3 lines
4.8 KiB
JavaScript
3 lines
4.8 KiB
JavaScript
var U=Object.defineProperty;var E=(_,o)=>U(_,"name",{value:o,configurable:!0});import"node:fs";import"node:path";import{FormData as w,File as B}from"../node.mjs";import"node:http";import"node:https";import"node:zlib";import"node:stream";import"node:buffer";import"node:util";import"../shared/node-fetch-native.DfbY2q-x.mjs";import"node:url";import"node:net";let D=0;const t={START_BOUNDARY:D++,HEADER_FIELD_START:D++,HEADER_FIELD:D++,HEADER_VALUE_START:D++,HEADER_VALUE:D++,HEADER_VALUE_ALMOST_DONE:D++,HEADERS_ALMOST_DONE:D++,PART_DATA_START:D++,PART_DATA:D++,END:D++};let F=1;const u={PART_BOUNDARY:F,LAST_BOUNDARY:F*=2},g=10,N=13,V=32,S=45,Y=58,x=97,C=122,I=E(_=>_|32,"lower"),p=E(()=>{},"noop");class M{static{E(this,"MultipartParser")}constructor(o){this.index=0,this.flags=0,this.onHeaderEnd=p,this.onHeaderField=p,this.onHeadersEnd=p,this.onHeaderValue=p,this.onPartBegin=p,this.onPartData=p,this.onPartEnd=p,this.boundaryChars={},o=`\r
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--`+o;const n=new Uint8Array(o.length);for(let r=0;r<o.length;r++)n[r]=o.charCodeAt(r),this.boundaryChars[n[r]]=!0;this.boundary=n,this.lookbehind=new Uint8Array(this.boundary.length+8),this.state=t.START_BOUNDARY}write(o){let n=0;const r=o.length;let d=this.index,{lookbehind:l,boundary:c,boundaryChars:m,index:e,state:i,flags:A}=this;const H=this.boundary.length,O=H-1,y=o.length;let a,L;const f=E(h=>{this[h+"Mark"]=n},"mark"),s=E(h=>{delete this[h+"Mark"]},"clear"),T=E((h,P,R,k)=>{(P===void 0||P!==R)&&this[h](k&&k.subarray(P,R))},"callback"),b=E((h,P)=>{const R=h+"Mark";R in this&&(P?(T(h,this[R],n,o),delete this[R]):(T(h,this[R],o.length,o),this[R]=0))},"dataCallback");for(n=0;n<r;n++)switch(a=o[n],i){case t.START_BOUNDARY:if(e===c.length-2){if(a===S)A|=u.LAST_BOUNDARY;else if(a!==N)return;e++;break}else if(e-1===c.length-2){if(A&u.LAST_BOUNDARY&&a===S)i=t.END,A=0;else if(!(A&u.LAST_BOUNDARY)&&a===g)e=0,T("onPartBegin"),i=t.HEADER_FIELD_START;else return;break}a!==c[e+2]&&(e=-2),a===c[e+2]&&e++;break;case t.HEADER_FIELD_START:i=t.HEADER_FIELD,f("onHeaderField"),e=0;case t.HEADER_FIELD:if(a===N){s("onHeaderField"),i=t.HEADERS_ALMOST_DONE;break}if(e++,a===S)break;if(a===Y){if(e===1)return;b("onHeaderField",!0),i=t.HEADER_VALUE_START;break}if(L=I(a),L<x||L>C)return;break;case t.HEADER_VALUE_START:if(a===V)break;f("onHeaderValue"),i=t.HEADER_VALUE;case t.HEADER_VALUE:a===N&&(b("onHeaderValue",!0),T("onHeaderEnd"),i=t.HEADER_VALUE_ALMOST_DONE);break;case t.HEADER_VALUE_ALMOST_DONE:if(a!==g)return;i=t.HEADER_FIELD_START;break;case t.HEADERS_ALMOST_DONE:if(a!==g)return;T("onHeadersEnd"),i=t.PART_DATA_START;break;case t.PART_DATA_START:i=t.PART_DATA,f("onPartData");case t.PART_DATA:if(d=e,e===0){for(n+=O;n<y&&!(o[n]in m);)n+=H;n-=O,a=o[n]}if(e<c.length)c[e]===a?(e===0&&b("onPartData",!0),e++):e=0;else if(e===c.length)e++,a===N?A|=u.PART_BOUNDARY:a===S?A|=u.LAST_BOUNDARY:e=0;else if(e-1===c.length)if(A&u.PART_BOUNDARY){if(e=0,a===g){A&=~u.PART_BOUNDARY,T("onPartEnd"),T("onPartBegin"),i=t.HEADER_FIELD_START;break}}else A&u.LAST_BOUNDARY&&a===S?(T("onPartEnd"),i=t.END,A=0):e=0;if(e>0)l[e-1]=a;else if(d>0){const h=new Uint8Array(l.buffer,l.byteOffset,l.byteLength);T("onPartData",0,d,h),d=0,f("onPartData"),n--}break;case t.END:break;default:throw new Error(`Unexpected state entered: ${i}`)}b("onHeaderField"),b("onHeaderValue"),b("onPartData"),this.index=e,this.state=i,this.flags=A}end(){if(this.state===t.HEADER_FIELD_START&&this.index===0||this.state===t.PART_DATA&&this.index===this.boundary.length)this.onPartEnd();else if(this.state!==t.END)throw new Error("MultipartParser.end(): stream ended unexpectedly")}}function $(_){const o=_.match(/\bfilename=("(.*?)"|([^()<>@,;:\\"/[\]?={}\s\t]+))($|;\s)/i);if(!o)return;const n=o[2]||o[3]||"";let r=n.slice(n.lastIndexOf("\\")+1);return r=r.replace(/%22/g,'"'),r=r.replace(/&#(\d{4});/g,(d,l)=>String.fromCharCode(l)),r}E($,"_fileName");async function v(_,o){if(!/multipart/i.test(o))throw new TypeError("Failed to fetch");const n=o.match(/boundary=(?:"([^"]+)"|([^;]+))/i);if(!n)throw new TypeError("no or bad content-type header, no multipart boundary");const r=new M(n[1]||n[2]);let d,l,c,m,e,i;const A=[],H=new w,O=E(s=>{c+=f.decode(s,{stream:!0})},"onPartData"),y=E(s=>{A.push(s)},"appendToFile"),a=E(()=>{const s=new B(A,i,{type:e});H.append(m,s)},"appendFileToFormData"),L=E(()=>{H.append(m,c)},"appendEntryToFormData"),f=new TextDecoder("utf-8");f.decode(),r.onPartBegin=function(){r.onPartData=O,r.onPartEnd=L,d="",l="",c="",m="",e="",i=null,A.length=0},r.onHeaderField=function(s){d+=f.decode(s,{stream:!0})},r.onHeaderValue=function(s){l+=f.decode(s,{stream:!0})},r.onHeaderEnd=function(){if(l+=f.decode(),d=d.toLowerCase(),d==="content-disposition"){const s=l.match(/\bname=("([^"]*)"|([^()<>@,;:\\"/[\]?={}\s\t]+))/i);s&&(m=s[2]||s[3]||""),i=$(l),i&&(r.onPartData=y,r.onPartEnd=a)}else d==="content-type"&&(e=l);l="",d=""};for await(const s of _)r.write(s);return r.end(),H}E(v,"toFormData");export{v as toFormData};
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