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      1 // Copyright (c) 2011 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 CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
      6 #define CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
      7 
      8 #include <secmodt.h>
      9 #include <string>
     10 #include <vector>
     11 
     12 #include "base/basictypes.h"
     13 #include "base/strings/string16.h"
     14 
     15 namespace autofill {
     16 struct PasswordForm;
     17 }
     18 
     19 namespace base {
     20 class FilePath;
     21 }
     22 
     23 // A wrapper for Firefox NSS decrypt component.
     24 class NSSDecryptor {
     25  public:
     26   NSSDecryptor();
     27   ~NSSDecryptor();
     28 
     29   // Initializes NSS if it hasn't already been initialized.
     30   bool Init(const base::FilePath& dll_path, const base::FilePath& db_path);
     31 
     32   // Decrypts Firefox stored passwords. Before using this method,
     33   // make sure Init() returns true.
     34   base::string16 Decrypt(const std::string& crypt) const;
     35 
     36   // Parses the Firefox password file content, decrypts the
     37   // username/password and reads other related information.
     38   // The result will be stored in |forms|.
     39   void ParseSignons(const std::string& content,
     40                     std::vector<autofill::PasswordForm>* forms);
     41 
     42   // Reads and parses the Firefox password sqlite db, decrypts the
     43   // username/password and reads other related information.
     44   // The result will be stored in |forms|.
     45   bool ReadAndParseSignons(const base::FilePath& sqlite_file,
     46                            std::vector<autofill::PasswordForm>* forms);
     47  private:
     48   // Does not actually free the slot, since we'll free it when NSSDecryptor is
     49   // destroyed.
     50   void FreeSlot(PK11SlotInfo* slot) const {}
     51   PK11SlotInfo* GetKeySlotForDB() const { return db_slot_; }
     52 
     53   SECStatus PK11SDR_DecryptWithSlot(
     54       PK11SlotInfo* slot, SECItem* data, SECItem* result, void* cx) const;
     55 
     56   bool is_nss_initialized_;
     57   PK11SlotInfo* db_slot_;
     58 
     59   DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
     60 };
     61 
     62 #endif  // CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
     63