refactor: clean code

internal/pkg/sdk3rd/gcore/common/signer.go

@@ -0,0 +1,24 @@
+package common
+
+import (
+	"net/http"
+
+	"github.com/G-Core/gcorelabscdn-go/gcore"
+)
+
+type AuthRequestSigner struct {
+	apiToken string
+}
+
+var _ gcore.RequestSigner = (*AuthRequestSigner)(nil)
+
+func NewAuthRequestSigner(apiToken string) *AuthRequestSigner {
+	return &AuthRequestSigner{
+		apiToken: apiToken,
+	}
+}
+
+func (s *AuthRequestSigner) Sign(req *http.Request) error {
+	req.Header.Set("Authorization", "APIKey "+s.apiToken)
+	return nil
+}