Add "Site not found" functionality

2 files changed, 20 insertions, 1 deletions

diff --git a/main.go b/main.go
index 1886736..84dcd6e 100644
--- a/main.go
+++ b/main.go
@@ -47,6 +47,7 @@ func main() {
 
 	mux := http.NewServeMux()
 
+	// handlers that DO NOT require authentification
 	mux.Handle("GET /login", loginPage())
 	mux.HandleFunc("POST /login", handleLogin)
 	mux.Handle("GET /logout", handleLogout())
@@ -57,11 +58,13 @@ func main() {
 	handler = handlers.CombinedLoggingHandler(os.Stderr, handler)
 	handler = handlers.ProxyHeaders(handler)
 
-	// the real content, needing authentification
+	// setup authentification
 	authMux := http.NewServeMux()
 	mux.Handle("/", RequireAuth(authMux))
 
+	// handlers that required authentification
 	authMux.Handle("GET /{$}", indexPage())
+	authMux.Handle("GET /", notfound())
 
 	log.Fatal(http.ListenAndServe(os.Getenv("GOSTEN_ADDRESS"), handler))
 }
@@ -79,3 +82,9 @@ func indexPage() http.HandlerFunc {
 		showTemplate(w, "index", u.Name)
 	}
 }
+
+func notfound() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		showTemplate(w, "404", r.RequestURI)
+	}
+}
diff --git a/templ/404.tpl b/templ/404.tpl
new file mode 100644
index 0000000..b0a3658
--- /dev/null
+++ b/templ/404.tpl
@@ -0,0 +1,10 @@
+{{define "main"}}
+    <div class="alert alert-danger d-flex align-items-center" role="alert">
+        <svg class="me-2" role="img" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewBox="0 0 16 16">
+            <path d="M9.05.435c-.58-.58-1.52-.58-2.1 0L.436 6.95c-.58.58-.58 1.519 0 2.098l6.516 6.516c.58.58 1.519.58 2.098 0l6.516-6.516c.58-.58.58-1.519 0-2.098zM8 4c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 4.995A.905.905 0 0 1 8 4m.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2"/>
+          </svg>
+          <div>
+            Seite <span class="fst-italic">{{.}}</span> nicht gefunden!
+          </div>
+    </div>
+{{end}}
\ No newline at end of file