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feat: changed TOTP and base32 library to self-writed special for quick-js, fixed BigInt incompatibility

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Савелий Савенок 2024-11-13 02:30:53 +03:00
parent ab13957cb0
commit f16d7374f4
14 changed files with 147 additions and 328 deletions
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19
lib/base32/LICENSE.txt
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@ -1,19 +0,0 @@
Copyright (c) 2023, Chris Umbel, Lisoveliy
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

10
lib/base32/README.md
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@ -1,10 +0,0 @@
# base32
Implementation of RFC 3548 Base32 encoding/decoding for zepp quickjs.
## Usage
import {encode, decode} from 'base32/index.js'
base32.encode('node');
// output: NZXWIZI=
base32.decode('NZXWIZI=');
//output: node

23
lib/base32/index.js
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@ -1,23 +0,0 @@
/*
Copyright (c) 2023, Chris Umbel, Lisoveliy
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
export { encode, decode } from './lib/base32/base32.js'

128
lib/base32/lib/base32/base32.js
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@ -1,128 +0,0 @@
/*
Copyright (c) 2023, Chris Umbel, Lisoveliy
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
'use strict';
var charTable = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
var byteTable = [
0xff, 0xff, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff
];
function quintetCount(buff) {
var quintets = Math.floor(buff.length / 5);
return buff.length % 5 === 0 ? quintets : quintets + 1;
}
export function encode(plain) {
if (!Buffer.isBuffer(plain)) {
plain = new Buffer(plain);
}
var i = 0;
var j = 0;
var shiftIndex = 0;
var digit = 0;
var encoded = new Buffer(quintetCount(plain) * 8);
/* byte by byte isn't as pretty as quintet by quintet but tests a bit
faster. will have to revisit. */
while (i < plain.length) {
var current = plain[i];
if (shiftIndex > 3) {
digit = current & (0xff >> shiftIndex);
shiftIndex = (shiftIndex + 5) % 8;
digit = (digit << shiftIndex) | ((i + 1 < plain.length) ?
plain[i + 1] : 0) >> (8 - shiftIndex);
i++;
} else {
digit = (current >> (8 - (shiftIndex + 5))) & 0x1f;
shiftIndex = (shiftIndex + 5) % 8;
if (shiftIndex === 0) i++;
}
encoded[j] = charTable.charCodeAt(digit);
j++;
}
for (i = j; i < encoded.length; i++) {
encoded[i] = 0x3d; //'='.charCodeAt(0)
}
return encoded;
};
export function decode(encoded) {
var shiftIndex = 0;
var plainDigit = 0;
var plainChar;
var plainPos = 0;
if (!Buffer.isBuffer(encoded)) {
encoded = new Buffer(encoded);
}
var decoded = new Buffer(Math.ceil(encoded.length * 5 / 8));
/* byte by byte isn't as pretty as octet by octet but tests a bit
faster. will have to revisit. */
for (var i = 0; i < encoded.length; i++) {
if (encoded[i] === 0x3d) { //'='
break;
}
var encodedByte = encoded[i] - 0x30;
if (encodedByte < byteTable.length) {
plainDigit = byteTable[encodedByte];
if (shiftIndex <= 3) {
shiftIndex = (shiftIndex + 5) % 8;
if (shiftIndex === 0) {
plainChar |= plainDigit;
decoded[plainPos] = plainChar;
plainPos++;
plainChar = 0;
} else {
plainChar |= 0xff & (plainDigit << (8 - shiftIndex));
}
} else {
shiftIndex = (shiftIndex + 5) % 8;
plainChar |= 0xff & (plainDigit >>> shiftIndex);
decoded[plainPos] = plainChar;
plainPos++;
plainChar = 0xff & (plainDigit << (8 - shiftIndex));
}
} else {
throw new Error('Invalid input - it is not base32 encoded string');
}
}
return decoded.slice(0, plainPos);
};

12
lib/base32/package.json
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@ -1,12 +0,0 @@
{
"name": "base32",
"description": "Implementation RFC 3548 Base32 encoding/decoding for node.",
"version": "1.0.2-zepp",
"author": "Chris Umbel <chris@chrisumbel.com>",
"keywords": ["base32", "encoding"],
"main": "index.js",
"repository": {
"type": "git",
"url": "git://github.com/chrisumbel/thirty-two.git"
}
}

54
lib/totp-quickjs/OTPGenerator.js Normal file
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@ -0,0 +1,54 @@
import { decode } from "./base32decoder.js";
import jsSHA from "jssha";
"use bigint"
/**
* get HOTP based on counter
* @param {BigInt} counter BigInt counter of HOTP
* @param {string} secret base32 encoded string
* @param {number} [digits=6] number of digits in OTP token
* @param {string} [hashType='SHA-1'] type of hash (more in jsSHA documentation)
* @returns HOTP string
*/
export function getHOTP(counter, secret, digits = 6, hashType = 'SHA-1'){
//Stage 1: Prepare data
const rawDataCounter = new DataView(new ArrayBuffer(8))
rawDataCounter.setUint32(0, counter >> 32)
rawDataCounter.setUint32(4, counter)
const bCounter = new Uint8Array(rawDataCounter.buffer)
const bSecret = new Uint8Array(decode(secret).match(/.{1,2}/g).map(chunk => parseInt(chunk, 16))); //confirmed
//Stage 2: Hash data
const jssha = new jsSHA(hashType, 'UINT8ARRAY')
jssha.setHMACKey(bSecret, 'UINT8ARRAY')
jssha.update(bCounter)
const hmacResult = jssha.getHMAC('UINT8ARRAY') //confirmed
//Stage 3: Dynamic truncate
const offsetB = hmacResult[19] & 0xf;
const P = hmacResult.slice(offsetB, offsetB + 4)
P[0] = P[0] & 0x7f;
//Stage 4: Format string
let res = (new DataView(P.buffer).getInt32(0) % Math.pow(10, digits)).toString()
while(res.length < digits)
res = '0' + res;
return res;
}
/**
* get OTP based on current time
* @param {string} secret base32 encoded string
* @param {number} [digits=6] digits in OTP
* @param {number} [time=Date.now()] time for counter (default unix time epoch)
* @param {number} [fetchTime=30] period of token in seconds
* @param {number} [timeOffset=0] time offset for token in seconds
* @param {string} [hashType='SHA-1'] type of hash (more in jsSHA documentation)
* @returns TOTP string
*/
export function getTOTP(secret, digits = 6, time = Date.now(), fetchTime = 30, timeOffset = 0, hashType = 'SHA-1')
{
const unixTime = Math.round((time / 1000 + timeOffset) / fetchTime)
return getHOTP(BigInt(unixTime), secret, digits)
}

26
lib/totp-quickjs/base32decoder.js Normal file
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@ -0,0 +1,26 @@
export function decode(base32) {
for (
var base32chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",
bits = "",
hex = "",
i = 0;
i < base32.length;
i++
) {
var val = base32chars.indexOf(base32.charAt(i).toUpperCase());
bits += leftpad(val.toString(2), 5, "0");
}
for (i = 0; i + 4 <= bits.length; i += 4) {
var chunk = bits.substr(i, 4);
hex += parseInt(chunk, 2).toString(16);
}
return hex;
}
function leftpad(str, len, pad) {
return (
len + 1 >= str.length &&
(str = new Array(len + 1 - str.length).join(pad) + str),
str
);
}

61
lib/totp-quickjs/index.js Normal file
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@ -0,0 +1,61 @@
import { getHOTP } from "./OTPGenerator.js"
"use bigint"
/**
* TOTP instance
*/
export class TOTP{
/**
*
* @param {string} secret base32 encoded string
* @param {string} issuer issuer of TOTP
* @param {number} [digits=6] number of digits in OTP token
* @param {number} [fetchTime=30] period of token in seconds
* @param {number} [timeOffset=0] time offset for token in seconds
* @param {string} [hashType='SHA-1'] type of hash (more in jsSHA documentation)
*/
constructor(secret,
issuer,
digits = 6,
fetchTime = 30,
timeOffset = 0,
hashType = 'SHA-1')
{
this.secret = secret
this.issuer = issuer
this.digits = digits
this.fetchTime = fetchTime
this.timeOffset = timeOffset
this.hashType = hashType
}
/**
*
* @param {number} time time for counter (default unix time epoch)
* @returns OTP instance
*/
getOTP(time = Date.now()){
const unixTime = (time / 1000 + this.timeOffset) / this.fetchTime
const otp = getHOTP(Math.floor(unixTime), this.secret, this.digits)
const expireTime = time +
(this.fetchTime -
(time / 1000 + this.timeOffset) %
this.fetchTime) * 1000
return new OTP(otp, expireTime)
}
}
/**
* Class for TOTP.getOTP result
*/
export class OTP{
/**
*
* @param {string} otp OTP string
* @param {number} expireTime time in seconds to reset OTP
*/
constructor(otp, expireTime)
{
this.otp = otp
this.expireTime = expireTime
}
}

2
lib/totp.js/index.js
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@ -1,2 +0,0 @@
export { HOTP } from './lib/hotp.js'
export { TOTP } from './lib/totp.js'

72
lib/totp.js/lib/hotp.js
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@ -1,72 +0,0 @@
import { encode, decode } from '../../base32/index.js'
import jsSHA from 'jssha'
export class HOTP {
/**
*
* @param {string} key secret key
* @param {*} digit lenth of otp code
*/
constructor(key, digit = 6) {
this.key = key;
this.digit = digit;
}
static encode(data){
return encode(data)
}
/**
* generate secret key
* @param {int} len
*/
static randomKey(len = 16) {
const str = Math.random().toString(36);
return encode(str).toString().substr(0, len);
}
/**
* generate a OTP base on HMAC-SHA-1
* @param {int} movingFactor counter
*/
genOTP(movingFactor) {
const hmacSha = new jsSHA('SHA-1', 'BYTES');
hmacSha.setHMACKey(decode(this.key).toString(), 'BYTES');
const factorByte = this._factor2ByteText(movingFactor);
hmacSha.update(factorByte);
const hmac_result = hmacSha.getHMAC('BYTES');
return this._truncat(hmac_result);
}
/**
* verify a OPT code
* @param {string} opt opt code
* @param {int} movingFactor counter
*/
verify(opt, movingFactor) {
return opt === this.genOTP(movingFactor);
}
_truncat(hmac_result) {
const offset = hmac_result[19].charCodeAt() & 0xf;
const bin_code = (hmac_result[offset].charCodeAt() & 0x7f) << 24
| (hmac_result[offset + 1].charCodeAt() & 0xff) << 16
| (hmac_result[offset + 2].charCodeAt() & 0xff) << 8
| (hmac_result[offset + 3].charCodeAt() & 0xff);
let otp = (bin_code % 10 ** this.digit).toString();
while (otp.length < this.digit) {
otp = '0' + otp;
}
return otp;
}
_factor2ByteText(movingFactor) {
const text = new Array(8);
for (let i = text.length - 1; i >= 0; i--) {
text[i] = String.fromCharCode(movingFactor & 0xFF);
movingFactor >>= 8;
}
return text.join('');
}
}

16
lib/totp.js/lib/totp.js
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@ -1,16 +0,0 @@
import { HOTP } from "./hotp.js";
export class TOTP extends HOTP {
constructor(key) {
super(key)
}
genOTP(timeStep = 30, t0 = 0) {
const T = Math.floor((Date.now() / 1000 - t0) / timeStep);
return super.genOTP(T);
}
verify(otp, timeStep = 30, t0 = 0) {
return otp === this.genOTP(timeStep, t0);
}
}

32
lib/totp.js/package.json
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@ -1,32 +0,0 @@
{
"name": "totp.js",
"version": "1.0.1-zepp",
"description": "Two-factor authentication implementation in pure javascript. One-time password generator (HOTP/TOTP) with support for Google Authenticator. ",
"main": "index.js",
"scripts": {
"test": "./node_modules/.bin/mocha"
},
"repository": {
"type": "git",
"url": "git+https://github.com/wuyanxin/totp.js.git"
},
"keywords": [
"otp",
"hotp",
"totp",
"Two-factor authentication",
"Google authenticator"
],
"author": "wuyanxin",
"license": "MIT",
"bugs": {
"url": "https://github.com/wuyanxin/totp.js/issues"
},
"homepage": "https://github.com/wuyanxin/totp.js#readme",
"dependencies": {
"jssha": "^2.3.1"
},
"devDependencies": {
"mocha": "^5.0.4"
}
}

7
page/index.js
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@ -33,8 +33,9 @@ Page({
const buttonHeight = height / 4;
const margin = 10;
let totpHeight = margin;
for(let i = 0; i < buffer.length; i++){
console.log(buffer[i])
createWidget(widget.FILL_RECT, {
x: width / 2 - buttonWidth / 2,
y: totpHeight,
@ -53,7 +54,7 @@ Page({
align_h: align.CENTER_H,
align_v: align.CENTER_V,
text_style: text_style.NONE,
text: buffer[i].name
text: (buffer[i].expireTime - Date.now()) / 1000
})
createWidget(widget.TEXT, {
x: 0,
@ -65,7 +66,7 @@ Page({
align_h: align.CENTER_H,
align_v: align.CENTER_V,
text_style: text_style.NONE,
text: buffer[i].data
text: buffer[i].otp
})
totpHeight += margin + buttonHeight;

13
page/totplogic/totps.js
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@ -1,4 +1,4 @@
import { TOTP } from "../../lib/totp.js/lib/totp";
import { TOTP } from "../../lib/totp-quickjs";
export class TOTPBuffer{
constructor(){
@ -6,15 +6,6 @@ export class TOTPBuffer{
}
getTOTPs(){
return [new TOTPData("Contabo-Customer-Control-Panel-11755808: my.contabo.com", new TOTP(TOTP.encode('UU5WIIWKDNAHUNNL')).genOTP()),
new TOTPData("OTPData", new TOTP(TOTP.encode('LCHJZO23LT3Z2QYNYAYAJXH5HFDZ5YI2')).genOTP()),
new TOTPData("test", new TOTP(TOTP.encode('GAXHMZDEGJVG64LP')).genOTP())]
}
}
export class TOTPData{
constructor(name, data){
this.name = name;
this.data = data;
return [new TOTP('JBSWY3DPEHPK3PXP').getOTP()]
}
}