gfe-relnote: n/a(refactor only) Split out utility functions needed on quic
client side from SpdyUtils.
This is for avoiding dependency on GURL from libraries used by both server and client sides.
PiperOrigin-RevId: 256363427
Change-Id: I8aece427461710d3438e099c92d46394834a233c
diff --git a/quic/core/http/spdy_server_push_utils.h b/quic/core/http/spdy_server_push_utils.h
new file mode 100644
index 0000000..3d11b65
--- /dev/null
+++ b/quic/core/http/spdy_server_push_utils.h
@@ -0,0 +1,43 @@
+// Copyright (c) 2013 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_CORE_HTTP_SPDY_SERVER_PUSH_UTILS_H_
+#define QUICHE_QUIC_CORE_HTTP_SPDY_SERVER_PUSH_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_piece.h"
+#include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
+
+namespace quic {
+
+class QUIC_EXPORT_PRIVATE SpdyServerPushUtils {
+ public:
+ SpdyServerPushUtils() = delete;
+
+ // Returns a canonicalized URL composed from the :scheme, :authority, and
+ // :path headers of a PUSH_PROMISE. Returns empty string if the headers do not
+ // conform to HTTP/2 spec or if the ":method" header contains a forbidden
+ // method for PUSH_PROMISE.
+ static std::string GetPromisedUrlFromHeaders(
+ const spdy::SpdyHeaderBlock& headers);
+
+ // Returns hostname, or empty string if missing.
+ static std::string GetPromisedHostNameFromHeaders(
+ const spdy::SpdyHeaderBlock& headers);
+
+ // Returns true if result of |GetPromisedUrlFromHeaders()| is non-empty
+ // and is a well-formed URL.
+ static bool PromisedUrlIsValid(const spdy::SpdyHeaderBlock& headers);
+
+ // Returns a canonical, valid URL for a PUSH_PROMISE with the specified
+ // ":scheme", ":authority", and ":path" header fields, or an empty
+ // string if the resulting URL is not valid or supported.
+ static std::string GetPushPromiseUrl(QuicStringPiece scheme,
+ QuicStringPiece authority,
+ QuicStringPiece path);
+};
+
+} // namespace quic
+
+#endif // QUICHE_QUIC_CORE_HTTP_SPDY_SERVER_PUSH_UTILS_H_
