added privacy policy page and about section, improved dir check, fixed crash when idexer is disabled

main.go

@@ -221,6 +221,7 @@ func runServer() {
 		http.HandleFunc("/save-settings", handleSaveSettings)
 		http.HandleFunc("/image/", handleImageServe)
 		http.HandleFunc("/image_status", handleImageStatus)
+		http.HandleFunc("/privacy", handlePrivacyPage)
 		http.HandleFunc("/opensearch.xml", func(w http.ResponseWriter, r *http.Request) {
 			w.Header().Set("Content-Type", "application/opensearchdescription+xml")
 			http.ServeFile(w, r, "static/opensearch.xml")
@@ -235,6 +236,7 @@ func runServer() {
 		http.HandleFunc("/save-settings", handleWebsiteDisabled)
 		http.HandleFunc("/image/", handleWebsiteDisabled)
 		http.HandleFunc("/image_status", handleWebsiteDisabled)
+		http.HandleFunc("/privacy", handleWebsiteDisabled)
 		http.HandleFunc("/opensearch.xml", handleWebsiteDisabled)
 		printInfo("Website functionality disabled.")
 	}
@@ -252,3 +254,46 @@ func handleWebsiteDisabled(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusServiceUnavailable)
 	_, _ = w.Write([]byte("The website functionality is currently disabled."))
 }
+
+func handlePrivacyPage(w http.ResponseWriter, r *http.Request) {
+	settings := loadUserSettings(w, r)
+	iconPathSVG, iconPathPNG := GetIconPath()
+
+	// Define the data structure for the template
+	data := struct {
+		Theme           string
+		IconPathSVG     string
+		IconPathPNG     string
+		IsThemeDark     bool
+		CookieRows      []CookieRow
+		CurrentLang     string
+		Safe            string
+		LanguageOptions []LanguageOption
+	}{
+		Theme:           settings.Theme,
+		IconPathSVG:     iconPathSVG,
+		IconPathPNG:     iconPathPNG,
+		IsThemeDark:     settings.IsThemeDark,
+		CookieRows:      generateCookieTable(r),
+		CurrentLang:     settings.SiteLanguage,
+		Safe:            settings.SafeSearch,
+		LanguageOptions: languageOptions,
+	}
+
+	// Parse the template
+	tmpl, err := template.New("privacy.html").ParseFiles("templates/privacy.html")
+	if err != nil {
+		log.Printf("Error parsing template: %v", err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	// Set the response content type
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+
+	// Execute the template
+	if err := tmpl.Execute(w, data); err != nil {
+		log.Printf("Error executing template: %v", err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+	}
+}