| // 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 NET_QUIC_SPDY_UTILS_H_ |
| #define NET_QUIC_SPDY_UTILS_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "net/base/net_export.h" |
| #include "net/quic/quic_header_list.h" |
| #include "net/quic/quic_protocol.h" |
| #include "net/spdy/spdy_framer.h" |
| |
| namespace net { |
| |
| class NET_EXPORT_PRIVATE SpdyUtils { |
| public: |
| static std::string SerializeUncompressedHeaders( |
| const SpdyHeaderBlock& headers); |
| |
| // Parses |data| as a std::string containing serialized HTTP/2 HEADERS frame, |
| // populating |headers| with the key->value std:pairs found. |
| // |content_length| will be populated with the value of the content-length |
| // header if one or more are present. |
| // Returns true on success, false if parsing fails, or invalid keys are found. |
| static bool ParseHeaders(const char* data, |
| uint32_t data_len, |
| int64_t* content_length, |
| SpdyHeaderBlock* headers); |
| |
| // Parses |data| as a std::string containing serialized HTTP/2 HEADERS frame, |
| // populating |trailers| with the key->value std:pairs found. |
| // The final offset header will be excluded from |trailers|, and instead the |
| // value will be copied to |final_byte_offset|. |
| // Returns true on success, false if parsing fails, or invalid keys are found. |
| static bool ParseTrailers(const char* data, |
| uint32_t data_len, |
| size_t* final_byte_offset, |
| SpdyHeaderBlock* trailers); |
| |
| // Copies a list of headers to a SpdyHeaderBlock. Performs similar validation |
| // to SpdyFramer::ParseHeaderBlockInBuffer and ParseHeaders, above. |
| static bool CopyAndValidateHeaders(const QuicHeaderList& header_list, |
| int64_t* content_length, |
| SpdyHeaderBlock* headers); |
| |
| // Copies a list of headers to a SpdyHeaderBlock. Performs similar validation |
| // to SpdyFramer::ParseHeaderBlockInBuffer and ParseTrailers, above. |
| static bool CopyAndValidateTrailers(const QuicHeaderList& header_list, |
| size_t* final_byte_offset, |
| SpdyHeaderBlock* trailers); |
| |
| // Returns URL composed from scheme, authority, and path header |
| // values, or empty string if any of those fields are missing. |
| static std::string GetUrlFromHeaderBlock(const net::SpdyHeaderBlock& headers); |
| |
| // Returns hostname, or empty std::string if missing. |
| static std::string GetHostNameFromHeaderBlock(const SpdyHeaderBlock& headers); |
| |
| // Returns true if result of |GetUrlFromHeaderBlock()| is non-empty |
| // and is a well-formed URL. |
| static bool UrlIsValid(const net::SpdyHeaderBlock& headers); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SpdyUtils); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_QUIC_SPDY_UTILS_H_ |