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profanity/src/jid.c
2014-03-09 01:18:19 +00:00

219 lines
5.0 KiB
C

/*
* jid.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/>.
*
*/
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "jid.h"
#include "common.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 != NULL) {
result->localpart = g_utf8_substring(trimmed, 0, g_utf8_pointer_to_offset(trimmed, atp));
domain_start = atp + 1;
}
if (slashp != NULL) {
result->resourcepart = g_strdup(slashp + 1);
result->domainpart = g_utf8_substring(domain_start, 0, g_utf8_pointer_to_offset(domain_start, slashp));
result->barejid = g_utf8_substring(trimmed, 0, g_utf8_pointer_to_offset(trimmed, slashp));
result->fulljid = g_strdup(trimmed);
} else {
result->domainpart = g_strdup(domain_start);
result->barejid = g_strdup(trimmed);
}
if (result->domainpart == NULL) {
jid_destroy(result);
return NULL;
}
result->str = trimmed;
return result;
}
Jid *
jid_create_from_bare_and_resource(const char * const room, const char * const nick)
{
Jid *result;
char *jid = create_fulljid(room, nick);
result = jid_create(jid);
free(jid);
return result;
}
void
jid_destroy(Jid *jid)
{
if (jid != NULL) {
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 full room JID of the form
* room@server/nick
* Will create two new strings and point room and nick to them e.g.
* *room = "room@server", *nick = "nick"
* The strings must be freed by the caller
* Returns TRUE if the JID was parsed successfully, FALSE otherwise
*/
gboolean
parse_room_jid(const char * const full_room_jid, char **room, char **nick)
{
Jid *jid = jid_create(full_room_jid);
if (jid == NULL) {
return FALSE;
}
if (jid->resourcepart == NULL) {
jid_destroy(jid);
return FALSE;
}
*room = strdup(jid->barejid);
*nick = strdup(jid->resourcepart);
jid_destroy(jid);
return TRUE;
}
/*
* 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)
{
GString *full_jid = g_string_new(barejid);
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 room name part of the full JID, e.g.
* Full JID = "test@conference.server/person"
* returns "test@conference.server"
*/
char *
get_room_from_full_jid(const char * const full_room_jid)
{
char **tokens = g_strsplit(full_room_jid, "/", 0);
char *room_part = NULL;
if (tokens != NULL) {
if (tokens[0] != NULL) {
room_part = strdup(tokens[0]);
}
g_strfreev(tokens);
}
return room_part;
}
/*
* 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 != NULL) {
if (tokens[0] != NULL && tokens[1] != NULL) {
nick_part = strdup(tokens[1]);
}
g_strfreev(tokens);
}
return nick_part;
}