*
*/
+#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 "tools.h"
#include "msgbase.h"
#include "mime_parser.h"
+#include "serv_calendar.h"
-
-#ifdef HAVE_ICAL_H
+#ifdef CITADEL_WITH_CALENDAR_SERVICE
#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;
/*
* Write a calendar object into the specified user's calendar room.
*/
void ical_write_to_cal(struct usersupp *u, icalcomponent *cal) {
- char temp[PATH_MAX];
- FILE *fp;
+ char temp[PATH_MAX];
+ FILE *fp;
char *ser;
- 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.
+ /* 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);
}
}
if (strcasecmp(partnum, ird->desired_partnum)) return;
ird->cal = icalcomponent_new_from_string(content);
+ if (ird->cal != NULL) {
+ ical_dezonify(ird->cal);
+ }
}
}
+/*
+ * 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->quickroom.QRname); /* save current room */
+
+ if (getroom(&CC->quickroom, USERCALENDARROOM) != 0) {
+ getroom(&CC->quickroom, 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->quickroom, 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->usersupp, 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->usersupp,
+ "", /* 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. FIXME uncomment this when ready!
+ */
+ CtdlDeleteMessages(CC->quickroom.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
*/
* 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->quickroom.QRname); /* save current room */
- if (getroom(&CC->quickroom, USERCALENDARROOM) != 0) {
- getroom(&CC->quickroom, hold_rm);
+ if (getroom(&CC->quickroom, USERCALENDARROOM) != 0) {
+ getroom(&CC->quickroom, 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,
ical_hunt_for_conflicts_backend,
(void *) cal
);
cprintf("000\n");
- getroom(&CC->quickroom, hold_rm); /* return to saved room */
+ getroom(&CC->quickroom, hold_rm); /* return to saved room */
}
ical_respond(msgnum, partnum, action);
}
+ else if (!strcmp(subcmd, "handle_rsvp")) {
+ msgnum = extract_long(argbuf, 1);
+ extract(partnum, argbuf, 2);
+ extract(action, argbuf, 3);
+ ical_handle_rsvp(msgnum, partnum, action);
+ }
+
else if (!strcmp(subcmd, "conflicts")) {
msgnum = extract_long(argbuf, 1);
extract(partnum, argbuf, 2);
* finds a VEVENT.
*/
void ical_send_out_invitations(icalcomponent *cal) {
- lprintf(9, "ORGANIZER IS ME! Sending out invitations!\n");
- /** FIXME ** Now go and implement this. **/
+ icalcomponent *the_request = NULL;
+ char *serialized_request = 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;
+ icalcomponent *encaps = NULL;
+
+ if (cal == NULL) {
+ lprintf(3, "ERROR: trying to reply to NULL event?\n");
+ 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(ICAL_VCALENDAR_COMPONENT);
+ 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->usersupp,
+ "", /* No single recipient here */
+ CC->quickroom.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);
}
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.
/*
* Back end for ical_obj_beforesave()
- * This hunts for the UID of the calendar event.
+ * 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,
{
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
if (cal != NULL) {
p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
if (p != NULL) {
- strcpy((char *)cbuserdata,
- icalproperty_get_comment(p)
- );
+ 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));
}
- ical_saving_vevent(cal);
icalcomponent_free(cal);
}
}
* 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;
- char eidbuf[SIZ];
+ struct icalmessagemod imm;
/*
* Only messages with content-type text/calendar
while (--a > 0) {
if (!strncasecmp(p, "Content-Type: ", 14)) { /* Found it */
if (!strncasecmp(p + 14, "text/calendar", 13)) {
- strcpy(eidbuf, "");
+ memset(&imm, 0, sizeof(struct icalmessagemod));
mime_parser(msg->cm_fields['M'],
NULL,
*ical_ctdl_set_extended_msgid,
NULL, NULL,
- (void *)eidbuf,
+ (void *)&imm,
0
);
- if (strlen(eidbuf) > 0) {
+ if (strlen(imm.uid) > 0) {
if (msg->cm_fields['E'] != NULL) {
phree(msg->cm_fields['E']);
}
- msg->cm_fields['E'] = strdoop(eidbuf);
+ 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;
}
}
-#endif /* HAVE_ICAL_H */
+/*
+ * 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.
+ */
+
+ /* First determine if this is our room */
+ MailboxName(roomname, sizeof roomname, &CC->usersupp, USERCALENDARROOM);
+ if (strcasecmp(roomname, CC->quickroom.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) {
+ SYM_CIT_ICAL = CtdlGetDynamicSymbol();
+ 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 *Dynamic_Module_Init(void)
{
-#ifdef HAVE_ICAL_H
+#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);
#endif
return "$Id$";
}
projects / citadel.git / blobdiff