*
* Copyright (c) 2007-2010 by Art Cancro
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
+void xmpp_fetch_mortuary_backend(long msgnum, void *userdata) {
+ HashList *mortuary = (HashList *) userdata;
+ struct CtdlMessage *msg;
+ char *ptr = NULL;
+ char *lasts = NULL;
+
+ msg = CtdlFetchMessage(msgnum, 1);
+ if (msg == NULL) {
+ return;
+ }
+
+ /* now add anyone we find into the hashlist */
+
+ /* skip past the headers */
+ ptr = strstr(msg->cm_fields['M'], "\n\n");
+ if (ptr != NULL) {
+ ptr += 2;
+ }
+ else {
+ ptr = strstr(msg->cm_fields['M'], "\n\r\n");
+ if (ptr != NULL) {
+ ptr += 3;
+ }
+ }
+
+ /* the remaining lines are addresses */
+ if (ptr != NULL) {
+ ptr = strtok_r(ptr, "\n", &lasts);
+ while (ptr != NULL) {
+ char *pch = strdup(ptr);
+ Put(mortuary, pch, strlen(pch), pch, NULL);
+ ptr = strtok_r(NULL, "\n", &lasts);
+ }
+ }
+
+ TRACE;
+ CtdlFreeMessage(msg);
+ TRACE;
+}
+
+
+
+/*
+ * Fetch the "mortuary" - a list of dead buddies which we keep around forever
+ * so we can remove them from any client's roster that still has them listed
+ */
+HashList *xmpp_fetch_mortuary(void) {
+ HashList *mortuary = NewHash(1, NULL);
+ if (!mortuary) {
+ CtdlLogPrintf(CTDL_ALERT, "NewHash() failed!\n");
+ return(NULL);
+ }
+
+ if (CtdlGetRoom(&CC->room, USERCONFIGROOM) != 0) {
+ /* no config room exists - no further processing is required. */
+ return(mortuary);
+ }
+ CtdlForEachMessage(MSGS_LAST, 1, NULL, XMPPMORTUARY, NULL,
+ xmpp_fetch_mortuary_backend, (void *)mortuary );
+
+ return(mortuary);
+}
+
+
+
+/*
+ * Fetch the "mortuary" - a list of dead buddies which we keep around forever
+ * so we can remove them from any client's roster that still has them listed
+ */
+void xmpp_store_mortuary(HashList *mortuary) {
+ HashPos *HashPos;
+ long len;
+ void *Value;
+ const char *Key;
+ StrBuf *themsg;
+
+ themsg = NewStrBuf();
+ StrBufPrintf(themsg, "Content-type: " XMPPMORTUARY "\n"
+ "Content-transfer-encoding: 7bit\n"
+ "\n"
+ );
+
+ HashPos = GetNewHashPos(mortuary, 0);
+ while (GetNextHashPos(mortuary, HashPos, &len, &Key, &Value) != 0)
+ {
+ StrBufAppendPrintf(themsg, "%s\n", (char *)Value);
+ }
+ DeleteHashPos(&HashPos);
+
+ /* Delete the old mortuary */
+ CtdlDeleteMessages(USERCONFIGROOM, NULL, 0, XMPPMORTUARY);
+
+ /* And save the new one to disk */
+ quickie_message("Citadel", NULL, NULL, USERCONFIGROOM, ChrPtr(themsg), 4, "XMPP Mortuary");
+ FreeStrBuf(&themsg);
+}
+
+
+
/*
* Upon logout we make an attempt to delete the whole roster, in order to
* try to keep "ghost" buddies from remaining in the client-side roster.
+ *
+ * Since the client is probably not still alive, also remember the current
+ * roster for next time so we can delete dead buddies then.
*/
void xmpp_massacre_roster(void)
{
struct CitContext *cptr;
int nContexts, i;
int aide = (CC->user.axlevel >= AxAideU);
+ HashList *mortuary = xmpp_fetch_mortuary();
cptr = CtdlGetContextArray(&nContexts);
if (cptr) {
(((cptr[i].cs_flags&CS_STEALTH)==0) || (aide))
&& (cptr[i].user.usernum != CC->user.usernum)
) {
- xmpp_destroy_buddy(cptr[i].cs_inet_email);
+ if (mortuary) {
+ char *buddy = strdup(cptr[i].cs_inet_email);
+ Put(mortuary, buddy, strlen(buddy), buddy, NULL);
+ }
}
}
}
free (cptr);
}
+
+ if (mortuary) {
+ xmpp_store_mortuary(mortuary);
+ DeleteHash(&mortuary);
+ }
}
+/*
+ * Stupidly, XMPP does not specify a way to tell the client to flush its client-side roster
+ * and prepare to receive a new one. So instead we remember every buddy we've ever told the
+ * client about, and push delete operations out at the beginning of a session.
+ */
+void xmpp_delete_old_buddies_who_no_longer_exist_from_the_client_roster(void)
+{
+ long len;
+ void *Value;
+ const char *Key;
+ HashList *mortuary = xmpp_fetch_mortuary();
+ HashPos *HashPos = GetNewHashPos(mortuary, 0);
+
+ /* FIXME delete from the list anyone who is currently online */
+
+ while (GetNextHashPos(mortuary, HashPos, &len, &Key, &Value) != 0)
+ {
+ CtdlLogPrintf(CTDL_DEBUG, "\033[31mDELETE: %s\033[0m\n", (char *)Value);
+ // FIXME xmpp_destroy_buddy((char *)Value);
+ }
+ DeleteHashPos(&HashPos);
+ DeleteHash(&mortuary);
+}