monitor.c

  1/*!
  2 * @file File: monitor.c
  3 *
  4 * vim: expandtab:ts=2:sts=2:sw=2
  5 *
  6 * @copyright 
  7 * 
  8 * Copyright (C) 2020 Anoxinon e.V. 
  9 *
 10 * This file is part of xmppc.
 11 *
 12 * xmppc is free software: you can redistribute it and/or modify
 13 * it under the terms of the GNU General Public License as published by
 14 * the Free Software Foundation, either version 3 of the License, or
 15 * (at your option) any later version.
 16 *
 17 * xmppc is distributed in the hope that it will be useful,
 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 * GNU General Public License for more details.
 21 *
 22 * You should have received a copy of the GNU General Public License
 23 * along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 24 *
 25 * German
 26 *
 27 * Diese Datei ist Teil von xmppc.
 28 *
 29 * xmppc ist Freie Software: Sie können es unter den Bedingungen
 30 * der GNU General Public License, wie von der Free Software Foundation,
 31 * Version 3 der Lizenz oder (nach Ihrer Wahl) jeder neueren
 32 * veröffentlichten Version, weiter verteilen und/oder modifizieren.
 33 *
 34 * xmppc wird in der Hoffnung, dass es nützlich sein wird, aber
 35 * OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
 36 * Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
 37 * Siehe die GNU General Public License für weitere Details.
 38 *
 39 * Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
 40 * Programm erhalten haben. Wenn nicht, siehe <https://www.gnu.org/licenses/>.
 41 */
 42
 43#include "monitor.h"
 44#include "stdio.h"
 45#include "string.h"
 46
 47static int _monitor_log_stanza(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata);
 48static int _monitor_show_microblog(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata);
 49
 50void monitor_execute_command(xmppc_t *xmppc, int argc, char *argv[]) {
 51  if(argc > 0 && strcmp("stanza", argv[0]) == 0) {
 52    xmpp_handler_add(xmppc->conn, _monitor_log_stanza, NULL, NULL, NULL, NULL);
 53#ifdef XMPPC_DEVELOPMENT 
 54  } else if (argc > 0 && strcmp("microblog", argv[0]) == 0) {
 55    xmpp_handler_add(xmppc->conn, _monitor_show_microblog, NULL, NULL, NULL, NULL);
 56#endif
 57  } else {
 58    printf("Command unbekannt!");
 59    xmpp_disconnect(xmppc->conn);
 60  }
 61    // presence 
 62    xmpp_stanza_t *presence = xmpp_presence_new(xmppc->ctx);
 63    char* id = xmpp_uuid_gen(xmppc->ctx);
 64    xmpp_stanza_set_id(presence, id);
 65    xmpp_send(xmppc->conn, presence);
 66    xmpp_stanza_release(presence);
 67
 68    // XEP-0280: Message Carbons
 69    xmpp_stanza_t *carbons = xmpp_iq_new(xmppc->ctx, "set", xmpp_uuid_gen(xmppc->ctx));
 70    xmpp_stanza_t* enable = xmpp_stanza_new(xmppc->ctx);
 71    xmpp_stanza_set_name(enable, "enable");
 72    xmpp_stanza_set_ns(enable, "urn:xmpp:carbons:2");
 73    xmpp_stanza_add_child(carbons,enable);
 74    xmpp_send(xmppc->conn,carbons);
 75}
 76
 77int _monitor_log_stanza(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata){
 78  char* s;
 79  size_t len;
 80  xmpp_stanza_to_text(stanza,&s,&len);
 81
 82  char* color = "\x1b[m";
 83  if(strcmp(xmpp_stanza_get_name(stanza), "iq") == 0 ) color = ANSI_COLOR_YELLOW;
 84  if(strcmp(xmpp_stanza_get_name(stanza), "message") == 0 ) {
 85    color = ANSI_COLOR_BLUE;
 86     if(strcmp("headline", xmpp_stanza_get_type(stanza)) == 0) {
 87      color = ANSI_COLOR_CYAN;
 88    }
 89  }
 90
 91  if(strcmp(xmpp_stanza_get_name(stanza), "presence") == 0 ) color = ANSI_COLOR_GREEN;
 92  if(xmpp_stanza_get_type(stanza) != NULL) 
 93  if(strcmp(xmpp_stanza_get_type(stanza), "error") == 0 ) color = ANSI_COLOR_B_RED;
 94
 95  printf("%s%s\x1b[m\n", color, s);
 96  return 1;
 97}
 98
 99/* XEP-0277: Microblogging over XMPP */
100int _monitor_show_microblog(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata){
101  xmpp_stanza_t *log = stanza;
102  if(strcmp(xmpp_stanza_get_name(stanza), "message") == 0 ) {
103    xmpp_stanza_t* event = xmpp_stanza_get_child_by_name(stanza, "event");
104    if(event != NULL && 
105      strcmp(xmpp_stanza_get_ns(event), "http://jabber.org/protocol/pubsub#event") ==0) {
106      char* body_text = xmpp_message_get_body(stanza);
107      printf("Event: %s\n", body_text);
108      xmpp_stanza_t * items = xmpp_stanza_get_child_by_name(event,"items");
109      if( items != NULL && strcmp("urn:xmpp:microblog:0", xmpp_stanza_get_attribute(items, "node" )) == 0) {
110      printf("urn:xmpp:microblog:0 items found!\n");
111      }
112    }
113  }
114
115  if(log) {
116    _monitor_log_stanza(conn, stanza, userdata);
117  }
118
119  return 1;
120}
121