Move UltimakerCloudAuthentication and UltimakerCloudScope

...to their own module
Fixes an import error where UltimakerCloudScope was used my both the
Toolbox and CuraDrive plugins

CURA-7150

cura/UltimakerCloud/UltimakerCloudAuthentication.py

@@ -0,0 +1,30 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+# ---------
+# Constants used for the Cloud API
+# ---------
+DEFAULT_CLOUD_API_ROOT = "https://api.ultimaker.com"  # type: str
+DEFAULT_CLOUD_API_VERSION = "1"  # type: str
+DEFAULT_CLOUD_ACCOUNT_API_ROOT = "https://account.ultimaker.com"  # type: str
+
+try:
+    from cura.CuraVersion import CuraCloudAPIRoot  # type: ignore
+    if CuraCloudAPIRoot == "":
+        CuraCloudAPIRoot = DEFAULT_CLOUD_API_ROOT
+except ImportError:
+    CuraCloudAPIRoot = DEFAULT_CLOUD_API_ROOT
+
+try:
+    from cura.CuraVersion import CuraCloudAPIVersion  # type: ignore
+    if CuraCloudAPIVersion == "":
+        CuraCloudAPIVersion = DEFAULT_CLOUD_API_VERSION
+except ImportError:
+    CuraCloudAPIVersion = DEFAULT_CLOUD_API_VERSION
+
+try:
+    from cura.CuraVersion import CuraCloudAccountAPIRoot  # type: ignore
+    if CuraCloudAccountAPIRoot == "":
+        CuraCloudAccountAPIRoot = DEFAULT_CLOUD_ACCOUNT_API_ROOT
+except ImportError:
+    CuraCloudAccountAPIRoot = DEFAULT_CLOUD_ACCOUNT_API_ROOT

cura/UltimakerCloud/UltimakerCloudScope.py

@@ -0,0 +1,31 @@
+from PyQt5.QtNetwork import QNetworkRequest
+
+from UM.Logger import Logger
+from UM.TaskManagement.HttpRequestScope import DefaultUserAgentScope
+from cura.API import Account
+from cura.CuraApplication import CuraApplication
+
+
+class UltimakerCloudScope(DefaultUserAgentScope):
+    """Add an Authorization header to the request for Ultimaker Cloud Api requests.
+
+    When the user is not logged in or a token is not available, a warning will be logged
+    Also add the user agent headers (see DefaultUserAgentScope)
+    """
+
+    def __init__(self, application: CuraApplication):
+        super().__init__(application)
+        api = application.getCuraAPI()
+        self._account = api.account  # type: Account
+
+    def requestHook(self, request: QNetworkRequest):
+        super().requestHook(request)
+        token = self._account.accessToken
+        if not self._account.isLoggedIn or token is None:
+            Logger.warning("Cannot add authorization to Cloud Api request")
+            return
+
+        header_dict = {
+            "Authorization": "Bearer {}".format(token)
+        }
+        self.addHeaders(request, header_dict)