chrome/browser/password_manager/native_backend_gnome_x.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_
#define CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_

#include <memory>
#include <string>
#include <vector>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/sequenced_task_runner.h"
#include "base/time/time.h"
#include "chrome/browser/password_manager/password_store_factory.h"
#include "chrome/browser/password_manager/password_store_x.h"
#include "chrome/browser/profiles/profile.h"
#include "components/os_crypt/keyring_util_linux.h"

namespace autofill {
struct PasswordForm;
}

// NativeBackend implementation using GNOME Keyring.
class NativeBackendGnome : public PasswordStoreX::NativeBackend,
                           public GnomeKeyringLoader {
 public:
  explicit NativeBackendGnome(LocalProfileId id);

  ~NativeBackendGnome() override;

  bool Init() override;

  // Implements NativeBackend interface.
  password_manager::PasswordStoreChangeList AddLogin(
      const autofill::PasswordForm& form) override;
  bool UpdateLogin(const autofill::PasswordForm& form,
                   password_manager::PasswordStoreChangeList* changes) override;
  bool RemoveLogin(const autofill::PasswordForm& form,
                   password_manager::PasswordStoreChangeList* changes) override;
  bool RemoveLoginsCreatedBetween(
      base::Time delete_begin,
      base::Time delete_end,
      password_manager::PasswordStoreChangeList* changes) override;
  bool RemoveLoginsSyncedBetween(
      base::Time delete_begin,
      base::Time delete_end,
      password_manager::PasswordStoreChangeList* changes) override;
  bool DisableAutoSignInForOrigins(
      const base::Callback<bool(const GURL&)>& origin_filter,
      password_manager::PasswordStoreChangeList* changes) override;
  bool GetLogins(
      const password_manager::PasswordStore::FormDigest& form,
      std::vector<std::unique_ptr<autofill::PasswordForm>>* forms) override;
  bool GetAutofillableLogins(
      std::vector<std::unique_ptr<autofill::PasswordForm>>* forms) override;
  bool GetBlacklistLogins(
      std::vector<std::unique_ptr<autofill::PasswordForm>>* forms) override;
  bool GetAllLogins(
      std::vector<std::unique_ptr<autofill::PasswordForm>>* forms) override;
  scoped_refptr<base::SequencedTaskRunner> GetBackgroundTaskRunner() override;

 private:
  enum TimestampToCompare {
    CREATION_TIMESTAMP,
    SYNC_TIMESTAMP,
  };

  // Adds a login form without checking for one to replace first.
  bool RawAddLogin(const autofill::PasswordForm& form);

  // Retrieves all autofillable or all blacklisted credentials (depending on
  // |autofillable|) from the keyring into |forms|, overwriting the original
  // contents of |forms|. Returns true on success.
  bool GetLoginsList(bool autofillable,
                     std::vector<std::unique_ptr<autofill::PasswordForm>>*
                         forms) WARN_UNUSED_RESULT;

  // Retrieves password created/synced in the time interval. Returns |true| if
  // the operation succeeded.
  bool GetLoginsBetween(base::Time get_begin,
                        base::Time get_end,
                        TimestampToCompare date_to_compare,
                        std::vector<std::unique_ptr<autofill::PasswordForm>>*
                            forms) WARN_UNUSED_RESULT;

  // Removes password created/synced in the time interval. Returns |true| if the
  // operation succeeded. |changes| will contain the changes applied.
  bool RemoveLoginsBetween(base::Time get_begin,
                           base::Time get_end,
                           TimestampToCompare date_to_compare,
                           password_manager::PasswordStoreChangeList* changes);

  // The app string, possibly based on the local profile id.
  std::string app_string_;

  scoped_refptr<base::SequencedTaskRunner> main_task_runner_;
  scoped_refptr<base::SequencedTaskRunner> background_task_runner_;

  DISALLOW_COPY_AND_ASSIGN(NativeBackendGnome);
};

#endif  // CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_