restructuring, config and readme

backend/internal/auth/controller.go

@@ -0,0 +1,53 @@
+package auth
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"git.schreifuchs.ch/schreifuchs/ng-blog/backend/internal/model"
+)
+
+func (s *Service) Login(w http.ResponseWriter, r *http.Request) {
+	login := model.Login{}
+	if err := json.NewDecoder(r.Body).Decode(&login); err != nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	if login.Name == s.cfg.AdminName && login.Password == s.cfg.AdminPassword {
+		token, err := createJWT([]byte(s.cfg.Secret))
+		if err != nil {
+			w.WriteHeader(http.StatusUnauthorized)
+			return
+		}
+
+		err = json.NewEncoder(w).Encode(&model.LoginResponse{
+			Token: token,
+		})
+		if err != nil {
+			w.WriteHeader(http.StatusUnauthorized)
+			return
+		}
+		w.WriteHeader(http.StatusOK)
+		return
+	}
+}
+
+func (s *Service) Authenticated(next http.HandlerFunc) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Our middleware logic goes here...
+		token, err := extractToken(r)
+		if err != nil {
+			w.WriteHeader(http.StatusUnauthorized)
+			return
+		}
+
+		err = validateJWT(token, []byte(s.cfg.Secret))
+		if err != nil {
+			w.WriteHeader(http.StatusUnauthorized)
+			return
+		}
+
+		next(w, r)
+	})
+}