1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef NET_CERT_CRL_SET_STORAGE_H_ 6#define NET_CERT_CRL_SET_STORAGE_H_ 7 8#include <string> 9#include <utility> 10#include <vector> 11 12#include "base/strings/string_piece.h" 13#include "net/base/net_export.h" 14#include "net/cert/crl_set.h" 15 16namespace base { 17class DictionaryValue; 18} 19 20namespace net { 21 22// Static helpers to save and load CRLSet. 23class NET_EXPORT CRLSetStorage { 24 public: 25 // Parse parses the bytes in |data| and, on success, puts a new CRLSet in 26 // |out_crl_set| and returns true. 27 static bool Parse(base::StringPiece data, 28 scoped_refptr<CRLSet>* out_crl_set); 29 30 // ApplyDelta returns a new CRLSet in |out_crl_set| that is the result of 31 // updating |in_crl_set| with the delta information in |delta_bytes|. 32 static bool ApplyDelta(const CRLSet* in_crl_set, 33 const base::StringPiece& delta_bytes, 34 scoped_refptr<CRLSet>* out_crl_set); 35 36 // GetIsDeltaUpdate extracts the header from |bytes|, sets *is_delta to 37 // whether |bytes| is a delta CRL set or not and returns true. In the event 38 // of a parse error, it returns false. 39 static bool GetIsDeltaUpdate(const base::StringPiece& bytes, bool *is_delta); 40 41 // Serialize returns a string of bytes suitable for passing to Parse. Parsing 42 // and serializing a CRLSet is a lossless operation - the resulting bytes 43 // will be equal. 44 static std::string Serialize(const CRLSet* crl_set); 45 46 private: 47 // CopyBlockedSPKIsFromHeader sets |blocked_spkis_| to the list of values 48 // from "BlockedSPKIs" in |header_dict|. 49 static bool CopyBlockedSPKIsFromHeader(CRLSet* crl_set, 50 base::DictionaryValue* header_dict); 51}; 52 53} // namespace net 54 55#endif // NET_CERT_CRL_SET_STORAGE_H_ 56