code refactoring

server/user/handlers.go

@@ -0,0 +1,68 @@
+package user
+
+import (
+	"encoding/json"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/config"
+)
+
+const TOKEN_COOKIE_NAME = "jwt-yt-dlp-webui"
+
+type LoginRequest struct {
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+func Login(w http.ResponseWriter, r *http.Request) {
+	var req LoginRequest
+
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	var (
+		username = config.Instance().Username
+		password = config.Instance().Password
+	)
+
+	if username != req.Username || password != req.Password {
+		http.Error(w, "invalid username or password", http.StatusBadRequest)
+		return
+	}
+
+	expiresAt := time.Now().Add(time.Hour * 24 * 30)
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+		"expiresAt": expiresAt,
+		"username":  req.Username,
+	})
+
+	tokenString, err := token.SignedString([]byte(os.Getenv("JWT_SECRET")))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if err := json.NewEncoder(w).Encode(tokenString); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+func Logout(w http.ResponseWriter, r *http.Request) {
+	cookie := &http.Cookie{
+		Name:     TOKEN_COOKIE_NAME,
+		HttpOnly: true,
+		Secure:   false,
+		Expires:  time.Now(),
+		Value:    "",
+		Path:     "/",
+	}
+
+	http.SetCookie(w, cookie)
+}