@pdftron/webviewer/public/ui/chunks/chunk.81.js

[WebViewer](https://www.apryse.com/webviewer) is a powerful JavaScript Document SDK and UI Component Library that is a part of the [Apryse PDF SDK](https://www.apryse.com). It provides a slick, out-of-the-box responsive UI that interacts with the core lib

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r=this.resources.data;return null!=r.Pattern?r.Pattern:r.Pattern={}}get colorSpaces(){const r=this.resources.data;return r.ColorSpace||(r.ColorSpace={})}get annotations(){const r=this.dictionary.data;return null!=r.Annots?r.Annots:r.Annots=[]}get structParentTreeKey(){const r=this.dictionary.data;return null!=r.StructParents?r.StructParents:r.StructParents=this.document.createStructParentTreeNextKey()}maxY(){return this.height-this.margins.bottom}write(r){return this.content.write(r)}end(){return this.dictionary.end(),this.resources.end(),this.content.end()}}class v extends P{_compareKeys(r,e){return r.localeCompare(e)}_keysName(){return"Names"}_dataForKey(r){return new String(r)}}function y(r,e){if(r<e[0])return!1;let n=0,t=e.length/2;for(;n<=t;){const a=Math.floor((n+t)/2),i=2*a;if(r>=e[i]&&r<=e[i+1])return!0;r>e[i+1]?n=a+1:t=a-1}return!1}const 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E(r){const e=[],n=r.length;for(let t=0;t<n;t+=1){const a=r.charCodeAt(t);if(a>=55296&&a<=56319&&n>t+1){const n=r.charCodeAt(t+1);if(n>=56320&&n<=57343){e.push(1024*(a-55296)+n-56320+65536),t+=1;continue}}e.push(a)}return e}class L{static generateFileID(r={}){let e=r.CreationDate.getTime()+"\n";for(let n in r)r.hasOwnProperty(n)&&(e+=`${n}: ${r[n].valueOf()}\n`);return z(c.MD5(e))}static generateRandomWordArray(r){return c.lib.WordArray.random(r)}static create(r,e={}){return e.ownerPassword||e.userPassword?new L(r,e):null}constructor(r,e={}){if(!e.ownerPassword&&!e.userPassword)throw new Error("None of owner password and user password is defined.");this.document=r,this._setupEncryption(e)}_setupEncryption(r){switch(r.pdfVersion){case"1.4":case"1.5":this.version=2;break;case"1.6":case"1.7":this.version=4;break;case"1.7ext3":this.version=5;break;default:this.version=1}const e={Filter:"Standard"};switch(this.version){case 1:case 2:case 4:this._setupEncryptionV1V2V4(this.version,e,r);break;case 5:this._setupEncryptionV5(e,r)}this.dictionary=this.document.ref(e)}_setupEncryptionV1V2V4(r,e,n){let t,a;switch(r){case 1:t=2,this.keyBits=40,a=function(r={}){let e=-64;return r.printing&&(e|=4),r.modifying&&(e|=8),r.copying&&(e|=16),r.annotating&&(e|=32),e}(n.permissions);break;case 2:t=3,this.keyBits=128,a=D(n.permissions);break;case 4:t=4,this.keyBits=128,a=D(n.permissions)}const i=F(n.userPassword),o=n.ownerPassword?F(n.ownerPassword):i,s=function(r,e,n,t){let a=t,i=r>=3?51:1;for(let r=0;r<i;r++)a=c.MD5(a);const o=a.clone();o.sigBytes=e/8;let s=n;i=r>=3?20:1;for(let r=0;r<i;r++){const e=Math.ceil(o.sigBytes/4);for(let n=0;n<e;n++)o.words[n]=a.words[n]^(r|r<<8|r<<16|r<<24);s=c.RC4.encrypt(s,o).ciphertext}return s}(t,this.keyBits,i,o);let u;var X;this.encryptionKey=function(r,e,n,t,a,i){let o=t.clone().concat(a).concat(c.lib.WordArray.create([I(i)],4)).concat(c.lib.WordArray.create(n));const s=r>=3?51:1;for(let r=0;r<s;r++)o=c.MD5(o),o.sigBytes=e/8;return o}(t,this.keyBits,this.document._id,i,s,a),2===t?(X=this.encryptionKey,u=c.RC4.encrypt(F(),X).ciphertext):u=function(r,e){const n=e.clone();let t=c.MD5(F().concat(c.lib.WordArray.create(r)));for(let r=0;r<20;r++){const a=Math.ceil(n.sigBytes/4);for(let t=0;t<a;t++)n.words[t]=e.words[t]^(r|r<<8|r<<16|r<<24);t=c.RC4.encrypt(t,n).ciphertext}return t.concat(c.lib.WordArray.create(null,16))}(this.document._id,this.encryptionKey),e.V=r,r>=2&&(e.Length=this.keyBits),4===r&&(e.CF={StdCF:{AuthEvent:"DocOpen",CFM:"AESV2",Length:this.keyBits/8}},e.StmF="StdCF",e.StrF="StdCF"),e.R=t,e.O=z(s),e.U=z(u),e.P=a}_setupEncryptionV5(r,e){this.keyBits=256;const n=D(e.permissions),t=V(e.userPassword),a=e.ownerPassword?V(e.ownerPassword):t;this.encryptionKey=(0,L.generateRandomWordArray)(32);const i=function(r,e){const n=e(8),t=e(8);return c.SHA256(r.clone().concat(n)).concat(n).concat(t)}(t,L.generateRandomWordArray),o=function(r,e,n){const t=c.SHA256(r.clone().concat(e)),a={mode:c.mode.CBC,padding:c.pad.NoPadding,iv:c.lib.WordArray.create(null,16)};return c.AES.encrypt(n,t,a).ciphertext}(t,c.lib.WordArray.create(i.words.slice(10,12),8),this.encryptionKey),s=function(r,e,n){const t=n(8),a=n(8);return c.SHA256(r.clone().concat(t).concat(e)).concat(t).concat(a)}(a,i,L.generateRandomWordArray),u=function(r,e,n,t){const a=c.SHA256(r.clone().concat(e).concat(n)),i={mode:c.mode.CBC,padding:c.pad.NoPadding,iv:c.lib.WordArray.create(null,16)};return c.AES.encrypt(t,a,i).ciphertext}(a,c.lib.WordArray.create(s.words.slice(10,12),8),i,this.encryptionKey),X=function(r,e,n){const t=c.lib.WordArray.create([I(r),4294967295,1415668834],12).concat(n(4)),a={mode:c.mode.ECB,padding:c.pad.NoPadding};return c.AES.encrypt(t,e,a).ciphertext}(n,this.encryptionKey,L.generateRandomWordArray);r.V=5,r.Length=this.keyBits,r.CF={StdCF:{AuthEvent:"DocOpen",CFM:"AESV3",Length:this.keyBits/8}},r.StmF="StdCF",r.StrF="StdCF",r.R=5,r.O=z(s),r.OE=z(u),r.U=z(i),r.UE=z(o),r.P=n,r.Perms=z(X)}getEncryptFn(r,e){let n,t;if(this.version<5&&(n=this.encryptionKey.clone().concat(c.lib.WordArray.create([(255&r)<<24|(65280&r)<<8|r>>8&65280|255&e,(65280&e)<<16],5))),1===this.version||2===this.version){let r=c.MD5(n);return r.sigBytes=Math.min(16,this.keyBits/8+5),e=>z(c.RC4.encrypt(c.lib.WordArray.create(e),r).ciphertext)}t=4===this.version?c.MD5(n.concat(c.lib.WordArray.create([1933667412],4))):this.encryptionKey;const a=L.generateRandomWordArray(16),i={mode:c.mode.CBC,padding:c.pad.Pkcs7,iv:a};return r=>z(a.clone().concat(c.AES.encrypt(c.lib.WordArray.create(r),t,i).ciphertext))}end(){this.dictionary.end()}}function D(r={}){let 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