svrjs/reverse-proxy-mod
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Improve error handling and also prevent configuration file leakage.

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This commit is contained in:
Dorian Niemiec 2023-08-15 16:38:21 +02:00
parent 32d654c924
commit 4a21ef9e6e
2 changed files with 20 additions and 9 deletions
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27
index.js
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@ -1,4 +1,5 @@
var fs = require("fs"); var fs = require("fs");
var os = require("os");
var http = require("http"); var http = require("http");
var https = require("https"); var https = require("https");
@ -34,7 +35,7 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
if (!port) port = 80; if (!port) port = 80;
if (!securePort && secureHostname) securePort = 443; if (!securePort && secureHostname) securePort = 443;
if (!hostname) { if (!hostname) {
callServerError(500, "reverse-proxy-mod/1.0.2", new Error("Proxy server is misconfigured. Hostname property is missing.")); callServerError(500, "reverse-proxy-mod/1.0.4", new Error("Proxy server is misconfigured. Hostname property is missing."));
return; return;
} }
try { try {
@ -71,23 +72,33 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
delete sres.headers["keep-alive"]; delete sres.headers["keep-alive"];
delete sres.headers["Keep-Alive"]; delete sres.headers["Keep-Alive"];
res.writeHead(sres.statusCode, sres.headers); res.writeHead(sres.statusCode, sres.headers);
sres.pipe(res, { sres.pipe(res);
end: true res.prependListener("end", function() {
try {
sres.end();
} catch(ex) {}
}); });
}); });
proxy.on("error", (ex) => { proxy.on("error", (ex) => {
try { try {
if (ex.code == "ETIMEDOUT") { if (ex.code == "ENOTFOUND" || ex.code == "EHOSTUNREACH" || ex.code == "ECONNREFUSED") {
callServerError(504, "reverse-proxy-mod/1.0.2", ex); //Server error callServerError(503, "reverse-proxy-mod/1.0.4", ex); //Server error
} else if (ex.code == "ETIMEDOUT") {
callServerError(504, "reverse-proxy-mod/1.0.4", ex); //Server error
} else { } else {
callServerError(502, "reverse-proxy-mod/1.0.2", ex); //Server error callServerError(502, "reverse-proxy-mod/1.0.4", ex); //Server error
} }
} catch (ex) {} } catch (ex) {}
serverconsole.errmessage("Client fails to recieve content."); //Log into SVR.JS serverconsole.errmessage("Client fails to recieve content."); //Log into SVR.JS
}); });
req.pipe(proxy, { req.pipe(proxy);
end: true req.prependListener("end", function() {
try {
proxy.end();
} catch(ex) {}
}); });
} else if ((href == "/reverse-proxy-config.json" || (os.platform() == "win32" && href.toLowerCase() == "/reverse-proxy-config.json")) && path.normalize(__dirname + "/../../..") == process.cwd()) {
callServerError(403, "reverse-proxy-mod/1.02");
} else { } else {
elseCallback(); elseCallback();
} }

2
mod.info
View file

@ -1,4 +1,4 @@
{ {
"name": "Reverse proxy mod for SVR.JS 3.x", "name": "Reverse proxy mod for SVR.JS 3.x",
"version": "Nightly-GitMaster" "version": "Nightly-GitMain"
} }