453 lines
10 KiB
JavaScript
453 lines
10 KiB
JavaScript
"use strict";
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exports.id = 37;
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exports.ids = [37];
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exports.modules = {
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/***/ 4037:
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/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {
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__webpack_require__.r(__webpack_exports__);
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/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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/* harmony export */ "toFormData": () => (/* binding */ toFormData)
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/* harmony export */ });
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/* harmony import */ var fetch_blob_from_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2185);
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/* harmony import */ var formdata_polyfill_esm_min_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(8010);
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let s = 0;
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const S = {
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START_BOUNDARY: s++,
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HEADER_FIELD_START: s++,
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HEADER_FIELD: s++,
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HEADER_VALUE_START: s++,
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HEADER_VALUE: s++,
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HEADER_VALUE_ALMOST_DONE: s++,
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HEADERS_ALMOST_DONE: s++,
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PART_DATA_START: s++,
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PART_DATA: s++,
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END: s++
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};
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let f = 1;
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const F = {
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PART_BOUNDARY: f,
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LAST_BOUNDARY: f *= 2
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};
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const LF = 10;
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const CR = 13;
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const SPACE = 32;
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const HYPHEN = 45;
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const COLON = 58;
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const A = 97;
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const Z = 122;
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const lower = c => c | 0x20;
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const noop = () => {};
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class MultipartParser {
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/**
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* @param {string} boundary
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*/
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constructor(boundary) {
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this.index = 0;
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this.flags = 0;
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this.onHeaderEnd = noop;
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this.onHeaderField = noop;
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this.onHeadersEnd = noop;
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this.onHeaderValue = noop;
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this.onPartBegin = noop;
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this.onPartData = noop;
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this.onPartEnd = noop;
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this.boundaryChars = {};
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boundary = '\r\n--' + boundary;
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const ui8a = new Uint8Array(boundary.length);
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for (let i = 0; i < boundary.length; i++) {
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ui8a[i] = boundary.charCodeAt(i);
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this.boundaryChars[ui8a[i]] = true;
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}
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this.boundary = ui8a;
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this.lookbehind = new Uint8Array(this.boundary.length + 8);
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this.state = S.START_BOUNDARY;
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}
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/**
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* @param {Uint8Array} data
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*/
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write(data) {
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let i = 0;
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const length_ = data.length;
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let previousIndex = this.index;
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let {lookbehind, boundary, boundaryChars, index, state, flags} = this;
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const boundaryLength = this.boundary.length;
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const boundaryEnd = boundaryLength - 1;
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const bufferLength = data.length;
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let c;
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let cl;
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const mark = name => {
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this[name + 'Mark'] = i;
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};
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const clear = name => {
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delete this[name + 'Mark'];
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};
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const callback = (callbackSymbol, start, end, ui8a) => {
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if (start === undefined || start !== end) {
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this[callbackSymbol](ui8a && ui8a.subarray(start, end));
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}
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};
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const dataCallback = (name, clear) => {
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const markSymbol = name + 'Mark';
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if (!(markSymbol in this)) {
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return;
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}
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if (clear) {
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callback(name, this[markSymbol], i, data);
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delete this[markSymbol];
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} else {
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callback(name, this[markSymbol], data.length, data);
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this[markSymbol] = 0;
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}
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};
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for (i = 0; i < length_; i++) {
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c = data[i];
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switch (state) {
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case S.START_BOUNDARY:
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if (index === boundary.length - 2) {
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if (c === HYPHEN) {
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flags |= F.LAST_BOUNDARY;
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} else if (c !== CR) {
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return;
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}
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index++;
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break;
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} else if (index - 1 === boundary.length - 2) {
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if (flags & F.LAST_BOUNDARY && c === HYPHEN) {
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state = S.END;
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flags = 0;
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} else if (!(flags & F.LAST_BOUNDARY) && c === LF) {
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index = 0;
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callback('onPartBegin');
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state = S.HEADER_FIELD_START;
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} else {
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return;
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}
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break;
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}
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if (c !== boundary[index + 2]) {
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index = -2;
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}
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if (c === boundary[index + 2]) {
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index++;
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}
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break;
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case S.HEADER_FIELD_START:
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state = S.HEADER_FIELD;
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mark('onHeaderField');
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index = 0;
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// falls through
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case S.HEADER_FIELD:
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if (c === CR) {
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clear('onHeaderField');
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state = S.HEADERS_ALMOST_DONE;
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break;
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}
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index++;
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if (c === HYPHEN) {
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break;
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}
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if (c === COLON) {
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if (index === 1) {
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// empty header field
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return;
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}
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dataCallback('onHeaderField', true);
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state = S.HEADER_VALUE_START;
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break;
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}
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cl = lower(c);
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if (cl < A || cl > Z) {
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return;
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}
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break;
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case S.HEADER_VALUE_START:
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if (c === SPACE) {
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break;
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}
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mark('onHeaderValue');
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state = S.HEADER_VALUE;
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// falls through
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case S.HEADER_VALUE:
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if (c === CR) {
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dataCallback('onHeaderValue', true);
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callback('onHeaderEnd');
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state = S.HEADER_VALUE_ALMOST_DONE;
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}
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break;
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case S.HEADER_VALUE_ALMOST_DONE:
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if (c !== LF) {
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return;
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}
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state = S.HEADER_FIELD_START;
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break;
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case S.HEADERS_ALMOST_DONE:
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if (c !== LF) {
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return;
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}
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callback('onHeadersEnd');
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state = S.PART_DATA_START;
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break;
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case S.PART_DATA_START:
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state = S.PART_DATA;
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mark('onPartData');
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// falls through
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case S.PART_DATA:
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previousIndex = index;
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if (index === 0) {
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// boyer-moore derrived algorithm to safely skip non-boundary data
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i += boundaryEnd;
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while (i < bufferLength && !(data[i] in boundaryChars)) {
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i += boundaryLength;
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}
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i -= boundaryEnd;
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c = data[i];
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}
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if (index < boundary.length) {
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if (boundary[index] === c) {
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if (index === 0) {
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dataCallback('onPartData', true);
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}
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index++;
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} else {
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index = 0;
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}
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} else if (index === boundary.length) {
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index++;
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if (c === CR) {
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// CR = part boundary
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flags |= F.PART_BOUNDARY;
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} else if (c === HYPHEN) {
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// HYPHEN = end boundary
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flags |= F.LAST_BOUNDARY;
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} else {
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index = 0;
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}
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} else if (index - 1 === boundary.length) {
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if (flags & F.PART_BOUNDARY) {
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index = 0;
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if (c === LF) {
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// unset the PART_BOUNDARY flag
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flags &= ~F.PART_BOUNDARY;
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callback('onPartEnd');
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callback('onPartBegin');
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state = S.HEADER_FIELD_START;
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break;
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}
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} else if (flags & F.LAST_BOUNDARY) {
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if (c === HYPHEN) {
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callback('onPartEnd');
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state = S.END;
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flags = 0;
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} else {
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index = 0;
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}
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} else {
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index = 0;
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}
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}
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if (index > 0) {
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// when matching a possible boundary, keep a lookbehind reference
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// in case it turns out to be a false lead
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lookbehind[index - 1] = c;
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} else if (previousIndex > 0) {
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// if our boundary turned out to be rubbish, the captured lookbehind
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// belongs to partData
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const _lookbehind = new Uint8Array(lookbehind.buffer, lookbehind.byteOffset, lookbehind.byteLength);
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callback('onPartData', 0, previousIndex, _lookbehind);
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previousIndex = 0;
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mark('onPartData');
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// reconsider the current character even so it interrupted the sequence
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// it could be the beginning of a new sequence
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i--;
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}
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break;
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case S.END:
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break;
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default:
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throw new Error(`Unexpected state entered: ${state}`);
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}
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}
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dataCallback('onHeaderField');
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dataCallback('onHeaderValue');
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dataCallback('onPartData');
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// Update properties for the next call
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this.index = index;
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this.state = state;
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this.flags = flags;
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}
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end() {
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if ((this.state === S.HEADER_FIELD_START && this.index === 0) ||
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(this.state === S.PART_DATA && this.index === this.boundary.length)) {
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this.onPartEnd();
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} else if (this.state !== S.END) {
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throw new Error('MultipartParser.end(): stream ended unexpectedly');
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}
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}
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}
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function _fileName(headerValue) {
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// matches either a quoted-string or a token (RFC 2616 section 19.5.1)
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const m = headerValue.match(/\bfilename=("(.*?)"|([^()<>@,;:\\"/[\]?={}\s\t]+))($|;\s)/i);
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if (!m) {
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return;
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}
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const match = m[2] || m[3] || '';
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let filename = match.slice(match.lastIndexOf('\\') + 1);
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filename = filename.replace(/%22/g, '"');
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filename = filename.replace(/&#(\d{4});/g, (m, code) => {
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return String.fromCharCode(code);
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});
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return filename;
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}
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async function toFormData(Body, ct) {
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if (!/multipart/i.test(ct)) {
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throw new TypeError('Failed to fetch');
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}
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const m = ct.match(/boundary=(?:"([^"]+)"|([^;]+))/i);
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if (!m) {
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throw new TypeError('no or bad content-type header, no multipart boundary');
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}
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const parser = new MultipartParser(m[1] || m[2]);
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let headerField;
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let headerValue;
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let entryValue;
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let entryName;
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let contentType;
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let filename;
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const entryChunks = [];
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const formData = new formdata_polyfill_esm_min_js__WEBPACK_IMPORTED_MODULE_1__/* .FormData */ .Ct();
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const onPartData = ui8a => {
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entryValue += decoder.decode(ui8a, {stream: true});
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};
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const appendToFile = ui8a => {
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entryChunks.push(ui8a);
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};
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const appendFileToFormData = () => {
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const file = new fetch_blob_from_js__WEBPACK_IMPORTED_MODULE_0__/* .File */ .$B(entryChunks, filename, {type: contentType});
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formData.append(entryName, file);
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};
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const appendEntryToFormData = () => {
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formData.append(entryName, entryValue);
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};
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const decoder = new TextDecoder('utf-8');
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decoder.decode();
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parser.onPartBegin = function () {
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parser.onPartData = onPartData;
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parser.onPartEnd = appendEntryToFormData;
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headerField = '';
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headerValue = '';
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entryValue = '';
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entryName = '';
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contentType = '';
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filename = null;
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entryChunks.length = 0;
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};
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parser.onHeaderField = function (ui8a) {
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headerField += decoder.decode(ui8a, {stream: true});
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};
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parser.onHeaderValue = function (ui8a) {
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headerValue += decoder.decode(ui8a, {stream: true});
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};
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parser.onHeaderEnd = function () {
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headerValue += decoder.decode();
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headerField = headerField.toLowerCase();
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if (headerField === 'content-disposition') {
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// matches either a quoted-string or a token (RFC 2616 section 19.5.1)
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const m = headerValue.match(/\bname=("([^"]*)"|([^()<>@,;:\\"/[\]?={}\s\t]+))/i);
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if (m) {
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entryName = m[2] || m[3] || '';
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}
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filename = _fileName(headerValue);
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if (filename) {
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parser.onPartData = appendToFile;
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parser.onPartEnd = appendFileToFormData;
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}
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} else if (headerField === 'content-type') {
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contentType = headerValue;
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}
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headerValue = '';
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headerField = '';
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};
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for await (const chunk of Body) {
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parser.write(chunk);
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}
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parser.end();
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return formData;
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}
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/***/ })
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};
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;
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//# sourceMappingURL=37.index.js.map
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