CyTube/lib/database.js

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var mysql = require("mysql");
var hashlib = require("node_hash");
var bcrypt = require("bcrypt");
var $util = require("./utilities");
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var Logger = require("./logger");
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var pool = null;
var global_ipbans = {};
module.exports.init = function (cfg) {
pool = mysql.createPool({
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host: cfg["mysql-server"],
user: cfg["mysql-user"],
password: cfg["mysql-pw"],
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database: cfg["mysql-db"],
multipleStatements: true
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});
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// Test the connection
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pool.getConnection(function (err, conn) {
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if(err) {
Logger.errlog.log("! DB connection failed");
return;
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} else {
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// Refresh global IP bans
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module.exports.listGlobalBans();
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}
});
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global_ipbans = {};
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module.exports.users = require("./database/accounts");
module.exports.users.init();
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module.exports.channels = require("./database/channels");
module.exports.channels.init();
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};
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/**
* Execute a database query
*/
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module.exports.query = function (query, sub, callback) {
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// 2nd argument is optional
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if (typeof sub === "function") {
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callback = sub;
sub = false;
}
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if (typeof callback !== "function") {
callback = blackHole;
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}
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pool.getConnection(function (err, conn) {
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if (err) {
Logger.errlog.log("! DB connection failed: " + err);
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callback("Database failure", null);
} else {
function cback(err, res) {
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if (err) {
Logger.errlog.log("! DB query failed: " + query);
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if (sub) {
Logger.errlog.log("Substitutions: " + sub);
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}
Logger.errlog.log(err);
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callback("Database failure", null);
} else {
callback(null, res);
}
conn.end();
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}
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if (sub) {
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conn.query(query, sub, cback);
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} else {
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conn.query(query, cback);
}
}
});
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};
function blackHole() {
}
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module.exports.initGlobalTables = function () {
var fail = function (table) {
return function (err) {
if (err) {
Logger.errlog.log("Failed to initialize " + table);
}
};
};
var query = module.exports.query;
query("CREATE TABLE IF NOT EXISTS `global_bans` (" +
"`ip` VARCHAR(39) NOT NULL," +
"`reason` VARCHAR(255) NOT NULL," +
"PRIMARY KEY (`ip`, `name`)) " +
"CHARACTER SET utf8",
fail("global_bans"));
query("CREATE TABLE IF NOT EXISTS `password_reset` (" +
"`ip` VARCHAR(39) NOT NULL," +
"`name` VARCHAR(20) NOT NULL," +
"`hash` VARCHAR(64) NOT NULL," +
"`email` VARCHAR(255) NOT NULL," +
"`expire` BIGINT NOT NULL," +
"PRIMARY KEY (`name`))" +
"CHARACTER SET utf8",
fail("password_reset"));
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," +
"`duration` INT NOT NULL," +
"PRIMARY KEY (`user`, `name`))" +
"CHARACTER SET utf8",
fail("user_playlists"));
query("CREATE TABLE IF NOT EXISTS `aliases` (" +
"`visit_id` INT NOT NULL AUTO_INCREMENT," +
"`ip` VARCHAR(39) NOT NULL," +
"`name` VARCHAR(20) NOT NULL," +
"`time` BIGINT NOT NULL," +
"PRIMARY KEY (`visit_id`), INDEX (`ip`))",
fail("aliases"));
// TODO actionlog? or no?
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`))" +
"CHARACTER SET utf8",
fail("stats"));
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};
/* REGION global bans */
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/**
* Check if an IP address is globally banned
*/
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module.exports.isGlobalIPBanned = function (ip, callback) {
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if (typeof callback !== "function") {
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return;
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}
// TODO account for IPv6
// Also possibly just change this to allow arbitrary
// ranges instead of only /32, /24, /16
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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");
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var banned = ip in global_ipbans ||
s16 in global_ipbans ||
s24 in global_ipbans;
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callback(null, banned);
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};
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/**
* Retrieve all global bans from the database.
* Cache locally in global_bans
*/
module.exports.listGlobalBans = function (callback) {
if (typeof callback !== "function") {
callback = blackHole;
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}
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module.exports.query("SELECT * FROM global_bans WHERE 1", function (err, res) {
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if (err) {
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callback(err, null);
return;
}
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global_ipbans = {};
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for (var i = 0; i < res.length; i++) {
global_ipbans[res[i].ip] = res[i];
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}
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callback(null, global_ipbans);
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});
};
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/**
* Globally ban by IP
*/
module.exports.globalBanIP = function (ip, reason, callback) {
if (typeof callback !== "function") {
callback = blackHole;
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}
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var query = "INSERT INTO global_bans (ip, reason) VALUES (?, ?)" +
" ON DUPLICATE KEY UPDATE reason=?";
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module.exports.query(query, [ip, reason, reason], function (err, res) {
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if(err) {
callback(err, null);
return;
}
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module.exports.listGlobalBans();
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callback(null, res);
});
};
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/**
* Remove a global IP ban
*/
module.exports.globalUnbanIP = function (ip, callback) {
if (typeof callback !== "function") {
callback = blackHole;
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}
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var query = "DELETE FROM global_bans WHERE ip=?";
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module.exports.query(query, [ip], function (err, res) {
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if(err) {
callback(err, null);
return;
}
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module.exports.listGlobalBans();
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callback(null, res);
});
};
/* END REGION */
/* password recovery */
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/*
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module.exports.genPasswordReset = function (ip, name, email, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT email FROM registrations WHERE uname=?";
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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=?";
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module.exports.query(query, [ip, name, hash, email, expire, hash, expire],
function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, hash);
});
});
};
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module.exports.recoverUserPassword = function (hash, callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "SELECT * FROM password_reset WHERE hash=?";
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module.exports.query(query, [hash], function (err, res) {
if(err) {
callback(err, null);
return;
}
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if(res.length == 0) {
callback("Invalid password reset link", null);
return;
}
if(Date.now() > res[0].expire) {
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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;
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resetUserPassword(res[0].name, function (err, pw) {
if(err) {
callback(err, null);
return;
}
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module.exports.query("DELETE FROM password_reset WHERE hash=?", [hash]);
callback(null, {
name: name,
pw: pw
});
});
});
};
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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=?";
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module.exports.query(query, [data, name], function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, pw);
});
});
};
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*/
/* user playlists */
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/**
* Retrieve all of a user's playlists
*/
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module.exports.listUserPlaylists = function (name, callback) {
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if (typeof callback !== "function") {
return;
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}
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var query = "SELECT name, count, duration FROM user_playlists WHERE user=?";
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module.exports.query(query, [name], callback);
};
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/**
* Retrieve a user playlist by (user, name) pair
*/
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module.exports.getUserPlaylist = function (username, plname, callback) {
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if (typeof callback !== "function") {
return;
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}
var query = "SELECT contents FROM user_playlists WHERE " +
"user=? AND name=?";
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module.exports.query(query, [username, plname], function (err, res) {
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if (err) {
callback(err, null);
return;
}
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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);
});
};
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/**
* Saves a user playlist. Overwrites if the playlist keyed by
* (user, name) already exists
*/
module.exports.saveUserPlaylist = function (pl, username, plname, callback) {
if (typeof callback !== "function") {
callback = blackHole;
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}
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 (?, ?, ?, ?, ?) " +
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"ON DUPLICATE KEY UPDATE contents=?, count=?, duration=?";
var params = [username, plname, plText, count, time,
plText, count, time];
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module.exports.query(query, params, callback);
};
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/**
* Deletes a user playlist
*/
module.exports.deleteUserPlaylist = function (username, plname, callback) {
if (typeof callback !== "function") {
callback = blackHole;
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}
var query = "DELETE FROM user_playlists WHERE user=? AND name=?";
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module.exports.query(query, [username, plname], callback);
};
/* aliases */
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/**
* Records a user or guest login in the aliases table
*/
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module.exports.recordVisit = function (ip, name, callback) {
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if (typeof callback !== "function") {
callback = blackHole;
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}
var time = Date.now();
var query = "DELETE FROM aliases WHERE ip=? AND name=?;" +
"INSERT INTO aliases VALUES (NULL, ?, ?, ?)";
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module.exports.query(query, [ip, name, ip, name, time], callback);
};
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/**
* Deletes alias rows older than the given time
*/
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module.exports.cleanOldAliases = function (expiration, callback) {
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if (typeof callback === "undefined") {
callback = blackHole;
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}
var query = "DELETE FROM aliases WHERE time < ?";
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module.exports.query(query, [Date.now() - expiration], callback);
};
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/**
* Retrieves a list of aliases for an IP address
*/
module.exports.getAliases = function (ip, callback) {
if (typeof callback !== "function") {
return;
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}
var query = "SELECT name,time FROM aliases WHERE ip";
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// if the ip parameter is a /24 range, we want to match accordingly
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if(ip.match(/^\d+\.\d+\.\d+$/)) {
query += " LIKE ?";
ip += ".%";
} else {
query += "=?";
}
query += " ORDER BY time DESC LIMIT 5";
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module.exports.query(query, [ip], function (err, res) {
var names = null;
if(!err) {
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names = res.map(function (row) { return row.name; });
}
callback(err, names);
});
};
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/**
* Retrieves a list of IPs that a name as logged in from
*/
module.exports.getIPs = function (name, callback) {
if (typeof callback !== "function") {
return;
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}
var query = "SELECT ip FROM aliases WHERE name=?";
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module.exports.query(query, [name], function (err, res) {
var ips = null;
if(!err) {
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ips = res.map(function (row) { return row.ip; });
}
callback(err, ips);
});
};
/* END REGION */
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/* REGION action log */
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/*
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module.exports.recordAction = function (ip, name, action, args,
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callback) {
if(typeof callback !== "function")
callback = blackHole;
var query = "INSERT INTO actionlog (ip, name, action, args, time) " +
"VALUES (?, ?, ?, ?, ?)";
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module.exports.query(query, [ip, name, action, args, Date.now()], callback);
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};
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module.exports.clearActions = function (actions, callback) {
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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;
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module.exports.query(query, actions, callback);
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};
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module.exports.clearSingleAction = function (item, callback) {
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if(typeof callback !== "function")
callback = blackHole;
var query = "DELETE FROM actionlog WHERE ip=? AND time=?";
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module.exports.query(query, [item.ip, item.time], callback);
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};
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module.exports.recentRegistrationCount = function (ip, callback) {
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if(typeof callback !== "function")
return;
var query = "SELECT * FROM actionlog WHERE ip=? " +
"AND action='register-success' AND time > ?";
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module.exports.query(query, [ip, Date.now() - 48 * 3600 * 1000],
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function (err, res) {
if(err) {
callback(err, null);
return;
}
callback(null, res.length);
});
};
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module.exports.listActionTypes = function (callback) {
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if(typeof callback !== "function")
return;
var query = "SELECT DISTINCT action FROM actionlog";
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module.exports.query(query, function (err, res) {
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if(err) {
callback(err, null);
return;
}
var types = [];
res.forEach(function (row) {
types.push(row.action);
});
callback(null, types);
});
};
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module.exports.listActions = function (types, callback) {
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if(typeof callback !== "function")
return;
var list = [];
for(var i in types)
list.push("?");
var actionlist = "(" + list.join(",") + ")";
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var query = "SELECT * FROM actionlog WHERE action IN " + actionlist;
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module.exports.query(query, types, callback);
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};
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*/
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/* END REGION */
/* REGION stats */
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module.exports.addStatPoint = function (time, ucount, ccount, mem, callback) {
if (typeof callback !== "function") {
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callback = blackHole;
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}
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var query = "INSERT INTO stats VALUES (?, ?, ?, ?)";
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module.exports.query(query, [time, ucount, ccount, mem], callback);
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};
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module.exports.pruneStats = function (before, callback) {
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if (typeof callback !== "function") {
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callback = blackHole;
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}
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var query = "DELETE FROM stats WHERE time < ?";
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module.exports.query(query, [before], callback);
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};
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module.exports.listStats = function (callback) {
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if (typeof callback !== "function") {
return;
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}
var query = "SELECT * FROM stats ORDER BY time ASC";
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module.exports.query(query, callback);
};
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/* END REGION */