* room on a Citadel server. It handles iCalendar objects using the
* iTIP protocol. See RFCs 2445 and 2446.
*
- * Copyright (c) 1987-2015 by the citadel.org team
+ * Copyright (c) 1987-2020 by the citadel.org team
*
* This program is open source software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3.
#define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
#include "ctdl_module.h"
-
#include <libical/ical.h>
-
#include "msgbase.h"
#include "internet_addressing.h"
#include "serv_calendar.h"
#include "room_ops.h"
#include "euidindex.h"
-#include "ical_dezonify.h"
+#include "default_timezone.h"
#include "config.h"
-
-
struct ical_respond_data {
char desired_partnum[SIZ];
icalcomponent *cal;
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- syslog(LOG_CRIT, "ERROR: could not allocate component!\n");
+ syslog(LOG_ERR, "calendar: could not allocate component");
return NULL;
}
}
-
-
/*
* Write a calendar object into the specified user's calendar room.
* If the supplied user is NULL, this function writes the calendar object
msg->cm_format_type = 4;
CM_SetField(msg, eAuthor, CCC->user.fullname, strlen(CCC->user.fullname));
CM_SetField(msg, eOriginalRoom, CCC->room.QRname, strlen(CCC->room.QRname));
- CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
- CM_SetField(msg, eHumanNode, CtdlGetConfigStr("c_humannode"), strlen(CtdlGetConfigStr("c_humannode")));
MsgBody = NewStrBufPlain(NULL, serlen + 100);
StrBufAppendBufPlain(MsgBody, HKEY("Content-type: text/calendar\r\n\r\n"), 0);
strcpy(summary_string, "Calendar item");
if (request == NULL) {
- syslog(LOG_ERR, "ERROR: trying to reply to NULL event?\n");
+ syslog(LOG_ERR, "calendar: trying to reply to NULL event");
return;
}
the_reply = icalcomponent_new_clone(request);
if (the_reply == NULL) {
- syslog(LOG_ERR, "ERROR: cannot clone request\n");
+ syslog(LOG_ERR, "calendar: cannot clone request");
return;
}
/* 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);
+ icalproperty_remove_parameter_by_kind(me_attend, ICAL_PARTSTAT_PARAMETER);
if (!strcasecmp(action, "accept")) {
partstat = icalparameter_new_partstat(ICAL_PARTSTAT_ACCEPTED);
}
-
/*
* Callback function for mime parser that hunts for calendar content types
* and turns them into calendar objects. If something is found, it is placed
}
-
-
/*
* Handle an incoming RSVP (object with method==ICAL_METHOD_REPLY) for a
* calendar event. The object has already been deserialized for us; all
/* Figure out just what event it is we're dealing with */
strcpy(uid, "--==<< InVaLiD uId >>==--");
ical_learn_uid_of_reply(uid, cal);
- syslog(LOG_DEBUG, "UID of event being replied to is <%s>\n", uid);
+ syslog(LOG_DEBUG, "calendar: UID of event being replied to is <%s>", uid);
strcpy(hold_rm, CC->room.QRname); /* save current room */
if (CtdlGetRoom(&CC->room, USERCALENDARROOM) != 0) {
CtdlGetRoom(&CC->room, hold_rm);
- syslog(LOG_CRIT, "cannot get user calendar room\n");
+ syslog(LOG_ERR, "calendar: cannot get user calendar room");
return(2);
}
CtdlGetRoom(&CC->room, hold_rm); /* return to saved room */
- syslog(LOG_DEBUG, "msgnum_being_replaced == %ld\n", msgnum_being_replaced);
+ syslog(LOG_DEBUG, "calendar: msgnum_being_replaced == %ld", msgnum_being_replaced);
if (msgnum_being_replaced == 0) {
return(1); /* no calendar event found */
}
original_event = oec.c;
if (original_event == NULL) {
- syslog(LOG_ERR, "ERROR: Original_component is NULL.\n");
+ syslog(LOG_ERR, "calendar: original_component is NULL");
return(2);
}
return(1);
}
- /* syslog(LOG_DEBUG, "Comparing t1start %d:%d t1end %d:%d t2start %d:%d t2end %d:%d \n",
+ /* syslog(LOG_DEBUG, "Comparing t1start %d:%d t1end %d:%d t2start %d:%d t2end %d:%d",
t1start.hour, t1start.minute, t1end.hour, t1end.minute,
t2start.hour, t2start.minute, t2end.hour, t2end.minute);
*/
/* If event 1 ends before event 2 starts, we're in the clear. */
if (icaltime_compare(t1end, t2start) <= 0) return(0);
- /* syslog(LOG_DEBUG, "first passed\n"); */
+ /* syslog(LOG_DEBUG, "calendar: first passed"); */
/* If event 2 ends before event 1 starts, we're also ok. */
if (icaltime_compare(t2end, t1start) <= 0) return(0);
- /* syslog(LOG_DEBUG, "second passed\n"); */
+ /* syslog(LOG_DEBUG, "calendar: second passed"); */
/* Otherwise, they overlap. */
return(1);
}
+
/*
* Phase 6 of "hunt for conflicts"
* called by ical_conflicts_phase5()
}
-
/*
* Phase 5 of "hunt for conflicts"
* Called by ical_conflicts_phase4()
}
-
-
/*
* Phase 4 of "hunt for conflicts"
* Called by ical_hunt_for_conflicts_backend()
}
-
/*
* Phase 3 of "hunt for conflicts"
* Called by ical_hunt_for_conflicts()
}
-
/*
* Phase 2 of "hunt for conflicts" operation.
* At this point we have a calendar object which represents the VEVENT that
}
-
/*
* Hunt for conflicts (Phase 1 -- retrieve the object and call Phase 2)
*/
}
-
/*
* Look for busy time in a VEVENT and add it to the supplied VFREEBUSY.
*
if (!icaltime_is_null_time(dtend)) {
dtend = icaltime_add(dtstart, dur);
dtend.zone = dtstart.zone;
- dtend.is_utc = dtstart.is_utc;
}
++num_recur;
}
}
-
/*
* Backend for ical_freebusy()
*
}
-
/*
* Grab another user's free/busy times
*/
if (found_user != 0) {
strcpy(buf, who);
recp = validate_recipients(buf, NULL, 0);
- syslog(LOG_DEBUG, "Trying <%s>\n", buf);
+ syslog(LOG_DEBUG, "calendar: trying <%s>", buf);
if (recp != NULL) {
if (recp->num_local == 1) {
found_user = CtdlGetUser(&usbuf, recp->recp_local);
*/
if (found_user != 0) {
snprintf(buf, sizeof buf, "%s@%s", who, CtdlGetConfigStr("c_fqdn"));
- syslog(LOG_DEBUG, "Trying <%s>\n", buf);
+ syslog(LOG_DEBUG, "calendar: trying <%s>", buf);
recp = validate_recipients(buf, NULL, 0);
if (recp != NULL) {
if (recp->num_local == 1) {
if ( (!strcasecmp(type, "localhost"))
|| (!strcasecmp(type, "directory")) ) {
snprintf(buf, sizeof buf, "%s@%s", who, host);
- syslog(LOG_DEBUG, "Trying <%s>\n", buf);
+ syslog(LOG_DEBUG, "calendar: trying <%s>", buf);
recp = validate_recipients(buf, NULL, 0);
if (recp != NULL) {
if (recp->num_local == 1) {
}
/* Create a VFREEBUSY subcomponent */
- syslog(LOG_DEBUG, "Creating VFREEBUSY component\n");
+ syslog(LOG_DEBUG, "calendar: creating VFREEBUSY component");
fb = icalcomponent_new_vfreebusy();
if (fb == NULL) {
- cprintf("%d Internal error: cannot allocate memory.\n",
- ERROR + INTERNAL_ERROR);
+ cprintf("%d Internal error: cannot allocate memory.\n", ERROR + INTERNAL_ERROR);
CtdlGetRoom(&CC->room, hold_rm);
return;
}
icalcomponent_set_method(fb, ICAL_METHOD_PUBLISH);
/* Set the DTSTAMP to right now. */
- icalcomponent_set_dtstamp(fb, icaltime_from_timet(time(NULL), 0));
+ icalcomponent_set_dtstamp(fb, icaltime_from_timet_with_zone(time(NULL), 0, icaltimezone_get_utc_timezone()));
/* Add the user's email address as ORGANIZER */
sprintf(buf, "MAILTO:%s", who);
icalcomponent_add_property(fb, icalproperty_new_organizer(buf));
/* Add busy time from events */
- syslog(LOG_DEBUG, "Adding busy time from events\n");
+ syslog(LOG_DEBUG, "calendar: adding busy time from events");
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));
+ icalcomponent_set_dtstart(fb, icaltime_from_timet_with_zone(time(NULL)-86400L, 0, icaltimezone_get_utc_timezone()));
}
if (icalcomponent_get_first_property(fb, ICAL_DTEND_PROPERTY) == NULL) {
- icalcomponent_set_dtend(fb, icaltime_from_timet(time(NULL)+86400L, 0));
+ icalcomponent_set_dtend(fb, icaltime_from_timet_with_zone(time(NULL)+86400L, 0, icaltimezone_get_utc_timezone()));
}
/* Put the freebusy component into the calendar component */
- syslog(LOG_DEBUG, "Encapsulating\n");
+ syslog(LOG_DEBUG, "calendar: encapsulating");
encaps = ical_encapsulate_subcomponent(fb);
if (encaps == NULL) {
icalcomponent_free(fb);
}
/* Set the method to PUBLISH */
- syslog(LOG_DEBUG, "Setting method\n");
+ syslog(LOG_DEBUG, "calendar: setting method");
icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
/* Serialize it */
- syslog(LOG_DEBUG, "Serializing\n");
+ syslog(LOG_DEBUG, "calendar: serializing");
serialized_request = icalcomponent_as_ical_string_r(encaps);
icalcomponent_free(encaps); /* Don't need this anymore. */
}
-
/*
* Backend for ical_getics()
*
}
-
/*
* Retrieve all of the calendar items in the current room, and output them
* as a single icalendar object.
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- syslog(LOG_ALERT, "ERROR: could not allocate component!\n");
+ syslog(LOG_ERR, "calendar: could not allocate component!");
cprintf("%d Could not allocate memory\n", ERROR+INTERNAL_ERROR);
return;
}
HashPos = GetNewHashPos(tzidlist, 0);
while (GetNextHashPos(tzidlist, HashPos, &len, &Key, &Value)) {
- syslog(LOG_DEBUG, "Attaching timezone '%s'\n", (char*) Value);
+ syslog(LOG_DEBUG, "calendar: attaching timezone '%s'", (char*) Value);
icaltimezone *t = NULL;
/* First look for a timezone attached to the original calendar */
}
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);
+ CIT_ICAL->server_generated_invitations = (extract_int(argbuf, 1) ? 1 : 0) ;
+ cprintf("%d %d\n", CIT_OK, CIT_ICAL->server_generated_invitations);
return;
}
}
-
/*
* We don't know if the calendar room exists so we just create it at login
*/
/* Set expiration policy to manual; otherwise objects will be lost! */
if (CtdlGetRoomLock(&qr, USERCALENDARROOM)) {
- syslog(LOG_CRIT, "Couldn't get the user calendar room!\n");
+ syslog(LOG_ERR, "calendar: couldn't get the user calendar room");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
/* Set expiration policy to manual; otherwise objects will be lost! */
if (CtdlGetRoomLock(&qr, USERTASKSROOM)) {
- syslog(LOG_CRIT, "Couldn't get the user calendar room!\n");
+ syslog(LOG_ERR, "calendar: couldn't get the user calendar room!");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
/* Set expiration policy to manual; otherwise objects will be lost! */
if (CtdlGetRoomLock(&qr, USERNOTESROOM)) {
- syslog(LOG_CRIT, "Couldn't get the user calendar room!\n");
+ syslog(LOG_ERR, "calendar: couldn't get the user calendar room!");
return;
}
qr.QRep.expire_mode = EXPIRE_MANUAL;
const char *tzidc = NULL;
if (cal == NULL) {
- syslog(LOG_ERR, "ERROR: trying to reply to NULL event?\n");
+ syslog(LOG_ERR, "calendar: trying to reply to NULL event?");
return;
}
-
/* If this is a VCALENDAR component, look for a VEVENT subcomponent. */
if (icalcomponent_isa(cal) == ICAL_VCALENDAR_COMPONENT) {
ical_send_out_invitations(top_level_cal,
/* Clone the event */
the_request = icalcomponent_new_clone(cal);
if (the_request == NULL) {
- syslog(LOG_ERR, "ERROR: cannot clone calendar object\n");
+ syslog(LOG_ERR, "calendar: cannot clone calendar object");
return;
}
}
}
- syslog(LOG_DEBUG, "<%d> attendees: <%s>\n", num_attendees, attendees_string);
+ syslog(LOG_DEBUG, "calendar: <%d> attendees: <%s>", num_attendees, attendees_string);
/* If there are no attendees, there are no invitations to send, so...
* don't bother putting one together! Punch out, Maverick!
/* Encapsulate the VEVENT component into a complete VCALENDAR */
encaps = icalcomponent_new_vcalendar();
if (encaps == NULL) {
- syslog(LOG_ALERT, "ERROR: could not allocate component!\n");
+ syslog(LOG_ERR, "calendar: could not allocate component!");
icalcomponent_free(the_request);
return;
}
attached_zones[num_zones_attached++] = z;
}
- icalproperty_set_parameter(p,
- icalparameter_new_tzid(icaltimezone_get_tzid(z))
+ icalproperty_set_parameter(p, icalparameter_new_tzid(icaltimezone_get_tzid(z))
);
}
}
icalproperty *organizer = NULL;
char organizer_string[SIZ];
- syslog(LOG_DEBUG, "ical_saving_vevent() has been called!\n");
+ syslog(LOG_DEBUG, "calendar: ical_saving_vevent() has been called");
/* Don't send out invitations unless the client wants us to. */
if (CIT_ICAL->server_generated_invitations == 0) {
}
-
/*
* Back end for ical_obj_beforesave()
* This hunts for the UID of the calendar event (becomes Citadel msg EUID),
pch = icalproperty_get_comment(p);
if (!IsEmptyStr(pch)) {
CM_SetField(msg, eExclusiveID, pch, strlen(pch));
- syslog(LOG_DEBUG, "Saving calendar UID <%s>\n", pch);
+ syslog(LOG_DEBUG, "calendar: saving calendar UID <%s>", pch);
}
}
}
-
-
/*
* See if we need to prevent the object from being saved (we don't allow
* MIME types other than text/calendar in "calendar" or "tasks" rooms).
/* It must be an RFC822 message! */
if (msg->cm_format_type != 4) {
- syslog(LOG_DEBUG, "Rejecting non-RFC822 message\n");
+ syslog(LOG_DEBUG, "calendar: rejecting non-RFC822 message");
return(1); /* You tried to save a non-RFC822 message! */
}
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
-) {
+void ical_fixed_output_backend(icalcomponent *cal, int recursion_level) {
icalcomponent *c;
icalproperty *p;
char buf[256];
}
-
/*
* Function to output iCalendar data as plain text. Nobody uses MSG0
* anymore, so really this is just so we expose the vCard data to the full
}
-
-void serv_calendar_destroy(void)
-{
+void serv_calendar_destroy(void) {
icaltimezone_free_builtin_timezones();
}
+
/*
* Register this module with the Citadel server.
*/
{
/* Tell libical to return errors instead of aborting if it gets bad data */
- // icalerror_errors_are_fatal = 0; (this was the old way)
+
+#ifdef LIBICAL_ICAL_EXPORT // cheap and sleazy way to detect libical >=2.0
icalerror_set_errors_are_fatal(0);
+#else
+ icalerror_errors_are_fatal = 0;
+#endif
/* Use our own application prefix in tzid's generated from system tzdata */
icaltimezone_set_tzid_prefix("/citadel.org/");
CtdlRegisterMessageHook(ical_obj_beforesave, EVT_BEFORESAVE);
CtdlRegisterMessageHook(ical_obj_aftersave, EVT_AFTERSAVE);
CtdlRegisterSessionHook(ical_CtdlCreateRoom, EVT_LOGIN, PRIO_LOGIN + 1);
- CtdlRegisterProtoHook(cmd_ical, "ICAL", "Citadel iCal commands");
+ CtdlRegisterProtoHook(cmd_ical, "ICAL", "Citadel iCalendar commands");
CtdlRegisterSessionHook(ical_session_startup, EVT_START, PRIO_START + 1);
CtdlRegisterSessionHook(ical_session_shutdown, EVT_STOP, PRIO_STOP + 80);
CtdlRegisterFixedOutputHook("text/calendar", ical_fixed_output);
CtdlRegisterFixedOutputHook("application/ics", ical_fixed_output);
CtdlRegisterCleanupHook(serv_calendar_destroy);
}
-
+
/* return our module name for the log */
return "calendar";
}