func()

in plugin/v2/plugin.go [136:160]

• 22 lines of code
• 4 McCabe index (conditional complexity)

func (g *Plugin) Decrypt(ctx context.Context, request *DecryptRequest) (*DecryptResponse, error) {
	glog.V(4).Infof("Processing request for decryption %s using %s", request.Uid, request.KeyId)
	defer plugin.RecordCloudKMSOperation("decrypt", time.Now().UTC())

	keyResourceName := g.keyURI
	if request.KeyId != "" { // request.KeyId is empty when health checker calls this method from PingKMS()
		keyResourceName = extractKeyName(request.KeyId)
	}
	resp, err := g.keyService.Decrypt(keyResourceName, &cloudkms.DecryptRequest{
		Ciphertext: base64.StdEncoding.EncodeToString(request.Ciphertext),
	}).Context(ctx).Do()
	if err != nil {
		plugin.CloudKMSOperationalFailuresTotal.WithLabelValues("decrypt").Inc()
		return nil, err
	}

	plain, err := base64.StdEncoding.DecodeString(resp.Plaintext)
	if err != nil {
		return nil, fmt.Errorf("failed to decode from base64, error: %w", err)
	}

	return &DecryptResponse{
		Plaintext: plain,
	}, nil
}