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

lib/totp-quickjs/index.js

@@ -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
+    }
+}