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      1 // Copyright (c) 2010 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_BROWSER_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
      6 #define CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
      7 #pragma once
      8 
      9 #include <secmodt.h>
     10 #include <string>
     11 #include <vector>
     12 
     13 #include "base/basictypes.h"
     14 #include "base/string16.h"
     15 
     16 class FilePath;
     17 
     18 namespace webkit_glue {
     19 struct PasswordForm;
     20 }
     21 
     22 // A wrapper for Firefox NSS decrypt component.
     23 class NSSDecryptor {
     24  public:
     25   NSSDecryptor();
     26   ~NSSDecryptor();
     27 
     28   // Initializes NSS if it hasn't already been initialized.
     29   bool Init(const FilePath& dll_path, const FilePath& db_path);
     30 
     31   // Decrypts Firefox stored passwords. Before using this method,
     32   // make sure Init() returns true.
     33   string16 Decrypt(const std::string& crypt) const;
     34 
     35   // Parses the Firefox password file content, decrypts the
     36   // username/password and reads other related information.
     37   // The result will be stored in |forms|.
     38   void ParseSignons(const std::string& content,
     39                     std::vector<webkit_glue::PasswordForm>* forms);
     40 
     41   // Reads and parses the Firefox password sqlite db, decrypts the
     42   // username/password and reads other related information.
     43   // The result will be stored in |forms|.
     44   bool ReadAndParseSignons(const FilePath& sqlite_file,
     45                            std::vector<webkit_glue::PasswordForm>* forms);
     46  private:
     47   // Does not actually free the slot, since we'll free it when NSSDecryptor is
     48   // destroyed.
     49   void FreeSlot(PK11SlotInfo* slot) const {}
     50   PK11SlotInfo* GetKeySlotForDB() const { return db_slot_; }
     51 
     52   SECStatus PK11SDR_DecryptWithSlot(
     53       PK11SlotInfo* slot, SECItem* data, SECItem* result, void* cx) const;
     54 
     55   bool is_nss_initialized_;
     56   PK11SlotInfo* db_slot_;
     57 
     58   DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
     59 };
     60 
     61 #endif  // CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
     62