libical, expat, and libsieve are now *required*.
[citadel.git] / citadel / modules / jabber / xmpp_messages.c
1 /*
2  * $Id$ 
3  *
4  * Handle messages sent and received using XMPP (Jabber) protocol
5  *
6  * Copyright (c) 2007 by Art Cancro
7  * This code is released under the terms of the GNU General Public License.
8  *
9  */
10
11 #include "sysdep.h"
12 #include <stdlib.h>
13 #include <unistd.h>
14 #include <stdio.h>
15 #include <fcntl.h>
16 #include <signal.h>
17 #include <pwd.h>
18 #include <errno.h>
19 #include <sys/types.h>
20
21 #if TIME_WITH_SYS_TIME
22 # include <sys/time.h>
23 # include <time.h>
24 #else
25 # if HAVE_SYS_TIME_H
26 #  include <sys/time.h>
27 # else
28 #  include <time.h>
29 # endif
30 #endif
31
32 #include <sys/wait.h>
33 #include <string.h>
34 #include <limits.h>
35 #include <ctype.h>
36 #include <expat.h>
37 #include <libcitadel.h>
38 #include "citadel.h"
39 #include "server.h"
40 #include "citserver.h"
41 #include "support.h"
42 #include "config.h"
43 #include "internet_addressing.h"
44 #include "md5.h"
45 #include "ctdl_module.h"
46 #include "serv_xmpp.h"
47
48
49 /*
50  * This function is called by the XMPP service's async loop.
51  * If the client session has instant messages waiting, it outputs
52  * unsolicited XML stanzas containing them.
53  */
54 void jabber_output_incoming_messages(void) {
55
56         struct ExpressMessage *ptr;
57
58         while (CC->FirstExpressMessage != NULL) {
59
60                 begin_critical_section(S_SESSION_TABLE);
61                 ptr = CC->FirstExpressMessage;
62                 CC->FirstExpressMessage = CC->FirstExpressMessage->next;
63                 end_critical_section(S_SESSION_TABLE);
64
65                 cprintf("<message to=\"%s\" from=\"%s\" type=\"chat\">",
66                         XMPP->client_jid,
67                         ptr->sender_email);
68                 if (ptr->text != NULL) {
69                         striplt(ptr->text);
70                         cprintf("<body>%s</body>", ptr->text);
71                         free(ptr->text);
72                 }
73                 cprintf("</message>");
74                 free(ptr);
75         }
76 }
77
78 /*
79  * Client is sending a message.
80  */
81 void jabber_send_message(char *message_to, char *message_body) {
82         char *recp = NULL;
83         int message_sent = 0;
84         struct CitContext *cptr;
85
86         if (message_body == NULL) return;
87         if (message_to == NULL) return;
88         if (IsEmptyStr(message_to)) return;
89         if (!CC->logged_in) return;
90
91         for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
92                 if (cptr->logged_in) {
93                         if (!strcasecmp(cptr->cs_inet_email, message_to)) {
94                                 recp = cptr->user.fullname;
95                         }
96                 }
97         }
98
99         if (recp) {
100                 message_sent = PerformXmsgHooks(CC->user.fullname, CC->cs_inet_email, recp, message_body);
101         }
102
103         free(XMPP->message_body);
104         XMPP->message_body = NULL;
105         XMPP->message_to[0] = 0;
106 }
107