feat: activity log backend foundation

internal/infrastructure/useCases/AuthenticateUser.go

@@ -1,20 +1,37 @@
 package useCases
 
 import (
+	"RenewCMS/internal/domain/audit"
 	"RenewCMS/internal/domain/hash"
 	"RenewCMS/internal/domain/user"
+	"context"
+	"errors"
 )
 
 type AuthenticateUserUseCase struct {
 	userRepository user.Repository
 	hasher         hash.Hasher
+	recorder       audit.Recorder
 }
 
-func NewAuthenticateUserUseCase(userRepository user.Repository, hasher hash.Hasher) *AuthenticateUserUseCase {
-	return &AuthenticateUserUseCase{userRepository, hasher}
+func NewAuthenticateUserUseCase(userRepository user.Repository, hasher hash.Hasher, recorder audit.Recorder) *AuthenticateUserUseCase {
+	return &AuthenticateUserUseCase{userRepository, hasher, recorder}
 }
 
-func (a *AuthenticateUserUseCase) Authenticate(username string, password string) (user.User, error) {
+func (a *AuthenticateUserUseCase) Authenticate(ctx context.Context, username string, password string) (user.User, error) {
+	dbUser, err := a.verifyCredentials(username, password)
+	if err != nil {
+		a.recordRejectedLogin(ctx, username, err)
+		return user.User{}, err
+	}
+
+	event := audit.NewEvent(audit.ActionLogin, audit.CategoryAuth)
+	event.Actor = audit.UserActor(dbUser)
+	a.recorder.Record(ctx, event)
+	return dbUser, nil
+}
+
+func (a *AuthenticateUserUseCase) verifyCredentials(username string, password string) (user.User, error) {
 	dbUser, err := a.userRepository.GetByUsername(username)
 	if err != nil {
 		return user.User{}, err
@@ -26,3 +43,24 @@ func (a *AuthenticateUserUseCase) Authenticate(username string, password string)
 
 	return dbUser, nil
 }
+
+func (a *AuthenticateUserUseCase) recordRejectedLogin(ctx context.Context, username string, cause error) {
+	if !errors.Is(cause, user.ErrUserNotFound) && !errors.Is(cause, user.ErrInvalidCredentials) {
+		return
+	}
+	reason := audit.ReasonWrongLogin
+	event := audit.NewEvent(audit.ActionLoginFailed, audit.CategoryAuth)
+	event.Actor = audit.AnonymousActor(username)
+	event.Outcome = audit.OutcomeFailed
+	event.FailureReason = &reason
+	event.Security = true
+	a.recorder.Record(ctx, event)
+}
+
+func (a *AuthenticateUserUseCase) Logout(ctx context.Context) {
+	origin, ok := audit.OriginFrom(ctx)
+	if !ok || origin.Actor.Type != audit.ActorUser {
+		return
+	}
+	a.recorder.Record(ctx, audit.NewEvent(audit.ActionLogout, audit.CategoryAuth))
+}