LocateUri: new library to classify URIs in a standard way
This commit is contained in:
Max Kellermann
parent
1a5b66b78d
commit
f072cbbba7
@ -168,6 +168,7 @@ libmpd_a_SOURCES = \
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src/ReplayGainConfig.cxx src/ReplayGainConfig.hxx \
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src/ReplayGainInfo.cxx src/ReplayGainInfo.hxx \
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src/DetachedSong.cxx src/DetachedSong.hxx \
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src/LocateUri.cxx src/LocateUri.hxx \
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src/SongUpdate.cxx \
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src/SongLoader.cxx src/SongLoader.hxx \
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src/SongPrint.cxx src/SongPrint.hxx \
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@ -2141,6 +2142,7 @@ test_test_translate_song_SOURCES = \
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src/PlaylistError.cxx \
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src/DetachedSong.cxx \
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src/SongLoader.cxx \
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src/LocateUri.cxx \
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src/Log.cxx \
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test/test_translate_song.cxx
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test_test_translate_song_CPPFLAGS = $(AM_CPPFLAGS) $(CPPUNIT_CFLAGS) -DCPPUNIT_HAVE_RTTI=0
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120
src/LocateUri.cxx
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120
src/LocateUri.cxx
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@ -0,0 +1,120 @@
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/*
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* Copyright (C) 2003-2015 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/StringUtil.hxx"
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#include "util/Error.hxx"
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#include "util/Domain.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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const Domain locate_uri_domain("locate_uri");
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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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Error &error)
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{
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auto path = AllocatedPath::FromUTF8(uri, error);
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if (path.IsNull())
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return LocatedUri::Unknown();
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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 && !client->AllowFile(path, error))
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return LocatedUri::Unknown();
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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(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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Error &error)
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{
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if (!uri_supported_scheme(uri)) {
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error.Set(locate_uri_domain, "Unsupported URI scheme");
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return LocatedUri::Unknown();
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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(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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Error &error)
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{
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/* skip the obsolete "file://" prefix */
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const char *path_utf8 = StringAfterPrefix(uri, "file://");
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if (path_utf8 != nullptr) {
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if (!PathTraitsUTF8::IsAbsolute(path_utf8)) {
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error.Set(locate_uri_domain, "Malformed file:// URI");
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return LocatedUri::Unknown();
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}
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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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error);
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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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error);
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else if (uri_has_scheme(uri))
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return LocateAbsoluteUri(uri,
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#ifdef ENABLE_DATABASE
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storage,
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#endif
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error);
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else
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return LocatedUri(LocatedUri::Type::RELATIVE, uri);
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}
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109
src/LocateUri.hxx
Normal file
109
src/LocateUri.hxx
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@ -0,0 +1,109 @@
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/*
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* Copyright (C) 2003-2015 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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#ifndef MPD_LOCATE_URI_HXX
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#define MPD_LOCATE_URI_HXX
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#include "check.h"
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#include "Compiler.h"
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#include "fs/AllocatedPath.hxx"
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#ifdef WIN32
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#include <windows.h>
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/* damn you, windows.h! */
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#ifdef ABSOLUTE
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#undef ABSOLUTE
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#endif
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#ifdef RELATIVE
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#undef RELATIVE
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#endif
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#endif
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class Domain;
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class Error;
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class Client;
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#ifdef ENABLE_DATABASE
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class Storage;
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#endif
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struct LocatedUri {
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enum class Type {
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/**
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* Failed to parse the URI.
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*/
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UNKNOWN,
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/**
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* An absolute URI with a supported scheme.
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*/
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ABSOLUTE,
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/**
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* A relative URI path.
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*/
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RELATIVE,
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/**
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* A local file. The #path attribute is valid.
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*/
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PATH,
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} type;
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const char *canonical_uri;
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/**
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* Contains the local file path if type==FILE.
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*/
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AllocatedPath path;
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LocatedUri(Type _type, const char *_uri,
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AllocatedPath &&_path=AllocatedPath::Null())
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:type(_type), canonical_uri(_uri), path(std::move(_path)) {}
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gcc_const
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static LocatedUri Unknown() {
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return LocatedUri(Type::UNKNOWN, nullptr);
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}
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bool IsUnknown() const {
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return type == Type::UNKNOWN;
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}
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};
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extern const Domain locate_uri_domain;
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/**
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* Classify a URI.
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*
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* @param client the #Client that is used to determine whether a local
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* file is allowed; nullptr disables the check and allows all local
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* files
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* @param storage a #Storage instance which may be used to convert
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* absolute URIs to relative ones, using Storage::MapToRelativeUTF8();
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* that feature is disabled if this parameter is nullptr
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*/
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LocatedUri
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LocateUri(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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Error &error);
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#endif
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@ -19,19 +19,15 @@
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#include "config.h"
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#include "SongLoader.hxx"
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#include "LocateUri.hxx"
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#include "client/Client.hxx"
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#include "db/DatabaseSong.hxx"
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#include "storage/StorageInterface.hxx"
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#include "ls.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "fs/Traits.hxx"
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#include "util/UriUtil.hxx"
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#include "util/Error.hxx"
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#include "DetachedSong.hxx"
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#include "PlaylistError.hxx"
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#include <assert.h>
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#include <string.h>
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#ifdef ENABLE_DATABASE
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@ -57,7 +53,7 @@ SongLoader::LoadFromDatabase(const char *uri, Error &error) const
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}
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DetachedSong *
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SongLoader::LoadFile(const char *path_utf8, Error &error) const
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SongLoader::LoadFile(const char *path_utf8, Path path_fs, Error &error) const
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{
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#ifdef ENABLE_DATABASE
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if (storage != nullptr) {
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@ -69,13 +65,6 @@ SongLoader::LoadFile(const char *path_utf8, Error &error) const
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}
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#endif
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const auto path_fs = AllocatedPath::FromUTF8(path_utf8, error);
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if (path_fs.IsNull())
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return nullptr;
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if (client != nullptr && !client->AllowFile(path_fs, error))
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return nullptr;
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DetachedSong *song = new DetachedSong(path_utf8);
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if (!song->LoadFile(path_fs)) {
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error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG),
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@ -87,6 +76,27 @@ SongLoader::LoadFile(const char *path_utf8, Error &error) const
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return song;
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}
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DetachedSong *
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SongLoader::LoadSong(const LocatedUri &located_uri, Error &error) const
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{
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switch (located_uri.type) {
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case LocatedUri::Type::UNKNOWN:
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gcc_unreachable();
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case LocatedUri::Type::ABSOLUTE:
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return new DetachedSong(located_uri.canonical_uri);
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case LocatedUri::Type::RELATIVE:
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return LoadFromDatabase(located_uri.canonical_uri, error);
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case LocatedUri::Type::PATH:
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return LoadFile(located_uri.canonical_uri, located_uri.path,
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error);
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}
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gcc_unreachable();
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}
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DetachedSong *
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SongLoader::LoadSong(const char *uri_utf8, Error &error) const
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{
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@ -95,25 +105,13 @@ SongLoader::LoadSong(const char *uri_utf8, Error &error) const
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assert(uri_utf8 != nullptr);
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#endif
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if (memcmp(uri_utf8, "file:///", 8) == 0)
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/* absolute path */
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return LoadFile(uri_utf8 + 7, error);
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else if (PathTraitsUTF8::IsAbsolute(uri_utf8))
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/* absolute path */
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return LoadFile(uri_utf8, error);
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else if (uri_has_scheme(uri_utf8)) {
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/* remove URI */
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if (!uri_supported_scheme(uri_utf8)) {
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error.Set(playlist_domain,
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int(PlaylistResult::NO_SUCH_SONG),
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"Unsupported URI scheme");
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return nullptr;
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}
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const auto located_uri = LocateUri(uri_utf8, client,
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#ifdef ENABLE_DATABASE
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storage,
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#endif
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error);
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if (located_uri.IsUnknown())
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return nullptr;
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return new DetachedSong(uri_utf8);
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} else {
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/* URI relative to the music directory */
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return LoadFromDatabase(uri_utf8, error);
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}
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return LoadSong(located_uri, error);
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}
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@ -29,7 +29,9 @@ class Client;
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class Database;
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class Storage;
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class DetachedSong;
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class Path;
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class Error;
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struct LocatedUri;
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/**
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* A utility class that loads a #DetachedSong object by its URI. If
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@ -66,6 +68,8 @@ public:
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}
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#endif
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DetachedSong *LoadSong(const LocatedUri &uri, Error &error) const;
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gcc_nonnull_all
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DetachedSong *LoadSong(const char *uri_utf8, Error &error) const;
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@ -74,7 +78,8 @@ private:
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DetachedSong *LoadFromDatabase(const char *uri, Error &error) const;
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gcc_nonnull_all
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DetachedSong *LoadFile(const char *path_utf8, Error &error) const;
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DetachedSong *LoadFile(const char *path_utf8, Path path_fs,
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Error &error) const;
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};
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#endif
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@ -20,6 +20,7 @@
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#include "config.h"
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#include "CommandError.hxx"
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#include "db/DatabaseError.hxx"
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#include "LocateUri.hxx"
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#include "client/Response.hxx"
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#include "util/Error.hxx"
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#include "Log.hxx"
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@ -114,6 +115,9 @@ print_error(Response &r, const Error &error)
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return CommandResult::ERROR;
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}
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#endif
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} else if (error.IsDomain(locate_uri_domain)) {
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r.Error(ACK_ERROR_ARG, error.GetMessage());
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return CommandResult::ERROR;
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} else if (error.IsDomain(errno_domain)) {
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r.Error(ACK_ERROR_SYSTEM, strerror(error.GetCode()));
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return CommandResult::ERROR;
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@ -39,8 +39,8 @@
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#include "fs/AllocatedPath.hxx"
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#include "fs/FileInfo.hxx"
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#include "fs/DirectoryReader.hxx"
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#include "LocateUri.hxx"
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#include "TimePrint.hxx"
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#include "ls.hxx"
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#include <assert.h>
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#include <sys/stat.h>
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@ -70,21 +70,12 @@ skip_path(Path name_fs)
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#endif
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CommandResult
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handle_listfiles_local(Client &client, Response &r,
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const char *path_utf8)
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handle_listfiles_local(Response &r,
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const char *path_utf8, Path path_fs)
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{
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const auto path_fs = AllocatedPath::FromUTF8(path_utf8);
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if (path_fs.IsNull()) {
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r.Error(ACK_ERROR_NO_EXIST, "unsupported file name");
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return CommandResult::ERROR;
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}
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Error error;
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if (!client.AllowFile(path_fs, error))
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return print_error(r, error);
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DirectoryReader reader(path_fs);
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if (reader.HasFailed()) {
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Error error;
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error.FormatErrno("Failed to open '%s'", path_utf8);
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return print_error(r, error);
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}
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@ -172,11 +163,6 @@ static constexpr tag_handler print_comment_handler = {
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static CommandResult
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read_stream_comments(Response &r, const char *uri)
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{
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if (!uri_supported_scheme(uri)) {
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r.Error(ACK_ERROR_NO_EXIST, "unsupported URI scheme");
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return CommandResult::ERROR;
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}
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if (!tag_stream_scan(uri, print_comment_handler, &r)) {
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r.Error(ACK_ERROR_NO_EXIST, "Failed to load file");
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return CommandResult::ERROR;
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@ -201,63 +187,64 @@ read_file_comments(Response &r, const Path path_fs)
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}
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static const char *
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translate_uri(const char *uri)
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static CommandResult
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read_db_comments(Client &client, Response &r, const char *uri)
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{
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if (memcmp(uri, "file:///", 8) == 0)
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/* drop the "file://", leave only an absolute path
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(starting with a slash) */
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return uri + 7;
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#ifdef ENABLE_DATABASE
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const Storage *storage = client.GetStorage();
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if (storage == nullptr) {
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#else
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(void)client;
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(void)uri;
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#endif
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r.Error(ACK_ERROR_NO_EXIST, "No database");
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return CommandResult::ERROR;
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#ifdef ENABLE_DATABASE
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}
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return uri;
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{
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AllocatedPath path_fs = storage->MapFS(uri);
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if (!path_fs.IsNull())
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return read_file_comments(r, path_fs);
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}
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{
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const std::string uri2 = storage->MapUTF8(uri);
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if (uri_has_scheme(uri2.c_str()))
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return read_stream_comments(r, uri2.c_str());
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}
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r.Error(ACK_ERROR_NO_EXIST, "No such file");
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return CommandResult::ERROR;
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#endif
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}
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CommandResult
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handle_read_comments(Client &client, Request args, Response &r)
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{
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assert(args.size == 1);
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const char *const uri = translate_uri(args.front());
|
||||
|
||||
if (PathTraitsUTF8::IsAbsolute(uri)) {
|
||||
/* read comments from arbitrary local file */
|
||||
const char *path_utf8 = uri;
|
||||
AllocatedPath path_fs = AllocatedPath::FromUTF8(path_utf8);
|
||||
if (path_fs.IsNull()) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "unsupported file name");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
const char *const uri = args.front();
|
||||
|
||||
Error error;
|
||||
if (!client.AllowFile(path_fs, error))
|
||||
return print_error(r, error);
|
||||
|
||||
return read_file_comments(r, path_fs);
|
||||
} else if (uri_has_scheme(uri)) {
|
||||
return read_stream_comments(r, uri);
|
||||
} else {
|
||||
Error error;
|
||||
const auto located_uri = LocateUri(uri, &client,
|
||||
#ifdef ENABLE_DATABASE
|
||||
const Storage *storage = client.GetStorage();
|
||||
if (storage == nullptr) {
|
||||
nullptr,
|
||||
#endif
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No database");
|
||||
return CommandResult::ERROR;
|
||||
#ifdef ENABLE_DATABASE
|
||||
}
|
||||
error);
|
||||
switch (located_uri.type) {
|
||||
case LocatedUri::Type::UNKNOWN:
|
||||
return print_error(r, error);
|
||||
|
||||
{
|
||||
AllocatedPath path_fs = storage->MapFS(uri);
|
||||
if (!path_fs.IsNull())
|
||||
return read_file_comments(r, path_fs);
|
||||
}
|
||||
case LocatedUri::Type::ABSOLUTE:
|
||||
return read_stream_comments(r, located_uri.canonical_uri);
|
||||
|
||||
{
|
||||
const std::string uri2 = storage->MapUTF8(uri);
|
||||
if (uri_has_scheme(uri2.c_str()))
|
||||
return read_stream_comments(r, uri2.c_str());
|
||||
}
|
||||
case LocatedUri::Type::RELATIVE:
|
||||
return read_db_comments(client, r, located_uri.canonical_uri);
|
||||
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No such file");
|
||||
return CommandResult::ERROR;
|
||||
#endif
|
||||
case LocatedUri::Type::PATH:
|
||||
return read_file_comments(r, located_uri.path);
|
||||
}
|
||||
|
||||
gcc_unreachable();
|
||||
}
|
||||
|
||||
@ -25,10 +25,11 @@
|
||||
class Client;
|
||||
class Request;
|
||||
class Response;
|
||||
class Path;
|
||||
|
||||
CommandResult
|
||||
handle_listfiles_local(Client &client, Response &response,
|
||||
const char *path_utf8);
|
||||
handle_listfiles_local(Response &response,
|
||||
const char *path_utf8, Path path_fs);
|
||||
|
||||
CommandResult
|
||||
handle_read_comments(Client &client, Request request, Response &response);
|
||||
|
||||
@ -25,6 +25,7 @@
|
||||
#include "CommandError.hxx"
|
||||
#include "db/Uri.hxx"
|
||||
#include "storage/StorageInterface.hxx"
|
||||
#include "LocateUri.hxx"
|
||||
#include "DetachedSong.hxx"
|
||||
#include "SongPrint.hxx"
|
||||
#include "TagPrint.hxx"
|
||||
@ -122,31 +123,49 @@ handle_listfiles(Client &client, Request args, Response &r)
|
||||
/* default is root directory */
|
||||
const auto uri = args.GetOptional(0, "");
|
||||
|
||||
if (memcmp(uri, "file:///", 8) == 0)
|
||||
/* list local directory */
|
||||
return handle_listfiles_local(client, r, uri + 7);
|
||||
|
||||
Error error;
|
||||
const auto located_uri = LocateUri(uri, &client,
|
||||
#ifdef ENABLE_DATABASE
|
||||
if (uri_has_scheme(uri))
|
||||
/* use storage plugin to list remote directory */
|
||||
return handle_listfiles_storage(r, uri);
|
||||
|
||||
/* must be a path relative to the configured
|
||||
music_directory */
|
||||
|
||||
if (client.partition.instance.storage != nullptr)
|
||||
/* if we have a storage instance, obtain a list of
|
||||
files from it */
|
||||
return handle_listfiles_storage(r,
|
||||
*client.partition.instance.storage,
|
||||
uri);
|
||||
|
||||
/* fall back to entries from database if we have no storage */
|
||||
return handle_listfiles_db(client, r, uri);
|
||||
#else
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No database");
|
||||
return CommandResult::ERROR;
|
||||
nullptr,
|
||||
#endif
|
||||
error);
|
||||
|
||||
switch (located_uri.type) {
|
||||
case LocatedUri::Type::UNKNOWN:
|
||||
return print_error(r, error);
|
||||
|
||||
case LocatedUri::Type::ABSOLUTE:
|
||||
#ifdef ENABLE_DATABASE
|
||||
/* use storage plugin to list remote directory */
|
||||
return handle_listfiles_storage(r, located_uri.canonical_uri);
|
||||
#else
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No database");
|
||||
return CommandResult::ERROR;
|
||||
#endif
|
||||
|
||||
case LocatedUri::Type::RELATIVE:
|
||||
#ifdef ENABLE_DATABASE
|
||||
if (client.partition.instance.storage != nullptr)
|
||||
/* if we have a storage instance, obtain a list of
|
||||
files from it */
|
||||
return handle_listfiles_storage(r,
|
||||
*client.partition.instance.storage,
|
||||
uri);
|
||||
|
||||
/* fall back to entries from database if we have no storage */
|
||||
return handle_listfiles_db(client, r, uri);
|
||||
#else
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No database");
|
||||
return CommandResult::ERROR;
|
||||
#endif
|
||||
|
||||
case LocatedUri::Type::PATH:
|
||||
/* list local directory */
|
||||
return handle_listfiles_local(r, located_uri.canonical_uri,
|
||||
located_uri.path);
|
||||
}
|
||||
|
||||
gcc_unreachable();
|
||||
}
|
||||
|
||||
static constexpr tag_handler print_tag_handler = {
|
||||
@ -155,54 +174,26 @@ static constexpr tag_handler print_tag_handler = {
|
||||
nullptr,
|
||||
};
|
||||
|
||||
CommandResult
|
||||
handle_lsinfo(Client &client, Request args, Response &r)
|
||||
static CommandResult
|
||||
handle_lsinfo_absolute(Response &r, const char *uri)
|
||||
{
|
||||
/* default is root directory */
|
||||
const auto uri = args.GetOptional(0, "");
|
||||
|
||||
if (memcmp(uri, "file:///", 8) == 0) {
|
||||
/* print information about an arbitrary local file */
|
||||
const char *path_utf8 = uri + 7;
|
||||
const auto path_fs = AllocatedPath::FromUTF8(path_utf8);
|
||||
|
||||
if (path_fs.IsNull()) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "unsupported file name");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
|
||||
Error error;
|
||||
if (!client.AllowFile(path_fs, error))
|
||||
return print_error(r, error);
|
||||
|
||||
DetachedSong song(path_utf8);
|
||||
if (!song.LoadFile(path_fs)) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No such file");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
|
||||
song_print_info(r, client.partition, song);
|
||||
return CommandResult::OK;
|
||||
if (!tag_stream_scan(uri, print_tag_handler, &r)) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No such file");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
|
||||
if (uri_has_scheme(uri)) {
|
||||
if (!uri_supported_scheme(uri)) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "unsupported URI scheme");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
|
||||
if (!tag_stream_scan(uri, print_tag_handler, &r)) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No such file");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
|
||||
return CommandResult::OK;
|
||||
}
|
||||
return CommandResult::OK;
|
||||
}
|
||||
|
||||
static CommandResult
|
||||
handle_lsinfo_relative(Client &client, Response &r, const char *uri)
|
||||
{
|
||||
#ifdef ENABLE_DATABASE
|
||||
CommandResult result = handle_lsinfo2(client, uri, r);
|
||||
if (result != CommandResult::OK)
|
||||
return result;
|
||||
#else
|
||||
(void)client;
|
||||
#endif
|
||||
|
||||
if (isRootDirectory(uri)) {
|
||||
@ -219,6 +210,53 @@ handle_lsinfo(Client &client, Request args, Response &r)
|
||||
return CommandResult::OK;
|
||||
}
|
||||
|
||||
static CommandResult
|
||||
handle_lsinfo_path(Client &client, Response &r,
|
||||
const char *path_utf8, Path path_fs)
|
||||
{
|
||||
DetachedSong song(path_utf8);
|
||||
if (!song.LoadFile(path_fs)) {
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No such file");
|
||||
return CommandResult::ERROR;
|
||||
}
|
||||
|
||||
song_print_info(r, client.partition, song);
|
||||
return CommandResult::OK;
|
||||
}
|
||||
|
||||
CommandResult
|
||||
handle_lsinfo(Client &client, Request args, Response &r)
|
||||
{
|
||||
/* default is root directory */
|
||||
const auto uri = args.GetOptional(0, "");
|
||||
|
||||
Error error;
|
||||
const auto located_uri = LocateUri(uri, &client,
|
||||
#ifdef ENABLE_DATABASE
|
||||
nullptr,
|
||||
#endif
|
||||
error);
|
||||
|
||||
switch (located_uri.type) {
|
||||
case LocatedUri::Type::UNKNOWN:
|
||||
return print_error(r, error);
|
||||
|
||||
case LocatedUri::Type::ABSOLUTE:
|
||||
return handle_lsinfo_absolute(r, located_uri.canonical_uri);
|
||||
|
||||
case LocatedUri::Type::RELATIVE:
|
||||
return handle_lsinfo_relative(client, r,
|
||||
located_uri.canonical_uri);
|
||||
|
||||
case LocatedUri::Type::PATH:
|
||||
/* print information about an arbitrary local file */
|
||||
return handle_lsinfo_path(client, r, located_uri.canonical_uri,
|
||||
located_uri.path);
|
||||
}
|
||||
|
||||
gcc_unreachable();
|
||||
}
|
||||
|
||||
#ifdef ENABLE_DATABASE
|
||||
|
||||
static CommandResult
|
||||
|
||||
@ -25,13 +25,14 @@
|
||||
#include "db/Selection.hxx"
|
||||
#include "SongFilter.hxx"
|
||||
#include "SongLoader.hxx"
|
||||
#include "DetachedSong.hxx"
|
||||
#include "LocateUri.hxx"
|
||||
#include "queue/Playlist.hxx"
|
||||
#include "PlaylistPrint.hxx"
|
||||
#include "client/Client.hxx"
|
||||
#include "client/Response.hxx"
|
||||
#include "Partition.hxx"
|
||||
#include "BulkEdit.hxx"
|
||||
#include "ls.hxx"
|
||||
#include "util/ConstBuffer.hxx"
|
||||
#include "util/UriUtil.hxx"
|
||||
#include "util/NumberParser.hxx"
|
||||
@ -42,15 +43,42 @@
|
||||
|
||||
#include <string.h>
|
||||
|
||||
static const char *
|
||||
translate_uri(const char *uri)
|
||||
static CommandResult
|
||||
AddUri(Client &client, const LocatedUri &uri, Response &r)
|
||||
{
|
||||
if (memcmp(uri, "file:///", 8) == 0)
|
||||
/* drop the "file://", leave only an absolute path
|
||||
(starting with a slash) */
|
||||
return uri + 7;
|
||||
Error error;
|
||||
DetachedSong *song = SongLoader(client).LoadSong(uri, error);
|
||||
if (song == nullptr)
|
||||
return print_error(r, error);
|
||||
|
||||
return uri;
|
||||
auto &partition = client.partition;
|
||||
unsigned id = partition.playlist.AppendSong(partition.pc,
|
||||
std::move(*song), error);
|
||||
delete song;
|
||||
if (id == 0)
|
||||
return print_error(r, error);
|
||||
|
||||
return CommandResult::OK;
|
||||
}
|
||||
|
||||
static CommandResult
|
||||
AddDatabaseSelection(Client &client, const char *uri, Response &r)
|
||||
{
|
||||
#ifdef ENABLE_DATABASE
|
||||
const ScopeBulkEdit bulk_edit(client.partition);
|
||||
|
||||
const DatabaseSelection selection(uri, true);
|
||||
Error error;
|
||||
return AddFromDatabase(client.partition, selection, error)
|
||||
? CommandResult::OK
|
||||
: print_error(r, error);
|
||||
#else
|
||||
(void)client;
|
||||
(void)uri;
|
||||
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No database");
|
||||
return CommandResult::ERROR;
|
||||
#endif
|
||||
}
|
||||
|
||||
CommandResult
|
||||
@ -65,36 +93,32 @@ handle_add(Client &client, Request args, Response &r)
|
||||
here */
|
||||
uri = "";
|
||||
|
||||
uri = translate_uri(uri);
|
||||
Error error;
|
||||
const auto located_uri = LocateUri(uri, &client,
|
||||
#ifdef ENABLE_DATABASE
|
||||
nullptr,
|
||||
#endif
|
||||
error);
|
||||
switch (located_uri.type) {
|
||||
case LocatedUri::Type::UNKNOWN:
|
||||
return print_error(r, error);
|
||||
|
||||
if (uri_has_scheme(uri) || PathTraitsUTF8::IsAbsolute(uri)) {
|
||||
const SongLoader loader(client);
|
||||
Error error;
|
||||
unsigned id = client.partition.AppendURI(loader, uri, error);
|
||||
if (id == 0)
|
||||
return print_error(r, error);
|
||||
case LocatedUri::Type::ABSOLUTE:
|
||||
case LocatedUri::Type::PATH:
|
||||
return AddUri(client, located_uri, r);
|
||||
|
||||
return CommandResult::OK;
|
||||
case LocatedUri::Type::RELATIVE:
|
||||
return AddDatabaseSelection(client, located_uri.canonical_uri,
|
||||
r);
|
||||
}
|
||||
|
||||
#ifdef ENABLE_DATABASE
|
||||
const ScopeBulkEdit bulk_edit(client.partition);
|
||||
|
||||
const DatabaseSelection selection(uri, true);
|
||||
Error error;
|
||||
return AddFromDatabase(client.partition, selection, error)
|
||||
? CommandResult::OK
|
||||
: print_error(r, error);
|
||||
#else
|
||||
r.Error(ACK_ERROR_NO_EXIST, "No database");
|
||||
return CommandResult::ERROR;
|
||||
#endif
|
||||
gcc_unreachable();
|
||||
}
|
||||
|
||||
CommandResult
|
||||
handle_addid(Client &client, Request args, Response &r)
|
||||
{
|
||||
const char *const uri = translate_uri(args.front());
|
||||
const char *const uri = args.front();
|
||||
|
||||
const SongLoader loader(client);
|
||||
Error error;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user