feat: Option to serve Bootstrap from the filesystem

Signed-off-by: Julien Riou <julien@riou.xyz>

src/server/config.go

@@ -28,6 +28,7 @@ type Config struct {
 	EnableUploadFileButton bool     `json:"enable_upload_file_button"`
 	TLSCertFile            string   `json:"tls_cert_file"`
 	TLSKeyFile             string   `json:"tls_key_file"`
+	BootstrapDirectory     string   `json:"bootstrap_directory"`
 }
 
 func NewConfig() *Config {

src/server/server.go

@@ -196,6 +196,7 @@ type PageData struct {
 	URL                    string
 	Note                   *Note
 	EnableUploadFileButton bool
+	BootstrapDirectory     string
 }
 
 type HomeHandler struct {
@@ -430,10 +431,11 @@ func (s *Server) Start() error {
 		"string":        func(b []byte) string { return string(b) },
 	}
 	p := PageData{
-		Title:       s.config.Title,
-		Expirations: s.config.Expirations,
-		Expiration:  s.config.Expiration,
-		Languages:   s.config.Languages,
+		Title:              s.config.Title,
+		Expirations:        s.config.Expirations,
+		Expiration:         s.config.Expiration,
+		Languages:          s.config.Languages,
+		BootstrapDirectory: s.config.BootstrapDirectory,
 	}
 
 	if s.config.ShowVersion {
@@ -470,6 +472,10 @@ func (s *Server) Start() error {
 	}
 	r.Path("/{id:[a-zA-Z0-9]+}.html").Handler(webNoteHandler).Methods("GET")
 
+	if s.config.BootstrapDirectory != "" {
+		r.PathPrefix("/static/bootstrap/").Handler(http.StripPrefix("/static/bootstrap/", http.FileServer(http.Dir(s.config.BootstrapDirectory))))
+	}
+
 	r.Path("/").Handler(&HomeHandler{Templates: templates, PageData: p}).Methods("GET")
 
 	addr := fmt.Sprintf("%s:%d", s.config.ListenAddress, s.config.ListenPort)

src/server/templates/head.html

@@ -4,6 +4,6 @@
     <title>{{.Title}}</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="{{if ne .BootstrapDirectory ``}}/static/bootstrap/css/bootstrap.min.css{{else}}https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css{{end}}" rel="stylesheet">
 </head>
 {{end}}