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// Copyright (c) 2011 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_KWALLET_X_H_
#define CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_KWALLET_X_H_
#pragma once
#include <dbus/dbus-glib.h>
#include <glib.h>
#include <string>
#include "base/basictypes.h"
#include "base/time.h"
#include "chrome/browser/password_manager/password_store_x.h"
#include "chrome/browser/profiles/profile.h"
class Pickle;
class PrefService;
namespace webkit_glue {
struct PasswordForm;
}
// NativeBackend implementation using KWallet.
class NativeBackendKWallet : public PasswordStoreX::NativeBackend {
public:
NativeBackendKWallet(LocalProfileId id, PrefService* prefs);
virtual ~NativeBackendKWallet();
virtual bool Init() OVERRIDE;
// Implements NativeBackend interface.
virtual bool AddLogin(const webkit_glue::PasswordForm& form) OVERRIDE;
virtual bool UpdateLogin(const webkit_glue::PasswordForm& form) OVERRIDE;
virtual bool RemoveLogin(const webkit_glue::PasswordForm& form) OVERRIDE;
virtual bool RemoveLoginsCreatedBetween(
const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
virtual bool GetLogins(const webkit_glue::PasswordForm& form,
PasswordFormList* forms) OVERRIDE;
virtual bool GetLoginsCreatedBetween(const base::Time& delete_begin,
const base::Time& delete_end,
PasswordFormList* forms) OVERRIDE;
virtual bool GetAutofillableLogins(PasswordFormList* forms) OVERRIDE;
virtual bool GetBlacklistLogins(PasswordFormList* forms) OVERRIDE;
private:
// Initialization.
bool StartKWalletd();
bool InitWallet();
// Reads PasswordForms from the wallet that match the given signon_realm.
bool GetLoginsList(PasswordFormList* forms,
const std::string& signon_realm,
int wallet_handle);
// Reads PasswordForms from the wallet with the given autofillability state.
bool GetLoginsList(PasswordFormList* forms,
bool autofillable,
int wallet_handle);
// Reads PasswordForms from the wallet created in the given time range.
bool GetLoginsList(PasswordFormList* forms,
const base::Time& begin,
const base::Time& end,
int wallet_handle);
// Helper for some of the above GetLoginsList() methods.
bool GetAllLogins(PasswordFormList* forms, int wallet_handle);
// Writes a list of PasswordForms to the wallet with the given signon_realm.
// Overwrites any existing list for this signon_realm. Removes the entry if
// |forms| is empty. Returns true on success.
bool SetLoginsList(const PasswordFormList& forms,
const std::string& signon_realm,
int wallet_handle);
// Checks if the last DBus call returned an error. If it did, logs the error
// message, frees it and returns true.
// This must be called after every DBus call.
bool CheckError();
// Opens the wallet and ensures that the "Chrome Form Data" folder exists.
// Returns kInvalidWalletHandle on error.
int WalletHandle();
// Compares two PasswordForms and returns true if they are the same.
// If |update_check| is false, we only check the fields that are checked by
// LoginDatabase::UpdateLogin() when updating logins; otherwise, we check the
// fields that are checked by LoginDatabase::RemoveLogin() for removing them.
static bool CompareForms(const webkit_glue::PasswordForm& a,
const webkit_glue::PasswordForm& b,
bool update_check);
// Serializes a list of PasswordForms to be stored in the wallet.
static void SerializeValue(const PasswordFormList& forms, Pickle* pickle);
// Checks a serialized list of PasswordForms for sanity. Returns true if OK.
// Note that |realm| is only used for generating a useful warning message.
static bool CheckSerializedValue(const GArray* byte_array, const char* realm);
// Deserializes a list of PasswordForms from the wallet.
static void DeserializeValue(const std::string& signon_realm,
const Pickle& pickle,
PasswordFormList* forms);
// Convenience function to read a GURL from a Pickle. Assumes the URL has
// been written as a std::string. Returns true on success.
static bool ReadGURL(const Pickle& pickle, void** iter, GURL* url);
// In case the fields in the pickle ever change, version them so we can try to
// read old pickles. (Note: do not eat old pickles past the expiration date.)
static const int kPickleVersion = 0;
// Name of the folder to store passwords in.
static const char kKWalletFolder[];
// DBus stuff.
static const char kKWalletServiceName[];
static const char kKWalletPath[];
static const char kKWalletInterface[];
static const char kKLauncherServiceName[];
static const char kKLauncherPath[];
static const char kKLauncherInterface[];
// Invalid handle returned by WalletHandle().
static const int kInvalidKWalletHandle = -1;
// Generates a profile-specific folder name based on profile_id_.
std::string GetProfileSpecificFolderName() const;
// Migrates non-profile-specific logins to be profile-specific.
void MigrateToProfileSpecificLogins();
// The local profile id, used to generate the folder name.
const LocalProfileId profile_id_;
// The pref service to use for persistent migration settings.
PrefService* prefs_;
// The KWallet folder name, possibly based on the local profile id.
std::string folder_name_;
// True once MigrateToProfileSpecificLogins() has been attempted.
bool migrate_tried_;
// Error from the last DBus call. NULL when there's no error. Freed and
// cleared by CheckError().
GError* error_;
// Connection to the DBus session bus.
DBusGConnection* connection_;
// Proxy to the kwallet DBus service.
DBusGProxy* proxy_;
// The name of the wallet we've opened. Set during Init().
std::string wallet_name_;
// The application name (e.g. "Chromium"), shown in KWallet auth dialogs.
const std::string app_name_;
DISALLOW_COPY_AND_ASSIGN(NativeBackendKWallet);
};
#endif // CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_KWALLET_X_H_
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