From af5baa999c14b2ef9a6e1adb17dd2f18103b5adb Mon Sep 17 00:00:00 2001
From: Thibault Piron <thibault.piron.ext@ovhcloud.com>
Date: Tue, 9 Sep 2025 15:57:23 +0200
Subject: [PATCH] fix: display error page if note not found (#24)

Fix panic when trying to access a non existing note with the "pretty" url (.html)

Reviewed-on: https://git.riou.xyz/jriou/coller/pulls/24
Reviewed-by: Julien Riou <jriou@monitoring@riou.xyz>
Co-authored-by: Thibault Piron <thibault.piron.ext@ovhcloud.com>
Co-committed-by: Thibault Piron <thibault.piron.ext@ovhcloud.com>
---
 src/server/server.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/server/server.go b/src/server/server.go
index 419c553..20e91c0 100644
--- a/src/server/server.go
+++ b/src/server/server.go
@@ -377,6 +377,12 @@ func (h *GetProtectedWebNoteHandler) ServeHTTP(w http.ResponseWriter, r *http.Re
 		return
 	}
 
+	if note == nil {
+		h.PageData.Err = fmt.Errorf("Note doesn't exist or has been deleted")
+		h.Templates.ExecuteTemplate(w, templateName, h.PageData)
+		return
+	}
+
 	if password != "" && note.Encrypted {
 		note.Content, err = internal.Decrypt(note.Content, password)
 		if err != nil {