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66 lines
2.4 KiB
66 lines
2.4 KiB
2 years ago
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const debug_1 = __importDefault(require("debug"));
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const debug = debug_1.default('https-proxy-agent:parse-proxy-response');
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function parseProxyResponse(socket) {
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return new Promise((resolve, reject) => {
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// we need to buffer any HTTP traffic that happens with the proxy before we get
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// the CONNECT response, so that if the response is anything other than an "200"
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// response code, then we can re-play the "data" events on the socket once the
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// HTTP parser is hooked up...
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let buffersLength = 0;
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const buffers = [];
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function read() {
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const b = socket.read();
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if (b)
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ondata(b);
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else
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socket.once('readable', read);
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}
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function cleanup() {
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socket.removeListener('end', onend);
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socket.removeListener('error', onerror);
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socket.removeListener('close', onclose);
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socket.removeListener('readable', read);
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}
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function onclose(err) {
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debug('onclose had error %o', err);
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}
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function onend() {
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debug('onend');
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}
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function onerror(err) {
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cleanup();
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debug('onerror %o', err);
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reject(err);
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}
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function ondata(b) {
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buffers.push(b);
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buffersLength += b.length;
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const buffered = Buffer.concat(buffers, buffersLength);
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const endOfHeaders = buffered.indexOf('\r\n\r\n');
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if (endOfHeaders === -1) {
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// keep buffering
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debug('have not received end of HTTP headers yet...');
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read();
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return;
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}
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const firstLine = buffered.toString('ascii', 0, buffered.indexOf('\r\n'));
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const statusCode = +firstLine.split(' ')[1];
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debug('got proxy server response: %o', firstLine);
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resolve({
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statusCode,
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buffered
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});
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}
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socket.on('error', onerror);
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socket.on('close', onclose);
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socket.on('end', onend);
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read();
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});
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}
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exports.default = parseProxyResponse;
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//# sourceMappingURL=parse-proxy-response.js.map
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