cf-download-proxy.js

cf-download-proxy.js

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h=r(t[n+1],4)|r(t[n+2],0),d=e[h];if(s=s<<6|h&e[364+d],12!==(u=e[256+u+d])){if(0===u)return null;if((n+=3)<i&&37===t.charCodeAt(n))continue;return null}l+=t.slice(o,a),l+=s<=65535?String.fromCharCode(s):String.fromCharCode(55232+(s>>10),56320+(1023&s)),s=0,o=n+3,n=a=t.indexOf("%",o)}return l+t.slice(o)}const n={0:0,1:1,2:2,3:3,4:4,5:5,6:6,7:7,8:8,9:9,a:10,A:10,b:11,B:11,c:12,C:12,d:13,D:13,e:14,E:14,f:15,F:15};function r(e,t){var r=n[e];return void 0===r?255:r<<t}class i{constructor(e){const t=e??Object.create(null);this.ACL=t.ACL??null,this.BIND=t.BIND??null,this.CHECKOUT=t.CHECKOUT??null,this.CONNECT=t.CONNECT??null,this.COPY=t.COPY??null,this.DELETE=t.DELETE??null,this.GET=t.GET??null,this.HEAD=t.HEAD??null,this.LINK=t.LINK??null,this.LOCK=t.LOCK??null,this["M-SEARCH"]=t["M-SEARCH"]??null,this.MERGE=t.MERGE??null,this.MKACTIVITY=t.MKACTIVITY??null,this.MKCALENDAR=t.MKCALENDAR??null,this.MKCOL=t.MKCOL??null,this.MOVE=t.MOVE??null,this.NOTIFY=t.NOTIFY??null,this.OPTIONS=t.OPTIONS??null,this.PATCH=t.PATCH??null,this.POST=t.POST??null,this.PROPFIND=t.PROPFIND??null,this.PROPPATCH=t.PROPPATCH??null,this.PURGE=t.PURGE??null,this.PUT=t.PUT??null,this.REBIND=t.REBIND??null,this.REPORT=t.REPORT??null,this.SEARCH=t.SEARCH??null,this.SOURCE=t.SOURCE??null,this.SUBSCRIBE=t.SUBSCRIBE??null,this.TRACE=t.TRACE??null,this.UNBIND=t.UNBIND??null,this.UNLINK=t.UNLINK??null,this.UNLOCK=t.UNLOCK??null,this.UNSUBSCRIBE=t.UNSUBSCRIBE??null}}const l={STATIC:0,PARAM:1,MATCH_ALL:2,REGEX:3,MULTI_PARAM:4};function o(e){e=e||{},this.prefix=e.prefix||"/",this.label=this.prefix[0],this.children=e.children||{},this.numberOfChildren=Object.keys(this.children).length,this.kind=e.kind||this.types.STATIC,this.handlers=new i(e.handlers),this.regex=e.regex||null,this.wildcardChild=null,this.parametricBrother=null,this.versions=e.versions}Object.defineProperty(o.prototype,"types",{value:l}),o.prototype.getLabel=function(){return this.prefix[0]},o.prototype.addChild=function(e){var t="";switch(e.kind){case this.types.STATIC:t=e.getLabel();break;case this.types.PARAM:case this.types.REGEX:case this.types.MULTI_PARAM:t=":";break;case this.types.MATCH_ALL:this.wildcardChild=e,t="*";break;default:throw new Error(`Unknown node kind: ${e.kind}`)}if(null!=this.children[t])throw new Error(`There is already a child with label '${t}'`);this.children[t]=e,this.numberOfChildren=Object.keys(this.children).length;const n=Object.keys(this.children);for(var r=this.parametricBrother,i=0;i<n.length;i++){const e=this.children[n[i]];if(":"===e.label){r=e;break}}const l=e=>{if(!e)return;if(e.kind!==this.types.STATIC)return;e!==this&&(e.parametricBrother=r||e.parametricBrother);const t=Object.keys(e.children);for(var n=0;n<t.length;n++)l(e.children[t[n]])};return l(this),this},o.prototype.reset=function(e,t){return this.prefix=e,this.children={},this.kind=this.types.STATIC,this.handlers=new i,this.numberOfChildren=0,this.regex=null,this.wildcardChild=null,this.versions=t,this},o.prototype.findByLabel=function(e){return this.children[e[0]]},o.prototype.findChild=function(e,t){var n=this.children[e[0]];return void 0!==n&&(n.numberOfChildren>0||null!==n.handlers[t])&&e.slice(0,n.prefix.length)===n.prefix||void 0!==(n=this.children[":"])&&(n.numberOfChildren>0||null!==n.handlers[t])||void 0!==(n=this.children["*"])&&(n.numberOfChildren>0||null!==n.handlers[t])?n:null},o.prototype.findVersionChild=function(e,t,n){var r=this.children[t[0]];return void 0!==r&&(r.numberOfChildren>0||null!==r.getVersionHandler(e,n))&&t.slice(0,r.prefix.length)===r.prefix||void 0!==(r=this.children[":"])&&(r.numberOfChildren>0||null!==r.getVersionHandler(e,n))||void 0!==(r=this.children["*"])&&(r.numberOfChildren>0||null!==r.getVersionHandler(e,n))?r:null},o.prototype.setHandler=function(e,t,n,r){if(t){if(null!=this.handlers[e])throw new Error(`There is already an handler with method '${e}'`);this.handlers[e]={handler:t,params:n,store:r||null,paramsLength:n.length}}},o.prototype.setVersionHandler=function(e,t,n,r,l){if(!n)return;const o=this.versions.get(e)||new i;if(null!=o[t])throw new Error(`There is already an handler with version '${e}' and method '${t}'`);o[t]={handler:n,params:r,store:l||null,paramsLength:r.length},this.versions.set(e,o)},o.prototype.getHandler=function(e){return this.handlers[e]},o.prototype.getVersionHandler=function(e,t){var n=this.versions.get(e);return null===n?n:n[t]},o.prototype.prettyPrint=function(e,t){var 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this.children=Object.create(null),this.childrenPrefixes=[],this;if(null!=this.children[e]){const t=Number(e);if(Number.isNaN(t))return this;delete this.children[t],this.childrenPrefixes.splice(this.childrenPrefixes.indexOf(t),1)}return this}setStore(e){return this.store=e,this}get length(){return this.childrenPrefixes.length}}function E(e){const t="*"===e?"x.x.x":e,n=t.indexOf("."),r=t.indexOf(".",n+1);return{major:t.slice(0,n),minor:-1===r?t.slice(n+1):t.slice(n+1,r),patch:-1===r?"x":t.slice(r+1)}}class T{constructor(){this.tree=new x}set(e,t){let n=this.tree;const r=e.split(".");for(;r.length;)n=n.addChild(new x(r.shift()));return n.setStore(t),this}get(e){let t=this.tree;const n=E(e);return t=t.getChild(n.major),null==t?null:(t=t.getChild(n.minor),null==t?null:(t=t.getChild(n.patch),null==t?null:t.store))}del(e){const t=E(e);if("x"===t.major)return this.tree=new x,this;const n=this.tree.children[t.major];if(null==n)return this;if("x"===t.minor)return this.tree.removeChild(t.major),this;const r=n.children[t.minor];if(null==r)return this;if("x"===t.patch)return n.removeChild(t.minor),0===n.length&&this.tree.removeChild(t.major),this;return null==r.children[t.patch]||(r.removeChild(t.patch),0===r.length&&(n.removeChild(t.minor),0===n.length&&this.tree.removeChild(t.major))),this}empty(){return this.tree=new x,this}}const A={storage:()=>new T,deriveVersion:e=>e.headers.get("accept-version")},O=/^https?:\/\/.*?\//;class R{constructor(e){if((e=e||{}).defaultRoute){if("function"!=typeof e.defaultRoute)throw new Error("The default route must be a function");this.defaultRoute=e.defaultRoute}else this.defaultRoute=null;if(e.onBadUrl){if("function"!=typeof e.onBadUrl)throw new Error("The bad url handler must be a function");this.onBadUrl=e.onBadUrl}else this.onBadUrl=null;this.caseSensitive=null==e.caseSensitive||e.caseSensitive,this.ignoreTrailingSlash=e.ignoreTrailingSlash||!1,this.maxParamLength=e.maxParamLength||100,this.allowUnsafeRegex=e.allowUnsafeRegex||!1,this.versioning=e.versioning||A,this.tree=new o({versions:this.versioning.storage()}),this.routes=[]}on(e,t,n,r,i){if("function"==typeof n&&(void 0!==r&&(i=r),r=n,n={}),"string"!=typeof t)throw new Error("Path should be a string");if(0===t.length)throw new Error("The path could not be empty");if("/"!==t[0]&&"*"!==t[0])throw new Error("The first character of a path should be `/` or `*`");if("function"!=typeof r)throw new Error("Handler should be a function");this._on(e,t,n,r,i),this.ignoreTrailingSlash&&"/"!==t&&!t.endsWith("*")&&(t.endsWith("/")?this._on(e,t.slice(0,-1),n,r,i):this._on(e,t+"/",n,r,i))}_on(e,t,n,r,i){if(Array.isArray(e)){for(var o=0;o<e.length;o++)this._on(e[o],t,n,r,i);return}if("string"!=typeof e)throw new Error("Method should be a 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w=t.slice(0,d);return!1===this.caseSensitive&&(w=w.toLowerCase()),this._insert(e,w,f,a,r,i,g,h)}p=t.slice(0,d),!1===this.caseSensitive&&(p=p.toLowerCase()),this._insert(e,p,f,a,null,null,g,h),d--}else if(42===t.charCodeAt(d))return this._insert(e,t.slice(0,d),l.STATIC,null,null,null,null,h),a.push("*"),this._insert(e,t.slice(0,c),l.MATCH_ALL,a,r,i,null,h);!1===this.caseSensitive&&(t=t.toLowerCase()),this._insert(e,t,l.STATIC,a,r,i,null,h)}_insert(e,t,n,r,i,l,s,a){const u=t;for(var h=this.tree,d="",c=0,f=0,p=0,m=0,b=null;;){for(f=(d=h.prefix).length,p=0,m=(c=t.length)<f?c:f;p<m&&t[p]===d[p];)p++;if(p<f)if(b=new o({prefix:d.slice(p),children:h.children,kind:h.kind,handlers:new o.Handlers(h.handlers),regex:h.regex,versions:h.versions}),null!==h.wildcardChild&&(b.wildcardChild=h.wildcardChild),h.reset(d.slice(0,p),this.versioning.storage()).addChild(b),p===c){if(a){if(h.getVersionHandler(a,e))throw new Error(`Method '${e}' already declared for route '${u}' version '${a}'`);h.setVersionHandler(a,e,i,r,l)}else{if(h.getHandler(e))throw new Error(`Method '${e}' already declared for route '${u}'`);h.setHandler(e,i,r,l)}h.kind=n}else b=new o({prefix:t.slice(p),kind:n,handlers:null,regex:s,versions:this.versioning.storage()}),a?b.setVersionHandler(a,e,i,r,l):b.setHandler(e,i,r,l),h.addChild(b);else if(p<c){if(t=t.slice(p),b=h.findByLabel(t)){h=b;continue}b=new o({prefix:t,kind:n,handlers:null,regex:s,versions:this.versioning.storage()}),a?b.setVersionHandler(a,e,i,r,l):b.setHandler(e,i,r,l),h.addChild(b)}else if(i)if(a){if(h.getVersionHandler(a,e))throw new Error(`Method '${e}' already declared for route '${u}' version '${a}'`);h.setVersionHandler(a,e,i,r,l)}else{if(h.getHandler(e))throw new Error(`Method '${e}' already declared for route '${u}'`);h.setHandler(e,i,r,l)}return}}reset(){this.tree=new o({versions:this.versioning.storage()}),this.routes=[]}off(e,t){var n=this;if(Array.isArray(e))return e.map((function(e){return 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r=e.charCodeAt(t);if(63===r||59===r||35===r)return e.slice(0,t)}return e}(e.url),this.versioning.deriveVersion(e));return null===t?this._defaultRoute(e):t.handler(e,t.params,t.store)}find(e,n,r){47!==n.charCodeAt(0)&&(n=n.replace(O,"/"));var i=n,o=n.length;!1===this.caseSensitive&&(n=n.toLowerCase());for(var s=this.maxParamLength,a=this.tree,u=null,h=0,d=null,c=0,f=[],p=0,m=0;;){var b=n.length,g=a.prefix,w=g.length,y=0,v=n;if(0===b||n===g){var C=null==r?a.handlers[e]:a.getVersionHandler(r,e);if(null!=C){var x={};if(C.paramsLength>0){var E=C.params;for(p=0;p<C.paramsLength;p++)x[E[p]]=f[p]}return{handler:C.handler,params:x,store:C.store}}}for(p=b<w?b:w;y<p&&n.charCodeAt(y)===g.charCodeAt(y);)y++;y===w&&(b=(n=n.slice(y)).length,m+=y);var T=null==r?a.findChild(n,e):a.findVersionChild(r,n,e);if(null===T){if(null===(T=a.parametricBrother))return this._getWildcardNode(u,e,i,h);var A=47===v.charCodeAt(0)?v:"/"+v;if(-1===i.indexOf(A)){var 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