104 lines
2.5 KiB
JavaScript
104 lines
2.5 KiB
JavaScript
var net = require('net');
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var http = require('http');
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var fs = require('fs');
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var winston = require("winston");
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const logger = winston.createLogger({
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transports: [
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new winston.transports.File({filename: 'proxy.log'})
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]
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});
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class HttpRequest {
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constructor(attrs) {
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this.attrs = attrs;
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this.logSomething = this.logSomething.bind(this);
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this.forwardRequest = this.forwardRequest.bind(this);
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}
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// TODO - not working yet. will come back to this.
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logSomething() {
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logger.log({
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level: 'info',
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message: this.attrs
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})
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}
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async forwardRequest() {
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// TODO - rebuild the request and return it to the client.
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}
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}
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/**
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* Parse an HTTP request.
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* @param {String} bytes
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*/
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async function parseHttpRequest(bytes) {
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let httpRequestAttrs = {headers: {}};
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bytes.split("\r\n").map((row) => {
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// Match against HTTP verbs from the first row.
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if (row.match('GET|POST|PUT|PATCH|UPDATE|DELETE')) {
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console.log("FIRST ROW");
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console.log(row);
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let typeInfo = row.split(" ");
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if (typeInfo.length !== 3) {
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console.log("Bad HTTP request");
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return null;
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}
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httpRequestAttrs["Method"] = typeInfo[0];
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httpRequestAttrs["Path"] = typeInfo[1];
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httpRequestAttrs["HttpVersion"] = typeInfo[2];
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} else {
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let currentRow = row.split(":");
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console.log(currentRow);
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if (currentRow[0] !== '')
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httpRequestAttrs.headers[currentRow[0]] = currentRow[1].trim();
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}
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});
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return new HttpRequest(httpRequestAttrs);
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}
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/**
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* Log the request and forward it.
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* @param {String} bytes
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*/
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async function logAndSend(bytes) {
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console.log(bytes)
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}
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function startServer() {
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var server = net.createServer((socket) => {
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socket.on('end', (c) => {
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console.log("Client disconnected");
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});
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socket.on("data", (c) => {
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parseHttpRequest(c.toString())
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.then((req) => {
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req.logSomething();
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return req;
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})
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.then((req) => {
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})
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});
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})
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server.on('connection', (c) => {
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console.log("Client connected!");
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});
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server.listen(8124, () => {
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console.log("Server bound.");
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});
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return server;
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}
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startServer();
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module.exports = [parseHttpRequest];
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