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/*
* jid.c
*
* Copyright (C) 2012 - 2019 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 <https://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 <glib.h>
#include "common.h"
#include "xmpp/jid.h"
Jid*
jid_create(const gchar *const str)
{
Jid *result = NULL;
/* if str is NULL g_strdup returns NULL */
gchar *trimmed = g_strdup(str);
if (trimmed == NULL) {
return NULL;
}
if (strlen(trimmed) == 0) {
g_free(trimmed);
return NULL;
}
if (g_str_has_prefix(trimmed, "/") || g_str_has_prefix(trimmed, "@")) {
g_free(trimmed);
return NULL;
}
if (!g_utf8_validate(trimmed, -1, NULL)) {
g_free(trimmed);
return NULL;
}
result = malloc(sizeof(struct jid_t));
result->str = NULL;
result->localpart = NULL;
result->domainpart = NULL;
result->resourcepart = NULL;
result->barejid = NULL;
result->fulljid = NULL;
gchar *atp = g_utf8_strchr(trimmed, -1, '@');
gchar *slashp = g_utf8_strchr(trimmed, -1, '/');
gchar *domain_start = trimmed;
if (atp) {
result->localpart = g_utf8_substring(trimmed, 0, g_utf8_pointer_to_offset(trimmed, atp));
domain_start = atp + 1;
}
if (slashp) {
result->resourcepart = g_strdup(slashp + 1);
result->domainpart = g_utf8_substring(domain_start, 0, g_utf8_pointer_to_offset(domain_start, slashp));
char *barejidraw = g_utf8_substring(trimmed, 0, g_utf8_pointer_to_offset(trimmed, slashp));
result->barejid = g_utf8_strdown(barejidraw, -1);
result->fulljid = g_strdup(trimmed);
g_free(barejidraw);
} else {
result->domainpart = g_strdup(domain_start);
result->barejid = g_utf8_strdown(trimmed, -1);
}
if (result->domainpart == NULL) {
jid_destroy(result);
return NULL;
}
result->str = trimmed;
return result;
}
Jid*
jid_create_from_bare_and_resource(const char *const barejid, const char *const resource)
{
Jid *result;
char *jid = create_fulljid(barejid, resource);
result = jid_create(jid);
free(jid);
return result;
}
void
jid_destroy(Jid *jid)
{
if (jid == NULL) {
return;
}
g_free(jid->str);
g_free(jid->localpart);
g_free(jid->domainpart);
g_free(jid->resourcepart);
g_free(jid->barejid);
g_free(jid->fulljid);
free(jid);
}
gboolean
jid_is_valid_room_form(Jid *jid)
{
return (jid->fulljid != NULL);
}
/*
* Given a barejid, and resourcepart, create and return a full JID of the form
* barejid/resourcepart
* Will return a newly created string that must be freed by the caller
*/
char*
create_fulljid(const char *const barejid, const char *const resource)
{
gchar *barejidlower = g_utf8_strdown(barejid, -1);
GString *full_jid = g_string_new(barejidlower);
g_free(barejidlower);
g_string_append(full_jid, "/");
g_string_append(full_jid, resource);
char *result = strdup(full_jid->str);
g_string_free(full_jid, TRUE);
return result;
}
/*
* Get the nickname part of the full JID, e.g.
* Full JID = "test@conference.server/person"
* returns "person"
*/
char*
get_nick_from_full_jid(const char *const full_room_jid)
{
char **tokens = g_strsplit(full_room_jid, "/", 0);
char *nick_part = NULL;
if (tokens) {
if (tokens[0] && tokens[1]) {
nick_part = strdup(tokens[1]);
}
g_strfreev(tokens);
}
return nick_part;
}
/*
* get the fulljid, fall back to the barejid
*/
char*
jid_fulljid_or_barejid(Jid *jid)
{
if (jid->fulljid) {
return jid->fulljid;
} else {
return jid->barejid;
}
}
char*
jid_random_resource(void)
{
char *rand = get_random_string(4);
gchar *result = g_strdup_printf("profanity.%s", rand);
free(rand);
return result;
}
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