Allow server to make backups

internal/component/info/info.go

@@ -0,0 +1,59 @@
+package info
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/component"
+	"github.com/FAU-CDI/wisski-distillery/internal/component/instances"
+	"github.com/FAU-CDI/wisski-distillery/internal/component/snapshots"
+	"github.com/FAU-CDI/wisski-distillery/pkg/httpx"
+	"github.com/tkw1536/goprogram/stream"
+)
+
+type Info struct {
+	component.ComponentBase
+
+	SnapshotManager *snapshots.Manager
+	Instances       *instances.Instances
+}
+
+func (Info) Name() string { return "control-info" }
+
+func (*Info) Routes() []string { return []string{"/dis/"} }
+
+func (info *Info) Handler(route string, context context.Context, io stream.IOStream) (http.Handler, error) {
+	mux := http.NewServeMux()
+
+	// handle everything
+	mux.HandleFunc(route, func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == route {
+			http.Redirect(w, r, route+"/index", http.StatusTemporaryRedirect)
+			return
+		}
+		http.NotFound(w, r)
+	})
+
+	// add a handler for the index page
+	mux.Handle(route+"index", httpx.HTMLHandler[indexPageContext]{
+		Handler:  info.indexPageAPI,
+		Template: indexTemplate,
+	})
+
+	// add a handler for the instance page
+	mux.Handle(route+"instance/", httpx.HTMLHandler[instancePageContext]{
+		Handler:  info.instancePageAPI,
+		Template: instanceTemplate,
+	})
+
+	handler := &httpx.WebSocket{
+		Context:  context,
+		Fallback: mux,
+		Handler:  info.serveSocket,
+	}
+
+	// ensure that everyone is logged in!
+	return httpx.BasicAuth(handler, "WissKI Distillery Admin", func(user, pass string) bool {
+		return user == info.Config.DisAdminUser && pass == info.Config.DisAdminPassword
+	}), nil
+}