[CalendarServer-changes] [5860] CalendarServer/branches/users/wsanchez/deployment-pre-partition/ twistedcaldav

[source_changes at macosforge.org]

Revision: 5860
          http://trac.macosforge.org/projects/calendarserver/changeset/5860
Author:   cdaboo at apple.com
Date:     2010-07-07 18:25:29 -0700 (Wed, 07 Jul 2010)
Log Message:
-----------
Allow configurable limit on number of freebusy attendees in one request.

Modified Paths:
--------------
    CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/config.py
    CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/schedule.py

Modified: CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/config.py
===================================================================
--- CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/config.py	2010-07-08 01:23:52 UTC (rev 5859)
+++ CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/config.py	2010-07-08 01:25:29 UTC (rev 5860)
@@ -278,7 +278,8 @@
     "IdleConnectionTimeOut": 15,
     "UIDReservationTimeOut": 30 * 60,
 
-    "MaxAllowedInstances": 3000,
+    "MaxAllowedInstances":    3000,
+    "LimitFreeBusyAttendees": 30,
 
     #
     # Localization

Modified: CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/schedule.py
===================================================================
--- CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/schedule.py	2010-07-08 01:23:52 UTC (rev 5859)
+++ CalendarServer/branches/users/wsanchez/deployment-pre-partition/twistedcaldav/schedule.py	2010-07-08 01:25:29 UTC (rev 5860)
@@ -442,7 +442,7 @@
     
         # Loop over each recipient and do appropriate action.
         autoresponses = []
-        for recipient in recipients:
+        for ctr, recipient in enumerate(recipients):
 
             # Yield to the reactor once through each loop if more than one attendee
             if len(recipients) > 1:
@@ -490,6 +490,14 @@
     
                 # Different behaviour for free-busy vs regular invite
                 if freebusy:
+
+                    # Check for freebusy limit
+                    if ctr >= config.LimitFreeBusyAttendees:
+                        err = HTTPError(ErrorResponse(responsecode.NOT_FOUND, (caldav_namespace, "recipient-limit")))
+                        responses.add(recipient, Failure(exc_value=err), reqstatus="5.3;No scheduling support for user")
+                        recipientsState["BAD"] += 1
+                        continue
+
                     # Extract the ATTENDEE property matching current recipient from the calendar data
                     cuas = principal.calendarUserAddresses()
                     attendeeProp = calendar.getAttendeeProperty(cuas)
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