otpauth/dist/otpauth.esm.min.js

One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers

//! otpauth 9.5.1 | (c) Héctor Molinero Fernández | MIT | https://github.com/hectorm/otpauth
//! noble-hashes 2.2.0 | (c) Paul Miller | MIT | https://github.com/paulmillr/noble-hashes
/// <reference types="./otpauth.d.ts" />
// @ts-nocheck
function t(t,e=""){if("number"!=typeof t)throw new TypeError(`${e&&`"${e}" `}expected number, got ${typeof t}`);if(!Number.isSafeInteger(t)||t<0)throw new RangeError(`${e&&`"${e}" `}expected integer >= 0, got ${t}`)}function e(t,e,s=""){const i=(r=t)instanceof Uint8Array||ArrayBuffer.isView(r)&&"Uint8Array"===r.constructor.name&&"BYTES_PER_ELEMENT"in r&&1===r.BYTES_PER_ELEMENT;var r;const n=t?.length;if(!i||void 0!==e){const e=(s&&`"${s}" `)+"expected Uint8Array, got "+(i?`length=${n}`:"type="+typeof t);if(!i)throw new TypeError(e);throw new RangeError(e)}return t}function s(t,e=!0){if(t.destroyed)throw new Error("Hash instance has been destroyed");if(e&&t.finished)throw new Error("Hash#digest() has already been called")}function i(t,s){e(t,void 0,"digestInto() output");const i=s.outputLen;if(t.length<i)throw new RangeError('"digestInto() output" expected to be of length >='+i)}function r(...t){for(let e=0;e<t.length;e++)t[e].fill(0)}function n(t){return new DataView(t.buffer,t.byteOffset,t.byteLength)}function o(t,e){return t<<32-e|t>>>e}function h(t,e){return t<<e|t>>>32-e>>>0}function a(t){return t<<24&4278190080|t<<8&16711680|t>>>8&65280|t>>>24&255}const c=(()=>68===new Uint8Array(new Uint32Array([287454020]).buffer)[0])()?t=>t:function(t){for(let e=0;e<t.length;e++)t[e]=a(t[e]);return t};function l(t,e={}){const s=(e,s)=>t(s).update(e).digest(),i=t(void 0);return s.outputLen=i.outputLen,s.blockLen=i.blockLen,s.canXOF=i.canXOF,s.create=e=>t(e),Object.assign(s,e),Object.freeze(s)}const u=t=>({oid:Uint8Array.from([6,9,96,134,72,1,101,3,4,2,t])});class f{update(t){return s(this),this.iHash.update(t),this}digestInto(t){s(this),i(t,this),this.finished=!0;const e=t.subarray(0,this.outputLen);this.iHash.digestInto(e),this.oHash.update(e),this.oHash.digestInto(e),this.destroy()}digest(){const t=new Uint8Array(this.oHash.outputLen);return this.digestInto(t),t}_cloneInto(t){t||(t=Object.create(Object.getPrototypeOf(this),{}));const{oHash:e,iHash:s,finished:i,destroyed:r,blockLen:n,outputLen:o}=this;return t.finished=i,
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const Y=(()=>U(["0x428a2f98d728ae22","0x7137449123ef65cd","0xb5c0fbcfec4d3b2f","0xe9b5dba58189dbbc","0x3956c25bf348b538","0x59f111f1b605d019","0x923f82a4af194f9b","0xab1c5ed5da6d8118","0xd807aa98a3030242","0x12835b0145706fbe","0x243185be4ee4b28c","0x550c7dc3d5ffb4e2","0x72be5d74f27b896f","0x80deb1fe3b1696b1","0x9bdc06a725c71235","0xc19bf174cf692694","0xe49b69c19ef14ad2","0xefbe4786384f25e3","0x0fc19dc68b8cd5b5","0x240ca1cc77ac9c65","0x2de92c6f592b0275","0x4a7484aa6ea6e483","0x5cb0a9dcbd41fbd4","0x76f988da831153b5","0x983e5152ee66dfab","0xa831c66d2db43210","0xb00327c898fb213f","0xbf597fc7beef0ee4","0xc6e00bf33da88fc2","0xd5a79147930aa725","0x06ca6351e003826f","0x142929670a0e6e70","0x27b70a8546d22ffc","0x2e1b21385c26c926","0x4d2c6dfc5ac42aed","0x53380d139d95b3df","0x650a73548baf63de","0x766a0abb3c77b2a8","0x81c2c92e47edaee6","0x92722c851482353b","0xa2bfe8a14cf10364","0xa81a664bbc423001","0xc24b8b70d0f89791","0xc76c51a30654be30","0xd192e819d6ef5218","0xd69906245565a910","0xf40e35855771202a","0x106aa07032bbd1b8","0x19a4c116b8d2d0c8","0x1e376c085141ab53","0x2748774cdf8eeb99","0x34b0bcb5e19b48a8","0x391c0cb3c5c95a63","0x4ed8aa4ae3418acb","0x5b9cca4f7763e373","0x682e6ff3d6b2b8a3","0x748f82ee5defb2fc","0x78a5636f43172f60","0x84c87814a1f0ab72","0x8cc702081a6439ec","0x90befffa23631e28","0xa4506cebde82bde9","0xbef9a3f7b2c67915","0xc67178f2e372532b","0xca273eceea26619c","0xd186b8c721c0c207","0xeada7dd6cde0eb1e","0xf57d4f7fee6ed178","0x06f067aa72176fba","0x0a637dc5a2c898a6","0x113f9804bef90dae","0x1b710b35131c471b","0x28db77f523047d84","0x32caab7b40c72493","0x3c9ebe0a15c9bebc","0x431d67c49c100d4c","0x4cc5d4becb3e42b6","0x597f299cfc657e2a","0x5fcb6fab3ad6faec","0x6c44198c4a475817"].map(t=>BigInt(t))))(),z=(()=>Y[0])(),J=(()=>Y[1])(),K=new Uint32Array(80),Q=new Uint32Array(80);class W extends p{get(){const{Ah:t,Al:e,Bh:s,Bl:i,Ch:r,Cl:n,Dh:o,Dl:h,Eh:a,El:c,Fh:l,Fl:u,Gh:f,Gl:d,Hh:b,Hl:g}=this;return[t,e,s,i,r,n,o,h,a,c,l,u,f,d,b,g]}set(t,e,s,i,r,n,o,h,a,c,l,u,f,d,b,g){this.Ah=0|t,this.Al=0|e,this.Bh=0|s,this.Bl=0|i,this.Ch=0|r,
this.Cl=0|n,this.Dh=0|o,this.Dl=0|h,this.Eh=0|a,this.El=0|c,this.Fh=0|l,this.Fl=0|u,this.Gh=0|f,this.Gl=0|d,this.Hh=0|b,this.Hl=0|g}process(t,e){for(let s=0;s<16;s++,e+=4)K[s]=t.getUint32(e),Q[s]=t.getUint32(e+=4);for(let t=16;t<80;t++){const e=0|K[t-15],s=0|Q[t-15],i=$(e,s,1)^$(e,s,8)^S(e,0,7),r=C(e,s,1)^C(e,s,8)^v(e,s,7),n=0|K[t-2],o=0|Q[t-2],h=$(n,o,19)^k(n,o,61)^S(n,0,6),a=C(n,o,19)^T(n,o,61)^v(n,o,6),c=G(r,a,Q[t-7],Q[t-16]),l=P(c,i,h,K[t-7],K[t-16]);K[t]=0|l,Q[t]=0|c}let{Ah:s,Al:i,Bh:r,Bl:n,Ch:o,Cl:h,Dh:a,Dl:c,Eh:l,El:u,Fh:f,Fl:d,Gh:b,Gl:g,Hh:p,Hl:w}=this;for(let t=0;t<80;t++){const e=$(l,u,14)^$(l,u,18)^k(l,u,41),m=C(l,u,14)^C(l,u,18)^T(l,u,41),y=l&f^~l&b,A=R(w,m,u&d^~u&g,J[t],Q[t]),x=j(A,p,e,y,z[t],K[t]),H=0|A,L=$(s,i,28)^k(s,i,34)^k(s,i,39),E=C(s,i,28)^T(s,i,34)^T(s,i,39),I=s&r^s&o^r&o,B=i&n^i&h^n&h;p=0|b,w=0|g,b=0|f,g=0|d,f=0|l,d=0|u,({h:l,l:u}=D(0|a,0|c,0|x,0|H)),a=0|o,c=0|h,o=0|r,h=0|n,r=0|s,n=0|i;const O=F(H,E,B);s=_(O,x,L,I),i=0|O}({h:s,l:i}=D(0|this.Ah,0|this.Al,0|s,0|i)),({h:r,l:n}=D(0|this.Bh,0|this.Bl,0|r,0|n)),({h:o,l:h}=D(0|this.Ch,0|this.Cl,0|o,0|h)),({h:a,l:c}=D(0|this.Dh,0|this.Dl,0|a,0|c)),({h:l,l:u}=D(0|this.Eh,0|this.El,0|l,0|u)),({h:f,l:d}=D(0|this.Fh,0|this.Fl,0|f,0|d)),({h:b,l:g}=D(0|this.Gh,0|this.Gl,0|b,0|g)),({h:p,l:w}=D(0|this.Hh,0|this.Hl,0|p,0|w)),this.set(s,i,r,n,o,h,a,c,l,u,f,d,b,g,p,w)}roundClean(){r(K,Q)}destroy(){this.destroyed=!0,r(this.buffer),this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)}constructor(t){super(128,t,16,!1)}}class q extends W{constructor(){super(64),this.Ah=0|A[0],this.Al=0|A[1],this.Bh=0|A[2],this.Bl=0|A[3],this.Ch=0|A[4],this.Cl=0|A[5],this.Dh=0|A[6],this.Dl=0|A[7],this.Eh=0|A[8],this.El=0|A[9],this.Fh=0|A[10],this.Fl=0|A[11],this.Gh=0|A[12],this.Gl=0|A[13],this.Hh=0|A[14],this.Hl=0|A[15]}}class tt extends W{constructor(){super(48),this.Ah=0|y[0],this.Al=0|y[1],this.Bh=0|y[2],this.Bl=0|y[3],this.Ch=0|y[4],this.Cl=0|y[5],this.Dh=0|y[6],this.Dl=0|y[7],this.Eh=0|y[8],this.El=0|y[9],this.Fh=0|y[10],this.Fl=0|y[11],this.Gh=0|y[12],this.Gl=0|y[13],this.Hh=0|y[14],
this.Hl=0|y[15]}}const et=l(()=>new Z,u(1)),st=l(()=>new V,u(4)),it=l(()=>new q,u(3)),rt=l(()=>new tt,u(2)),nt=BigInt(0),ot=BigInt(1),ht=BigInt(2),at=BigInt(7),ct=BigInt(256),lt=BigInt(113),ut=[],ft=[],dt=[];for(let t=0,e=ot,s=1,i=0;t<24;t++){[s,i]=[i,(2*s+3*i)%5],ut.push(2*(5*i+s)),ft.push((t+1)*(t+2)/2%64);let r=nt;for(let t=0;t<7;t++)e=(e<<ot^(e>>at)*lt)%ct,e&ht&&(r^=ot<<(ot<<BigInt(t))-ot);dt.push(r)}const bt=U(dt,!0),gt=bt[0],pt=bt[1],wt=(t,e,s)=>s>32?((t,e,s)=>e<<s-32|t>>>64-s)(t,e,s):((t,e,s)=>t<<s|e>>>32-s)(t,e,s),mt=(t,e,s)=>s>32?((t,e,s)=>t<<s-32|e>>>64-s)(t,e,s):((t,e,s)=>e<<s|t>>>32-s)(t,e,s);class yt{clone(){return this._cloneInto()}keccak(){c(this.state32),function(e,s=24){if(t(s,"rounds"),s<1||s>24)throw new Error('"rounds" expected integer 1..24');const i=new Uint32Array(10);for(let t=24-s;t<24;t++){for(let t=0;t<10;t++)i[t]=e[t]^e[t+10]^e[t+20]^e[t+30]^e[t+40];for(let t=0;t<10;t+=2){const s=(t+8)%10,r=(t+2)%10,n=i[r],o=i[r+1],h=wt(n,o,1)^i[s],a=mt(n,o,1)^i[s+1];for(let s=0;s<50;s+=10)e[t+s]^=h,e[t+s+1]^=a}let s=e[2],r=e[3];for(let t=0;t<24;t++){const i=ft[t],n=wt(s,r,i),o=mt(s,r,i),h=ut[t];s=e[h],r=e[h+1],e[h]=n,e[h+1]=o}for(let t=0;t<50;t+=10){const s=e[t],i=e[t+1],r=e[t+2],n=e[t+3];e[t]^=~e[t+2]&e[t+4],e[t+1]^=~e[t+3]&e[t+5],e[t+2]^=~e[t+4]&e[t+6],e[t+3]^=~e[t+5]&e[t+7],e[t+4]^=~e[t+6]&e[t+8],e[t+5]^=~e[t+7]&e[t+9],e[t+6]^=~e[t+8]&s,e[t+7]^=~e[t+9]&i,e[t+8]^=~s&r,e[t+9]^=~i&n}e[0]^=gt[t],e[1]^=pt[t]}r(i)}(this.state32,this.rounds),c(this.state32),this.posOut=0,this.pos=0}update(t){s(this),e(t);const{blockLen:i,state:r}=this,n=t.length;for(let e=0;e<n;){const s=Math.min(i-this.pos,n-e);for(let i=0;i<s;i++)r[this.pos++]^=t[e++];this.pos===i&&this.keccak()}return this}finish(){if(this.finished)return;this.finished=!0;const{state:t,suffix:e,pos:s,blockLen:i}=this;t[s]^=e,128&e&&s===i-1&&this.keccak(),t[i-1]^=128,this.keccak()}writeInto(t){s(this,!1),e(t),this.finish();const i=this.state,{blockLen:r}=this;for(let e=0,s=t.length;e<s;){this.posOut>=r&&this.keccak();const n=Math.min(r-this.posOut,s-e)
;t.set(i.subarray(this.posOut,this.posOut+n),e),this.posOut+=n,e+=n}return t}xofInto(t){if(!this.enableXOF)throw new Error("XOF is not possible for this instance");return this.writeInto(t)}xof(e){return t(e),this.xofInto(new Uint8Array(e))}digestInto(t){if(i(t,this),this.finished)throw new Error("digest() was already called");this.writeInto(t.subarray(0,this.outputLen)),this.destroy()}digest(){const t=new Uint8Array(this.outputLen);return this.digestInto(t),t}destroy(){this.destroyed=!0,r(this.state)}_cloneInto(t){const{blockLen:e,suffix:s,outputLen:i,rounds:r,enableXOF:n}=this;return t||(t=new yt(e,s,i,n,r)),t.blockLen=e,t.state32.set(this.state32),t.pos=this.pos,t.posOut=this.posOut,t.finished=this.finished,t.rounds=r,t.suffix=s,t.outputLen=i,t.enableXOF=n,t.canXOF=this.canXOF,t.destroyed=this.destroyed,t}constructor(e,s,i,r=!1,n=24){if(this.pos=0,this.posOut=0,this.finished=!1,this.destroyed=!1,this.enableXOF=!1,this.blockLen=e,this.suffix=s,this.outputLen=i,this.enableXOF=r,this.canXOF=r,this.rounds=n,t(i,"outputLen"),!(0<e&&e<200))throw new Error("only keccak-f1600 function is supported");var o;this.state=new Uint8Array(200),this.state32=(o=this.state,new Uint32Array(o.buffer,o.byteOffset,Math.floor(o.byteLength/4)))}}const At=(t,e,s,i={})=>l(()=>new yt(e,t,s),i),xt=At(6,144,28,u(7)),Ht=At(6,136,32,u(8)),Lt=At(6,104,48,u(9)),Et=At(6,72,64,u(10)),It=(()=>{if("object"==typeof globalThis)return globalThis;Object.defineProperty(Object.prototype,"__GLOBALTHIS__",{get(){return this},configurable:!0});try{if("undefined"!=typeof __GLOBALTHIS__)return __GLOBALTHIS__}finally{delete Object.prototype.__GLOBALTHIS__}return"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:void 0})(),Bt={SHA1:E,SHA224:st,SHA256:et,SHA384:rt,SHA512:it,"SHA3-224":xt,"SHA3-256":Ht,"SHA3-384":Lt,"SHA3-512":Et},Ot=t=>{switch(!0){case/^(?:SHA-?1|SSL3-SHA1)$/i.test(t):return"SHA1";case/^SHA(?:2?-)?224$/i.test(t):return"SHA224";case/^SHA(?:2?-)?256$/i.test(t):return"SHA256"
;case/^SHA(?:2?-)?384$/i.test(t):return"SHA384";case/^SHA(?:2?-)?512$/i.test(t):return"SHA512";case/^SHA3-224$/i.test(t):return"SHA3-224";case/^SHA3-256$/i.test(t):return"SHA3-256";case/^SHA3-384$/i.test(t):return"SHA3-384";case/^SHA3-512$/i.test(t):return"SHA3-512";default:throw new TypeError(`Unknown hash algorithm: ${t}`)}},Ut=(t,e,s)=>{if(d){const i=Bt[t]??Bt[Ot(t)];return d(i,e,s)}throw new Error("Missing HMAC function")},St="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",vt=t=>{let e=(t=t.replace(/ /g,"")).length;for(;"="===t[e-1];)--e;t=(e<t.length?t.substring(0,e):t).toUpperCase();const s=new ArrayBuffer(5*t.length/8|0),i=new Uint8Array(s);let r=0,n=0,o=0;for(let e=0;e<t.length;e++){const s=St.indexOf(t[e]);if(-1===s)throw new TypeError(`Invalid character found: ${t[e]}`);n=n<<5|s,r+=5,r>=8&&(r-=8,i[o++]=n>>>r)}return i},$t=t=>{let e=0,s=0,i="";for(let r=0;r<t.length;r++)for(s=s<<8|t[r],e+=8;e>=5;)i+=St[s>>>e-5&31],e-=5;return e>0&&(i+=St[s<<5-e&31]),i},Ct=t=>{t=t.replace(/ /g,"");const e=new ArrayBuffer(t.length/2),s=new Uint8Array(e);for(let e=0;e<t.length;e+=2)s[e/2]=parseInt(t.substring(e,e+2),16);return s},kt=t=>{let e="";for(let s=0;s<t.length;s++){const i=t[s].toString(16);1===i.length&&(e+="0"),e+=i}return e.toUpperCase()},Tt=t=>{const e=new ArrayBuffer(t.length),s=new Uint8Array(e);for(let e=0;e<t.length;e++)s[e]=255&t.charCodeAt(e);return s},Dt=t=>{let e="";for(let s=0;s<t.length;s++)e+=String.fromCharCode(t[s]);return e},Ft=It.TextEncoder?new It.TextEncoder:null,_t=It.TextDecoder?new It.TextDecoder:null,Gt=t=>{if(!Ft)throw new Error("Encoding API not available");return Ft.encode(t)},Pt=t=>{if(!_t)throw new Error("Encoding API not available");return _t.decode(t)};class Rt{static fromLatin1(t){return new Rt({buffer:Tt(t).buffer})}static fromUTF8(t){return new Rt({buffer:Gt(t).buffer})}static fromBase32(t){return new Rt({buffer:vt(t).buffer})}static fromHex(t){return new Rt({buffer:Ct(t).buffer})}get buffer(){return this.bytes.buffer}get latin1(){return Object.defineProperty(this,"latin1",{enumerable:!0,
writable:!1,configurable:!1,value:Dt(this.bytes)}),this.latin1}get utf8(){return Object.defineProperty(this,"utf8",{enumerable:!0,writable:!1,configurable:!1,value:Pt(this.bytes)}),this.utf8}get base32(){return Object.defineProperty(this,"base32",{enumerable:!0,writable:!1,configurable:!1,value:$t(this.bytes)}),this.base32}get hex(){return Object.defineProperty(this,"hex",{enumerable:!0,writable:!1,configurable:!1,value:kt(this.bytes)}),this.hex}constructor({buffer:t,size:e=20}={}){this.bytes=void 0===t?(t=>{if(It.crypto?.getRandomValues)return It.crypto.getRandomValues(new Uint8Array(t));throw new Error("Cryptography API not available")})(e):new Uint8Array(t),Object.defineProperty(this,"bytes",{enumerable:!0,writable:!1,configurable:!1,value:this.bytes})}}class jt{static get defaults(){return{issuer:"",label:"OTPAuth",issuerInLabel:!0,algorithm:"SHA1",digits:6,counter:0,window:1}}static generate({secret:t,algorithm:e=jt.defaults.algorithm,digits:s=jt.defaults.digits,counter:i=jt.defaults.counter,hmac:r=Ut}){const n=(t=>{const e=new ArrayBuffer(8),s=new Uint8Array(e);let i=t;for(let t=7;t>=0&&0!==i;t--)s[t]=255&i,i-=s[t],i/=256;return s})(i),o=r(e,t.bytes,n);if(!o?.byteLength||o.byteLength<19)throw new TypeError("Return value must be at least 19 bytes");const h=15&o[o.byteLength-1];return(((127&o[h])<<24|(255&o[h+1])<<16|(255&o[h+2])<<8|255&o[h+3])%10**s).toString().padStart(s,"0")}generate({counter:t=this.counter++}={}){return jt.generate({secret:this.secret,algorithm:this.algorithm,digits:this.digits,counter:t,hmac:this.hmac})}static validate({token:t,secret:e,algorithm:s,digits:i=jt.defaults.digits,counter:r=jt.defaults.counter,window:n=jt.defaults.window,hmac:o=Ut}){if(t.length!==i)return null;let h=null;const a=n=>{const a=jt.generate({secret:e,algorithm:s,digits:i,counter:n,hmac:o});((t,e)=>{{if(t.length!==e.length)throw new TypeError("Input strings must have the same length");let s=-1,i=0;for(;++s<t.length;)i|=t.charCodeAt(s)^e.charCodeAt(s);return 0===i}})(t,a)&&(h=n-r)};a(r)
;for(let t=1;t<=n&&null===h&&(a(r-t),null===h)&&(a(r+t),null===h);++t);return h}validate({token:t,counter:e=this.counter,window:s}){return jt.validate({token:t,secret:this.secret,algorithm:this.algorithm,digits:this.digits,counter:e,window:s,hmac:this.hmac})}toString(){const t=encodeURIComponent;return"otpauth://hotp/"+(this.issuer.length>0?this.issuerInLabel?`${t(this.issuer)}:${t(this.label)}?issuer=${t(this.issuer)}&`:`${t(this.label)}?issuer=${t(this.issuer)}&`:`${t(this.label)}?`)+`secret=${t(this.secret.base32)}&`+`algorithm=${t(this.algorithm)}&`+`digits=${t(this.digits)}&`+`counter=${t(this.counter)}`}constructor({issuer:t=jt.defaults.issuer,label:e=jt.defaults.label,issuerInLabel:s=jt.defaults.issuerInLabel,secret:i=new Rt,algorithm:r=jt.defaults.algorithm,digits:n=jt.defaults.digits,counter:o=jt.defaults.counter,hmac:h}={}){this.issuer=t,this.label=e,this.issuerInLabel=s,this.secret="string"==typeof i?Rt.fromBase32(i):i,this.algorithm=h?r:Ot(r),this.digits=n,this.counter=o,this.hmac=h}}class Xt{static get defaults(){return{issuer:"",label:"OTPAuth",issuerInLabel:!0,algorithm:"SHA1",digits:6,period:30,window:1}}static counter({period:t=Xt.defaults.period,timestamp:e=Date.now()}={}){return Math.floor(e/1e3/t)}counter({timestamp:t=Date.now()}={}){return Xt.counter({period:this.period,timestamp:t})}static remaining({period:t=Xt.defaults.period,timestamp:e=Date.now()}={}){return 1e3*t-e%(1e3*t)}remaining({timestamp:t=Date.now()}={}){return Xt.remaining({period:this.period,timestamp:t})}static generate({secret:t,algorithm:e,digits:s,period:i=Xt.defaults.period,timestamp:r=Date.now(),hmac:n}){return jt.generate({secret:t,algorithm:e,digits:s,counter:Xt.counter({period:i,timestamp:r}),hmac:n})}generate({timestamp:t=Date.now()}={}){return Xt.generate({secret:this.secret,algorithm:this.algorithm,digits:this.digits,period:this.period,timestamp:t,hmac:this.hmac})}static validate({token:t,secret:e,algorithm:s,digits:i,period:r=Xt.defaults.period,timestamp:n=Date.now(),window:o,hmac:h}){return jt.validate({token:t,
secret:e,algorithm:s,digits:i,counter:Xt.counter({period:r,timestamp:n}),window:o,hmac:h})}validate({token:t,timestamp:e,window:s}){return Xt.validate({token:t,secret:this.secret,algorithm:this.algorithm,digits:this.digits,period:this.period,timestamp:e,window:s,hmac:this.hmac})}toString(){const t=encodeURIComponent;return"otpauth://totp/"+(this.issuer.length>0?this.issuerInLabel?`${t(this.issuer)}:${t(this.label)}?issuer=${t(this.issuer)}&`:`${t(this.label)}?issuer=${t(this.issuer)}&`:`${t(this.label)}?`)+`secret=${t(this.secret.base32)}&`+`algorithm=${t(this.algorithm)}&`+`digits=${t(this.digits)}&`+`period=${t(this.period)}`}constructor({issuer:t=Xt.defaults.issuer,label:e=Xt.defaults.label,issuerInLabel:s=Xt.defaults.issuerInLabel,secret:i=new Rt,algorithm:r=Xt.defaults.algorithm,digits:n=Xt.defaults.digits,period:o=Xt.defaults.period,hmac:h}={}){this.issuer=t,this.label=e,this.issuerInLabel=s,this.secret="string"==typeof i?Rt.fromBase32(i):i,this.algorithm=h?r:Ot(r),this.digits=n,this.period=o,this.hmac=h}}const Mt=/^otpauth:\/\/([ht]otp)\/(.+)\?([A-Z0-9.~_-]+=[^?&]*(?:&[A-Z0-9.~_-]+=[^?&]*)*)$/i,Nt=/^[2-7A-Z]+=*$/i,Zt=/^SHA(?:1|224|256|384|512|3-224|3-256|3-384|3-512)$/i,Vt=/^[A-Z0-9]+(?:[_-][A-Z0-9]+)*$/i,Yt=/^[+-]?\d+$/,zt=/^\+?[1-9]\d*$/;class Jt{static parse(t,{hmac:e}={}){let s;try{s=t.match(Mt)}catch(t){}if(!Array.isArray(s))throw new URIError("Invalid URI format");const i=s[1].toLowerCase(),r=s[2].split(/(?::|%3A) *(.+)/i,2).map(decodeURIComponent),n=s[3].split("&").reduce((t,e)=>{const s=e.split(/=(.*)/,2).map(decodeURIComponent),i=s[0].toLowerCase(),r=s[1],n=t;return n[i]=r,n},{});let o;const h={};if("hotp"===i){if(o=jt,void 0===n.counter||!Yt.test(n.counter))throw new TypeError("Missing or invalid 'counter' parameter");h.counter=parseInt(n.counter,10)}else{if("totp"!==i)throw new TypeError("Unknown OTP type");if(o=Xt,void 0!==n.period){if(!zt.test(n.period))throw new TypeError("Invalid 'period' parameter");h.period=parseInt(n.period,10)}}if(void 0!==n.issuer&&(h.issuer=n.issuer),
2===r.length?(h.label=r[1],void 0===h.issuer||""===h.issuer?h.issuer=r[0]:""===r[0]&&(h.issuerInLabel=!1)):(h.label=r[0],void 0!==h.issuer&&""!==h.issuer&&(h.issuerInLabel=!1)),void 0===n.secret||!Nt.test(n.secret))throw new TypeError("Missing or invalid 'secret' parameter");if(h.secret=n.secret,void 0!==n.algorithm){if(!(e?Vt:Zt).test(n.algorithm))throw new TypeError("Invalid 'algorithm' parameter");h.algorithm=n.algorithm}if(void 0!==n.digits){if(!zt.test(n.digits))throw new TypeError("Invalid 'digits' parameter");h.digits=parseInt(n.digits,10)}return void 0!==e&&(h.hmac=e),new o(h)}static stringify(t){if(t instanceof jt||t instanceof Xt)return t.toString();throw new TypeError("Invalid 'HOTP/TOTP' object")}}const Kt="9.5.1";export{jt as HOTP,Rt as Secret,Xt as TOTP,Jt as URI,Kt as version};
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