DorianNiemiecSVRJS/svrjs
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Added redirects middleware.

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Dorian Niemiec 2024-08-23 22:13:58 +02:00
parent 0c9013feac
commit 53024dfdab
2 changed files with 54 additions and 1 deletions
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3
src/index.js
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@ -101,7 +101,8 @@ const serverconsole = serverconsoleConstructor(configJSON.enableLogging);
let middleware = [ let middleware = [
require("./middleware/core.js"), require("./middleware/core.js"),
require("./middleware/urlSanitizer.js") require("./middleware/urlSanitizer.js"),
require("./middleware/redirects.js")
]; ];
function addMiddleware(mw) { function addMiddleware(mw) {

52
src/middleware/redirects.js Normal file
View file

@ -0,0 +1,52 @@
module.exports = (req, res, logFacilities, config, next) => {
// Estimate fromMain from SVR.JS 3.x
let fromMain = !(config.secure && !req.socket.encrypted);
// Handle redirects to HTTPS
if (config.secure && !fromMain && !config.disableNonEncryptedServer && !config.disableToHTTPSRedirect) {
var hostx = req.headers.host;
if (hostx === undefined) {
serverconsole.errmessage("Host header is missing.");
callServerError(400);
return;
}
if (req.isProxy) {
callServerError(501);
serverconsole.errmessage("This server will never be a proxy.");
return;
}
var isPublicServer = !(req.socket.realRemoteAddress ? req.socket.realRemoteAddress : req.socket.remoteAddress).match(/^(?:localhost$|::1$|f[c-d][0-9a-f]{2}:|(?:::ffff:)?(?:(?:127|10)\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}|192\.168\.[0-9]{1,3}\.[0-9]{1,3}|172\.(?:1[6-9]|2[0-9]|3[0-1])\.[0-9]{1,3}\.[0-9]{1,3})$)/i);
var destinationPort = 0;
var parsedHostx = hostx.match(/(\[[^\]]*\]|[^:]*)(?::([0-9]+))?/);
var hostname = parsedHostx[1];
var hostPort = parsedHostx[2] ? parseInt(parsedHostx[2]) : 80;
if (isNaN(hostPort)) hostPort = 80;
if (hostPort == config.port || (config.port == config.pubport && !isPublicServer)) {
destinationPort = config.sport;
} else {
destinationPort = config.spubport;
}
redirect("https://" + hostname + (destinationPort == 443 ? "" : (":" + destinationPort)) + req.url);
return;
}
// Handle redirects to addresses with "www." prefix
if (config.wwwredirect) {
let hostname = req.headers.host.split(":");
let hostport = null;
if (hostname.length > 1 && (hostname[0] != "[" || hostname[hostname.length - 1] != "]")) hostport = hostname.pop();
hostname = hostname.join(":");
if (hostname == domain && hostname.indexOf("www.") != 0) {
res.redirect((req.socket.encrypted ? "https" : "http") + "://www." + hostname + (hostport ? ":" + hostport : "") + req.url.replace(/\/+/g, "/"));
return;
}
}
next();
}