| // 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 "absl/strings/string_view.h" |
| #include "quiche/quic/platform/api/quic_export.h" |
| #include "quiche/spdy/core/http2_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::Http2HeaderBlock& headers); |
| |
| // Returns hostname, or empty string if missing. |
| static std::string GetPromisedHostNameFromHeaders( |
| const spdy::Http2HeaderBlock& headers); |
| |
| // Returns true if result of |GetPromisedUrlFromHeaders()| is non-empty |
| // and is a well-formed URL. |
| static bool PromisedUrlIsValid(const spdy::Http2HeaderBlock& 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(absl::string_view scheme, |
| absl::string_view authority, |
| absl::string_view path); |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_HTTP_SPDY_SERVER_PUSH_UTILS_H_ |