xjwt "github.com/minio/minio/internal/jwt"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/mcontext"
	"github.com/minio/pkg/v2/policy"
)

// Verify if request has JWT.
func isRequestJWT(r *http.Request) bool {
	return strings.HasPrefix(r.Header.Get(xhttp.Authorization), jwtAlgorithm)
}

// Verify if request has AWS Signature Version '4'.
func isRequestSignatureV4(r *http.Request) bool {

	authTypeCount := 0
	for _, hasValidAuth := range []func(*http.Request) bool{
		isRequestSignatureV2, isRequestPresignedSignatureV2,
		isRequestSignatureV4, isRequestPresignedSignatureV4,
		isRequestJWT, isRequestPostPolicySignatureV4,
	} {
		if hasValidAuth(r) {
			authTypeCount++
		}
	}
	return authTypeCount > 1
}

// requestValidityHandler validates all the incoming paths for