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/*
* This file is part of telepathy-idle
*
* Copyright (C) 2006-2007 Collabora Limited
* Copyright (C) 2006-2007 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "idle-handles.h"
#include <glib.h>
#include <ctype.h>
#include <string.h>
#include <telepathy-glib/errors.h>
#include <telepathy-glib/handle-repo-dynamic.h>
static gboolean _nickname_is_valid(const gchar *nickname) {
gsize len;
gunichar ucs4char;
const gchar *char_pos = nickname;
len = g_utf8_strlen(nickname, -1);
if (!len)
return FALSE;
while (char_pos != NULL) {
ucs4char = g_utf8_get_char_validated(char_pos, -1);
switch (*char_pos) {
case '[':
case ']':
case '\\':
case '`':
case '_':
case '^':
case '{':
case '|':
case '}':
case '-':
break;
case '\0':
return TRUE;
break;
default:
if (!(g_unichar_isalpha(ucs4char) || ((char_pos != nickname) && g_unichar_isdigit(ucs4char))))
return FALSE;
break;
}
char_pos = g_utf8_find_next_char(char_pos, NULL);
}
return TRUE;
}
static gboolean _channelname_is_valid(const gchar *channel) {
static const gchar not_allowed_chars[] = {' ', '\007', ',', '\r', '\n', ':', '\0'};
if ((channel[0] != '#') && (channel[0] != '!') && (channel[0] != '&') && (channel[0] != '+'))
return FALSE;
gsize len = strlen(channel);
if ((len < 2) || (len > 50))
return FALSE;
if (channel[0] == '!') {
for (int i = 0; i < 5; i++) {
if (!g_ascii_isupper(channel[i + 1]) && !isdigit(channel[i + 1]))
return FALSE;
}
}
const gchar *tmp = strchr(channel + 1, ':');
if (tmp != NULL) {
for (const gchar *tmp2 = channel + 1; tmp2 != tmp; tmp2++) {
if (strchr(not_allowed_chars, *tmp2))
return FALSE;
}
for (const gchar *tmp2 = tmp + 1; tmp2 != channel + len; tmp2++) {
if (strchr(not_allowed_chars, *tmp2))
return FALSE;
}
} else {
for (const gchar *tmp2 = channel + 1; tmp2 != channel + len; tmp2++) {
if (strchr(not_allowed_chars, *tmp2))
return FALSE;
}
}
return TRUE;
}
static gchar *_nick_normalize_func(TpHandleRepoIface *repo, const gchar *id, gpointer ctx, GError **error) {
if (!_nickname_is_valid(id)) {
g_set_error(error, TP_ERRORS, TP_ERROR_INVALID_HANDLE, "invalid nickname");
return NULL;
}
gchar *normalized = g_utf8_strdown(id, -1);
return normalized;
}
static gchar *_channel_normalize_func(TpHandleRepoIface *repo, const gchar *id, gpointer ctx, GError **error) {
gchar *channel = g_strdup(id);
if ((channel[0] != '#') && (channel[0] != '!') && (channel[0] != '&') && (channel[0] != '+')) {
gchar *tmp = channel;
channel = g_strdup_printf("#%s", channel);
g_free(tmp);
}
if (!_channelname_is_valid(channel)) {
g_set_error(error, TP_ERRORS, TP_ERROR_INVALID_HANDLE, "invalid channel ID");
return NULL;
}
gchar *normalized = g_utf8_strdown(channel, -1);
g_free(channel);
return normalized;
}
void idle_handle_repos_init(TpHandleRepoIface **handles) {
g_assert(handles != NULL);
handles[TP_HANDLE_TYPE_CONTACT] = (TpHandleRepoIface *) g_object_new(TP_TYPE_DYNAMIC_HANDLE_REPO,
"handle-type", TP_HANDLE_TYPE_CONTACT,
"normalize-function", _nick_normalize_func,
"default-normalize-context", NULL,
NULL);
handles[TP_HANDLE_TYPE_ROOM] = (TpHandleRepoIface *) g_object_new(TP_TYPE_DYNAMIC_HANDLE_REPO,
"handle-type", TP_HANDLE_TYPE_ROOM,
"normalize-function", _channel_normalize_func,
"default-normalize-context", NULL,
NULL);
}
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