otplib/dist/index.global.js

TypeScript-first library for TOTP and HOTP with multi-runtime and plugin support

"use strict";var otplib=(()=>{var Ut=Object.defineProperty;var Wr=Object.getOwnPropertyDescriptor;var Xr=Object.getOwnPropertyNames;var Yr=Object.prototype.hasOwnProperty;var Kr=(t,e)=>{for(var r in e)Ut(t,r,{get:e[r],enumerable:!0})},Jr=(t,e,r,n)=>{if(e&&typeof e=="object"||typeof e=="function")for(let o of Xr(e))!Yr.call(t,o)&&o!==r&&Ut(t,o,{get:()=>e[o],enumerable:!(n=Wr(e,o))||n.enumerable});return t};var Qr=t=>Jr(Ut({},"__esModule",{value:!0}),t);var yn={};Kr(yn,{AlgorithmError:()=>ee,AlgorithmUnsupportedError:()=>V,HMACError:()=>U,HOTP:()=>je,NobleCryptoPlugin:()=>Ze,OTP:()=>Ht,ScureBase32Plugin:()=>We,TOTP:()=>Fe,createGuardrails:()=>y,generate:()=>At,generateSecret:()=>Fr,generateSync:()=>Pt,generateURI:()=>wt,stringToBytes:()=>ke,verify:()=>St,verifySync:()=>Ct,wrapResult:()=>Nt,wrapResultAsync:()=>Vt});var T=class extends Error{constructor(e,r){super(e,r),this.name="OTPError"}},ie=class extends T{constructor(e){super(e),this.name="SecretError"}},ae=class extends ie{constructor(e,r){super(`Secret must be at least ${e} bytes (${e*8} bits), got ${r} bytes`),this.name="SecretTooShortError"}},ce=class extends ie{constructor(e,r){super(`Secret must not exceed ${e} bytes, got ${r} bytes`),this.name="SecretTooLongError"}},Q=class extends T{constructor(e){super(e),this.name="CounterError"}},ue=class extends Q{constructor(){super("Counter must be non-negative"),this.name="CounterNegativeError"}},Z=class extends Q{constructor(){super("Counter exceeds maximum safe integer value"),this.name="CounterOverflowError"}},le=class extends Q{constructor(){super("Counter must be a finite integer"),this.name="CounterNotIntegerError"}},pe=class extends T{constructor(e){super(e),this.name="TimeError"}},fe=class extends pe{constructor(){super("Time must be non-negative"),this.name="TimeNegativeError"}},he=class extends pe{constructor(){super("Time must be a finite number"),this.name="TimeNotFiniteError"}},de=class extends T{constructor(e){super(e),this.name="PeriodError"}},ge=class extends de{constructor(e){super(`Period must be at least ${e} second(s)`),this.name="PeriodTooSmallError"}},xe=class extends de{constructor(e){super(`Period must not exceed ${e} seconds`),this.name="PeriodTooLargeError"}};var ee=class extends T{constructor(e){super(e),this.name="AlgorithmError"}},V=class extends ee{constructor(e,r={}){let{supported:n,plugin:o}=r;super("Unsupported hash algorithm."+(n?` Expected one of: ${n.join(", ")||"(none)"}`:"")+(o?` [plugin: ${o}]`:"")),this.name="AlgorithmUnsupportedError"}},me=class extends T{constructor(e){super(e),this.name="TokenError"}},ye=class extends me{constructor(e,r){super(`Token must be ${e} digits, got ${r}`),this.name="TokenLengthError"}},be=class extends me{constructor(){super("Token must contain only digits"),this.name="TokenFormatError"}},Te=class extends T{constructor(e,r){super(e,r),this.name="CryptoError"}},U=class extends Te{constructor(e,r){super(`HMAC computation failed: ${e}`,r),this.name="HMACError"}},Oe=class extends Te{constructor(e,r){super(`Random byte generation failed: ${e}`,r),this.name="RandomBytesError"}};var $=class extends T{constructor(e){super(e),this.name="CounterToleranceError"}},Ee=class extends ${constructor(e,r){super(`Counter tolerance validation failed: total checks (${r}) exceeds MAX_WINDOW (${e})`),this.name="CounterToleranceTooLargeError"}},we=class extends ${constructor(){super("Counter tolerance cannot contain negative values"),this.name="CounterToleranceNegativeError"}},j=class extends T{constructor(e){super(e),this.name="EpochToleranceError"}},Ae=class extends j{constructor(){super("Epoch tolerance cannot contain negative values"),this.name="EpochToleranceNegativeError"}},Pe=class extends j{constructor(e,r){super(`Epoch tolerance must not exceed ${e} seconds, got ${r}. 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rr{Ah=m[0]|0;Al=m[1]|0;Bh=m[2]|0;Bl=m[3]|0;Ch=m[4]|0;Cl=m[5]|0;Dh=m[6]|0;Dl=m[7]|0;Eh=m[8]|0;El=m[9]|0;Fh=m[10]|0;Fl=m[11]|0;Gh=m[12]|0;Gl=m[13]|0;Hh=m[14]|0;Hl=m[15]|0;constructor(){super(64)}};var $r=Ye(()=>new tr,Kt(1));var jr=Ye(()=>new nr,Kt(3));var zr={sha1:_r,sha256:$r,sha512:jr},mn=Object.freeze(Object.keys(zr)),Ze=class{name="noble";algorithms=mn;hmac(e,r,n){let o=A(e,{supported:this.algorithms,plugin:this.name});return Br(zr[o],r,n)}randomBytes(e){return Ir(e)}constantTimeEqual(e,r){return Dt(e,r)}},se=Object.freeze(new Ze);function Et(t){return{secret:t.secret,strategy:t.strategy??"totp",crypto:t.crypto??se,base32:t.base32??ne,algorithm:t.algorithm??"sha1",digits:t.digits??6,period:t.period??30,epoch:t.epoch??Math.floor(Date.now()/1e3),t0:t.t0??0,counter:t.counter,guardrails:t.guardrails??y(),hooks:t.hooks}}function or(t){return{...Et(t),token:t.token,epochTolerance:t.epochTolerance??0,counterTolerance:t.counterTolerance??0,afterTimeStep:t.afterTimeStep}}function et(t,e,r){if(t==="totp")return r.totp();if(t==="hotp"){if(e===void 0)throw new O("Counter is required for HOTP strategy. Example: { strategy: 'hotp', counter: 0 }");return r.hotp(e)}throw new O(`Unknown OTP strategy: ${t}. Valid strategies are 'totp' or 'hotp'.`)}function Fr(t){let{crypto:e=se,base32:r=ne,length:n=20}=t||{};return v({crypto:e,base32:r,length:n})}function wt(t){let{strategy:e="totp",issuer:r,label:n,secret:o,algorithm:s="sha1",digits:i=6,period:a=30,counter:c}=t;return et(e,c,{totp:()=>Ve({issuer:r,label:n,secret:o,algorithm:s,digits:i,period:a}),hotp:u=>$e({issuer:r,label:n,secret:o,algorithm:s,digits:i,counter:u})})}async function At(t){let e=Et(t),{secret:r,crypto:n,base32:o,algorithm:s,digits:i,hooks:a}=e,c={secret:r,crypto:n,base32:o,algorithm:s,digits:i,hooks:a};return et(e.strategy,e.counter,{totp:()=>qe({...c,period:e.period,epoch:e.epoch,t0:e.t0,guardrails:e.guardrails}),hotp:u=>X({...c,counter:u,guardrails:e.guardrails})})}function Pt(t){let e=Et(t),{secret:r,crypto:n,base32:o,algorithm:s,digits:i}=e,a={secret:r,crypto:n,base32:o,algorithm:s,digits:i};return et(e.strategy,e.counter,{totp:()=>zt({...a,period:e.period,epoch:e.epoch,t0:e.t0,guardrails:e.guardrails}),hotp:c=>ze({...a,counter:c,guardrails:e.guardrails})})}async function St(t){let e=or(t),{secret:r,token:n,crypto:o,base32:s,algorithm:i,digits:a,hooks:c}=e,u={secret:r,token:n,crypto:o,base32:s,algorithm:i,digits:a,hooks:c};return et(e.strategy,e.counter,{totp:()=>pt({...u,period:e.period,epoch:e.epoch,t0:e.t0,epochTolerance:e.epochTolerance,afterTimeStep:e.afterTimeStep,guardrails:e.guardrails}),hotp:l=>lt({...u,counter:l,counterTolerance:e.counterTolerance,guardrails:e.guardrails})})}function Ct(t){let e=or(t),{secret:r,token:n,crypto:o,base32:s,algorithm:i,digits:a,hooks:c}=e,u={secret:r,token:n,crypto:o,base32:s,algorithm:i,digits:a,hooks:c};return et(e.strategy,e.counter,{totp:()=>Pr({...u,period:e.period,epoch:e.epoch,t0:e.t0,epochTolerance:e.epochTolerance,afterTimeStep:e.afterTimeStep,guardrails:e.guardrails}),hotp:l=>Or({...u,counter:l,counterTolerance:e.counterTolerance,guardrails:e.guardrails})})}var Ht=class{strategy;crypto;base32;guardrails;constructor(e={}){let{strategy:r="totp",crypto:n=se,base32:o=ne,guardrails:s}=e;this.strategy=r,this.crypto=n,this.base32=o,this.guardrails=y(s)}getStrategy(){return this.strategy}generateSecret(e=20){return v({crypto:this.crypto,base32:this.base32,length:e})}async generate(e){return At({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}generateSync(e){return Pt({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}async verify(e){return St({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}verifySync(e){return Ct({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}generateURI(e){return wt({...e,strategy:this.strategy})}};return Qr(yn);})();
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@scure/base/index.js:
  (*! scure-base - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
*/
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