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cesium

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CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.

cesium.com/cesiumjs/

CesiumGS/cesium

2 lines (1 loc) • 19.6 kB
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d{constructor({password:t,rawPassword:e,encryptionStrength:n}){let s;super({start(){ft(this,t,e,n)},async transform(t,e){const n=this,{password:s,strength:r,G:i,ready:a}=n;let c=z;s?(c=await(async(t,e,n)=>{const s=H(new o(J[e]));return pt(s,await ut(t,e,n,s))})(n,r,s),i()):await a;const l=new o(c.length+t.length-t.length%Z);l.set(c,0),e.enqueue(wt(n,t,l,c.length,0))},async flush(t){const{J:e,X:n,pending:r,ready:o}=this;if(n&&e){await o;let i=z;if(r.length){const t=e.update(mt(nt,r));n.update(t),i=yt(nt,t)}s.signature=yt(nt,n.digest()).slice(0,X),t.enqueue(pt(i,s.signature))}}}),s=this}}function ft(t,n,s,r){e.assign(t,{ready:new w(e=>t.G=e),password:ht(n,s),strength:r-1,pending:z})}function wt(t,e,n,s,r,i){const{J:a,X:c,pending:l}=t;l.length&&(e=pt(l,e));const f=e.length-r;let w;for(n=((t,e)=>{if(e&&e>t.length){const n=t;(t=new o(e)).set(n,0)}return t})(n,s+(f-f%Z)),w=0;f-Z>=w;w+=Z){const t=mt(nt,dt(e,w,w+Z));i&&c.update(t);const r=a.update(t);i||c.update(r),n.set(yt(nt,r),w+s)}return t.pending=dt(e,w),n}async function ut(n,s,r,i){n.password=null;const a=await(async(t,e,n,s,r)=>{if(!it)return K.importKey(e);try{return await tt.importKey("raw",e,n,!1,r)}catch{return it=!1,K.importKey(e)}})(0,r,N,0,G),c=await(async(t,e,n)=>{if(!at)return K.M(e,t.salt,q.iterations,n);try{return await tt.deriveBits(t,e,n)}catch{return at=!1,K.M(e,t.salt,q.iterations,n)}})(e.assign({salt:i},q),a,8*(2*Q[s]+2)),l=new o(c),f=mt(nt,dt(l,0,Q[s])),w=mt(nt,dt(l,Q[s],2*Q[s])),u=dt(l,2*Q[s]);return e.assign(n,{keys:{key:f,Y:w,passwordVerification:u},J:new rt(new st(f),t.from(Y)),X:new ot(w)}),u}function ht(t,e){return e===b?(t=>{if(typeof u==k){const e=new o((t=unescape(encodeURIComponent(t))).length);for(let n=0;n<e.length;n++)e[n]=t.charCodeAt(n);return e}return(new u).encode(t)})(t):e}function pt(t,e){let n=t;return t.length+e.length&&(n=new o(t.length+e.length),n.set(t,0),n.set(e,t.length)),n}function dt(t,e,n){return t.subarray(e,n)}function yt(t,e){return t.p(e)}function mt(t,e){return t.m(e)}class gt extends d{constructor({password:t,rawPassword:e,passwordVerification:n,checkPasswordOnly:s}){super({start(){bt(this,t,e,n)},transform(t,e){const n=this;if(n.password||n.rawPassword){const e=kt(n,t.subarray(0,12));if(n.password=n.rawPassword=null,0!=(e.at(-1)^n.passwordVerification))throw new r(E);t=t.subarray(12)}s?e.error(new r(O)):e.enqueue(kt(n,t))}})}}class St extends d{constructor({password:t,rawPassword:e,passwordVerification:n}){super({start(){bt(this,t,e,n)},transform(t,e){const n=this;let s,r;if(n.password||n.rawPassword){n.password=n.rawPassword=null;const e=H(new o(12));e[11]=n.passwordVerification,s=new o(t.length+e.length),s.set(vt(n,e),0),r=12}else s=new o(t.length),r=0;s.set(vt(n,t),r),e.enqueue(s)}})}}function bt(t,n,s,r){e.assign(t,{password:n,rawPassword:s,passwordVerification:r}),((t,n,s)=>{const r=[305419896,591751049,878082192];if(e.assign(t,{keys:r,$:new M(r[0]),tt:new M(r[2])}),s)for(let e=0;e<s.length;e++)zt(t,s[e]);else for(let e=0;e<n.length;e++)zt(t,n.charCodeAt(e))})(t,n,s)}function kt(t,e){const n=new o(e.length);for(let s=0;s<e.length;s++)n[s]=Ct(t)^e[s],zt(t,n[s]);return n}function vt(t,e){const n=new o(e.length);for(let s=0;s<e.length;s++)n[s]=Ct(t)^e[s],zt(t,e[s]);return n}function zt(t,e){let[,n]=t.keys;t.$.append([e]);const r=~t.$.get();n=At(s.imul(At(n+It(r)),134775813)+1),t.tt.append([n>>>24]);const o=~t.tt.get();t.keys=[r,n,o]}function Ct(t){const e=2|t.keys[2];return It(s.imul(e,1^e)>>>8)}function It(t){return 255&t}function At(t){return 4294967295&t}class xt extends d{constructor(t,{chunkSize:e,CompressionStreamZlib:n,CompressionStream:s}){super({});const{compressed:r,encrypted:o,useCompressionStream:i,zipCrypto:a,signed:c,level:l,deflate64:w}=t,u=this;let h,p,d,y=super.readable;const m=c&&r&&!w&&(!o||a)&&!(!i||!s);o&&!a||!c||m||(h=new _,y=Dt(y,h)),r&&(m?(d=new Pt,y=Mt(y,new s("gzip")),y=Dt(y,d)):y=Wt(y,i,{level:l,chunkSize:e},s,n,s)),o&&(a?y=Dt(y,new St(t)):(p=new lt(t),y=Dt(y,p))),Ut(u,y,()=>{let t;o&&!a&&(t=p.signature),o&&!a||!c||(t=m?d.signature:new f(h.value.buffer).getUint32(0)),u.signature=t})}}class Pt extends d{constructor(){let t,e=10,n=new o(0);super({transform(t,r){if(e){const n=s.min(e,t.length);if(e-=n,!(t=t.subarray(n)).length)return}const i=n.length+t.length;if(8>=i){const e=new o(i);return e.set(n),e.set(t,n.length),void(n=e)}const a=i-8,c=new o(a),l=s.min(a,n.length);c.set(n.subarray(0,l),0),a>l&&c.set(t.subarray(0,a-l),l),r.enqueue(c);const f=new o(8),w=n.length-l;w&&f.set(n.subarray(l),0),f.set(t.subarray(a-l),w),n=f},flush(){const e=new f(n.buffer,n.byteOffset,n.byteLength);t.signature=e.getUint32(0,!0),t.uncompressedSize=e.getUint32(4,!0)}}),t=this}}class Rt extends d{constructor(t,{chunkSize:e,DecompressionStreamZlib:n,DecompressionStream:s}){super({});const{zipCrypto:o,encrypted:i,signed:a,signature:c,compressed:l,useCompressionStream:w,deflate64:u}=t;let h,p,d=super.readable;i&&(o?d=Dt(d,new gt(t)):(p=new 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