webcit/event.c

   1 /*
   2  * $Id$
   3  *
   4  * Editing calendar events.
   5  *
   6  */
   7
   8 #include <ctype.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <signal.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <sys/socket.h>
  17 #include <limits.h>
  18 #include <netinet/in.h>
  19 #include <netdb.h>
  20 #include <string.h>
  21 #include <pwd.h>
  22 #include <errno.h>
  23 #include <stdarg.h>
  24 #include <pthread.h>
  25 #include <signal.h>
  26 #include <time.h>
  27 #include "webcit.h"
  28 #include "webserver.h"
  29
  30
  31 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
  32
  33 /*
  34  * Display an event by itself (for editing)
  35  *
  36  * ok
  37  */
  38 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum) {
  39         icalcomponent *vevent;
  40         icalproperty *p;
  41         icalvalue *v;
  42         struct icaltimetype t_start, t_end;
  43         time_t now;
  44         struct tm tm_now;
  45         int created_new_vevent = 0;
  46         icalproperty *organizer = NULL;
  47         char organizer_string[SIZ];
  48         icalproperty *attendee = NULL;
  49         char attendee_string[SIZ];
  50         char buf[SIZ];
  51         int i;
  52         int organizer_is_me = 0;
  53         int sequence = 0;
  54
  55         now = time(NULL) % 60;  /* mod 60 to force :00 seconds */
  56         strcpy(organizer_string, "");
  57         strcpy(attendee_string, "");
  58
  59         if (supplied_vevent != NULL) {
  60                 vevent = supplied_vevent;
  61                 /* If we're looking at a fully encapsulated VCALENDAR
  62                  * rather than a VTODO component, attempt to use the first
  63                  * relevant VTODO subcomponent.  If there is none, the
  64                  * NULL returned by icalcomponent_get_first_component() will
  65                  * tell the next iteration of this function to create a
  66                  * new one.
  67                  */
  68                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
  69                         display_edit_individual_event(
  70                                 icalcomponent_get_first_component(
  71                                         vevent, ICAL_VTODO_COMPONENT
  72                                 ), msgnum
  73                         );
  74                         return;
  75                 }
  76         }
  77         else {
  78                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
  79                 created_new_vevent = 1;
  80         }
  81
  82         /* Learn the sequence */
  83         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
  84         if (p != NULL) {
  85                 sequence = icalproperty_get_sequence(p);
  86         }
  87
  88         /* Begin output */
  89         output_headers(3);
  90         do_template("beginbox_nt");
  91         wprintf("<h3>&nbsp;<IMG ALIGN=CENTER SRC=\"/static/vcalendar.gif\">"
  92                 "&nbsp;Add or edit an event</h3>\n");
  93
  94         /************************************************************
  95          * Uncomment this to see the UID in calendar events for debugging
  96         wprintf("UID == ");
  97         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
  98         if (p != NULL) {
  99                 escputs((char *)icalproperty_get_comment(p));
 100         }
 101         wprintf("<BR>\n");
 102         wprintf("SEQUENCE == %d<BR>\n", sequence);
 103         *************************************************************/
 104
 105         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" ACTION=\"/save_event\">\n");
 106
 107         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 108                 msgnum);
 109         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 110                 bstr("calview"));
 111         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 112                 bstr("year"));
 113         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 114                 bstr("month"));
 115         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 116                 bstr("day"));
 117
 118         /* Put it in a borderless table so it lines up nicely */
 119         wprintf("<TABLE border=0 width=100%%>\n");
 120
 121         wprintf("<TR><TD><B>Summary</B></TD><TD>\n"
 122                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 123                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 124         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 125         if (p != NULL) {
 126                 escputs((char *)icalproperty_get_comment(p));
 127         }
 128         wprintf("\"></TD></TR>\n");
 129
 130         wprintf("<TR><TD><B>Location</B></TD><TD>\n"
 131                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 132                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 133         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 134         if (p != NULL) {
 135                 escputs((char *)icalproperty_get_comment(p));
 136         }
 137         wprintf("\"></TD></TR>\n");
 138
 139         wprintf("<TR><TD><B>Start</B></TD><TD>\n");
 140         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 141         if (p != NULL) {
 142                 t_start = icalproperty_get_dtstart(p);
 143                 if (t_start.is_date) {
 144                         t_start.hour = 0;
 145                         t_start.minute = 0;
 146                         t_start.second = 0;
 147                 }
 148         }
 149         else {
 150                 memcpy(&tm_now, localtime(&now), sizeof(struct tm));
 151                 tm_now.tm_year = atoi(bstr("year")) - 1900;
 152                 tm_now.tm_mon = atoi(bstr("month")) - 1;
 153                 tm_now.tm_mday = atoi(bstr("day"));
 154                 if (strlen(bstr("hour")) > 0) {
 155                         tm_now.tm_hour = atoi(bstr("hour"));
 156                         tm_now.tm_min = atoi(bstr("minute"));
 157                         tm_now.tm_sec = 0;
 158                 }
 159                 else {
 160                         tm_now.tm_hour = 9;
 161                         tm_now.tm_min = 0;
 162                         tm_now.tm_sec = 0;
 163                 }
 164
 165                 t_start = icaltime_from_timet_with_zone(
 166                         mktime(&tm_now),
 167                         ((!strcasecmp(bstr("alldayevent"), "yes")) ? 1 : 0),
 168                         icaltimezone_get_utc_timezone
 169                 );
 170                 t_start.is_utc = 1;
 171
 172         }
 173         display_icaltimetype_as_webform(&t_start, "dtstart");
 174
 175         wprintf("<INPUT TYPE=\"checkbox\" NAME=\"alldayevent\" "
 176                 "VALUE=\"yes\" onClick=\"
 177
 178                         if (this.checked) {
 179                                 this.form.dtstart_hour.value='0';
 180                                 this.form.dtstart_hour.disabled = true;
 181                                 this.form.dtstart_minute.value='0';
 182                                 this.form.dtstart_minute.disabled = true;
 183                                 this.form.dtend_hour.value='0';
 184                                 this.form.dtend_hour.disabled = true;
 185                                 this.form.dtend_minute.value='0';
 186                                 this.form.dtend_minute.disabled = true;
 187                                 this.form.dtend_month.disabled = true;
 188                                 this.form.dtend_day.disabled = true;
 189                                 this.form.dtend_year.disabled = true;
 190                         }
 191                         else {
 192                                 this.form.dtstart_hour.disabled = false;
 193                                 this.form.dtstart_minute.disabled = false;
 194                                 this.form.dtend_hour.disabled = false;
 195                                 this.form.dtend_minute.disabled = false;
 196                                 this.form.dtend_month.disabled = false;
 197                                 this.form.dtend_day.disabled = false;
 198                                 this.form.dtend_year.disabled = false;
 199                         }
 200
 201
 202                 \" %s >All day event",
 203                 (t_start.is_date ? "CHECKED" : "" )
 204         );
 205
 206         wprintf("</TD></TR>\n");
 207
 208         /* If this is an all-day-event, set the end time to be identical to
 209          * the start time (the hour/minute/second will be set to midnight).
 210          * Otherwise extract or create it.
 211          */
 212         wprintf("<TR><TD><B>End</B></TD><TD>\n");
 213         if (t_start.is_date) {
 214                 t_end = t_start;
 215         }
 216         else {
 217                 p = icalcomponent_get_first_property(vevent,
 218                                                         ICAL_DTEND_PROPERTY);
 219                 if (p != NULL) {
 220                         t_end = icalproperty_get_dtend(p);
 221                 }
 222                 else {
 223                         /* If this is not an all-day event and there is no
 224                          * end time specified, make the default one hour
 225                          * from the start time.
 226                          */
 227                         t_end = t_start;
 228                         t_end.hour += 1;
 229                         t_end.second = 0;
 230                         t_end = icaltime_normalize(t_end);
 231                         /* t_end = icaltime_from_timet(now, 0); */
 232                 }
 233         }
 234         display_icaltimetype_as_webform(&t_end, "dtend");
 235         wprintf("</TD></TR>\n");
 236
 237         wprintf("<TR><TD><B>Notes</B></TD><TD>\n"
 238                 "<TEXTAREA NAME=\"description\" wrap=soft "
 239                 "ROWS=5 COLS=80 WIDTH=80>\n"
 240         );
 241         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 242         if (p != NULL) {
 243                 escputs((char *)icalproperty_get_comment(p));
 244         }
 245         wprintf("</TEXTAREA></TD></TR>");
 246
 247         /* For a new event, the user creating the event should be the
 248          * organizer.  Set this field accordingly.
 249          */
 250         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 251            == NULL) {
 252                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
 253                 icalcomponent_add_property(vevent,
 254                         icalproperty_new_organizer(organizer_string)
 255                 );
 256         }
 257
 258         /* Determine who is the organizer of this event.
 259          * We need to determine "me" or "not me."
 260          */
 261         organizer = icalcomponent_get_first_property(vevent,
 262                                                 ICAL_ORGANIZER_PROPERTY);
 263         if (organizer != NULL) {
 264                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 265                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
 266                         strcpy(organizer_string, &organizer_string[7]);
 267                         striplt(organizer_string);
 268                         lprintf(9, "ISME %s\n", organizer_string);
 269                         serv_printf("ISME %s", organizer_string);
 270                         serv_gets(buf);
 271                         lprintf(9, "%s\n", buf);
 272                         if (buf[0] == '2') {
 273                                 organizer_is_me = 1;
 274                         }
 275                 }
 276         }
 277
 278         wprintf("<TR><TD><B>Organizer</B></TD><TD>");
 279         escputs(organizer_string);
 280         if (organizer_is_me) {
 281                 wprintf(" <FONT SIZE=-1><I>"
 282                         "(you are the organizer)</I></FONT>\n");
 283         }
 284
 285         /*
 286          * Transmit the organizer as a hidden field.   We don't want the user
 287          * to be able to change it, but we do want it fed back to the server,
 288          * especially if this is a new event and there is no organizer already
 289          * in the calendar object.
 290          */
 291         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 292         escputs(organizer_string);
 293         wprintf("\">");
 294
 295         wprintf("</TD></TR>\n");
 296
 297         /* Transparency */
 298         wprintf("<TR><TD><B>Show time as:</B></TD><TD>");
 299
 300         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 301         if (p == NULL) {
 302                 /* No transparency found.  Default to opaque (busy). */
 303                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 304                 if (p != NULL) {
 305                         icalcomponent_add_property(vevent, p);
 306                 }
 307         }
 308         if (p != NULL) {
 309                 v = icalproperty_get_value(p);
 310         }
 311         else {
 312                 v = NULL;
 313         }
 314
 315         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 316         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)
 317                 wprintf(" CHECKED");
 318         wprintf(">Free&nbsp;&nbsp;");
 319
 320         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 321         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)
 322                 wprintf(" CHECKED");
 323         wprintf(">Busy");
 324
 325         wprintf("</TD></TR>\n");
 326
 327         /* Attendees */
 328         wprintf("<TR><TD><B>Attendees</B><BR>"
 329                 "<FONT SIZE=-2>(One per line)"
 330                 "</FONT></TD><TD>"
 331                 "<TEXTAREA %s NAME=\"attendees\" wrap=soft "
 332                 "ROWS=3 COLS=80 WIDTH=80>\n",
 333                 (organizer_is_me ? "" : "DISABLED ")
 334         );
 335         i = 0;
 336         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 337                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 338                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 339
 340                         /* screen name or email address */
 341                         strcpy(attendee_string, &attendee_string[7]);
 342                         striplt(attendee_string);
 343                         if (i++) wprintf("\n");
 344                         escputs(attendee_string);
 345                         wprintf(" ");
 346
 347                         /* participant status */
 348                         partstat_as_string(buf, attendee);
 349                         escputs(buf);
 350                 }
 351         }
 352         wprintf("</TEXTAREA></TD></TR>\n");
 353
 354         /* Done with properties. */
 355         wprintf("</TABLE>\n<CENTER>"
 356                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Save\">"
 357                 "&nbsp;&nbsp;"
 358                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Delete\">\n"
 359                 "&nbsp;&nbsp;"
 360                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">\n"
 361                 "</CENTER>\n"
 362         );
 363
 364         wprintf("</FORM>\n");
 365
 366         wprintf("<SCRIPT language=\"javascript\">
 367                 <!--
 368
 369                         if (document.EventForm.alldayevent.checked) {
 370                                 document.EventForm.dtstart_hour.value='0';
 371                                 document.EventForm.dtstart_hour.disabled = true;
 372                                 document.EventForm.dtstart_minute.value='0';
 373                                 document.EventForm.dtstart_minute.disabled = true;
 374                                 document.EventForm.dtend_hour.value='0';
 375                                 document.EventForm.dtend_hour.disabled = true;
 376                                 document.EventForm.dtend_minute.value='0';
 377                                 document.EventForm.dtend_minute.disabled = true;
 378                                 document.EventForm.dtend_month.disabled = true;
 379                                 document.EventForm.dtend_day.disabled = true;
 380                                 document.EventForm.dtend_year.disabled = true;
 381                         }
 382                         else {
 383                                 document.EventForm.dtstart_hour.disabled = false;
 384                                 document.EventForm.dtstart_minute.disabled = false;
 385                                 document.EventForm.dtend_hour.disabled = false;
 386                                 document.EventForm.dtend_minute.disabled = false;
 387                                 document.EventForm.dtend_month.disabled = false;
 388                                 document.EventForm.dtend_day.disabled = false;
 389                                 document.EventForm.dtend_year.disabled = false;
 390                         }
 391                 //-->
 392                 </SCRIPT>
 393         ");
 394
 395         do_template("endbox");
 396         wDumpContent(1);
 397
 398         if (created_new_vevent) {
 399                 icalcomponent_free(vevent);
 400         }
 401 }
 402
 403 /*
 404  * Save an edited event
 405  *
 406  */
 407 void save_individual_event(icalcomponent *supplied_vevent, long msgnum) {
 408         char buf[SIZ];
 409         icalproperty *prop;
 410         icalcomponent *vevent, *encaps;
 411         int created_new_vevent = 0;
 412         int all_day_event = 0;
 413         struct icaltimetype event_start;
 414         icalproperty *attendee = NULL;
 415         char attendee_string[SIZ];
 416         int i;
 417         int foundit;
 418         char form_attendees[SIZ];
 419         char organizer_string[SIZ];
 420         int sequence = 0;
 421         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 422
 423         if (supplied_vevent != NULL) {
 424                 vevent = supplied_vevent;
 425                 /* If we're looking at a fully encapsulated VCALENDAR
 426                  * rather than a VTODO component, attempt to use the first
 427                  * relevant VTODO subcomponent.  If there is none, the
 428                  * NULL returned by icalcomponent_get_first_component() will
 429                  * tell the next iteration of this function to create a
 430                  * new one.
 431                  */
 432                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 433                         save_individual_event(
 434                                 icalcomponent_get_first_component(
 435                                         vevent, ICAL_VTODO_COMPONENT
 436                                 ), msgnum
 437                         );
 438                         return;
 439                 }
 440         }
 441         else {
 442                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 443                 created_new_vevent = 1;
 444         }
 445
 446         if (!strcasecmp(bstr("sc"), "Save")) {
 447
 448                 /* Replace values in the component with ones from the form */
 449
 450                 while (prop = icalcomponent_get_first_property(vevent,
 451                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 452                         icalcomponent_remove_property(vevent, prop);
 453                         icalproperty_free(prop);
 454                 }
 455                 icalcomponent_add_property(vevent,
 456                         icalproperty_new_summary(bstr("summary")));
 457
 458                 while (prop = icalcomponent_get_first_property(vevent,
 459                       ICAL_LOCATION_PROPERTY), prop != NULL) {
 460                         icalcomponent_remove_property(vevent, prop);
 461                         icalproperty_free(prop);
 462                 }
 463                 icalcomponent_add_property(vevent,
 464                         icalproperty_new_location(bstr("location")));
 465
 466                 while (prop = icalcomponent_get_first_property(vevent,
 467                       ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 468                         icalcomponent_remove_property(vevent, prop);
 469                         icalproperty_free(prop);
 470                 }
 471                 icalcomponent_add_property(vevent,
 472                         icalproperty_new_description(bstr("description")));
 473
 474                 while (prop = icalcomponent_get_first_property(vevent,
 475                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 476                         icalcomponent_remove_property(vevent, prop);
 477                         icalproperty_free(prop);
 478                 }
 479
 480                 if (!strcmp(bstr("alldayevent"), "yes")) {
 481                         all_day_event = 1;
 482                 }
 483                 else {
 484                         all_day_event = 0;
 485                 }
 486
 487                 event_start = icaltime_from_webform("dtstart");
 488                 if (all_day_event) {
 489                         event_start.is_date = 1;
 490                         event_start.hour = 0;
 491                         event_start.minute = 0;
 492                         event_start.second = 0;
 493                 }
 494
 495
 496                 /* The following odd-looking snippet of code looks like it
 497                  * takes some unnecessary steps.  It is done this way because
 498                  * libical incorrectly turns an "all day event" into a normal
 499                  * event starting at midnight (i.e. it serializes as date/time
 500                  * instead of just date) unless icalvalue_new_date() is used.
 501                  * So we force it, if this is an all day event.
 502                  */
 503                 prop = icalproperty_new_dtstart(event_start);
 504                 if (all_day_event) {
 505                         icalproperty_set_value(prop,
 506                                 icalvalue_new_date(event_start)
 507                         );
 508                 }
 509
 510                 if (prop) icalcomponent_add_property(vevent, prop);
 511                 else icalproperty_free(prop);
 512
 513                 while (prop = icalcomponent_get_first_property(vevent,
 514                       ICAL_DTEND_PROPERTY), prop != NULL) {
 515                         icalcomponent_remove_property(vevent, prop);
 516                         icalproperty_free(prop);
 517                 }
 518                 while (prop = icalcomponent_get_first_property(vevent,
 519                       ICAL_DURATION_PROPERTY), prop != NULL) {
 520                         icalcomponent_remove_property(vevent, prop);
 521                         icalproperty_free(prop);
 522                 }
 523
 524                 if (all_day_event == 0) {
 525                         icalcomponent_add_property(vevent,
 526                                 icalproperty_new_dtend(icaltime_normalize(
 527                                         icaltime_from_webform("dtend"))
 528                                 )
 529                         );
 530                 }
 531
 532                 /* See if transparency is indicated */
 533                 if (strlen(bstr("transp")) > 0) {
 534                         if (!strcasecmp(bstr("transp"), "opaque")) {
 535                                 formtransp = ICAL_TRANSP_OPAQUE;
 536                         }
 537                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 538                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 539                         }
 540
 541                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 542                               (prop != NULL)) {
 543                                 icalcomponent_remove_property(vevent, prop);
 544                                 icalproperty_free(prop);
 545                         }
 546
 547                         lprintf(9, "adding new property...\n");
 548                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 549                         lprintf(9, "...added it.\n");
 550                 }
 551
 552                 /* Give this event a UID if it doesn't have one. */
 553                 lprintf(9, "Give this event a UID if it doesn't have one.\n");
 554                 if (icalcomponent_get_first_property(vevent,
 555                    ICAL_UID_PROPERTY) == NULL) {
 556                         generate_new_uid(buf);
 557                         icalcomponent_add_property(vevent,
 558                                 icalproperty_new_uid(buf)
 559                         );
 560                 }
 561
 562                 /* Increment the sequence ID */
 563                 lprintf(9, "Increment the sequence ID\n");
 564                 while (prop = icalcomponent_get_first_property(vevent,
 565                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 566                         i = icalproperty_get_sequence(prop);
 567                         lprintf(9, "Sequence was %d\n", i);
 568                         if (i > sequence) sequence = i;
 569                         icalcomponent_remove_property(vevent, prop);
 570                         icalproperty_free(prop);
 571                 }
 572                 ++sequence;
 573                 lprintf(9, "New sequence is %d.  Adding...\n", sequence);
 574                 icalcomponent_add_property(vevent,
 575                         icalproperty_new_sequence(sequence)
 576                 );
 577
 578                 /* Set the organizer, only if one does not already exist *and*
 579                  * the form is supplying one
 580                  */
 581                 lprintf(9, "Setting the organizer...\n");
 582                 strcpy(buf, bstr("organizer"));
 583                 if ( (icalcomponent_get_first_property(vevent,
 584                    ICAL_ORGANIZER_PROPERTY) == NULL)
 585                    && (strlen(buf) > 0) ) {
 586
 587                         /* set new organizer */
 588                         sprintf(organizer_string, "MAILTO:%s", buf);
 589                         icalcomponent_add_property(vevent,
 590                                 icalproperty_new_organizer(organizer_string)
 591                         );
 592
 593                 }
 594
 595                 /*
 596                  * Add any new attendees listed in the web form
 597                  */
 598                 lprintf(9, "Add any new attendees\n");
 599
 600                 /* First, strip out the parenthesized partstats.  */
 601                 strcpy(form_attendees, bstr("attendees"));
 602                 stripout(form_attendees, '(', ')');
 603
 604                 /* Now iterate! */
 605                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 606                         extract_token(buf, form_attendees, i, '\n');
 607                         striplt(buf);
 608                         if (strlen(buf) > 0) {
 609                                 lprintf(9, "Attendee: <%s>\n", buf);
 610                                 sprintf(attendee_string, "MAILTO:%s", buf);
 611                                 foundit = 0;
 612
 613                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 614                                         if (!strcasecmp(attendee_string,
 615                                            icalproperty_get_attendee(attendee)))
 616                                                 ++foundit;
 617                                 }
 618
 619
 620                                 if (foundit == 0) {
 621                                         icalcomponent_add_property(vevent,
 622                                                 icalproperty_new_attendee(attendee_string)
 623                                         );
 624                                 }
 625                         }
 626                 }
 627
 628                 /*
 629                  * Remove any attendees *not* listed in the web form
 630                  */
 631 STARTOVER:      lprintf(9, "Remove unlisted attendees\n");
 632                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 633                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 634                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 635                                 strcpy(attendee_string, &attendee_string[7]);
 636                                 striplt(attendee_string);
 637                                 foundit = 0;
 638                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 639                                         extract_token(buf, form_attendees, i, '\n');
 640                                         striplt(buf);
 641                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 642                                 }
 643                                 if (foundit == 0) {
 644                                         icalcomponent_remove_property(vevent, attendee);
 645                                         icalproperty_free(attendee);
 646                                         goto STARTOVER;
 647                                 }
 648                         }
 649                 }
 650
 651                 /*
 652                  * Serialize it and save it to the message base.  We clone it first,
 653                  * for two reasons: one, it's easier to just free the whole thing
 654                  * when we're done instead of unbundling, but more importantly, we
 655                  * can't encapsulate something that may already be encapsulated
 656                  * somewhere else.
 657                  */
 658                 lprintf(9, "Encapsulating into full VCALENDAR component\n");
 659                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 660                 lprintf(9, "Serializing it for saving\n");
 661                 if (encaps != NULL) {
 662                         serv_puts("ENT0 1|||4");
 663                         serv_gets(buf);
 664                         if (buf[0] == '4') {
 665                                 serv_puts("Content-type: text/calendar");
 666                                 serv_puts("");
 667                                 serv_puts(icalcomponent_as_ical_string(encaps));
 668                                 serv_puts("000");
 669                         }
 670                         icalcomponent_free(encaps);
 671                 }
 672         }
 673
 674         /*
 675          * If the user clicked 'Delete' then delete it.
 676          */
 677         lprintf(9, "Checking to see if we have to delete an old event\n");
 678         if ( (!strcasecmp(bstr("sc"), "Delete")) && (msgnum > 0L) ) {
 679                 serv_printf("DELE %ld", atol(bstr("msgnum")));
 680                 serv_gets(buf);
 681         }
 682
 683         if (created_new_vevent) {
 684                 icalcomponent_free(vevent);
 685         }
 686
 687         /* Go back to the event list */
 688         readloop("readfwd");
 689 }
 690
 691
 692 #endif /* WEBCIT_WITH_CALENDAR_SERVICE */