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[READ-ONLY] Mirror of https://github.com/flo-bit/shapecraft. flo-bit.dev/shapecraft
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3.9 kB · 101 lines
JavaScript
at commit da69385e
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101"use strict";var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod };};Object.defineProperty(exports, "__esModule", { value: true });exports.parseProxyResponse = void 0;const debug_1 = __importDefault(require("debug"));const debug = (0, debug_1.default)('https-proxy-agent:parse-proxy-response');function parseProxyResponse(socket) { return new Promise((resolve, reject) => { // we need to buffer any HTTP traffic that happens with the proxy before we get // the CONNECT response, so that if the response is anything other than an "200" // response code, then we can re-play the "data" events on the socket once the // HTTP parser is hooked up... let buffersLength = 0; const buffers = []; function read() { const b = socket.read(); if (b) ondata(b); else socket.once('readable', read); } function cleanup() { socket.removeListener('end', onend); socket.removeListener('error', onerror); socket.removeListener('readable', read); } function onend() { cleanup(); debug('onend'); reject(new Error('Proxy connection ended before receiving CONNECT response')); } function onerror(err) { cleanup(); debug('onerror %o', err); reject(err); } function ondata(b) { buffers.push(b); buffersLength += b.length; const buffered = Buffer.concat(buffers, buffersLength); const endOfHeaders = buffered.indexOf('\r\n\r\n'); if (endOfHeaders === -1) { // keep buffering debug('have not received end of HTTP headers yet...'); read(); return; } const headerParts = buffered .slice(0, endOfHeaders) .toString('ascii') .split('\r\n'); const firstLine = headerParts.shift(); if (!firstLine) { socket.destroy(); return reject(new Error('No header received from proxy CONNECT response')); } const firstLineParts = firstLine.split(' '); const statusCode = +firstLineParts[1]; const statusText = firstLineParts.slice(2).join(' '); const headers = {}; for (const header of headerParts) { if (!header) continue; const firstColon = header.indexOf(':'); if (firstColon === -1) { socket.destroy(); return reject(new Error(`Invalid header from proxy CONNECT response: "${header}"`)); } const key = header.slice(0, firstColon).toLowerCase(); const value = header.slice(firstColon + 1).trimStart(); const current = headers[key]; if (typeof current === 'string') { headers[key] = [current, value]; } else if (Array.isArray(current)) { current.push(value); } else { headers[key] = value; } } debug('got proxy server response: %o %o', firstLine, headers); cleanup(); resolve({ connect: { statusCode, statusText, headers, }, buffered, }); } socket.on('error', onerror); socket.on('end', onend); read(); });}exports.parseProxyResponse = parseProxyResponse;//# sourceMappingURL=parse-proxy-response.js.map