forked from pinae/ctSESAM-pyside
/
ctSESAM.py
executable file
·369 lines (345 loc) · 16.8 KB
/
ctSESAM.py
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import argparse
import os
from PySide.QtGui import QApplication, QWidget, QBoxLayout, QFont, QIcon, QFrame
from PySide.QtGui import QLabel, QLineEdit, QComboBox, QToolButton
from PySide.QtCore import Qt, QSize, QPoint, QCoreApplication, QSettings
from PySide.QtNetwork import QNetworkAccessManager
from password_strength_selector import PasswordStrengthSelector
from settings_window import SettingsWindow
from base64 import b64decode
from password_generator import CtSesam
from preference_manager import PreferenceManager
from kgk_manager import KgkManager
from password_settings_manager import PasswordSettingsManager
from decrypt_kgk_task import DecryptKgkTask
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:")
self.username_label.setVisible(False)
self.username_edit = QLineEdit()
self.username_edit.textChanged.connect(self.username_changed)
self.username_edit.returnPressed.connect(self.move_focus)
self.username_edit.setMaximumHeight(28)
self.username_edit.setVisible(False)
self.username_label.setBuddy(self.username_edit)
layout.addWidget(self.username_label)
layout.addWidget(self.username_edit)
# Password strength
self.strength_label = QLabel("&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)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Generate domain passwords from your masterpassword.")
parser.add_argument('-u', '--update-sync-settings',
action='store_const', const=True,
help="Ask for server settings before synchronization.")
parser.add_argument('--master-password', help="Prefill the masterpassword field.")
parser.add_argument('-d', '--domain', help="Prefill the domain field.")
args = parser.parse_args()
app = QApplication([])
QCoreApplication.setOrganizationName("c't")
QCoreApplication.setOrganizationDomain("ct.de")
QCoreApplication.setApplicationName("ctSESAM-pyside")
window = MainWindow()
if type(args.master_password) is str and args.master_password:
window.set_masterpassword(args.master_password)
window.masterpassword_changed()
window.masterpassword_entered()
if type(args.domain) is str and args.domain:
window.set_domain(args.domain)
window.domain_changed()
if args.update_sync_settings:
window.show_sync_settings()
app.exec_()