libexchange2ical/exchange2ical_component.c

   1 /*
   2    Convert Exchange appointments and meetings to ICAL files
   3
   4    OpenChange Project
   5
   6    Copyright (C) Julien Kerihuel 2008
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22
  23 #include "libexchange2ical/libexchange2ical.h"
  24 #include <libical/icalderivedproperty.h>
  25
  26 /*
  27    VCALENDAR component
  28  */
  29 void ical_component_VCALENDAR(struct exchange2ical *exchange2ical)
  30 {
  31         icalproperty* prop;
  32
  33         exchange2ical->vcalendar = icalcomponent_new_vcalendar();
  34         if (!(exchange2ical->vcalendar)) {
  35                 return;
  36         }
  37
  38         prop = icalproperty_new_version(OPENCHANGE_ICAL_VERSION);
  39         icalcomponent_add_property(exchange2ical->vcalendar, prop);
  40
  41         prop = icalproperty_new_prodid(OPENCHANGE_ICAL_PRODID);
  42         icalcomponent_add_property(exchange2ical->vcalendar, prop);
  43
  44         prop = icalproperty_new_method(exchange2ical->method);
  45         icalcomponent_add_property(exchange2ical->vcalendar, prop);
  46
  47
  48         if (exchange2ical->RecurrencePattern && exchange2ical->RecurrencePattern->CalendarType) {
  49                 prop = icalproperty_new_x(get_ical_calendartype(exchange2ical->RecurrencePattern->CalendarType));
  50                 icalproperty_set_x_name(prop, "X-MICROSOFT-CALSCALE");
  51                 icalcomponent_add_property(exchange2ical->vcalendar, prop);
  52         }
  53
  54         ical_component_VTIMEZONE(exchange2ical);
  55 }
  56
  57 /*
  58    VEVENT component
  59  */
  60 void ical_component_VEVENT(struct exchange2ical *exchange2ical)
  61 {
  62         exchange2ical->vevent = icalcomponent_new_vevent();
  63         if ( ! (exchange2ical->vevent) ) {
  64                 return;
  65         }
  66
  67         icalcomponent_add_component(exchange2ical->vcalendar, exchange2ical->vevent);
  68         ical_property_ATTACH(exchange2ical);
  69         ical_property_ATTENDEE(exchange2ical);
  70         ical_property_CATEGORIES(exchange2ical);
  71         ical_property_CLASS(exchange2ical);
  72         ical_property_CONTACT(exchange2ical);
  73         ical_property_CREATED(exchange2ical);
  74         ical_property_DESCRIPTION(exchange2ical);
  75         ical_property_DTEND(exchange2ical);
  76         ical_property_DTSTAMP(exchange2ical);
  77         ical_property_DTSTART(exchange2ical);
  78         ical_property_RECURRENCE_ID(exchange2ical);
  79         ical_property_EXDATE(exchange2ical);
  80         ical_property_LAST_MODIFIED(exchange2ical);
  81         ical_property_LOCATION(exchange2ical);
  82         ical_property_ORGANIZER(exchange2ical);
  83         ical_property_PRIORITY(exchange2ical);
  84         /*All possible RDATE properties are now exported as separate vevents.
  85         No longer a need for it*/
  86         //ical_property_RDATE(exchange2ical);
  87         ical_property_RRULE(exchange2ical);
  88         ical_property_RESOURCES(exchange2ical);
  89         ical_property_SEQUENCE(exchange2ical);
  90         ical_property_SUMMARY(exchange2ical);
  91         ical_property_TRANSP(exchange2ical);
  92         ical_property_UID(exchange2ical);
  93         ical_property_X_ALT_DESC(exchange2ical);
  94         ical_property_X_MICROSOFT_CDO_ATTENDEE_CRITICAL_CHANGE(exchange2ical);
  95         ical_property_X_MICROSOFT_CDO_BUSYSTATUS(exchange2ical);
  96         /* Looks like this is no longer supposed to be used, and is ignored by most Outlook versions */
  97         /* ical_property_X_MICROSOFT_MSNCALENDAR_IMPORTANCE(exchange2ical); */
  98         ical_property_X_MICROSOFT_CDO_INTENDEDSTATUS(exchange2ical);
  99         ical_property_X_MICROSOFT_CDO_OWNERAPPTID(exchange2ical);
 100         ical_property_X_MICROSOFT_CDO_OWNER_CRITICAL_CHANGE(exchange2ical);
 101         ical_property_X_MICROSOFT_CDO_REPLYTIME(exchange2ical);
 102         ical_property_X_MICROSOFT_DISALLOW_COUNTER(exchange2ical);
 103         ical_property_X_MS_OLK_ALLOWEXTERNCHECK(exchange2ical);
 104         ical_property_X_MS_OLK_APPTLASTSEQUENCE(exchange2ical);
 105         ical_property_X_MS_OLK_APPTSEQTIME(exchange2ical);
 106         ical_property_X_MS_OLK_AUTOFILLLOCATION(exchange2ical);
 107         ical_property_X_MS_OLK_AUTOSTARTCHECK(exchange2ical);
 108         ical_property_X_MS_OLK_COLLABORATEDOC(exchange2ical);
 109         ical_property_X_MS_OLK_CONFCHECK(exchange2ical);
 110         ical_property_X_MS_OLK_CONFTYPE(exchange2ical);
 111         ical_property_X_MS_OLK_DIRECTORY(exchange2ical);
 112         ical_property_X_MS_OLK_MWSURL(exchange2ical);
 113         ical_property_X_MS_OLK_NETSHOWURL(exchange2ical);
 114         ical_property_X_MS_OLK_ONLINEPASSWORD(exchange2ical);
 115         ical_property_X_MS_OLK_ORGALIAS(exchange2ical);
 116         ical_property_X_MS_OLK_SENDER(exchange2ical);
 117         ical_component_VALARM(exchange2ical);
 118 }
 119
 120 /*
 121    VTIMEZONE component
 122  */
 123 void ical_component_VTIMEZONE(struct exchange2ical *exchange2ical)
 124 {
 125         exchange2ical->vtimezone = icalcomponent_new_vtimezone();
 126
 127         /* TZID property */
 128         if (exchange2ical->TimeZoneDesc) {
 129                 icalproperty *tzid = icalproperty_new_tzid(exchange2ical->TimeZoneDesc);
 130                 icalcomponent_add_property(exchange2ical->vtimezone, tzid);
 131         }
 132         /* STANDARD sub-component */
 133         if (exchange2ical->TimeZoneStruct) {
 134                 icalcomponent_add_component(exchange2ical->vcalendar, exchange2ical->vtimezone);
 135                 ical_component_STANDARD(exchange2ical);
 136
 137                 if (has_component_DAYLIGHT(exchange2ical)) {
 138                         ical_component_DAYLIGHT(exchange2ical);
 139                 }
 140         } else {
 141                 icalcomponent_free(exchange2ical->vtimezone);
 142         }
 143 }
 144
 145 /*
 146    STANDARD sub-component
 147  */
 148 void ical_component_STANDARD(struct exchange2ical *exchange2ical)
 149 {
 150         char            *dtstart = NULL;
 151         int32_t         tzoffsetfrom;
 152         int32_t         tzoffsetto;
 153         icalcomponent   *standard;
 154         icalproperty    *prop;
 155
 156         standard = icalcomponent_new_xstandard();
 157         icalcomponent_add_component(exchange2ical->vtimezone, standard);
 158
 159         /* DTSTART property */
 160         dtstart = get_ical_date(exchange2ical->mem_ctx, &(exchange2ical->TimeZoneStruct->stStandardDate));
 161         if (dtstart) {
 162                 prop = icalproperty_new_dtstart(icaltime_from_string(dtstart));
 163                 icalcomponent_add_property(standard, prop);
 164                 talloc_free(dtstart);
 165         }
 166
 167         /* RRULE Property */
 168         if (has_component_DAYLIGHT(exchange2ical)){
 169                 ical_property_RRULE_daylight_standard(standard,exchange2ical->TimeZoneStruct->stStandardDate);
 170         }
 171
 172         /* TZOFFSETFROM property */
 173         tzoffsetfrom = (-60 * (exchange2ical->TimeZoneStruct->lBias + exchange2ical->TimeZoneStruct->lDaylightBias));
 174         prop = icalproperty_new_tzoffsetfrom(tzoffsetfrom);
 175         icalcomponent_add_property(standard, prop);
 176
 177         /* TZOFFSETTO property */
 178         tzoffsetto = (-60 * (exchange2ical->TimeZoneStruct->lBias + exchange2ical->TimeZoneStruct->lStandardBias));
 179         prop = icalproperty_new_tzoffsetto(tzoffsetto);
 180         icalcomponent_add_property(standard, prop);
 181 }
 182
 183
 184 /*
 185    DAYLIGHT sub-component
 186  */
 187 void ical_component_DAYLIGHT(struct exchange2ical *exchange2ical)
 188 {
 189         char            *dtstart = NULL;
 190         int32_t         tzoffsetfrom;
 191         int32_t         tzoffsetto;
 192         icalcomponent   *daylight;
 193         icalproperty    *prop;
 194
 195         daylight = icalcomponent_new_xdaylight();
 196         icalcomponent_add_component(exchange2ical->vtimezone, daylight);
 197
 198         /* DTSTART property */
 199         dtstart = get_ical_date(exchange2ical->mem_ctx, &exchange2ical->TimeZoneStruct->stDaylightDate);
 200         if (dtstart) {
 201                 prop = icalproperty_new_dtstart(icaltime_from_string(dtstart));
 202                 icalcomponent_add_property(daylight, prop);
 203                 talloc_free(dtstart);
 204         }
 205
 206         /* RRULE property */
 207         ical_property_RRULE_daylight_standard(daylight,exchange2ical->TimeZoneStruct->stDaylightDate);
 208
 209         /* TZOFFSETFROM property */
 210         tzoffsetfrom = (-60 * (exchange2ical->TimeZoneStruct->lBias + exchange2ical->TimeZoneStruct->lStandardBias));
 211         prop = icalproperty_new_tzoffsetfrom(tzoffsetfrom);
 212         icalcomponent_add_property(daylight, prop);
 213
 214         /* TZOFFSETTO property */
 215         tzoffsetto = (-60 * (exchange2ical->TimeZoneStruct->lBias + exchange2ical->TimeZoneStruct->lDaylightBias));
 216         prop = icalproperty_new_tzoffsetto(tzoffsetto);
 217         icalcomponent_add_property(daylight, prop);
 218 }
 219
 220
 221 /*
 222    VALARM component
 223
 224    [MS-OXCICAL], Section 2.2.1.20.61
 225  */
 226 void ical_component_VALARM(struct exchange2ical *exchange2ical)
 227 {
 228         icalproperty *action;
 229         icalproperty *description;
 230
 231         /* Sanity check */
 232         if (!exchange2ical->vevent) return;
 233         if (!exchange2ical->ReminderSet) return;
 234         if (*exchange2ical->ReminderSet == false) return;
 235
 236         exchange2ical->valarm = icalcomponent_new_valarm();
 237         if (!(exchange2ical->valarm)) {
 238                 printf("could not create new valarm\n");
 239                 return;
 240         }
 241         icalcomponent_add_component(exchange2ical->vevent, exchange2ical->valarm);
 242         ical_property_TRIGGER(exchange2ical);
 243         action = icalproperty_new_action(ICAL_ACTION_DISPLAY);
 244         icalcomponent_add_property(exchange2ical->valarm, action);
 245         description = icalproperty_new_description("Reminder");
 246         icalcomponent_add_property(exchange2ical->valarm, description);
 247 }