2 lines
14 KiB
JavaScript
Executable File
2 lines
14 KiB
JavaScript
Executable File
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l=0;v>l;l++)c[l]!=a[l]&&(i=!1)}return{valid:i,data:r}}}class we{constructor(e,t){y.assign(this,{password:e,strength:t-1,pendingInput:new p(0)})}async append(e){const t=this;let s=new p(0);t.password&&(s=await(async(r,i)=>{const c=(l=new p(H[r.strength]),U&&typeof b.getRandomValues=="function"?b.getRandomValues(l):de.getRandomValues(l));var l;return await te(r,i,c),L(c,r.keys.passwordVerification)})(t,t.password),t.password=null,t.aesCtrGladman=new Z(new Y(t.keys.key),G.from(Q)),t.hmac=new $(t.keys.authentication));const a=new p(s.length+e.length-e.length%D);return a.set(s,0),ee(t,e,a,s.length,0)}flush(){const e=this;let t=new p(0);if(e.pendingInput.length){const a=e.aesCtrGladman.update(_.toBits(e.pendingInput));e.hmac.update(a),t=_.fromBits(a)}const s=f(_.fromBits(e.hmac.digest()),0,v);return{data:L(t,s),signature:s}}}function ee(n,e,t,s,a,r){const i=e.length-a;let c;for(n.pendingInput.length&&(e=L(n.pendingInput,e),t=((l,o)=>{if(o&&o>l.length){const h=l;(l=new p(o)).set(h,0)}return l})(t,i-i%D)),c=0;i-D>=c;c+=D){const l=_.toBits(f(e,c,c+D));r&&n.hmac.update(l);const o=n.aesCtrGladman.update(l);r||n.hmac.update(o),t.set(_.fromBits(o),c+s)}return n.pendingInput=f(e,c),t}async function te(n,e,t){const s=(c=>{if(x===void 0){const l=new p((c=unescape(encodeURIComponent(c))).length);for(let o=0;o<l.length;o++)l[o]=c.charCodeAt(o);return l}return new x().encode(c)})(e),a=await((c,l,o,h,d)=>U&&X&&typeof b.subtle.importKey=="function"?b.subtle.importKey("raw",l,o,!1,d):T.importKey(l))(0,s,ue,0,fe),r=await(async(c,l,o)=>U&&X&&typeof b.subtle.deriveBits=="function"?await b.subtle.deriveBits(c,l,o):T.pbkdf2(l,c.salt,N.iterations,o))(y.assign({salt:t},N),a,8*(2*K[n.strength]+2)),i=new p(r);n.keys={key:_.toBits(f(i,0,K[n.strength])),authentication:_.toBits(f(i,K[n.strength],2*K[n.strength])),passwordVerification:f(i,2*K[n.strength])}}function L(n,e){let t=n;return n.length+e.length&&(t=new p(n.length+e.length),t.set(n,0),t.set(e,n.length)),t}function f(n,e,t){return n.subarray(e,t)}class ye{constructor(e,t){y.assign(this,{password:e,passwordVerification:t}),ae(this,e)}append(e){const t=this;if(t.password){const s=ne(t,e.subarray(0,12));if(t.password=null,s[11]!=t.passwordVerification)throw new m(q);e=e.subarray(12)}return ne(t,e)}flush(){return{valid:!0,data:new p(0)}}}class _e{constructor(e,t){y.assign(this,{password:e,passwordVerification:t}),ae(this,e)}append(e){const t=this;let s,a;if(t.password){t.password=null;const r=b.getRandomValues(new p(12));r[11]=t.passwordVerification,s=new p(e.length+r.length),s.set(se(t,r),0),a=12}else s=new p(e.length),a=0;return s.set(se(t,e),a),s}flush(){return{data:new p(0)}}}function ne(n,e){const t=new p(e.length);for(let s=0;s<e.length;s++)t[s]=re(n)^e[s],P(n,t[s]);return t}function se(n,e){const t=new p(e.length);for(let s=0;s<e.length;s++)t[s]=re(n)^e[s],P(n,e[s]);return t}function ae(n,e){n.keys=[305419896,591751049,878082192],n.crcKey0=new R(n.keys[0]),n.crcKey2=new R(n.keys[2]);for(let t=0;t<e.length;t++)P(n,e.charCodeAt(t))}function P(n,e){n.crcKey0.append([e]),n.keys[0]=~n.crcKey0.get(),n.keys[1]=ce(n.keys[1]+ie(n.keys[0])),n.keys[1]=ce(k.imul(n.keys[1],134775813)+1),n.crcKey2.append([n.keys[1]>>>24]),n.keys[2]=~n.crcKey2.get()}function re(n){const e=2|n.keys[2];return ie(k.imul(e,1^e)>>>8)}function ie(n){return 255&n}function ce(n){return 4294967295&n}const oe="deflate",le="inflate",he="Invalid signature";class me{constructor(e,{signature:t,password:s,signed:a,compressed:r,zipCrypto:i,passwordVerification:c,encryptionStrength:l},{chunkSize:o}){const h=!!s;y.assign(this,{signature:t,encrypted:h,signed:a,compressed:r,inflate:r&&new e({chunkSize:o}),crc32:a&&new R,zipCrypto:i,decrypt:h&&i?new ye(s,c):new ge(s,a,l)})}async append(e){const t=this;return t.encrypted&&e.length&&(e=await t.decrypt.append(e)),t.compressed&&e.length&&(e=await t.inflate.append(e)),(!t.encrypted||t.zipCrypto)&&t.signed&&e.length&&t.crc32.append(e),e}async flush(){const e=this;let t,s=new p(0);if(e.encrypted){const a=e.decrypt.flush();if(!a.valid)throw new m(he);s=a.data}if((!e.encrypted||e.zipCrypto)&&e.signed){const a=new j(new p(4).buffer);if(t=e.crc32.get(),a.setUint32(0,t),e.signature!=a.getUint32(0,!1))throw new m(he)}return e.compressed&&(s=await e.inflate.append(s)||new p(0),await e.inflate.flush()),{data:s,signature:t}}}class be{constructor(e,{encrypted:t,signed:s,compressed:a,level:r,zipCrypto:i,password:c,passwordVerification:l,encryptionStrength:o},{chunkSize:h}){y.assign(this,{encrypted:t,signed:s,compressed:a,deflate:a&&new e({level:r||5,chunkSize:h}),crc32:s&&new R,zipCrypto:i,encrypt:t&&i?new _e(c,l):new we(c,o)})}async append(e){const t=this;let s=e;return t.compressed&&e.length&&(s=await t.deflate.append(e)),t.encrypted&&s.length&&(s=await t.encrypt.append(s)),(!t.encrypted||t.zipCrypto)&&t.signed&&e.length&&t.crc32.append(e),s}async flush(){const e=this;let t,s=new p(0);if(e.compressed&&(s=await e.deflate.flush()||new p(0)),e.encrypted){s=await e.encrypt.append(s);const a=e.encrypt.flush();t=a.signature;const r=new p(s.length+a.data.length);r.set(s,0),r.set(a.data,s.length),s=r}return e.encrypted&&!e.zipCrypto||!e.signed||(t=e.crc32.get()),{data:s,signature:t}}}const ke={init(n){n.scripts&&n.scripts.length&&importScripts.apply(void 0,n.scripts);const e=n.options;let t;self.initCodec&&self.initCodec(),e.codecType.startsWith(oe)?t=self.Deflate:e.codecType.startsWith(le)&&(t=self.Inflate),E=((s,a,r)=>a.codecType.startsWith(oe)?new be(s,a,r):a.codecType.startsWith(le)?new me(s,a,r):void 0)(t,e,n.config)},append:async n=>({data:await E.append(n.data)}),flush:()=>E.flush()};let E;function pe(n,e,t){return class{constructor(a){const r=this;r.codec=new n(y.assign({},e,a)),t(r.codec,i=>{if(r.pendingData){const c=r.pendingData;r.pendingData=new p(c.length+i.length),r.pendingData.set(c,0),r.pendingData.set(i,c.length)}else r.pendingData=new p(i)})}append(a){return this.codec.push(a),s(this)}flush(){return this.codec.push(new p(0),!0),s(this)}};function s(a){if(a.pendingData){const r=a.pendingData;return a.pendingData=null,r}return new p(0)}}addEventListener("message",async n=>{const e=n.data,t=e.type,s=ke[t];if(s)try{e.data&&(e.data=new p(e.data));const a=await s(e)||{};if(a.type=t,a.data)try{a.data=a.data.buffer,A(a,[a.data])}catch{A(a)}else A(a)}catch(a){A({type:t,error:{message:a.message,stack:a.stack}})}}),self.initCodec=()=>{const{Deflate:n,Inflate:e}=((t,s={},a)=>({Deflate:pe(t.Deflate,s.deflate,a),Inflate:pe(t.Inflate,s.inflate,a)}))(pako,{deflate:{raw:!0},inflate:{raw:!0}},(t,s)=>t.onData=s);self.Deflate=n,self.Inflate=e}})();
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