/usr/lib/python2.7/dist-packages/trytond/modules/calendar_todo/webdav.py is in tryton-modules-calendar-todo 4.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
import vobject
import urllib
from pywebdav.lib.errors import DAV_NotFound, DAV_Forbidden
from sql.functions import Extract
from sql.conditionals import Coalesce
from sql.aggregate import Max
from trytond.tools import reduce_ids, grouped_slice
from trytond.transaction import Transaction
from trytond.cache import Cache
from trytond.pool import Pool, PoolMeta
__all__ = ['Collection']
__metaclass__ = PoolMeta
class Collection:
__name__ = "webdav.collection"
_todo_cache = Cache('webdav_collection.todo')
@classmethod
def todo(cls, uri, calendar_id=False):
'''
Return the todo id in the uri
'''
Todo = Pool().get('calendar.todo')
if uri and uri.startswith('Calendars/'):
calendar, todo_uri = (uri[10:].split('/', 1) + [None])[0:2]
if not calendar_id:
calendar_id = cls.calendar(uri)
if not calendar_id:
return None
todos = Todo.search([
('calendar', '=', calendar_id),
('uuid', '=', todo_uri[:-4]),
('parent', '=', None),
], limit=1)
if todos:
return todos[0].id
@classmethod
def _caldav_filter_domain_todo(cls, filter):
'''
Return a domain for caldav filter on todo
'''
res = []
if not filter:
return []
if filter.localName == 'principal-property-search':
return [('id', '=', 0)]
elif filter.localName == 'calendar-query':
calendar_filter = None
for e in filter.childNodes:
if e.nodeType == e.TEXT_NODE:
continue
if e.localName == 'filter':
calendar_filter = e
break
if calendar_filter is None:
return []
for vcalendar_filter in calendar_filter.childNodes:
if vcalendar_filter.nodeType == vcalendar_filter.TEXT_NODE:
continue
if vcalendar_filter.getAttribute('name') != 'VCALENDAR':
return [('id', '=', 0)]
vtodo_filter = None
for vtodo_filter in vcalendar_filter.childNodes:
if vtodo_filter.nodeType == vtodo_filter.TEXT_NODE:
vtodo_filter = None
continue
if vtodo_filter.localName == 'comp-filter':
if vtodo_filter.getAttribute('name') != 'VTODO':
vtodo_filter = None
continue
break
if vtodo_filter is None:
return [('id', '=', 0)]
break
return []
elif filter.localName == 'calendar-multiget':
ids = []
for e in filter.childNodes:
if e.nodeType == e.TEXT_NODE:
continue
if e.localName == 'href':
if not e.firstChild:
continue
uri = e.firstChild.data
dbname, uri = (uri.lstrip('/').split('/', 1) + [None])[0:2]
if not dbname:
continue
dbname == urllib.unquote_plus(dbname)
if dbname != Transaction().database.name:
continue
if uri:
uri = urllib.unquote_plus(uri)
todo_id = cls.todo(uri)
if todo_id:
ids.append(todo_id)
return [('id', 'in', ids)]
return res
@classmethod
def get_childs(cls, uri, filter=None, cache=None):
Todo = Pool().get('calendar.todo')
res = super(Collection, cls).get_childs(uri, filter=filter,
cache=cache)
if uri and (uri not in ('Calendars', 'Calendars/')) and \
uri.startswith('Calendars/'):
calendar_id = cls.calendar(uri)
if calendar_id and not (uri[10:].split('/', 1) + [None])[1]:
domain = cls._caldav_filter_domain_todo(filter)
todos = Todo.search([
('calendar', '=', calendar_id),
domain,
])
if cache is not None:
cache.setdefault('_calendar', {})
cache['_calendar'].setdefault(Todo.__name__, {})
for todo in todos:
cache['_calendar'][Todo.__name__][todo.id] = {}
return res + [x.uuid + '.ics' for x in todos]
return res
@classmethod
def get_resourcetype(cls, uri, cache=None):
from pywebdav.lib.constants import COLLECTION, OBJECT
if uri in ('Calendars', 'Calendars/'):
return COLLECTION
calendar_id = cls.calendar(uri)
if calendar_id:
if not (uri[10:].split('/', 1) + [None])[1]:
return COLLECTION
if cls.todo(uri, calendar_id=calendar_id):
return OBJECT
elif cls.calendar(uri, ics=True):
return OBJECT
return super(Collection, cls).get_resourcetype(uri, cache=cache)
@classmethod
def get_contenttype(cls, uri, cache=None):
if (cls.todo(uri)
or cls.calendar(uri, ics=True)):
return 'text/calendar'
return super(Collection, cls).get_contenttype(uri, cache=cache)
@classmethod
def get_creationdate(cls, uri, cache=None):
Todo = Pool().get('calendar.todo')
todo = Todo.__table__()
cursor = Transaction().connection.cursor()
calendar_id = cls.calendar(uri)
if not calendar_id:
calendar_id = cls.calendar(uri, ics=True)
if calendar_id and (uri[10:].split('/', 1) + [None])[1]:
todo_id = cls.todo(uri, calendar_id=calendar_id)
if todo_id:
if cache is not None:
cache.setdefault('_calendar', {})
cache['_calendar'].setdefault(Todo.__name__, {})
ids = cache['_calendar'][Todo.__name__].keys()
if todo_id not in ids:
ids.append(todo_id)
elif 'creationdate' in cache['_calendar'][
Todo.__name__][todo_id]:
return cache['_calendar'][Todo.__name__][
todo_id]['creationdate']
else:
ids = [todo_id]
res = None
for sub_ids in grouped_slice(ids):
red_sql = reduce_ids(todo.id, sub_ids)
cursor.execute(*todo.select(todo.id,
Extract('EPOCH', todo.create_date),
where=red_sql))
for todo_id2, date in cursor.fetchall():
if todo_id2 == todo_id:
res = date
if cache is not None:
cache['_calendar'][Todo.__name__]\
.setdefault(todo_id2, {})
cache['_calendar'][Todo.__name__][
todo_id2]['creationdate'] = date
if res is not None:
return res
return super(Collection, cls).get_creationdate(uri, cache=cache)
@classmethod
def get_lastmodified(cls, uri, cache=None):
Todo = Pool().get('calendar.todo')
todo = Todo.__table__()
transaction = Transaction()
cursor = transaction.connection.cursor()
calendar_id = cls.calendar(uri)
if calendar_id and (uri[10:].split('/', 1) + [None])[1]:
todo_id = cls.todo(uri, calendar_id=calendar_id)
if todo_id:
if cache is not None:
cache.setdefault('_calendar', {})
cache['_calendar'].setdefault(Todo.__name__, {})
ids = cache['_calendar'][Todo.__name__].keys()
if todo_id not in ids:
ids.append(todo_id)
elif 'lastmodified' in cache['_calendar'][
Todo.__name__][todo_id]:
return cache['_calendar'][Todo.__name__][
todo_id]['lastmodified']
else:
ids = [todo_id]
res = None
for sub_ids in grouped_slice(ids,
transaction.database.IN_MAX / 2):
red_id_sql = reduce_ids(todo.id, sub_ids)
red_parent_sql = reduce_ids(todo.parent, sub_ids)
cursor.execute(*todo.select(Coalesce(todo.parent, todo.id),
Max(Extract('EPOCH', Coalesce(todo.write_date,
todo.create_date))),
where=red_id_sql | red_parent_sql,
group_by=(todo.parent, todo.id)))
for todo_id2, date in cursor.fetchall():
if todo_id2 == todo_id:
res = date
if cache is not None:
cache['_calendar'][Todo.__name__]\
.setdefault(todo_id2, {})
cache['_calendar'][Todo.__name__][
todo_id2]['lastmodified'] = date
if res is not None:
return res
return super(Collection, cls).get_lastmodified(uri, cache=cache)
@classmethod
def get_data(cls, uri, cache=None):
Todo = Pool().get('calendar.todo')
calendar_id = cls.calendar(uri)
if calendar_id:
if not (uri[10:].split('/', 1) + [None])[1]:
raise DAV_NotFound
todo_id = cls.todo(uri, calendar_id=calendar_id)
if not todo_id:
return super(Collection, cls).get_data(uri, cache=cache)
ical = Todo(todo_id).todo2ical()
return ical.serialize()
return super(Collection, cls).get_data(uri, cache=cache)
@classmethod
def put(cls, uri, data, content_type, cache=None):
pool = Pool()
Todo = pool.get('calendar.todo')
Calendar = pool.get('calendar.calendar')
calendar_id = cls.calendar(uri)
if calendar_id:
if not (uri[10:].split('/', 1) + [None])[1]:
raise DAV_Forbidden
todo_id = cls.todo(uri, calendar_id=calendar_id)
ical = vobject.readOne(data)
if not hasattr(ical, 'vtodo'):
return super(Collection, cls).put(uri, data, content_type)
if not todo_id:
values = Todo.ical2values(None, ical, calendar_id)
todo, = Todo.create([values])
calendar = Calendar(calendar_id)
return Transaction().database.name + '/Calendars/' + \
calendar.name + '/' + todo.uuid + '.ics'
else:
values = Todo.ical2values(todo_id, ical, calendar_id)
Todo.write([Todo(todo_id)], values)
return
return super(Collection, cls).put(uri, data, content_type)
@classmethod
def rm(cls, uri, cache=None):
Todo = Pool().get('calendar.todo')
calendar_id = cls.calendar(uri)
if calendar_id:
if not (uri[10:].split('/', 1) + [None])[1]:
raise DAV_Forbidden
todo_id = cls.todo(uri, calendar_id=calendar_id)
if todo_id:
try:
Todo.delete([Todo(todo_id)])
except Exception:
raise DAV_Forbidden
return 200
return super(Collection, cls).rm(uri, cache=cache)
@classmethod
def exists(cls, uri, cache=None):
if uri in ('Calendars', 'Calendars/'):
return 1
calendar_id = cls.calendar(uri)
if calendar_id:
if not (uri[10:].split('/', 1) + [None])[1]:
return 1
if cls.todo(uri, calendar_id=calendar_id):
return 1
return super(Collection, cls).exists(uri, cache=cache)
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