranks");
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query = createQuery(
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"SELECT * FROM `?` WHERE name IN " + n,
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name
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);
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}
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else {
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query = createQuery(
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"SELECT * FROM `?` WHERE name=?",
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["chan_"+chan+"_ranks", name]
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);
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}
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to lookup chan_"+chan+"_ranks");
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return 0;
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}
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var rows = results.fetchAllSync();
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if(rows.length == 0) {
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return 0;
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}
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return rows[0].rank;
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}
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function test() {
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var db = getConnection();
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var q = createQuery("INSERT INTO `?` VALUES (?, ?, ?, ?, ?, ?, ?, ?)", ["registrations", null, "bob2", "asdf", 1, "", 0, "", ""]);
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console.log(q);
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//console.log(db.querySync(q));
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}
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test();
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