Russell2259
60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.joinHeaders = exports.splitHeaders = void 0;
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const headers_polyfill_1 = require("headers-polyfill");
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const BareServer_js_1 = require("./BareServer.js");
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const MAX_HEADER_VALUE = 3072;
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/**
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*
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* Splits headers according to spec
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* @param headers
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* @returns Split headers
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*/
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function splitHeaders(headers) {
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const output = new headers_polyfill_1.Headers(headers);
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if (headers.has('x-bare-headers')) {
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const value = headers.get('x-bare-headers');
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if (value.length > MAX_HEADER_VALUE) {
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output.delete('x-bare-headers');
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let split = 0;
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for (let i = 0; i < value.length; i += MAX_HEADER_VALUE) {
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const part = value.slice(i, i + MAX_HEADER_VALUE);
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const id = split++;
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output.set(`x-bare-headers-${id}`, `;${part}`);
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}
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}
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}
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return output;
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}
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exports.splitHeaders = splitHeaders;
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/**
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* Joins headers according to spec
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* @param headers
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* @returns Joined headers
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*/
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function joinHeaders(headers) {
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const output = new headers_polyfill_1.Headers(headers);
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const prefix = 'x-bare-headers';
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if (headers.has(`${prefix}-0`)) {
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const join = [];
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for (const [header, value] of headers) {
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if (!header.startsWith(prefix)) {
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continue;
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}
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if (!value.startsWith(';')) {
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throw new BareServer_js_1.BareError(400, {
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code: 'INVALID_BARE_HEADER',
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id: `request.headers.${header}`,
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message: `Value didn't begin with semi-colon.`,
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});
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}
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const id = parseInt(header.slice(prefix.length + 1));
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join[id] = value.slice(1);
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output.delete(header);
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}
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output.set(prefix, join.join(''));
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}
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return output;
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}
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exports.joinHeaders = joinHeaders;
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//# sourceMappingURL=splitHeaderUtil.js.map
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