Quelle http2_server.js Sprache: JAVA

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

/* globals require, __dirname, global, Buffer, process */

const fs = require("fs");
const options = {
  key: fs.readFileSync(__dirname + "/mochitest-cert.key.pem"),
  cert: fs.readFileSync(__dirname + "/mochitest-cert.pem"),
  settings: {
    enableConnectProtocol: true,
  },
};
const http2 = require("http2");
const http = require("http");
const url = require("url");
const path = require("path");

// This is the path of node-ws when running mochitest locally.
let node_ws_root = path.join(__dirname, "../../xpcshell/node-ws");
if (!fs.existsSync(node_ws_root)) {
  // This path is for running mochitest on try.
  node_ws_root = path.join(__dirname, "./node_ws");
}

const WebSocket = require(`${node_ws_root}/lib/websocket`);

let listeningPort = parseInt(process.argv[3].split("=")[1]);
let log = function () {};

function handle_h2_non_connect(stream, headers) {
  const session = stream.session;
  const uri = new URL(
    `${headers[":scheme"]}://${headers[":authority"]}${headers[":path"]}`
  );
  const url = uri.toString();

  log("REQUEST:", url);
  log("REQUEST HEADER:", JSON.stringify(headers));

  stream.on("close", () => {
    log("REQUEST STREAM CLOSED:", stream.rstCode);
  });
  stream.on("error", error => {
    log("RESPONSE STREAM ERROR", error, url, "on session:", session.__id);
  });

  let newHeaders = {};
  for (let key in headers) {
    if (!key.startsWith(":")) {
      newHeaders[key] = headers[key];
    }
  }

  const options = {
    protocol: "http:",
    hostname: "127.0.0.1",
    port: 8888,
    path: headers[":path"],
    method: headers[":method"],
    headers: newHeaders,
  };

  log("OPTION:", JSON.stringify(options));
  const request = http.request(options);

  stream.pipe(request);

  request.on("response", response => {
    const headers = Object.fromEntries(
      Object.entries(response.headers).filter(
        ([key]) =>
          !["connection", "transfer-encoding", "keep-alive"].includes(key)
      )
    );
    headers[":status"] = response.statusCode;
    log("RESPONSE BEGIN", url, headers, "on session:", session.__id);

    try {
      stream.respond(headers);

      response.on("data", data => {
        log("RESPONSE DATA", data.length, url);
        stream.write(data);
      });
      response.on("error", error => {
        log("RESPONSE ERROR", error, url, "on session:", session.__id);
        stream.close(http2.constants.NGHTTP2_REFUSED_STREAM);
      });
      response.on("end", () => {
        log("RESPONSE END", url, "on session:", session.__id);
        stream.end();
      });
    } catch (exception) {
      log("RESPONSE EXCEPTION", exception, url, "on session:", session.__id);
      stream.close();
    }
  });
  request.on("error", error => {
    console.error("REQUEST ERROR", error, url, "on session:", session.__id);
    try {
      stream.respond({
        ":status": 502,
        "content-type": "application/proxy-explanation+json",
      });
      stream.end(
        JSON.stringify({
          title: "request error",
          description: error.toString(),
        })
      );
    } catch (exception) {
      stream.close();
    }
  });
}

let server = http2.createSecureServer(options);

let session_count = 0;
let session_id = 0;

server.on("session", session => {
  session.__id = ++session_id;
  session.__tunnel_count = 0;

  ++session_count;
  if (session_count === 1) {
    log(`\n\n>>> FIRST SESSION OPENING\n`);
  }
  log(`*** NEW SESSION`, session.__id, "( sessions:", session_count, ")");

  session.on("error", error => {
    console.error("SESSION ERROR", session.__id, error);
  });
  session.on("close", () => {
    --session_count;
    log(`*** CLOSED SESSION`, session.__id, "( sessions:", session_count, ")");
    if (!session_count) {
      log(`\n\n<<< LAST SESSION CLOSED\n`);
    }
  });
});

server.on("stream", (stream, headers) => {
  if (headers[":method"] === "CONNECT") {
    stream.respond();

    const ws = new WebSocket(null);
    stream.setNoDelay = () => {};
    ws.setSocket(stream, Buffer.from(""), 100 * 1024 * 1024);

    ws.on("message", data => {
      ws.send(data);
    });
  } else {
    handle_h2_non_connect(stream, headers);
  }
});

server.listen(listeningPort);

console.log(`Http2 server listening on ports ${server.address().port}`);

quality94%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.