115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "uri.h"
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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bool uri_has_scheme(const char *uri)
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{
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return strstr(uri, "://") != NULL;
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}
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/* suffixes should be ascii only characters */
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const char *
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uri_get_suffix(const char *uri)
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{
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const char *suffix = strrchr(uri, '.');
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if (suffix == NULL)
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return NULL;
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++suffix;
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if (strpbrk(suffix, "/\\") != NULL)
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return NULL;
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return suffix;
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}
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static const char *
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verify_uri_segment(const char *p)
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{
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const char *q;
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unsigned dots = 0;
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while (*p == '.') {
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++p;
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++dots;
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}
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if (dots <= 2 && (*p == 0 || *p == '/'))
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return NULL;
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q = strchr(p + 1, '/');
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return q != NULL ? q : "";
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}
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bool
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uri_safe_local(const char *uri)
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{
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while (true) {
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uri = verify_uri_segment(uri);
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if (uri == NULL)
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return false;
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if (*uri == 0)
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return true;
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assert(*uri == '/');
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++uri;
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}
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}
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char *
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uri_remove_auth(const char *uri)
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{
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const char *auth, *slash, *at;
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char *p;
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if (strncmp(uri, "http://", 7) == 0)
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auth = uri + 7;
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else if (strncmp(uri, "https://", 8) == 0)
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auth = uri + 8;
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else
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/* unrecognized URI */
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return NULL;
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slash = strchr(auth, '/');
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if (slash == NULL)
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slash = auth + strlen(auth);
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at = memchr(auth, '@', slash - auth);
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if (at == NULL)
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/* no auth info present, do nothing */
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return NULL;
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/* duplicate the full URI and then delete the auth
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information */
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p = g_strdup(uri);
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memmove(p + (auth - uri), p + (at + 1 - uri),
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strlen(at));
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return p;
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}
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