/* * Copyright (C) 2003-2010 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(g_basename(uri), '.'); if (suffix == NULL) return NULL; ++suffix; if (strchr(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; }