refac: split the auth handler into registration and login, account verification, and password reset handlers, each with its own dependencies

2026-09-25 06:14:53 +02:00
1 parent 3282b0580c
commit 9b47685002
@@ -0,0 +1,136 @@
+package auth
+
+import (
+	"RenewCMS/api/pkg/apperr"
+	validator "RenewCMS/api/pkg/validator"
+	"RenewCMS/internal/domain/user"
+	"RenewCMS/internal/infrastructure/useCases"
+	"encoding/json"
+	"errors"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/jwtauth/v5"
+)
+
+type LoginHandler struct {
+	Token               *jwtauth.JWTAuth
+	CreateUseCase       *useCases.CreateUserUseCase
+	AuthenticateUseCase *useCases.AuthenticateUserUseCase
+	IsProduction        bool
+}
+
+type RegisterCredentials struct {
+	Username string `json:"username" validate:"required,min=3,max=20"`
+	Password string `json:"password" validate:"required,min=8"`
+	Email    string `json:"email" validate:"required,email"`
+}
+
+type LoginCredentials struct {
+	Username string `json:"username" validate:"required,min=3,max=20"`
+	Password string `json:"password" validate:"required,min=8"`
+}
+
+func NewLoginHandler(token *jwtauth.JWTAuth, create *useCases.CreateUserUseCase, authenticate *useCases.AuthenticateUserUseCase, isProduction bool) *LoginHandler {
+	return &LoginHandler{
+		Token:               token,
+		CreateUseCase:       create,
+		AuthenticateUseCase: authenticate,
+		IsProduction:        isProduction,
+	}
+}
+
+func removeJwtCookie(w http.ResponseWriter, isProduction bool) {
+	http.SetCookie(w, &http.Cookie{
+		Name:     "jwt",
+		Value:    "",
+		Expires:  time.Now(),
+		MaxAge:   -1,
+		Secure:   isProduction,
+		HttpOnly: true,
+		Path:     "/",
+	})
+}
+
+func (h *LoginHandler) SetJwtCookie(w *http.ResponseWriter, u user.User) error {
+	_, tokenString, err := h.Token.Encode(map[string]any{"user_id": u.ID, "token_version": u.TokenVersion})
+	if err != nil {
+		return err
+	}
+	http.SetCookie(*w, &http.Cookie{
+		Name:     "jwt",
+		Value:    tokenString,
+		Expires:  time.Now().Add(24 * time.Hour),
+		Secure:   h.IsProduction,
+		HttpOnly: true,
+		Path:     "/",
+	})
+	return nil
+}
+
+func (h *LoginHandler) Login(w http.ResponseWriter, r *http.Request) {
+	var credentials LoginCredentials
+
+	err := json.NewDecoder(r.Body).Decode(&credentials)
+	if err != nil {
+		http.Error(w, apperr.BodyErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	err = validator.Validate.Struct(credentials)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	dbUser, err := h.AuthenticateUseCase.Authenticate(credentials.Username, credentials.Password)
+	if err != nil {
+		http.Error(w, apperr.LogsErrorMessage, http.StatusForbidden)
+		return
+	}
+
+	_ = h.SetJwtCookie(&w, dbUser)
+
+	message, _ := json.Marshal(map[string]any{"message": "User logged in! HTTPonly jwt cookie created"})
+	_, _ = w.Write(message)
+}
+
+func (h *LoginHandler) Register(w http.ResponseWriter, r *http.Request) {
+	var credentials RegisterCredentials
+	err := json.NewDecoder(r.Body).Decode(&credentials)
+	if err != nil {
+		http.Error(w, apperr.BodyErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	err = validator.Validate.Struct(credentials)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	createdUser, err := h.CreateUseCase.CreateUser(useCases.CreateUserCommand{
+		Username: credentials.Username,
+		Password: credentials.Password,
+		Email:    credentials.Email,
+	})
+	if err != nil {
+		if errors.Is(err, user.ErrRegistrationClosed) {
+			http.Error(w, apperr.RegistrationClosedErrorMessage, http.StatusForbidden)
+			return
+		}
+		http.Error(w, apperr.RegistrationFailedErrorMessage, http.StatusInternalServerError)
+		return
+	}
+
+	_ = h.SetJwtCookie(&w, createdUser)
+
+	message, _ := json.Marshal(map[string]any{"message": "User registered! HTTPonly jwt cookie created"})
+	_, _ = w.Write(message)
+}
+
+func (h *LoginHandler) Logout(w http.ResponseWriter, _ *http.Request) {
+	removeJwtCookie(w, h.IsProduction)
+	message, _ := json.Marshal(map[string]any{"message": "User logged out! HTTPonly jwt cookie deleted"})
+	_, _ = w.Write(message)
+}