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feat: prefer to TLS if we can find TLS key and cert

Browse source 
/backend/tls/fullchain.pem
/backend/tls/privkey.pem

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>
This commit is contained in:
Syrone Wong 2022-08-14 15:29:05 +08:00
commit 2d4ef28d26
1 changed files with 46 additions and 8 deletions
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54
backend/bin/www
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@ -7,26 +7,64 @@ require("dotenv").config();
var app = require("../app"); var app = require("../app");
var debug = require("debug")("zero-ui:server"); var debug = require("debug")("zero-ui:server");
var fs = require("fs");
var http = require("http"); var http = require("http");
var https = require("https");
var path = require("path");
const cert_path = path.join(__dirname, "..", "tls", "fullchain.pem");
const privkey_path = path.join(__dirname, "..", "tls", "privkey.pem");
let can_read_cert = true,
can_read_privkey = true;
let statOptions = { throwIfNoEntry: false };
let cert_stat = fs.statSync(cert_path, statOptions);
let privkey_stat = fs.statSync(privkey_path, statOptions);
if (!cert_stat) {
console.error(`cannot read cert at ${cert_path}`);
can_read_cert = false;
}
if (!privkey_stat) {
console.error(`cannot read privkey at ${privkey_path}`);
can_read_privkey = false;
}
let can_use_tls = can_read_cert && can_read_privkey;
let server;
if (can_use_tls) {
// only start HTTP server if we cannot find cert and key.
let option = {
key: fs.readFileSync(privkey_path),
cert: fs.readFileSync(cert_path),
honorCipherOrder: true,
minVersion: "TLSv1.3",
};
server = https.createServer(option, app);
debug("setting up TLS server");
} else {
server = http.createServer(app);
debug("setting up HTTP server");
}
/** /**
* Get port from environment and store in Express. * Get port from environment and store in Express.
*/ */
var port = normalizePort(process.env.PORT || "4000"); var port = normalizePort(process.env.ZU_LISTEN_PORT || "4000");
app.set("port", port); app.set("port", port);
/**
* Create HTTP server.
*/
var server = http.createServer(app);
/** /**
* Listen on provided port, on all network interfaces. * Listen on provided port, on all network interfaces.
*/ */
server.listen(port, process.env.LISTEN_ADDRESS || "0.0.0.0"); if (can_use_tls) {
// only bind to all network interfaces if TLS is available.
server.listen(port, process.env.LISTEN_ADDRESS || "0.0.0.0");
} else {
server.listen(port, process.env.LISTEN_ADDRESS || "localhost");
}
server.on("error", onError); server.on("error", onError);
server.on("listening", onListening); server.on("listening", onListening);