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caldav: fix match on open time ranges

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Matches on open time ranges (i.e. no end date) were not properly
handled, as `end` is simply the zero time, which confuses the
`.Before()` and `.After()` logic employed here.

This commit fixes that by adding the appropriate `.IsZero()` checks and
also adds a test case.

The current behavior unfortunately broke compatibility with DAVx5, which
by default queries only events less than 90 days ago (by using an open
time range).
This commit is contained in:
Conrad Hoffmann 2024-02-01 14:05:49 +01:00 committed by Simon Ser
parent ced348a58f
commit 5b5b542f2f
2 changed files with 21 additions and 7 deletions
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11
caldav/match.go
View File

@ -138,7 +138,6 @@ func matchCompTimeRange(start, end time.Time, comp *ical.Component) (bool, error
return len(rset.Between(start, end, true)) > 0, nil
}
// TODO handle "infinity" values in query
// TODO handle more than just events
if comp.Name != ical.CompEvent {
return false, nil
@ -155,15 +154,15 @@ func matchCompTimeRange(start, end time.Time, comp *ical.Component) (bool, error
}
// Event starts in time range
if eventStart.After(start) && eventStart.Before(end) {
if eventStart.After(start) && (end.IsZero() || eventStart.Before(end)) {
return true, nil
}
// Event ends in time range
if eventEnd.After(start) && eventEnd.Before(end) {
if eventEnd.After(start) && (end.IsZero() || eventEnd.Before(end)) {
return true, nil
}
// Event covers entire time range plus some
if eventStart.Before(start) && eventEnd.After(end) {
if eventStart.Before(start) && (!end.IsZero() && eventEnd.After(end)) {
return true, nil
}
return false, nil
@ -172,13 +171,11 @@ func matchCompTimeRange(start, end time.Time, comp *ical.Component) (bool, error
func matchPropTimeRange(start, end time.Time, field *ical.Prop) (bool, error) {
// See https://datatracker.ietf.org/doc/html/rfc4791#section-9.9
// TODO handle "infinity" values in query
ptime, err := field.DateTime(start.Location())
if err != nil {
return false, err
}
if ptime.After(start) && ptime.Before(end) {
if ptime.After(start) && (end.IsZero() || ptime.Before(end)) {
return true, nil
}
return false, nil

17
caldav/match_test.go
View File

@ -209,6 +209,23 @@ END:VCALENDAR`)
addrs: []CalendarObject{event1, event2, event3, todo1},
want: []CalendarObject{event2, event3},
},
{
// https://datatracker.ietf.org/doc/html/rfc4791#section-7.8.1
name: "events in open time range (no end date)",
query: &CalendarQuery{
CompFilter: CompFilter{
Name: "VCALENDAR",
Comps: []CompFilter{
CompFilter{
Name: "VEVENT",
Start: toDate(t, "20060104T000000Z"),
},
},
},
},
addrs: []CalendarObject{event1, event2, event3, todo1},
want: []CalendarObject{event2, event3},
},
{
// https://datatracker.ietf.org/doc/html/rfc4791#section-7.8.6
name: "events by UID",