mirror of https://github.com/calzoneman/sync.git
208 lines
5.1 KiB
JavaScript
208 lines
5.1 KiB
JavaScript
var crypto = require("crypto");
|
|
|
|
/*
|
|
Set prototype- simple wrapper around JS objects to
|
|
manipulate them like a set
|
|
*/
|
|
var Set = function (items) {
|
|
this._items = {};
|
|
var self = this;
|
|
if (items instanceof Array)
|
|
items.forEach(function (it) { self.add(it); });
|
|
};
|
|
|
|
Set.prototype.contains = function (what) {
|
|
return (what in this._items);
|
|
};
|
|
|
|
Set.prototype.add = function (what) {
|
|
this._items[what] = true;
|
|
};
|
|
|
|
Set.prototype.remove = function (what) {
|
|
if (what in this._items)
|
|
delete this._items[what];
|
|
};
|
|
|
|
Set.prototype.clear = function () {
|
|
this._items = {};
|
|
};
|
|
|
|
Set.prototype.forEach = function (fn) {
|
|
for (var k in this._items) {
|
|
fn(k);
|
|
}
|
|
};
|
|
|
|
module.exports = {
|
|
isValidChannelName: function (name) {
|
|
return name.match(/^[\w-]{1,30}$/);
|
|
},
|
|
|
|
isValidUserName: function (name) {
|
|
return name.match(/^[\w-]{1,20}$/);
|
|
},
|
|
|
|
isValidEmail: function (email) {
|
|
if (email.length > 255) {
|
|
return false;
|
|
}
|
|
|
|
if (!email.match(/^[^@]+?@[^@]+$/)) {
|
|
return false;
|
|
}
|
|
|
|
if (email.match(/^[^@]+?@(localhost|127\.0\.0\.1)$/)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
randomSalt: function (length) {
|
|
var chars = "abcdefgihjklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
+ "0123456789!@#$%^&*_+=~";
|
|
var salt = [];
|
|
for(var i = 0; i < length; i++) {
|
|
salt.push(chars[parseInt(Math.random()*chars.length)]);
|
|
}
|
|
return salt.join('');
|
|
},
|
|
|
|
maskIP: function (ip) {
|
|
if(ip.match(/^\d+\.\d+\.\d+\.\d+$/)) {
|
|
// standard 32 bit IP
|
|
return ip.replace(/\d+\.\d+\.(\d+\.\d+)/, "x.x.$1");
|
|
} else if(ip.match(/^\d+\.\d+\.\d+/)) {
|
|
// /24 range
|
|
return ip.replace(/\d+\.\d+\.(\d+)/, "x.x.$1.*");
|
|
}
|
|
},
|
|
|
|
formatTime: function (sec) {
|
|
if(sec === "--:--")
|
|
return sec;
|
|
|
|
sec = Math.floor(+sec);
|
|
var h = "", m = "", s = "";
|
|
|
|
if(sec >= 3600) {
|
|
h = "" + Math.floor(sec / 3600);
|
|
if(h.length < 2)
|
|
h = "0" + h;
|
|
sec %= 3600;
|
|
}
|
|
|
|
m = "" + Math.floor(sec / 60);
|
|
if(m.length < 2)
|
|
m = "0" + m;
|
|
|
|
s = "" + (sec % 60);
|
|
if(s.length < 2)
|
|
s = "0" + s;
|
|
|
|
if(h === "")
|
|
return [m, s].join(":");
|
|
|
|
return [h, m, s].join(":");
|
|
},
|
|
|
|
newRateLimiter: function () {
|
|
return {
|
|
count: 0,
|
|
lastTime: 0,
|
|
throttle: function (opts) {
|
|
if (typeof opts === "undefined")
|
|
opts = {};
|
|
|
|
var burst = +opts.burst,
|
|
sustained = +opts.sustained,
|
|
cooldown = +opts.cooldown;
|
|
|
|
if (isNaN(burst))
|
|
burst = 10;
|
|
|
|
if (isNaN(sustained))
|
|
sustained = 2;
|
|
|
|
if (isNaN(cooldown))
|
|
cooldown = burst / sustained;
|
|
|
|
// Cooled down, allow and clear buffer
|
|
if (this.lastTime < Date.now() - cooldown*1000) {
|
|
this.count = 1;
|
|
this.lastTime = Date.now();
|
|
return false;
|
|
}
|
|
|
|
// Haven't reached burst cap yet, allow
|
|
if (this.count < burst) {
|
|
this.count++;
|
|
this.lastTime = Date.now();
|
|
return false;
|
|
}
|
|
|
|
var diff = Date.now() - this.lastTime;
|
|
if (diff < 1000/sustained)
|
|
return true;
|
|
|
|
this.lastTime = Date.now();
|
|
return false;
|
|
}
|
|
};
|
|
},
|
|
|
|
formatLink: function (id, type) {
|
|
switch (type) {
|
|
case "yt":
|
|
return "http://youtu.be/" + id;
|
|
case "vi":
|
|
return "http://vimeo.com/" + id;
|
|
case "dm":
|
|
return "http://dailymotion.com/video/" + id;
|
|
case "sc":
|
|
return id;
|
|
case "li":
|
|
return "http://livestream.com/" + id;
|
|
case "tw":
|
|
return "http://twitch.tv/" + id;
|
|
case "jt":
|
|
return "http://justin.tv/" + id;
|
|
case "rt":
|
|
return id;
|
|
case "jw":
|
|
return id;
|
|
case "im":
|
|
return "http://imgur.com/a/" + id;
|
|
case "us":
|
|
return "http://ustream.tv/" + id;
|
|
default:
|
|
return "";
|
|
}
|
|
},
|
|
|
|
isLive: function (type) {
|
|
switch (type) {
|
|
case "li":
|
|
case "tw":
|
|
case "jt":
|
|
case "us":
|
|
case "rt":
|
|
case "cu":
|
|
case "im":
|
|
case "jw":
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
},
|
|
|
|
Set: Set,
|
|
|
|
sha1: function (data) {
|
|
var shasum = crypto.createHash("sha1");
|
|
shasum.update(data);
|
|
return shasum.digest("hex");
|
|
}
|
|
};
|