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 16 namespace base { 17 class DictionaryValue; 18 } 19 20 namespace net { 21 22 // Static helpers to save and load CRLSet. 23 class 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