v0

internal/services/token_service.go

@@ -0,0 +1,162 @@
+package services
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+
+	"github.com/kms/api-key-service/internal/domain"
+	"github.com/kms/api-key-service/internal/repository"
+)
+
+// tokenService implements the TokenService interface
+type tokenService struct {
+	tokenRepo repository.StaticTokenRepository
+	appRepo   repository.ApplicationRepository
+	permRepo  repository.PermissionRepository
+	grantRepo repository.GrantedPermissionRepository
+	logger    *zap.Logger
+}
+
+// NewTokenService creates a new token service
+func NewTokenService(
+	tokenRepo repository.StaticTokenRepository,
+	appRepo repository.ApplicationRepository,
+	permRepo repository.PermissionRepository,
+	grantRepo repository.GrantedPermissionRepository,
+	logger *zap.Logger,
+) TokenService {
+	return &tokenService{
+		tokenRepo: tokenRepo,
+		appRepo:   appRepo,
+		permRepo:  permRepo,
+		grantRepo: grantRepo,
+		logger:    logger,
+	}
+}
+
+// CreateStaticToken creates a new static token
+func (s *tokenService) CreateStaticToken(ctx context.Context, req *domain.CreateStaticTokenRequest, userID string) (*domain.CreateStaticTokenResponse, error) {
+	s.logger.Info("Creating static token", zap.String("app_id", req.AppID), zap.String("user_id", userID))
+
+	// TODO: Validate permissions
+	// TODO: Validate application exists
+	// TODO: Generate secure token
+	// TODO: Grant permissions
+
+	tokenID := uuid.New()
+	now := time.Now()
+
+	// Create the token entity
+	token := &domain.StaticToken{
+		ID:    tokenID,
+		AppID: req.AppID,
+		Owner: domain.Owner{
+			Type:  domain.OwnerTypeIndividual,
+			Name:  userID,
+			Owner: userID,
+		},
+		KeyHash:   "placeholder-hash-" + tokenID.String(),
+		Type:      "hmac",
+		CreatedAt: now,
+		UpdatedAt: now,
+	}
+
+	// Save the token to the database
+	err := s.tokenRepo.Create(ctx, token)
+	if err != nil {
+		s.logger.Error("Failed to create token in database", zap.Error(err), zap.String("token_id", tokenID.String()))
+		return nil, fmt.Errorf("failed to create token: %w", err)
+	}
+
+	response := &domain.CreateStaticTokenResponse{
+		ID:          tokenID,
+		Token:       "static-token-placeholder-" + tokenID.String(),
+		Permissions: req.Permissions,
+		CreatedAt:   now,
+	}
+
+	s.logger.Info("Static token created successfully", zap.String("token_id", tokenID.String()))
+	return response, nil
+}
+
+// ListByApp lists all tokens for an application
+func (s *tokenService) ListByApp(ctx context.Context, appID string, limit, offset int) ([]*domain.StaticToken, error) {
+	s.logger.Debug("Listing tokens for application", zap.String("app_id", appID))
+
+	// TODO: Implement actual token listing
+	return []*domain.StaticToken{}, nil
+}
+
+// Delete deletes a token
+func (s *tokenService) Delete(ctx context.Context, tokenID uuid.UUID, userID string) error {
+	s.logger.Info("Deleting token", zap.String("token_id", tokenID.String()), zap.String("user_id", userID))
+
+	// Check if token exists
+	exists, err := s.tokenRepo.Exists(ctx, tokenID)
+	if err != nil {
+		s.logger.Error("Failed to check token existence", zap.Error(err), zap.String("token_id", tokenID.String()))
+		return err
+	}
+
+	if !exists {
+		s.logger.Error("Token not found", zap.String("token_id", tokenID.String()))
+		return fmt.Errorf("token with ID '%s' not found", tokenID.String())
+	}
+
+	// Delete the token
+	err = s.tokenRepo.Delete(ctx, tokenID)
+	if err != nil {
+		s.logger.Error("Failed to delete token", zap.Error(err), zap.String("token_id", tokenID.String()))
+		return err
+	}
+
+	// TODO: Revoke associated permissions
+
+	return nil
+}
+
+// GenerateUserToken generates a user token
+func (s *tokenService) GenerateUserToken(ctx context.Context, appID, userID string, permissions []string) (string, error) {
+	s.logger.Info("Generating user token", zap.String("app_id", appID), zap.String("user_id", userID))
+
+	// TODO: Validate application
+	// TODO: Validate permissions
+	// TODO: Generate JWT token
+
+	return "user-token-placeholder-" + userID, nil
+}
+
+// VerifyToken verifies a token and returns verification response
+func (s *tokenService) VerifyToken(ctx context.Context, req *domain.VerifyRequest) (*domain.VerifyResponse, error) {
+	s.logger.Debug("Verifying token", zap.String("app_id", req.AppID), zap.String("type", string(req.Type)))
+
+	// TODO: Implement actual token verification logic
+	response := &domain.VerifyResponse{
+		Valid:       true,
+		UserID:      req.UserID,
+		Permissions: []string{"basic"},
+		TokenType:   req.Type,
+	}
+
+	return response, nil
+}
+
+// RenewUserToken renews a user token
+func (s *tokenService) RenewUserToken(ctx context.Context, req *domain.RenewRequest) (*domain.RenewResponse, error) {
+	s.logger.Info("Renewing user token", zap.String("app_id", req.AppID), zap.String("user_id", req.UserID))
+
+	// TODO: Validate current token
+	// TODO: Generate new token with extended expiry but same max valid date
+
+	response := &domain.RenewResponse{
+		Token:      "renewed-token-placeholder",
+		ExpiresAt:  time.Now().Add(7 * 24 * time.Hour),
+		MaxValidAt: time.Now().Add(30 * 24 * time.Hour),
+	}
+
+	return response, nil
+}