svrjs/reverse-proxy-mod
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Add support for reverse proxy paths

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This commit is contained in:
Dorian Niemiec 2023-09-01 17:58:59 +02:00
parent 4c9f2edece
commit 6b24b28c3c
2 changed files with 25 additions and 11 deletions
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34
index.js
View file

@ -13,11 +13,16 @@ function Mod() {}
Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd, href, ext, uobject, search, defaultpage, users, page404, head, foot, fd, elseCallback, configJSON, callServerError, getCustomHeaders, origHref, redirect, parsePostData) { Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd, href, ext, uobject, search, defaultpage, users, page404, head, foot, fd, elseCallback, configJSON, callServerError, getCustomHeaders, origHref, redirect, parsePostData) {
return function () { return function () {
var hostnames = Object.keys(proxyConfig); var hostnames = Object.keys(proxyConfig);
var isPath = false;
var matchingHostname = null; var matchingHostname = null;
for (var i = 0; i < hostnames.length; i++) { for (var i = 0; i < hostnames.length; i++) {
if (hostnames[i] == "*") { if (hostnames[i] == "*") {
matchingHostname = "*"; matchingHostname = "*";
break; break;
} else if (hostnames[i][0] == "/" && (href == hostnames[i] || href.indexOf(hostnames[i] + "/") == 0)) {
matchingHostname = hostnames[i];
isPath = true;
break;
} else if (req.headers.host && hostnames[i].indexOf("*.") == 0 && hostnames[i] != "*.") { } else if (req.headers.host && hostnames[i].indexOf("*.") == 0 && hostnames[i] != "*.") {
var hostnamesRoot = hostnames[i].substr(2); var hostnamesRoot = hostnames[i].substr(2);
if (req.headers.host == hostnamesRoot || req.headers.host.indexOf("." + hostnamesRoot) == req.headers.host.length - hostnamesRoot.length - 1) { if (req.headers.host == hostnamesRoot || req.headers.host.indexOf("." + hostnamesRoot) == req.headers.host.length - hostnamesRoot.length - 1) {
@ -37,7 +42,7 @@ 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/1.1.0", new Error("Proxy server is misconfigured. Hostname property is missing.")); callServerError(500, "reverse-proxy-mod/1.1.1", new Error("Proxy server is misconfigured. Hostname property is missing."));
return; return;
} }
try { try {
@ -46,6 +51,15 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
res.removeHeader(x[i]); res.removeHeader(x[i]);
} }
} catch (ex) {} } catch (ex) {}
var preparedPath = req.url;
if(isPath) {
if(preparedPath == matchingHostname) {
preparedPath = "/";
} else {
preparedPath = preparedPath.replace(matchingHostname + "/","");
if(preparedPath == "") preparedPath = "/";
}
}
var hdrs = JSON.parse(JSON.stringify(req.headers)); var hdrs = JSON.parse(JSON.stringify(req.headers));
hdrs["x-forwarded-for"] = req.socket.remoteAddress; hdrs["x-forwarded-for"] = req.socket.remoteAddress;
hdrs["x-forwarded-proto"] = req.socket.encrypted ? "https" : "http"; hdrs["x-forwarded-proto"] = req.socket.encrypted ? "https" : "http";
@ -64,7 +78,7 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
}, function () { }, function () {
serverconsole.resmessage("Connected to back-end!"); serverconsole.resmessage("Connected to back-end!");
socket.pipe(res.socket); socket.pipe(res.socket);
socket.write(req.method + " " + req.url + " HTTP/1.1\r\n"); socket.write(req.method + " " + preparedPath + " HTTP/1.1\r\n");
Object.keys(hdrs).forEach(function (headerName) { Object.keys(hdrs).forEach(function (headerName) {
var header = hdrs[headerName]; var header = hdrs[headerName];
if (typeof header === "object") { if (typeof header === "object") {
@ -80,11 +94,11 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
}).on("error", (ex) => { }).on("error", (ex) => {
try { try {
if (ex.code == "ENOTFOUND" || ex.code == "EHOSTUNREACH" || ex.code == "ECONNREFUSED") { if (ex.code == "ENOTFOUND" || ex.code == "EHOSTUNREACH" || ex.code == "ECONNREFUSED") {
callServerError(503, "reverse-proxy-mod/1.1.0", ex); //Server error callServerError(503, "reverse-proxy-mod/1.1.1", ex); //Server error
} else if (ex.code == "ETIMEDOUT") { } else if (ex.code == "ETIMEDOUT") {
callServerError(504, "reverse-proxy-mod/1.1.0", ex); //Server error callServerError(504, "reverse-proxy-mod/1.1.1", ex); //Server error
} else { } else {
callServerError(502, "reverse-proxy-mod/1.1.0", ex); //Server error callServerError(502, "reverse-proxy-mod/1.1.1", 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
@ -94,7 +108,7 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
var options = { var options = {
hostname: (secureHostname && req.socket.encrypted) ? secureHostname : hostname, hostname: (secureHostname && req.socket.encrypted) ? secureHostname : hostname,
port: (secureHostname && req.socket.encrypted) ? securePort : port, port: (secureHostname && req.socket.encrypted) ? securePort : port,
path: req.url, path: preparedPath,
method: req.method, method: req.method,
headers: hdrs, headers: hdrs,
joinDuplicateHeaders: true, joinDuplicateHeaders: true,
@ -121,11 +135,11 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
proxy.on("error", (ex) => { proxy.on("error", (ex) => {
try { try {
if (ex.code == "ENOTFOUND" || ex.code == "EHOSTUNREACH" || ex.code == "ECONNREFUSED") { if (ex.code == "ENOTFOUND" || ex.code == "EHOSTUNREACH" || ex.code == "ECONNREFUSED") {
callServerError(503, "reverse-proxy-mod/1.1.0", ex); //Server error callServerError(503, "reverse-proxy-mod/1.1.1", ex); //Server error
} else if (ex.code == "ETIMEDOUT") { } else if (ex.code == "ETIMEDOUT") {
callServerError(504, "reverse-proxy-mod/1.1.0", ex); //Server error callServerError(504, "reverse-proxy-mod/1.1.1", ex); //Server error
} else { } else {
callServerError(502, "reverse-proxy-mod/1.1.0", ex); //Server error callServerError(502, "reverse-proxy-mod/1.1.1", 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
@ -138,7 +152,7 @@ Mod.prototype.callback = function callback(req, res, serverconsole, responseEnd,
}); });
} }
} else if ((href == "/reverse-proxy-config.json" || (os.platform() == "win32" && href.toLowerCase() == "/reverse-proxy-config.json")) && path.normalize(__dirname + "/../../..") == process.cwd()) { } 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/1.1.0"); callServerError(403, "reverse-proxy-mod/1.1.1");
} 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": "1.1.0" "version": "1.1.1"
} }