Server-side changes to allow users to submit messages
[citadel.git] / citadel / serv_calendar.c
index 789e3c7614023ee7cfd9840270bd46f0fea3df8e..a36926c3072215f47e8fbe780352c0abcd8ebf55 100644 (file)
@@ -182,12 +182,8 @@ void ical_add(icalcomponent *cal, int recursion_level) {
  * Send a reply to a meeting invitation.
  *
  * 'request' is the invitation to reply to.
- * 'action' is the string "accept" or "decline".
+ * 'action' is the string "accept" or "decline" or "tentative".
  *
- * (Sorry about this being more than 80 columns ... there was just
- * no easy way to break it down sensibly.)
- * 
- * ok
  */
 void ical_send_a_reply(icalcomponent *request, char *action) {
        icalcomponent *the_reply = NULL;
@@ -299,7 +295,6 @@ void ical_send_a_reply(icalcomponent *request, char *action) {
                                        icalproperty_get_summary(summary) );
                        }
                }
-
        }
 
        /* Now generate the reply message and send it out. */
@@ -319,6 +314,7 @@ void ical_send_a_reply(icalcomponent *request, char *action) {
                        "",                     /* cc */
                        CC->room.QRname, 0, FMT_RFC822,
                        "",
+                       "",
                        summary_string,         /* Use summary for subject */
                        NULL,
                        reply_message_text);
@@ -690,6 +686,7 @@ int ical_update_my_calendar_with_reply(icalcomponent *cal) {
                        roomname,
                        0, FMT_RFC822,
                        "",
+                       "",
                        "",             /* no subject */
                        NULL,
                        message_text);
@@ -976,7 +973,8 @@ void ical_hunt_for_conflicts(icalcomponent *cal) {
 
        cprintf("%d Conflicting events:\n", LISTING_FOLLOWS);
 
-       CtdlForEachMessage(MSGS_ALL, 0, NULL, "text/calendar",
+       CtdlForEachMessage(MSGS_ALL, 0, NULL,
+               NULL,
                NULL,
                ical_hunt_for_conflicts_backend,
                (void *) cal
@@ -1281,9 +1279,7 @@ void ical_freebusy(char *who) {
 
        /* Add busy time from events */
        lprintf(CTDL_DEBUG, "Adding busy time from events\n");
-       CtdlForEachMessage(MSGS_ALL, 0, NULL, "text/calendar",
-               NULL, ical_freebusy_backend, (void *)fb
-       );
+       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.
@@ -1422,7 +1418,7 @@ void ical_getics(void)
 
        /* Now go through the room encapsulating all calendar items. */
        CtdlForEachMessage(MSGS_ALL, 0, NULL,
-               "text/calendar",
+               NULL,
                NULL,
                ical_getics_backend,
                (void *) encaps
@@ -1762,6 +1758,7 @@ void ical_send_out_invitations(icalcomponent *cal) {
                        "",                     /* No single recipient here */
                        CC->room.QRname, 0, FMT_RFC822,
                        "",
+                       "",
                        summary_string,         /* Use summary for subject */
                        NULL,
                        request_message_text);
@@ -1788,6 +1785,8 @@ void ical_saving_vevent(icalcomponent *cal) {
        icalproperty *organizer = NULL;
        char organizer_string[SIZ];
 
+       lprintf(CTDL_DEBUG, "ical_saving_vevent() has been called!\n");
+
        /* Don't send out invitations unless the client wants us to. */
        if (CIT_ICAL->server_generated_invitations == 0) {
                return;
@@ -1854,53 +1853,57 @@ void ical_ctdl_set_exclusive_msgid(char *name, char *filename, char *partnum,
 
        imm = (struct icalmessagemod *)cbuserdata;
 
-       /* If this is a text/calendar object, hunt for the UID and drop it in
+       /* We're only interested in calendar data. */
+       if (strcasecmp(cbtype, "text/calendar")) {
+               return;
+       }
+
+       /* Hunt for the UID and drop it in
         * the "user data" pointer for the MIME parser.  When
         * ical_obj_beforesave() sees it there, it'll set the Exclusive msgid
         * to that string.
         */
-       if (!strcasecmp(cbtype, "text/calendar")) {
-               whole_cal = icalcomponent_new_from_string(content);
-               cal = whole_cal;
-               if (cal != NULL) {
-                       if (icalcomponent_isa(cal) == ICAL_VCALENDAR_COMPONENT) {
-                               nested_event = icalcomponent_get_first_component(
-                                       cal, ICAL_VEVENT_COMPONENT);
-                               if (nested_event != NULL) {
-                                       cal = nested_event;
-                               }
-                               else {
-                                       nested_todo = icalcomponent_get_first_component(
-                                               cal, ICAL_VTODO_COMPONENT);
-                                       if (nested_todo != NULL) 
-                                               cal = nested_todo;
+       whole_cal = icalcomponent_new_from_string(content);
+       cal = whole_cal;
+       if (cal != NULL) {
+               if (icalcomponent_isa(cal) == ICAL_VCALENDAR_COMPONENT) {
+                       nested_event = icalcomponent_get_first_component(
+                               cal, ICAL_VEVENT_COMPONENT);
+                       if (nested_event != NULL) {
+                               cal = nested_event;
+                       }
+                       else {
+                               nested_todo = icalcomponent_get_first_component(
+                                       cal, ICAL_VTODO_COMPONENT);
+                               if (nested_todo != NULL) {
+                                       cal = nested_todo;
                                }
                        }
-                       
-                       if (cal != NULL) {
+               }
+               
+               if (cal != NULL) {
+                       p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
+                       if (p == NULL) {
+                               /* If there's no uid we must generate one */
+                               generate_uuid(new_uid);
+                               icalcomponent_add_property(cal, icalproperty_new_uid(new_uid));
                                p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
-                               if (p == NULL) {
-                                       /* If there's no uid we must generate one */
-                                       generate_uuid(new_uid);
-                                       icalcomponent_add_property(cal, icalproperty_new_uid(new_uid));
-                                       p = ical_ctdl_get_subprop(cal, ICAL_UID_PROPERTY);
-                               }
-                               if (p != NULL) {
-                                       strcpy(imm->uid, icalproperty_get_comment(p));
-                                       /* strcpy(imm->subject, icalproperty_get_comment(p)); old aethera hack */
-                               }
-                               p = ical_ctdl_get_subprop(cal, ICAL_SUMMARY_PROPERTY);
-                               if (p != NULL) {
-                                       strcpy(imm->subject, icalproperty_get_comment(p));
-                               }
-                               p = ical_ctdl_get_subprop(cal, ICAL_DTSTART_PROPERTY);
-                               if (p != NULL) {
-                                       imm->dtstart = icaltime_as_timet(icalproperty_get_dtstart(p));
-                               }
                        }
-                       icalcomponent_free(cal);
-                       if (whole_cal != cal)
-                           icalcomponent_free(whole_cal);
+                       if (p != NULL) {
+                               strcpy(imm->uid, icalproperty_get_comment(p));
+                       }
+                       p = ical_ctdl_get_subprop(cal, ICAL_SUMMARY_PROPERTY);
+                       if (p != NULL) {
+                               strcpy(imm->subject, icalproperty_get_comment(p));
+                       }
+                       p = ical_ctdl_get_subprop(cal, ICAL_DTSTART_PROPERTY);
+                       if (p != NULL) {
+                               imm->dtstart = icaltime_as_timet(icalproperty_get_dtstart(p));
+                       }
+               }
+               icalcomponent_free(cal);
+               if (whole_cal != cal) {
+                       icalcomponent_free(whole_cal);
                }
        }
 }
@@ -1921,66 +1924,58 @@ void ical_ctdl_set_exclusive_msgid(char *name, char *filename, char *partnum,
  */
 int ical_obj_beforesave(struct CtdlMessage *msg)
 {
-       char *p;
-       int a;
        struct icalmessagemod imm;
 
        /* First determine if this is a calendar or tasks room */
-       if ( (CC->room.QRdefaultview != VIEW_CALENDAR)
-          &&(CC->room.QRdefaultview != VIEW_TASKS) ) {
+       if (  (CC->room.QRdefaultview != VIEW_CALENDAR)
+          && (CC->room.QRdefaultview != VIEW_TASKS)
+       ) {
                return(0);              /* Not a vCalendar-centric room */
        }
 
        /* It must be an RFC822 message! */
        if (msg->cm_format_type != 4) {
-               return 1;       /* You tried to save a non-RFC822 message! */
+               lprintf(CTDL_DEBUG, "Rejecting non-RFC822 message\n");
+               return(1);              /* You tried to save a non-RFC822 message! */
+       }
+
+       if (msg->cm_fields['M'] == NULL) {
+               return(1);              /* You tried to save a null message! */
        }
+
+       memset(&imm, 0, sizeof(struct icalmessagemod));
        
-       /* Find the Content-Type: header */
-       p = msg->cm_fields['M'];
-       a = strlen(p);
-       while (--a > 0) {
-               if (!strncasecmp(p, "Content-Type: ", 14)) {    /* Found it */
-                       if (!strncasecmp(p + 14, "text/calendar", 13)) {
-                               memset(&imm, 0, sizeof(struct icalmessagemod));
-                               mime_parser(msg->cm_fields['M'],
-                                       NULL,
-                                       *ical_ctdl_set_exclusive_msgid,
-                                       NULL, NULL,
-                                       (void *)&imm,
-                                       0
-                               );
-                               if (strlen(imm.uid) > 0) {
-                                       if (msg->cm_fields['E'] != NULL) {
-                                               free(msg->cm_fields['E']);
-                                       }
-                                       msg->cm_fields['E'] = strdup(imm.uid);
-                               }
-                               if (strlen(imm.subject) > 0) {
-                                       if (msg->cm_fields['U'] != NULL) {
-                                               free(msg->cm_fields['U']);
-                                       }
-                                       msg->cm_fields['U'] = strdup(imm.subject);
-                               }
-                               if (imm.dtstart > 0) {
-                                       if (msg->cm_fields['T'] != NULL) {
-                                               free(msg->cm_fields['T']);
-                                       }
-                                       msg->cm_fields['T'] = strdup("000000000000000000");
-                                       sprintf(msg->cm_fields['T'], "%ld", imm.dtstart);
-                               }
-                               return 0;
-                       }
-                       else {
-                               return 1;
-                       }
+       /* Do all of our lovely back-end parsing */
+       mime_parser(msg->cm_fields['M'],
+               NULL,
+               *ical_ctdl_set_exclusive_msgid,
+               NULL, NULL,
+               (void *)&imm,
+               0
+       );
+
+       if (strlen(imm.uid) > 0) {
+               if (msg->cm_fields['E'] != NULL) {
+                       free(msg->cm_fields['E']);
                }
-               p++;
+               msg->cm_fields['E'] = strdup(imm.uid);
+               lprintf(CTDL_DEBUG, "Saving calendar UID <%s>\n", msg->cm_fields['E']);
        }
-       
-       /* Oops!  No Content-Type in this message!  How'd that happen? */
-       lprintf(CTDL_ERR, "RFC822 message with no Content-Type header!\n");
-       return 1;
+       if (strlen(imm.subject) > 0) {
+               if (msg->cm_fields['U'] != NULL) {
+                       free(msg->cm_fields['U']);
+               }
+               msg->cm_fields['U'] = strdup(imm.subject);
+       }
+       if (imm.dtstart > 0) {
+               if (msg->cm_fields['T'] != NULL) {
+                       free(msg->cm_fields['T']);
+               }
+               msg->cm_fields['T'] = strdup("000000000000000000");
+               sprintf(msg->cm_fields['T'], "%ld", imm.dtstart);
+       }
+
+       return(0);
 }
 
 
@@ -1993,7 +1988,12 @@ void ical_obj_aftersave_backend(char *name, char *filename, char *partnum,
 {
        icalcomponent *cal;
 
-       /* If this is a text/calendar object, hunt for the UID and drop it in
+       /* We're only interested in calendar items here. */
+       if (strcasecmp(cbtype, "text/calendar")) {
+               return;
+       }
+
+       /* Hunt for the UID and drop it in
         * the "user data" pointer for the MIME parser.  When
         * ical_obj_beforesave() sees it there, it'll set the Exclusive msgid
         * to that string.
@@ -2010,12 +2010,12 @@ void ical_obj_aftersave_backend(char *name, char *filename, char *partnum,
 
 /* 
  * Things we need to do after saving a calendar event.
+ * (This will start back end tasks such as automatic generation of invitations,
+ * if such actions are appropriate.)
  */
 int ical_obj_aftersave(struct CtdlMessage *msg)
 {
        char roomname[ROOMNAMELEN];
-       char *p;
-       int a;
 
        /*
         * If this isn't the Calendar> room, no further action is necessary.
@@ -2024,39 +2024,25 @@ int ical_obj_aftersave(struct CtdlMessage *msg)
        /* First determine if this is our room */
        MailboxName(roomname, sizeof roomname, &CC->user, USERCALENDARROOM);
        if (strcasecmp(roomname, CC->room.QRname)) {
-               return 0;       /* It's not the Calendar room. */
+               return(0);      /* Not the Calendar room -- don't do anything. */
        }
 
-       /* Then determine content-type of the message */
-       
        /* It must be an RFC822 message! */
        if (msg->cm_format_type != 4) return(1);
+
+       /* Reject null messages */
+       if (msg->cm_fields['M'] == NULL) return(1);
        
-       /* Find the Content-Type: header */
-       p = msg->cm_fields['M'];
-       a = strlen(p);
-       while (--a > 0) {
-               if (!strncasecmp(p, "Content-Type: ", 14)) {    /* Found it */
-                       if (!strncasecmp(p + 14, "text/calendar", 13)) {
-                               mime_parser(msg->cm_fields['M'],
-                                       NULL,
-                                       *ical_obj_aftersave_backend,
-                                       NULL, NULL,
-                                       NULL,
-                                       0
-                               );
-                               return 0;
-                       }
-                       else {
-                               return 1;
-                       }
-               }
-               p++;
-       }
-       
-       /* Oops!  No Content-Type in this message!  How'd that happen? */
-       lprintf(CTDL_ERR, "RFC822 message with no Content-Type header!\n");
-       return 1;
+       /* Now recurse through it looking for our icalendar data */
+       mime_parser(msg->cm_fields['M'],
+               NULL,
+               *ical_obj_aftersave_backend,
+               NULL, NULL,
+               NULL,
+               0
+       );
+
+       return(0);
 }