Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/platform/api/quic_hostname_utils.h b/quic/platform/api/quic_hostname_utils.h
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+// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef QUICHE_QUIC_PLATFORM_API_QUIC_HOSTNAME_UTILS_H_
+#define QUICHE_QUIC_PLATFORM_API_QUIC_HOSTNAME_UTILS_H_
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_string.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+#include "net/quic/platform/impl/quic_hostname_utils_impl.h"
+
+namespace quic {
+
+class QUIC_EXPORT_PRIVATE QuicHostnameUtils {
+ public:
+ QuicHostnameUtils() = delete;
+
+ // Returns true if the sni is valid, false otherwise.
+ // (1) disallow IP addresses;
+ // (2) check that the hostname contains valid characters only; and
+ // (3) contains at least one dot.
+ static bool IsValidSNI(QuicStringPiece sni);
+
+ // Canonicalizes the specified hostname. This involves a wide variety of
+ // transformations, including lowercasing, removing trailing dots and IDNA
+ // conversion.
+ static QuicString NormalizeHostname(QuicStringPiece hostname);
+};
+
+} // namespace quic
+
+#endif // QUICHE_QUIC_PLATFORM_API_QUIC_HOSTNAME_UTILS_H_
