otplib/dist/index.global.js

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

"use strict";var otplib=(()=>{var Rt=Object.defineProperty;var Nr=Object.getOwnPropertyDescriptor;var $r=Object.getOwnPropertyNames;var qr=Object.prototype.hasOwnProperty;var Fr=(t,e)=>{for(var r in e)Rt(t,r,{get:e[r],enumerable:!0})},jr=(t,e,r,o)=>{if(e&&typeof e=="object"||typeof e=="function")for(let n of $r(e))!qr.call(t,n)&&n!==r&&Rt(t,n,{get:()=>e[n],enumerable:!(o=Nr(e,n))||o.enumerable});return t};var Wr=t=>jr(Rt({},"__esModule",{value:!0}),t);var un={};Fr(un,{HOTP:()=>Ne,NobleCryptoPlugin:()=>Ke,OTP:()=>wt,ScureBase32Plugin:()=>je,TOTP:()=>qe,createGuardrails:()=>m,generate:()=>Tt,generateSecret:()=>Lr,generateSync:()=>Ot,generateURI:()=>bt,stringToBytes:()=>De,verify:()=>Et,verifySync:()=>Pt,wrapResult:()=>_t,wrapResultAsync:()=>Gt});var P=class extends Error{constructor(e,r){super(e,r),this.name="OTPError"}},oe=class extends P{constructor(e){super(e),this.name="SecretError"}},se=class extends oe{constructor(e,r){super(`Secret must be at least ${e} bytes (${e*8} bits), got ${r} bytes`),this.name="SecretTooShortError"}},ie=class extends oe{constructor(e,r){super(`Secret must not exceed ${e} bytes, got ${r} bytes`),this.name="SecretTooLongError"}},K=class extends P{constructor(e){super(e),this.name="CounterError"}},ae=class extends K{constructor(){super("Counter must be non-negative"),this.name="CounterNegativeError"}},J=class extends K{constructor(){super("Counter exceeds maximum safe integer value"),this.name="CounterOverflowError"}},ce=class extends K{constructor(){super("Counter must be a finite integer"),this.name="CounterNotIntegerError"}},ue=class extends P{constructor(e){super(e),this.name="TimeError"}},le=class extends ue{constructor(){super("Time must be non-negative"),this.name="TimeNegativeError"}},pe=class extends ue{constructor(){super("Time must be a finite number"),this.name="TimeNotFiniteError"}},fe=class extends P{constructor(e){super(e),this.name="PeriodError"}},de=class extends fe{constructor(e){super(`Period must be at least ${e} second(s)`),this.name="PeriodTooSmallError"}},he=class extends fe{constructor(e){super(`Period must not exceed ${e} seconds`),this.name="PeriodTooLargeError"}};var ge=class extends P{constructor(e){super(e),this.name="TokenError"}},xe=class extends ge{constructor(e,r){super(`Token must be ${e} digits, got ${r}`),this.name="TokenLengthError"}},ye=class extends ge{constructor(){super("Token must contain only digits"),this.name="TokenFormatError"}},me=class extends P{constructor(e,r){super(e,r),this.name="CryptoError"}},v=class extends me{constructor(e,r){super(`HMAC computation failed: ${e}`,r),this.name="HMACError"}},be=class extends me{constructor(e,r){super(`Random byte generation failed: ${e}`,r),this.name="RandomBytesError"}};var V=class extends P{constructor(e){super(e),this.name="CounterToleranceError"}},Te=class extends V{constructor(e,r){super(`Counter tolerance validation failed: total checks (${r}) exceeds MAX_WINDOW (${e})`),this.name="CounterToleranceTooLargeError"}},Oe=class extends V{constructor(){super("Counter tolerance cannot contain negative values"),this.name="CounterToleranceNegativeError"}},N=class extends P{constructor(e){super(e),this.name="EpochToleranceError"}},Ee=class extends N{constructor(){super("Epoch tolerance cannot contain negative values"),this.name="EpochToleranceNegativeError"}},Pe=class extends N{constructor(e,r){super(`Epoch tolerance must not exceed ${e} seconds, got ${r}. 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Jt{Ah=y[0]|0;Al=y[1]|0;Bh=y[2]|0;Bl=y[3]|0;Ch=y[4]|0;Cl=y[5]|0;Dh=y[6]|0;Dl=y[7]|0;Eh=y[8]|0;El=y[9]|0;Fh=y[10]|0;Fl=y[11]|0;Gh=y[12]|0;Gl=y[13]|0;Hh=y[14]|0;Hl=y[15]|0;constructor(){super(64)}};var kr=We(()=>new Kt,Ft(1));var Mr=We(()=>new Qt,Ft(3));var Ke=class{name="noble";hmac(e,r,o){return jt(e==="sha1"?Cr:e==="sha256"?kr:Mr,r,o)}randomBytes(e){return Sr(e)}constantTimeEqual(e,r){return vt(e,r)}},ne=Object.freeze(new Ke);function mt(t){return{secret:t.secret,strategy:t.strategy??"totp",crypto:t.crypto??ne,base32:t.base32??ee,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??m(),hooks:t.hooks}}function Zt(t){return{...mt(t),token:t.token,epochTolerance:t.epochTolerance??0,counterTolerance:t.counterTolerance??0,afterTimeStep:t.afterTimeStep}}function Je(t,e,r){if(t==="totp")return r.totp();if(t==="hotp"){if(e===void 0)throw new T("Counter is required for HOTP strategy. Example: { strategy: 'hotp', counter: 0 }");return r.hotp(e)}throw new T(`Unknown OTP strategy: ${t}. Valid strategies are 'totp' or 'hotp'.`)}function Lr(t){let{crypto:e=ne,base32:r=ee,length:o=20}=t||{};return I({crypto:e,base32:r,length:o})}function bt(t){let{strategy:e="totp",issuer:r,label:o,secret:n,algorithm:s="sha1",digits:i=6,period:a=30,counter:c}=t;return Je(e,c,{totp:()=>Le({issuer:r,label:o,secret:n,algorithm:s,digits:i,period:a}),hotp:u=>Ve({issuer:r,label:o,secret:n,algorithm:s,digits:i,counter:u})})}async function Tt(t){let e=mt(t),{secret:r,crypto:o,base32:n,algorithm:s,digits:i,hooks:a}=e,c={secret:r,crypto:o,base32:n,algorithm:s,digits:i,hooks:a};return Je(e.strategy,e.counter,{totp:()=>Fe({...c,period:e.period,epoch:e.epoch,t0:e.t0,guardrails:e.guardrails}),hotp:u=>W({...c,counter:u,guardrails:e.guardrails})})}function Ot(t){let e=mt(t),{secret:r,crypto:o,base32:n,algorithm:s,digits:i}=e,a={secret:r,crypto:o,base32:n,algorithm:s,digits:i};return Je(e.strategy,e.counter,{totp:()=>Lt({...a,period:e.period,epoch:e.epoch,t0:e.t0,guardrails:e.guardrails}),hotp:c=>$e({...a,counter:c,guardrails:e.guardrails})})}async function Et(t){let e=Zt(t),{secret:r,token:o,crypto:n,base32:s,algorithm:i,digits:a,hooks:c}=e,u={secret:r,token:o,crypto:n,base32:s,algorithm:i,digits:a,hooks:c};return Je(e.strategy,e.counter,{totp:()=>ct({...u,period:e.period,epoch:e.epoch,t0:e.t0,epochTolerance:e.epochTolerance,afterTimeStep:e.afterTimeStep,guardrails:e.guardrails}),hotp:l=>at({...u,counter:l,counterTolerance:e.counterTolerance,guardrails:e.guardrails})})}function Pt(t){let e=Zt(t),{secret:r,token:o,crypto:n,base32:s,algorithm:i,digits:a,hooks:c}=e,u={secret:r,token:o,crypto:n,base32:s,algorithm:i,digits:a,hooks:c};return Je(e.strategy,e.counter,{totp:()=>br({...u,period:e.period,epoch:e.epoch,t0:e.t0,epochTolerance:e.epochTolerance,afterTimeStep:e.afterTimeStep,guardrails:e.guardrails}),hotp:l=>gr({...u,counter:l,counterTolerance:e.counterTolerance,guardrails:e.guardrails})})}var wt=class{strategy;crypto;base32;guardrails;constructor(e={}){let{strategy:r="totp",crypto:o=ne,base32:n=ee,guardrails:s}=e;this.strategy=r,this.crypto=o,this.base32=n,this.guardrails=m(s)}getStrategy(){return this.strategy}generateSecret(e=20){return I({crypto:this.crypto,base32:this.base32,length:e})}async generate(e){return Tt({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}generateSync(e){return Ot({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}async verify(e){return Et({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}verifySync(e){return Pt({...e,strategy:this.strategy,crypto:this.crypto,base32:this.base32,guardrails:e.guardrails??this.guardrails})}generateURI(e){return bt({...e,strategy:this.strategy})}};return Wr(un);})();
/*! Bundled license information:

@scure/base/index.js:
  (*! scure-base - MIT License (c) 2022 Paul Miller (paulmillr.com) *)

@noble/hashes/utils.js:
  (*! noble-hashes - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
*/
//# sourceMappingURL=index.global.js.map