more log silencing.
[citadel.git] / citadel / modules / xmpp / xmpp_presence.c
index 5dadfe38ed60837b926fcfca6e54f2b177edbb95..4c4fa9335c5ed578b8eceaa8f72fe300d3048099 100644 (file)
@@ -1,11 +1,9 @@
 /*
- * $Id$ 
- *
  * Handle XMPP presence exchanges
  *
- * Copyright (c) 2007-2010 by Art Cancro
+ * Copyright (c) 2007-2015 by Art Cancro and citadel.org
  *
- * This program is free software; you can redistribute it and/or modify
+ * This program is open source 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.
  */
 void xmpp_indicate_presence(char *presence_jid)
 {
-       cprintf("<presence from=\"%s\" to=\"%s\"></presence>",
-               presence_jid,
-               XMPP->client_jid
-       );
+       char xmlbuf[256];
+
+       XMPP_syslog(LOG_DEBUG, "XMPP: indicating presence of <%s> to <%s>", presence_jid, XMPP->client_jid);
+       cprintf("<presence from=\"%s\" ", xmlesc(xmlbuf, presence_jid, sizeof xmlbuf));
+       cprintf("to=\"%s\"></presence>", xmlesc(xmlbuf, XMPP->client_jid, sizeof xmlbuf));
 }
 
 
@@ -121,8 +120,10 @@ void xmpp_wholist_presence_dump(void)
  * Function to remove a buddy subscription and delete from the roster
  * (used in several places)
  */
-void xmpp_destroy_buddy(char *presence_jid) {
+void xmpp_destroy_buddy(char *presence_jid, int aggressively) {
        static int unsolicited_id = 1;
+       char xmlbuf1[256];
+       char xmlbuf2[256];
 
        if (!presence_jid) return;
        if (!XMPP) return;
@@ -130,22 +131,34 @@ void xmpp_destroy_buddy(char *presence_jid) {
 
        /* Transmit non-presence information */
        cprintf("<presence type=\"unavailable\" from=\"%s\" to=\"%s\"></presence>",
-               presence_jid, XMPP->client_jid
-       );
-       cprintf("<presence type=\"unsubscribed\" from=\"%s\" to=\"%s\"></presence>",
-               presence_jid, XMPP->client_jid
+               xmlesc(xmlbuf1, presence_jid, sizeof xmlbuf1),
+               xmlesc(xmlbuf2, XMPP->client_jid, sizeof xmlbuf2)
        );
-       // FIXME ... we should implement xmpp_indicate_nonpresence so we can use it elsewhere
+
+       /*
+        * Setting the "aggressively" flag also sends an "unsubscribed" presence update.
+        * We only ask for this when flushing the client side roster, because if we do it
+        * in the middle of a session when another user logs off, some clients (Jitsi) interpret
+        * it as a rejection of a subscription request.
+        */
+       if (aggressively) {
+               cprintf("<presence type=\"unsubscribed\" from=\"%s\" to=\"%s\"></presence>",
+                       xmlesc(xmlbuf1, presence_jid, sizeof xmlbuf1),
+                       xmlesc(xmlbuf2, XMPP->client_jid, sizeof xmlbuf2)
+               );
+       }
+
+       // note: we should implement xmpp_indicate_nonpresence so we can use it elsewhere
 
        /* Do an unsolicited roster update that deletes the contact. */
        cprintf("<iq from=\"%s\" to=\"%s\" id=\"unbuddy_%x\" type=\"result\">",
-               CC->cs_inet_email,
-               XMPP->client_jid,
+               xmlesc(xmlbuf1, CC->cs_inet_email, sizeof xmlbuf1),
+               xmlesc(xmlbuf2, XMPP->client_jid, sizeof xmlbuf2),
                ++unsolicited_id
        );
        cprintf("<query xmlns=\"jabber:iq:roster\">");
-       cprintf("<item jid=\"%s\" subscription=\"remove\">", presence_jid);
-       cprintf("<group>%s</group>", config.c_humannode);
+       cprintf("<item jid=\"%s\" subscription=\"remove\">", xmlesc(xmlbuf1, presence_jid, sizeof xmlbuf1));
+       cprintf("<group>%s</group>", xmlesc(xmlbuf1, CtdlGetConfigStr("c_humannode"), sizeof xmlbuf1));
        cprintf("</item>");
        cprintf("</query>"
                "</iq>"
@@ -159,7 +172,7 @@ void xmpp_destroy_buddy(char *presence_jid) {
  */
 void xmpp_presence_notify(char *presence_jid, int event_type) {
        struct CitContext *cptr;
-       static int unsolicited_id;
+       static int unsolicited_id = 12345;
        int visible_sessions = 0;
        int nContexts, i;
        int which_cptr_is_relevant = (-1);
@@ -182,13 +195,11 @@ void xmpp_presence_notify(char *presence_jid, int event_type) {
                }
        }
 
-       CtdlLogPrintf(CTDL_DEBUG, "%d sessions for <%s> are now visible to session %d\n",
-               visible_sessions, presence_jid, CC->cs_pid);
+       XMPP_syslog(LOG_DEBUG, "%d sessions for <%s> are now visible to session %d\n", visible_sessions, presence_jid, CC->cs_pid);
 
        if ( (event_type == XMPP_EVT_LOGIN) && (visible_sessions == 1) ) {
 
-               CtdlLogPrintf(CTDL_DEBUG, "Telling session %d that <%s> logged in\n",
-                       CC->cs_pid, presence_jid);
+               XMPP_syslog(LOG_DEBUG, "Telling session %d that <%s> logged in\n", CC->cs_pid, presence_jid);
 
                /* Do an unsolicited roster update that adds a new contact. */
                assert(which_cptr_is_relevant >= 0);
@@ -202,9 +213,9 @@ void xmpp_presence_notify(char *presence_jid, int event_type) {
        }
 
        if (visible_sessions == 0) {
-               CtdlLogPrintf(CTDL_DEBUG, "Telling session %d that <%s> logged out\n",
-                       CC->cs_pid, presence_jid);
-               xmpp_destroy_buddy(presence_jid);
+               XMPP_syslog(LOG_DEBUG, "Telling session %d that <%s> logged out\n",
+                           CC->cs_pid, presence_jid);
+               xmpp_destroy_buddy(presence_jid, 0);    /* non aggressive presence update */
        }
 
        free(cptr);
@@ -218,7 +229,7 @@ void xmpp_fetch_mortuary_backend(long msgnum, void *userdata) {
        char *ptr = NULL;
        char *lasts = NULL;
 
-       msg = CtdlFetchMessage(msgnum, 1);
+       msg = CtdlFetchMessage(msgnum, 1, 1);
        if (msg == NULL) {
                return;
        }
@@ -226,12 +237,12 @@ void xmpp_fetch_mortuary_backend(long msgnum, void *userdata) {
        /* now add anyone we find into the hashlist */
 
        /* skip past the headers */
-       ptr = strstr(msg->cm_fields['M'], "\n\n");
+       ptr = strstr(msg->cm_fields[eMesageText], "\n\n");
        if (ptr != NULL) {
                ptr += 2;
        }
        else {
-               ptr = strstr(msg->cm_fields['M'], "\n\r\n");
+               ptr = strstr(msg->cm_fields[eMesageText], "\n\r\n");
                if (ptr != NULL) {
                        ptr += 3;
                }
@@ -247,7 +258,7 @@ void xmpp_fetch_mortuary_backend(long msgnum, void *userdata) {
                }
        }
 
-       CtdlFreeMessage(msg);
+       CM_Free(msg);
 }
 
 
@@ -259,7 +270,7 @@ void xmpp_fetch_mortuary_backend(long msgnum, void *userdata) {
 HashList *xmpp_fetch_mortuary(void) {
        HashList *mortuary = NewHash(1, NULL);
        if (!mortuary) {
-               CtdlLogPrintf(CTDL_ALERT, "NewHash() failed!\n");
+               XMPPM_syslog(LOG_ALERT, "NewHash() failed!\n");
                return(NULL);
        }
 
@@ -381,7 +392,7 @@ void xmpp_delete_old_buddies_who_no_longer_exist_from_the_client_roster(void)
                }
 
                if (!online_now) {
-                       xmpp_destroy_buddy((char *)Value);
+                       xmpp_destroy_buddy((char *)Value, 1);   /* aggressive presence update */
                }
 
        }