def propfind(self, path, collections, request_body, environ):
"""
Manage PROPFIND request.
According to [RFC 4918], it should have the following request body :
<D:propfind>
<D:prop>
...
</D:prop>
</D:propfind>
It should return the following content :
207 Multi-Status
<D:multistatus>
<D:response>
<D:href>calendar uri</D:href>
<D:propstat>
<D:prop>
...
</D:prop>
<D:status>...</D:status>
</D:propstat>
</D:response>
...
</D:multistatus>
"""
headers = {
'DAV': '1, 2, access-control, calendar-access',
'Content-Type': 'text/xml',
}
# Read request
dom = ET.fromstring(request_body)
dprop = dom.find(xmlutils.tag('D', 'prop'))
props = [prop.tag for prop in dprop]
# Write answer
multistatus = ET.Element(xmlutils.tag('D', 'multistatus'))
for collection in collections:
response = xmlutils.propfind_response(path, collection, props)
multistatus.append(response)
return 207, headers, [xmlutils.render(multistatus)]
def delete(self, path, collections, request_body, environ):
"""
Manage DELETE request.
The URL contains the element to delete :
/path/to/calendar/element-uid.ics : delete an item
/path/to/calendar/ : delete the whole calendar
"""
collection = collections[0]
if collection.path == path.strip('/'):
# Path match the collection, delete the whole collection
item = collection
else:
# Path match an item, delete the item
item = collection.get_item(self.wsgi_name_from_path(path, collection))
if item and environ.get('HTTP_IF_MATCH', item.etag) == item.etag:
# No ETag precondition, or precondition verified
if item is collection:
collection.delete()
else:
collection.remove(item.name)
# Write response body
multistatus = ET.Element(xmlutils.tag('D', 'multistatus'))
response = ET.Element(xmlutils.tag('D', 'response'))
multistatus.append(response)
href = ET.Element(xmlutils.tag('D', 'href'))
href.text = path
response.append(href)
status = ET.Element(xmlutils.tag('D', 'status'))
status.text = util.http_response(200)
response.append(status)
return 204, {}, [xmlutils.render(multistatus)]
# No item or ETag precondition not verified
return 412, {}, []
def report(self, path, collections, request_body, environ):
"""
Manage REPORT request.
According to [RFC 3253], it should return 207 Multi-Status.
The request body contains :
<C:calendar-multiget / calendar-query>
<D:href>...</D:href>
<D:prop>
...
</D:prop>
</C:calendar-multiget / calendar-query>
It should returns the following content :
<D:multistatus>
<D:response>
<D:href>
<D:propstat>
<D:prop>
...
</D:prop>
<D:status>...</D:status>
</D:propstat>
</D:response>
...
</D:multistatus>
"""
headers = {
'Content-Type': 'text/xml',
}
collection = collections[0]
# Parse request body
dom = ET.fromstring(request_body)
dprop = dom.find(xmlutils.tag('D', 'prop'))
properties = [prop.tag for prop in dprop]
if collection:
if dom.tag == xmlutils.tag('C', 'calendar-multiget'):
hrefs = set(href.text for href in dom.findall(xmlutils.tag('D', 'href')))
else:
hrefs = (path,)
else:
hrefs = ()
# Write response body
multistatus = ET.Element(xmlutils.tag('D', 'multistatus'))
for href in hrefs:
name = self.wsgi_name_from_path(href, collection)
if name:
# The reference is an item
path = '/'.join(href.split('/')[:-1]) + '/'
items = (item for item in collection.items if item.name == name)
else:
# The reference is a collection
path = href
items = collection.components
# Create a response element for all items
for item in items:
response = ET.Element(xmlutils.tag('D', 'response'))
multistatus.append(response)
xmlhref = ET.Element(xmlutils.tag('D', 'href'))
xmlhref.text = '/'.join([path.rstrip('/'), item.name]) + '.ics'
response.append(xmlhref)
propstat = ET.Element(xmlutils.tag('D', 'propstat'))
response.append(propstat)
prop = ET.Element(xmlutils.tag('D', 'prop'))
propstat.append(prop)
for tag in properties:
element = ET.Element(tag)
if tag == xmlutils.tag('D', 'getetag'):
element.text = item.etag
elif tag == xmlutils.tag('C', 'calendar-data'):
if isinstance(item, ical.Component):
element.text = item.to_ical()
prop.append(element)
status = ET.Element(xmlutils.tag('D', 'status'))
status.text = util.http_response(200)
propstat.append(status)
return 207, headers, [xmlutils.render(multistatus)]