File: nss_decryptor_system_nss.h

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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_
#define CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_

#include <secmodt.h>
#include <string>
#include <vector>

#include "base/memory/raw_ptr.h"

struct FirefoxRawPasswordInfo;

namespace user_data_importer {
struct ImportedPasswordForm;
}

namespace base {
class FilePath;
}

// A wrapper for Firefox NSS decrypt component.
class NSSDecryptor {
 public:
  NSSDecryptor();

  NSSDecryptor(const NSSDecryptor&) = delete;
  NSSDecryptor& operator=(const NSSDecryptor&) = delete;

  ~NSSDecryptor();

  // Initializes NSS if it hasn't already been initialized.
  bool Init(const base::FilePath& dll_path, const base::FilePath& db_path);

  // Decrypts Firefox stored passwords. Before using this method,
  // make sure Init() returns true.
  std::u16string Decrypt(const std::string& crypt) const;

  // Reads and parses the Firefox password file logins.json, decrypts the
  // username/password and reads other related information.
  // The result will be stored in |forms|.
  bool ReadAndParseLogins(
      const base::FilePath& json_file,
      std::vector<user_data_importer::ImportedPasswordForm>* forms);

 private:
  // Does not actually free the slot, since we'll free it when NSSDecryptor is
  // destroyed.
  void FreeSlot(PK11SlotInfo* slot) const {}

  // Turns unprocessed information extracted from Firefox's password file
  // into ImportedPasswordForm.
  bool CreatePasswordFormFromRawInfo(
      const FirefoxRawPasswordInfo& raw_password_info,
      user_data_importer::ImportedPasswordForm* form);

  PK11SlotInfo* GetKeySlotForDB() const { return db_slot_; }

  SECStatus PK11SDR_DecryptWithSlot(
      PK11SlotInfo* slot, SECItem* data, SECItem* result, void* cx) const;

  bool is_nss_initialized_;
  raw_ptr<PK11SlotInfo> db_slot_;
};

#endif  // CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_SYSTEM_NSS_H_