firebase-token-generator
Version:
A utility to generate signed Firebase Authentication Tokens
207 lines (202 loc) • 7.08 kB
JavaScript
goog.provide('CryptoJS');
/**
* CryptoJS v3.0.2 - HMAC-SHA256 Rollup
* code.google.com/p/crypto-js
* (c) 2009-2012 by Jeff Mott. All rights reserved.
* code.google.com/p/crypto-js/wiki/License
*/
CryptoJS = function(h, i) {
var e = {}, f = e.lib = {}, l = f.Base = function() {
function a() {
}
return{extend: function(j) {
a.prototype = this;
var d = new a;
j && d.mixIn(j);
d.$super = this;
return d;
}, create: function() {
var a = this.extend();
a.init.apply(a, arguments);
return a;
}, init: function() {
}, mixIn: function(a) {
for (var d in a)a.hasOwnProperty(d) && (this[d] = a[d]);
a.hasOwnProperty('toString') && (this.toString = a.toString);
}, clone: function() {
return this.$super.extend(this);
}};
}(), k = f.WordArray = l.extend({init: function(a, j) {
a =
this.words = a || [];
this.sigBytes = j != i ? j : 4 * a.length;
}, toString: function(a) {
return (a || m).stringify(this);
}, concat: function(a) {
var j = this.words, d = a.words, c = this.sigBytes, a = a.sigBytes;
this.clamp();
if (c % 4)for (var b = 0; b < a; b++)j[c + b >>> 2] |= (d[b >>> 2] >>> 24 - 8 * (b % 4) & 255) << 24 - 8 * ((c + b) % 4); else if (65535 < d.length)for (b = 0; b < a; b += 4)j[c + b >>> 2] = d[b >>> 2]; else j.push.apply(j, d);
this.sigBytes += a;
return this;
}, clamp: function() {
var a = this.words, b = this.sigBytes;
a[b >>> 2] &= 4294967295 << 32 - 8 * (b % 4);
a.length = h.ceil(b / 4);
}, clone: function() {
var a =
l.clone.call(this);
a.words = this.words.slice(0);
return a;
}, random: function(a) {
for (var b = [], d = 0; d < a; d += 4)b.push(4294967296 * h.random() | 0);
return k.create(b, a);
}}), o = e.enc = {}, m = o.Hex = {stringify: function(a) {
for (var b = a.words, a = a.sigBytes, d = [], c = 0; c < a; c++) {
var e = b[c >>> 2] >>> 24 - 8 * (c % 4) & 255;
d.push((e >>> 4).toString(16));
d.push((e & 15).toString(16));
}
return d.join('');
}, parse: function(a) {
for (var b = a.length, d = [], c = 0; c < b; c += 2)d[c >>> 3] |= parseInt(a.substr(c, 2), 16) << 24 - 4 * (c % 8);
return k.create(d, b / 2);
}}, q = o.Latin1 = {stringify: function(a) {
for (var b =
a.words, a = a.sigBytes, d = [], c = 0; c < a; c++)d.push(String.fromCharCode(b[c >>> 2] >>> 24 - 8 * (c % 4) & 255));
return d.join('');
}, parse: function(a) {
for (var b = a.length, d = [], c = 0; c < b; c++)d[c >>> 2] |= (a.charCodeAt(c) & 255) << 24 - 8 * (c % 4);
return k.create(d, b);
}}, r = o.Utf8 = {stringify: function(a) {
try {
return decodeURIComponent(escape(q.stringify(a)));
} catch (b) {
throw Error('Malformed UTF-8 data');
}
}, parse: function(a) {
return q.parse(unescape(encodeURIComponent(a)));
}}, b = f.BufferedBlockAlgorithm = l.extend({reset: function() {
this._data = k.create();
this._nDataBytes = 0;
}, _append: function(a) {
'string' == typeof a && (a = r.parse(a));
this._data.concat(a);
this._nDataBytes += a.sigBytes;
}, _process: function(a) {
var b = this._data, d = b.words, c = b.sigBytes, e = this.blockSize, g = c / (4 * e), g = a ? h.ceil(g) : h.max((g | 0) - this._minBufferSize, 0), a = g * e, c = h.min(4 * a, c);
if (a) {
for (var f = 0; f < a; f += e)this._doProcessBlock(d, f);
f = d.splice(0, a);
b.sigBytes -= c;
}
return k.create(f, c);
}, clone: function() {
var a = l.clone.call(this);
a._data = this._data.clone();
return a;
}, _minBufferSize: 0});
f.Hasher = b.extend({init: function() {
this.reset();
},
reset: function() {
b.reset.call(this);
this._doReset();
}, update: function(a) {
this._append(a);
this._process();
return this;
}, finalize: function(a) {
a && this._append(a);
this._doFinalize();
return this._hash;
}, clone: function() {
var a = b.clone.call(this);
a._hash = this._hash.clone();
return a;
}, blockSize: 16, _createHelper: function(a) {
return function(b, d) {
return a.create(d).finalize(b);
}
}, _createHmacHelper: function(a) {
return function(b, d) {
return g.HMAC.create(a, d).finalize(b);
}
}});
var g = e.algo = {};
return e;
}(Math);
(function(h) {
var i = CryptoJS, e = i.lib, f = e.WordArray, e = e.Hasher, l = i.algo, k = [], o = [];
(function() {
function e(a) {
for (var b = h.sqrt(a), d = 2; d <= b; d++)if (!(a % d))return!1;
return!0;
}
function f(a) {
return 4294967296 * (a - (a | 0)) | 0;
}
for (var b = 2, g = 0; 64 > g;)e(b) && (8 > g && (k[g] = f(h.pow(b, 0.5))), o[g] = f(h.pow(b, 1 / 3)), g++), b++;
})();
var m = [], l = l.SHA256 = e.extend({_doReset: function() {
this._hash = f.create(k.slice(0));
}, _doProcessBlock: function(e, f) {
for (var b = this._hash.words, g = b[0], a = b[1], j = b[2], d = b[3], c = b[4], h = b[5], l = b[6], k = b[7], n = 0; 64 >
n; n++) {
if (16 > n)m[n] = e[f + n] | 0; else {
var i = m[n - 15], p = m[n - 2];
m[n] = ((i << 25 | i >>> 7) ^ (i << 14 | i >>> 18) ^ i >>> 3) + m[n - 7] + ((p << 15 | p >>> 17) ^ (p << 13 | p >>> 19) ^ p >>> 10) + m[n - 16];
}
i = k + ((c << 26 | c >>> 6) ^ (c << 21 | c >>> 11) ^ (c << 7 | c >>> 25)) + (c & h ^ ~c & l) + o[n] + m[n];
p = ((g << 30 | g >>> 2) ^ (g << 19 | g >>> 13) ^ (g << 10 | g >>> 22)) + (g & a ^ g & j ^ a & j);
k = l;
l = h;
h = c;
c = d + i | 0;
d = j;
j = a;
a = g;
g = i + p | 0;
}
b[0] = b[0] + g | 0;
b[1] = b[1] + a | 0;
b[2] = b[2] + j | 0;
b[3] = b[3] + d | 0;
b[4] = b[4] + c | 0;
b[5] = b[5] + h | 0;
b[6] = b[6] + l | 0;
b[7] = b[7] + k | 0;
}, _doFinalize: function() {
var e = this._data, f = e.words, b = 8 * this._nDataBytes,
g = 8 * e.sigBytes;
f[g >>> 5] |= 128 << 24 - g % 32;
f[(g + 64 >>> 9 << 4) + 15] = b;
e.sigBytes = 4 * f.length;
this._process();
}});
i.SHA256 = e._createHelper(l);
i.HmacSHA256 = e._createHmacHelper(l);
})(Math);
(function() {
var h = CryptoJS, i = h.enc.Utf8;
h.algo.HMAC = h.lib.Base.extend({init: function(e, f) {
e = this._hasher = e.create();
'string' == typeof f && (f = i.parse(f));
var h = e.blockSize, k = 4 * h;
f.sigBytes > k && (f = e.finalize(f));
for (var o = this._oKey = f.clone(), m = this._iKey = f.clone(), q = o.words, r = m.words, b = 0; b < h; b++)q[b] ^= 1549556828, r[b] ^= 909522486;
o.sigBytes = m.sigBytes = k;
this.reset();
}, reset: function() {
var e = this._hasher;
e.reset();
e.update(this._iKey);
}, update: function(e) {
this._hasher.update(e);
return this;
}, finalize: function(e) {
var f =
this._hasher, e = f.finalize(e);
f.reset();
return f.finalize(this._oKey.clone().concat(e));
}});
})();