wss for websockets on tls and single page application behavior (#107)

portal-ui/src/screens/Console/Logs/Logs.tsx

@@ -24,6 +24,7 @@ import { createStyles, Theme, withStyles } from "@material-ui/core/styles";
 import { niceBytes } from "../../../common/utils";
 import Ansi from "ansi-to-react";
 import { isNull, isNullOrUndefined } from "util";
+import { wsProtocol } from "../../../utils/wsUtils";
 
 const styles = (theme: Theme) =>
   createStyles({
@@ -79,7 +80,11 @@ const Logs = ({
     const isDev = process.env.NODE_ENV === "development";
     const port = isDev ? "9090" : url.port;
 
-    const c = new W3CWebSocket(`ws://${url.hostname}:${port}/ws/console`);
+    const wsProt = wsProtocol(url.protocol);
+
+    const c = new W3CWebSocket(
+      `${wsProt}://${url.hostname}:${port}/ws/console`
+    );
 
     let interval: any | null = null;
     if (c !== null) {

portal-ui/src/screens/Console/Trace/Trace.tsx

@@ -22,6 +22,7 @@ import { traceMessageReceived, traceResetMessages } from "./actions";
 import { TraceMessage } from "./types";
 import { createStyles, Theme, withStyles } from "@material-ui/core/styles";
 import { niceBytes } from "../../../common/utils";
+import { wsProtocol } from "../../../utils/wsUtils";
 
 const styles = (theme: Theme) =>
   createStyles({
@@ -61,7 +62,8 @@ const Trace = ({
     const isDev = process.env.NODE_ENV === "development";
     const port = isDev ? "9090" : url.port;
 
-    const c = new W3CWebSocket(`ws://${url.hostname}:${port}/ws/trace`);
+    const wsProt = wsProtocol(url.protocol);
+    const c = new W3CWebSocket(`${wsProt}://${url.hostname}:${port}/ws/trace`);
 
     let interval: any | null = null;
     if (c !== null) {

portal-ui/src/utils/wsUtils.ts

@@ -0,0 +1,22 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2020 MinIO, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+export const wsProtocol = (protocol: string): string => {
+  let wsProtocol = "ws";
+  if (protocol == "https:") {
+    wsProtocol = "wss";
+  }
+  return wsProtocol;
+};

restapi/configure_mcs.go

@@ -27,7 +27,7 @@ import (
 	"github.com/minio/mcs/models"
 	"github.com/minio/mcs/pkg/auth"
 
-	assetfs "github.com/elazarl/go-bindata-assetfs"
+	assetFS "github.com/elazarl/go-bindata-assetfs"
 
 	portalUI "github.com/minio/mcs/portal-ui"
 
@@ -167,11 +167,44 @@ func FileServerMiddleware(next http.Handler) http.Handler {
 		case strings.HasPrefix(r.URL.Path, "/api"):
 			next.ServeHTTP(w, r)
 		default:
-			http.FileServer(&assetfs.AssetFS{
+			assets := assetFS.AssetFS{
 				Asset:     portalUI.Asset,
 				AssetDir:  portalUI.AssetDir,
 				AssetInfo: portalUI.AssetInfo,
-				Prefix:    "build"}).ServeHTTP(w, r)
+				Prefix:    "build"}
+			wrapHandlerSinglePageApplication(http.FileServer(&assets)).ServeHTTP(w, r)
+
 		}
 	})
 }
+
+type notFoundRedirectRespWr struct {
+	http.ResponseWriter // We embed http.ResponseWriter
+	status              int
+}
+
+func (w *notFoundRedirectRespWr) WriteHeader(status int) {
+	w.status = status // Store the status for our own use
+	if status != http.StatusNotFound {
+		w.ResponseWriter.WriteHeader(status)
+	}
+}
+
+func (w *notFoundRedirectRespWr) Write(p []byte) (int, error) {
+	if w.status != http.StatusNotFound {
+		return w.ResponseWriter.Write(p)
+	}
+	return len(p), nil // Lie that we successfully wrote it
+}
+
+// wrapHandlerSinglePageApplication handles a http.FileServer returning a 404 and overrides it with index.html
+func wrapHandlerSinglePageApplication(h http.Handler) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		nfrw := &notFoundRedirectRespWr{ResponseWriter: w}
+		h.ServeHTTP(nfrw, r)
+		if nfrw.status == 404 {
+			log.Printf("Redirecting %s to index.html.", r.RequestURI)
+			http.Redirect(w, r, "/index.html", http.StatusFound)
+		}
+	}
+}