encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- CtdlLogPrintf(CTDL_CRIT, "Error at %s:%d - could not allocate component!\n",
- __FILE__, __LINE__);
+ CtdlLogPrintf(CTDL_CRIT, "ERROR: could not allocate component!\n");
return NULL;
}
*
* Now both the proposed and existing events have been boiled down to start and end times.
* Check for overlap and output any conflicts.
+ *
+ * Returns nonzero if a conflict was reported. This allows the caller to stop iterating.
*/
-void ical_conflicts_phase6(struct icaltimetype t1start,
+int ical_conflicts_phase6(struct icaltimetype t1start,
struct icaltimetype t1end,
struct icaltimetype t2start,
struct icaltimetype t2end,
char *conflict_event_summary,
char *compare_uid)
{
+ int conflict_reported = 0;
/* debugging cruft */
- // time_t tt;
- // tt = icaltime_as_timet(t1start);
- // CtdlLogPrintf(CTDL_DEBUG, "PROPOSED START: %s", ctime(&tt));
- // tt = icaltime_as_timet(t1end);
- // CtdlLogPrintf(CTDL_DEBUG, " PROPOSED END: %s", ctime(&tt));
- // tt = icaltime_as_timet(t2start);
- // CtdlLogPrintf(CTDL_DEBUG, "EXISTING START: %s", ctime(&tt));
- // tt = icaltime_as_timet(t2end);
- // CtdlLogPrintf(CTDL_DEBUG, " EXISTING END: %s", ctime(&tt));
+ time_t tt;
+ tt = icaltime_as_timet(t1start);
+ CtdlLogPrintf(CTDL_DEBUG, "PROPOSED START: %s", ctime(&tt));
+ tt = icaltime_as_timet(t1end);
+ CtdlLogPrintf(CTDL_DEBUG, " PROPOSED END: %s", ctime(&tt));
+ tt = icaltime_as_timet(t2start);
+ CtdlLogPrintf(CTDL_DEBUG, "EXISTING START: %s", ctime(&tt));
+ tt = icaltime_as_timet(t2end);
+ CtdlLogPrintf(CTDL_DEBUG, " EXISTING END: %s", ctime(&tt));
+ /* debugging cruft */
/* compare and output */
conflict_event_uid))) ? 1 : 0
)
);
+ conflict_reported = 1;
}
+ return(conflict_reported);
}
strcpy(conflict_event_summary, icalproperty_get_comment(p));
}
- ical_conflicts_phase6(t1start, t1end, t2start, t2end,
- existing_msgnum, conflict_event_uid, conflict_event_summary, compare_uid
- );
+ if (ical_conflicts_phase6(t1start, t1end, t2start, t2end,
+ existing_msgnum, conflict_event_uid, conflict_event_summary, compare_uid))
+ {
+ CtdlLogPrintf(CTDL_DEBUG, "Hit a conflict after %d iterations\n", num_recur);
+ num_recur = MAX_RECUR + 1; /* force it out of scope */
+ }
if (rrule) {
t2start = icalrecur_iterator_next(ritr);
++num_recur;
}
+ if (icaltime_compare(t2start, t1end) < 0) {
+ CtdlLogPrintf(CTDL_DEBUG, "Went out of scope after %d iterations\n", num_recur);
+ num_recur = MAX_RECUR + 1; /* force it out of scope */
+ }
+
} while ( (rrule) && (!icaltime_is_null_time(t2start)) && (num_recur < MAX_RECUR) );
icalrecur_iterator_free(ritr);
if (num_recur > 0) CtdlLogPrintf(CTDL_DEBUG, "Iterated over existing event %d times.\n", num_recur);
for (c = icalcomponent_get_first_component(ird.cal, ICAL_ANY_COMPONENT);
(c != NULL);
c = icalcomponent_get_next_component(ird.cal, ICAL_ANY_COMPONENT)) {
- icalcomponent_add_component(encaps, icalcomponent_new_clone(c));
+
+ /* For VTIMEZONE components, suppress duplicates of the same tzid */
+
+ if (icalcomponent_isa(c) == ICAL_VTIMEZONE_COMPONENT) {
+ icalproperty *p = icalcomponent_get_first_property(c, ICAL_TZID_PROPERTY);
+ if (p) {
+ const char *tzid = icalproperty_get_tzid(p);
+ if (!icalcomponent_get_timezone(encaps, tzid)) {
+ icalcomponent_add_component(encaps,
+ icalcomponent_new_clone(c));
+ }
+ }
+ }
+
+ /* All other types of components can go in verbatim */
+ else {
+ icalcomponent_add_component(encaps, icalcomponent_new_clone(c));
+ }
}
icalcomponent_free(ird.cal);
}
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- CtdlLogPrintf(CTDL_DEBUG, "Error at %s:%d - could not allocate component!\n",
- __FILE__, __LINE__);
+ CtdlLogPrintf(CTDL_DEBUG, "ERROR: could not allocate component!\n");
cprintf("%d Could not allocate memory\n", ERROR+INTERNAL_ERROR);
return;
}
);
ser = icalcomponent_as_ical_string_r(encaps);
+ icalcomponent_free(encaps); /* Don't need this anymore. */
client_write(ser, strlen(ser));
free(ser);
cprintf("\n000\n");
- icalcomponent_free(encaps); /* Don't need this anymore. */
+}
+
+/*
+ * Helper callback function for ical_putics() to discover which TZID's we need.
+ * Simply put the tzid name string into a hash table. After the callbacks are
+ * done we'll go through them and attach the ones that we have.
+ */
+void ical_putics_grabtzids(icalparameter *param, void *data)
+{
+ const char *tzid = icalparameter_get_tzid(param);
+ HashList *keys = (HashList *) data;
+
+ if ( (keys) && (tzid) && (!IsEmptyStr(tzid)) ) {
+ Put(keys, tzid, strlen(tzid), strdup(tzid), generic_free_handler);
+ }
}
char *calstream = NULL;
icalcomponent *cal;
icalcomponent *c;
+ icalcomponent *encaps = NULL;
+ HashList *tzidlist = NULL;
+ HashPos *HashPos;
+ void *Value;
+ const char *Key;
+ long len;
+ /* Only allow this operation if we're in a room containing a calendar or tasks view */
if ( (CC->room.QRdefaultview != VIEW_CALENDAR)
&&(CC->room.QRdefaultview != VIEW_TASKS) ) {
cprintf("%d Not a calendar room\n", ERROR+NOT_HERE);
- return; /* Not an iCalendar-centric room */
+ return;
}
+ /* Only allow this operation if we have permission to overwrite the existing calendar */
if (!CtdlDoIHavePermissionToDeleteMessagesFromThisRoom()) {
cprintf("%d Permission denied.\n", ERROR+HIGHER_ACCESS_REQUIRED);
return;
/* We got our data stream -- now do something with it. */
- /* Delete the existing messages in the room, because we are replacing
+ /* Delete the existing messages in the room, because we are overwriting
* the entire calendar with an entire new (or updated) calendar.
* (Careful: this opens an S_ROOMS critical section!)
*/
for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
(c != NULL);
c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
- ical_write_to_cal(NULL, c);
+
+ /* Non-VTIMEZONE components each get written as individual messages.
+ * But we also need to attach the relevant VTIMEZONE components to them.
+ */
+ if ( (icalcomponent_isa(c) != ICAL_VTIMEZONE_COMPONENT)
+ && (encaps = icalcomponent_new_vcalendar()) ) {
+ icalcomponent_add_property(encaps, icalproperty_new_prodid(PRODID));
+ icalcomponent_add_property(encaps, icalproperty_new_version("2.0"));
+ icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
+
+ /* Attach any needed timezones here */
+ tzidlist = NewHash(1, NULL);
+ if (tzidlist) {
+ icalcomponent_foreach_tzid(c, ical_putics_grabtzids, tzidlist);
+ }
+ HashPos = GetNewHashPos(tzidlist, 0);
+
+ while (GetNextHashPos(tzidlist, HashPos, &len, &Key, &Value)) {
+ CtdlLogPrintf(CTDL_DEBUG, "Attaching timezone '%s'\n", Value);
+ icaltimezone *t = NULL;
+
+ /* First look for a timezone attached to the original calendar */
+ t = icalcomponent_get_timezone(cal, Value);
+
+ /* Try built-in tzdata if the right one wasn't attached */
+ if (!t) {
+ t = icaltimezone_get_builtin_timezone(Value);
+ }
+
+ /* I've got a valid timezone to attach. */
+ if (t) {
+ icalcomponent_add_component(encaps,
+ icalcomponent_new_clone(
+ icaltimezone_get_component(t)
+ )
+ );
+ }
+
+ }
+ DeleteHashPos(&HashPos);
+ DeleteHash(&tzidlist);
+
+ /* Now attach the component itself (usually a VEVENT or VTODO) */
+ icalcomponent_add_component(encaps, icalcomponent_new_clone(c));
+
+ /* Write it to the message store */
+ ical_write_to_cal(NULL, encaps);
+ icalcomponent_free(encaps);
+ }
}
}
/*
- * ical_send_out_invitations() is called by ical_saving_vevent() when it
- * finds a VEVENT.
+ * ical_send_out_invitations() is called by ical_saving_vevent() when it finds a VEVENT.
+ *
+ * top_level_cal is the highest available level calendar object.
+ * cal is the subcomponent containing the VEVENT.
+ *
+ * Note: if you change the encapsulation code here, change it in WebCit's ical_encapsulate_subcomponent()
*/
-void ical_send_out_invitations(icalcomponent *cal) {
+void ical_send_out_invitations(icalcomponent *top_level_cal, icalcomponent *cal) {
icalcomponent *the_request = NULL;
char *serialized_request = NULL;
icalcomponent *encaps = NULL;
char summary_string[SIZ];
icalproperty *summary = NULL;
size_t reqsize;
+ icalproperty *p;
+ struct icaltimetype t;
+ icaltimezone *attached_zones[5] = { NULL, NULL, NULL, NULL, NULL };
+ int i;
+ icaltimezone *z;
+ int num_zones_attached = 0;
+ int zone_already_attached;
if (cal == NULL) {
CtdlLogPrintf(CTDL_ERR, "ERROR: trying to reply to NULL event?\n");
/* If this is a VCALENDAR component, look for a VEVENT subcomponent. */
if (icalcomponent_isa(cal) == ICAL_VCALENDAR_COMPONENT) {
- ical_send_out_invitations(
+ ical_send_out_invitations(top_level_cal,
icalcomponent_get_first_component(
cal, ICAL_VEVENT_COMPONENT
)
/* Encapsulate the VEVENT component into a complete VCALENDAR */
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- CtdlLogPrintf(CTDL_DEBUG, "Error at %s:%d - could not allocate component!\n",
- __FILE__, __LINE__);
+ CtdlLogPrintf(CTDL_DEBUG, "ERROR: could not allocate component!\n");
icalcomponent_free(the_request);
return;
}
/* Set the method to REQUEST */
icalcomponent_set_method(encaps, ICAL_METHOD_REQUEST);
- /* Here we go: put the VEVENT into the VCALENDAR. We now no longer
+ /* Look for properties containing timezone parameters, to see if we need to attach VTIMEZONEs */
+ for (p = icalcomponent_get_first_property(the_request, ICAL_ANY_PROPERTY);
+ p != NULL;
+ p = icalcomponent_get_next_property(the_request, ICAL_ANY_PROPERTY))
+ {
+ if ( (icalproperty_isa(p) == ICAL_COMPLETED_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_CREATED_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DATEMAX_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DATEMIN_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DTEND_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DTSTAMP_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DTSTART_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DUE_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_EXDATE_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_LASTMODIFIED_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_MAXDATE_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_MINDATE_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_RECURRENCEID_PROPERTY)
+ ) {
+ t = icalproperty_get_dtstart(p); // it's safe to use dtstart for all of them
+ CtdlLogPrintf(CTDL_DEBUG, "Found an icaltimetype: %s\n",
+ icaltime_as_ical_string(t)
+ );
+
+ /* First see if there's a timezone attached to the data structure itself */
+ if (icaltime_is_utc(t)) {
+ z = icaltimezone_get_utc_timezone();
+ }
+ else {
+ z = icaltime_get_timezone(t);
+ }
+ if (z) CtdlLogPrintf(CTDL_DEBUG, "Timezone is present in data structure\n");
+
+ /* If not, try to determine the tzid from the parameter using attached zones */
+ if (!z) {
+ z = icalcomponent_get_timezone(top_level_cal,
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (z) CtdlLogPrintf(CTDL_DEBUG, "Timezone was found in attached zones\n");
+ }
+
+ /* Still no good? Try our internal database */
+ if (!z) {
+ z = icaltimezone_get_builtin_timezone_from_tzid(
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (z) CtdlLogPrintf(CTDL_DEBUG, "Timezone was found in internal db\n");
+ }
+
+ if (z) {
+ CtdlLogPrintf(CTDL_DEBUG, "Have valid timezone, need to attach it.\n");
+
+ zone_already_attached = 0;
+ for (i=0; i<5; ++i) {
+ if (z == attached_zones[i]) {
+ ++zone_already_attached;
+ CtdlLogPrintf(CTDL_DEBUG, "zone already attached!!\n");
+ }
+ }
+ if ((!zone_already_attached) && (num_zones_attached < 5)) {
+ CtdlLogPrintf(CTDL_DEBUG, "attach zone %d\n", num_zones_attached);
+ attached_zones[num_zones_attached++] = z;
+ }
+
+ icalproperty_set_parameter(p,
+ icalparameter_new_tzid(icaltimezone_get_tzid(z))
+ );
+ }
+ }
+ }
+
+ /* Encapsulate any timezones we need */
+ if (num_zones_attached > 0) for (i=0; i<num_zones_attached; ++i) {
+ icalcomponent *zc;
+ zc = icalcomponent_new_clone(icaltimezone_get_component(attached_zones[i]));
+ icalcomponent_add_component(encaps, zc);
+ }
+
+ /* Here we go: encapsulate the VEVENT into the VCALENDAR. We now no longer
* are responsible for "the_request"'s memory -- it will be freed
* when we free "encaps".
*/
icalcomponent_free(encaps); /* Don't need this anymore. */
if (serialized_request == NULL) return;
+ CtdlLogPrintf(CTDL_DEBUG, "SENDING INVITATIONS:\n%s\n", serialized_request);
+
reqsize = strlen(serialized_request) + SIZ;
request_message_text = malloc(reqsize);
if (request_message_text != NULL) {
* and the user saving it is the organizer. If so, send out invitations
* to any listed attendees.
*
+ * This function is recursive. The caller can simply supply the same object
+ * as both arguments. When it recurses it will alter the second argument
+ * while holding on to the top level object. This allows us to go back and
+ * grab things like time zones which might be attached.
+ *
*/
-void ical_saving_vevent(icalcomponent *cal) {
+void ical_saving_vevent(icalcomponent *top_level_cal, icalcomponent *cal) {
icalcomponent *c;
icalproperty *organizer = NULL;
char organizer_string[SIZ];
* organizer, then send out invitations.
*/
if (CtdlIsMe(organizer_string, sizeof organizer_string)) {
- ical_send_out_invitations(cal);
+ ical_send_out_invitations(top_level_cal, cal);
}
}
}
(c != NULL);
c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
/* Recursively process subcomponent */
- ical_saving_vevent(c);
+ ical_saving_vevent(top_level_cal, c);
}
}
|| (!strcasecmp(cbtype, "application/ics")) ) {
cal = icalcomponent_new_from_string(content);
if (cal != NULL) {
- ical_saving_vevent(cal);
+ ical_saving_vevent(cal, cal);
icalcomponent_free(cal);
}
}
/* return our Subversion id for the Log */
return "$Id$";
}
-
projects / citadel.git / blobdiff