snapshot of https://github.com/ory/keto.git (master, 2026-09-16; blobs > 131072B omitted)

oryx/serverx/404.go

@@ -0,0 +1,43 @@
+// Copyright © 2023 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package serverx
+
+import (
+	_ "embed"
+	"net/http"
+
+	"github.com/ory/herodot/httputil"
+)
+
+//go:embed 404.html
+var page404HTML string
+
+//go:embed 404.json
+var page404JSON string
+
+// DefaultNotFoundHandler is a default handler for handling 404 errors.
+var DefaultNotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+	var contentType, body string
+	switch httputil.NegotiateContentType(r, []string{
+		"text/html",
+		"text/plain",
+		"application/json",
+	}, "text/html") {
+	case "text/plain":
+		contentType = "text/plain"
+		body = "Error 404 - The requested route does not exist. Make sure you are using the right path, domain, and port."
+	case "application/json":
+		contentType = "application/json"
+		body = page404JSON
+	default:
+		fallthrough
+	case "text/html":
+		contentType = "text/html"
+		body = page404HTML
+	}
+
+	w.Header().Set("Content-Type", contentType+"; charset=utf-8")
+	w.WriteHeader(http.StatusNotFound)
+	_, _ = w.Write([]byte(body))
+})