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/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "uri.h"
#include <glib.h>
#include <assert.h>
#include <string.h>
bool uri_has_scheme(const char *uri)
{
return strstr(uri, "://") != NULL;
}
/* suffixes should be ascii only characters */
const char *
uri_get_suffix(const char *uri)
{
const char *suffix = strrchr(uri, '.');
if (suffix == NULL)
return NULL;
++suffix;
if (strpbrk(suffix, "/\\") != NULL)
return NULL;
return suffix;
}
static const char *
verify_uri_segment(const char *p)
{
const char *q;
unsigned dots = 0;
while (*p == '.') {
++p;
++dots;
}
if (dots <= 2 && (*p == 0 || *p == '/'))
return NULL;
q = strchr(p + 1, '/');
return q != NULL ? q : "";
}
bool
uri_safe_local(const char *uri)
{
while (true) {
uri = verify_uri_segment(uri);
if (uri == NULL)
return false;
if (*uri == 0)
return true;
assert(*uri == '/');
++uri;
}
}
char *
uri_remove_auth(const char *uri)
{
const char *auth, *slash, *at;
char *p;
if (strncmp(uri, "http://", 7) == 0)
auth = uri + 7;
else if (strncmp(uri, "https://", 8) == 0)
auth = uri + 8;
else
/* unrecognized URI */
return NULL;
slash = strchr(auth, '/');
if (slash == NULL)
slash = auth + strlen(auth);
at = memchr(auth, '@', slash - auth);
if (at == NULL)
/* no auth info present, do nothing */
return NULL;
/* duplicate the full URI and then delete the auth
information */
p = g_strdup(uri);
memmove(p + (auth - uri), p + (at + 1 - uri),
strlen(at));
return p;
}
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