# Copyright (c) 2018 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. from datetime import datetime from typing import Optional, Dict, TYPE_CHECKING, Callable from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, pyqtProperty, QTimer, Q_ENUMS from UM.Logger import Logger from UM.Message import Message from UM.i18n import i18nCatalog from cura.OAuth2.AuthorizationService import AuthorizationService from cura.OAuth2.Models import OAuth2Settings from cura.UltimakerCloud import UltimakerCloudConstants if TYPE_CHECKING: from cura.CuraApplication import CuraApplication i18n_catalog = i18nCatalog("cura") class SyncState: """QML: Cura.AccountSyncState""" SYNCING = 0 SUCCESS = 1 ERROR = 2 IDLE = 3 class Account(QObject): """The account API provides a version-proof bridge to use Ultimaker Accounts Usage: .. code-block:: python from cura.API import CuraAPI api = CuraAPI() api.account.login() api.account.logout() api.account.userProfile # Who is logged in """ # The interval in which sync services are automatically triggered SYNC_INTERVAL = 30.0 # seconds Q_ENUMS(SyncState) loginStateChanged = pyqtSignal(bool) """Signal emitted when user logged in or out""" accessTokenChanged = pyqtSignal() syncRequested = pyqtSignal() """Sync services may connect to this signal to receive sync triggers. Services should be resilient to receiving a signal while they are still syncing, either by ignoring subsequent signals or restarting a sync. See setSyncState() for providing user feedback on the state of your service. """ lastSyncDateTimeChanged = pyqtSignal() syncStateChanged = pyqtSignal(int) # because SyncState is an int Enum manualSyncEnabledChanged = pyqtSignal(bool) updatePackagesEnabledChanged = pyqtSignal(bool) def __init__(self, application: "CuraApplication") -> None: super(Account, self).__init__(parent = application) self._application = application self._new_cloud_printers_detected = False self._error_message = None # type: Optional[Message] self._logged_in = False self._sync_state = SyncState.IDLE self._manual_sync_enabled = False self._update_packages_enabled = False self._update_packages_action = None # type: Optional[Callable] self._last_sync_str = "-" self._callback_port = 32118 self._oauth_root = UltimakerCloudConstants.CuraCloudAccountAPIRoot self._oauth_settings = OAuth2Settings( OAUTH_SERVER_URL= self._oauth_root, CALLBACK_PORT=self._callback_port, CALLBACK_URL="http://localhost:{}/callback".format(self._callback_port), CLIENT_ID="um----------------------------ultimaker_cura", CLIENT_SCOPES="account.user.read drive.backup.read drive.backup.write packages.download " "packages.rating.read packages.rating.write connect.cluster.read connect.cluster.write " "library.project.read library.project.write cura.printjob.read cura.printjob.write " "cura.mesh.read cura.mesh.write", AUTH_DATA_PREFERENCE_KEY="general/ultimaker_auth_data", AUTH_SUCCESS_REDIRECT="{}/app/auth-success".format(self._oauth_root), AUTH_FAILED_REDIRECT="{}/app/auth-error".format(self._oauth_root) ) self._authorization_service = AuthorizationService(self._oauth_settings) # Create a timer for automatic account sync self._update_timer = QTimer() self._update_timer.setInterval(int(self.SYNC_INTERVAL * 1000)) # The timer is restarted explicitly after an update was processed. This prevents 2 concurrent updates self._update_timer.setSingleShot(True) self._update_timer.timeout.connect(self.sync) self._sync_services = {} # type: Dict[str, int] """contains entries "service_name" : SyncState""" def initialize(self) -> None: self._authorization_service.initialize(self._application.getPreferences()) self._authorization_service.onAuthStateChanged.connect(self._onLoginStateChanged) self._authorization_service.onAuthenticationError.connect(self._onLoginStateChanged) self._authorization_service.accessTokenChanged.connect(self._onAccessTokenChanged) self._authorization_service.loadAuthDataFromPreferences() @pyqtProperty(int, notify=syncStateChanged) def syncState(self): return self._sync_state def setSyncState(self, service_name: str, state: int) -> None: """ Can be used to register sync services and update account sync states Contract: A sync service is expected exit syncing state in all cases, within reasonable time Example: `setSyncState("PluginSyncService", SyncState.SYNCING)` :param service_name: A unique name for your service, such as `plugins` or `backups` :param state: One of SyncState """ prev_state = self._sync_state self._sync_services[service_name] = state if any(val == SyncState.SYNCING for val in self._sync_services.values()): self._sync_state = SyncState.SYNCING self._setManualSyncEnabled(False) elif any(val == SyncState.ERROR for val in self._sync_services.values()): self._sync_state = SyncState.ERROR self._setManualSyncEnabled(True) else: self._sync_state = SyncState.SUCCESS self._setManualSyncEnabled(False) if self._sync_state != prev_state: self.syncStateChanged.emit(self._sync_state) if self._sync_state == SyncState.SUCCESS: self._last_sync_str = datetime.now().strftime("%d/%m/%Y %H:%M") self.lastSyncDateTimeChanged.emit() if self._sync_state != SyncState.SYNCING: # schedule new auto update after syncing completed (for whatever reason) if not self._update_timer.isActive(): self._update_timer.start() def setUpdatePackagesAction(self, action: Callable) -> None: """ Set the callback which will be invoked when the user clicks the update packages button Should be invoked after your service sets the sync state to SYNCING and before setting the sync state to SUCCESS. Action will be reset to None when the next sync starts """ self._update_packages_action = action self._update_packages_enabled = True self.updatePackagesEnabledChanged.emit(self._update_packages_enabled) def _onAccessTokenChanged(self): self.accessTokenChanged.emit() @property def is_staging(self) -> bool: """Indication whether the given authentication is applied against staging or not.""" return "staging" in self._oauth_root @pyqtProperty(bool, notify=loginStateChanged) def isLoggedIn(self) -> bool: return self._logged_in def _onLoginStateChanged(self, logged_in: bool = False, error_message: Optional[str] = None) -> None: if error_message: if self._error_message: self._error_message.hide() self._error_message = Message(error_message, title = i18n_catalog.i18nc("@info:title", "Login failed")) self._error_message.show() self._logged_in = False self.loginStateChanged.emit(False) if self._update_timer.isActive(): self._update_timer.stop() return if self._logged_in != logged_in: self._logged_in = logged_in self.loginStateChanged.emit(logged_in) if logged_in: self._setManualSyncEnabled(False) self._sync() else: if self._update_timer.isActive(): self._update_timer.stop() def _sync(self) -> None: """Signals all sync services to start syncing This can be considered a forced sync: even when a sync is currently running, a sync will be requested. """ self._update_packages_action = None self._update_packages_enabled = False self.updatePackagesEnabledChanged.emit(self._update_packages_enabled) if self._update_timer.isActive(): self._update_timer.stop() elif self._sync_state == SyncState.SYNCING: Logger.warning("Starting a new sync while previous sync was not completed\n{}", str(self._sync_services)) self.syncRequested.emit() def _setManualSyncEnabled(self, enabled: bool) -> None: if self._manual_sync_enabled != enabled: self._manual_sync_enabled = enabled self.manualSyncEnabledChanged.emit(enabled) @pyqtSlot() @pyqtSlot(bool) def login(self, force_logout_before_login: bool = False) -> None: """ Initializes the login process. If the user is logged in already and force_logout_before_login is true, Cura will logout from the account before initiating the authorization flow. If the user is logged in and force_logout_before_login is false, the function will return, as there is nothing to do. :param force_logout_before_login: Optional boolean parameter :return: None """ if self._logged_in: if force_logout_before_login: self.logout() else: # Nothing to do, user already logged in. return self._authorization_service.startAuthorizationFlow(force_logout_before_login) @pyqtProperty(str, notify=loginStateChanged) def userName(self): user_profile = self._authorization_service.getUserProfile() if not user_profile: return None return user_profile.username @pyqtProperty(str, notify = loginStateChanged) def profileImageUrl(self): user_profile = self._authorization_service.getUserProfile() if not user_profile: return None return user_profile.profile_image_url @pyqtProperty(str, notify=accessTokenChanged) def accessToken(self) -> Optional[str]: return self._authorization_service.getAccessToken() @pyqtProperty("QVariantMap", notify = loginStateChanged) def userProfile(self) -> Optional[Dict[str, Optional[str]]]: """None if no user is logged in otherwise the logged in user as a dict containing containing user_id, username and profile_image_url """ user_profile = self._authorization_service.getUserProfile() if not user_profile: return None return user_profile.__dict__ @pyqtProperty(str, notify=lastSyncDateTimeChanged) def lastSyncDateTime(self) -> str: return self._last_sync_str @pyqtProperty(bool, notify=manualSyncEnabledChanged) def manualSyncEnabled(self) -> bool: return self._manual_sync_enabled @pyqtProperty(bool, notify=updatePackagesEnabledChanged) def updatePackagesEnabled(self) -> bool: return self._update_packages_enabled @pyqtSlot() @pyqtSlot(bool) def sync(self, user_initiated: bool = False) -> None: if user_initiated: self._setManualSyncEnabled(False) self._sync() @pyqtSlot() def onUpdatePackagesClicked(self) -> None: if self._update_packages_action is not None: self._update_packages_action() @pyqtSlot() def popupOpened(self) -> None: self._setManualSyncEnabled(True) @pyqtSlot() def logout(self) -> None: if not self._logged_in: return # Nothing to do, user isn't logged in. self._authorization_service.deleteAuthData()