Send request body to authorization server for forward auth

pkg/provider/kubernetes/crd/traefikio/v1alpha1/middleware.go

@@ -161,6 +161,10 @@ type ForwardAuth struct {
 	TLS *ClientTLS `json:"tls,omitempty"`
 	// AddAuthCookiesToResponse defines the list of cookies to copy from the authentication server response to the response.
 	AddAuthCookiesToResponse []string `json:"addAuthCookiesToResponse,omitempty"`
+	// ForwardBody defines whether to send the request body to the authentication server.
+	ForwardBody bool `json:"forwardBody,omitempty"`
+	// MaxBodySize defines the maximum body size in bytes allowed to be forwarded to the authentication server.
+	MaxBodySize *int64 `json:"maxBodySize,omitempty"`
 }
 
 // ClientTLS holds the client TLS configuration.

pkg/provider/kubernetes/crd/traefikio/v1alpha1/zz_generated.deepcopy.go

@@ -266,6 +266,11 @@ func (in *ForwardAuth) DeepCopyInto(out *ForwardAuth) {
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
+	if in.MaxBodySize != nil {
+		in, out := &in.MaxBodySize, &out.MaxBodySize
+		*out = new(int64)
+		**out = **in
+	}
 	return
 }