def test_get_kgk_has_kgk(self):
kgkm = KgkManager()
self.assertEqual(b'', kgkm.get_kgk())
self.assertFalse(kgkm.has_kgk())
kgkm.kgk = b"\xE4"*64
kgkm.kgk_crypter = Crypter(Crypter.createIvKey(b'1234', b'pepper', iterations=3))
self.assertEqual(b"\xE4"*64, kgkm.get_kgk())
self.assertTrue(kgkm.has_kgk())
def test_get_kgk_has_kgk(self):
kgkm = KgkManager()
self.assertEqual(b'', kgkm.get_kgk())
self.assertFalse(kgkm.has_kgk())
kgkm.kgk = b"\xE4" * 64
kgkm.kgk_crypter = Crypter(
Crypter.createIvKey(b'1234', b'pepper', iterations=3))
self.assertEqual(b"\xE4" * 64, kgkm.get_kgk())
self.assertTrue(kgkm.has_kgk())
def load_settings(self, kgk_manager, password, no_sync=False):
"""
Loads settings from local file and from a sync server if possible.
:param kgk_manager: kgk manager
:type kgk_manager: KgkManager
:param password: the masterpassword
:type password: str
:param no_sync: skip the sync update?
:type no_sync: bool
"""
self.load_local_settings(kgk_manager)
if not no_sync:
if self.sync_manager.has_settings():
pull_successful, data = self.sync_manager.pull()
if pull_successful and len(data) > 0:
remote_kgk_manager = KgkManager()
remote_kgk_manager.update_from_blob(
password.encode('utf-8'), b64decode(data))
if remote_kgk_manager.has_kgk() and kgk_manager.get_kgk(
) != remote_kgk_manager.get_kgk():
raise ValueError(
"KGK mismatch! This are not your settings!")
self.update_from_export_data(remote_kgk_manager,
b64decode(data))
else:
print("Sync failed: No connection to the server.")
def sync_clicked(self):
self.masterpassword_entered()
if not self.settings_manager.sync_manager.has_settings():
self.show_sync_settings()
else:
pull_successful, data = self.settings_manager.sync_manager.pull()
if pull_successful and len(data) > 0:
remote_kgk_manager = KgkManager()
remote_kgk_manager.update_from_blob(self.master_password_edit.text().encode('utf-8'), b64decode(data))
if len(self.preference_manager.get_kgk_block()) == 112 and \
remote_kgk_manager.has_kgk() and self.kgk_manager.has_kgk() and \
self.kgk_manager.get_kgk() != remote_kgk_manager.get_kgk():
if len(self.settings_manager.get_domain_list()) > 0:
print("Lokal und auf dem Server gibt es unterschiedliche KGKs. Das ist ein Problem!")
self.migrate_local_domains(remote_kgk_manager)
else:
if len(self.preference_manager.get_kgk_block()) != 112:
self.kgk_manager = remote_kgk_manager
self.kgk_manager.set_preference_manager(self.preference_manager)
self.kgk_manager.store_local_kgk_block()
self.settings_manager.update_from_export_data(remote_kgk_manager, b64decode(data))
self.domain_edit.blockSignals(True)
current_domain = self.domain_edit.lineEdit().text()
for i in reversed(range(self.domain_edit.count())):
self.domain_edit.removeItem(i)
self.domain_edit.insertItems(0, self.settings_manager.get_domain_list())
self.domain_edit.blockSignals(False)
self.domain_edit.setEditText(current_domain)
self.settings_manager.store_settings(self.kgk_manager)
def decrypt_remote_settings(kgk_mng, settings_mng):
remote_kgk_manager = KgkManager()
remote_kgk_manager.update_from_blob(master_password.encode('utf-8'), b64decode(data))
if kgk_exists and remote_kgk_manager.has_kgk() and kgk_mng.has_kgk() and \
kgk_mng.get_kgk() != remote_kgk_manager.get_kgk():
print("Lokal und auf dem Server gibt es unterschiedliche KGKs. Das ist ein Problem!")
else:
if not kgk_exists:
kgk_mng = remote_kgk_manager
kgk_mng.set_preference_manager(preference_manager)
kgk_mng.store_local_kgk_block()
settings_mng.update_from_export_data(remote_kgk_manager, b64decode(data))
print("Verbindung erfolgreich getestet.")
def decrypt_remote_settings(kgk_mng, settings_mng):
remote_kgk_manager = KgkManager()
remote_kgk_manager.update_from_blob(master_password.encode('utf-8'), b64decode(data))
if kgk_exists and remote_kgk_manager.has_kgk() and kgk_mng.has_kgk() and \
kgk_mng.get_kgk() != remote_kgk_manager.get_kgk():
print("Lokal und auf dem Server gibt es unterschiedliche KGKs. Das ist ein Problem!")
else:
if not kgk_exists:
kgk_mng = remote_kgk_manager
kgk_mng.set_preference_manager(preference_manager)
kgk_mng.store_local_kgk_block()
settings_mng.update_from_export_data(remote_kgk_manager, b64decode(data))
print("Verbindung erfolgreich getestet.")
def load_settings(self, kgk_manager, password, no_sync=False):
"""
Loads settings from local file and from a sync server if possible.
:param kgk_manager: kgk manager
:type kgk_manager: KgkManager
:param password: the masterpassword
:type password: str
:param no_sync: skip the sync update?
:type no_sync: bool
"""
self.load_local_settings(kgk_manager)
if not no_sync:
if self.sync_manager.has_settings():
pull_successful, data = self.sync_manager.pull()
if pull_successful and len(data) > 0:
remote_kgk_manager = KgkManager()
remote_kgk_manager.update_from_blob(password.encode('utf-8'), b64decode(data))
if remote_kgk_manager.has_kgk() and kgk_manager.get_kgk() != remote_kgk_manager.get_kgk():
raise ValueError("KGK mismatch! This are not your settings!")
self.update_from_export_data(remote_kgk_manager, b64decode(data))
else:
print("Sync failed: No connection to the server.")
class MainWindow(QWidget, object):
master_password_label = None
master_password_edit = None
domain_label = None
domain_edit = None
username_label = None
username_edit = None
strength_label = None
strength_selector = None
password_label = None
password = None
sync_button = None
clipboard_button = None
setting = None
decrypt_kgk_task = None
settings_window = None
def __init__(self):
super(MainWindow, self).__init__()
self.nam = QNetworkAccessManager()
self.setWindowIcon(QIcon(os.path.join('icons', 'Logo_rendered_edited.png')))
layout = QBoxLayout(QBoxLayout.TopToBottom)
layout.setContentsMargins(0, 0, 0, 0)
self.preference_manager = PreferenceManager()
self.kgk_manager = KgkManager()
self.kgk_manager.set_preference_manager(self.preference_manager)
self.settings_manager = PasswordSettingsManager(self.preference_manager)
self.setting_dirty = True
# Header bar
header_bar = QFrame()
header_bar.setStyleSheet(
"QWidget { background: rgb(40, 40, 40); } " +
"QToolButton { background: rgb(40, 40, 40); }" +
"QToolTip { color: rgb(255, 255, 255); background-color: rgb(20, 20, 20); " +
"border: 1px solid white; }")
header_bar.setAutoFillBackground(True)
header_bar.setFixedHeight(45)
header_bar_layout = QBoxLayout(QBoxLayout.LeftToRight)
header_bar_layout.addStretch()
header_bar.setLayout(header_bar_layout)
layout.addWidget(header_bar)
self.create_header_bar(header_bar_layout)
# Widget area
main_area = QFrame()
main_layout = QBoxLayout(QBoxLayout.TopToBottom)
main_area.setLayout(main_layout)
layout.addWidget(main_area)
self.create_main_area(main_layout)
# Window layout
layout.addStretch()
main_layout.addStretch()
self.setLayout(layout)
settings = QSettings()
size = settings.value("MainWindow/size")
if not size:
size = QSize(350, 450)
self.resize(size)
position = settings.value("MainWindow/pos")
if not position:
position = QPoint(0, 24)
self.move(position)
self.setWindowTitle("c't SESAM")
self.master_password_edit.setFocus()
self.show()
# noinspection PyUnresolvedReferences
def create_header_bar(self, layout):
self.sync_button = QToolButton()
self.sync_button.setIconSize(QSize(30, 30))
self.sync_button.setIcon(QIcon(os.path.join("icons", "ic_action_sync.png")))
self.sync_button.setStyleSheet("border: 0px;")
self.sync_button.setToolTip("Sync")
self.sync_button.clicked.connect(self.sync_clicked)
self.sync_button.setVisible(False)
layout.addWidget(self.sync_button)
self.clipboard_button = QToolButton()
self.clipboard_button.setIconSize(QSize(30, 30))
self.clipboard_button.setIcon(QIcon(os.path.join("icons", "ic_action_copy.png")))
self.clipboard_button.setStyleSheet("border: 0px;")
self.clipboard_button.setToolTip("in die Zwischenablage")
self.clipboard_button.clicked.connect(self.copy_to_clipboard)
self.clipboard_button.setVisible(False)
layout.addWidget(self.clipboard_button)
# noinspection PyUnresolvedReferences
def create_main_area(self, layout):
# Master password
master_password_label = QLabel("&Master-Passwort:")
self.master_password_edit = QLineEdit()
self.master_password_edit.setEchoMode(QLineEdit.EchoMode.Password)
self.master_password_edit.textChanged.connect(self.masterpassword_changed)
self.master_password_edit.returnPressed.connect(self.move_focus)
self.master_password_edit.editingFinished.connect(self.masterpassword_entered)
self.master_password_edit.setMaximumHeight(28)
master_password_label.setBuddy(self.master_password_edit)
layout.addWidget(master_password_label)
layout.addWidget(self.master_password_edit)
# Domain
domain_label = QLabel("&Domain:")
self.domain_edit = QComboBox()
self.domain_edit.setEditable(True)
self.domain_edit.textChanged.connect(self.domain_changed)
self.domain_edit.currentIndexChanged.connect(self.domain_changed)
self.domain_edit.lineEdit().editingFinished.connect(self.domain_entered)
self.domain_edit.lineEdit().returnPressed.connect(self.move_focus)
self.domain_edit.setMaximumHeight(28)
domain_label.setBuddy(self.domain_edit)
layout.addWidget(domain_label)
layout.addWidget(self.domain_edit)
# Username
self.username_label = QLabel("&Username:"******"&Passwortstärke:")
self.strength_label.setVisible(False)
self.strength_selector = PasswordStrengthSelector()
self.strength_selector.set_min_length(4)
self.strength_selector.set_max_length(36)
self.strength_selector.setMinimumHeight(60)
self.strength_selector.set_length(12)
self.strength_selector.set_complexity(6)
self.strength_selector.strength_changed.connect(self.strength_changed)
self.strength_selector.setVisible(False)
self.strength_label.setBuddy(self.strength_selector)
layout.addWidget(self.strength_label)
layout.addWidget(self.strength_selector)
# Password
self.password_label = QLabel("&Passwort:")
self.password_label.setVisible(False)
self.password = QLabel()
self.password.setTextFormat(Qt.PlainText)
self.password.setAlignment(Qt.AlignCenter)
self.password.setFont(QFont("Helvetica", 18, QFont.Bold))
self.password.setVisible(False)
self.password_label.setBuddy(self.password)
layout.addWidget(self.password_label)
layout.addWidget(self.password)
def set_masterpassword(self, masterpassword):
self.master_password_edit.setText(masterpassword)
def set_domain(self, domain):
self.domain_edit.lineEdit().setText(domain)
def closeEvent(self, *args, **kwargs):
settings = QSettings()
settings.setValue("MainWindow/size", self.size())
settings.setValue("MainWindow/pos", self.pos())
settings.sync()
def masterpassword_changed(self):
self.kgk_manager.reset()
self.decrypt_kgk_task = None
self.clipboard_button.setVisible(False)
if len(self.master_password_edit.text()) > 0:
self.sync_button.setVisible(True)
else:
self.sync_button.setVisible(False)
def masterpassword_entered(self):
if len(self.master_password_edit.text()) > 0 and not self.decrypt_kgk_task:
self.kgk_manager.get_kgk_crypter_salt()
self.decrypt_kgk_task = DecryptKgkTask(
self.master_password_edit.text(),
self.preference_manager,
self.kgk_manager,
self.settings_manager,
self.domain_edit)
def set_visibilities(self):
if len(self.domain_edit.lineEdit().text()) > 0:
self.username_label.setVisible(True)
self.username_edit.setVisible(True)
self.strength_label.setVisible(True)
self.strength_selector.setVisible(True)
self.password_label.setVisible(True)
self.password.setVisible(True)
else:
self.username_label.setVisible(False)
self.username_edit.setVisible(False)
self.strength_label.setVisible(False)
self.strength_selector.setVisible(False)
self.password_label.setVisible(False)
self.password.setVisible(False)
self.clipboard_button.setVisible(False)
def domain_changed(self):
self.setting_dirty = True
self.password.setText("")
self.clipboard_button.setVisible(False)
self.set_visibilities()
if self.kgk_manager.has_kgk() and (not self.decrypt_kgk_task or not self.decrypt_kgk_task.is_running()) and \
len(self.domain_edit.lineEdit().text()) > 0 and \
self.domain_edit.lineEdit().text() in self.settings_manager.get_domain_list():
self.domain_entered()
def domain_entered(self):
self.setting_dirty = self.domain_edit.lineEdit().text() not in self.settings_manager.get_domain_list()
self.setting = self.settings_manager.get_setting(self.domain_edit.lineEdit().text())
self.username_edit.blockSignals(True)
self.username_edit.setText(self.setting.get_username())
self.username_edit.blockSignals(False)
self.strength_selector.blockSignals(True)
self.strength_selector.set_length(self.setting.get_length())
self.strength_selector.set_complexity(self.setting.get_complexity())
self.strength_selector.set_extra_count(len(self.setting.get_extra_character_set()))
self.strength_selector.blockSignals(False)
self.generate_password()
def move_focus(self):
line_edits = [self.master_password_edit, self.domain_edit, self.username_edit]
for i, edit in enumerate(line_edits):
if edit.hasFocus() and i + 1 < len(line_edits):
line_edits[i + 1].setFocus()
return True
self.generate_button.setFocus()
def generate_password(self):
if not self.kgk_manager.has_kgk():
self.kgk_manager.create_new_kgk()
self.kgk_manager.create_and_save_new_kgk_block()
if not self.kgk_manager.kgk_crypter or not self.kgk_manager.salt:
self.kgk_manager.get_kgk_crypter(self.master_password_edit.text().encode('utf-8'),
self.kgk_manager.get_kgk_crypter_salt())
if self.setting_dirty:
self.setting.new_salt()
self.setting.calculate_template()
self.settings_manager.set_setting(self.setting)
if not self.setting.get_legacy_password():
generator = CtSesam(self.setting.get_domain(),
self.setting.get_username(),
self.kgk_manager.get_kgk(),
self.setting.get_salt(),
self.setting.get_iterations())
password = generator.generate(self.setting)
else:
password = self.setting.get_legacy_password()
self.password.setText(password)
self.password.setTextInteractionFlags(Qt.TextSelectableByMouse | Qt.TextSelectableByKeyboard)
self.clipboard_button.setVisible(True)
self.settings_manager.store_local_settings(self.kgk_manager)
self.setting_dirty = False
def copy_to_clipboard(self):
QApplication.clipboard().setText(self.password.text())
def username_changed(self):
if self.setting:
if self.setting.get_username() != self.username_edit.text():
self.setting.set_username(self.username_edit.text())
self.setting_dirty = True
self.generate_password()
def strength_changed(self, complexity, length):
if self.setting:
if self.setting.get_length() != length:
self.setting.set_length(length)
self.setting_dirty = True
if self.setting.get_complexity() != complexity:
self.setting.set_complexity(complexity)
self.setting_dirty = True
self.generate_password()
def migrate_local_domains(self, new_kgk_manager):
for domain in self.settings_manager.get_domain_list():
setting = self.settings_manager.get_setting(domain)
generator = CtSesam(setting.get_domain(),
setting.get_username(),
self.kgk_manager.get_kgk(),
setting.get_salt(),
setting.get_iterations())
setting.set_legacy_password(generator.generate(setting))
self.settings_manager.set_setting(setting)
self.kgk_manager = new_kgk_manager
self.settings_manager.store_local_settings(self.kgk_manager)
# noinspection PyUnresolvedReferences
def sync_clicked(self):
self.masterpassword_entered()
if not self.settings_manager.sync_manager.has_settings():
self.show_sync_settings()
else:
pull_successful, data = self.settings_manager.sync_manager.pull()
if pull_successful and len(data) > 0:
remote_kgk_manager = KgkManager()
remote_kgk_manager.update_from_blob(self.master_password_edit.text().encode('utf-8'), b64decode(data))
if len(self.preference_manager.get_kgk_block()) == 112 and \
remote_kgk_manager.has_kgk() and self.kgk_manager.has_kgk() and \
self.kgk_manager.get_kgk() != remote_kgk_manager.get_kgk():
if len(self.settings_manager.get_domain_list()) > 0:
print("Lokal und auf dem Server gibt es unterschiedliche KGKs. Das ist ein Problem!")
self.migrate_local_domains(remote_kgk_manager)
else:
if len(self.preference_manager.get_kgk_block()) != 112:
self.kgk_manager = remote_kgk_manager
self.kgk_manager.set_preference_manager(self.preference_manager)
self.kgk_manager.store_local_kgk_block()
self.settings_manager.update_from_export_data(remote_kgk_manager, b64decode(data))
self.domain_edit.blockSignals(True)
current_domain = self.domain_edit.lineEdit().text()
for i in reversed(range(self.domain_edit.count())):
self.domain_edit.removeItem(i)
self.domain_edit.insertItems(0, self.settings_manager.get_domain_list())
self.domain_edit.blockSignals(False)
self.domain_edit.setEditText(current_domain)
self.settings_manager.store_settings(self.kgk_manager)
# noinspection PyUnresolvedReferences
def show_sync_settings(self, url=None, username=None, password=None):
self.settings_window = SettingsWindow(
self.settings_manager.sync_manager,
self.nam,
url=self.settings_manager.sync_manager.server_address,
username=self.settings_manager.sync_manager.username,
password=self.settings_manager.sync_manager.password,
certificate=self.settings_manager.sync_manager.certificate)
self.settings_window.finished.connect(self.sync_clicked)