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profanity/src/stanza.c
2013-01-11 02:05:29 +00:00

394 lines
11 KiB
C

/*
* stanza.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 <strophe.h>
#include "common.h"
#include "stanza.h"
xmpp_stanza_t *
stanza_create_chat_state(xmpp_ctx_t *ctx, const char * const recipient,
const char * const state)
{
xmpp_stanza_t *msg, *chat_state;
msg = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(msg, STANZA_NAME_MESSAGE);
xmpp_stanza_set_type(msg, STANZA_TYPE_CHAT);
xmpp_stanza_set_attribute(msg, STANZA_ATTR_TO, recipient);
chat_state = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(chat_state, state);
xmpp_stanza_set_ns(chat_state, STANZA_NS_CHATSTATES);
xmpp_stanza_add_child(msg, chat_state);
return msg;
}
xmpp_stanza_t *
stanza_create_message(xmpp_ctx_t *ctx, const char * const recipient,
const char * const type, const char * const message,
const char * const state)
{
char *encoded_xml = encode_xml(message);
xmpp_stanza_t *msg, *body, *text;
msg = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(msg, STANZA_NAME_MESSAGE);
xmpp_stanza_set_type(msg, type);
xmpp_stanza_set_attribute(msg, STANZA_ATTR_TO, recipient);
body = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(body, STANZA_NAME_BODY);
text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text, encoded_xml);
xmpp_stanza_add_child(body, text);
xmpp_stanza_add_child(msg, body);
if (state != NULL) {
xmpp_stanza_t *chat_state = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(chat_state, state);
xmpp_stanza_set_ns(chat_state, STANZA_NS_CHATSTATES);
xmpp_stanza_add_child(msg, chat_state);
}
g_free(encoded_xml);
return msg;
}
xmpp_stanza_t *
stanza_create_room_join_presence(xmpp_ctx_t *ctx,
const char * const full_room_jid)
{
xmpp_stanza_t *presence = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(presence, STANZA_NAME_PRESENCE);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, full_room_jid);
xmpp_stanza_t *x = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(x, STANZA_NAME_X);
xmpp_stanza_set_ns(x, STANZA_NS_MUC);
xmpp_stanza_add_child(presence, x);
return presence;
}
xmpp_stanza_t *
stanza_create_room_newnick_presence(xmpp_ctx_t *ctx,
const char * const full_room_jid)
{
xmpp_stanza_t *presence = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(presence, STANZA_NAME_PRESENCE);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, full_room_jid);
return presence;
}
xmpp_stanza_t *
stanza_create_room_leave_presence(xmpp_ctx_t *ctx, const char * const room,
const char * const nick)
{
GString *full_jid = g_string_new(room);
g_string_append(full_jid, "/");
g_string_append(full_jid, nick);
xmpp_stanza_t *presence = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(presence, STANZA_NAME_PRESENCE);
xmpp_stanza_set_type(presence, STANZA_TYPE_UNAVAILABLE);
xmpp_stanza_set_attribute(presence, STANZA_ATTR_TO, full_jid->str);
g_string_free(full_jid, TRUE);
return presence;
}
xmpp_stanza_t *
stanza_create_presence(xmpp_ctx_t *ctx, const char * const show,
const char * const status)
{
xmpp_stanza_t *presence = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(presence, STANZA_NAME_PRESENCE);
if (show != NULL) {
xmpp_stanza_t *show_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(show_stanza, STANZA_NAME_SHOW);
xmpp_stanza_t *text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text, show);
xmpp_stanza_add_child(show_stanza, text);
xmpp_stanza_add_child(presence, show_stanza);
xmpp_stanza_release(text);
xmpp_stanza_release(show_stanza);
}
if (status != NULL) {
xmpp_stanza_t *status_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(status_stanza, STANZA_NAME_STATUS);
xmpp_stanza_t *text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text, status);
xmpp_stanza_add_child(status_stanza, text);
xmpp_stanza_add_child(presence, status_stanza);
xmpp_stanza_release(text);
xmpp_stanza_release(status_stanza);
}
return presence;
}
xmpp_stanza_t *
stanza_create_roster_iq(xmpp_ctx_t *ctx)
{
xmpp_stanza_t *iq = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(iq, STANZA_NAME_IQ);
xmpp_stanza_set_type(iq, STANZA_TYPE_GET);
xmpp_stanza_set_id(iq, "roster");
xmpp_stanza_t *query = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(query, STANZA_NAME_QUERY);
xmpp_stanza_set_ns(query, XMPP_NS_ROSTER);
xmpp_stanza_add_child(iq, query);
xmpp_stanza_release(query);
return iq;
}
gboolean
stanza_contains_chat_state(xmpp_stanza_t *stanza)
{
return ((xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_ACTIVE) != NULL) ||
(xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_COMPOSING) != NULL) ||
(xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_PAUSED) != NULL) ||
(xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_GONE) != NULL) ||
(xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_INACTIVE) != NULL));
}
xmpp_stanza_t *
stanza_create_ping_iq(xmpp_ctx_t *ctx)
{
xmpp_stanza_t *iq = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(iq, STANZA_NAME_IQ);
xmpp_stanza_set_type(iq, STANZA_TYPE_GET);
xmpp_stanza_set_id(iq, "c2s1");
xmpp_stanza_t *ping = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(ping, STANZA_NAME_PING);
xmpp_stanza_set_ns(ping, STANZA_NS_PING);
xmpp_stanza_add_child(iq, ping);
xmpp_stanza_release(ping);
return iq;
}
gboolean
stanza_get_delay(xmpp_stanza_t * const stanza, GTimeVal *tv_stamp)
{
// first check for XEP-0203 delayed delivery
xmpp_stanza_t *delay = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_DELAY);
if (delay != NULL) {
char *xmlns = xmpp_stanza_get_attribute(delay, STANZA_ATTR_XMLNS);
if ((xmlns != NULL) && (strcmp(xmlns, "urn:xmpp:delay") == 0)) {
char *stamp = xmpp_stanza_get_attribute(delay, STANZA_ATTR_STAMP);
if ((stamp != NULL) && (g_time_val_from_iso8601(stamp, tv_stamp))) {
return TRUE;
}
}
}
// otherwise check for XEP-0091 legacy delayed delivery
// stanp format : CCYYMMDDThh:mm:ss
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
if (x != NULL) {
char *xmlns = xmpp_stanza_get_attribute(x, STANZA_ATTR_XMLNS);
if ((xmlns != NULL) && (strcmp(xmlns, "jabber:x:delay") == 0)) {
char *stamp = xmpp_stanza_get_attribute(x, STANZA_ATTR_STAMP);
if ((stamp != NULL) && (g_time_val_from_iso8601(stamp, tv_stamp))) {
return TRUE;
}
}
}
return FALSE;
}
gboolean
stanza_is_muc_self_presence(xmpp_stanza_t * const stanza,
const char * const self_jid)
{
if (stanza == NULL) {
return FALSE;
}
if (strcmp(xmpp_stanza_get_name(stanza), STANZA_NAME_PRESENCE) != 0) {
return FALSE;
}
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
if (x == NULL) {
return FALSE;
}
char *ns = xmpp_stanza_get_ns(x);
if (ns == NULL) {
return FALSE;
}
if (strcmp(ns, STANZA_NS_MUC_USER) != 0) {
return FALSE;
}
xmpp_stanza_t *x_children = xmpp_stanza_get_children(x);
if (x_children == NULL) {
return FALSE;
}
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_STATUS) == 0) {
char *code = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_CODE);
if (strcmp(code, "110") == 0) {
return TRUE;
}
}
x_children = xmpp_stanza_get_next(x_children);
}
// for older server that don't send status 110
x_children = xmpp_stanza_get_children(x);
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_ITEM) == 0) {
char *jid = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_JID);
if (jid != NULL) {
if (g_str_has_prefix(jid, self_jid)) {
return TRUE;
}
}
}
x_children = xmpp_stanza_get_next(x_children);
}
return FALSE;
}
gboolean
stanza_is_room_nick_change(xmpp_stanza_t * const stanza)
{
if (stanza == NULL) {
return FALSE;
}
if (strcmp(xmpp_stanza_get_name(stanza), STANZA_NAME_PRESENCE) != 0) {
return FALSE;
}
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
if (x == NULL) {
return FALSE;
}
char *ns = xmpp_stanza_get_ns(x);
if (ns == NULL) {
return FALSE;
}
if (strcmp(ns, STANZA_NS_MUC_USER) != 0) {
return FALSE;
}
xmpp_stanza_t *x_children = xmpp_stanza_get_children(x);
if (x_children == NULL) {
return FALSE;
}
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_STATUS) == 0) {
char *code = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_CODE);
if (strcmp(code, "303") == 0) {
return TRUE;
}
}
x_children = xmpp_stanza_get_next(x_children);
}
return FALSE;
}
char *
stanza_get_new_nick(xmpp_stanza_t * const stanza)
{
if (!stanza_is_room_nick_change(stanza)) {
return NULL;
} else {
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
xmpp_stanza_t *x_children = xmpp_stanza_get_children(x);
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_ITEM) == 0) {
char *nick = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_NICK);
if (nick != NULL) {
return strdup(nick);
}
}
x_children = xmpp_stanza_get_next(x_children);
}
return NULL;
}
}
int
stanza_get_idle_time(xmpp_stanza_t * const stanza)
{
xmpp_stanza_t *query = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_QUERY);
if (query == NULL) {
return 0;
}
char *ns = xmpp_stanza_get_ns(query);
if (ns == NULL) {
return 0;
}
if (strcmp(ns, STANZA_NS_LASTACTIVITY) != 0) {
return 0;
}
char *seconds_str = xmpp_stanza_get_attribute(query, STANZA_ATTR_SECONDS);
if (seconds_str == NULL) {
return 0;
}
int result = atoi(seconds_str);
if (result < 1) {
return 0;
} else {
return result;
}
}