Base64 encode note titles

internal/notes/notes.go

@@ -4,6 +4,7 @@ package notes
 
 import (
 	"bytes"
+	"encoding/base64"
 	"fmt"
 	"html/template"
 	"log"
@@ -29,7 +30,7 @@ func fmtPath(path string) string {
 
 // Save a note to a path derived from the title
 func (n *Note) Save() error {
-	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(n.Title))
+	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(n.EncodedTitle()))
 	return os.WriteFile(filename, n.Body, 0600)
 }
 
@@ -50,12 +51,13 @@ func (n *Note) Render() {
 }
 
 // Load a note from the disk. The path is derived from the title
-func LoadNote(title string) (*Note, error) {
-	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(title))
+func LoadNote(encodedTitle string) (*Note, error) {
+	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(encodedTitle))
 	body, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
+	title := DecodeTitle(encodedTitle)
 	return &Note{Title: title, Body: body}, nil
 }
 
@@ -63,3 +65,16 @@ func DeleteNote(title string) error {
 	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(title))
 	return os.Remove(filename)
 }
+
+func (n *Note) EncodedTitle() string {
+	return base64.StdEncoding.EncodeToString([]byte(n.Title))
+}
+
+func DecodeTitle(encodedTitle string) string {
+	title, err := base64.StdEncoding.DecodeString(encodedTitle)
+	if err != nil {
+		log.Printf("Couldn't decode base64 string '%s': %s", encodedTitle, err)
+	}
+
+	return string(title)
+}