*
*/
+#define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
+
#include "sysdep.h"
#include <unistd.h>
#include <sys/types.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
-#include "serv_calendar.h"
#include "citadel.h"
#include "server.h"
#include "citserver.h"
#include "sysdep_decls.h"
#include "support.h"
#include "config.h"
-#include "dynloader.h"
+#include "serv_extensions.h"
#include "user_ops.h"
#include "room_ops.h"
#include "tools.h"
#include "msgbase.h"
#include "mime_parser.h"
-#ifdef HAVE_ICAL_H
-#include <ical.h>
-#endif
+#include "serv_calendar.h"
+#ifdef CITADEL_WITH_CALENDAR_SERVICE
-#ifdef HAVE_ICAL_H
+#include <ical.h>
+#include "ical_dezonify.h"
struct ical_respond_data {
char desired_partnum[SIZ];
icalcomponent *cal;
};
+/* Session-local data for calendaring. */
+long SYM_CIT_ICAL;
+
+
+/*
+ * Utility function to create a new VCALENDAR component with some of the
+ * required fields already set the way we like them.
+ */
+icalcomponent *icalcomponent_new_citadel_vcalendar(void) {
+ icalcomponent *encaps;
+
+ encaps = icalcomponent_new_vcalendar();
+ if (encaps == NULL) {
+ lprintf(3, "Error at %s:%d - could not allocate component!\n",
+ __FILE__, __LINE__);
+ return NULL;
+ }
+
+ /* Set the Product ID */
+ icalcomponent_add_property(encaps, icalproperty_new_prodid(PRODID));
+
+ /* Set the Version Number */
+ icalcomponent_add_property(encaps, icalproperty_new_version("2.0"));
+
+ return(encaps);
+}
+
+
+/*
+ * Utility function to encapsulate a subcomponent into a full VCALENDAR
+ */
+icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp) {
+ icalcomponent *encaps;
+
+ /* If we're already looking at a full VCALENDAR component,
+ * don't bother ... just return itself.
+ */
+ if (icalcomponent_isa(subcomp) == ICAL_VCALENDAR_COMPONENT) {
+ return subcomp;
+ }
+
+ /* Encapsulate the VEVENT component into a complete VCALENDAR */
+ encaps = icalcomponent_new_citadel_vcalendar();
+ if (encaps == NULL) 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);
+}
/*
- * Write our config to disk
+ * Write a calendar object into the specified user's calendar room.
+ *
+ * ok
*/
-void ical_write_to_cal(struct usersupp *u, icalcomponent *cal) {
- char temp[PATH_MAX];
- FILE *fp;
+void ical_write_to_cal(struct ctdluser *u, icalcomponent *cal) {
+ char temp[PATH_MAX];
+ FILE *fp;
char *ser;
+ icalcomponent *encaps;
+
+ if (cal == NULL) return;
+
+ /* If the supplied object is a subcomponent, encapsulate it in
+ * a full VCALENDAR component, and save that instead.
+ */
+ if (icalcomponent_isa(cal) != ICAL_VCALENDAR_COMPONENT) {
+ encaps = ical_encapsulate_subcomponent(
+ icalcomponent_new_clone(cal)
+ );
+ ical_write_to_cal(u, encaps);
+ icalcomponent_free(encaps);
+ return;
+ }
- strcpy(temp, tmpnam(NULL));
+ strcpy(temp, tmpnam(NULL));
ser = icalcomponent_as_ical_string(cal);
if (ser == NULL) return;
/* Make a temp file out of it */
- fp = fopen(temp, "w");
- if (fp == NULL) return;
+ fp = fopen(temp, "w");
+ if (fp == NULL) return;
fwrite(ser, strlen(ser), 1, fp);
- fclose(fp);
+ fclose(fp);
- /* This handy API function does all the work for us.
- * NOTE: normally we would want to set that last argument to 1, to
- * force the system to delete the user's old vCard. But it doesn't
- * have to, because the vcard_upload_beforesave() hook above
- * is going to notice what we're trying to do, and delete the old vCard.
+ /* This handy API function does all the work for us.
*/
- CtdlWriteObject(USERCALENDARROOM, /* which room */
+ CtdlWriteObject(USERCALENDARROOM, /* which room */
"text/calendar", /* MIME type */
temp, /* temp file */
u, /* which user */
0, /* don't delete others of this type */
0); /* no flags */
- unlink(temp);
+ unlink(temp);
}
/*
* 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;
*/
if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
- ical_write_to_cal(&CC->usersupp, cal);
+ ical_write_to_cal(&CC->user, cal);
}
+/*
+ * Send a reply to a meeting invitation.
+ *
+ * 'request' is the invitation to reply to.
+ * 'action' is the string "accept" or "decline".
+ *
+ * (Sorry about this being more than 80 columns ... there was just
+ * no easy way to break it down sensibly.)
+ *
+ * ok
+ */
+void ical_send_a_reply(icalcomponent *request, char *action) {
+ icalcomponent *the_reply = NULL;
+ icalcomponent *vevent = NULL;
+ icalproperty *attendee = NULL;
+ char attendee_string[SIZ];
+ icalproperty *organizer = NULL;
+ char organizer_string[SIZ];
+ icalproperty *summary = NULL;
+ char summary_string[SIZ];
+ icalproperty *me_attend = NULL;
+ struct recptypes *recp = NULL;
+ icalparameter *partstat = NULL;
+ char *serialized_reply = NULL;
+ char *reply_message_text = NULL;
+ struct CtdlMessage *msg = NULL;
+ struct recptypes *valid = NULL;
+
+ strcpy(organizer_string, "");
+ strcpy(summary_string, "Calendar item");
+
+ if (request == NULL) {
+ lprintf(3, "ERROR: trying to reply to NULL event?\n");
+ return;
+ }
+
+ the_reply = icalcomponent_new_clone(request);
+ if (the_reply == NULL) {
+ lprintf(3, "ERROR: cannot clone request\n");
+ return;
+ }
+
+ /* Change the method from REQUEST to REPLY */
+ icalcomponent_set_method(the_reply, ICAL_METHOD_REPLY);
+
+ vevent = icalcomponent_get_first_component(the_reply, ICAL_VEVENT_COMPONENT);
+ if (vevent != NULL) {
+ /* Hunt for attendees, removing ones that aren't us.
+ * (Actually, remove them all, cloning our own one so we can
+ * re-insert it later)
+ */
+ while (attendee = icalcomponent_get_first_property(vevent,
+ ICAL_ATTENDEE_PROPERTY), (attendee != NULL)
+ ) {
+ if (icalproperty_get_attendee(attendee)) {
+ strcpy(attendee_string,
+ icalproperty_get_attendee(attendee) );
+ if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
+ strcpy(attendee_string, &attendee_string[7]);
+ striplt(attendee_string);
+ recp = validate_recipients(attendee_string);
+ if (recp != NULL) {
+ if (!strcasecmp(recp->recp_local, CC->user.fullname)) {
+ if (me_attend) icalproperty_free(me_attend);
+ me_attend = icalproperty_new_clone(attendee);
+ }
+ phree(recp);
+ }
+ }
+ }
+ /* Remove it... */
+ icalcomponent_remove_property(vevent, attendee);
+ icalproperty_free(attendee);
+ }
+
+ /* We found our own address in the attendee list. */
+ if (me_attend) {
+ /* Change the partstat from NEEDS-ACTION to ACCEPT or DECLINE */
+ icalproperty_remove_parameter(me_attend, ICAL_PARTSTAT_PARAMETER);
+
+ if (!strcasecmp(action, "accept")) {
+ partstat = icalparameter_new_partstat(ICAL_PARTSTAT_ACCEPTED);
+ }
+ else if (!strcasecmp(action, "decline")) {
+ partstat = icalparameter_new_partstat(ICAL_PARTSTAT_DECLINED);
+ }
+ else if (!strcasecmp(action, "tentative")) {
+ partstat = icalparameter_new_partstat(ICAL_PARTSTAT_TENTATIVE);
+ }
+
+ if (partstat) icalproperty_add_parameter(me_attend, partstat);
+
+ /* Now insert it back into the vevent. */
+ icalcomponent_add_property(vevent, me_attend);
+ }
+
+ /* Figure out who to send this thing to */
+ organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
+ if (organizer != NULL) {
+ if (icalproperty_get_organizer(organizer)) {
+ strcpy(organizer_string,
+ icalproperty_get_organizer(organizer) );
+ }
+ }
+ if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
+ strcpy(organizer_string, &organizer_string[7]);
+ striplt(organizer_string);
+ } else {
+ strcpy(organizer_string, "");
+ }
+
+ /* Extract the summary string -- we'll use it as the
+ * message subject for the reply
+ */
+ summary = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
+ if (summary != NULL) {
+ if (icalproperty_get_summary(summary)) {
+ strcpy(summary_string,
+ icalproperty_get_summary(summary) );
+ }
+ }
+
+ }
+
+ /* Now generate the reply message and send it out. */
+ serialized_reply = strdoop(icalcomponent_as_ical_string(the_reply));
+ icalcomponent_free(the_reply); /* don't need this anymore */
+ if (serialized_reply == NULL) return;
+
+ reply_message_text = mallok(strlen(serialized_reply) + SIZ);
+ if (reply_message_text != NULL) {
+ sprintf(reply_message_text,
+ "Content-type: text/calendar\r\n\r\n%s\r\n",
+ serialized_reply
+ );
+
+ msg = CtdlMakeMessage(&CC->user, organizer_string,
+ CC->room.QRname, 0, FMT_RFC822,
+ "",
+ summary_string, /* Use summary for subject */
+ reply_message_text);
+
+ if (msg != NULL) {
+ valid = validate_recipients(organizer_string);
+ CtdlSubmitMsg(msg, valid, "");
+ CtdlFreeMessage(msg);
+ }
+ }
+ phree(serialized_reply);
+}
+
+
+
/*
* Callback function for mime parser that hunts for calendar content types
* and turns them into calendar objects
struct ical_respond_data *ird = NULL;
ird = (struct ical_respond_data *) cbuserdata;
+
+ /* desired_partnum can be set to "_HUNT_" to have it just look for
+ * the first part with a content type of text/calendar. Otherwise
+ * we have to only process the right one.
+ */
+ if (strcasecmp(ird->desired_partnum, "_HUNT_")) {
+ if (strcasecmp(partnum, ird->desired_partnum)) {
+ return;
+ }
+ }
+
+ if (strcasecmp(cbtype, "text/calendar")) {
+ return;
+ }
+
if (ird->cal != NULL) {
icalcomponent_free(ird->cal);
ird->cal = NULL;
}
- if (strcasecmp(partnum, ird->desired_partnum)) return;
+
ird->cal = icalcomponent_new_from_string(content);
+ if (ird->cal != NULL) {
+ ical_dezonify(ird->cal);
+ }
}
0
);
+ /* We're done with the incoming message, because we now have a
+ * calendar object in memory.
+ */
CtdlFreeMessage(msg);
+ /*
+ * Here is the real meat of this function. Handle the event.
+ */
if (ird.cal != NULL) {
/* Save this in the user's calendar if necessary */
if (!strcasecmp(action, "accept")) {
}
/* Send a reply if necessary */
- /* FIXME ... do this */
+ if (icalcomponent_get_method(ird.cal) == ICAL_METHOD_REQUEST) {
+ ical_send_a_reply(ird.cal, action);
+ }
- /* Delete the message from the inbox */
- /* FIXME ... do this */
+ /* Now that we've processed this message, we don't need it
+ * anymore. So delete it.
+ */
+ CtdlDeleteMessages(CC->room.QRname, msgnum, "");
+ /* Free the memory we allocated and return a response. */
icalcomponent_free(ird.cal);
ird.cal = NULL;
cprintf("%d ok\n", CIT_OK);
}
+/*
+ * Figure out the UID of the calendar event being referred to in a
+ * REPLY object. This function is recursive.
+ */
+void ical_learn_uid_of_reply(char *uidbuf, icalcomponent *cal) {
+ icalcomponent *subcomponent;
+ icalproperty *p;
+
+ /* If this object is a REPLY, then extract the UID. */
+ if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
+ p = icalcomponent_get_first_property(cal, ICAL_UID_PROPERTY);
+ if (p != NULL) {
+ strcpy(uidbuf, icalproperty_get_comment(p));
+ }
+ }
+
+ /* Otherwise, recurse through any VEVENT subcomponents. We do NOT want the
+ * UID of the reply; we want the UID of the invitation being replied to.
+ */
+ for (subcomponent = icalcomponent_get_first_component(cal, ICAL_VEVENT_COMPONENT);
+ subcomponent != NULL;
+ subcomponent = icalcomponent_get_next_component(cal, ICAL_VEVENT_COMPONENT) ) {
+ ical_learn_uid_of_reply(uidbuf, subcomponent);
+ }
+}
+
+
+/*
+ * ical_update_my_calendar_with_reply() refers to this callback function; when we
+ * locate the message containing the calendar event we're replying to, this function
+ * gets called. It basically just sticks the message number in a supplied buffer.
+ */
+void ical_hunt_for_event_to_update(long msgnum, void *data) {
+ long *msgnumptr;
+
+ msgnumptr = (long *) data;
+ *msgnumptr = msgnum;
+}
+
+
+struct original_event_container {
+ icalcomponent *c;
+};
+
+/*
+ * Callback function for mime parser that hunts for calendar content types
+ * and turns them into calendar objects (called by ical_update_my_calendar_with_reply()
+ * to fetch the object being updated)
+ */
+void ical_locate_original_event(char *name, char *filename, char *partnum, char *disp,
+ void *content, char *cbtype, size_t length, char *encoding,
+ void *cbuserdata) {
+
+ struct original_event_container *oec = NULL;
+
+ if (strcasecmp(cbtype, "text/calendar")) {
+ return;
+ }
+ oec = (struct original_event_container *) cbuserdata;
+ if (oec->c != NULL) {
+ icalcomponent_free(oec->c);
+ }
+ oec->c = icalcomponent_new_from_string(content);
+}
+
+
+/*
+ * Merge updated attendee information from a REPLY into an existing event.
+ */
+void ical_merge_attendee_reply(icalcomponent *event, icalcomponent *reply) {
+ icalcomponent *c;
+ icalproperty *e_attendee, *r_attendee;
+
+ /* First things first. If we're not looking at a VEVENT component,
+ * recurse through subcomponents until we find one.
+ */
+ if (icalcomponent_isa(event) != ICAL_VEVENT_COMPONENT) {
+ for (c = icalcomponent_get_first_component(event, ICAL_VEVENT_COMPONENT);
+ c != NULL;
+ c = icalcomponent_get_next_component(event, ICAL_VEVENT_COMPONENT) ) {
+ ical_merge_attendee_reply(c, reply);
+ }
+ return;
+ }
+
+ /* Now do the same thing with the reply.
+ */
+ if (icalcomponent_isa(reply) != ICAL_VEVENT_COMPONENT) {
+ for (c = icalcomponent_get_first_component(reply, ICAL_VEVENT_COMPONENT);
+ c != NULL;
+ c = icalcomponent_get_next_component(reply, ICAL_VEVENT_COMPONENT) ) {
+ ical_merge_attendee_reply(event, c);
+ }
+ return;
+ }
+
+ /* Clone the reply, because we're going to rip its guts out. */
+ reply = icalcomponent_new_clone(reply);
+
+ /* At this point we're looking at the correct subcomponents.
+ * Iterate through the attendees looking for a match.
+ */
+STARTOVER:
+ for (e_attendee = icalcomponent_get_first_property(event, ICAL_ATTENDEE_PROPERTY);
+ e_attendee != NULL;
+ e_attendee = icalcomponent_get_next_property(event, ICAL_ATTENDEE_PROPERTY)) {
+
+ for (r_attendee = icalcomponent_get_first_property(reply, ICAL_ATTENDEE_PROPERTY);
+ r_attendee != NULL;
+ r_attendee = icalcomponent_get_next_property(reply, ICAL_ATTENDEE_PROPERTY)) {
+
+ /* Check to see if these two attendees match...
+ */
+ if (!strcasecmp(
+ icalproperty_get_attendee(e_attendee),
+ icalproperty_get_attendee(r_attendee)
+ )) {
+ /* ...and if they do, remove the attendee from the event
+ * and replace it with the attendee from the reply. (The
+ * reply's copy will have the same address, but an updated
+ * status.)
+ */
+ TRACE;
+ icalcomponent_remove_property(event, e_attendee);
+ TRACE;
+ icalproperty_free(e_attendee);
+ TRACE;
+ icalcomponent_remove_property(reply, r_attendee);
+ TRACE;
+ icalcomponent_add_property(event, r_attendee);
+ TRACE;
+
+ /* Since we diddled both sets of attendees, we have to start
+ * the iteration over again. This will not create an infinite
+ * loop because we removed the attendee from the reply. (That's
+ * why we cloned the reply, and that's what we mean by "ripping
+ * its guts out.")
+ */
+ goto STARTOVER;
+ }
+
+ }
+ }
+
+ /* Free the *clone* of the reply. */
+ icalcomponent_free(reply);
+}
+
+
+
+
+/*
+ * Handle an incoming RSVP (object with method==ICAL_METHOD_REPLY) for a
+ * calendar event. The object has already been deserialized for us; all
+ * we have to do here is hunt for the event in our calendar, merge in the
+ * updated attendee status, and save it again.
+ *
+ * This function returns 0 on success, 1 if the event was not found in the
+ * user's calendar, or 2 if an internal error occurred.
+ */
+int ical_update_my_calendar_with_reply(icalcomponent *cal) {
+ char uid[SIZ];
+ char hold_rm[ROOMNAMELEN];
+ long msgnum_being_replaced = 0;
+ struct CtdlMessage *template = NULL;
+ struct CtdlMessage *msg;
+ struct original_event_container oec;
+ icalcomponent *original_event;
+ char *serialized_event = NULL;
+ char roomname[ROOMNAMELEN];
+ char *message_text = NULL;
+
+ /* Figure out just what event it is we're dealing with */
+ strcpy(uid, "--==<< InVaLiD uId >>==--");
+ ical_learn_uid_of_reply(uid, cal);
+ lprintf(9, "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(3, "cannot get user calendar room\n");
+ return(2);
+ }
+
+ /*
+ * Pound through the user's calendar looking 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
+ * the event, this will work.
+ */
+ template = (struct CtdlMessage *)
+ mallok(sizeof(struct CtdlMessage));
+ memset(template, 0, sizeof(struct CtdlMessage));
+ template->cm_fields['E'] = strdoop(uid);
+ CtdlForEachMessage(MSGS_ALL, 0, "text/calendar",
+ template, ical_hunt_for_event_to_update, &msgnum_being_replaced);
+ CtdlFreeMessage(template);
+ getroom(&CC->room, hold_rm); /* return to saved room */
+
+ lprintf(9, "msgnum_being_replaced == %ld\n", msgnum_being_replaced);
+ if (msgnum_being_replaced == 0) {
+ return(1); /* no calendar event found */
+ }
+
+ /* Now we know the ID of the message containing the event being updated.
+ * We don't actually have to delete it; that'll get taken care of by the
+ * server when we save another event with the same UID. This just gives
+ * us the ability to load the event into memory so we can diddle the
+ * attendees.
+ */
+ msg = CtdlFetchMessage(msgnum_being_replaced);
+ if (msg == NULL) {
+ return(2); /* internal error */
+ }
+ oec.c = NULL;
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_locate_original_event, /* callback function */
+ NULL, NULL,
+ &oec, /* user data */
+ 0
+ );
+ CtdlFreeMessage(msg);
+
+ original_event = oec.c;
+ if (original_event == NULL) {
+ lprintf(3, "ERROR: Original_component is NULL.\n");
+ return(2);
+ }
+
+ /* Merge the attendee's updated status into the event */
+ ical_merge_attendee_reply(original_event, cal);
+
+ /* Serialize it */
+ serialized_event = strdoop(icalcomponent_as_ical_string(original_event));
+ icalcomponent_free(original_event); /* Don't need this anymore. */
+ if (serialized_event == NULL) return(2);
+
+ MailboxName(roomname, sizeof roomname, &CC->user, USERCALENDARROOM);
+
+ message_text = mallok(strlen(serialized_event) + SIZ);
+ if (message_text != NULL) {
+ sprintf(message_text,
+ "Content-type: text/calendar\r\n\r\n%s\r\n",
+ serialized_event
+ );
+
+ msg = CtdlMakeMessage(&CC->user,
+ "", /* No recipient */
+ roomname,
+ 0, FMT_RFC822,
+ "",
+ "", /* no subject */
+ message_text);
+
+ if (msg != NULL) {
+ CIT_ICAL->avoid_sending_invitations = 1;
+ CtdlSubmitMsg(msg, NULL, roomname);
+ CtdlFreeMessage(msg);
+ CIT_ICAL->avoid_sending_invitations = 0;
+ }
+ }
+ phree(serialized_event);
+ return(0);
+}
+
+
+/*
+ * Handle an incoming RSVP for an event. (This is the server subcommand part; it
+ * simply extracts the calendar object from the message, deserializes it, and
+ * passes it up to ical_update_my_calendar_with_reply() for processing.
+ */
+void ical_handle_rsvp(long msgnum, char *partnum, char *action) {
+ struct CtdlMessage *msg;
+ struct ical_respond_data ird;
+ int ret;
+
+ if (
+ (strcasecmp(action, "update"))
+ && (strcasecmp(action, "ignore"))
+ ) {
+ cprintf("%d Action must be 'update' or 'ignore'\n",
+ ERROR + ILLEGAL_VALUE
+ );
+ return;
+ }
+
+ msg = CtdlFetchMessage(msgnum);
+ if (msg == NULL) {
+ cprintf("%d Message %ld not found.\n",
+ ERROR+ILLEGAL_VALUE,
+ (long)msgnum
+ );
+ return;
+ }
+
+ memset(&ird, 0, sizeof ird);
+ strcpy(ird.desired_partnum, partnum);
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_locate_part, /* callback function */
+ NULL, NULL,
+ (void *) &ird, /* user data */
+ 0
+ );
+
+ /* We're done with the incoming message, because we now have a
+ * calendar object in memory.
+ */
+ CtdlFreeMessage(msg);
+
+ /*
+ * Here is the real meat of this function. Handle the event.
+ */
+ if (ird.cal != NULL) {
+ /* Update the user's calendar if necessary */
+ if (!strcasecmp(action, "update")) {
+ ret = ical_update_my_calendar_with_reply(ird.cal);
+ if (ret == 0) {
+ cprintf("%d Your calendar has been updated with this reply.\n",
+ CIT_OK);
+ }
+ else if (ret == 1) {
+ cprintf("%d This event does not exist in your calendar.\n",
+ ERROR + FILE_NOT_FOUND);
+ }
+ else {
+ cprintf("%d An internal error occurred.\n",
+ ERROR + INTERNAL_ERROR);
+ }
+ }
+ else {
+ cprintf("%d This reply has been ignored.\n", CIT_OK);
+ }
+
+ /* Now that we've processed this message, we don't need it
+ * anymore. So delete it. (Maybe make this optional?)
+ */
+ CtdlDeleteMessages(CC->room.QRname, msgnum, "");
+
+ /* Free the memory we allocated and return a response. */
+ icalcomponent_free(ird.cal);
+ ird.cal = NULL;
+ return;
+ }
+ else {
+ cprintf("%d No calendar object found\n", ERROR);
+ return;
+ }
+
+ /* should never get here */
+}
+
+
/*
* Search for a property in both the top level and in a VEVENT subcomponent
*/
}
-/*
- * Helper function for ical_ctdl_is_overlap() to simplify the code when
- * comparing year/month/day. The number doesn't have to be meaningful, only
- * consistent and unique for the supplied y/m/d combination.
- */
-inline int itymd(struct icaltimetype t) {
- return (
- (t.year * 416)
- + (t.month * 32)
- + (t.day)
- );
-}
-
/*
* Check to see if two events overlap. Returns nonzero if they do.
+ * (This function is used in both Citadel and WebCit. If you change it in
+ * one place, change it in the other. Better yet, put it in a library.)
*/
int ical_ctdl_is_overlap(
struct icaltimetype t1start,
/*
* Backend for ical_hunt_for_conflicts()
*/
-void vcard_hunt_for_conflicts_backend(long msgnum, void *data) {
+void ical_hunt_for_conflicts_backend(long msgnum, void *data) {
icalcomponent *cal;
struct CtdlMessage *msg;
struct ical_respond_data ird;
struct icaltimetype t1start, t1end, t2start, t2end;
icalproperty *p;
+ char conflict_event_uid[SIZ];
+ char conflict_event_summary[SIZ];
+ char compare_uid[SIZ];
cal = (icalcomponent *)data;
+ strcpy(compare_uid, "");
+ strcpy(conflict_event_uid, "");
+ strcpy(conflict_event_summary, "");
msg = CtdlFetchMessage(msgnum);
if (msg == NULL) return;
memset(&ird, 0, sizeof ird);
- strcpy(ird.desired_partnum, "1"); /* hopefully it's always 1 */
+ strcpy(ird.desired_partnum, "_HUNT_");
mime_parser(msg->cm_fields['M'],
NULL,
*ical_locate_part, /* callback function */
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);
+ if (p != NULL) {
+ strcpy(compare_uid, icalproperty_get_comment(p));
+ }
+
+ p = ical_ctdl_get_subprop(ird.cal, ICAL_UID_PROPERTY);
+ if (p != NULL) {
+ strcpy(conflict_event_uid, icalproperty_get_comment(p));
+ }
+
+ p = ical_ctdl_get_subprop(ird.cal, ICAL_SUMMARY_PROPERTY);
+ if (p != NULL) {
+ strcpy(conflict_event_summary, icalproperty_get_comment(p));
+ }
+
icalcomponent_free(ird.cal);
if (ical_ctdl_is_overlap(t1start, t1end, t2start, t2end)) {
- cprintf("%ld|FIXME put more here\n",
- msgnum
+ 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
+ )
);
}
}
* with this one.
*/
void ical_hunt_for_conflicts(icalcomponent *cal) {
- char hold_rm[ROOMNAMELEN];
+ char hold_rm[ROOMNAMELEN];
- strcpy(hold_rm, CC->quickroom.QRname); /* save current room */
+ strcpy(hold_rm, CC->room.QRname); /* save current room */
- if (getroom(&CC->quickroom, USERCALENDARROOM) != 0) {
- getroom(&CC->quickroom, hold_rm);
+ if (getroom(&CC->room, USERCALENDARROOM) != 0) {
+ getroom(&CC->room, hold_rm);
cprintf("%d You do not have a calendar.\n", ERROR);
return;
- }
+ }
cprintf("%d Conflicting events:\n", LISTING_FOLLOWS);
- CtdlForEachMessage(MSGS_ALL, 0, "text/calendar",
+ CtdlForEachMessage(MSGS_ALL, 0, "text/calendar",
NULL,
- vcard_hunt_for_conflicts_backend,
+ ical_hunt_for_conflicts_backend,
(void *) cal
);
cprintf("000\n");
- getroom(&CC->quickroom, hold_rm); /* return to saved room */
+ getroom(&CC->room, hold_rm); /* return to saved room */
}
+/*
+ * Look for busy time in a VEVENT and add it to the supplied VFREEBUSY.
+ */
+void ical_add_to_freebusy(icalcomponent *fb, icalcomponent *cal) {
+ icalproperty *p;
+ icalvalue *v;
+ struct icalperiodtype my_period;
+
+ if (cal == NULL) return;
+ my_period = icalperiodtype_null_period();
+
+ if (icalcomponent_isa(cal) != ICAL_VEVENT_COMPONENT) {
+ ical_add_to_freebusy(fb,
+ icalcomponent_get_first_component(
+ cal, ICAL_VEVENT_COMPONENT
+ )
+ );
+ return;
+ }
+
+ ical_dezonify(cal);
+
+ /* If this event is not opaque, the user isn't publishing it as
+ * busy time, so don't bother doing anything else.
+ */
+ p = icalcomponent_get_first_property(cal, ICAL_TRANSP_PROPERTY);
+ if (p != NULL) {
+ v = icalproperty_get_value(p);
+ if (v != NULL) {
+ if (icalvalue_get_transp(v) != ICAL_TRANSP_OPAQUE) {
+ return;
+ }
+ }
+ }
+
+ /* Convert the DTSTART and DTEND properties to an icalperiod. */
+ p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
+ if (p != NULL) {
+ my_period.start = 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)
+ );
+
+}
+
+
+
+/*
+ * Backend for ical_freebusy()
+ *
+ * This function simply loads the messages in the user's calendar room,
+ * which contain VEVENTs, then strips them of all non-freebusy data, and
+ * adds them to the supplied VCALENDAR.
+ *
+ */
+void ical_freebusy_backend(long msgnum, void *data) {
+ icalcomponent *cal;
+ struct CtdlMessage *msg;
+ struct ical_respond_data ird;
+
+ cal = (icalcomponent *)data;
+
+ msg = CtdlFetchMessage(msgnum);
+ 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_add_to_freebusy(cal, ird.cal);
+
+ /* Now free the memory. */
+ icalcomponent_free(ird.cal);
+}
+
+
+
+/*
+ * Grab another user's free/busy times
+ */
+void ical_freebusy(char *who) {
+ struct ctdluser usbuf;
+ char calendar_room_name[ROOMNAMELEN];
+ char hold_rm[ROOMNAMELEN];
+ char *serialized_request = NULL;
+ icalcomponent *encaps = NULL;
+ icalcomponent *fb = NULL;
+
+ if (getuser(&usbuf, who) != 0) {
+ cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
+ return;
+ }
+
+ MailboxName(calendar_room_name, sizeof calendar_room_name,
+ &usbuf, USERCALENDARROOM);
+
+ strcpy(hold_rm, CC->room.QRname); /* save current room */
+
+ if (getroom(&CC->room, calendar_room_name) != 0) {
+ cprintf("%d Cannot open calendar\n", ERROR+ROOM_NOT_FOUND);
+ getroom(&CC->room, hold_rm);
+ return;
+ }
+
+ /* Create a VFREEBUSY subcomponent */
+ lprintf(9, "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;
+ }
+
+ lprintf(9, "Adding busy time from events\n");
+ CtdlForEachMessage(MSGS_ALL, 0, "text/calendar",
+ NULL, ical_freebusy_backend, (void *)fb
+ );
+
+ /* Set the method to PUBLISH */
+ icalcomponent_set_method(fb, ICAL_METHOD_PUBLISH);
+
+ /* Set the DTSTAMP to right now. */
+ icalcomponent_set_dtstamp(fb, icaltime_from_timet(time(NULL), 0));
+
+ /* FIXME we still need (at least) DTSTART, DTEND, and the user's
+ * e-mail address as ORGANIZER.
+ */
+
+ /* Put the freebusy component into the calendar component */
+ lprintf(9, "Encapsulating\n");
+ encaps = ical_encapsulate_subcomponent(fb);
+ if (encaps == NULL) {
+ icalcomponent_free(fb);
+ cprintf("%d Internal error: cannot allocate memory.\n",
+ ERROR+INTERNAL_ERROR);
+ getroom(&CC->room, hold_rm);
+ return;
+ }
+
+ /* Set the method to PUBLISH */
+ lprintf(9, "Setting method\n");
+ icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
+
+ /* Serialize it */
+ lprintf(9, "Serializing\n");
+ serialized_request = strdoop(icalcomponent_as_ical_string(encaps));
+ icalcomponent_free(encaps); /* Don't need this anymore. */
+
+ cprintf("%d Here is the free/busy data:\n", LISTING_FOLLOWS);
+ if (serialized_request != NULL) {
+ client_write(serialized_request, strlen(serialized_request));
+ phree(serialized_request);
+ }
+ cprintf("\n000\n");
+
+ /* Go back to the room from which we came... */
+ getroom(&CC->room, hold_rm);
+}
+
+
+
/*
* All Citadel calendar commands from the client come through here.
long msgnum;
char partnum[SIZ];
char action[SIZ];
-
- if (CtdlAccessCheck(ac_logged_in)) return;
+ char who[SIZ];
extract(subcmd, argbuf, 0);
+ /* Allow "test" and "freebusy" subcommands without logging in. */
+
if (!strcmp(subcmd, "test")) {
cprintf("%d This server supports calendaring\n", CIT_OK);
return;
}
- else if (!strcmp(subcmd, "respond")) {
+ if (!strcmp(subcmd, "freebusy")) {
+ extract(who, argbuf, 1);
+ ical_freebusy(who);
+ return;
+ }
+
+ if (CtdlAccessCheck(ac_logged_in)) return;
+
+ if (!strcmp(subcmd, "respond")) {
msgnum = extract_long(argbuf, 1);
extract(partnum, argbuf, 2);
extract(action, argbuf, 3);
ical_respond(msgnum, partnum, action);
+ return;
}
- else if (!strcmp(subcmd, "conflicts")) {
+ if (!strcmp(subcmd, "handle_rsvp")) {
msgnum = extract_long(argbuf, 1);
extract(partnum, argbuf, 2);
- ical_conflicts(msgnum, partnum);
+ extract(action, argbuf, 3);
+ ical_handle_rsvp(msgnum, partnum, action);
+ return;
}
- else {
- cprintf("%d Invalid subcommand\n", ERROR+CMD_NOT_SUPPORTED);
+ if (!strcmp(subcmd, "conflicts")) {
+ msgnum = extract_long(argbuf, 1);
+ extract(partnum, argbuf, 2);
+ ical_conflicts(msgnum, partnum);
return;
}
- /* should never get here */
+ cprintf("%d Invalid subcommand\n", ERROR+CMD_NOT_SUPPORTED);
}
-#endif /* HAVE_ICAL_H */
/*
*/
void ical_create_room(void)
{
- struct quickroom qr;
+ struct ctdlroom qr;
struct visit vbuf;
/* Create the calendar room if it doesn't already exist */
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
+ qr.QRdefaultview = 3; /* 3 = calendar view */
lputroom(&qr);
/* Set the view to a calendar view */
- CtdlGetRelationship(&vbuf, &CC->usersupp, &qr);
+ CtdlGetRelationship(&vbuf, &CC->user, &qr);
vbuf.v_view = 3; /* 3 = calendar */
- CtdlSetRelationship(&vbuf, &CC->usersupp, &qr);
+ CtdlSetRelationship(&vbuf, &CC->user, &qr);
/* Create the tasks list room if it doesn't already exist */
create_room(USERTASKSROOM, 4, "", 0, 1, 0);
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
+ qr.QRdefaultview = 4; /* 4 = tasks view */
lputroom(&qr);
/* Set the view to a task list view */
- CtdlGetRelationship(&vbuf, &CC->usersupp, &qr);
+ CtdlGetRelationship(&vbuf, &CC->user, &qr);
vbuf.v_view = 4; /* 4 = tasks */
- CtdlSetRelationship(&vbuf, &CC->usersupp, &qr);
+ CtdlSetRelationship(&vbuf, &CC->user, &qr);
return;
}
-/* See if we need to prevent the object from being saved */
+/*
+ * ical_send_out_invitations() is called by ical_saving_vevent() when it
+ * finds a VEVENT.
+ */
+void ical_send_out_invitations(icalcomponent *cal) {
+ icalcomponent *the_request = NULL;
+ char *serialized_request = NULL;
+ icalcomponent *encaps = NULL;
+ char *request_message_text = NULL;
+ struct CtdlMessage *msg = NULL;
+ struct recptypes *valid = NULL;
+ char attendees_string[SIZ];
+ int num_attendees = 0;
+ char this_attendee[SIZ];
+ icalproperty *attendee = NULL;
+ char summary_string[SIZ];
+ icalproperty *summary = NULL;
+
+ if (cal == NULL) {
+ lprintf(3, "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(
+ icalcomponent_get_first_component(
+ cal, ICAL_VEVENT_COMPONENT
+ )
+ );
+ return;
+ }
+
+ /* Clone the event */
+ the_request = icalcomponent_new_clone(cal);
+ if (the_request == NULL) {
+ lprintf(3, "ERROR: cannot clone calendar object\n");
+ return;
+ }
+
+ /* Extract the summary string -- we'll use it as the
+ * message subject for the request
+ */
+ strcpy(summary_string, "Meeting request");
+ summary = icalcomponent_get_first_property(the_request, ICAL_SUMMARY_PROPERTY);
+ if (summary != NULL) {
+ if (icalproperty_get_summary(summary)) {
+ strcpy(summary_string,
+ icalproperty_get_summary(summary) );
+ }
+ }
+
+ /* Determine who the recipients of this message are (the attendees) */
+ strcpy(attendees_string, "");
+ for (attendee = icalcomponent_get_first_property(the_request, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(the_request, ICAL_ATTENDEE_PROPERTY)) {
+ if (icalproperty_get_attendee(attendee)) {
+ strcpy(this_attendee, icalproperty_get_attendee(attendee) );
+ if (!strncasecmp(this_attendee, "MAILTO:", 7)) {
+ strcpy(this_attendee, &this_attendee[7]);
+ snprintf(&attendees_string[strlen(attendees_string)],
+ sizeof(attendees_string) - strlen(attendees_string),
+ "%s, ",
+ this_attendee
+ );
+ ++num_attendees;
+ }
+ }
+ }
+
+ lprintf(9, "<%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!
+ */
+ if (num_attendees == 0) {
+ icalcomponent_free(the_request);
+ return;
+ }
+
+ /* Encapsulate the VEVENT component into a complete VCALENDAR */
+ encaps = icalcomponent_new_vcalendar();
+ if (encaps == NULL) {
+ lprintf(3, "Error at %s:%d - could not allocate component!\n",
+ __FILE__, __LINE__);
+ icalcomponent_free(the_request);
+ return;
+ }
+
+ /* Set the Product ID */
+ icalcomponent_add_property(encaps, icalproperty_new_prodid(PRODID));
+
+ /* Set the Version Number */
+ icalcomponent_add_property(encaps, icalproperty_new_version("2.0"));
+
+ /* 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);
+
+ /* Here we go: put 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 = strdoop(icalcomponent_as_ical_string(encaps));
+ icalcomponent_free(encaps); /* Don't need this anymore. */
+ if (serialized_request == NULL) return;
+
+ request_message_text = mallok(strlen(serialized_request) + SIZ);
+ if (request_message_text != NULL) {
+ sprintf(request_message_text,
+ "Content-type: text/calendar\r\n\r\n%s\r\n",
+ serialized_request
+ );
+
+ msg = CtdlMakeMessage(&CC->user,
+ "", /* No single recipient here */
+ CC->room.QRname, 0, FMT_RFC822,
+ "",
+ summary_string, /* Use summary for subject */
+ request_message_text);
+
+ if (msg != NULL) {
+ valid = validate_recipients(attendees_string);
+ CtdlSubmitMsg(msg, valid, "");
+ CtdlFreeMessage(msg);
+ }
+ }
+ phree(serialized_request);
+}
+
+
+/*
+ * When a calendar object is being saved, determine whether it's a VEVENT
+ * and the user saving it is the organizer. If so, send out invitations
+ * to any listed attendees.
+ *
+ */
+void ical_saving_vevent(icalcomponent *cal) {
+ icalcomponent *c;
+ icalproperty *organizer = NULL;
+ char organizer_string[SIZ];
+
+ /* Don't send out invitations if we've been asked not to. */
+ lprintf(9, "CIT_ICAL->avoid_sending_invitations = %d\n",
+ CIT_ICAL->avoid_sending_invitations);
+ if (CIT_ICAL->avoid_sending_invitations > 0) {
+ return;
+ }
+
+ strcpy(organizer_string, "");
+ /*
+ * The VEVENT subcomponent is the one we're interested in.
+ * Send out invitations if, and only if, this user is the Organizer.
+ */
+ if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
+ organizer = icalcomponent_get_first_property(cal,
+ ICAL_ORGANIZER_PROPERTY);
+ if (organizer != NULL) {
+ if (icalproperty_get_organizer(organizer)) {
+ strcpy(organizer_string,
+ icalproperty_get_organizer(organizer));
+ }
+ }
+ if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
+ strcpy(organizer_string, &organizer_string[7]);
+ striplt(organizer_string);
+ /*
+ * If the user saving the event is listed as the
+ * organizer, then send out invitations.
+ */
+ if (CtdlIsMe(organizer_string)) {
+ ical_send_out_invitations(cal);
+ }
+ }
+ }
+
+ /* If the component has subcomponents, recurse through them. */
+ for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
+ (c != NULL);
+ c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
+ /* Recursively process subcomponent */
+ ical_saving_vevent(c);
+ }
+
+}
+
+
+
+/*
+ * Back end for ical_obj_beforesave()
+ * This hunts for the UID of the calendar event (becomes Citadel msg EUID),
+ * the summary of the event (becomes message subject),
+ * and the start time (becomes message date/time).
+ */
+void ical_ctdl_set_extended_msgid(char *name, char *filename, char *partnum,
+ char *disp, void *content, char *cbtype, size_t length,
+ char *encoding, void *cbuserdata)
+{
+ icalcomponent *cal;
+ icalproperty *p;
+ struct icalmessagemod *imm;
+
+ imm = (struct icalmessagemod *)cbuserdata;
+
+ /* If this is a text/calendar object, hunt for the UID and drop it in
+ * the "user data" pointer for the MIME parser. When
+ * ical_obj_beforesave() sees it there, it'll set the Extended msgid
+ * to that string.
+ */
+ if (!strcasecmp(cbtype, "text/calendar")) {
+ cal = icalcomponent_new_from_string(content);
+ if (cal != NULL) {
+ if (icalcomponent_isa(cal) == ICAL_VCALENDAR_COMPONENT) {
+ cal = icalcomponent_get_first_component(
+ cal, ICAL_VEVENT_COMPONENT
+ );
+ }
+ }
+ if (cal != NULL) {
+ p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
+ if (p != NULL) {
+ strcpy(imm->uid, icalproperty_get_comment(p));
+ }
+ p = ical_ctdl_get_subprop(cal, ICAL_SUMMARY_PROPERTY);
+ if (p != NULL) {
+ strcpy(imm->subject,
+ icalproperty_get_comment(p));
+ }
+ p = ical_ctdl_get_subprop(cal, ICAL_DTSTART_PROPERTY);
+ if (p != NULL) {
+ imm->dtstart = icaltime_as_timet(icalproperty_get_dtstart(p));
+ }
+ icalcomponent_free(cal);
+ }
+ }
+}
+
+
+
+
+
+/*
+ * See if we need to prevent the object from being saved (we don't allow
+ * MIME types other than text/calendar in the Calendar> room). Also, when
+ * saving an event to the calendar, set the message's Citadel extended 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?)
+ *
+ * We also set the message's Subject to the event summary, and the Date/time to
+ * the event start time.
+ */
int ical_obj_beforesave(struct CtdlMessage *msg)
{
char roomname[ROOMNAMELEN];
char *p;
int a;
-
+ struct icalmessagemod imm;
+
/*
- * Only messages with content-type text/calendar or text/x-calendar
+ * Only messages with content-type text/calendar
* may be saved to Calendar>. If the message is bound for
* Calendar> but doesn't have this content-type, throw an error
* so that the message may not be posted.
*/
/* First determine if this is our room */
- MailboxName(roomname, sizeof roomname, &CC->usersupp, USERCALENDARROOM);
- if (strncmp(roomname, msg->cm_fields['O'], ROOMNAMELEN))
- return 0; /* It's not us... */
+ MailboxName(roomname, sizeof roomname, &CC->user, USERCALENDARROOM);
+ if (strcasecmp(roomname, CC->room.QRname)) {
+ return 0; /* It's not the Calendar room. */
+ }
/* Then determine content-type of the message */
a = strlen(p);
while (--a > 0) {
if (!strncasecmp(p, "Content-Type: ", 14)) { /* Found it */
- if (!strncasecmp(p + 14, "text/x-calendar", 15) ||
- !strncasecmp(p + 14, "text/calendar", 13))
+ if (!strncasecmp(p + 14, "text/calendar", 13)) {
+ memset(&imm, 0, sizeof(struct icalmessagemod));
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_ctdl_set_extended_msgid,
+ NULL, NULL,
+ (void *)&imm,
+ 0
+ );
+ if (strlen(imm.uid) > 0) {
+ if (msg->cm_fields['E'] != NULL) {
+ phree(msg->cm_fields['E']);
+ }
+ msg->cm_fields['E'] = strdoop(imm.uid);
+ }
+ if (strlen(imm.subject) > 0) {
+ if (msg->cm_fields['U'] != NULL) {
+ phree(msg->cm_fields['U']);
+ }
+ msg->cm_fields['U'] = strdoop(imm.subject);
+ }
+ if (imm.dtstart > 0) {
+ if (msg->cm_fields['T'] != NULL) {
+ phree(msg->cm_fields['T']);
+ }
+ msg->cm_fields['T'] = strdoop("000000000000000000");
+ sprintf(msg->cm_fields['T'], "%ld", imm.dtstart);
+ }
return 0;
- else
+ }
+ else {
return 1;
+ }
}
p++;
}
}
+/*
+ * Things we need to do after saving a calendar event.
+ */
+void ical_obj_aftersave_backend(char *name, char *filename, char *partnum,
+ char *disp, void *content, char *cbtype, size_t length,
+ char *encoding, void *cbuserdata)
+{
+ icalcomponent *cal;
+
+ /* If this is a text/calendar object, hunt for the UID and drop it in
+ * the "user data" pointer for the MIME parser. When
+ * ical_obj_beforesave() sees it there, it'll set the Extended msgid
+ * to that string.
+ */
+ if (!strcasecmp(cbtype, "text/calendar")) {
+ cal = icalcomponent_new_from_string(content);
+ if (cal != NULL) {
+ ical_saving_vevent(cal);
+ icalcomponent_free(cal);
+ }
+ }
+}
+
+
+/*
+ * Things we need to do after saving a calendar event.
+ */
+int ical_obj_aftersave(struct CtdlMessage *msg)
+{
+ char roomname[ROOMNAMELEN];
+ char *p;
+ int a;
+
+ /*
+ * If this isn't the Calendar> room, no further action is necessary.
+ */
-/* Register this module with the Citadel server. */
-char *Dynamic_Module_Init(void)
+ /* First determine if this is our room */
+ MailboxName(roomname, sizeof roomname, &CC->user, USERCALENDARROOM);
+ if (strcasecmp(roomname, CC->room.QRname)) {
+ return 0; /* It's not the Calendar room. */
+ }
+
+ /* Then determine content-type of the message */
+
+ /* It must be an RFC822 message! */
+ /* FIXME: Not handling MIME multipart messages; implement with IMIP */
+ if (msg->cm_format_type != 4) return(1);
+
+ /* Find the Content-Type: header */
+ p = msg->cm_fields['M'];
+ a = strlen(p);
+ while (--a > 0) {
+ if (!strncasecmp(p, "Content-Type: ", 14)) { /* Found it */
+ if (!strncasecmp(p + 14, "text/calendar", 13)) {
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_obj_aftersave_backend,
+ NULL, NULL,
+ NULL,
+ 0
+ );
+ return 0;
+ }
+ else {
+ return 1;
+ }
+ }
+ p++;
+ }
+
+ /* Oops! No Content-Type in this message! How'd that happen? */
+ lprintf(7, "RFC822 message with no Content-Type header!\n");
+ return 1;
+}
+
+
+void ical_session_startup(void) {
+ CtdlAllocUserData(SYM_CIT_ICAL, sizeof(struct cit_ical));
+ memset(CIT_ICAL, 0, sizeof(struct cit_ical));
+}
+
+
+#endif /* CITADEL_WITH_CALENDAR_SERVICE */
+
+/*
+ * Register this module with the Citadel server.
+ */
+char *serv_calendar_init(void)
{
+#ifdef CITADEL_WITH_CALENDAR_SERVICE
+ SYM_CIT_ICAL = CtdlGetDynamicSymbol();
CtdlRegisterMessageHook(ical_obj_beforesave, EVT_BEFORESAVE);
-#ifdef HAVE_ICAL_H
+ 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);
#endif
return "$Id$";
}
projects / citadel.git / blobdiff