Discovery: DID registration by clients

discovery/api/v1/client/http.go

@@ -0,0 +1,40 @@
+package client
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"github.com/nuts-foundation/go-did/vc"
+	"github.com/nuts-foundation/nuts-node/core"
+	"net/http"
+)
+
+// Invoker is the interface for the client that invokes the remote Discovery Service.
+type Invoker interface {
+	// Register registers a Verifiable Presentation on the remote Discovery Service.
+	Register(ctx context.Context, serviceEndpointURL string, presentation vc.VerifiablePresentation) error
+}
+
+var _ Invoker = &HTTPInvoker{}
+
+// HTTPInvoker is a
+type HTTPInvoker struct {
+	client core.HTTPRequestDoer
+}
+
+func (h HTTPInvoker) Register(ctx context.Context, serviceEndpointURL string, presentation vc.VerifiablePresentation) error {
+	requestBody, _ := presentation.MarshalJSON()
+	httpRequest, err := http.NewRequestWithContext(ctx, http.MethodPost, serviceEndpointURL, bytes.NewReader(requestBody))
+	if err != nil {
+		return err
+	}
+	httpResponse, err := h.client.Do(httpRequest)
+	if err != nil {
+		return fmt.Errorf("failed to invoke remote Discovery Service (url=%s): %w", serviceEndpointURL, err)
+	}
+	defer httpResponse.Body.Close()
+	if err := core.TestResponseCode(201, httpResponse); err != nil {
+		return fmt.Errorf("non-OK response from remote Discovery Service (url=%s): %w", serviceEndpointURL, err)
+	}
+	return nil
+}