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/*
* message.c
*
* Copyright (C) 2012 - 2014 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#include <stdlib.h>
#include <string.h>
#include <strophe.h>
#include "chat_session.h"
#include "config/preferences.h"
#include "log.h"
#include "muc.h"
#include "profanity.h"
#include "server_events.h"
#include "xmpp/connection.h"
#include "xmpp/message.h"
#include "xmpp/roster.h"
#include "roster_list.h"
#include "xmpp/stanza.h"
#include "xmpp/xmpp.h"
#define HANDLE(ns, type, func) xmpp_handler_add(conn, func, ns, STANZA_NAME_MESSAGE, type, ctx)
static int _groupchat_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata);
static int _chat_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata);
static int _muc_user_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata);
static int _conference_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata);
static int _captcha_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata);
static int _message_error_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata);
void
message_add_handlers(void)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
HANDLE(NULL, STANZA_TYPE_ERROR, _message_error_handler);
HANDLE(NULL, STANZA_TYPE_GROUPCHAT, _groupchat_handler);
HANDLE(NULL, STANZA_TYPE_CHAT, _chat_handler);
HANDLE(STANZA_NS_MUC_USER, NULL, _muc_user_handler);
HANDLE(STANZA_NS_CONFERENCE, NULL, _conference_handler);
HANDLE(STANZA_NS_CAPTCHA, NULL, _captcha_handler);
}
static void
_message_send(const char * const msg, const char * const recipient)
{
const char * jid = NULL;
if (roster_barejid_from_name(recipient) != NULL) {
jid = roster_barejid_from_name(recipient);
} else {
jid = recipient;
}
if (prefs_get_boolean(PREF_STATES)) {
if (!chat_session_exists(jid)) {
chat_session_start(jid, TRUE);
}
}
xmpp_stanza_t *message;
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
if (prefs_get_boolean(PREF_STATES) && chat_session_get_recipient_supports(jid)) {
chat_session_set_active(jid);
message = stanza_create_message(ctx, jid, STANZA_TYPE_CHAT,
msg, STANZA_NAME_ACTIVE);
} else {
message = stanza_create_message(ctx, jid, STANZA_TYPE_CHAT,
msg, NULL);
}
xmpp_send(conn, message);
xmpp_stanza_release(message);
}
static void
_message_send_groupchat(const char * const msg, const char * const recipient)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *message = stanza_create_message(ctx, recipient,
STANZA_TYPE_GROUPCHAT, msg, NULL);
xmpp_send(conn, message);
xmpp_stanza_release(message);
}
static void
_message_send_duck(const char * const query)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *message = stanza_create_message(ctx, "im@ddg.gg",
STANZA_TYPE_CHAT, query, NULL);
xmpp_send(conn, message);
xmpp_stanza_release(message);
}
static void
_message_send_invite(const char * const room, const char * const contact,
const char * const reason)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_invite(ctx, room, contact, reason);
xmpp_send(conn, stanza);
xmpp_stanza_release(stanza);
}
static void
_message_send_composing(const char * const recipient)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, recipient,
STANZA_NAME_COMPOSING);
xmpp_send(conn, stanza);
xmpp_stanza_release(stanza);
chat_session_set_sent(recipient);
}
static void
_message_send_paused(const char * const recipient)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, recipient,
STANZA_NAME_PAUSED);
xmpp_send(conn, stanza);
xmpp_stanza_release(stanza);
chat_session_set_sent(recipient);
}
static void
_message_send_inactive(const char * const recipient)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, recipient,
STANZA_NAME_INACTIVE);
xmpp_send(conn, stanza);
xmpp_stanza_release(stanza);
chat_session_set_sent(recipient);
}
static void
_message_send_gone(const char * const recipient)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, recipient,
STANZA_NAME_GONE);
xmpp_send(conn, stanza);
xmpp_stanza_release(stanza);
chat_session_set_sent(recipient);
}
static int
_message_error_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
char *id = xmpp_stanza_get_id(stanza);
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
xmpp_stanza_t *error_stanza = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_ERROR);
char *type = NULL;
if (error_stanza != NULL) {
type = xmpp_stanza_get_attribute(error_stanza, STANZA_ATTR_TYPE);
}
// stanza_get_error never returns NULL
char *err_msg = stanza_get_error_message(stanza);
GString *log_msg = g_string_new("message stanza error received");
if (id != NULL) {
g_string_append(log_msg, " id=");
g_string_append(log_msg, id);
}
if (from != NULL) {
g_string_append(log_msg, " from=");
g_string_append(log_msg, from);
}
if (type != NULL) {
g_string_append(log_msg, " type=");
g_string_append(log_msg, type);
}
g_string_append(log_msg, " error=");
g_string_append(log_msg, err_msg);
log_info(log_msg->str);
g_string_free(log_msg, TRUE);
handle_message_error(from, type, err_msg);
free(err_msg);
return 1;
}
static int
_muc_user_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_ctx_t *ctx = connection_get_ctx();
xmpp_stanza_t *xns_muc_user = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_MUC_USER);
char *room = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
if (room == NULL) {
log_warning("Message received with no from attribute, ignoring");
return 1;
}
// XEP-0045
xmpp_stanza_t *invite = xmpp_stanza_get_child_by_name(xns_muc_user, STANZA_NAME_INVITE);
if (invite != NULL) {
char *invitor_jid = xmpp_stanza_get_attribute(invite, STANZA_ATTR_FROM);
if (invitor_jid == NULL) {
log_warning("Chat room invite received with no from attribute");
return 1;
}
Jid *jidp = jid_create(invitor_jid);
if (jidp == NULL) {
return 1;
}
char *invitor = jidp->barejid;
char *reason = NULL;
xmpp_stanza_t *reason_st = xmpp_stanza_get_child_by_name(invite, STANZA_NAME_REASON);
if (reason_st != NULL) {
reason = xmpp_stanza_get_text(reason_st);
}
handle_room_invite(INVITE_MEDIATED, invitor, room, reason);
jid_destroy(jidp);
if (reason != NULL) {
xmpp_free(ctx, reason);
}
}
return 1;
}
static int
_conference_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_stanza_t *xns_conference = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CONFERENCE);
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
char *room = NULL;
char *invitor = NULL;
char *reason = NULL;
if (from == NULL) {
log_warning("Message received with no from attribute, ignoring");
return 1;
}
// XEP-0429
room = xmpp_stanza_get_attribute(xns_conference, STANZA_ATTR_JID);
if (room == NULL) {
return 1;
}
Jid *jidp = jid_create(from);
if (jidp == NULL) {
return 1;
}
invitor = jidp->barejid;
reason = xmpp_stanza_get_attribute(xns_conference, STANZA_ATTR_REASON);
handle_room_invite(INVITE_DIRECT, invitor, room, reason);
jid_destroy(jidp);
return 1;
}
static int
_captcha_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_ctx_t *ctx = connection_get_ctx();
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
if (from == NULL) {
log_warning("Message received with no from attribute, ignoring");
return 1;
}
// XEP-0158
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
if (body != NULL) {
char *message = xmpp_stanza_get_text(body);
if (message != NULL) {
handle_room_broadcast(from, message);
xmpp_free(ctx, message);
}
}
return 1;
}
static int
_groupchat_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata)
{
xmpp_ctx_t *ctx = connection_get_ctx();
char *message = NULL;
char *room_jid = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
Jid *jid = jid_create(room_jid);
// handle room subject
xmpp_stanza_t *subject = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_SUBJECT);
if (subject != NULL) {
message = xmpp_stanza_get_text(subject);
if (message != NULL) {
handle_room_subject(jid->barejid, message);
xmpp_free(ctx, message);
}
jid_destroy(jid);
return 1;
}
// handle room broadcasts
if (jid->resourcepart == NULL) {
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
if (body != NULL) {
message = xmpp_stanza_get_text(body);
if (message != NULL) {
handle_room_broadcast(room_jid, message);
xmpp_free(ctx, message);
}
}
jid_destroy(jid);
return 1;
}
if (!jid_is_valid_room_form(jid)) {
log_error("Invalid room JID: %s", jid->str);
jid_destroy(jid);
return 1;
}
// room not active in profanity
if (!muc_room_is_active(jid->barejid)) {
log_error("Message received for inactive chat room: %s", jid->str);
jid_destroy(jid);
return 1;
}
// determine if the notifications happened whilst offline
GTimeVal tv_stamp;
gboolean delayed = stanza_get_delay(stanza, &tv_stamp);
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
// check for and deal with message
if (body != NULL) {
message = xmpp_stanza_get_text(body);
if (message != NULL) {
if (delayed) {
handle_room_history(jid->barejid, jid->resourcepart, tv_stamp, message);
} else {
handle_room_message(jid->barejid, jid->resourcepart, message);
}
xmpp_free(ctx, message);
}
}
jid_destroy(jid);
return 1;
}
static int
_chat_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_ctx_t *ctx = connection_get_ctx();
gchar *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
Jid *jid = jid_create(from);
// handle ddg searches
if (strcmp(jid->barejid, "im@ddg.gg") == 0) {
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
if (body != NULL) {
char *message = xmpp_stanza_get_text(body);
if (message != NULL) {
handle_duck_result(message);
xmpp_free(ctx, message);
}
}
jid_destroy(jid);
return 1;
// private message from chat room use full jid (room/nick)
} else if (muc_room_is_active(jid->barejid)) {
// determine if the notifications happened whilst offline
GTimeVal tv_stamp;
gboolean delayed = stanza_get_delay(stanza, &tv_stamp);
// check for and deal with message
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
if (body != NULL) {
char *message = xmpp_stanza_get_text(body);
if (message != NULL) {
if (delayed) {
handle_delayed_message(jid->str, message, tv_stamp, TRUE);
} else {
handle_incoming_message(jid->str, message, TRUE);
}
xmpp_free(ctx, message);
}
}
jid_destroy(jid);
return 1;
// standard chat message, use jid without resource
} else {
// determine chatstate support of recipient
gboolean recipient_supports = FALSE;
if (stanza_contains_chat_state(stanza)) {
recipient_supports = TRUE;
}
// create or update chat session
if (!chat_session_exists(jid->barejid)) {
chat_session_start(jid->barejid, recipient_supports);
} else {
chat_session_set_recipient_supports(jid->barejid, recipient_supports);
}
// determine if the notifications happened whilst offline
GTimeVal tv_stamp;
gboolean delayed = stanza_get_delay(stanza, &tv_stamp);
// deal with chat states if recipient supports them
if (recipient_supports && (!delayed)) {
if (xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_COMPOSING) != NULL) {
handle_typing(jid->barejid);
} else if (xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_GONE) != NULL) {
handle_gone(jid->barejid);
} else if (xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_PAUSED) != NULL) {
// do something
} else if (xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_INACTIVE) != NULL) {
// do something
} else { // handle <active/>
// do something
}
}
// check for and deal with message
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
if (body != NULL) {
char *message = xmpp_stanza_get_text(body);
if (message != NULL) {
if (delayed) {
handle_delayed_message(jid->barejid, message, tv_stamp, FALSE);
} else {
handle_incoming_message(jid->barejid, message, FALSE);
}
xmpp_free(ctx, message);
}
}
jid_destroy(jid);
return 1;
}
}
void
message_init_module(void)
{
message_send = _message_send;
message_send_groupchat = _message_send_groupchat;
message_send_duck = _message_send_duck;
message_send_invite = _message_send_invite;
message_send_composing = _message_send_composing;
message_send_paused = _message_send_paused;
message_send_inactive = _message_send_inactive;
message_send_gone = _message_send_gone;
}
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