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         time(&CC->lastidle);
 107 }
 108