4 * Handle XMPP presence exchanges
6 * Copyright (c) 2007 by Art Cancro
7 * This code is released under the terms of the GNU General Public License.
19 #include <sys/types.h>
21 #if TIME_WITH_SYS_TIME
22 # include <sys/time.h>
26 # include <sys/time.h>
36 #include <libcitadel.h>
39 #include "citserver.h"
42 #include "internet_addressing.h"
44 #include "ctdl_module.h"
48 #include "serv_xmpp.h"
52 * Initial dump of the entire wholist
54 void jabber_wholist_presence_dump(void)
56 struct CitContext *cptr = NULL;
59 int aide = (CC->user.axlevel >= 6);
61 cptr = CtdlGetContextArray(&nContexts);
63 return ; /** FIXME: Does jabber need to send something to maintain the protocol? */
65 for (i=0; i<nContexts; i++) {
66 if (cptr[i].logged_in) {
68 (((cptr[i].cs_flags&CS_STEALTH)==0) || (aide)) /* aides see everyone */
69 && (cptr[i].user.usernum != CC->user.usernum) /* don't show myself */
71 cprintf("<presence type=\"available\" from=\"%s\"></presence>",
72 cptr[i].cs_inet_email);
82 * When a user logs in or out of the local Citadel system, notify all Jabber sessions
85 void xmpp_presence_notify(char *presence_jid, int event_type) {
86 struct CitContext *cptr;
87 static int unsolicited_id;
88 int visible_sessions = 0;
90 int aide = (CC->user.axlevel >= 6);
92 if (IsEmptyStr(presence_jid)) return;
94 cptr = CtdlGetContextArray(&nContexts);
96 return ; /** FIXME: Does jabber need to send something to maintain the protocol? */
98 /* Count the visible sessions for this user */
99 for (i=0; i<nContexts; i++) {
100 if (cptr[i].logged_in) {
101 if ( (!strcasecmp(cptr[i].cs_inet_email, presence_jid))
102 && (((cptr[i].cs_flags&CS_STEALTH)==0) || (aide))
109 lprintf(CTDL_DEBUG, "%d sessions for <%s> are now visible to session %d\n",
110 visible_sessions, presence_jid, CC->cs_pid);
112 if ( (event_type == XMPP_EVT_LOGIN) && (visible_sessions == 1) ) {
114 lprintf(CTDL_DEBUG, "Telling session %d that <%s> logged in\n", CC->cs_pid, presence_jid);
116 /* Do an unsolicited roster update that adds a new contact. */
117 for (i=0; i<nContexts; i++) {
118 if (cptr[i].logged_in) {
119 if (!strcasecmp(cptr[i].cs_inet_email, presence_jid)) {
120 cprintf("<iq id=\"unsolicited_%x\" type=\"result\">",
122 cprintf("<query xmlns=\"jabber:iq:roster\">");
123 jabber_roster_item(&cptr[i]);
130 /* Transmit presence information */
131 cprintf("<presence type=\"available\" from=\"%s\"></presence>", presence_jid);
134 if (visible_sessions == 0) {
135 lprintf(CTDL_DEBUG, "Telling session %d that <%s> logged out\n", CC->cs_pid, presence_jid);
137 /* Transmit non-presence information */
138 cprintf("<presence type=\"unavailable\" from=\"%s\"></presence>", presence_jid);
139 cprintf("<presence type=\"unsubscribed\" from=\"%s\"></presence>", presence_jid);
141 /* Do an unsolicited roster update that deletes the contact. */
142 cprintf("<iq id=\"unsolicited_%x\" type=\"result\">", ++unsolicited_id);
143 cprintf("<query xmlns=\"jabber:iq:roster\">");
144 cprintf("<item jid=\"%s\" subscription=\"remove\">", presence_jid);
145 cprintf("<group>%s</group>", config.c_humannode);
154 #endif /* HAVE_EXPAT */