#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
+#include <libical/ical.h>
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "citserver.h"
#include "config.h"
#include "user_ops.h"
#include "room_ops.h"
-#include "tools.h"
#include "msgbase.h"
-#include "mime_parser.h"
#include "internet_addressing.h"
#include "serv_calendar.h"
#include "euidindex.h"
#include "ctdl_module.h"
-
-#ifdef CITADEL_WITH_CALENDAR_SERVICE
-
-#include <ical.h>
#include "ical_dezonify.h"
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- lprintf(CTDL_CRIT, "Error at %s:%d - could not allocate component!\n",
- __FILE__, __LINE__);
+ CtdlLogPrintf(CTDL_CRIT, "ERROR: could not allocate component!\n");
return NULL;
}
/* Encapsulate the subcomponent inside */
icalcomponent_add_component(encaps, subcomp);
- /* Convert all timestamps to UTC so we don't have to deal with
- * stupid VTIMEZONE crap.
- */
- ical_dezonify(encaps);
-
/* Return the object we just created. */
return(encaps);
}
* to the currently selected room.
*/
void ical_write_to_cal(struct ctdluser *u, icalcomponent *cal) {
- char temp[PATH_MAX];
- FILE *fp = NULL;
char *ser = NULL;
icalcomponent *encaps = NULL;
struct CtdlMessage *msg = NULL;
+ icalcomponent *tmp=NULL;
if (cal == NULL) return;
* a full VCALENDAR component, and save that instead.
*/
if (icalcomponent_isa(cal) != ICAL_VCALENDAR_COMPONENT) {
- encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(cal));
+ tmp = icalcomponent_new_clone(cal);
+ encaps = ical_encapsulate_subcomponent(tmp);
ical_write_to_cal(u, encaps);
+ icalcomponent_free(tmp);
icalcomponent_free(encaps);
return;
}
- ser = icalcomponent_as_ical_string(cal);
+ ser = icalcomponent_as_ical_string_r(cal);
if (ser == NULL) return;
/* If the caller supplied a user, write to that user's default calendar room */
if (u) {
- /* Make a temp file out of it */
- CtdlMakeTempFileName(temp, sizeof temp);
- fp = fopen(temp, "w");
- if (fp != NULL) {
- fwrite(ser, strlen(ser), 1, fp);
- fclose(fp);
-
- /* This handy API function does all the work for us. */
- CtdlWriteObject(USERCALENDARROOM, /* which room */
- "text/calendar", /* MIME type */
- temp, /* temp file */
- u, /* which user */
- 0, /* not binary */
- 0, /* don't delete others of this type */
- 0 /* no flags */
- );
- unlink(temp);
- }
+ /* This handy API function does all the work for us. */
+ CtdlWriteObject(USERCALENDARROOM, /* which room */
+ "text/calendar", /* MIME type */
+ ser, /* data */
+ strlen(ser)+1, /* length */
+ u, /* which user */
+ 0, /* not binary */
+ 0, /* don't delete others of this type */
+ 0 /* no flags */
+ );
}
/* If the caller did not supply a user, write to the currently selected room */
strcat(msg->cm_fields['M'], ser);
/* Now write the data */
- CtdlSubmitMsg(msg, NULL, "");
+ CtdlSubmitMsg(msg, NULL, "", QP_EADDR);
CtdlFreeMessage(msg);
}
}
-/*
- * Add a calendar object to the user's calendar
- *
- * ok because it uses ical_write_to_cal()
- */
-void ical_add(icalcomponent *cal, int recursion_level) {
- icalcomponent *c;
-
- /*
- * The VEVENT subcomponent is the one we're interested in saving.
- */
- if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
-
- ical_write_to_cal(&CC->user, cal);
-
- }
-
- /* If the component has subcomponents, recurse through them. */
- for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
- (c != 0);
- c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
- /* Recursively process subcomponent */
- ical_add(c, recursion_level+1);
- }
-
-}
-
-
-
/*
* Send a reply to a meeting invitation.
*
strcpy(summary_string, "Calendar item");
if (request == NULL) {
- lprintf(CTDL_ERR, "ERROR: trying to reply to NULL event?\n");
+ CtdlLogPrintf(CTDL_ERR, "ERROR: trying to reply to NULL event?\n");
return;
}
the_reply = icalcomponent_new_clone(request);
if (the_reply == NULL) {
- lprintf(CTDL_ERR, "ERROR: cannot clone request\n");
+ CtdlLogPrintf(CTDL_ERR, "ERROR: cannot clone request\n");
return;
}
if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
strcpy(attendee_string, &attendee_string[7]);
striplt(attendee_string);
- recp = validate_recipients(attendee_string);
+ recp = validate_recipients(attendee_string, NULL, 0);
if (recp != NULL) {
if (!strcasecmp(recp->recp_local, CC->user.fullname)) {
if (me_attend) icalproperty_free(me_attend);
}
/* Now generate the reply message and send it out. */
- serialized_reply = strdup(icalcomponent_as_ical_string(the_reply));
+ serialized_reply = icalcomponent_as_ical_string_r(the_reply);
icalcomponent_free(the_reply); /* don't need this anymore */
if (serialized_reply == NULL) return;
reply_message_text = malloc(strlen(serialized_reply) + SIZ);
if (reply_message_text != NULL) {
sprintf(reply_message_text,
- "Content-type: text/calendar charset=\"utf-8\"\r\n\r\n%s\r\n",
+ "Content-type: text/calendar; charset=\"utf-8\"\r\n\r\n%s\r\n",
serialized_reply
);
"",
summary_string, /* Use summary for subject */
NULL,
- reply_message_text);
+ reply_message_text,
+ NULL);
if (msg != NULL) {
- valid = validate_recipients(organizer_string);
- CtdlSubmitMsg(msg, valid, "");
+ valid = validate_recipients(organizer_string, NULL, 0);
+ CtdlSubmitMsg(msg, valid, "", QP_EADDR);
CtdlFreeMessage(msg);
free_recipients(valid);
}
/*
* Callback function for mime parser that hunts for calendar content types
- * and turns them into calendar objects
+ * and turns them into calendar objects. If something is found, it is placed
+ * in ird->cal, and the caller now owns that memory and is responsible for freeing it.
*/
void ical_locate_part(char *name, char *filename, char *partnum, char *disp,
void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
- void *cbuserdata) {
+ char *cbid, void *cbuserdata) {
struct ical_respond_data *ird = NULL;
}
}
- if (strcasecmp(cbtype, "text/calendar")) {
+ if ( (strcasecmp(cbtype, "text/calendar"))
+ && (strcasecmp(cbtype, "application/ics")) ) {
return;
}
}
ird->cal = icalcomponent_new_from_string(content);
- if (ird->cal != NULL) {
- ical_dezonify(ird->cal);
- }
}
if (ird.cal != NULL) {
/* Save this in the user's calendar if necessary */
if (!strcasecmp(action, "accept")) {
- ical_add(ird.cal, 0);
+ ical_write_to_cal(&CC->user, ird.cal);
}
/* Send a reply if necessary */
ical_send_a_reply(ird.cal, action);
}
- /* Now that we've processed this message, we don't need it
- * anymore. So delete it. (NOTE we don't do this anymore.)
- CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "");
+ /* We used to delete the invitation after handling it.
+ * We don't do that anymore, but here is the code that handled it:
+ * CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "");
*/
/* Free the memory we allocated and return a response. */
*/
void ical_locate_original_event(char *name, char *filename, char *partnum, char *disp,
void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
- void *cbuserdata) {
+ char *cbid, void *cbuserdata) {
struct original_event_container *oec = NULL;
- if (strcasecmp(cbtype, "text/calendar")) {
+ if ( (strcasecmp(cbtype, "text/calendar"))
+ && (strcasecmp(cbtype, "application/ics")) ) {
return;
}
oec = (struct original_event_container *) cbuserdata;
/* Figure out just what event it is we're dealing with */
strcpy(uid, "--==<< InVaLiD uId >>==--");
ical_learn_uid_of_reply(uid, cal);
- lprintf(CTDL_DEBUG, "UID of event being replied to is <%s>\n", uid);
+ CtdlLogPrintf(CTDL_DEBUG, "UID of event being replied to is <%s>\n", uid);
strcpy(hold_rm, CC->room.QRname); /* save current room */
if (getroom(&CC->room, USERCALENDARROOM) != 0) {
getroom(&CC->room, hold_rm);
- lprintf(CTDL_CRIT, "cannot get user calendar room\n");
+ CtdlLogPrintf(CTDL_CRIT, "cannot get user calendar room\n");
return(2);
}
/*
* Look in the EUID index for a message with
* the Citadel EUID set to the value we're looking for. Since
- * Citadel always sets the message EUID to the vCalendar UID of
+ * Citadel always sets the message EUID to the iCalendar UID of
* the event, this will work.
*/
msgnum_being_replaced = locate_message_by_euid(uid, &CC->room);
getroom(&CC->room, hold_rm); /* return to saved room */
- lprintf(CTDL_DEBUG, "msgnum_being_replaced == %ld\n", msgnum_being_replaced);
+ CtdlLogPrintf(CTDL_DEBUG, "msgnum_being_replaced == %ld\n", msgnum_being_replaced);
if (msgnum_being_replaced == 0) {
return(1); /* no calendar event found */
}
original_event = oec.c;
if (original_event == NULL) {
- lprintf(CTDL_ERR, "ERROR: Original_component is NULL.\n");
+ CtdlLogPrintf(CTDL_ERR, "ERROR: Original_component is NULL.\n");
return(2);
}
ical_merge_attendee_reply(original_event, cal);
/* Serialize it */
- serialized_event = strdup(icalcomponent_as_ical_string(original_event));
+ serialized_event = icalcomponent_as_ical_string_r(original_event);
icalcomponent_free(original_event); /* Don't need this anymore. */
if (serialized_event == NULL) return(2);
message_text = malloc(strlen(serialized_event) + SIZ);
if (message_text != NULL) {
sprintf(message_text,
- "Content-type: text/calendar charset=\"utf-8\"\r\n\r\n%s\r\n",
+ "Content-type: text/calendar; charset=\"utf-8\"\r\n\r\n%s\r\n",
serialized_event
);
"",
"", /* no subject */
NULL,
- message_text);
+ message_text,
+ NULL);
if (msg != NULL) {
CIT_ICAL->avoid_sending_invitations = 1;
- CtdlSubmitMsg(msg, NULL, roomname);
+ CtdlSubmitMsg(msg, NULL, roomname, QP_EADDR);
CtdlFreeMessage(msg);
CIT_ICAL->avoid_sending_invitations = 0;
}
struct icaltimetype t2start,
struct icaltimetype t2end
) {
-
if (icaltime_is_null_time(t1start)) return(0);
if (icaltime_is_null_time(t2start)) return(0);
- /* First, check for all-day events */
- if (t1start.is_date) {
- if (!icaltime_compare_date_only(t1start, t2start)) {
- return(1);
- }
- if (!icaltime_is_null_time(t2end)) {
- if (!icaltime_compare_date_only(t1start, t2end)) {
- return(1);
- }
+ /* if either event lacks end time, assume end = start */
+ if (icaltime_is_null_time(t1end))
+ memcpy(&t1end, &t1start, sizeof(struct icaltimetype));
+ else {
+ if (t1end.is_date && icaltime_compare(t1start, t1end)) {
+ /*
+ * the end date is non-inclusive so adjust it by one
+ * day because our test is inclusive, note that a day is
+ * not too much because we are talking about all day
+ * events
+ * if start = end we assume that nevertheless the whole
+ * day is meant
+ */
+ icaltime_adjust(&t1end, -1, 0, 0, 0);
}
}
- if (t2start.is_date) {
- if (!icaltime_compare_date_only(t2start, t1start)) {
- return(1);
- }
- if (!icaltime_is_null_time(t1end)) {
- if (!icaltime_compare_date_only(t2start, t1end)) {
- return(1);
- }
+ if (icaltime_is_null_time(t2end))
+ memcpy(&t2end, &t2start, sizeof(struct icaltimetype));
+ else {
+ if (t2end.is_date && icaltime_compare(t2start, t2end)) {
+ icaltime_adjust(&t2end, -1, 0, 0, 0);
}
}
- /* Now check for overlaps using date *and* time. */
+ /* First, check for all-day events */
+ if (t1start.is_date || t2start.is_date) {
+ /* If event 1 ends before event 2 starts, we're in the clear. */
+ if (icaltime_compare_date_only(t1end, t2start) < 0) return(0);
+
+ /* If event 2 ends before event 1 starts, we're also ok. */
+ if (icaltime_compare_date_only(t2end, t1start) < 0) return(0);
+
+ return(1);
+ }
+
+ /* lprintf (9, "Comparing t1start %d:%d t1end %d:%d t2start %d:%d t2end %d:%d \n",
+ t1start.hour, t1start.minute, t1end.hour, t1end.minute,
+ t2start.hour, t2start.minute, t2end.hour, t2end.minute);
+ */
- /* First, bail out if either event 1 or event 2 is missing end time. */
- if (icaltime_is_null_time(t1end)) return(0);
- if (icaltime_is_null_time(t2end)) return(0);
+ /* Now check for overlaps using date *and* time. */
/* If event 1 ends before event 2 starts, we're in the clear. */
if (icaltime_compare(t1end, t2start) <= 0) return(0);
+ /* lprintf(9, "first passed\n"); */
/* If event 2 ends before event 1 starts, we're also ok. */
if (icaltime_compare(t2end, t1start) <= 0) return(0);
+ /* lprintf(9, "second passed\n"); */
/* Otherwise, they overlap. */
return(1);
}
+/*
+ * Phase 6 of "hunt for conflicts"
+ * called by ical_conflicts_phase5()
+ *
+ * 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.
+ */
+int ical_conflicts_phase6(struct icaltimetype t1start,
+ struct icaltimetype t1end,
+ struct icaltimetype t2start,
+ struct icaltimetype t2end,
+ long existing_msgnum,
+ char *conflict_event_uid,
+ char *conflict_event_summary,
+ char *compare_uid)
+{
+ int conflict_reported = 0;
+
+ /* debugging cruft *
+ time_t tt;
+ tt = icaltime_as_timet_with_zone(t1start, t1start.zone);
+ CtdlLogPrintf(CTDL_DEBUG, "PROPOSED START: %s", ctime(&tt));
+ tt = icaltime_as_timet_with_zone(t1end, t1end.zone);
+ CtdlLogPrintf(CTDL_DEBUG, " PROPOSED END: %s", ctime(&tt));
+ tt = icaltime_as_timet_with_zone(t2start, t2start.zone);
+ CtdlLogPrintf(CTDL_DEBUG, "EXISTING START: %s", ctime(&tt));
+ tt = icaltime_as_timet_with_zone(t2end, t2end.zone);
+ CtdlLogPrintf(CTDL_DEBUG, " EXISTING END: %s", ctime(&tt));
+ * debugging cruft */
+
+ /* compare and output */
+
+ if (ical_ctdl_is_overlap(t1start, t1end, t2start, t2end)) {
+ cprintf("%ld||%s|%s|%d|\n",
+ existing_msgnum,
+ conflict_event_uid,
+ conflict_event_summary,
+ ( ((strlen(compare_uid)>0)
+ &&(!strcasecmp(compare_uid,
+ conflict_event_uid))) ? 1 : 0
+ )
+ );
+ conflict_reported = 1;
+ }
+
+ return(conflict_reported);
+}
+
/*
- * Backend for ical_hunt_for_conflicts()
+ * Phase 5 of "hunt for conflicts"
+ * Called by ical_conflicts_phase4()
+ *
+ * We have the proposed event boiled down to start and end times.
+ * Now check it against an existing event.
*/
-void ical_hunt_for_conflicts_backend(long msgnum, void *data) {
- icalcomponent *cal;
- struct CtdlMessage *msg = NULL;
- struct ical_respond_data ird;
- struct icaltimetype t1start, t1end, t2start, t2end;
- icalproperty *p;
+void ical_conflicts_phase5(struct icaltimetype t1start,
+ struct icaltimetype t1end,
+ icalcomponent *existing_event,
+ long existing_msgnum,
+ char *compare_uid)
+{
char conflict_event_uid[SIZ];
char conflict_event_summary[SIZ];
- char compare_uid[SIZ];
+ struct icaltimetype t2start, t2end;
+ icalproperty *p;
- cal = (icalcomponent *)data;
- strcpy(compare_uid, "");
+ /* recur variables */
+ icalproperty *rrule = NULL;
+ struct icalrecurrencetype recur;
+ icalrecur_iterator *ritr = NULL;
+ struct icaldurationtype dur;
+ int num_recur = 0;
+
+ /* initialization */
strcpy(conflict_event_uid, "");
strcpy(conflict_event_summary, "");
+ t2start = icaltime_null_time();
+ t2end = icaltime_null_time();
- msg = CtdlFetchMessage(msgnum, 1);
- if (msg == NULL) return;
- memset(&ird, 0, sizeof ird);
- strcpy(ird.desired_partnum, "_HUNT_");
- mime_parser(msg->cm_fields['M'],
- NULL,
- *ical_locate_part, /* callback function */
- NULL, NULL,
- (void *) &ird, /* user data */
- 0
- );
- CtdlFreeMessage(msg);
+ /* existing event stuff */
+ p = ical_ctdl_get_subprop(existing_event, ICAL_DTSTART_PROPERTY);
+ if (p == NULL) return;
+ if (p != NULL) t2start = icalproperty_get_dtstart(p);
+ if (icaltime_is_utc(t2start)) {
+ t2start.zone = icaltimezone_get_utc_timezone();
+ }
+ else {
+ t2start.zone = icalcomponent_get_timezone(existing_event,
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (!t2start.zone) {
+ t2start.zone = get_default_icaltimezone();
+ }
+ }
- if (ird.cal == NULL) return;
+ p = ical_ctdl_get_subprop(existing_event, ICAL_DTEND_PROPERTY);
+ if (p != NULL) {
+ t2end = icalproperty_get_dtend(p);
+ if (icaltime_is_utc(t2end)) {
+ t2end.zone = icaltimezone_get_utc_timezone();
+ }
+ else {
+ t2end.zone = icalcomponent_get_timezone(existing_event,
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (!t2end.zone) {
+ t2end.zone = get_default_icaltimezone();
+ }
+ }
+ dur = icaltime_subtract(t2end, t2start);
+ }
+
+ rrule = ical_ctdl_get_subprop(existing_event, ICAL_RRULE_PROPERTY);
+ if (rrule) {
+ recur = icalproperty_get_rrule(rrule);
+ ritr = icalrecur_iterator_new(recur, t2start);
+ }
+
+ do {
+ p = ical_ctdl_get_subprop(existing_event, ICAL_UID_PROPERTY);
+ if (p != NULL) {
+ strcpy(conflict_event_uid, icalproperty_get_comment(p));
+ }
+
+ p = ical_ctdl_get_subprop(existing_event, ICAL_SUMMARY_PROPERTY);
+ if (p != NULL) {
+ strcpy(conflict_event_summary, icalproperty_get_comment(p));
+ }
+
+ if (ical_conflicts_phase6(t1start, t1end, t2start, t2end,
+ existing_msgnum, conflict_event_uid, conflict_event_summary, compare_uid))
+ {
+ num_recur = MAX_RECUR + 1; /* force it out of scope, no need to continue */
+ }
+
+ if (rrule) {
+ t2start = icalrecur_iterator_next(ritr);
+ if (!icaltime_is_null_time(t2end)) {
+ const icaltimezone *hold_zone = t2end.zone;
+ t2end = icaltime_add(t2start, dur);
+ t2end.zone = hold_zone;
+ }
+ ++num_recur;
+ }
+
+ if (icaltime_compare(t2start, t1end) < 0) {
+ 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);
+}
+
+
+
+
+/*
+ * Phase 4 of "hunt for conflicts"
+ * Called by ical_hunt_for_conflicts_backend()
+ *
+ * At this point we've got it boiled down to two icalcomponent events in memory.
+ * If they conflict, output something to the client.
+ */
+void ical_conflicts_phase4(icalcomponent *proposed_event,
+ icalcomponent *existing_event,
+ long existing_msgnum)
+{
+ struct icaltimetype t1start, t1end;
t1start = icaltime_null_time();
t1end = icaltime_null_time();
- t2start = icaltime_null_time();
- t1end = icaltime_null_time();
+ icalproperty *p;
+ char compare_uid[SIZ];
- /* Now compare cal to ird.cal */
- p = ical_ctdl_get_subprop(ird.cal, ICAL_DTSTART_PROPERTY);
- if (p == NULL) return;
- if (p != NULL) t2start = icalproperty_get_dtstart(p);
-
- p = ical_ctdl_get_subprop(ird.cal, ICAL_DTEND_PROPERTY);
- if (p != NULL) t2end = icalproperty_get_dtend(p);
+ /* recur variables */
+ icalproperty *rrule = NULL;
+ struct icalrecurrencetype recur;
+ icalrecur_iterator *ritr = NULL;
+ struct icaldurationtype dur;
+ int num_recur = 0;
+
+ /* initialization */
+ strcpy(compare_uid, "");
+
+ /* proposed event stuff */
- p = ical_ctdl_get_subprop(cal, ICAL_DTSTART_PROPERTY);
+ p = ical_ctdl_get_subprop(proposed_event, ICAL_DTSTART_PROPERTY);
if (p == NULL) return;
if (p != NULL) t1start = icalproperty_get_dtstart(p);
+ if (icaltime_is_utc(t1start)) {
+ t1start.zone = icaltimezone_get_utc_timezone();
+ }
+ else {
+ t1start.zone = icalcomponent_get_timezone(proposed_event,
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (!t1start.zone) {
+ t1start.zone = get_default_icaltimezone();
+ }
+ }
- p = ical_ctdl_get_subprop(cal, ICAL_DTEND_PROPERTY);
- if (p != NULL) t1end = icalproperty_get_dtend(p);
-
- p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
+ p = ical_ctdl_get_subprop(proposed_event, ICAL_DTEND_PROPERTY);
if (p != NULL) {
- strcpy(compare_uid, icalproperty_get_comment(p));
+ t1end = icalproperty_get_dtend(p);
+
+ if (icaltime_is_utc(t1end)) {
+ t1end.zone = icaltimezone_get_utc_timezone();
+ }
+ else {
+ t1end.zone = icalcomponent_get_timezone(proposed_event,
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (!t1end.zone) {
+ t1end.zone = get_default_icaltimezone();
+ }
+ }
+
+ dur = icaltime_subtract(t1end, t1start);
}
- p = ical_ctdl_get_subprop(ird.cal, ICAL_UID_PROPERTY);
- if (p != NULL) {
- strcpy(conflict_event_uid, icalproperty_get_comment(p));
+ rrule = ical_ctdl_get_subprop(proposed_event, ICAL_RRULE_PROPERTY);
+ if (rrule) {
+ recur = icalproperty_get_rrule(rrule);
+ ritr = icalrecur_iterator_new(recur, t1start);
}
- p = ical_ctdl_get_subprop(ird.cal, ICAL_SUMMARY_PROPERTY);
+ p = ical_ctdl_get_subprop(proposed_event, ICAL_UID_PROPERTY);
if (p != NULL) {
- strcpy(conflict_event_summary, icalproperty_get_comment(p));
+ strcpy(compare_uid, icalproperty_get_comment(p));
}
- icalcomponent_free(ird.cal);
+ do {
+ ical_conflicts_phase5(t1start, t1end, existing_event, existing_msgnum, compare_uid);
- if (ical_ctdl_is_overlap(t1start, t1end, t2start, t2end)) {
- cprintf("%ld||%s|%s|%d|\n",
- msgnum,
- conflict_event_uid,
- conflict_event_summary,
- ( ((strlen(compare_uid)>0)
- &&(!strcasecmp(compare_uid,
- conflict_event_uid))) ? 1 : 0
- )
- );
- }
+ if (rrule) {
+ t1start = icalrecur_iterator_next(ritr);
+ if (!icaltime_is_null_time(t1end)) {
+ const icaltimezone *hold_zone = t1end.zone;
+ t1end = icaltime_add(t1start, dur);
+ t1end.zone = hold_zone;
+ }
+ ++num_recur;
+ }
+
+ } while ( (rrule) && (!icaltime_is_null_time(t1start)) && (num_recur < MAX_RECUR) );
+ icalrecur_iterator_free(ritr);
+}
+
+
+
+/*
+ * Phase 3 of "hunt for conflicts"
+ * Called by ical_hunt_for_conflicts()
+ */
+void ical_hunt_for_conflicts_backend(long msgnum, void *data) {
+ icalcomponent *proposed_event;
+ struct CtdlMessage *msg = NULL;
+ struct ical_respond_data ird;
+
+ proposed_event = (icalcomponent *)data;
+
+ msg = CtdlFetchMessage(msgnum, 1);
+ if (msg == NULL) return;
+ memset(&ird, 0, sizeof ird);
+ strcpy(ird.desired_partnum, "_HUNT_");
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_locate_part, /* callback function */
+ NULL, NULL,
+ (void *) &ird, /* user data */
+ 0
+ );
+ CtdlFreeMessage(msg);
+
+ if (ird.cal == NULL) return;
+
+ ical_conflicts_phase4(proposed_event, ird.cal, msgnum);
+ icalcomponent_free(ird.cal);
}
/*
* Phase 2 of "hunt for conflicts" operation.
* At this point we have a calendar object which represents the VEVENT that
- * we're considering adding to the calendar. Now hunt through the user's
+ * is proposed for addition to the calendar. Now hunt through the user's
* calendar room, and output zero or more existing VEVENTs which conflict
* with this one.
*/
msg = CtdlFetchMessage(msgnum, 1);
if (msg == NULL) {
- cprintf("%d Message %ld not found.\n",
+ cprintf("%d Message %ld not found\n",
ERROR + ILLEGAL_VALUE,
(long)msgnum
);
icalcomponent_free(ird.cal);
return;
}
- else {
- cprintf("%d No calendar object found\n", ERROR + ROOM_NOT_FOUND);
- return;
- }
- /* should never get here */
+ cprintf("%d No calendar object found\n", ERROR + ROOM_NOT_FOUND);
}
/*
* Look for busy time in a VEVENT and add it to the supplied VFREEBUSY.
+ *
+ * fb The VFREEBUSY component to which we are appending
+ * top_level_cal The top-level VCALENDAR component which contains a VEVENT to be added
*/
-void ical_add_to_freebusy(icalcomponent *fb, icalcomponent *cal) {
+void ical_add_to_freebusy(icalcomponent *fb, icalcomponent *top_level_cal) {
+ icalcomponent *cal;
icalproperty *p;
icalvalue *v;
- struct icalperiodtype my_period;
+ struct icalperiodtype this_event_period = icalperiodtype_null_period();
+ icaltimetype dtstart = icaltime_null_time();
+ icaltimetype dtend = icaltime_null_time();
- if (cal == NULL) return;
- my_period = icalperiodtype_null_period();
+ /* recur variables */
+ icalproperty *rrule = NULL;
+ struct icalrecurrencetype recur;
+ icalrecur_iterator *ritr = NULL;
+ struct icaldurationtype dur;
+ int num_recur = 0;
- if (icalcomponent_isa(cal) != ICAL_VEVENT_COMPONENT) {
- ical_add_to_freebusy(fb,
- icalcomponent_get_first_component(
- cal, ICAL_VEVENT_COMPONENT
- )
- );
- return;
- }
+ if (!top_level_cal) return;
- ical_dezonify(cal);
+ /* Find the VEVENT component containing an event */
+ cal = icalcomponent_get_first_component(top_level_cal, ICAL_VEVENT_COMPONENT);
+ if (!cal) return;
/* If this event is not opaque, the user isn't publishing it as
* busy time, so don't bother doing anything else.
}
}
- /* Convert the DTSTART and DTEND properties to an icalperiod. */
+ /*
+ * Now begin calculating the event start and end times.
+ */
p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
- if (p != NULL) {
- my_period.start = icalproperty_get_dtstart(p);
- }
+ if (!p) return;
+ dtstart = icalproperty_get_dtstart(p);
- p = icalcomponent_get_first_property(cal, ICAL_DTEND_PROPERTY);
- if (p != NULL) {
- my_period.end = icalproperty_get_dtstart(p);
- }
-
- /* Now add it. */
- icalcomponent_add_property(fb,
- icalproperty_new_freebusy(my_period)
- );
-
- /* Make sure the DTSTART property of the freebusy *list* is set to
- * the DTSTART property of the *earliest event*.
- */
- p = icalcomponent_get_first_property(fb, ICAL_DTSTART_PROPERTY);
- if (p == NULL) {
- icalcomponent_set_dtstart(fb,
- icalcomponent_get_dtstart(cal) );
+ if (icaltime_is_utc(dtstart)) {
+ dtstart.zone = icaltimezone_get_utc_timezone();
}
else {
- if (icaltime_compare(
- icalcomponent_get_dtstart(cal),
- icalcomponent_get_dtstart(fb)
- ) < 0) {
- icalcomponent_set_dtstart(fb,
- icalcomponent_get_dtstart(cal) );
+ dtstart.zone = icalcomponent_get_timezone(top_level_cal,
+ icalparameter_get_tzid(
+ icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER)
+ )
+ );
+ if (!dtstart.zone) {
+ dtstart.zone = get_default_icaltimezone();
}
}
- /* Make sure the DTEND property of the freebusy *list* is set to
- * the DTEND property of the *latest event*.
- */
- p = icalcomponent_get_first_property(fb, ICAL_DTEND_PROPERTY);
- if (p == NULL) {
- icalcomponent_set_dtend(fb,
- icalcomponent_get_dtend(cal) );
+ dtend = icalcomponent_get_dtend(cal);
+ if (!icaltime_is_null_time(dtend)) {
+ dur = icaltime_subtract(dtend, dtstart);
}
- else {
- if (icaltime_compare(
- icalcomponent_get_dtend(cal),
- icalcomponent_get_dtend(fb)
- ) > 0) {
- icalcomponent_set_dtend(fb,
- icalcomponent_get_dtend(cal) );
- }
+
+ /* Is a recurrence specified? If so, get ready to process it... */
+ rrule = ical_ctdl_get_subprop(cal, ICAL_RRULE_PROPERTY);
+ if (rrule) {
+ recur = icalproperty_get_rrule(rrule);
+ ritr = icalrecur_iterator_new(recur, dtstart);
}
+ do {
+ /* Convert the DTSTART and DTEND properties to an icalperiod. */
+ this_event_period.start = dtstart;
+
+ if (!icaltime_is_null_time(dtend)) {
+ this_event_period.end = dtend;
+ }
+
+ /* Convert the timestamps to UTC. It's ok to do this because we've already expanded
+ * recurrences and this data is never going to get used again.
+ */
+ this_event_period.start = icaltime_convert_to_zone(
+ this_event_period.start,
+ icaltimezone_get_utc_timezone()
+ );
+ this_event_period.end = icaltime_convert_to_zone(
+ this_event_period.end,
+ icaltimezone_get_utc_timezone()
+ );
+
+ /* Now add it. */
+ icalcomponent_add_property(fb, icalproperty_new_freebusy(this_event_period));
+
+ /* Make sure the DTSTART property of the freebusy *list* is set to
+ * the DTSTART property of the *earliest event*.
+ */
+ p = icalcomponent_get_first_property(fb, ICAL_DTSTART_PROPERTY);
+ if (p == NULL) {
+ icalcomponent_set_dtstart(fb, this_event_period.start);
+ }
+ else {
+ if (icaltime_compare(this_event_period.start, icalcomponent_get_dtstart(fb)) < 0) {
+ icalcomponent_set_dtstart(fb, this_event_period.start);
+ }
+ }
+
+ /* Make sure the DTEND property of the freebusy *list* is set to
+ * the DTEND property of the *latest event*.
+ */
+ p = icalcomponent_get_first_property(fb, ICAL_DTEND_PROPERTY);
+ if (p == NULL) {
+ icalcomponent_set_dtend(fb, this_event_period.end);
+ }
+ else {
+ if (icaltime_compare(this_event_period.end, icalcomponent_get_dtend(fb)) > 0) {
+ icalcomponent_set_dtend(fb, this_event_period.end);
+ }
+ }
+
+ if (rrule) {
+ dtstart = icalrecur_iterator_next(ritr);
+ if (!icaltime_is_null_time(dtend)) {
+ dtend = icaltime_add(dtstart, dur);
+ dtend.zone = dtstart.zone;
+ dtend.is_utc = dtstart.is_utc;
+ }
+ ++num_recur;
+ }
+
+ } while ( (rrule) && (!icaltime_is_null_time(dtstart)) && (num_recur < MAX_RECUR) ) ;
+ icalrecur_iterator_free(ritr);
}
*
*/
void ical_freebusy_backend(long msgnum, void *data) {
- icalcomponent *cal;
+ icalcomponent *fb;
struct CtdlMessage *msg = NULL;
struct ical_respond_data ird;
- cal = (icalcomponent *)data;
+ fb = (icalcomponent *)data; /* User-supplied data will be the VFREEBUSY component */
msg = CtdlFetchMessage(msgnum, 1);
if (msg == NULL) return;
);
CtdlFreeMessage(msg);
- if (ird.cal == NULL) return;
-
- ical_add_to_freebusy(cal, ird.cal);
-
- /* Now free the memory. */
- icalcomponent_free(ird.cal);
+ if (ird.cal) {
+ ical_add_to_freebusy(fb, ird.cal); /* Add VEVENT times to VFREEBUSY */
+ icalcomponent_free(ird.cal);
+ }
}
/* If not found, try it as an unqualified email address. */
if (found_user != 0) {
strcpy(buf, who);
- recp = validate_recipients(buf);
- lprintf(CTDL_DEBUG, "Trying <%s>\n", buf);
+ recp = validate_recipients(buf, NULL, 0);
+ CtdlLogPrintf(CTDL_DEBUG, "Trying <%s>\n", buf);
if (recp != NULL) {
if (recp->num_local == 1) {
found_user = getuser(&usbuf, recp->recp_local);
*/
if (found_user != 0) {
snprintf(buf, sizeof buf, "%s@%s", who, config.c_fqdn);
- lprintf(CTDL_DEBUG, "Trying <%s>\n", buf);
- recp = validate_recipients(buf);
+ CtdlLogPrintf(CTDL_DEBUG, "Trying <%s>\n", buf);
+ recp = validate_recipients(buf, NULL, 0);
if (recp != NULL) {
if (recp->num_local == 1) {
found_user = getuser(&usbuf, recp->recp_local);
if ( (!strcasecmp(type, "localhost"))
|| (!strcasecmp(type, "directory")) ) {
snprintf(buf, sizeof buf, "%s@%s", who, host);
- lprintf(CTDL_DEBUG, "Trying <%s>\n", buf);
- recp = validate_recipients(buf);
+ CtdlLogPrintf(CTDL_DEBUG, "Trying <%s>\n", buf);
+ recp = validate_recipients(buf, NULL, 0);
if (recp != NULL) {
if (recp->num_local == 1) {
found_user = getuser(&usbuf, recp->recp_local);
}
/* Create a VFREEBUSY subcomponent */
- lprintf(CTDL_DEBUG, "Creating VFREEBUSY component\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Creating VFREEBUSY component\n");
fb = icalcomponent_new_vfreebusy();
if (fb == NULL) {
cprintf("%d Internal error: cannot allocate memory.\n",
ERROR + INTERNAL_ERROR);
- icalcomponent_free(encaps);
getroom(&CC->room, hold_rm);
return;
}
icalcomponent_add_property(fb, icalproperty_new_organizer(buf));
/* Add busy time from events */
- lprintf(CTDL_DEBUG, "Adding busy time from events\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Adding busy time from events\n");
CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, ical_freebusy_backend, (void *)fb );
/* If values for DTSTART and DTEND are still not present, set them
}
/* Put the freebusy component into the calendar component */
- lprintf(CTDL_DEBUG, "Encapsulating\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Encapsulating\n");
encaps = ical_encapsulate_subcomponent(fb);
if (encaps == NULL) {
icalcomponent_free(fb);
}
/* Set the method to PUBLISH */
- lprintf(CTDL_DEBUG, "Setting method\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Setting method\n");
icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
/* Serialize it */
- lprintf(CTDL_DEBUG, "Serializing\n");
- serialized_request = strdup(icalcomponent_as_ical_string(encaps));
+ CtdlLogPrintf(CTDL_DEBUG, "Serializing\n");
+ serialized_request = icalcomponent_as_ical_string_r(encaps);
icalcomponent_free(encaps); /* Don't need this anymore. */
- cprintf("%d Here is the free/busy data:\n", LISTING_FOLLOWS);
+ cprintf("%d Free/busy for %s\n", LISTING_FOLLOWS, usbuf.fullname);
if (serialized_request != NULL) {
client_write(serialized_request, strlen(serialized_request));
free(serialized_request);
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);
}
if ( (CC->room.QRdefaultview != VIEW_CALENDAR)
&&(CC->room.QRdefaultview != VIEW_TASKS) ) {
cprintf("%d Not a calendar room\n", ERROR+NOT_HERE);
- return; /* Not a vCalendar-centric room */
+ return; /* Not an iCalendar-centric room */
}
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- lprintf(CTDL_DEBUG, "Error at %s:%d - could not allocate component!\n",
- __FILE__, __LINE__);
+ CtdlLogPrintf(CTDL_ALERT, "ERROR: could not allocate component!\n");
cprintf("%d Could not allocate memory\n", ERROR+INTERNAL_ERROR);
return;
}
(void *) encaps
);
- ser = strdup(icalcomponent_as_ical_string(encaps));
+ 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 a vCalendar-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;
}
cprintf("%d Transmit data now\n", SEND_LISTING);
- calstream = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
+ calstream = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
if (calstream == NULL) {
return;
}
cal = icalcomponent_new_from_string(calstream);
free(calstream);
- ical_dezonify(cal);
/* 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);
+ }
}
}
/* Set expiration policy to manual; otherwise objects will be lost! */
if (lgetroom(&qr, USERCALENDARROOM)) {
- lprintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
+ CtdlLogPrintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
/* Set expiration policy to manual; otherwise objects will be lost! */
if (lgetroom(&qr, USERTASKSROOM)) {
- lprintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
+ CtdlLogPrintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
/* Set expiration policy to manual; otherwise objects will be lost! */
if (lgetroom(&qr, USERNOTESROOM)) {
- lprintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
+ CtdlLogPrintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
/*
- * 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;
icalproperty *attendee = NULL;
char summary_string[SIZ];
icalproperty *summary = NULL;
+ size_t reqsize;
+ icalproperty *p;
+ struct icaltimetype t;
+ const icaltimezone *attached_zones[5] = { NULL, NULL, NULL, NULL, NULL };
+ int i;
+ const icaltimezone *z;
+ int num_zones_attached = 0;
+ int zone_already_attached;
+ icalparameter *tzidp = NULL;
+ const char *tzidc = NULL;
if (cal == NULL) {
- lprintf(CTDL_ERR, "ERROR: trying to reply to NULL event?\n");
+ CtdlLogPrintf(CTDL_ERR, "ERROR: trying to reply to NULL event?\n");
return;
}
/* 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
)
/* Clone the event */
the_request = icalcomponent_new_clone(cal);
if (the_request == NULL) {
- lprintf(CTDL_ERR, "ERROR: cannot clone calendar object\n");
+ CtdlLogPrintf(CTDL_ERR, "ERROR: cannot clone calendar object\n");
return;
}
}
}
- lprintf(CTDL_DEBUG, "<%d> attendees: <%s>\n", num_attendees, attendees_string);
+ CtdlLogPrintf(CTDL_DEBUG, "<%d> attendees: <%s>\n", num_attendees, attendees_string);
/* If there are no attendees, there are no invitations to send, so...
* don't bother putting one together! Punch out, Maverick!
/* Encapsulate the VEVENT component into a complete VCALENDAR */
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- lprintf(CTDL_DEBUG, "Error at %s:%d - could not allocate component!\n",
- __FILE__, __LINE__);
+ CtdlLogPrintf(CTDL_ALERT, "ERROR: could not allocate component!\n");
icalcomponent_free(the_request);
return;
}
/* Set the method to REQUEST */
icalcomponent_set_method(encaps, ICAL_METHOD_REQUEST);
- /* Now make sure all of the DTSTART and DTEND properties are UTC. */
- ical_dezonify(the_request);
+ /* 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
- /* Here we go: put the VEVENT into the VCALENDAR. We now no longer
+ /* Determine the tzid in order for some of the conditions below to work */
+ tzidp = icalproperty_get_first_parameter(p, ICAL_TZID_PARAMETER);
+ if (tzidp) {
+ tzidc = icalparameter_get_tzid(tzidp);
+ }
+ else {
+ tzidc = NULL;
+ }
+
+ /* 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 not, try to determine the tzid from the parameter using attached zones */
+ if ((!z) && (tzidc)) {
+ z = icalcomponent_get_timezone(top_level_cal, tzidc);
+ }
+
+ /* Still no good? Try our internal database */
+ if ((!z) && (tzidc)) {
+ z = icaltimezone_get_builtin_timezone_from_tzid(tzidc);
+ }
+
+ if (z) {
+ /* We have a valid timezone. Good. Now we need to attach it. */
+
+ zone_already_attached = 0;
+ for (i=0; i<5; ++i) {
+ if (z == attached_zones[i]) {
+ /* We've already got this one, no need to attach another. */
+ ++zone_already_attached;
+ }
+ }
+ if ((!zone_already_attached) && (num_zones_attached < 5)) {
+ /* This is a new one, so attach it. */
+ 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_add_component(encaps, the_request);
/* Serialize it */
- serialized_request = strdup(icalcomponent_as_ical_string(encaps));
+ serialized_request = icalcomponent_as_ical_string_r(encaps);
icalcomponent_free(encaps); /* Don't need this anymore. */
if (serialized_request == NULL) return;
- request_message_text = malloc(strlen(serialized_request) + SIZ);
+ reqsize = strlen(serialized_request) + SIZ;
+ request_message_text = malloc(reqsize);
if (request_message_text != NULL) {
- sprintf(request_message_text,
+ snprintf(request_message_text, reqsize,
"Content-type: text/calendar\r\n\r\n%s\r\n",
serialized_request
);
- msg = CtdlMakeMessage(&CC->user,
- "", /* No single recipient here */
- "", /* No single recipient here */
- CC->room.QRname, 0, FMT_RFC822,
- "",
- "",
+ msg = CtdlMakeMessage(
+ &CC->user,
+ NULL, /* No single recipient here */
+ NULL, /* No single recipient here */
+ CC->room.QRname,
+ 0,
+ FMT_RFC822,
+ NULL,
+ NULL,
summary_string, /* Use summary for subject */
NULL,
- request_message_text);
+ request_message_text,
+ NULL
+ );
if (msg != NULL) {
- valid = validate_recipients(attendees_string);
- CtdlSubmitMsg(msg, valid, "");
+ valid = validate_recipients(attendees_string, NULL, 0);
+ CtdlSubmitMsg(msg, valid, "", QP_EADDR);
CtdlFreeMessage(msg);
free_recipients(valid);
}
* 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];
- lprintf(CTDL_DEBUG, "ical_saving_vevent() has been called!\n");
+ CtdlLogPrintf(CTDL_DEBUG, "ical_saving_vevent() has been called!\n");
/* Don't send out invitations unless the client wants us to. */
if (CIT_ICAL->server_generated_invitations == 0) {
* 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);
}
}
* the summary of the event (becomes message subject),
* and the start time (becomes message date/time).
*/
-void ical_ctdl_set_exclusive_msgid(char *name, char *filename, char *partnum,
+void ical_obj_beforesave_backend(char *name, char *filename, char *partnum,
char *disp, void *content, char *cbtype, char *cbcharset, size_t length,
- char *encoding, void *cbuserdata)
+ char *encoding, char *cbid, void *cbuserdata)
{
icalcomponent *cal, *nested_event, *nested_todo, *whole_cal;
icalproperty *p;
- struct icalmessagemod *imm;
- char new_uid[SIZ];
+ char new_uid[256] = "";
+ char buf[1024] = "";
+ struct CtdlMessage *msg = (struct CtdlMessage *) cbuserdata;
- imm = (struct icalmessagemod *)cbuserdata;
+ if (!msg) return;
/* We're only interested in calendar data. */
- if (strcasecmp(cbtype, "text/calendar")) {
+ if ( (strcasecmp(cbtype, "text/calendar"))
+ && (strcasecmp(cbtype, "application/ics")) ) {
return;
}
}
if (cal != NULL) {
+
+ /* Set the message EUID to the iCalendar UID */
+
p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
if (p == NULL) {
/* If there's no uid we must generate one */
p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
}
if (p != NULL) {
- strcpy(imm->uid, icalproperty_get_comment(p));
+ safestrncpy(buf, icalproperty_get_comment(p), sizeof buf);
+ if (!IsEmptyStr(buf)) {
+ if (msg->cm_fields['E'] != NULL) {
+ free(msg->cm_fields['E']);
+ }
+ msg->cm_fields['E'] = strdup(buf);
+ CtdlLogPrintf(CTDL_DEBUG, "Saving calendar UID <%s>\n", buf);
+ }
}
+
+ /* Set the message subject to the iCalendar summary */
+
p = ical_ctdl_get_subprop(cal, ICAL_SUMMARY_PROPERTY);
if (p != NULL) {
- strcpy(imm->subject, icalproperty_get_comment(p));
+ safestrncpy(buf, icalproperty_get_comment(p), sizeof buf);
+ if (!IsEmptyStr(buf)) {
+ if (msg->cm_fields['U'] != NULL) {
+ free(msg->cm_fields['U']);
+ }
+ msg->cm_fields['U'] = strdup(buf);
+ }
}
+
+ /* Set the message date/time to the iCalendar start time */
+
p = ical_ctdl_get_subprop(cal, ICAL_DTSTART_PROPERTY);
if (p != NULL) {
- imm->dtstart = icaltime_as_timet(icalproperty_get_dtstart(p));
+ time_t idtstart;
+ idtstart = icaltime_as_timet(icalproperty_get_dtstart(p));
+ if (idtstart > 0) {
+ if (msg->cm_fields['T'] != NULL) {
+ free(msg->cm_fields['T']);
+ }
+ msg->cm_fields['T'] = strdup("000000000000000000");
+ sprintf(msg->cm_fields['T'], "%ld", idtstart);
+ }
}
+
}
icalcomponent_free(cal);
if (whole_cal != cal) {
/*
* See if we need to prevent the object from being saved (we don't allow
- * MIME types other than text/calendar in "calendar" or "tasks" rooms). Also,
- * when saving an event to the calendar, set the message's Citadel exclusive
- * message ID to the UID of the object. This causes our replication checker to
- * automatically delete any existing instances of the same object. (Isn't
- * that cool?)
+ * MIME types other than text/calendar in "calendar" or "tasks" rooms).
*
- * We also set the message's Subject to the event summary, and the Date/time to
- * the event start time.
+ * If the message is being saved, we also set various message header fields
+ * using data found in the iCalendar object.
*/
int ical_obj_beforesave(struct CtdlMessage *msg)
{
- struct icalmessagemod imm;
-
/* First determine if this is a calendar or tasks room */
if ( (CC->room.QRdefaultview != VIEW_CALENDAR)
&& (CC->room.QRdefaultview != VIEW_TASKS)
) {
- return(0); /* Not a vCalendar-centric room */
+ return(0); /* Not an iCalendar-centric room */
}
/* It must be an RFC822 message! */
if (msg->cm_format_type != 4) {
- lprintf(CTDL_DEBUG, "Rejecting non-RFC822 message\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Rejecting non-RFC822 message\n");
return(1); /* You tried to save a non-RFC822 message! */
}
return(1); /* You tried to save a null message! */
}
- memset(&imm, 0, sizeof(struct icalmessagemod));
-
/* Do all of our lovely back-end parsing */
mime_parser(msg->cm_fields['M'],
NULL,
- *ical_ctdl_set_exclusive_msgid,
+ *ical_obj_beforesave_backend,
NULL, NULL,
- (void *)&imm,
+ (void *)msg,
0
);
- if (!IsEmptyStr(imm.uid)) {
- if (msg->cm_fields['E'] != NULL) {
- free(msg->cm_fields['E']);
- }
- msg->cm_fields['E'] = strdup(imm.uid);
- lprintf(CTDL_DEBUG, "Saving calendar UID <%s>\n", msg->cm_fields['E']);
- }
- if (!IsEmptyStr(imm.subject)) {
- if (msg->cm_fields['U'] != NULL) {
- free(msg->cm_fields['U']);
- }
- msg->cm_fields['U'] = strdup(imm.subject);
- }
- if (imm.dtstart > 0) {
- if (msg->cm_fields['T'] != NULL) {
- free(msg->cm_fields['T']);
- }
- msg->cm_fields['T'] = strdup("000000000000000000");
- sprintf(msg->cm_fields['T'], "%ld", imm.dtstart);
- }
-
return(0);
}
*/
void ical_obj_aftersave_backend(char *name, char *filename, char *partnum,
char *disp, void *content, char *cbtype, char *cbcharset, size_t length,
- char *encoding, void *cbuserdata)
+ char *encoding, char *cbid, void *cbuserdata)
{
icalcomponent *cal;
/* We're only interested in calendar items here. */
- if (strcasecmp(cbtype, "text/calendar")) {
+ if ( (strcasecmp(cbtype, "text/calendar"))
+ && (strcasecmp(cbtype, "application/ics")) ) {
return;
}
* ical_obj_beforesave() sees it there, it'll set the Exclusive msgid
* to that string.
*/
- if (!strcasecmp(cbtype, "text/calendar")) {
+ if ( (!strcasecmp(cbtype, "text/calendar"))
+ || (!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);
}
}
/*
- * Function to output vcalendar data as plain text. Nobody uses MSG0
+ * Function to output iCalendar data as plain text. Nobody uses MSG0
* anymore, so really this is just so we expose the vCard data to the full
* text indexer.
*/
return;
}
- ical_dezonify(cal);
ical_fixed_output_backend(cal, 0);
/* Free the memory we obtained from libical's constructor */
}
-#endif /* CITADEL_WITH_CALENDAR_SERVICE */
+
+void serv_calendar_destroy(void)
+{
+ icaltimezone_free_builtin_timezones();
+}
/*
* Register this module with the Citadel server.
*/
CTDL_MODULE_INIT(calendar)
{
-#ifdef CITADEL_WITH_CALENDAR_SERVICE
- CtdlRegisterMessageHook(ical_obj_beforesave, EVT_BEFORESAVE);
- CtdlRegisterMessageHook(ical_obj_aftersave, EVT_AFTERSAVE);
- CtdlRegisterSessionHook(ical_create_room, EVT_LOGIN);
- CtdlRegisterProtoHook(cmd_ical, "ICAL", "Citadel iCal commands");
- CtdlRegisterSessionHook(ical_session_startup, EVT_START);
- CtdlRegisterSessionHook(ical_session_shutdown, EVT_STOP);
- CtdlRegisterFixedOutputHook("text/calendar", ical_fixed_output);
-#endif
-
+ if (!threading)
+ {
+
+ /* Tell libical to return errors instead of aborting if it gets bad data */
+ icalerror_errors_are_fatal = 0;
+
+ /* Use our own application prefix in tzid's generated from system tzdata */
+ icaltimezone_set_tzid_prefix("/citadel.org/");
+
+ /* Initialize our hook functions */
+ CtdlRegisterMessageHook(ical_obj_beforesave, EVT_BEFORESAVE);
+ CtdlRegisterMessageHook(ical_obj_aftersave, EVT_AFTERSAVE);
+ CtdlRegisterSessionHook(ical_create_room, EVT_LOGIN);
+ CtdlRegisterProtoHook(cmd_ical, "ICAL", "Citadel iCal commands");
+ CtdlRegisterSessionHook(ical_session_startup, EVT_START);
+ CtdlRegisterSessionHook(ical_session_shutdown, EVT_STOP);
+ CtdlRegisterFixedOutputHook("text/calendar", ical_fixed_output);
+ CtdlRegisterFixedOutputHook("application/ics", ical_fixed_output);
+ CtdlRegisterCleanupHook(serv_calendar_destroy);
+ }
+
/* return our Subversion id for the Log */
return "$Id$";
}
-
-
-
-void serv_calendar_destroy(void)
-{
-#ifdef CITADEL_WITH_CALENDAR_SERVICE
- icaltimezone_free_builtin_timezones();
-#endif
-}
projects / citadel.git / blobdiff