From 6f39a9f4ef20b78bc9b467e0f9f32ea0f784a01e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20Hells=C3=A9n?= <tlovinator@gmail.com>
Date: Sat, 3 Feb 2024 20:00:29 +0100
Subject: [PATCH] Handle 405

---
 main.go            | 15 +++++++++++++++
 templates/405.tmpl | 19 +++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 templates/405.tmpl

diff --git a/main.go b/main.go
index b477889..2a52fce 100644
--- a/main.go
+++ b/main.go
@@ -27,6 +27,7 @@ func main() {
 	r.Handle("/static/*", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
 
 	r.NotFound(NotFoundHandler)
+	r.MethodNotAllowed(MethodNotAllowedHandler)
 
 	log.Println("Listening on http://localhost:8000/ <Ctrl-C> to stop")
 	http.ListenAndServe("127.0.0.1:8000", r)
@@ -85,6 +86,20 @@ func NotFoundHandler(w http.ResponseWriter, r *http.Request) {
 	t.ExecuteTemplate(w, "base", data)
 }
 
+func MethodNotAllowedHandler(w http.ResponseWriter, r *http.Request) {
+	data := Data{
+		Request: r,
+	}
+	data.GetDatabaseSizeAndFeedCount()
+	t, err := template.ParseFiles("templates/base.tmpl", "templates/405.tmpl")
+	if err != nil {
+		http.Error(w, fmt.Sprintf("Internal Server Error: %v", err), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusMethodNotAllowed)
+	t.ExecuteTemplate(w, "base", data)
+}
+
 func IndexHandler(w http.ResponseWriter, _ *http.Request) {
 	renderPage(w, "FeedVault", "FeedVault - A feed archive", "RSS, Atom, Feed, Archive", "TheLovinator", "http://localhost:8000/", "index")
 }
diff --git a/templates/405.tmpl b/templates/405.tmpl
new file mode 100644
index 0000000..3278c61
--- /dev/null
+++ b/templates/405.tmpl
@@ -0,0 +1,19 @@
+{{ define "content" }}
+<span style="text-align: center;">
+<h2>405 - Method Not Allowed</h2>
+<p>The method ({{ .Request.Method }}) is not allowed for the requested URL.</p>
+</span>
+
+<p>
+Extra information:
+<ul>
+    <li>Host: {{ .Request.Host }}</li>
+    <li>Method: {{ .Request.Method }}</li>
+    <li>Proto: {{ .Request.Proto }}</li>
+    <li>RemoteAddr: {{ .Request.RemoteAddr }}</li>
+    <li>RequestURI: {{ .Request.RequestURI }}</li>
+    <li>URL: {{ .Request.URL }}</li>
+    <li>UserAgent: {{ .Request.UserAgent }}</li>
+</ul>
+
+{{ end }}