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webcit  8.12-dfsg
Functions
calendar.c File Reference
#include "webcit.h"
#include "webserver.h"
#include "calendar.h"

Go to the source code of this file.

Functions

void cal_process_object (StrBuf *Target, icalcomponent *cal, int recursion_level, long msgnum, const char *cal_partnum)
void cal_process_attachment (wc_mime_attachment *Mime)
void respond_to_request (void)
void handle_rsvp (void)
void delete_cal (void *vCal)
void display_individual_cal (icalcomponent *event, long msgnum, char *from, int unread, calview *calv)
void process_ical_object (long msgnum, int unread, char *from, char *FlatIcal, icalcomponent_kind which_kind, IcalCallbackFunc CallBack, calview *calv)
void load_ical_object (long msgnum, int unread, icalcomponent_kind which_kind, IcalCallbackFunc CallBack, calview *calv, int RenderAsync)
int calendar_LoadMsgFromServer (SharedMessageStatus *Stat, void **ViewSpecific, message_summary *Msg, int is_new, int i)
void display_edit_event (void)
void save_event (void)
void do_freebusy (void)
int calendar_Cleanup (void **ViewSpecific)
int __calendar_Cleanup (void **ViewSpecific)
void InitModule_CALENDAR (void)

Function Documentation

int __calendar_Cleanup ( void **  ViewSpecific)

Definition at line 893 of file calendar.c.

{
       calview *c;
       
       c = (calview *) *ViewSpecific;

       free (c);
       *ViewSpecific = NULL;

       return 0;
}

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Definition at line 288 of file calendar.c.

{
       icalcomponent *cal;

       cal = icalcomponent_new_from_string(ChrPtr(Mime->Data));
       FlushStrBuf(Mime->Data);
       if (cal == NULL) {
              StrBufAppendPrintf(Mime->Data, _("There was an error parsing this calendar item."));
              StrBufAppendPrintf(Mime->Data, "<br>\n");
              return;
       }

       cal_process_object(Mime->Data, cal, 0, Mime->msgnum, ChrPtr(Mime->PartNum));

       /* Free the memory we obtained from libical's constructor */
       icalcomponent_free(cal);
}

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void cal_process_object ( StrBuf *  Target,
icalcomponent *  cal,
int  recursion_level,
long  msgnum,
const char *  cal_partnum 
)

screen name or email address

participant status

Definition at line 27 of file calendar.c.

{
       icalcomponent *c;
       icalproperty *method = NULL;
       icalproperty_method the_method = ICAL_METHOD_NONE;
       icalproperty *p;
       struct icaltimetype t;
       time_t tt;
       char buf[256];
       char conflict_name[256];
       char conflict_message[256];
       int is_update = 0;
       char divname[32];
       static int divcount = 0;
       const char *ch;

       sprintf(divname, "rsvp%04x", ++divcount);

       /* Convert timezones to something easy to display.
        * It's safe to do this in memory because we're only changing it on the
        * display side -- when we tell the server to do something with the object,
        * the server will be working with its original copy in the database.
        */
       if ((cal) && (recursion_level == 0)) {
              ical_dezonify(cal);
       }

       /* Leading HTML for the display of this object */
       if (recursion_level == 0) {
              StrBufAppendPrintf(Target, "<div class=\"mimepart\">\n");
       }

       /* Look for a method */
       method = icalcomponent_get_first_property(cal, ICAL_METHOD_PROPERTY);

       /* See what we need to do with this */
       if (method != NULL) {
              char *title;
              the_method = icalproperty_get_method(method);

              StrBufAppendPrintf(Target, "<div id=\"%s_title\">", divname);
              StrBufAppendPrintf(Target, "<img src=\"static/webcit_icons/essen/32x32/calendar.png\">");
              StrBufAppendPrintf(Target, "<span>");
              switch(the_method) {
              case ICAL_METHOD_REQUEST:
                     title = _("Meeting invitation");
                     break;
              case ICAL_METHOD_REPLY:
                     title = _("Attendee's reply to your invitation");
                     break;
              case ICAL_METHOD_PUBLISH:
                     title = _("Published event");
                     break;
              default:
                     title = _("This is an unknown type of calendar item.");
                     break;
              }
              StrBufAppendPrintf(Target, "</span>");

              StrBufAppendPrintf(Target, "&nbsp;&nbsp;%s",title);
              StrBufAppendPrintf(Target, "</div>");
       }

       StrBufAppendPrintf(Target, "<dl>");
       p = icalcomponent_get_first_property(cal, ICAL_SUMMARY_PROPERTY);
       if (p != NULL) {
              StrBufAppendPrintf(Target, "<dt>");
              StrBufAppendPrintf(Target, _("Summary:"));
              StrBufAppendPrintf(Target, "</dt><dd>");
              StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
              StrBufAppendPrintf(Target, "</dd>\n");
       }

       p = icalcomponent_get_first_property(cal, ICAL_LOCATION_PROPERTY);
       if (p != NULL) {
              StrBufAppendPrintf(Target, "<dt>");
              StrBufAppendPrintf(Target, _("Location:"));
              StrBufAppendPrintf(Target, "</dt><dd>");
              StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
              StrBufAppendPrintf(Target, "</dd>\n");
       }

       /*
        * Only show start/end times if we're actually looking at the VEVENT
        * component.  Otherwise it shows bogus dates for things like timezone.
        */
       if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {

              p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
              if (p != NULL) {
                     t = icalproperty_get_dtstart(p);

                     if (t.is_date) {
                            struct tm d_tm;
                            char d_str[32];
                            memset(&d_tm, 0, sizeof d_tm);
                            d_tm.tm_year = t.year - 1900;
                            d_tm.tm_mon = t.month - 1;
                            d_tm.tm_mday = t.day;
                            wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
                            StrBufAppendPrintf(Target, "<dt>");
                            StrBufAppendPrintf(Target, _("Date:"));
                            StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", d_str);
                     }
                     else {
                            tt = icaltime_as_timet(t);
                            webcit_fmt_date(buf, 256, tt, DATEFMT_FULL);
                            StrBufAppendPrintf(Target, "<dt>");
                            StrBufAppendPrintf(Target, _("Starting date/time:"));
                            StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", buf);
                     }
              }
       
              p = icalcomponent_get_first_property(cal, ICAL_DTEND_PROPERTY);
              if (p != NULL) {
                     t = icalproperty_get_dtend(p);
                     tt = icaltime_as_timet(t);
                     webcit_fmt_date(buf, 256, tt, DATEFMT_FULL);
                     StrBufAppendPrintf(Target, "<dt>");
                     StrBufAppendPrintf(Target, _("Ending date/time:"));
                     StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", buf);
              }

       }

       p = icalcomponent_get_first_property(cal, ICAL_DESCRIPTION_PROPERTY);
       if (p != NULL) {
              StrBufAppendPrintf(Target, "<dt>");
              StrBufAppendPrintf(Target, _("Description:"));
              StrBufAppendPrintf(Target, "</dt><dd>");
              StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
              StrBufAppendPrintf(Target, "</dd>\n");
       }

       if (icalcomponent_get_first_property(cal, ICAL_RRULE_PROPERTY)) {
              /* Unusual string syntax used here in order to re-use existing translations */
              StrBufAppendPrintf(Target, "<dt>%s:</dt><dd>%s.</dd>\n",
                     _("Recurrence"),
                     _("This is a recurring event")
              );
       }

       /* 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)) {
              StrBufAppendPrintf(Target, "<dt>");
              StrBufAppendPrintf(Target, _("Attendee:"));
              StrBufAppendPrintf(Target, "</dt><dd>");
              ch = icalproperty_get_attendee(p);
              if ((ch != NULL) && !strncasecmp(buf, "MAILTO:", 7)) {

                     safestrncpy(buf, ch + 7, sizeof(buf));
                     striplt(buf);
                     StrEscAppend(Target, NULL, buf, 0, 0);
                     StrBufAppendPrintf(Target, " ");

                     partstat_as_string(buf, p);
                     StrEscAppend(Target, NULL, buf, 0, 0);
              }
              StrBufAppendPrintf(Target, "</dd>\n");
       }

       /* 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 */
              cal_process_object(Target, c, recursion_level+1, msgnum, cal_partnum);
       }

       /* If this is a REQUEST, display conflicts and buttons */
       if (the_method == ICAL_METHOD_REQUEST) {

              /* Check for conflicts */
              syslog(9, "Checking server calendar for conflicts...\n");
              serv_printf("ICAL conflicts|%ld|%s|", msgnum, cal_partnum);
              serv_getln(buf, sizeof buf);
              if (buf[0] == '1') {
                     while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
                            extract_token(conflict_name, buf, 3, '|', sizeof conflict_name);
                            is_update = extract_int(buf, 4);

                            if (is_update) {
                                   snprintf(conflict_message, sizeof conflict_message,
                                           _("This is an update of '%s' which is already in your calendar."), conflict_name);
                            }
                            else {
                                   snprintf(conflict_message, sizeof conflict_message,
                                           _("This event would conflict with '%s' which is already in your calendar."), conflict_name);
                            }

                            StrBufAppendPrintf(Target, "<dt>%s",
                                   (is_update ?
                                    _("Update:") :
                                    _("CONFLICT:")
                                          )
                                   );
                            StrBufAppendPrintf(Target, "</dt><dd>");
                            StrEscAppend(Target, NULL, conflict_message, 0, 0);
                            StrBufAppendPrintf(Target, "</dd>\n");
                     }
              }
              syslog(9, "...done.\n");

              StrBufAppendPrintf(Target, "</dl>");

              /* Display the Accept/Decline buttons */
              StrBufAppendPrintf(Target, "<p id=\"%s_question\">"
                     "%s "
                     "&nbsp;&nbsp;&nbsp;<span class=\"button_link\"> "
                     "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Accept');\">%s</a>"
                     "</span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
                     "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Tentative');\">%s</a>"
                     "</span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
                     "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Decline');\">%s</a>"
                     "</span></p>\n",
                     divname,
                     _("How would you like to respond to this invitation?"),
                     divname, divname, msgnum, cal_partnum, _("Accept"),
                     divname, divname, msgnum, cal_partnum, _("Tentative"),
                     divname, divname, msgnum, cal_partnum, _("Decline")
                     );

       }

       /* If this is a REPLY, display update button */
       if (the_method == ICAL_METHOD_REPLY) {

              /* Display the update buttons */
              StrBufAppendPrintf(Target, "<p id=\"%s_question\" >"
                     "%s "
                     "&nbsp;&nbsp;&nbsp;<span class=\"button_link\"> "
                     "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Update');\">%s</a>"
                     "</span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
                     "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Ignore');\">%s</a>"
                     "</span></p>\n",
                     divname,
                     _("Click <i>Update</i> to accept this reply and update your calendar."),
                     divname, divname, msgnum, cal_partnum, _("Update"),
                     divname, divname, msgnum, cal_partnum, _("Ignore")
                     );
       
       }
       
       /* Trailing HTML for the display of this object */
       if (recursion_level == 0) {
              StrBufAppendPrintf(Target, "<p>&nbsp;</p></div>\n");
       }
}

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int calendar_Cleanup ( void **  ViewSpecific)

Definition at line 880 of file calendar.c.

{
       calview *c;
       
       c = (calview *) *ViewSpecific;

       wDumpContent(1);
       free (c);
       *ViewSpecific = NULL;

       return 0;
}

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int calendar_LoadMsgFromServer ( SharedMessageStatus Stat,
void **  ViewSpecific,
message_summary Msg,
int  is_new,
int  i 
)

Definition at line 789 of file calendar.c.

{
       calview *c = (calview*) *ViewSpecific;
       load_ical_object(Msg->msgnum, is_new, (-1), display_individual_cal, c, 1);
       return 0;
}

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void delete_cal ( void *  vCal)

Definition at line 397 of file calendar.c.

{
       disp_cal *Cal = (disp_cal*) vCal;
       icalcomponent_free(Cal->cal);
       free(Cal->from);
       free(Cal);
}

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void display_edit_event ( void  )

Definition at line 803 of file calendar.c.

                              {
       long msgnum = 0L;

       msgnum = lbstr("msgnum");
       if (msgnum > 0L) {
              /* existing event */
              load_ical_object(msgnum, 0, ICAL_VEVENT_COMPONENT, display_edit_individual_event, NULL, 0);
       }
       else {
              /* new event */
              display_edit_individual_event(NULL, 0L, "", 0, NULL);
       }
}

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void display_individual_cal ( icalcomponent *  event,
long  msgnum,
char *  from,
int  unread,
calview calv 
)

Definition at line 411 of file calendar.c.

{
       icalproperty *ps = NULL;
       struct icaltimetype dtstart, dtend;
       struct icaldurationtype dur;
       wcsession *WCC = WC;
       disp_cal *Cal;
       size_t len;
       time_t final_recurrence = 0;
       icalcomponent *cptr = NULL;

       /* recur variables */
       icalproperty *rrule = NULL;
       struct icalrecurrencetype recur;
       icalrecur_iterator *ritr = NULL;
       struct icaltimetype next;
       int num_recur = 0;
       int stop_rr = 0;

       /* first and foremost, check for bogosity.  bail if we see no DTSTART property */

       if (icalcomponent_get_first_property(icalcomponent_get_first_component(
              event, ICAL_VEVENT_COMPONENT), ICAL_DTSTART_PROPERTY) == NULL)
       {
              return;
       }

       /* ok, chances are we've got a live one here.  let's try to figure out where it goes. */

       dtstart = icaltime_null_time();
       dtend = icaltime_null_time();
       
       if (WCC->disp_cal_items == NULL) {
              WCC->disp_cal_items = NewHash(0, Flathash);
       }

       /* Note: anything we do here, we also have to do below for the recurrences. */
       Cal = (disp_cal*) malloc(sizeof(disp_cal));
       memset(Cal, 0, sizeof(disp_cal));
       Cal->cal = icalcomponent_new_clone(event);

       /* Dezonify and decapsulate at the very last moment */
       ical_dezonify(Cal->cal);
       if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
              cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
              if (cptr) {
                     cptr = icalcomponent_new_clone(cptr);
                     icalcomponent_free(Cal->cal);
                     Cal->cal = cptr;
              }
       }

       Cal->unread = unread;
       len = strlen(from);
       Cal->from = (char*)malloc(len+ 1);
       memcpy(Cal->from, from, len + 1);
       Cal->cal_msgnum = msgnum;

       /* Precalculate the starting date and time of this event, and store it in our top-level
        * structure.  Later, when we are rendering the calendar, we can just peek at these values
        * without having to break apart every calendar item.
        */
       ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
       if (ps != NULL) {
              dtstart = icalproperty_get_dtstart(ps);
              Cal->event_start = icaltime_as_timet(dtstart);
       }

       /* Do the same for the ending date and time.  It makes the day view much easier to render. */
       ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
       if (ps != NULL) {
              dtend = icalproperty_get_dtend(ps);
              Cal->event_end = icaltime_as_timet(dtend);
       }

       /* Store it in the hash list. */
       /* syslog(LOG_DEBUG, "INITIAL: %s", ctime(&Cal->event_start)); */
       Put(WCC->disp_cal_items, 
           (char*) &Cal->event_start,
           sizeof(Cal->event_start), 
           Cal, 
           delete_cal);

       /****************************** handle recurring events ******************************/

       if (icaltime_is_null_time(dtstart)) return;      /* Can't recur without a start time */

       if (!icaltime_is_null_time(dtend)) {             /* Need duration for recurrences */
              dur = icaltime_subtract(dtend, dtstart);
       }
       else {
              dur = icaltime_subtract(dtstart, dtstart);
       }

       /*
        * Just let libical iterate the recurrence, and keep looping back to the top of this function,
        * adding new hash entries that all point back to the same msgnum, until either the iteration
        * stops or some outer bound is reached.  The display code will automatically do the Right Thing.
        */
       cptr = event;
       if (icalcomponent_isa(cptr) != ICAL_VEVENT_COMPONENT) {
              cptr = icalcomponent_get_first_component(cptr, ICAL_VEVENT_COMPONENT);
       }
       if (!cptr) return;
       ps = icalcomponent_get_first_property(cptr, ICAL_DTSTART_PROPERTY);
       if (ps == NULL) return;
       dtstart = icalproperty_get_dtstart(ps);
       rrule = icalcomponent_get_first_property(cptr, ICAL_RRULE_PROPERTY);
       if (!rrule) return;
       recur = icalproperty_get_rrule(rrule);
       ritr = icalrecur_iterator_new(recur, dtstart);
       if (!ritr) return;

       while (next = icalrecur_iterator_next(ritr), ((!icaltime_is_null_time(next))&&(!stop_rr)) ) {
              ++num_recur;
              if (num_recur > 1) {        /* Skip the first one.  We already did it at the root. */
                     icalcomponent *cptr;

                     /* Note: anything we do here, we also have to do above for the root event. */
                     Cal = (disp_cal*) malloc(sizeof(disp_cal));
                     memset(Cal, 0, sizeof(disp_cal));
                     Cal->cal = icalcomponent_new_clone(event);
                     Cal->unread = unread;
                     len = strlen(from);
                     Cal->from = (char*)malloc(len+ 1);
                     memcpy(Cal->from, from, len + 1);
                     Cal->cal_msgnum = msgnum;

                     if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
                            cptr = Cal->cal;
                     }
                     else {
                            cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
                     }
                     if (cptr) {

                            /* Remove any existing DTSTART properties */
                            while (       ps = icalcomponent_get_first_property(cptr, ICAL_DTSTART_PROPERTY),
                                   ps != NULL
                            ) {
                                   icalcomponent_remove_property(cptr, ps);
                            }

                            /* Add our shiny new DTSTART property from the iteration */
                            ps = icalproperty_new_dtstart(next);
                            icalcomponent_add_property(cptr, ps);
                            Cal->event_start = icaltime_as_timet(next);
                            final_recurrence = Cal->event_start;

                            /* Remove any existing DTEND properties */
                            while (       ps = icalcomponent_get_first_property(cptr, ICAL_DTEND_PROPERTY),
                                   (ps != NULL)
                            ) {
                                   icalcomponent_remove_property(cptr, ps);
                            }

                            /* Add our shiny new DTEND property from the iteration */
                            ps = icalproperty_new_dtend(icaltime_add(next, dur));
                            icalcomponent_add_property(cptr, ps);

                     }

                     /* Dezonify and decapsulate at the very last moment */
                     ical_dezonify(Cal->cal);
                     if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
                            cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
                            if (cptr) {
                                   cptr = icalcomponent_new_clone(cptr);
                                   icalcomponent_free(Cal->cal);
                                   Cal->cal = cptr;
                            }
                     }

                     if (   (Cal->event_start > calv->lower_bound)
                            && (Cal->event_start < calv->upper_bound)
                     ) {
                            /* syslog(LOG_DEBUG, "REPEATS: %s", ctime(&Cal->event_start)); */
                            Put(WCC->disp_cal_items, 
                                   (char*) &Cal->event_start,
                                   sizeof(Cal->event_start), 
                                   Cal, 
                                   delete_cal
                            );
                     }
                     else {
                            delete_cal(Cal);
                     }

                     /* If an upper bound is set, stop when we go out of scope */
                     if (final_recurrence > calv->upper_bound) stop_rr = 1;
              }
       }
       icalrecur_iterator_free(ritr);
       /* syslog(9, "Performed %d recurrences; final one is %s", num_recur, ctime(&final_recurrence)); */
}

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void do_freebusy ( void  )

Definition at line 840 of file calendar.c.

{
       const char *req = ChrPtr(WC->Hdr->HR.ReqLine);
       char who[SIZ];
       char buf[SIZ];
       int len;
       long lines;

       extract_token(who, req, 0, ' ', sizeof who);
       if (!strncasecmp(who, "/freebusy/", 10)) {
              strcpy(who, &who[10]);
       }
       unescape_input(who);

       len = strlen(who);
       if ( (!strcasecmp(&who[len-4], ".vcf"))
            || (!strcasecmp(&who[len-4], ".ifb"))
            || (!strcasecmp(&who[len-4], ".vfb")) ) {
              who[len-4] = 0;
       }

       syslog(9, "freebusy requested for <%s>\n", who);
       serv_printf("ICAL freebusy|%s", who);
       serv_getln(buf, sizeof buf);

       if (buf[0] != '1') {
              hprintf("HTTP/1.1 404 %s\n", &buf[4]);
              output_headers(0, 0, 0, 0, 0, 0);
              hprintf("Content-Type: text/plain\r\n");
              wc_printf("%s\n", &buf[4]);
              end_burst();
              return;
       }

       read_server_text(WC->WBuf, &lines);
       http_transmit_thing("text/calendar", 0);
}

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void handle_rsvp ( void  )

Translators: RSVP aka Répondez s'il-vous-plaît Is the term that the recipient of an ical-invitation should please answer this request.

Definition at line 357 of file calendar.c.

{
       char buf[1024];

       begin_ajax_response();

       serv_printf("ICAL handle_rsvp|%s|%s|%s|",
              bstr("msgnum"),
              bstr("cal_partnum"),
              bstr("sc")
       );
       serv_getln(buf, sizeof buf);

       if (buf[0] == '2') {
              wc_printf("<img src=\"static/webcit_icons/calendar.png\"><span>");
              if (!strcasecmp(bstr("sc"), "update")) {
                     wc_printf(_("Your calendar has been updated to reflect this RSVP."));
              } else if (!strcasecmp(bstr("sc"), "ignore")) {
                     wc_printf(_("You have chosen to ignore this RSVP. "
                              "Your calendar has <b>not</b> been updated.")
                            );
              }
              wc_printf("</span>");
       } else {
              wc_printf("<img src=\"static/webcit_icons/error.gif\"><span> %s\n", &buf[4]);
              wc_printf("</span>");
       }

       end_ajax_response();
}

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void InitModule_CALENDAR ( void  )

Definition at line 908 of file calendar.c.

{
       RegisterReadLoopHandlerset(
              VIEW_CALENDAR,
              calendar_GetParamsGetServerCall,
              NULL,
              NULL,
              NULL,
              calendar_LoadMsgFromServer,
              calendar_RenderView_or_Tail,
              calendar_Cleanup);

       RegisterReadLoopHandlerset(
              VIEW_CALBRIEF,
              calendar_GetParamsGetServerCall,
              NULL,
              NULL,
              NULL,
              calendar_LoadMsgFromServer,
              calendar_RenderView_or_Tail,
              calendar_Cleanup);



       RegisterPreference("daystart", _("Calendar day view begins at:"), PRF_INT, NULL);
       RegisterPreference("dayend", _("Calendar day view ends at:"), PRF_INT, NULL);
       RegisterPreference("weekstart", _("Week starts on:"), PRF_INT, NULL);

       WebcitAddUrlHandler(HKEY("freebusy"), "", 0, do_freebusy, COOKIEUNNEEDED|ANONYMOUS|FORCE_SESSIONCLOSE);
       WebcitAddUrlHandler(HKEY("display_edit_task"), "", 0, display_edit_task, 0);
       WebcitAddUrlHandler(HKEY("display_edit_event"), "", 0, display_edit_event, 0);
       WebcitAddUrlHandler(HKEY("save_event"), "", 0, save_event, 0);
       WebcitAddUrlHandler(HKEY("respond_to_request"), "", 0, respond_to_request, 0);
       WebcitAddUrlHandler(HKEY("handle_rsvp"), "", 0, handle_rsvp, 0);
}

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void load_ical_object ( long  msgnum,
int  unread,
icalcomponent_kind  which_kind,
IcalCallbackFunc  CallBack,
calview calv,
int  RenderAsync 
)

Definition at line 657 of file calendar.c.

{
       StrBuf *Buf;
       StrBuf *Data = NULL;
       const char *bptr;
       int Done = 0;
       char from[128] = "";
       char mime_partnum[256];
       char mime_filename[256];
       char mime_content_type[256];
       char mime_disposition[256];
       char relevant_partnum[256];
       char *relevant_source = NULL;
       int phase = 0;                            /* 0 = citadel headers, 1 = mime headers, 2 = body */
       char msg4_content_type[256] = "";
       char msg4_content_encoding[256] = "";
       int msg4_content_length = 0;

       relevant_partnum[0] = '\0';
       serv_printf("MSG4 %ld", msgnum);   /* we need the mime headers */
       Buf = NewStrBuf();
       StrBuf_ServGetln(Buf);
       if (GetServerStatus(Buf, NULL) != 1) {
              FreeStrBuf (&Buf);
              return;
       }
       while (!Done && (StrBuf_ServGetln(Buf)>=0)) {
              if ( (StrLength(Buf)==3) && 
                   !strcmp(ChrPtr(Buf), "000")) {
                     Done = 1;
                     break;
              }
              bptr = ChrPtr(Buf);
              switch (phase) {
              case 0:
                     if (!strncasecmp(bptr, "part=", 5)) {
                            extract_token(mime_filename, &bptr[5], 1, '|', sizeof mime_filename);
                            extract_token(mime_partnum, &bptr[5], 2, '|', sizeof mime_partnum);
                            extract_token(mime_disposition, &bptr[5], 3, '|', sizeof mime_disposition);
                            extract_token(mime_content_type, &bptr[5], 4, '|', sizeof mime_content_type);
                            /* do we care? mime_length = */extract_int(&bptr[5], 5);

                            if (  (!strcasecmp(mime_content_type, "text/calendar"))
                                  || (!strcasecmp(mime_content_type, "application/ics"))
                                  || (!strcasecmp(mime_content_type, "text/vtodo"))
                                  || (!strcasecmp(mime_content_type, "text/todo"))
                                   ) {
                                   strcpy(relevant_partnum, mime_partnum);
                            }
                     }
                     else if (!strncasecmp(bptr, "from=", 4)) {
                            extract_token(from, bptr, 1, '=', sizeof(from));
                     }
                     else if ((phase == 0) && (!strncasecmp(bptr, "text", 4))) {
                            phase = 1;
                     }
              break;
              case 1:
                     if (!IsEmptyStr(bptr)) {
                            if (!strncasecmp(bptr, "Content-type: ", 14)) {
                                   safestrncpy(msg4_content_type, &bptr[14], sizeof msg4_content_type);
                                   striplt(msg4_content_type);
                            }
                            else if (!strncasecmp(bptr, "Content-transfer-encoding: ", 27)) {
                                   safestrncpy(msg4_content_encoding, &bptr[27], sizeof msg4_content_encoding);
                                   striplt(msg4_content_type);
                            }
                            else if ((!strncasecmp(bptr, "Content-length: ", 16))) {
                                   msg4_content_length = atoi(&bptr[16]);
                            }
                            break;
                     }
                     else {
                            phase++;
                            
                            if ((msg4_content_length > 0)
                                && ( !strcasecmp(msg4_content_encoding, "7bit"))
                                && ((!strcasecmp(mime_content_type, "text/calendar"))
                                   || (!strcasecmp(mime_content_type, "application/ics"))
                                   || (!strcasecmp(mime_content_type, "text/vtodo"))
                                   || (!strcasecmp(mime_content_type, "text/todo"))
                                       )
                                   ) 
                            {
                            }
                     }
              case 2:
                     if (Data == NULL)
                            Data = NewStrBufPlain(NULL, msg4_content_length * 2);
                     if (msg4_content_length > 0) {
                            StrBuf_ServGetBLOBBuffered(Data, msg4_content_length);
                            phase ++;
                     }
                     else {
                            StrBufAppendBuf(Data, Buf, 0);
                            StrBufAppendBufPlain(Data, "\r\n", 1, 0);
                     }
              case 3:
                     StrBufAppendBuf(Data, Buf, 0);
              }
       }
       FreeStrBuf(&Buf);

       /* If MSG4 didn't give us the part we wanted, but we know that we can find it
        * as one of the other MIME parts, attempt to load it now.
        */
       if ((Data == NULL) && (!IsEmptyStr(relevant_partnum))) {
              Data = load_mimepart(msgnum, relevant_partnum);
       }

       if (Data != NULL) {
              relevant_source = (char*) ChrPtr(Data);
              process_ical_object(msgnum, unread,
                                from, 
                                relevant_source, 
                                which_kind,
                                CallBack,
                                calv);
       }
       FreeStrBuf (&Data);

       icalmemory_free_ring();
}

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void process_ical_object ( long  msgnum,
int  unread,
char *  from,
char *  FlatIcal,
icalcomponent_kind  which_kind,
IcalCallbackFunc  CallBack,
calview calv 
)

Definition at line 612 of file calendar.c.

{
       icalcomponent *cal, *c;

       cal = icalcomponent_new_from_string(FlatIcal);
       if (cal != NULL) {

              /* A which_kind of (-1) means just load the whole thing */
              if (which_kind == (-1)) {
                     CallBack(cal, msgnum, from, unread, calv);
              }
              
              /* Otherwise recurse and hunt */
              else {
                     
                     /* Simple components of desired type */
                     if (icalcomponent_isa(cal) == which_kind) {
                            CallBack(cal, msgnum, from, unread, calv);
                     }
                     
                     /* Subcomponents of desired type */
                     for (c = icalcomponent_get_first_component(cal, which_kind);
                          (c != 0);
                          c = icalcomponent_get_next_component(cal, which_kind)) {
                            CallBack(c, msgnum, from, unread, calv);
                     }
                     
              }
              
              icalcomponent_free(cal);
       }
}

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void respond_to_request ( void  )

Definition at line 312 of file calendar.c.

{
       char buf[1024];

       begin_ajax_response();

       serv_printf("ICAL respond|%s|%s|%s|",
              bstr("msgnum"),
              bstr("cal_partnum"),
              bstr("sc")
       );
       serv_getln(buf, sizeof buf);

       if (buf[0] == '2') {
              wc_printf("<img src=\"static/webcit_icons/essen/32x32/calendar.png\"><span>");
              if (!strcasecmp(bstr("sc"), "accept")) {
                     wc_printf(_("You have accepted this meeting invitation.  "
                            "It has been entered into your calendar.")
                     );
              } else if (!strcasecmp(bstr("sc"), "tentative")) {
                     wc_printf(_("You have tentatively accepted this meeting invitation.  "
                            "It has been 'pencilled in' to your calendar.")
                     );
              } else if (!strcasecmp(bstr("sc"), "decline")) {
                     wc_printf(_("You have declined this meeting invitation.  "
                              "It has <b>not</b> been entered into your calendar.")
                            );
              }
              wc_printf(" ");
              wc_printf(_("A reply has been sent to the meeting organizer."));
              wc_printf("</span>");
       } else {
              wc_printf("<img align=\"center\" src=\"static/webcit_icons/error.gif\"><span>");
              wc_printf("%s\n", &buf[4]);
              wc_printf("</span>");
       }

       end_ajax_response();
}

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void save_event ( void  )

Definition at line 820 of file calendar.c.

                      {
       long msgnum = 0L;

       msgnum = lbstr("msgnum");

       if (msgnum > 0L) {
              load_ical_object(msgnum, 0, (-1), save_individual_event, NULL, 0);
       }
       else {
              save_individual_event(NULL, 0L, "", 0, NULL);
       }
}

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