/usr/share/caldavtester/verifiers/postFreeBusy.py is in caldav-tester 7.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2006-2015 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
"""
Verifier that checks the response of a free-busy-query.
"""
from pycalendar.icalendar.calendar import Calendar
from pycalendar.exceptions import InvalidData
from xml.etree.cElementTree import ElementTree
from xml.parsers.expat import ExpatError
import StringIO
class Verifier(object):
def verify(self, manager, uri, response, respdata, args): #@UnusedVariable
# Must have status 200
if response.status != 200:
return False, " HTTP Status Code Wrong: %d" % (response.status,)
# Get expected FREEBUSY info
users = args.get("attendee", [])
busy = args.get("busy", [])
tentative = args.get("tentative", [])
unavailable = args.get("unavailable", [])
# Extract each calendar-data object
try:
tree = ElementTree(file=StringIO.StringIO(respdata))
except ExpatError:
return False, " Could not parse proper XML response\n"
for calendar in tree.findall("./{urn:ietf:params:xml:ns:caldav}response/{urn:ietf:params:xml:ns:caldav}calendar-data"):
# Parse data as calendar object
try:
calendar = Calendar.parseText(calendar.text)
# Check for calendar
if calendar is None:
raise ValueError("Not a calendar: %s" % (calendar,))
# Only one component
comps = calendar.getComponents("VFREEBUSY")
if len(comps) != 1:
raise ValueError("Wrong number or unexpected components in calendar")
# Must be VFREEBUSY
fb = comps[0]
# Check for attendee value
for attendee in fb.getProperties("ATTENDEE"):
if attendee.getValue().getValue() in users:
users.remove(attendee.getValue().getValue())
break
else:
continue
# Extract periods
busyp = []
tentativep = []
unavailablep = []
for fp in fb.getProperties("FREEBUSY"):
periods = fp.getValue().getValues()
# Convert start/duration to start/end
for i in range(len(periods)):
periods[i].getValue().setUseDuration(False)
# Check param
fbtype = "BUSY"
if fp.hasParameter("FBTYPE"):
fbtype = fp.getParameterValue("FBTYPE")
if fbtype == "BUSY":
busyp.extend(periods)
elif fbtype == "BUSY-TENTATIVE":
tentativep.extend(periods)
elif fbtype == "BUSY-UNAVAILABLE":
unavailablep.extend(periods)
else:
raise ValueError("Unknown FBTYPE: %s" % (fbtype,))
# Set sizes must match
if (
(len(busy) != len(busyp)) or
(len(unavailable) != len(unavailablep)) or
(len(tentative) != len(tentativep))
):
raise ValueError("Period list sizes do not match.")
# Convert to string sets
busy = set(busy)
busyp = [x.getValue().getText() for x in busyp]
busyp = set(busyp)
tentative = set(tentative)
tentativep = [x.getValue().getText() for x in tentativep]
tentativep = set(tentativep)
unavailable = set(unavailable)
unavailablep = [x.getValue().getText() for x in unavailablep]
unavailablep = set(unavailablep)
# Compare all periods
if len(busyp.symmetric_difference(busy)):
raise ValueError("Busy periods do not match")
elif len(tentativep.symmetric_difference(tentative)):
raise ValueError("Busy-tentative periods do not match")
elif len(unavailablep.symmetric_difference(unavailable)):
raise ValueError("Busy-unavailable periods do not match")
break
except InvalidData:
return False, " HTTP response data is not a calendar"
except ValueError, txt:
return False, " HTTP response data is invalid: %s" % (txt,)
if len(users):
return False, " Could not find attendee/calendar data in XML response\n"
return True, ""
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