func()

in pkg/tasks/container/identity.go [53:113]

• 45 lines of code
• 12 McCabe index (conditional complexity)

func (t *IdentityTask) Run(ctx context.Context) error {
	// Check arguments
	if types.IsNil(t.OutputWriter) {
		return errors.New("unable to run task with a nil outputWriter provider")
	}
	if types.IsNil(t.Transformer) {
		return errors.New("unable to run task with a nil transformer")
	}
	if t.Description == "" {
		return fmt.Errorf("description must not be blank")
	}

	// Select appropriate strategy.
	var generator identity.PrivateKeyGeneratorFunc

	if fips.Enabled() {
		generator = key.P384
	} else {
		switch t.Version {
		case LegacyIdentity:
			generator = key.Legacy
		case ModernIdentity:
			generator = key.Ed25519
		case NISTIdentity:
			generator = key.P384
		default:
			return fmt.Errorf("invalid or unsupported identity version '%d'", t.Version)
		}
	}

	// Create identity
	id, payload, err := identity.New(rand.Reader, t.Description, generator)
	if err != nil {
		return fmt.Errorf("unable to create a new identity: %w", err)
	}

	// Encrypt the private key.
	identityPrivate, err := t.Transformer.To(ctx, payload)
	if err != nil {
		return fmt.Errorf("unable to encrypt the private identity key: %w", err)
	}

	// Assign private key
	id.Private = &identity.PrivateKey{
		Content: base64.RawURLEncoding.EncodeToString(identityPrivate),
	}

	// Retrieve output writer
	writer, err := t.OutputWriter(ctx)
	if err != nil {
		return fmt.Errorf("unable to retrieve output writer handle: %w", err)
	}

	// Create identity output
	if err := json.NewEncoder(writer).Encode(id); err != nil {
		return fmt.Errorf("unable to serialize final identity: %w", err)
	}

	// No error
	return nil
}