def authorized(user, collection, permission):
"""
:param user: radicale given user id, should be email
:param collection: Calendar representation
:param permission: 'r' or 'w'
:return: True if user can access calendar with asked permission
"""
if not user:
return False
current_user = UserApi(None).get_one_by_email(user)
manager = CalendarManager(current_user)
if manager.is_discovery_path(collection.path):
return True
try:
calendar = manager.find_calendar_with_path(collection.path)
except NotFound:
return False
if permission == CALENDAR_PERMISSION_READ:
return calendar.user_can_read(current_user)
return calendar.user_can_write(current_user)
class Collection(BaseCollection):
"""
Radicale use it's own storage system but this override create, update
and delete events in our database.
"""
def __init__(self, path: str, principal: bool=False):
super().__init__(path, principal)
self._replacing = False # See ``replacing`` context manager
self._manager = CalendarManager(None)
@contextmanager
def replacing(self):
"""
Radicale filesystem storage make a ``remove`` then an ``append`` to
update an item. So to know what we are in update context when
``append`` and ``remove`` functions are called, use this context
manager in ``replace`` function.
"""
try:
self._replacing = True
yield self
finally:
self._replacing = False
def replace(self, name: str, text: str) -> None:
"""
Override of parent replace to manage event update action. See
``replacing`` context manager for more informations.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
"""
with self.replacing():
super().replace(name, text)
self._update_tracim_event(name, text)
def remove(self, name: str) -> None:
"""
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
"""
super().remove(name)
if not self._replacing:
self._remove_tracim_event(name)
def append(self, name: str, text: str) -> None:
"""
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
"""
super().append(name, text)
if not self._replacing:
self._add_tracim_event(name, text)
def _add_tracim_event(self, name: str, text: str) -> Content:
"""
Create tracim internal Event (Content) with Radicale given data.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
:return: Created Content
"""
event = self._extract_event(name, text)
calendar = self._manager.find_calendar_with_path(self.path)
return self._manager.add_event(
calendar=calendar,
event=event,
event_name=name,
owner=Auth.current_user
)
def _update_tracim_event(self, name: str, text: str) -> Content:
"""
Update tracim internal Event (Content) with Radicale given data.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
:return: Updated Content
"""
event = self._extract_event(name, text)
calendar = self._manager.find_calendar_with_path(self.path)
return self._manager.update_event(
calendar=calendar,
event=event,
event_name=name,
current_user=Auth.current_user
)
def _remove_tracim_event(self, name: str) -> Content:
"""
Delete internal tracim Event (Content) with given Event name.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:return: Deleted Content
"""
return self._manager.delete_event_with_name(name, Auth.current_user)
def _extract_event(self, name: str, text: str) -> iCalendarEvent:
"""
Return a icalendar.cal.Event construct with given Radicale ICS data.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
:return: ICS Event representation
"""
radicale_items = self._parse(text, (RadicaleEvent,), name)
for item_name in radicale_items:
item = radicale_items[item_name]
if isinstance(item, RadicaleEvent):
return iCalendarEvent.from_ical(item.text)
class Collection(BaseCollection):
"""
Radicale use it's own storage system but this override create, update
and delete events in our database.
"""
def __init__(self, path: str, principal: bool = False):
super().__init__(path, principal)
self._replacing = False # See ``replacing`` context manager
self._manager = CalendarManager(Auth.current_user)
@contextmanager
def replacing(self):
"""
Radicale filesystem storage make a ``remove`` then an ``append`` to
update an item. So to know what we are in update context when
``append`` and ``remove`` functions are called, use this context
manager in ``replace`` function.
"""
try:
self._replacing = True
yield self
finally:
self._replacing = False
def replace(self, name: str, text: str) -> None:
"""
Override of parent replace to manage event update action. See
``replacing`` context manager for more informations.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
"""
with self.replacing():
super().replace(name, text)
self._update_tracim_event(name, text)
def remove(self, name: str) -> None:
"""
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
"""
super().remove(name)
if not self._replacing:
self._remove_tracim_event(name)
def append(self, name: str, text: str) -> None:
"""
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
"""
super().append(name, text)
if not self._replacing:
self._add_tracim_event(name, text)
def _add_tracim_event(self, name: str, text: str) -> Content:
"""
Create tracim internal Event (Content) with Radicale given data.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
:return: Created Content
"""
event = self._extract_event(name, text)
calendar = self._manager.find_calendar_with_path(self.path)
return self._manager.add_event(calendar=calendar,
event=event,
event_name=name,
owner=Auth.current_user)
def _update_tracim_event(self, name: str, text: str) -> Content:
"""
Update tracim internal Event (Content) with Radicale given data.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
:return: Updated Content
"""
event = self._extract_event(name, text)
calendar = self._manager.find_calendar_with_path(self.path)
return self._manager.update_event(calendar=calendar,
event=event,
event_name=name,
current_user=Auth.current_user)
def _remove_tracim_event(self, name: str) -> Content:
"""
Delete internal tracim Event (Content) with given Event name.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:return: Deleted Content
"""
return self._manager.delete_event_with_name(name, Auth.current_user)
def _extract_event(self, name: str, text: str) -> iCalendarEvent:
"""
Return a icalendar.cal.Event construct with given Radicale ICS data.
:param name: Event name (ID) like
20160602T083511Z-18100-1001-1-71_Bastien-20160602T083516Z.ics
:param text: ICS Event content
:return: ICS Event representation
"""
radicale_items = self._parse(text, (RadicaleEvent, ), name)
for item_name in radicale_items:
item = radicale_items[item_name]
if isinstance(item, RadicaleEvent):
return iCalendarEvent.from_ical(item.text)
