Add --disable-proxy option (#6349)

src/node/routes/domainProxy.ts

@@ -1,6 +1,6 @@
 import { Request, Router } from "express"
 import { HttpCode, HttpError } from "../../common/http"
-import { getHost, authenticated, ensureAuthenticated, ensureOrigin, redirect, self } from "../http"
+import { getHost, ensureProxyEnabled, authenticated, ensureAuthenticated, ensureOrigin, redirect, self } from "../http"
 import { proxy } from "../proxy"
 import { Router as WsRouter } from "../wsRouter"
 
@@ -59,6 +59,8 @@ router.all("*", async (req, res, next) => {
     return next()
   }
 
+  ensureProxyEnabled(req)
+
   // Must be authenticated to use the proxy.
   const isAuthenticated = await authenticated(req)
   if (!isAuthenticated) {
@@ -100,6 +102,8 @@ wsRouter.ws("*", async (req, _, next) => {
   if (!port) {
     return next()
   }
+
+  ensureProxyEnabled(req)
   ensureOrigin(req)
   await ensureAuthenticated(req)
   proxy.ws(req, req.ws, req.head, {

src/node/routes/pathProxy.ts

@@ -3,7 +3,7 @@ import * as path from "path"
 import * as qs from "qs"
 import * as pluginapi from "../../../typings/pluginapi"
 import { HttpCode, HttpError } from "../../common/http"
-import { authenticated, ensureAuthenticated, ensureOrigin, redirect, self } from "../http"
+import { ensureProxyEnabled, authenticated, ensureAuthenticated, ensureOrigin, redirect, self } from "../http"
 import { proxy as _proxy } from "../proxy"
 
 const getProxyTarget = (req: Request, passthroughPath?: boolean): string => {
@@ -21,6 +21,8 @@ export async function proxy(
     passthroughPath?: boolean
   },
 ): Promise<void> {
+  ensureProxyEnabled(req)
+
   if (!(await authenticated(req))) {
     // If visiting the root (/:port only) redirect to the login page.
     if (!req.params[0] || req.params[0] === "/") {
@@ -50,6 +52,7 @@ export async function wsProxy(
     passthroughPath?: boolean
   },
 ): Promise<void> {
+  ensureProxyEnabled(req)
   ensureOrigin(req)
   await ensureAuthenticated(req)
   _proxy.ws(req, req.ws, req.head, {