add newsletter

main.go

@@ -12,7 +12,8 @@ import (
 )
 
 type Config struct {
-	Job string `json:"job"`
+	Job    string   `json:"job"`
+	Emails []string `json:"emails"`
 }
 
 func loadConfig() (*Config, error) {
@@ -24,6 +25,14 @@ func loadConfig() (*Config, error) {
 	return &c, json.Unmarshal(data, &c)
 }
 
+func saveConfig(c *Config) error {
+	data, err := json.MarshalIndent(c, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile("data.json", data, 0644)
+}
+
 // ---------- Main ----------
 
 func main() {
@@ -49,19 +58,29 @@ func main() {
 	http.HandleFunc("GET /favicon.ico", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/icon.png") })
 	http.HandleFunc("GET /login", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/login.html") })
 
-	http.HandleFunc("POST /login", func(w http.ResponseWriter, r *http.Request) {
-		r.ParseForm()
-
-		password := r.FormValue("password")
-		totp := r.FormValue("totp")
-
-		if os.Getenv("password") == password && os.Getenv("auth") == totp {
-			fmt.Fprintf(w, "logged in")
-			http.Redirect(w, r, "/admin", http.StatusAccepted)
-		} else {
-			w.WriteHeader(http.StatusAccepted)
-			fmt.Fprintf(w, "password or auth is wrong")
+	http.HandleFunc("POST /newsletter/subscribe", func(w http.ResponseWriter, r *http.Request) {
+		var req struct {
+			Email string `json:"email"`
 		}
+
+		err := json.NewDecoder(r.Body).Decode(&req)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		double := false
+
+		conf, err := loadConfig()
+		for _, e := range conf.Emails {
+			if e == req.Email {
+				double = true
+			}
+		}
+		if !double {
+			conf.Emails = append(conf.Emails, req.Email)
+		}
+		saveConfig(conf)
 	})
 
 	http.HandleFunc("GET /status", func(w http.ResponseWriter, r *http.Request) {