* $Id$
*
* This module implements iCalendar object processing and the Calendar>
- * room on a Citadel/UX server. It handles iCalendar objects using the
+ * room on a Citadel server. It handles iCalendar objects using the
* iTIP protocol. See RFCs 2445 and 2446.
*
*/
#define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
#include "sysdep.h"
+#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <limits.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"
+#include "internet_addressing.h"
+#include "serv_calendar.h"
+#include "euidindex.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];
};
+/*
+ * 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(CTDL_CRIT, "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 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;
+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));
+ CtdlMakeTempFileName(temp, sizeof temp);
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);
}
/*
* 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".
+ * 'action' is the string "accept" or "decline" or "tentative".
*
- * (Sorry about this being more than 80 columns ... there was just
- * no easy way to break it down sensibly.)
*/
void ical_send_a_reply(icalcomponent *request, char *action) {
icalcomponent *the_reply = NULL;
strcpy(summary_string, "Calendar item");
if (request == NULL) {
- lprintf(3, "ERROR: trying to reply to NULL event?\n");
+ lprintf(CTDL_ERR, "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");
+ lprintf(CTDL_ERR, "ERROR: cannot clone request\n");
return;
}
striplt(attendee_string);
recp = validate_recipients(attendee_string);
if (recp != NULL) {
- if (!strcasecmp(recp->recp_local, CC->usersupp.fullname)) {
+ if (!strcasecmp(recp->recp_local, CC->user.fullname)) {
if (me_attend) icalproperty_free(me_attend);
me_attend = icalproperty_new_clone(attendee);
}
- phree(recp);
+ free(recp);
}
}
}
icalproperty_get_summary(summary) );
}
}
-
}
/* Now generate the reply message and send it out. */
- serialized_reply = strdoop(icalcomponent_as_ical_string(the_reply));
+ serialized_reply = strdup(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);
+ reply_message_text = malloc(strlen(serialized_reply) + SIZ);
if (reply_message_text != NULL) {
sprintf(reply_message_text,
- "Content-type: text/calendar\r\n\r\n%s\r\n",
+ "Content-type: text/calendar charset=\"utf-8\"\r\n\r\n%s\r\n",
serialized_reply
);
- msg = CtdlMakeMessage(&CC->usersupp, organizer_string,
- CC->quickroom.QRname, 0, FMT_RFC822,
+ msg = CtdlMakeMessage(&CC->user,
+ organizer_string, /* to */
+ "", /* cc */
+ CC->room.QRname, 0, FMT_RFC822,
+ "",
"",
summary_string, /* Use summary for subject */
+ NULL,
reply_message_text);
if (msg != NULL) {
CtdlFreeMessage(msg);
}
}
- phree(serialized_reply);
+ free(serialized_reply);
}
* and turns them into calendar objects
*/
void ical_locate_part(char *name, char *filename, char *partnum, char *disp,
- void *content, char *cbtype, size_t length, char *encoding,
+ void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
void *cbuserdata) {
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);
+ }
}
* Respond to a meeting request.
*/
void ical_respond(long msgnum, char *partnum, char *action) {
- struct CtdlMessage *msg;
+ struct CtdlMessage *msg = NULL;
struct ical_respond_data ird;
if (
return;
}
- msg = CtdlFetchMessage(msgnum);
+ msg = CtdlFetchMessage(msgnum, 1);
if (msg == NULL) {
cprintf("%d Message %ld not found.\n",
- ERROR+ILLEGAL_VALUE,
+ ERROR + ILLEGAL_VALUE,
(long)msgnum
);
return;
/* Now that we've processed this message, we don't need it
* anymore. So delete it.
*/
- CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
+ CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "");
/* Free the memory we allocated and return a response. */
icalcomponent_free(ird.cal);
return;
}
else {
- cprintf("%d No calendar object found\n", ERROR);
+ cprintf("%d No calendar object found\n", ERROR + ROOM_NOT_FOUND);
+ return;
+ }
+
+ /* should never get here */
+}
+
+
+/*
+ * 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, char *cbcharset, 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.)
+ */
+ icalcomponent_remove_property(event, e_attendee);
+ icalproperty_free(e_attendee);
+ icalcomponent_remove_property(reply, r_attendee);
+ icalcomponent_add_property(event, r_attendee);
+
+ /* 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 *msg = NULL;
+ 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(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");
+ 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
+ * 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);
+ 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, 1);
+ 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(CTDL_ERR, "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 = strdup(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 = 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",
+ serialized_event
+ );
+
+ msg = CtdlMakeMessage(&CC->user,
+ "", /* No recipient */
+ "", /* No recipient */
+ roomname,
+ 0, FMT_RFC822,
+ "",
+ "",
+ "", /* no subject */
+ NULL,
+ message_text);
+
+ if (msg != NULL) {
+ CIT_ICAL->avoid_sending_invitations = 1;
+ CtdlSubmitMsg(msg, NULL, roomname);
+ CtdlFreeMessage(msg);
+ CIT_ICAL->avoid_sending_invitations = 0;
+ }
+ }
+ free(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 = NULL;
+ 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, 1);
+ 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, 1, "");
+
+ /* 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 + ROOM_NOT_FOUND);
return;
}
/*
* 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,
*/
void ical_hunt_for_conflicts_backend(long msgnum, void *data) {
icalcomponent *cal;
- struct CtdlMessage *msg;
+ struct CtdlMessage *msg = NULL;
struct ical_respond_data ird;
struct icaltimetype t1start, t1end, t2start, t2end;
icalproperty *p;
strcpy(conflict_event_uid, "");
strcpy(conflict_event_summary, "");
- msg = CtdlFetchMessage(msgnum);
+ msg = CtdlFetchMessage(msgnum, 1);
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 */
strcpy(conflict_event_summary, icalproperty_get_comment(p));
}
-
icalcomponent_free(ird.cal);
if (ical_ctdl_is_overlap(t1start, t1end, t2start, t2end)) {
* 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);
- cprintf("%d You do not have a calendar.\n", ERROR);
+ if (getroom(&CC->room, USERCALENDARROOM) != 0) {
+ getroom(&CC->room, hold_rm);
+ cprintf("%d You do not have a calendar.\n", ERROR + ROOM_NOT_FOUND);
return;
- }
+ }
cprintf("%d Conflicting events:\n", LISTING_FOLLOWS);
- CtdlForEachMessage(MSGS_ALL, 0, "text/calendar",
+ CtdlForEachMessage(MSGS_ALL, 0, NULL,
+ NULL,
NULL,
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 */
}
* Hunt for conflicts (Phase 1 -- retrieve the object and call Phase 2)
*/
void ical_conflicts(long msgnum, char *partnum) {
- struct CtdlMessage *msg;
+ struct CtdlMessage *msg = NULL;
struct ical_respond_data ird;
- msg = CtdlFetchMessage(msgnum);
+ msg = CtdlFetchMessage(msgnum, 1);
if (msg == NULL) {
cprintf("%d Message %ld not found.\n",
- ERROR+ILLEGAL_VALUE,
+ ERROR + ILLEGAL_VALUE,
(long)msgnum
);
return;
return;
}
else {
- cprintf("%d No calendar object found\n", ERROR);
+ cprintf("%d No calendar object found\n", ERROR + ROOM_NOT_FOUND);
return;
}
-
/*
- * All Citadel calendar commands from the client come through here.
+ * Look for busy time in a VEVENT and add it to the supplied VFREEBUSY.
*/
-void cmd_ical(char *argbuf)
-{
- char subcmd[SIZ];
- long msgnum;
- char partnum[SIZ];
- char action[SIZ];
-
- if (CtdlAccessCheck(ac_logged_in)) return;
+void ical_add_to_freebusy(icalcomponent *fb, icalcomponent *cal) {
+ icalproperty *p;
+ icalvalue *v;
+ struct icalperiodtype my_period;
- extract(subcmd, argbuf, 0);
+ if (cal == NULL) return;
+ my_period = icalperiodtype_null_period();
- if (!strcmp(subcmd, "test")) {
- cprintf("%d This server supports calendaring\n", CIT_OK);
+ if (icalcomponent_isa(cal) != ICAL_VEVENT_COMPONENT) {
+ ical_add_to_freebusy(fb,
+ icalcomponent_get_first_component(
+ cal, ICAL_VEVENT_COMPONENT
+ )
+ );
return;
}
- else if (!strcmp(subcmd, "respond")) {
- msgnum = extract_long(argbuf, 1);
- extract(partnum, argbuf, 2);
- extract(action, argbuf, 3);
- ical_respond(msgnum, partnum, action);
- }
+ ical_dezonify(cal);
- else if (!strcmp(subcmd, "conflicts")) {
- msgnum = extract_long(argbuf, 1);
- extract(partnum, argbuf, 2);
- ical_conflicts(msgnum, partnum);
+ /* 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;
+ }
+ }
}
- else {
- cprintf("%d Invalid subcommand\n", ERROR+CMD_NOT_SUPPORTED);
- 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);
}
- /* should never get here */
-}
+ 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) );
+ }
+ else {
+ if (icaltime_compare(
+ icalcomponent_get_dtstart(cal),
+ icalcomponent_get_dtstart(fb)
+ ) < 0) {
+ icalcomponent_set_dtstart(fb,
+ icalcomponent_get_dtstart(cal) );
+ }
+ }
+
+ /* 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) );
+ }
+ else {
+ if (icaltime_compare(
+ icalcomponent_get_dtend(cal),
+ icalcomponent_get_dtend(fb)
+ ) > 0) {
+ icalcomponent_set_dtend(fb,
+ icalcomponent_get_dtend(cal) );
+ }
+ }
+
+}
+
+
+
+/*
+ * 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 = NULL;
+ struct ical_respond_data ird;
+
+ cal = (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_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;
+ int found_user = (-1);
+ struct recptypes *recp = NULL;
+ char buf[256];
+ char host[256];
+ char type[256];
+ int i = 0;
+ int config_lines = 0;
+
+ /* First try an exact match. */
+ found_user = getuser(&usbuf, who);
+
+ /* 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);
+ if (recp != NULL) {
+ if (recp->num_local == 1) {
+ found_user = getuser(&usbuf, recp->recp_local);
+ }
+ free(recp);
+ }
+ }
+
+ /* If still not found, try it as an address qualified with the
+ * primary FQDN of this Citadel node.
+ */
+ 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);
+ if (recp != NULL) {
+ if (recp->num_local == 1) {
+ found_user = getuser(&usbuf, recp->recp_local);
+ }
+ free(recp);
+ }
+ }
+
+ /* Still not found? Try qualifying it with every domain we
+ * might have addresses in.
+ */
+ if (found_user != 0) {
+ config_lines = num_tokens(inetcfg, '\n');
+ for (i=0; ((i < config_lines) && (found_user != 0)); ++i) {
+ extract_token(buf, inetcfg, i, '\n', sizeof buf);
+ extract_token(host, buf, 0, '|', sizeof host);
+ extract_token(type, buf, 1, '|', sizeof type);
+
+ 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);
+ if (recp != NULL) {
+ if (recp->num_local == 1) {
+ found_user = getuser(&usbuf, recp->recp_local);
+ }
+ free(recp);
+ }
+ }
+ }
+ }
+
+ if (found_user != 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(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;
+ }
+
+ /* 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));
+
+ /* Add the user's email address as ORGANIZER */
+ sprintf(buf, "MAILTO:%s", who);
+ if (strchr(buf, '@') == NULL) {
+ strcat(buf, "@");
+ strcat(buf, config.c_fqdn);
+ }
+ for (i=0; i<strlen(buf); ++i) {
+ if (buf[i]==' ') buf[i] = '_';
+ }
+ icalcomponent_add_property(fb, icalproperty_new_organizer(buf));
+
+ /* Add busy time from events */
+ lprintf(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
+ * to yesterday and tomorrow as default values.
+ */
+ if (icalcomponent_get_first_property(fb, ICAL_DTSTART_PROPERTY) == NULL) {
+ icalcomponent_set_dtstart(fb, icaltime_from_timet(time(NULL)-86400L, 0));
+ }
+ if (icalcomponent_get_first_property(fb, ICAL_DTEND_PROPERTY) == NULL) {
+ icalcomponent_set_dtend(fb, icaltime_from_timet(time(NULL)+86400L, 0));
+ }
+
+ /* Put the freebusy component into the calendar component */
+ lprintf(CTDL_DEBUG, "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(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));
+ 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));
+ free(serialized_request);
+ }
+ cprintf("\n000\n");
+
+ /* Go back to the room from which we came... */
+ getroom(&CC->room, hold_rm);
+}
+
+
+
+/*
+ * Backend for ical_getics()
+ *
+ * This is a ForEachMessage() callback function that searches the current room
+ * for calendar events and adds them each into one big calendar component.
+ */
+void ical_getics_backend(long msgnum, void *data) {
+ icalcomponent *encaps, *c;
+ struct CtdlMessage *msg = NULL;
+ struct ical_respond_data ird;
+
+ encaps = (icalcomponent *)data;
+ if (encaps == NULL) return;
+
+ /* Look for the calendar event... */
+
+ 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;
+
+ /* 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".
+ */
+
+ /* If the top-level component is *not* a VCALENDAR, we can drop it right
+ * in. This will almost never happen.
+ */
+ if (icalcomponent_isa(ird.cal) != ICAL_VCALENDAR_COMPONENT) {
+ icalcomponent_add_component(encaps, ird.cal);
+ }
+ /*
+ * In the more likely event that we're looking at a VCALENDAR with the VEVENT
+ * and other components encapsulated inside, we have to extract them.
+ */
+ else {
+ 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));
+ }
+ icalcomponent_free(ird.cal);
+ }
+}
+
+
+
+/*
+ * Retrieve all of the calendar items in the current room, and output them
+ * as a single icalendar object.
+ */
+void ical_getics(void)
+{
+ icalcomponent *encaps = NULL;
+ char *ser = NULL;
+
+ 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 */
+ }
+
+ encaps = icalcomponent_new_vcalendar();
+ if (encaps == NULL) {
+ lprintf(CTDL_DEBUG, "Error at %s:%d - could not allocate component!\n",
+ __FILE__, __LINE__);
+ cprintf("%d Could not allocate memory\n", ERROR+INTERNAL_ERROR);
+ return;
+ }
+
+ cprintf("%d one big calendar\n", LISTING_FOLLOWS);
+
+ /* 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_PUBLISH);
+
+ /* Now go through the room encapsulating all calendar items. */
+ CtdlForEachMessage(MSGS_ALL, 0, NULL,
+ NULL,
+ NULL,
+ ical_getics_backend,
+ (void *) encaps
+ );
+
+ ser = strdup(icalcomponent_as_ical_string(encaps));
+ client_write(ser, strlen(ser));
+ free(ser);
+ cprintf("\n000\n");
+ icalcomponent_free(encaps); /* Don't need this anymore. */
+
+}
+
+
+/*
+ * Delete all of the calendar items in the current room, and replace them
+ * with calendar items from a client-supplied data stream.
+ */
+void ical_putics(void)
+{
+ char *calstream = NULL;
+ icalcomponent *cal;
+ icalcomponent *c;
+
+ 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 */
+ }
+
+ 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);
+ 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
+ * the entire calendar with an entire new (or updated) calendar.
+ * (Careful: this opens an S_ROOMS critical section!)
+ */
+ CtdlDeleteMessages(CC->room.QRname, NULL, 0, "");
+
+ /* If the top-level component is *not* a VCALENDAR, we can drop it right
+ * in. This will almost never happen.
+ */
+ if (icalcomponent_isa(cal) != ICAL_VCALENDAR_COMPONENT) {
+ ical_write_to_cal(&CC->user, cal);
+ }
+ /*
+ * In the more likely event that we're looking at a VCALENDAR with the VEVENT
+ * and other components encapsulated inside, we have to extract them.
+ */
+ else {
+ 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(&CC->user, c);
+ }
+ }
+
+ icalcomponent_free(cal);
+}
+
+
+/*
+ * All Citadel calendar commands from the client come through here.
+ */
+void cmd_ical(char *argbuf)
+{
+ char subcmd[64];
+ long msgnum;
+ char partnum[256];
+ char action[256];
+ char who[256];
+
+ extract_token(subcmd, argbuf, 0, '|', sizeof subcmd);
+
+ /* Allow "test" and "freebusy" subcommands without logging in. */
+
+ if (!strcasecmp(subcmd, "test")) {
+ cprintf("%d This server supports calendaring\n", CIT_OK);
+ return;
+ }
+
+ if (!strcasecmp(subcmd, "freebusy")) {
+ extract_token(who, argbuf, 1, '|', sizeof who);
+ ical_freebusy(who);
+ return;
+ }
+
+ if (!strcasecmp(subcmd, "sgi")) {
+ CIT_ICAL->server_generated_invitations =
+ (extract_int(argbuf, 1) ? 1 : 0) ;
+ cprintf("%d %d\n",
+ CIT_OK, CIT_ICAL->server_generated_invitations);
+ return;
+ }
+
+ if (CtdlAccessCheck(ac_logged_in)) return;
+
+ if (!strcasecmp(subcmd, "respond")) {
+ msgnum = extract_long(argbuf, 1);
+ extract_token(partnum, argbuf, 2, '|', sizeof partnum);
+ extract_token(action, argbuf, 3, '|', sizeof action);
+ ical_respond(msgnum, partnum, action);
+ return;
+ }
+
+ if (!strcasecmp(subcmd, "handle_rsvp")) {
+ msgnum = extract_long(argbuf, 1);
+ extract_token(partnum, argbuf, 2, '|', sizeof partnum);
+ extract_token(action, argbuf, 3, '|', sizeof action);
+ ical_handle_rsvp(msgnum, partnum, action);
+ return;
+ }
+
+ if (!strcasecmp(subcmd, "conflicts")) {
+ msgnum = extract_long(argbuf, 1);
+ extract_token(partnum, argbuf, 2, '|', sizeof partnum);
+ ical_conflicts(msgnum, partnum);
+ return;
+ }
+
+ if (!strcasecmp(subcmd, "getics")) {
+ ical_getics();
+ return;
+ }
+
+ if (!strcasecmp(subcmd, "putics")) {
+ ical_putics();
+ return;
+ }
+
+ cprintf("%d Invalid subcommand\n", ERROR + CMD_NOT_SUPPORTED);
+}
*/
void ical_create_room(void)
{
- struct quickroom qr;
+ struct ctdlroom qr;
struct visit vbuf;
/* Create the calendar room if it doesn't already exist */
- create_room(USERCALENDARROOM, 4, "", 0, 1, 0);
+ create_room(USERCALENDARROOM, 4, "", 0, 1, 0, VIEW_CALENDAR);
/* Set expiration policy to manual; otherwise objects will be lost! */
if (lgetroom(&qr, USERCALENDARROOM)) {
- lprintf(3, "Couldn't get the user calendar room!\n");
+ lprintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
+ qr.QRdefaultview = VIEW_CALENDAR; /* 3 = calendar view */
lputroom(&qr);
/* Set the view to a calendar view */
- CtdlGetRelationship(&vbuf, &CC->usersupp, &qr);
- vbuf.v_view = 3; /* 3 = calendar */
- CtdlSetRelationship(&vbuf, &CC->usersupp, &qr);
+ CtdlGetRelationship(&vbuf, &CC->user, &qr);
+ vbuf.v_view = VIEW_CALENDAR;
+ CtdlSetRelationship(&vbuf, &CC->user, &qr);
/* Create the tasks list room if it doesn't already exist */
- create_room(USERTASKSROOM, 4, "", 0, 1, 0);
+ create_room(USERTASKSROOM, 4, "", 0, 1, 0, VIEW_TASKS);
/* Set expiration policy to manual; otherwise objects will be lost! */
if (lgetroom(&qr, USERTASKSROOM)) {
- lprintf(3, "Couldn't get the user calendar room!\n");
+ lprintf(CTDL_CRIT, "Couldn't get the user calendar room!\n");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
+ qr.QRdefaultview = VIEW_TASKS;
lputroom(&qr);
/* Set the view to a task list view */
- CtdlGetRelationship(&vbuf, &CC->usersupp, &qr);
- vbuf.v_view = 4; /* 4 = tasks */
- CtdlSetRelationship(&vbuf, &CC->usersupp, &qr);
+ CtdlGetRelationship(&vbuf, &CC->user, &qr);
+ vbuf.v_view = VIEW_TASKS;
+ CtdlSetRelationship(&vbuf, &CC->user, &qr);
+
+ /* Create the notes room if it doesn't already exist */
+ create_room(USERNOTESROOM, 4, "", 0, 1, 0, VIEW_NOTES);
+
+ /* 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");
+ return;
+ }
+ qr.QRep.expire_mode = EXPIRE_MANUAL;
+ qr.QRdefaultview = VIEW_NOTES;
+ lputroom(&qr);
+
+ /* Set the view to a notes view */
+ CtdlGetRelationship(&vbuf, &CC->user, &qr);
+ vbuf.v_view = VIEW_NOTES;
+ CtdlSetRelationship(&vbuf, &CC->user, &qr);
return;
}
/*
* ical_send_out_invitations() is called by ical_saving_vevent() when it
- * finds a VEVENT. FIXME ... finish implementing.
+ * 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];
- char this_attendee[SIZ];
+ int num_attendees = 0;
+ char this_attendee[256];
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");
+ lprintf(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(
+ 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");
+ lprintf(CTDL_ERR, "ERROR: cannot clone calendar object\n");
return;
}
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) );
+ safestrncpy(this_attendee, icalproperty_get_attendee(attendee), sizeof this_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
- );
+
+ if (!CtdlIsMe(this_attendee, sizeof this_attendee)) { /* don't send an invitation to myself! */
+ snprintf(&attendees_string[strlen(attendees_string)],
+ sizeof(attendees_string) - strlen(attendees_string),
+ "%s, ",
+ this_attendee
+ );
+ ++num_attendees;
+ }
}
}
}
- lprintf(9, "attendees_string: <%s>\n", attendees_string);
+ lprintf(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!
+ */
+ if (num_attendees == 0) {
+ icalcomponent_free(the_request);
+ return;
+ }
/* Encapsulate the VEVENT component into a complete VCALENDAR */
- encaps = icalcomponent_new(ICAL_VCALENDAR_COMPONENT);
+ encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- lprintf(3, "Error at %s:%d - could not allocate component!\n",
+ lprintf(CTDL_DEBUG, "Error at %s:%d - could not allocate component!\n",
__FILE__, __LINE__);
icalcomponent_free(the_request);
return;
/* Set the method to REQUEST */
icalcomponent_set_method(encaps, ICAL_METHOD_REQUEST);
- /* FIXME: here we need to insert a VTIMEZONE object. */
+ /* 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
icalcomponent_add_component(encaps, the_request);
/* Serialize it */
- serialized_request = strdoop(icalcomponent_as_ical_string(encaps));
+ serialized_request = strdup(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);
+ request_message_text = malloc(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,
+ msg = CtdlMakeMessage(&CC->user,
+ "", /* No single recipient here */
"", /* No single recipient here */
- CC->quickroom.QRname, 0, FMT_RFC822,
+ CC->room.QRname, 0, FMT_RFC822,
+ "",
"",
summary_string, /* Use summary for subject */
+ NULL,
request_message_text);
if (msg != NULL) {
valid = validate_recipients(attendees_string);
CtdlSubmitMsg(msg, valid, "");
CtdlFreeMessage(msg);
+ free (valid);
}
}
- phree(serialized_request);
+ free(serialized_request);
}
icalproperty *organizer = NULL;
char organizer_string[SIZ];
+ lprintf(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) {
+ return;
+ }
+
+ /* Don't send out invitations if we've been asked not to. */
+ if (CIT_ICAL->avoid_sending_invitations > 0) {
+ return;
+ }
+
strcpy(organizer_string, "");
/*
* The VEVENT subcomponent is the one we're interested in.
* If the user saving the event is listed as the
* organizer, then send out invitations.
*/
- if (CtdlIsMe(organizer_string)) {
+ if (CtdlIsMe(organizer_string, sizeof organizer_string)) {
ical_send_out_invitations(cal);
}
}
/*
* 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,
+void ical_ctdl_set_exclusive_msgid(char *name, char *filename, char *partnum,
+ char *disp, void *content, char *cbtype, char *cbcharset, size_t length,
char *encoding, void *cbuserdata)
{
- icalcomponent *cal;
+ icalcomponent *cal, *nested_event, *nested_todo, *whole_cal;
icalproperty *p;
+ struct icalmessagemod *imm;
+ char new_uid[SIZ];
- /* If this is a text/calendar object, hunt for the UID and drop it in
+ imm = (struct icalmessagemod *)cbuserdata;
+
+ /* We're only interested in calendar data. */
+ if (strcasecmp(cbtype, "text/calendar")) {
+ return;
+ }
+
+ /* 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
+ * ical_obj_beforesave() sees it there, it'll set the Exclusive msgid
* to that string.
*/
- if (!strcasecmp(cbtype, "text/calendar")) {
- cal = icalcomponent_new_from_string(content);
+ whole_cal = icalcomponent_new_from_string(content);
+ cal = whole_cal;
+ if (cal != NULL) {
+ if (icalcomponent_isa(cal) == ICAL_VCALENDAR_COMPONENT) {
+ nested_event = icalcomponent_get_first_component(
+ cal, ICAL_VEVENT_COMPONENT);
+ if (nested_event != NULL) {
+ cal = nested_event;
+ }
+ else {
+ nested_todo = icalcomponent_get_first_component(
+ cal, ICAL_VTODO_COMPONENT);
+ if (nested_todo != NULL) {
+ cal = nested_todo;
+ }
+ }
+ }
+
if (cal != NULL) {
p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
+ if (p == NULL) {
+ /* If there's no uid we must generate one */
+ generate_uuid(new_uid);
+ icalcomponent_add_property(cal, icalproperty_new_uid(new_uid));
+ 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));
}
- icalcomponent_free(cal);
+ 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);
+ if (whole_cal != cal) {
+ icalcomponent_free(whole_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
+ * 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?)
+ *
+ * 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
- * 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 (strcasecmp(roomname, CC->quickroom.QRname)) {
- return 0; /* It's not the Calendar room. */
+ /* 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 */
}
- /* 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; /* You tried to save a non-RFC822 message! */
+ if (msg->cm_format_type != 4) {
+ lprintf(CTDL_DEBUG, "Rejecting non-RFC822 message\n");
+ return(1); /* You tried to save a non-RFC822 message! */
+ }
+
+ if (msg->cm_fields['M'] == NULL) {
+ return(1); /* You tried to save a null message! */
+ }
+
+ memset(&imm, 0, sizeof(struct icalmessagemod));
- /* 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)) {
- strcpy(eidbuf, "");
- mime_parser(msg->cm_fields['M'],
- NULL,
- *ical_ctdl_set_extended_msgid,
- NULL, NULL,
- (void *)eidbuf,
- 0
- );
- if (strlen(eidbuf) > 0) {
- if (msg->cm_fields['E'] != NULL) {
- phree(msg->cm_fields['E']);
- }
- msg->cm_fields['E'] = strdoop(eidbuf);
- }
- return 0;
- }
- else {
- return 1;
- }
+ /* Do all of our lovely back-end parsing */
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_ctdl_set_exclusive_msgid,
+ NULL, NULL,
+ (void *)&imm,
+ 0
+ );
+
+ if (strlen(imm.uid) > 0) {
+ if (msg->cm_fields['E'] != NULL) {
+ free(msg->cm_fields['E']);
}
- p++;
+ msg->cm_fields['E'] = strdup(imm.uid);
+ lprintf(CTDL_DEBUG, "Saving calendar UID <%s>\n", msg->cm_fields['E']);
}
-
- /* Oops! No Content-Type in this message! How'd that happen? */
- lprintf(7, "RFC822 message with no Content-Type header!\n");
- return 1;
+ if (strlen(imm.subject) > 0) {
+ 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);
}
* 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 *disp, void *content, char *cbtype, char *cbcharset, size_t length,
char *encoding, void *cbuserdata)
{
icalcomponent *cal;
- /* If this is a text/calendar object, hunt for the UID and drop it in
+ /* We're only interested in calendar items here. */
+ if (strcasecmp(cbtype, "text/calendar")) {
+ return;
+ }
+
+ /* 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
+ * ical_obj_beforesave() sees it there, it'll set the Exclusive msgid
* to that string.
*/
if (!strcasecmp(cbtype, "text/calendar")) {
/*
* Things we need to do after saving a calendar event.
+ * (This will start back end tasks such as automatic generation of invitations,
+ * if such actions are appropriate.)
*/
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. */
+ MailboxName(roomname, sizeof roomname, &CC->user, USERCALENDARROOM);
+ if (strcasecmp(roomname, CC->room.QRname)) {
+ return(0); /* Not the Calendar room -- don't do anything. */
}
- /* 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);
+
+ /* Reject null messages */
+ if (msg->cm_fields['M'] == NULL) 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;
- }
+ /* Now recurse through it looking for our icalendar data */
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *ical_obj_aftersave_backend,
+ NULL, NULL,
+ NULL,
+ 0
+ );
+
+ return(0);
+}
+
+
+void ical_session_startup(void) {
+ CIT_ICAL = malloc(sizeof(struct cit_ical));
+ memset(CIT_ICAL, 0, sizeof(struct cit_ical));
+}
+
+void ical_session_shutdown(void) {
+ free(CIT_ICAL);
+}
+
+
+/*
+ * Back end for ical_fixed_output()
+ */
+void ical_fixed_output_backend(icalcomponent *cal,
+ int recursion_level
+) {
+ icalcomponent *c;
+ icalproperty *p;
+ char buf[256];
+
+ p = icalcomponent_get_first_property(cal, ICAL_SUMMARY_PROPERTY);
+ if (p != NULL) {
+ cprintf("%s\n", (const char *)icalproperty_get_comment(p));
+ }
+
+ p = icalcomponent_get_first_property(cal, ICAL_LOCATION_PROPERTY);
+ if (p != NULL) {
+ cprintf("%s\n", (const char *)icalproperty_get_comment(p));
+ }
+
+ p = icalcomponent_get_first_property(cal, ICAL_DESCRIPTION_PROPERTY);
+ if (p != NULL) {
+ cprintf("%s\n", (const char *)icalproperty_get_comment(p));
+ }
+
+ /* If the component has attendees, iterate through them. */
+ for (p = icalcomponent_get_first_property(cal, ICAL_ATTENDEE_PROPERTY); (p != NULL); p = icalcomponent_get_next_property(cal, ICAL_ATTENDEE_PROPERTY)) {
+ safestrncpy(buf, icalproperty_get_attendee(p), sizeof buf);
+ if (!strncasecmp(buf, "MAILTO:", 7)) {
+
+ /* screen name or email address */
+ strcpy(buf, &buf[7]);
+ striplt(buf);
+ cprintf("%s ", buf);
}
- p++;
+ cprintf("\n");
}
-
- /* Oops! No Content-Type in this message! How'd that happen? */
- lprintf(7, "RFC822 message with no Content-Type header!\n");
- return 1;
+
+ /* 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_fixed_output_backend(c, recursion_level+1);
+ }
+}
+
+
+
+/*
+ * Function to output vcalendar data as plain text. Nobody uses MSG0
+ * anymore, so really this is just so we expose the vCard data to the full
+ * text indexer.
+ */
+void ical_fixed_output(char *ptr, int len) {
+ icalcomponent *cal;
+ char *stringy_cal;
+
+ stringy_cal = malloc(len + 1);
+ safestrncpy(stringy_cal, ptr, len + 1);
+ cal = icalcomponent_new_from_string(stringy_cal);
+ free(stringy_cal);
+
+ if (cal == NULL) {
+ return;
+ }
+
+ ical_dezonify(cal);
+ ical_fixed_output_backend(cal, 0);
+
+ /* Free the memory we obtained from libical's constructor */
+ icalcomponent_free(cal);
}
-#endif /* HAVE_ICAL_H */
+#endif /* CITADEL_WITH_CALENDAR_SERVICE */
/*
* Register this module with the Citadel server.
*/
-char *Dynamic_Module_Init(void)
+char *serv_calendar_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);
+ CtdlRegisterSessionHook(ical_session_shutdown, EVT_STOP);
+ CtdlRegisterFixedOutputHook("text/calendar", ical_fixed_output);
#endif
return "$Id$";
}
+
+
+
+void serv_calendar_destroy(void)
+{
+#ifdef CITADEL_WITH_CALENDAR_SERVICE
+ icaltimezone_free_builtin_timezones();
+#endif
+}
projects / citadel.git / blobdiff