def multiget_common(self, request, multiget, collection_type):
"""
Generate a multiget REPORT.
"""
# Make sure target resource is of the right type
if not self.isCollection():
parent = (yield self.locateParent(request, request.uri))
if collection_type == COLLECTION_TYPE_CALENDAR:
if not parent.isPseudoCalendarCollection():
log.error("calendar-multiget report is not allowed on a resource outside of a calendar collection %s" % (self,))
raise HTTPError(StatusResponse(responsecode.FORBIDDEN, "Must be calendar resource"))
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if not parent.isAddressBookCollection():
log.error("addressbook-multiget report is not allowed on a resource outside of an address book collection %s" % (self,))
raise HTTPError(StatusResponse(responsecode.FORBIDDEN, "Must be address book resource"))
responses = []
propertyreq = multiget.property
resources = multiget.resources
if not hasattr(request, "extendedLogItems"):
request.extendedLogItems = {}
request.extendedLogItems["rcount"] = len(resources)
hasData = False
if propertyreq.qname() == ("DAV:", "allprop"):
propertiesForResource = report_common.allPropertiesForResource
elif propertyreq.qname() == ("DAV:", "propname"):
propertiesForResource = report_common.propertyNamesForResource
elif propertyreq.qname() == ("DAV:", "prop"):
propertiesForResource = report_common.propertyListForResource
if collection_type == COLLECTION_TYPE_CALENDAR:
# Verify that any calendar-data element matches what we can handle
result, message, hasData = report_common.validPropertyListCalendarDataTypeVersion(propertyreq)
precondition = (caldav_namespace, "supported-calendar-data")
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
# Verify that any address-data element matches what we can handle
result, message, hasData = report_common.validPropertyListAddressDataTypeVersion(propertyreq)
precondition = (carddav_namespace, "supported-address-data")
else:
result = True
if not result:
log.error(message)
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
precondition,
"Invalid object data element",
))
else:
raise AssertionError("We shouldn't be here")
# Check size of results is within limit when data property requested
if hasData and len(resources) > config.MaxMultigetWithDataHrefs:
log.error("Too many results in multiget report returning data: %d" % len(resources))
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
davxml.NumberOfMatchesWithinLimits(),
"Too many resources",
))
"""
Three possibilities exist:
1. The request-uri is a calendar collection, in which case all the hrefs
MUST be one-level below that collection and must be calendar object resources.
2. The request-uri is a regular collection, in which case all the hrefs
MUST be children of that (at any depth) but MUST also be calendar object
resources (i.e. immediate child of a calendar collection).
3. The request-uri is a resource, in which case there MUST be
a single href equal to the request-uri, and MUST be a calendar
object resource.
"""
disabled = False
if self.isPseudoCalendarCollection():
requestURIis = "calendar"
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield self.inheritedACEsforChildren(request))
# Check for disabled access
if filteredaces is None:
disabled = True
# Check private events access status
isowner = (yield self.isOwner(request))
elif self.isAddressBookCollection():
requestURIis = "addressbook"
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield self.inheritedACEsforChildren(request))
# Check for disabled access
if filteredaces is None:
disabled = True
isowner = None
elif self.isCollection():
requestURIis = "collection"
filteredaces = None
lastParent = None
isowner = None
else:
requestURIis = "resource"
filteredaces = None
isowner = None
if not disabled:
@inlineCallbacks
def doResponse():
# Special for addressbooks
if collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if self.isDirectoryBackedAddressBookCollection() and self.directory.liveQuery:
result = (yield doDirectoryAddressBookResponse())
returnValue(result)
# Verify that requested resources are immediate children of the request-URI
valid_names = []
for href in resources:
resource_uri = str(href)
name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if not self._isChildURI(request, resource_uri):
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.BAD_REQUEST)))
else:
valid_names.append(name)
if not valid_names:
returnValue(None)
# Now determine which valid resources are readable and which are not
ok_resources = []
bad_resources = []
missing_resources = []
unavailable_resources = []
yield self.findChildrenFaster(
"1",
request,
lambda x, y: ok_resources.append((x, y)),
lambda x, y: bad_resources.append((x, y)),
lambda x: missing_resources.append(x),
lambda x: unavailable_resources.append(x),
valid_names,
(davxml.Read(),),
inherited_aces=filteredaces
)
# Get properties for all valid readable resources
for resource, href in ok_resources:
try:
yield report_common.responseForHref(
request, responses, davxml.HRef.fromString(href),
resource, propertiesForResource, propertyreq,
isowner=isowner
)
except ValueError:
log.error("Invalid calendar resource during multiget: %s" %
(href,))
responses.append(davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
except ConcurrentModification:
# This can happen because of a race-condition between the
# time we determine which resources exist and the deletion
# of one of these resources in another request. In this
# case, return a 404 for the now missing resource rather
# than raise an error for the entire report.
log.error("Missing resource during multiget: %s" % (href,))
responses.append(davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(responsecode.NOT_FOUND)
))
# Indicate error for all valid non-readable resources
for ignore_resource, href in bad_resources:
responses.append(davxml.StatusResponse(davxml.HRef.fromString(href), davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
# Indicate error for all missing/unavailable resources
for href in missing_resources:
responses.append(davxml.StatusResponse(davxml.HRef.fromString(href), davxml.Status.fromResponseCode(responsecode.NOT_FOUND)))
for href in unavailable_resources:
responses.append(davxml.StatusResponse(davxml.HRef.fromString(href), davxml.Status.fromResponseCode(responsecode.SERVICE_UNAVAILABLE)))
@inlineCallbacks
def doDirectoryAddressBookResponse():
directoryAddressBookLock = None
try:
# Verify that requested resources are immediate children of the request-URI
# and get vCardFilters ;similar to "normal" case below but do not call getChild()
vCardFilters = []
valid_hrefs = []
for href in resources:
resource_uri = str(href)
resource_name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if self._isChildURI(request, resource_uri) and resource_name.endswith(".vcf") and len(resource_name) > 4:
valid_hrefs.append(href)
vCardFilters.append(carddavxml.PropertyFilter(
carddavxml.TextMatch.fromString(resource_name[:-4]),
name="UID", # attributes
))
elif not self.directory.cacheQuery:
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.NOT_FOUND)))
# exit if not valid
if not vCardFilters or not valid_hrefs:
returnValue(None)
addressBookFilter = carddavxml.Filter(*vCardFilters)
addressBookFilter = addressbookqueryfilter.Filter(addressBookFilter)
if self.directory.cacheQuery:
# add vcards to directory address book and run "normal case" below
limit = config.DirectoryAddressBook.MaxQueryResults
directoryAddressBookLock, limited = (yield self.directory.cacheVCardsForAddressBookQuery(addressBookFilter, propertyreq, limit))
if limited:
log.error("Too many results in multiget report: %d" % len(resources))
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
(dav_namespace, "number-of-matches-within-limits"),
"Too many results",
))
else:
#get vCards and filter
limit = config.DirectoryAddressBook.MaxQueryResults
vCardRecords, limited = (yield self.directory.vCardRecordsForAddressBookQuery(addressBookFilter, propertyreq, limit))
if limited:
log.error("Too many results in multiget report: %d" % len(resources))
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
(dav_namespace, "number-of-matches-within-limits"),
"Too many results",
))
for href in valid_hrefs:
matchingRecord = None
for vCardRecord in vCardRecords:
if href == vCardRecord.hRef(): # might need to compare urls instead - also case sens ok?
matchingRecord = vCardRecord
break
if matchingRecord:
yield report_common.responseForHref(request, responses, href, matchingRecord, propertiesForResource, propertyreq, vcard=matchingRecord.vCard())
else:
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.NOT_FOUND)))
finally:
if directoryAddressBookLock:
yield directoryAddressBookLock.release()
if requestURIis == "calendar" or requestURIis == "addressbook":
yield doResponse()
else:
for href in resources:
resource_uri = str(href)
# Do href checks
if requestURIis == "calendar":
pass
elif requestURIis == "addressbook":
pass
# TODO: we can optimize this one in a similar manner to the calendar case
elif requestURIis == "collection":
name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if not self._isChildURI(request, resource_uri, False):
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.NOT_FOUND)))
continue
child = (yield request.locateResource(resource_uri))
if not child or not child.exists():
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.NOT_FOUND)))
continue
parent = (yield child.locateParent(request, resource_uri))
if collection_type == COLLECTION_TYPE_CALENDAR:
if not parent.isCalendarCollection() or not (yield parent.index().resourceExists(name)):
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
continue
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if not parent.isAddressBookCollection() or not (yield parent.index().resourceExists(name)):
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
continue
# Check privileges on parent - must have at least DAV:read
try:
yield parent.checkPrivileges(request, (davxml.Read(),))
except AccessDeniedError:
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
continue
# Cache the last parent's inherited aces for checkPrivileges optimization
if lastParent != parent:
lastParent = parent
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield parent.inheritedACEsforChildren(request))
# Check private events access status
isowner = (yield parent.isOwner(request))
else:
name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if (resource_uri != request.uri) or not self.exists():
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.NOT_FOUND)))
continue
parent = (yield self.locateParent(request, resource_uri))
if collection_type == COLLECTION_TYPE_CALENDAR:
if not parent.isPseudoCalendarCollection() or not (yield parent.index().resourceExists(name)):
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
continue
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if not parent.isAddressBookCollection() or not (yield parent.index().resourceExists(name)):
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
continue
child = self
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield parent.inheritedACEsforChildren(request))
# Check private events access status
isowner = (yield parent.isOwner(request))
# Check privileges - must have at least DAV:read
try:
yield child.checkPrivileges(request, (davxml.Read(),), inherited_aces=filteredaces)
except AccessDeniedError:
responses.append(davxml.StatusResponse(href, davxml.Status.fromResponseCode(responsecode.FORBIDDEN)))
continue
yield report_common.responseForHref(request, responses, href, child, propertiesForResource, propertyreq, isowner=isowner)
returnValue(MultiStatusResponse(responses))
def report_urn_ietf_params_xml_ns_caldav_calendar_query(self, request, calendar_query):
"""
Generate a calendar-query REPORT.
(CalDAV-access-09, section 7.6)
"""
# Verify root element
if calendar_query.qname() != (caldav_namespace, "calendar-query"):
raise ValueError("{CalDAV:}calendar-query expected as root element, not %s." % (calendar_query.sname(),))
if not self.isCollection():
parent = (yield self.locateParent(request, request.uri))
if not parent.isPseudoCalendarCollection():
log.error("calendar-query report is not allowed on a resource outside of a calendar collection %s" % (self,))
raise HTTPError(StatusResponse(responsecode.FORBIDDEN, "Must be calendar collection or calendar resource"))
responses = []
xmlfilter = calendar_query.filter
filter = Filter(xmlfilter)
props = calendar_query.props
assert props is not None
# Get the original timezone provided in the query, if any, and validate it now
query_timezone = None
query_tz = calendar_query.timezone
if query_tz is not None and not query_tz.valid():
msg = "CalDAV:timezone must contain one VTIMEZONE component only: %s" % (query_tz,)
log.error(msg)
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
(caldav_namespace, "valid-calendar-data"),
"Invalid calendar-data",
))
if query_tz:
filter.settimezone(query_tz)
query_timezone = tuple(calendar_query.timezone.calendar().subcomponents())[0]
if props.qname() == ("DAV:", "allprop"):
propertiesForResource = report_common.allPropertiesForResource
generate_calendar_data = False
elif props.qname() == ("DAV:", "propname"):
propertiesForResource = report_common.propertyNamesForResource
generate_calendar_data = False
elif props.qname() == ("DAV:", "prop"):
propertiesForResource = report_common.propertyListForResource
# Verify that any calendar-data element matches what we can handle
result, message, generate_calendar_data = report_common.validPropertyListCalendarDataTypeVersion(props)
if not result:
log.error(message)
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
(caldav_namespace, "supported-calendar-data"),
"Invalid calendar-data",
))
else:
raise AssertionError("We shouldn't be here")
# Verify that the filter element is valid
if (filter is None) or not filter.valid():
log.error("Invalid filter element: %r" % (xmlfilter,))
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
(caldav_namespace, "valid-filter"),
"Invalid filter element",
))
matchcount = [0]
max_number_of_results = [config.MaxQueryWithDataResults if generate_calendar_data else None, ]
@inlineCallbacks
def doQuery(calresource, uri):
"""
Run a query on the specified calendar collection
accumulating the query responses.
@param calresource: the L{CalDAVResource} for a calendar collection.
@param uri: the uri for the calendar collection resource.
"""
@inlineCallbacks
def queryCalendarObjectResource(resource, uri, name, calendar, timezone, query_ok=False, isowner=True):
"""
Run a query on the specified calendar.
@param resource: the L{CalDAVResource} for the calendar.
@param uri: the uri of the resource.
@param name: the name of the resource.
@param calendar: the L{Component} calendar read from the resource.
"""
# Handle private events access restrictions
if not isowner:
access = resource.accessMode
else:
access = None
if query_ok or filter.match(calendar, access):
# Check size of results is within limit
matchcount[0] += 1
if max_number_of_results[0] is not None and matchcount[0] > max_number_of_results[0]:
raise NumberOfMatchesWithinLimits(max_number_of_results[0])
if name:
href = davxml.HRef.fromString(joinURL(uri, name))
else:
href = davxml.HRef.fromString(uri)
try:
yield report_common.responseForHref(request, responses, href, resource, propertiesForResource, props, isowner, calendar=calendar, timezone=timezone)
except ConcurrentModification:
# This can happen because of a race-condition between the
# time we determine which resources exist and the deletion
# of one of these resources in another request. In this
# case, we ignore the now missing resource rather
# than raise an error for the entire report.
log.error("Missing resource during query: %s" % (href,))
# Check whether supplied resource is a calendar or a calendar object resource
if calresource.isPseudoCalendarCollection():
# Get the timezone property from the collection if one was not set in the query,
# and store in the query filter for later use
has_prop = (yield calresource.hasProperty(CalendarTimeZone(), request))
timezone = query_timezone
if query_tz is None and has_prop:
tz = (yield calresource.readProperty(CalendarTimeZone(), request))
filter.settimezone(tz)
timezone = tuple(tz.calendar().subcomponents())[0]
# Do some optimization of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield calresource.inheritedACEsforChildren(request))
# Check private events access status
isowner = (yield calresource.isOwner(request))
# Check for disabled access
if filteredaces is not None:
index_query_ok = True
try:
# Get list of children that match the search and have read access
names = [name for name, ignore_uid, ignore_type in (yield calresource.search(filter))]
except IndexedSearchException:
names = yield calresource.listChildren()
index_query_ok = False
if not names:
returnValue(True)
# Now determine which valid resources are readable and which are not
ok_resources = []
yield calresource.findChildrenFaster(
"1",
request,
lambda x, y: ok_resources.append((x, y)),
None,
None,
None,
names,
(davxml.Read(),),
inherited_aces=filteredaces
)
for child, child_uri in ok_resources:
child_uri_name = child_uri[child_uri.rfind("/") + 1:]
if generate_calendar_data or not index_query_ok:
calendar = (yield child.iCalendarForUser(request))
assert calendar is not None, "Calendar %s is missing from calendar collection %r" % (child_uri_name, self)
else:
calendar = None
yield queryCalendarObjectResource(child, uri, child_uri_name, calendar, timezone, query_ok=index_query_ok, isowner=isowner)
else:
# Get the timezone property from the collection if one was not set in the query,
# and store in the query object for later use
timezone = query_timezone
if query_tz is None:
parent = (yield calresource.locateParent(request, uri))
assert parent is not None and parent.isPseudoCalendarCollection()
has_prop = (yield parent.hasProperty(CalendarTimeZone(), request))
if has_prop:
tz = (yield parent.readProperty(CalendarTimeZone(), request))
filter.settimezone(tz)
timezone = tuple(tz.calendar().subcomponents())[0]
# Check private events access status
isowner = (yield calresource.isOwner(request))
calendar = (yield calresource.iCalendarForUser(request))
yield queryCalendarObjectResource(calresource, uri, None, calendar, timezone)
returnValue(True)
# Run report taking depth into account
try:
depth = request.headers.getHeader("depth", "0")
yield report_common.applyToCalendarCollections(self, request, request.uri, depth, doQuery, (davxml.Read(),))
except TooManyInstancesError, ex:
log.error("Too many instances need to be computed in calendar-query report")
raise HTTPError(ErrorResponse(
responsecode.FORBIDDEN,
MaxInstances.fromString(str(ex.max_allowed)),
"Too many instances",
))
def multiget_common(self, request, multiget, collection_type):
"""
Generate a multiget REPORT.
"""
# Make sure target resource is of the right type
if not self.isCollection():
parent = (yield self.locateParent(request, request.uri))
if collection_type == COLLECTION_TYPE_CALENDAR:
if not parent.isPseudoCalendarCollection():
log.error(
"calendar-multiget report is not allowed on a resource outside of a calendar collection {res}",
res=self)
raise HTTPError(
StatusResponse(responsecode.FORBIDDEN,
"Must be calendar resource"))
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if not parent.isAddressBookCollection():
log.error(
"addressbook-multiget report is not allowed on a resource outside of an address book collection {res}",
res=self)
raise HTTPError(
StatusResponse(responsecode.FORBIDDEN,
"Must be address book resource"))
responses = []
propertyreq = multiget.property
resources = multiget.resources
if not hasattr(request, "extendedLogItems"):
request.extendedLogItems = {}
request.extendedLogItems["rcount"] = len(resources)
hasData = False
if propertyreq.qname() == ("DAV:", "allprop"):
propertiesForResource = report_common.allPropertiesForResource
elif propertyreq.qname() == ("DAV:", "propname"):
propertiesForResource = report_common.propertyNamesForResource
elif propertyreq.qname() == ("DAV:", "prop"):
propertiesForResource = report_common.propertyListForResource
if collection_type == COLLECTION_TYPE_CALENDAR:
# Verify that any calendar-data element matches what we can handle
result, message, hasData = report_common.validPropertyListCalendarDataTypeVersion(
propertyreq)
precondition = (caldav_namespace, "supported-calendar-data")
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
# Verify that any address-data element matches what we can handle
result, message, hasData = report_common.validPropertyListAddressDataTypeVersion(
propertyreq)
precondition = (carddav_namespace, "supported-address-data")
else:
result = True
if not result:
log.error(message)
raise HTTPError(
ErrorResponse(
responsecode.FORBIDDEN,
precondition,
"Invalid object data element",
))
else:
raise AssertionError("We shouldn't be here")
# Check size of results is within limit when data property requested
if hasData and len(resources) > config.MaxMultigetWithDataHrefs:
log.error("Too many resources in multiget report: {count}",
count=len(resources))
raise HTTPError(
ErrorResponse(
responsecode.FORBIDDEN,
davxml.NumberOfMatchesWithinLimits(),
"Too many resources",
))
"""
Three possibilities exist:
1. The request-uri is a calendar collection, in which case all the hrefs
MUST be one-level below that collection and must be calendar object resources.
2. The request-uri is a regular collection, in which case all the hrefs
MUST be children of that (at any depth) but MUST also be calendar object
resources (i.e. immediate child of a calendar collection).
3. The request-uri is a resource, in which case there MUST be
a single href equal to the request-uri, and MUST be a calendar
object resource.
"""
disabled = False
if self.isPseudoCalendarCollection():
requestURIis = "calendar"
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield self.inheritedACEsforChildren(request))
# Check for disabled access
if filteredaces is None:
disabled = True
# Check private events access status
isowner = (yield self.isOwner(request))
elif self.isAddressBookCollection():
requestURIis = "addressbook"
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield self.inheritedACEsforChildren(request))
# Check for disabled access
if filteredaces is None:
disabled = True
isowner = None
elif self.isCollection():
requestURIis = "collection"
filteredaces = None
lastParent = None
isowner = None
else:
requestURIis = "resource"
filteredaces = None
isowner = None
if not disabled:
@inlineCallbacks
def doResponse():
# Special for addressbooks
if collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if self.isDirectoryBackedAddressBookCollection():
result = (yield doDirectoryAddressBookResponse())
returnValue(result)
# Verify that requested resources are immediate children of the request-URI
valid_names = []
for href in resources:
resource_uri = str(href)
name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if not self._isChildURI(request, resource_uri):
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.BAD_REQUEST)))
else:
valid_names.append(name)
if not valid_names:
returnValue(None)
# Now determine which valid resources are readable and which are not
ok_resources = []
bad_resources = []
missing_resources = []
unavailable_resources = []
yield self.findChildrenFaster(
"1",
request,
lambda x, y: ok_resources.append((x, y)),
lambda x, y: bad_resources.append((x, y)),
lambda x: missing_resources.append(x),
lambda x: unavailable_resources.append(x),
valid_names, (davxml.Read(), ),
inherited_aces=filteredaces)
# Get properties for all valid readable resources
for resource, href in ok_resources:
try:
yield report_common.responseForHref(
request,
responses,
davxml.HRef.fromString(href),
resource,
propertiesForResource,
propertyreq,
isowner=isowner)
except ValueError:
log.error(
"Invalid calendar resource during multiget: {href}",
href=href)
responses.append(
davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
except ConcurrentModification:
# This can happen because of a race-condition between the
# time we determine which resources exist and the deletion
# of one of these resources in another request. In this
# case, return a 404 for the now missing resource rather
# than raise an error for the entire report.
log.error("Missing resource during multiget: {href}",
href=href)
responses.append(
davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
# Indicate error for all valid non-readable resources
for ignore_resource, href in bad_resources:
responses.append(
davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
# Indicate error for all missing/unavailable resources
for href in missing_resources:
responses.append(
davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
for href in unavailable_resources:
responses.append(
davxml.StatusResponse(
davxml.HRef.fromString(href),
davxml.Status.fromResponseCode(
responsecode.SERVICE_UNAVAILABLE)))
@inlineCallbacks
def doDirectoryAddressBookResponse():
directoryAddressBookLock = None
try:
# Verify that requested resources are immediate children of the request-URI
# and get vCardFilters ;similar to "normal" case below but do not call getChild()
vCardFilters = []
valid_hrefs = []
for href in resources:
resource_uri = str(href)
resource_name = unquote(
resource_uri[resource_uri.rfind("/") + 1:])
if self._isChildURI(
request, resource_uri) and resource_name.endswith(
".vcf") and len(resource_name) > 4:
valid_hrefs.append(href)
textMatchElement = carddavxml.TextMatch.fromString(
resource_name[:-4])
textMatchElement.attributes[
"match-type"] = "equals" # do equals compare. Default is "contains"
vCardFilters.append(
carddavxml.PropertyFilter(
textMatchElement,
name="UID", # attributes
))
else:
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
# exit if not valid
if not vCardFilters or not valid_hrefs:
returnValue(None)
addressBookFilter = carddavxml.Filter(*vCardFilters)
addressBookFilter = Filter(addressBookFilter)
# get vCards and filter
limit = config.DirectoryAddressBook.MaxQueryResults
results, limited = (yield self.doAddressBookDirectoryQuery(
addressBookFilter, propertyreq, limit, defaultKind=None))
if limited:
log.error("Too many results in multiget report: {count}",
count=len(resources))
raise HTTPError(
ErrorResponse(
responsecode.FORBIDDEN,
(dav_namespace, "number-of-matches-within-limits"),
"Too many results",
))
for href in valid_hrefs:
matchingResource = None
for vCardResource in results:
if href == vCardResource.hRef(
): # might need to compare urls instead - also case sens ok?
matchingResource = vCardResource
break
if matchingResource:
yield report_common.responseForHref(
request,
responses,
href,
matchingResource,
propertiesForResource,
propertyreq,
vcard=matchingResource.vCard())
else:
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
finally:
if directoryAddressBookLock:
yield directoryAddressBookLock.release()
if requestURIis == "calendar" or requestURIis == "addressbook":
yield doResponse()
else:
for href in resources:
resource_uri = str(href)
# Do href checks
if requestURIis == "calendar":
pass
elif requestURIis == "addressbook":
pass
# TODO: we can optimize this one in a similar manner to the calendar case
elif requestURIis == "collection":
name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if not self._isChildURI(request, resource_uri, False):
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
continue
child = (yield request.locateResource(resource_uri))
if not child or not child.exists():
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
continue
parent = (yield child.locateParent(request, resource_uri))
if collection_type == COLLECTION_TYPE_CALENDAR:
if not parent.isCalendarCollection() or not (
yield parent.resourceExists(name)):
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
continue
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if not parent.isAddressBookCollection() or not (
yield parent.resourceExists(name)):
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
continue
# Check privileges on parent - must have at least DAV:read
try:
yield parent.checkPrivileges(request,
(davxml.Read(), ))
except AccessDeniedError:
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
continue
# Cache the last parent's inherited aces for checkPrivileges optimization
if lastParent != parent:
lastParent = parent
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (
yield parent.inheritedACEsforChildren(request))
# Check private events access status
isowner = (yield parent.isOwner(request))
else:
name = unquote(resource_uri[resource_uri.rfind("/") + 1:])
if (resource_uri != request.uri) or not self.exists():
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.NOT_FOUND)))
continue
parent = (yield self.locateParent(request, resource_uri))
if collection_type == COLLECTION_TYPE_CALENDAR:
if not parent.isPseudoCalendarCollection() or not (
yield parent.resourceExists(name)):
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
continue
elif collection_type == COLLECTION_TYPE_ADDRESSBOOK:
if not parent.isAddressBookCollection() or not (
yield parent.resourceExists(name)):
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
continue
child = self
# Do some optimisation of access control calculation by determining any inherited ACLs outside of
# the child resource loop and supply those to the checkPrivileges on each child.
filteredaces = (yield
parent.inheritedACEsforChildren(request))
# Check private events access status
isowner = (yield parent.isOwner(request))
# Check privileges - must have at least DAV:read
try:
yield child.checkPrivileges(request, (davxml.Read(), ),
inherited_aces=filteredaces)
except AccessDeniedError:
responses.append(
davxml.StatusResponse(
href,
davxml.Status.fromResponseCode(
responsecode.FORBIDDEN)))
continue
yield report_common.responseForHref(request,
responses,
href,
child,
propertiesForResource,
propertyreq,
isowner=isowner)
returnValue(MultiStatusResponse(responses))
