124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
/*
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* Copyright 2003-2018 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 "LocateUri.hxx"
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#include "client/Client.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "ls.hxx"
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#include "util/UriUtil.hxx"
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#include "util/ASCII.hxx"
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#ifdef ENABLE_DATABASE
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#include "storage/StorageInterface.hxx"
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#endif
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static LocatedUri
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LocateFileUri(const char *uri, const Client *client
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#ifdef ENABLE_DATABASE
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, const Storage *storage
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#endif
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)
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{
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auto path = AllocatedPath::FromUTF8Throw(uri);
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#ifdef ENABLE_DATABASE
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if (storage != nullptr) {
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const char *suffix = storage->MapToRelativeUTF8(uri);
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if (suffix != nullptr)
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/* this path was relative to the music
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directory */
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return LocatedUri(LocatedUri::Type::RELATIVE, suffix);
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}
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#endif
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if (client != nullptr)
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client->AllowFile(path);
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return LocatedUri(LocatedUri::Type::PATH, uri, std::move(path));
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}
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static LocatedUri
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LocateAbsoluteUri(UriPluginKind kind, const char *uri
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#ifdef ENABLE_DATABASE
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, const Storage *storage
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#endif
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)
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{
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switch (kind) {
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case UriPluginKind::INPUT:
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case UriPluginKind::STORAGE: // TODO: separate check for storage plugins
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if (!uri_supported_scheme(uri))
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throw std::runtime_error("Unsupported URI scheme");
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break;
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case UriPluginKind::PLAYLIST:
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/* for now, no validation for playlist URIs; this is
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more complicated because there are three ways to
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identify which plugin to use: URI scheme, filename
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suffix and MIME type */
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break;
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}
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#ifdef ENABLE_DATABASE
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if (storage != nullptr) {
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const char *suffix = storage->MapToRelativeUTF8(uri);
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if (suffix != nullptr)
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return LocatedUri(LocatedUri::Type::RELATIVE, suffix);
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}
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#endif
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return LocatedUri(LocatedUri::Type::ABSOLUTE, uri);
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}
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LocatedUri
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LocateUri(UriPluginKind kind,
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const char *uri, const Client *client
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#ifdef ENABLE_DATABASE
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, const Storage *storage
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#endif
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)
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{
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/* skip the obsolete "file://" prefix */
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const char *path_utf8 = StringAfterPrefixCaseASCII(uri, "file://");
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if (path_utf8 != nullptr) {
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if (!PathTraitsUTF8::IsAbsolute(path_utf8))
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throw std::runtime_error("Malformed file:// URI");
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return LocateFileUri(path_utf8, client
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#ifdef ENABLE_DATABASE
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, storage
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#endif
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);
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} else if (PathTraitsUTF8::IsAbsolute(uri))
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return LocateFileUri(uri, client
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#ifdef ENABLE_DATABASE
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, storage
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#endif
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);
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else if (uri_has_scheme(uri))
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return LocateAbsoluteUri(kind, uri
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#ifdef ENABLE_DATABASE
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, storage
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#endif
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);
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else
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return LocatedUri(LocatedUri::Type::RELATIVE, uri);
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}
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