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profanity/src/xmpp_presence.c
James Booth bfe1d76e5f Moved functions to xmpp_presence
2013-01-28 22:55:26 +00:00

472 lines
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C
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/*
* xmpp_presence.c
*
* Copyright (C) 2012, 2013 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/>.
*
*/
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "common.h"
#include "log.h"
#include "muc.h"
#include "preferences.h"
#include "profanity.h"
#include "xmpp.h"
static GHashTable *sub_requests;
static char* _handle_presence_caps(xmpp_stanza_t * const stanza);
static int _room_presence_handler(const char * const jid,
xmpp_stanza_t * const stanza);
void
presence_init(void)
{
sub_requests = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
}
void
presence_subscription(const char * const jid, const jabber_subscr_t action)
{
xmpp_ctx_t *ctx = jabber_get_ctx();
xmpp_conn_t *conn = jabber_get_conn();
xmpp_stanza_t *presence;
char *type, *jid_cpy, *bare_jid;
// jid must be a bare JID
jid_cpy = strdup(jid);
bare_jid = strtok(jid_cpy, "/");
g_hash_table_remove(sub_requests, bare_jid);
if (action == PRESENCE_SUBSCRIBE)
type = STANZA_TYPE_SUBSCRIBE;
else if (action == PRESENCE_SUBSCRIBED)
type = STANZA_TYPE_SUBSCRIBED;
else if (action == PRESENCE_UNSUBSCRIBED)
type = STANZA_TYPE_UNSUBSCRIBED;
else { // unknown action
free(jid_cpy);
return;
}
presence = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(presence, STANZA_NAME_PRESENCE);
xmpp_stanza_set_type(presence, type);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, bare_jid);
xmpp_send(conn, presence);
xmpp_stanza_release(presence);
free(jid_cpy);
}
GList *
presence_get_subscription_requests(void)
{
return g_hash_table_get_keys(sub_requests);
}
void
presence_free_sub_requests(void)
{
if (sub_requests != NULL)
g_hash_table_remove_all(sub_requests);
}
void
presence_join_room(Jid *jid)
{
xmpp_ctx_t *ctx = jabber_get_ctx();
xmpp_conn_t *conn = jabber_get_conn();
xmpp_stanza_t *presence = stanza_create_room_join_presence(ctx, jid->fulljid);
xmpp_send(conn, presence);
xmpp_stanza_release(presence);
muc_join_room(jid->barejid, jid->resourcepart);
}
void
presence_change_room_nick(const char * const room, const char * const nick)
{
xmpp_ctx_t *ctx = jabber_get_ctx();
xmpp_conn_t *conn = jabber_get_conn();
char *full_room_jid = create_fulljid(room, nick);
xmpp_stanza_t *presence = stanza_create_room_newnick_presence(ctx, full_room_jid);
xmpp_send(conn, presence);
xmpp_stanza_release(presence);
free(full_room_jid);
}
void
presence_leave_chat_room(const char * const room_jid)
{
xmpp_ctx_t *ctx = jabber_get_ctx();
xmpp_conn_t *conn = jabber_get_conn();
char *nick = muc_get_room_nick(room_jid);
xmpp_stanza_t *presence = stanza_create_room_leave_presence(ctx, room_jid,
nick);
xmpp_send(conn, presence);
xmpp_stanza_release(presence);
}
void
presence_update(jabber_presence_t status, const char * const msg,
int idle)
{
xmpp_ctx_t *ctx = jabber_get_ctx();
xmpp_conn_t *conn = jabber_get_conn();
int pri;
char *show, *last;
// don't send presence when disconnected
if (jabber_get_connection_status() != JABBER_CONNECTED)
return;
pri = prefs_get_priority();
if (pri < JABBER_PRIORITY_MIN || pri > JABBER_PRIORITY_MAX)
pri = 0;
jabber_conn_set_presence(status);
jabber_conn_set_priority(pri);
switch(status)
{
case PRESENCE_AWAY:
show = STANZA_TEXT_AWAY;
last = STANZA_TEXT_AWAY;
break;
case PRESENCE_DND:
show = STANZA_TEXT_DND;
last = STANZA_TEXT_DND;
break;
case PRESENCE_CHAT:
show = STANZA_TEXT_CHAT;
last = STANZA_TEXT_CHAT;
break;
case PRESENCE_XA:
show = STANZA_TEXT_XA;
last = STANZA_TEXT_XA;
break;
default: // PRESENCE_ONLINE
show = NULL;
last = STANZA_TEXT_ONLINE;
break;
}
jabber_conn_set_status(msg);
xmpp_stanza_t *presence = stanza_create_presence(ctx, show, msg);
if (pri != 0) {
xmpp_stanza_t *priority, *value;
char pri_str[10];
snprintf(pri_str, sizeof(pri_str), "%d", pri);
priority = xmpp_stanza_new(ctx);
value = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(priority, STANZA_NAME_PRIORITY);
xmpp_stanza_set_text(value, pri_str);
xmpp_stanza_add_child(priority, value);
xmpp_stanza_add_child(presence, priority);
}
if (idle > 0) {
xmpp_stanza_t *query = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(query, STANZA_NAME_QUERY);
xmpp_stanza_set_ns(query, STANZA_NS_LASTACTIVITY);
char idle_str[10];
snprintf(idle_str, sizeof(idle_str), "%d", idle);
xmpp_stanza_set_attribute(query, STANZA_ATTR_SECONDS, idle_str);
xmpp_stanza_add_child(presence, query);
}
// add caps
xmpp_stanza_t *caps = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(caps, STANZA_NAME_C);
xmpp_stanza_set_ns(caps, STANZA_NS_CAPS);
xmpp_stanza_t *query = caps_create_query_response_stanza(ctx);
char *sha1 = caps_create_sha1_str(query);
xmpp_stanza_set_attribute(caps, STANZA_ATTR_HASH, "sha-1");
xmpp_stanza_set_attribute(caps, STANZA_ATTR_NODE, "http://www.profanity.im");
xmpp_stanza_set_attribute(caps, STANZA_ATTR_VER, sha1);
xmpp_stanza_add_child(presence, caps);
xmpp_send(conn, presence);
// send presence for each room
GList *rooms = muc_get_active_room_list();
while (rooms != NULL) {
char *room = rooms->data;
char *nick = muc_get_room_nick(room);
char *full_room_jid = create_fulljid(room, nick);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, full_room_jid);
xmpp_send(conn, presence);
rooms = g_list_next(rooms);
}
g_list_free(rooms);
xmpp_stanza_release(presence);
FREE_SET_NULL(sha1);
// set last presence for account
accounts_set_last_presence(jabber_get_account_name(), last);
}
int
presence_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata)
{
const char *jid = xmpp_conn_get_jid(conn);
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
char *type = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_TYPE);
Jid *my_jid = jid_create(jid);
Jid *from_jid = jid_create(from);
if ((type != NULL) && (strcmp(type, STANZA_TYPE_ERROR) == 0)) {
return error_handler(stanza);
}
// handle chat room presence
if (muc_room_is_active(from_jid)) {
return _room_presence_handler(from_jid->str, stanza);
// handle regular presence
} else {
char *type = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_TYPE);
char *show_str, *status_str;
int idle_seconds = stanza_get_idle_time(stanza);
GDateTime *last_activity = NULL;
if (idle_seconds > 0) {
GDateTime *now = g_date_time_new_now_local();
last_activity = g_date_time_add_seconds(now, 0 - idle_seconds);
g_date_time_unref(now);
}
char *caps_key = _handle_presence_caps(stanza);
xmpp_stanza_t *status = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_STATUS);
if (status != NULL)
status_str = xmpp_stanza_get_text(status);
else
status_str = NULL;
if (type == NULL) { // available
xmpp_stanza_t *show = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_SHOW);
if (show != NULL)
show_str = xmpp_stanza_get_text(show);
else
show_str = "online";
if (strcmp(my_jid->barejid, from_jid->barejid) !=0) {
prof_handle_contact_online(from_jid->barejid, show_str, status_str, last_activity, caps_key);
}
} else if (strcmp(type, STANZA_TYPE_UNAVAILABLE) == 0) {
if (strcmp(my_jid->barejid, from_jid->barejid) !=0) {
prof_handle_contact_offline(from_jid->barejid, "offline", status_str);
}
if (last_activity != NULL) {
g_date_time_unref(last_activity);
}
// subscriptions
} else if (strcmp(type, STANZA_TYPE_SUBSCRIBE) == 0) {
prof_handle_subscription(from_jid->barejid, PRESENCE_SUBSCRIBE);
g_hash_table_insert(sub_requests, strdup(from_jid->barejid), strdup(from_jid->barejid));
} else if (strcmp(type, STANZA_TYPE_SUBSCRIBED) == 0) {
prof_handle_subscription(from_jid->barejid, PRESENCE_SUBSCRIBED);
g_hash_table_remove(sub_requests, from_jid->barejid);
} else if (strcmp(type, STANZA_TYPE_UNSUBSCRIBED) == 0) {
prof_handle_subscription(from_jid->barejid, PRESENCE_UNSUBSCRIBED);
g_hash_table_remove(sub_requests, from_jid->barejid);
} else { /* unknown type */
log_debug("Received presence with unknown type '%s'", type);
}
}
return 1;
}
static char *
_handle_presence_caps(xmpp_stanza_t * const stanza)
{
xmpp_ctx_t *ctx = jabber_get_ctx();
xmpp_conn_t *conn = jabber_get_conn();
char *caps_key = NULL;
char *node = NULL;
char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
if (stanza_contains_caps(stanza)) {
char *hash_type = stanza_caps_get_hash(stanza);
// xep-0115
if (hash_type != NULL) {
// supported hash
if (strcmp(hash_type, "sha-1") == 0) {
node = stanza_get_caps_str(stanza);
caps_key = node;
if (node != NULL) {
if (!caps_contains(caps_key)) {
xmpp_stanza_t *iq = stanza_create_disco_iq(ctx, "disco", from, node);
xmpp_send(conn, iq);
xmpp_stanza_release(iq);
}
}
// unsupported hash
} else {
node = stanza_get_caps_str(stanza);
caps_key = from;
if (node != NULL) {
if (!caps_contains(caps_key)) {
GString *id = g_string_new("disco_");
g_string_append(id, from);
xmpp_stanza_t *iq = stanza_create_disco_iq(ctx, id->str, from, node);
xmpp_send(conn, iq);
xmpp_stanza_release(iq);
g_string_free(id, TRUE);
}
}
}
return strdup(caps_key);
//ignore or handle legacy caps
} else {
node = stanza_get_caps_str(stanza);
caps_key = from;
if (node != NULL) {
if (!caps_contains(caps_key)) {
GString *id = g_string_new("disco_");
g_string_append(id, from);
xmpp_stanza_t *iq = stanza_create_disco_iq(ctx, id->str, from, node);
xmpp_send(conn, iq);
xmpp_stanza_release(iq);
g_string_free(id, TRUE);
}
}
return caps_key;
}
}
return NULL;
}
static int
_room_presence_handler(const char * const jid, xmpp_stanza_t * const stanza)
{
char *room = NULL;
char *nick = NULL;
if (!parse_room_jid(jid, &room, &nick)) {
log_error("Could not parse room jid: %s", room);
return 1;
}
// handle self presence
if (stanza_is_muc_self_presence(stanza, jabber_get_jid())) {
char *type = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_TYPE);
gboolean nick_change = stanza_is_room_nick_change(stanza);
if ((type != NULL) && (strcmp(type, STANZA_TYPE_UNAVAILABLE) == 0)) {
// leave room if not self nick change
if (nick_change) {
muc_set_room_pending_nick_change(room);
} else {
prof_handle_leave_room(room);
}
// handle self nick change
} else if (muc_is_room_pending_nick_change(room)) {
muc_complete_room_nick_change(room, nick);
prof_handle_room_nick_change(room, nick);
// handle roster complete
} else if (!muc_get_roster_received(room)) {
prof_handle_room_roster_complete(room);
}
// handle presence from room members
} else {
char *type = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_TYPE);
char *show_str, *status_str;
char *caps_key = _handle_presence_caps(stanza);
xmpp_stanza_t *status = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_STATUS);
if (status != NULL) {
status_str = xmpp_stanza_get_text(status);
} else {
status_str = NULL;
}
if ((type != NULL) && (strcmp(type, STANZA_TYPE_UNAVAILABLE) == 0)) {
// handle nickname change
if (stanza_is_room_nick_change(stanza)) {
char *new_nick = stanza_get_new_nick(stanza);
muc_set_roster_pending_nick_change(room, new_nick, nick);
} else {
prof_handle_room_member_offline(room, nick, "offline", status_str);
}
} else {
xmpp_stanza_t *show = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_SHOW);
if (show != NULL) {
show_str = xmpp_stanza_get_text(show);
} else {
show_str = "online";
}
if (!muc_get_roster_received(room)) {
muc_add_to_roster(room, nick, show_str, status_str, caps_key);
} else {
char *old_nick = muc_complete_roster_nick_change(room, nick);
if (old_nick != NULL) {
muc_add_to_roster(room, nick, show_str, status_str, caps_key);
prof_handle_room_member_nick_change(room, old_nick, nick);
} else {
if (!muc_nick_in_roster(room, nick)) {
prof_handle_room_member_online(room, nick, show_str, status_str, caps_key);
} else {
prof_handle_room_member_presence(room, nick, show_str, status_str, caps_key);
}
}
}
}
}
free(room);
free(nick);
return 1;
}
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