CyTube/database.js

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var mysql = require("mysql-libmysqlclient");
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var Logger = require("./logger");
var Media = require("./media").Media;
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var bcrypt = require("bcrypt");
var hashlib = require("node_hash");
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var db = false;
var SERVER = "";
var USER = "";
var DATABASE = "";
var PASSWORD = "";
var CONFIG = {};
var global_bans = {};
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function setup(cfg) {
SERVER = cfg.MYSQL_SERVER;
USER = cfg.MYSQL_USER;
DATABASE = cfg.MYSQL_DB;
PASSWORD = cfg.MYSQL_PASSWORD;
CONFIG = cfg;
}
function getConnection() {
if(db && db.connectedSync()) {
return db;
}
db = mysql.createConnectionSync();
db.connectSync(SERVER, USER, PASSWORD, DATABASE);
if(!db.connectedSync()) {
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//Logger.errlog.log("DB connection failed");
return false;
}
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if(CONFIG.DEBUG) {
db._querySync = db.querySync;
db.querySync = function(q) {
Logger.syslog.log("DEBUG: " + q);
return this._querySync(q);
}
}
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return db;
}
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function createQuery(template, args) {
var last = -1;
while(template.indexOf("?", last) >= 0) {
var idx = template.indexOf("?", last);
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";
}
var first = template.substring(0, idx);
template = first + template.substring(idx).replace("?", arg);
last = idx + (arg+"").length;
}
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return template;
}
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function init() {
var db = getConnection();
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if(!db) {
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return false;
}
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// 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("");
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var results = db.querySync(query);
if(!results) {
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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,",
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"`email` VARCHAR(255) NOT NULL,",
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"PRIMARY KEY (`id`))",
"ENGINE = MyISAM;"].join("");
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create registrations table");
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}
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// 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);
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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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// 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("");
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create password reset table");
}
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// 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,",
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"`count` INT NOT NULL,",
"`time` INT NOT NULL,",
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"PRIMARY KEY (`name`))",
"ENGINE = MyISAM;"].join("");
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to create playlist table");
}
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}
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/* 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.$3");
return (ip in global_bans ||
s16 in global_bans ||
s24 in global_bans);
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}
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function refreshGlobalBans() {
var db = getConnection();
if(!db) {
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return;
}
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var query = "SELECT * FROM `global_bans` WHERE 1";
var results = db.querySync(query);
if(!results) {
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Logger.errlog.log("! Failed to load global bans");
}
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else {
var rows = results.fetchAllSync();
global_bans = {};
for(var i = 0; i < rows.length; i++) {
global_bans[rows[i].ip] = rows[i].note;
}
}
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return global_bans;
}
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function globalBanIP(ip, reason) {
var db = getConnection();
if(!db) {
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return;
}
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var query = createQuery(
"INSERT INTO `global_bans` VALUES (?, ?)",
[ip, reason]
);
return db.querySync(query);
}
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function globalUnbanIP(ip) {
var db = getConnection();
if(!db) {
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return;
}
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var query = createQuery(
"DELETE FROM `global_bans` WHERE ip=?",
[ip]
);
return db.querySync(query);
}
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/* REGION Channel Registration/Loading */
function registerChannel(name) {
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if(!name.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
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if(!db) {
return false;
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}
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// 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"]);
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var results = db.querySync(query);
if(!results) {
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Logger.errlog.log("! Failed to create table: chan_"+name+"_library");
return false;
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}
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// 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;
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}
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// 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;
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}
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// Insert into channel table
query = createQuery(
"INSERT INTO `channels` VALUES (NULL, ?)",
[name]
);
results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to insert into channel table: " + name);
return false;
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}
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return true;
}
function loadChannel(chan) {
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if(!chan.name.match(/^[a-zA-Z0-9-_]+$/)) {
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return false;
}
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var db = getConnection();
if(!db) {
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return false;
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}
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var query = createQuery(
"SELECT * FROM `channels` WHERE name=?",
[chan.name]
);
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var results = db.querySync(query);
if(!results) {
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Logger.errlog.log("! Failed to query channel table");
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}
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else {
var rows = results.fetchAllSync();
if(rows.length == 0) {
// Unregistered
Logger.syslog.log("Channel " + chan.name + " is unregistered");
return;
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}
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// 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 == "*") {
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chan.namebans[r.name] = r.banner;
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}
else {
chan.ipbans[r.ip] = [r.name, r.banner];
}
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}
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}
chan.logger.log("*** Loaded channel from database");
Logger.syslog.log("Loaded channel " + chan.name + " from database");
}
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function deleteChannel(name) {
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if(!name.match(/^[a-zA-Z0-9-_]+$/)) {
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return false;
}
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var db = getConnection();
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if(!db) {
return false;
}
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var query = "DROP TABLE `chan_?_bans`, `chan_?_ranks`, `chan_?_library`"
.replace(/\?/g, name);
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var results = db.querySync(query);
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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query = createQuery(
"DELETE FROM `channels` WHERE name=?",
[name]
);
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results = db.querySync(query);
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if(!results) {
Logger.errlog.log("! Failed to delete row from channel table: " + name);
return false;
}
return true;
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}
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/* REGION Channel data */
function getChannelRank(chan, name) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
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if(!db) {
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return 0;
}
var query;
if(typeof name == "object") {
var n = "(?";
for(var i = 1; i < name.length; i++) {
n += ",?";
}
n += ")"
name.unshift("chan_" + chan + "_ranks");
query = createQuery(
"SELECT * FROM `?` WHERE name IN " + n,
name
);
}
else {
query = createQuery(
"SELECT * FROM `?` WHERE name=?",
["chan_"+chan+"_ranks", name]
);
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}
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var results = db.querySync(query);
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if(!results) {
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Logger.errlog.log("! Failed to lookup chan_"+chan+"_ranks");
return 0;
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}
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var rows = results.fetchAllSync();
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if(typeof name == "object") {
var ranks = [];
for(var i = 0; i < rows.length; i++) {
ranks.push(rows[i].rank);
}
while(ranks.length < rows.length) {
ranks.push(0);
}
return ranks;
}
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if(rows.length == 0) {
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return 0;
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}
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return rows[0].rank;
}
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function setChannelRank(chan, name, rank) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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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 = createQuery(
["INSERT INTO `?` ",
"(`name`, `rank`) ",
"VALUES ",
"(?, ?) ",
"ON DUPLICATE KEY UPDATE ",
"`rank`=?"].join(""),
["chan_"+chan+"_ranks", name, rank, rank]
);
return db.querySync(query);
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}
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function listChannelRanks(chan) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
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return [];
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}
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var db = getConnection();
if(!db) {
return [];
}
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var query = createQuery(
"SELECT * FROM `?` WHERE 1",
["chan_"+chan+"_ranks"]
);
var results = db.querySync(query);
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if(!results) {
return [];
}
return results.fetchAllSync();
}
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function addToLibrary(chan, media) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
if(!db) {
return false;
}
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var query = createQuery(
["INSERT INTO `?` ",
"(`id`, `title`, `seconds`, `type`) ",
"VALUES ",
"(?, ?, ?, ?)"].join(""),
["chan_"+chan+"_library", media.id, media.title, media.seconds, media.type]
);
return db.querySync(query);
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}
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function removeFromLibrary(chan, id) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
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if(!db) {
return false;
}
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var query = createQuery(
"DELETE FROM `?` WHERE id=?",
["chan_"+chan+"_library", id]
);
return db.querySync(query);
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}
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function channelBan(chan, ip, name, banby) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
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if(!db) {
return false;
}
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var query = createQuery(
["INSERT INTO `?` ",
"(`ip`, `name`, `banner`) ",
"VALUES ",
"(?, ?, ?)"].join(""),
["chan_"+chan+"_bans", ip, name, banby]
);
return db.querySync(query);
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}
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function channelUnbanIP(chan, ip) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
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if(!db) {
return false;
}
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var query = createQuery(
"DELETE FROM `?` WHERE `ip`=?",
["chan_"+chan+"_bans", ip]
);
return db.querySync(query);
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}
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function channelUnbanName(chan, name) {
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if(!chan.match(/^[a-zA-Z0-9-_]+$/)) {
return false;
}
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var db = getConnection();
if(!db) {
return false;
}
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var query = createQuery(
"DELETE FROM `?` WHERE `ip`='*' AND `name`=?",
["chan_"+chan+"_bans", name]
);
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return db.querySync(query);
}
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/* REGION Users */
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function getProfile(name) {
var db = getConnection();
if(!db) {
return false;
}
var query = createQuery(
"SELECT profile_image,profile_text FROM registrations WHERE uname=?",
[name]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to retrieve user profile");
throw "Database failure. Contact an administrator.";
}
var rows = results.fetchAllSync();
if(rows.length == 0) {
throw "User not found";
}
return {
profile_image: rows[0].profile_image,
profile_text: rows[0].profile_text
};
}
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function setProfile(name, data) {
var db = getConnection();
if(!db) {
return false;
}
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var query = createQuery(
["UPDATE `registrations` SET ",
"`profile_image`=?,",
"`profile_text`=? ",
"WHERE uname=?"].join(""),
[data.image, data.text, name]
);
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return db.querySync(query);
}
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function setUserEmail(name, email) {
var db = getConnection();
if(!db) {
return false;
}
var query = createQuery(
"UPDATE `registrations` SET `email`=? WHERE `uname`=?",
[email, name]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to set user email");
return false;
}
return true;
}
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function generatePasswordReset(ip, name, email) {
var db = getConnection();
if(!db) {
return false;
}
var query = createQuery(
"SELECT `email` FROM `registrations` WHERE `uname`=?",
[name]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to retrieve user email");
return false;
}
var rows = results.fetchAllSync();
if(rows.length == 0) {
throw "Provided username does not exist";
}
if(rows[0].email != email) {
throw "Provided email does not match user's email";
}
// Validation complete, now time to reset it
var hash = hashlib.sha256(Date.now() + name);
var exp = Date.now() + 24*60*60*1000;
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query = createQuery(
["INSERT INTO `password_reset` (",
"`ip`, `name`, `hash`, `email`, `expire`",
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") VALUES (",
"?, ?, ?, ?, ?",
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") ON DUPLICATE KEY UPDATE `hash`=?,`expire`=?"].join(""),
[ip, name, hash, email, exp, hash, exp]
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);
results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to insert password reset");
return false;
}
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return hash;
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}
function recoverPassword(hash) {
var db = getConnection();
if(!db) {
return false;
}
var query = createQuery(
"SELECT * FROM password_reset WHERE hash=?",
[hash]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to retrieve from password_reset");
throw "Database error. Contact an administrator";
}
var rows = results.fetchAllSync();
if(rows.length == 0) {
throw "Invalid password reset link";
}
db.querySync(createQuery(
"DELETE FROM password_reset WHERE hash=?",
[hash]
));
if(Date.now() > rows[0].expire) {
throw "Link expired. Password resets are valid for 24 hours";
}
var pw;
if(!(pw = resetPassword(rows[0].name))) {
throw "Operation failed. Contact an administrator.";
}
return [rows[0].name, pw];
}
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function resetPassword(name) {
var db = getConnection();
if(!db) {
return false;
}
var pw = "";
for(var i = 0; i < 10; i++) {
pw += "abcdefghijklmnopqrstuvwxyz"[parseInt(Math.random() * 25)];
}
var hash = bcrypt.hashSync(pw, 10);
var query = createQuery(
"UPDATE `registrations` SET `pw`=? WHERE `uname`=?",
[hash, name]
);
var results = db.querySync(query);
if(!results) {
return false;
}
return pw;
}
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/* REGION User Playlists */
function getUserPlaylists(user) {
var db = getConnection();
if(!db) {
[];
}
var query = createQuery(
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"SELECT name,count,time FROM user_playlists WHERE user=?",
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[user]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to query user playlists");
return [];
}
return results.fetchAllSync();
}
function loadUserPlaylist(user, name) {
var db = getConnection();
if(!db) {
[];
}
var query = createQuery(
"SELECT contents FROM user_playlists WHERE user=? AND name=?",
[user, name]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to query playlists");
return [];
}
var row = results.fetchAllSync()[0];
var pl;
try {
pl = JSON.parse(row.contents);
}
catch(e) {
Logger.errlog.log("! Failed to load playlist "+user+"."+name);
return [];
}
return pl;
}
function saveUserPlaylist(pl, user, name) {
var db = getConnection();
if(!db) {
return false;
}
// Strip out unnecessary data
var pl2 = [];
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var time = 0;
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for(var i = 0; i < pl.length; i++) {
var e = {
id: pl[i].id,
type: pl[i].type
};
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time += pl[i].seconds;
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pl2.push(e);
}
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var count = pl2.length;
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var plstr = JSON.stringify(pl2);
var query = createQuery(
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"INSERT INTO user_playlists VALUES (?, ?, ?, ?, ?)" +
"ON DUPLICATE KEY UPDATE contents=?,count=?,time=?",
[user, name, plstr, count, time, plstr, count, time]
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);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to insert into playlists");
return false;
}
return true;
}
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function deleteUserPlaylist(user, name) {
var db = getConnection();
if(!db) {
return false;
}
var query = createQuery(
"DELETE FROM user_playlists WHERE user=? AND name=?",
[user, name]
);
var results = db.querySync(query);
if(!results) {
Logger.errlog.log("! Failed to delete from user_playlists");
}
return results;
}
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exports.setup = setup;
exports.getConnection = getConnection;
exports.createQuery = createQuery;
exports.init = init;
exports.checkGlobalBan = checkGlobalBan;
exports.refreshGlobalBans = refreshGlobalBans;
exports.globalBanIP = globalBanIP;
exports.globalUnbanIP = globalUnbanIP;
exports.registerChannel = registerChannel;
exports.loadChannel = loadChannel;
exports.deleteChannel = deleteChannel;
exports.getChannelRank = getChannelRank;
exports.setChannelRank = setChannelRank;
exports.listChannelRanks = listChannelRanks;
exports.addToLibrary = addToLibrary;
exports.removeFromLibrary = removeFromLibrary;
exports.channelBan = channelBan;
exports.channelUnbanIP = channelUnbanIP;
exports.channelUnbanName = channelUnbanName;
exports.setProfile = setProfile;
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exports.getProfile = getProfile;
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exports.setUserEmail = setUserEmail;
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exports.generatePasswordReset = generatePasswordReset;
exports.recoverPassword = recoverPassword;
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exports.resetPassword = resetPassword;
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exports.getUserPlaylists = getUserPlaylists;
exports.loadUserPlaylist = loadUserPlaylist;
exports.saveUserPlaylist = saveUserPlaylist;
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exports.deleteUserPlaylist = deleteUserPlaylist;