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// Copyright (c) 2012 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 CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_PARSER_H_
#define CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_PARSER_H_
// Parsers and formatters for SafeBrowsing v3.0 protocol:
// https://developers.google.com/safe-browsing/developers_guide_v3
//
// The quoted references are with respect to that document.
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/scoped_vector.h"
#include "chrome/browser/safe_browsing/safe_browsing_util.h"
namespace base {
class TimeDelta;
};
namespace safe_browsing {
// TODO(shess): Maybe the data/len pairs could be productively replaced with
// const base::StringPiece&.
// Parse body of "HTTP Response for Data". |*next_update_sec| is the minimum
// delay to next update. |*reset| is set to true if the update requested a
// database reset. |*chunk_deletes| receives add-del and sub-del requests,
// while |*chunk_urls| receives the list of redirect urls to fetch. Returns
// |false| if the update could not be decoded properly, in which case all
// results should be discarded.
bool ParseUpdate(const char* chunk_data,
size_t chunk_len,
size_t* next_update_sec,
bool* reset,
std::vector<SBChunkDelete>* chunk_deletes,
std::vector<ChunkUrl>* chunk_urls);
// Parse body of a redirect response. |*chunks| receives the parsed chunk data.
// Returns |false| if the data could not be parsed correctly, in which case all
// results should be discarded.
bool ParseChunk(const char* chunk_data,
size_t chunk_len,
ScopedVector<SBChunkData>* chunks);
// Parse body of "HTTP Response for Full-Length Hashes", returning the list of
// full hashes. Returns |false| if the data could not be parsed correctly, in
// which case all results should be discarded.
bool ParseGetHash(const char* chunk_data,
size_t chunk_len,
base::TimeDelta* cache_lifetime,
std::vector<SBFullHashResult>* full_hashes);
// Convert prefix hashes into a "HTTP Request for Full-Length Hashes" body.
std::string FormatGetHash(const std::vector<SBPrefix>& prefixes);
// Format the LIST part of "HTTP Request for Data" body.
std::string FormatList(const SBListChunkRanges& list);
} // namespace safe_browsing
#endif // CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_PARSER_H_
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