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profanity/src/xmpp/presence.c
Dominik Heidler 4b1481987d Fix typo: diso -> disco
2016-04-01 12:09:35 +02:00

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/*
* presence.c
*
* Copyright (C) 2012 - 2016 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 "config.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#ifdef HAVE_LIBMESODE
#include <mesode.h>
#endif
#ifdef HAVE_LIBSTROPHE
#include <strophe.h>
#endif
#include "common.h"
#include "config/preferences.h"
#include "log.h"
#include "muc.h"
#include "profanity.h"
#include "ui/ui.h"
#include "event/server_events.h"
#include "xmpp/capabilities.h"
#include "xmpp/connection.h"
#include "xmpp/stanza.h"
#include "xmpp/xmpp.h"
#include "plugins/plugins.h"
static Autocomplete sub_requests_ac;
static int _presence_handler(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata);
static void _presence_error_handler(xmpp_stanza_t *const stanza);
static void _unavailable_handler(xmpp_stanza_t *const stanza);
static void _subscribe_handler(xmpp_stanza_t *const stanza);
static void _subscribed_handler(xmpp_stanza_t *const stanza);
static void _unsubscribed_handler(xmpp_stanza_t *const stanza);
static void _muc_user_handler(xmpp_stanza_t *const stanza);
static void _available_handler(xmpp_stanza_t *const stanza);
void _send_caps_request(char *node, char *caps_key, char *id, char *from);
static void _send_room_presence(xmpp_stanza_t *presence);
static void _send_presence_stanza(xmpp_stanza_t *const stanza);
void
presence_sub_requests_init(void)
{
sub_requests_ac = autocomplete_new();
}
static int
_presence_handler(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata)
{
log_debug("Presence stanza handler fired");
char *text;
size_t text_size;
xmpp_stanza_to_text(stanza, &text, &text_size);
gboolean cont = plugins_on_presence_stanza_receive(text);
if (!cont) {
return 1;
}
char *type = xmpp_stanza_get_type(stanza);
if (g_strcmp0(type, STANZA_TYPE_ERROR) == 0) {
_presence_error_handler(stanza);
}
if (g_strcmp0(type, STANZA_TYPE_UNAVAILABLE) == 0) {
_unavailable_handler(stanza);
}
if (g_strcmp0(type, STANZA_TYPE_SUBSCRIBE) == 0) {
_subscribe_handler(stanza);
}
if (g_strcmp0(type, STANZA_TYPE_SUBSCRIBED) == 0) {
_subscribed_handler(stanza);
}
if (g_strcmp0(type, STANZA_TYPE_UNSUBSCRIBED) == 0) {
_unsubscribed_handler(stanza);
}
xmpp_stanza_t *mucuser = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_MUC_USER);
if (mucuser) {
_muc_user_handler(stanza);
}
_available_handler(stanza);
return 1;
}
void
presence_add_handlers(void)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_handler_add(conn, _presence_handler, NULL, STANZA_NAME_PRESENCE, NULL, ctx);
}
void
presence_subscription(const char *const jid, const jabber_subscr_t action)
{
assert(jid != NULL);
xmpp_ctx_t * const ctx = connection_get_ctx();
const char *type = NULL;
Jid *jidp = jid_create(jid);
autocomplete_remove(sub_requests_ac, jidp->barejid);
switch (action)
{
case PRESENCE_SUBSCRIBE:
log_debug("Sending presence subscribe: %s", jid);
type = STANZA_TYPE_SUBSCRIBE;
break;
case PRESENCE_SUBSCRIBED:
log_debug("Sending presence subscribed: %s", jid);
type = STANZA_TYPE_SUBSCRIBED;
break;
case PRESENCE_UNSUBSCRIBED:
log_debug("Sending presence usubscribed: %s", jid);
type = STANZA_TYPE_UNSUBSCRIBED;
break;
default:
log_warning("Attempt to send unknown subscription action: %s", jid);
break;
}
xmpp_stanza_t *presence = xmpp_stanza_new(ctx);
char *id = create_unique_id("sub");
xmpp_stanza_set_id(presence, id);
xmpp_stanza_set_name(presence, STANZA_NAME_PRESENCE);
xmpp_stanza_set_type(presence, type);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, jidp->barejid);
_send_presence_stanza(presence);
xmpp_stanza_release(presence);
jid_destroy(jidp);
free(id);
}
GSList*
presence_get_subscription_requests(void)
{
return autocomplete_create_list(sub_requests_ac);
}
gint
presence_sub_request_count(void)
{
return autocomplete_length(sub_requests_ac);
}
void
presence_clear_sub_requests(void)
{
autocomplete_clear(sub_requests_ac);
}
char*
presence_sub_request_find(const char *const search_str)
{
return autocomplete_complete(sub_requests_ac, search_str, TRUE);
}
gboolean
presence_sub_request_exists(const char *const bare_jid)
{
gboolean result = FALSE;
GSList *requests_p = autocomplete_create_list(sub_requests_ac);
GSList *requests = requests_p;
while (requests) {
if (strcmp(requests->data, bare_jid) == 0) {
result = TRUE;
break;
}
requests = g_slist_next(requests);
}
if (requests_p) {
g_slist_free_full(requests_p, free);
}
return result;
}
void
presence_reset_sub_request_search(void)
{
autocomplete_reset(sub_requests_ac);
}
void
presence_send(const resource_presence_t presence_type, const char *const msg, const int idle, char *signed_status)
{
if (jabber_get_connection_status() != JABBER_CONNECTED) {
log_warning("Error setting presence, not connected.");
return;
}
if (msg) {
log_debug("Updating presence: %s, \"%s\"", string_from_resource_presence(presence_type), msg);
} else {
log_debug("Updating presence: %s", string_from_resource_presence(presence_type));
}
xmpp_ctx_t * const ctx = connection_get_ctx();
const int pri = accounts_get_priority_for_presence_type(jabber_get_account_name(), presence_type);
const char *show = stanza_get_presence_string_from_type(presence_type);
connection_set_presence_message(msg);
connection_set_priority(pri);
xmpp_stanza_t *presence = stanza_create_presence(ctx);
char *id = create_unique_id("presence");
xmpp_stanza_set_id(presence, id);
stanza_attach_show(ctx, presence, show);
stanza_attach_status(ctx, presence, msg);
if (signed_status) {
xmpp_stanza_t *x = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(x, STANZA_NAME_X);
xmpp_stanza_set_ns(x, STANZA_NS_SIGNED);
xmpp_stanza_t *signed_text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(signed_text, signed_status);
xmpp_stanza_add_child(x, signed_text);
xmpp_stanza_release(signed_text);
xmpp_stanza_add_child(presence, x);
xmpp_stanza_release(x);
}
stanza_attach_priority(ctx, presence, pri);
if (idle > 0) {
stanza_attach_last_activity(ctx, presence, idle);
}
stanza_attach_caps(ctx, presence);
_send_presence_stanza(presence);
_send_room_presence(presence);
xmpp_stanza_release(presence);
// set last presence for account
const char *last = show;
if (last == NULL) {
last = STANZA_TEXT_ONLINE;
}
char *account = jabber_get_account_name();
accounts_set_last_presence(account, last);
accounts_set_last_status(account, msg);
free(id);
}
static void
_send_room_presence(xmpp_stanza_t *presence)
{
GList *rooms_p = muc_rooms();
GList *rooms = rooms_p;
while (rooms) {
const char *room = rooms->data;
const char *nick = muc_nick(room);
if (nick) {
char *full_room_jid = create_fulljid(room, nick);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, full_room_jid);
log_debug("Sending presence to room: %s", full_room_jid);
_send_presence_stanza(presence);
free(full_room_jid);
}
rooms = g_list_next(rooms);
}
if (rooms_p) {
g_list_free(rooms_p);
}
}
void
presence_join_room(char *room, char *nick, char * passwd)
{
Jid *jid = jid_create_from_bare_and_resource(room, nick);
log_debug("Sending room join presence to: %s", jid->fulljid);
xmpp_ctx_t *ctx = connection_get_ctx();
resource_presence_t presence_type =
accounts_get_last_presence(jabber_get_account_name());
const char *show = stanza_get_presence_string_from_type(presence_type);
char *status = jabber_get_presence_message();
int pri = accounts_get_priority_for_presence_type(jabber_get_account_name(),
presence_type);
xmpp_stanza_t *presence = stanza_create_room_join_presence(ctx, jid->fulljid, passwd);
stanza_attach_show(ctx, presence, show);
stanza_attach_status(ctx, presence, status);
stanza_attach_priority(ctx, presence, pri);
stanza_attach_caps(ctx, presence);
_send_presence_stanza(presence);
xmpp_stanza_release(presence);
jid_destroy(jid);
}
void
presence_change_room_nick(const char *const room, const char *const nick)
{
assert(room != NULL);
assert(nick != NULL);
log_debug("Sending room nickname change to: %s, nick: %s", room, nick);
xmpp_ctx_t *ctx = connection_get_ctx();
resource_presence_t presence_type =
accounts_get_last_presence(jabber_get_account_name());
const char *show = stanza_get_presence_string_from_type(presence_type);
char *status = jabber_get_presence_message();
int pri = accounts_get_priority_for_presence_type(jabber_get_account_name(),
presence_type);
char *full_room_jid = create_fulljid(room, nick);
xmpp_stanza_t *presence =
stanza_create_room_newnick_presence(ctx, full_room_jid);
stanza_attach_show(ctx, presence, show);
stanza_attach_status(ctx, presence, status);
stanza_attach_priority(ctx, presence, pri);
stanza_attach_caps(ctx, presence);
_send_presence_stanza(presence);
xmpp_stanza_release(presence);
free(full_room_jid);
}
void
presence_leave_chat_room(const char *const room_jid)
{
assert(room_jid != NULL);
log_debug("Sending room leave presence to: %s", room_jid);
xmpp_ctx_t *ctx = connection_get_ctx();
char *nick = muc_nick(room_jid);
if (nick) {
xmpp_stanza_t *presence = stanza_create_room_leave_presence(ctx, room_jid, nick);
_send_presence_stanza(presence);
xmpp_stanza_release(presence);
}
}
static void
_presence_error_handler(xmpp_stanza_t *const stanza)
{
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);
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
char *xmlns = NULL;
if (x) {
xmlns = xmpp_stanza_get_ns(x);
}
char *type = NULL;
if (error_stanza) {
type = xmpp_stanza_get_attribute(error_stanza, STANZA_ATTR_TYPE);
}
// handle MUC join errors
if (g_strcmp0(xmlns, STANZA_NS_MUC) == 0) {
Jid *fulljid = jid_create(from);
char *error_cond = NULL;
xmpp_stanza_t *reason_st = xmpp_stanza_get_child_by_ns(error_stanza, STANZA_NS_STANZAS);
if (reason_st) {
error_cond = xmpp_stanza_get_name(reason_st);
}
if (error_cond == NULL) {
error_cond = "unknown";
}
log_info("Error joining room: %s, reason: %s", fulljid->barejid, error_cond);
if (muc_active(fulljid->barejid)) {
muc_leave(fulljid->barejid);
}
cons_show_error("Error joining room %s, reason: %s", fulljid->barejid, error_cond);
jid_destroy(fulljid);
return;
}
// stanza_get_error never returns NULL
char *err_msg = stanza_get_error_message(stanza);
GString *log_msg = g_string_new("presence stanza error received");
if (id) {
g_string_append(log_msg, " id=");
g_string_append(log_msg, id);
}
if (from) {
g_string_append(log_msg, " from=");
g_string_append(log_msg, from);
}
if (type) {
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);
if (from) {
ui_handle_recipient_error(from, err_msg);
} else {
ui_handle_error(err_msg);
}
free(err_msg);
}
static void
_unsubscribed_handler(xmpp_stanza_t *const stanza)
{
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
Jid *from_jid = jid_create(from);
log_debug("Unsubscribed presence handler fired for %s", from);
sv_ev_subscription(from_jid->barejid, PRESENCE_UNSUBSCRIBED);
autocomplete_remove(sub_requests_ac, from_jid->barejid);
jid_destroy(from_jid);
}
static void
_subscribed_handler(xmpp_stanza_t *const stanza)
{
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
Jid *from_jid = jid_create(from);
log_debug("Subscribed presence handler fired for %s", from);
sv_ev_subscription(from_jid->barejid, PRESENCE_SUBSCRIBED);
autocomplete_remove(sub_requests_ac, from_jid->barejid);
jid_destroy(from_jid);
}
static void
_subscribe_handler(xmpp_stanza_t *const stanza)
{
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
log_debug("Subscribe presence handler fired for %s", from);
Jid *from_jid = jid_create(from);
if (from_jid == NULL) {
return;
}
sv_ev_subscription(from_jid->barejid, PRESENCE_SUBSCRIBE);
autocomplete_add(sub_requests_ac, from_jid->barejid);
jid_destroy(from_jid);
}
static void
_unavailable_handler(xmpp_stanza_t *const stanza)
{
inp_nonblocking(TRUE);
xmpp_conn_t *conn = connection_get_conn();
const char *jid = xmpp_conn_get_jid(conn);
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
log_debug("Unavailable presence handler fired for %s", from);
Jid *my_jid = jid_create(jid);
Jid *from_jid = jid_create(from);
if (my_jid == NULL || from_jid == NULL) {
jid_destroy(my_jid);
jid_destroy(from_jid);
return;
}
char *status_str = stanza_get_status(stanza, NULL);
if (strcmp(my_jid->barejid, from_jid->barejid) !=0) {
if (from_jid->resourcepart) {
sv_ev_contact_offline(from_jid->barejid, from_jid->resourcepart, status_str);
// hack for servers that do not send full jid with unavailable presence
} else {
sv_ev_contact_offline(from_jid->barejid, "__prof_default", status_str);
}
} else {
if (from_jid->resourcepart) {
connection_remove_available_resource(from_jid->resourcepart);
}
}
free(status_str);
jid_destroy(my_jid);
jid_destroy(from_jid);
}
static void
_handle_caps(char *jid, XMPPCaps *caps)
{
// hash supported, xep-0115, cache against ver
if (g_strcmp0(caps->hash, "sha-1") == 0) {
log_info("Hash %s supported", caps->hash);
if (caps->ver) {
if (caps_contains(caps->ver)) {
log_info("Capabilities cache hit: %s, for %s.", caps->ver, jid);
caps_map_jid_to_ver(jid, caps->ver);
} else {
log_info("Capabilities cache miss: %s, for %s, sending service discovery request", caps->ver, jid);
char *id = create_unique_id("caps");
iq_send_caps_request(jid, id, caps->node, caps->ver);
free(id);
}
}
// unsupported hash, xep-0115, associate with JID, no cache
} else if (caps->hash) {
log_info("Hash %s not supported: %s, sending service discovery request", caps->hash, jid);
char *id = create_unique_id("caps");
iq_send_caps_request_for_jid(jid, id, caps->node, caps->ver);
free(id);
// no hash, legacy caps, cache against node#ver
} else if (caps->node && caps->ver) {
log_info("No hash specified: %s, legacy request made for %s#%s", jid, caps->node, caps->ver);
char *id = create_unique_id("caps");
iq_send_caps_request_legacy(jid, id, caps->node, caps->ver);
free(id);
} else {
log_info("No hash specified: %s, could not create ver string, not sending service discovery request.", jid);
}
}
static void
_available_handler(xmpp_stanza_t *const stanza)
{
inp_nonblocking(TRUE);
// handler still fires if error
if (g_strcmp0(xmpp_stanza_get_type(stanza), STANZA_TYPE_ERROR) == 0) {
return;
}
// handler still fires if other types
if ((g_strcmp0(xmpp_stanza_get_type(stanza), STANZA_TYPE_UNAVAILABLE) == 0) ||
(g_strcmp0(xmpp_stanza_get_type(stanza), STANZA_TYPE_SUBSCRIBE) == 0) ||
(g_strcmp0(xmpp_stanza_get_type(stanza), STANZA_TYPE_SUBSCRIBED) == 0) ||
(g_strcmp0(xmpp_stanza_get_type(stanza), STANZA_TYPE_UNSUBSCRIBED) == 0)) {
return;
}
// handler still fires for muc presence
if (stanza_is_muc_presence(stanza)) {
return;
}
int err = 0;
XMPPPresence *xmpp_presence = stanza_parse_presence(stanza, &err);
if (!xmpp_presence) {
char *from = NULL;
switch(err) {
case STANZA_PARSE_ERROR_NO_FROM:
log_warning("Available presence handler fired with no from attribute.");
break;
case STANZA_PARSE_ERROR_INVALID_FROM:
from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
log_warning("Available presence handler fired with invalid from attribute: %s", from);
break;
default:
log_warning("Available presence handler fired, could not parse stanza.");
break;
}
return;
} else {
char *jid = jid_fulljid_or_barejid(xmpp_presence->jid);
log_debug("Presence available handler fired for: %s", jid);
}
xmpp_conn_t *conn = connection_get_conn();
const char *my_jid_str = xmpp_conn_get_jid(conn);
Jid *my_jid = jid_create(my_jid_str);
XMPPCaps *caps = stanza_parse_caps(stanza);
if ((g_strcmp0(my_jid->fulljid, xmpp_presence->jid->fulljid) != 0) && caps) {
log_info("Presence contains capabilities.");
char *jid = jid_fulljid_or_barejid(xmpp_presence->jid);
_handle_caps(jid, caps);
}
stanza_free_caps(caps);
Resource *resource = stanza_resource_from_presence(xmpp_presence);
if (g_strcmp0(xmpp_presence->jid->barejid, my_jid->barejid) == 0) {
connection_add_available_resource(resource);
} else {
char *pgpsig = NULL;
xmpp_stanza_t *x = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_SIGNED);
if (x) {
pgpsig = xmpp_stanza_get_text(x);
}
sv_ev_contact_online(xmpp_presence->jid->barejid, resource, xmpp_presence->last_activity, pgpsig);
xmpp_ctx_t *ctx = connection_get_ctx();
xmpp_free(ctx, pgpsig);
}
jid_destroy(my_jid);
stanza_free_presence(xmpp_presence);
}
void
_send_caps_request(char *node, char *caps_key, char *id, char *from)
{
xmpp_ctx_t *ctx = connection_get_ctx();
if (node) {
log_debug("Node string: %s.", node);
if (!caps_contains(caps_key)) {
log_debug("Capabilities not cached for '%s', sending discovery IQ.", from);
xmpp_stanza_t *iq = stanza_create_disco_info_iq(ctx, id, from, node);
send_iq_stanza(iq);
xmpp_stanza_release(iq);
} else {
log_debug("Capabilities already cached, for %s", caps_key);
}
} else {
log_debug("No node string, not sending discovery IQ.");
}
}
static void
_muc_user_handler(xmpp_stanza_t *const stanza)
{
inp_nonblocking(TRUE);
char *type = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_TYPE);
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
// handler still fires if error
if (g_strcmp0(type, STANZA_TYPE_ERROR) == 0) {
return;
}
// invalid from attribute
Jid *from_jid = jid_create(from);
if (from_jid == NULL || from_jid->resourcepart == NULL) {
jid_destroy(from_jid);
return;
}
char *room = from_jid->barejid;
char *nick = from_jid->resourcepart;
char *show_str = stanza_get_show(stanza, "online");
char *status_str = stanza_get_status(stanza, NULL);
char *jid = NULL;
char *role = NULL;
char *affiliation = NULL;
xmpp_stanza_t *x = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_MUC_USER);
if (x) {
xmpp_stanza_t *item = xmpp_stanza_get_child_by_name(x, STANZA_NAME_ITEM);
if (item) {
jid = xmpp_stanza_get_attribute(item, "jid");
role = xmpp_stanza_get_attribute(item, "role");
affiliation = xmpp_stanza_get_attribute(item, "affiliation");
}
}
// handle self presence
if (stanza_is_muc_self_presence(stanza, jabber_get_fulljid())) {
log_debug("Room self presence received from %s", from_jid->fulljid);
// self unavailable
if (g_strcmp0(type, STANZA_TYPE_UNAVAILABLE) == 0) {
// handle nickname change
char *new_nick = stanza_get_new_nick(stanza);
if (new_nick) {
muc_nick_change_start(room, new_nick);
} else {
GSList *status_codes = stanza_get_status_codes_by_ns(stanza, STANZA_NS_MUC_USER);
// room destroyed
if (stanza_room_destroyed(stanza)) {
char *new_jid = stanza_get_muc_destroy_alternative_room(stanza);
char *password = stanza_get_muc_destroy_alternative_password(stanza);
char *reason = stanza_get_muc_destroy_reason(stanza);
sv_ev_room_destroyed(room, new_jid, password, reason);
free(password);
free(reason);
// kicked from room
} else if (g_slist_find_custom(status_codes, "307", (GCompareFunc)g_strcmp0)) {
char *actor = stanza_get_actor(stanza);
char *reason = stanza_get_reason(stanza);
sv_ev_room_kicked(room, actor, reason);
free(reason);
// banned from room
} else if (g_slist_find_custom(status_codes, "301", (GCompareFunc)g_strcmp0)) {
char *actor = stanza_get_actor(stanza);
char *reason = stanza_get_reason(stanza);
sv_ev_room_banned(room, actor, reason);
free(reason);
// normal exit
} else {
sv_ev_leave_room(room);
}
g_slist_free_full(status_codes, free);
}
// self online
} else {
gboolean config_required = stanza_muc_requires_config(stanza);
char *actor = stanza_get_actor(stanza);
char *reason = stanza_get_reason(stanza);
sv_ev_muc_self_online(room, nick, config_required, role, affiliation, actor, reason, jid, show_str, status_str);
}
// handle presence from room members
} else {
log_debug("Room presence received from %s", from_jid->fulljid);
if (g_strcmp0(type, STANZA_TYPE_UNAVAILABLE) == 0) {
// handle nickname change
char *new_nick = stanza_get_new_nick(stanza);
if (new_nick) {
muc_occupant_nick_change_start(room, new_nick, nick);
// handle left room
} else {
GSList *status_codes = stanza_get_status_codes_by_ns(stanza, STANZA_NS_MUC_USER);
// kicked from room
if (g_slist_find_custom(status_codes, "307", (GCompareFunc)g_strcmp0)) {
char *actor = stanza_get_actor(stanza);
char *reason = stanza_get_reason(stanza);
sv_ev_room_occupent_kicked(room, nick, actor, reason);
free(reason);
// banned from room
} else if (g_slist_find_custom(status_codes, "301", (GCompareFunc)g_strcmp0)) {
char *actor = stanza_get_actor(stanza);
char *reason = stanza_get_reason(stanza);
sv_ev_room_occupent_banned(room, nick, actor, reason);
free(reason);
// normal exit
} else {
sv_ev_room_occupant_offline(room, nick, "offline", status_str);
}
g_slist_free_full(status_codes, free);
}
// room occupant online
} else {
// send disco info for capabilities, if not cached
XMPPCaps *caps = stanza_parse_caps(stanza);
if (caps) {
log_info("Presence contains capabilities.");
_handle_caps(from, caps);
}
stanza_free_caps(caps);
char *actor = stanza_get_actor(stanza);
char *reason = stanza_get_reason(stanza);
sv_ev_muc_occupant_online(room, nick, jid, role, affiliation, actor, reason, show_str, status_str);
}
}
free(show_str);
free(status_str);
jid_destroy(from_jid);
}
static void
_send_presence_stanza(xmpp_stanza_t *const stanza)
{
char *text;
size_t text_size;
xmpp_stanza_to_text(stanza, &text, &text_size);
xmpp_conn_t *conn = connection_get_conn();
char *plugin_text = plugins_on_presence_stanza_send(text);
if (plugin_text) {
xmpp_send_raw_string(conn, "%s", plugin_text);
} else {
xmpp_send_raw_string(conn, "%s", text);
}
}
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