1 /*
2 * jabberd - Jabber Open Source Server
3 * Copyright (c) 2002 Jeremie Miller, Thomas Muldowney,
4 * Ryan Eatmon, Robert Norris
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
19 */
20
21 #include "sm.h"
22
23 /** @file sm/mod_iq_last.c
24 * @brief last activity
25 * @author Robert Norris
26 * $Date: 2005/08/17 07:48:28 $
27 * $Revision: 1.18 $
28 */
29
30 #define uri_LAST "jabber:iq:last"
31 static int ns_LAST = 0;
32
_iq_last_pkt_sm(mod_instance_t mi,pkt_t pkt)33 static mod_ret_t _iq_last_pkt_sm(mod_instance_t mi, pkt_t pkt) {
34 module_t mod = mi->mod;
35 char uptime[10];
36
37 /* we only want to play with iq:last gets */
38 if(pkt->type != pkt_IQ || pkt->ns != ns_LAST)
39 return mod_PASS;
40
41 snprintf(uptime, 10, "%d", (int) (time(NULL) - (time_t) mod->private));
42 nad_set_attr(pkt->nad, 2, -1, "seconds", uptime, 0);
43
44 /* tell them */
45 nad_set_attr(pkt->nad, 1, -1, "type", "result", 6);
46 pkt_router(pkt_tofrom(pkt));
47
48 return mod_HANDLED;
49 }
50
_iq_last_pkt_user(mod_instance_t mi,user_t user,pkt_t pkt)51 static mod_ret_t _iq_last_pkt_user(mod_instance_t mi, user_t user, pkt_t pkt) {
52 char lasttime[10];
53 time_t t;
54 os_t os;
55 os_object_t o;
56 st_ret_t ret;
57
58 /* we only want to play with iq:last gets */
59 if(pkt->type != pkt_IQ || pkt->ns != ns_LAST)
60 return mod_PASS;
61
62 /* make sure they're allowed */
63 if(!pres_trust(user, pkt->from))
64 return -stanza_err_FORBIDDEN;
65
66 /* If the IQ was sent to a JID with a resource, then XMPP-IM 11.1.1
67 * requires we deliver it if that resource is available
68 */
69 if (*pkt->to->resource != '\0')
70 return mod_PASS;
71
72 /* If they have an available resource, we should return a query element with a
73 * seconds value of 0
74 */
75 if(user->top != NULL)
76 {
77 nad_set_attr(pkt->nad, 2, -1, "seconds", "0", 0);
78 nad_set_attr(pkt->nad, 1, -1, "type", "result", 6);
79 pkt_router(pkt_tofrom(pkt));
80
81 return mod_HANDLED;
82 }
83
84 ret = storage_get(user->sm->st, "logout", jid_user(user->jid), NULL, &os);
85 switch(ret) {
86 case st_SUCCESS:
87 t = 0;
88
89 if(os_iter_first(os)) {
90 o = os_iter_object(os);
91
92 os_object_get_time(os, o, "time", &t);
93 }
94
95 os_free(os);
96
97 snprintf(lasttime, 10, "%d", (int) (time(NULL) - t));
98 nad_set_attr(pkt->nad, 2, -1, "seconds", lasttime, 0);
99
100 nad_set_attr(pkt->nad, 1, -1, "type", "result", 6);
101 pkt_router(pkt_tofrom(pkt));
102
103 return mod_HANDLED;
104
105 case st_FAILED:
106 return -stanza_err_INTERNAL_SERVER_ERROR;
107
108 case st_NOTFOUND:
109 return -stanza_err_SERVICE_UNAVAILABLE;
110
111 case st_NOTIMPL:
112 return -stanza_err_FEATURE_NOT_IMPLEMENTED;
113 }
114
115 /* we never get here */
116 return -stanza_err_INTERNAL_SERVER_ERROR;
117 }
118
_iq_last_sess_end(mod_instance_t mi,sess_t sess)119 static void _iq_last_sess_end(mod_instance_t mi, sess_t sess) {
120 time_t t;
121 os_t os;
122 os_object_t o;
123
124 /* store their logout time */
125 t = time(NULL);
126
127 os = os_new();
128 o = os_object_new(os);
129
130 os_object_put_time(o, "time", &t);
131
132 storage_replace(sess->user->sm->st, "logout", jid_user(sess->jid), NULL, os);
133
134 os_free(os);
135 }
136
_iq_last_user_delete(mod_instance_t mi,jid_t jid)137 static void _iq_last_user_delete(mod_instance_t mi, jid_t jid) {
138 log_debug(ZONE, "deleting logout time for %s", jid_user(jid));
139
140 storage_delete(mi->sm->st, "logout", jid_user(jid), NULL);
141 }
142
_iq_last_free(module_t mod)143 static void _iq_last_free(module_t mod) {
144 sm_unregister_ns(mod->mm->sm, uri_LAST);
145 feature_unregister(mod->mm->sm, uri_LAST);
146 }
147
module_init(mod_instance_t mi,const char * arg)148 DLLEXPORT int module_init(mod_instance_t mi, const char *arg) {
149 module_t mod = mi->mod;
150
151 if(mod->init) return 0;
152
153 mod->sess_end = _iq_last_sess_end;
154 mod->pkt_user = _iq_last_pkt_user;
155 mod->pkt_sm = _iq_last_pkt_sm;
156 mod->user_delete = _iq_last_user_delete;
157 mod->free = _iq_last_free;
158
159 /* startup time */
160 mod->private = (void *) time(NULL);
161
162 ns_LAST = sm_register_ns(mod->mm->sm, uri_LAST);
163 feature_register(mod->mm->sm, uri_LAST);
164
165 return 0;
166 }
167