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/*
This file is part of GNUnet.
Copyright (C) 2010, 2011, 2017 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file fs/fs_misc.c
* @brief misc. functions related to file-sharing in general
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_constants.h"
#include "gnunet_fs_service.h"
#include "fs_api.h"
/**
* Suggest a filename based on given metadata.
*
* @param md given meta data
* @return NULL if meta data is useless for suggesting a filename
*/
char *
GNUNET_FS_meta_data_suggest_filename (const struct GNUNET_CONTAINER_MetaData
*md)
{
static const char *mimeMap[][2] = {
{"application/bz2", ".bz2"},
{"application/gnunet-directory", ".gnd"},
{"application/java", ".class"},
{"application/msword", ".doc"},
{"application/nar", ".nar"},
{"application/narinfo", ".narinfo"},
{"application/ogg", ".ogg"},
{"application/pdf", ".pdf"},
{"application/pgp-keys", ".key"},
{"application/pgp-signature", ".pgp"},
{"application/postscript", ".ps"},
{"application/rar", ".rar"},
{"application/rtf", ".rtf"},
{"application/xml", ".xml"},
{"application/x-debian-package", ".deb"},
{"application/x-dvi", ".dvi"},
{"application/x-flac", ".flac"},
{"application/x-gzip", ".gz"},
{"application/x-java-archive", ".jar"},
{"application/x-java-vm", ".class"},
{"application/x-python-code", ".pyc"},
{"application/x-redhat-package-manager", ".rpm"},
{"application/x-rpm", ".rpm"},
{"application/x-tar", ".tar"},
{"application/x-tex-pk", ".pk"},
{"application/x-texinfo", ".texinfo"},
{"application/x-xcf", ".xcf"},
{"application/x-xfig", ".xfig"},
{"application/zip", ".zip"},
{"audio/midi", ".midi"},
{"audio/mpeg", ".mp3"},
{"audio/real", ".rm"},
{"audio/x-wav", ".wav"},
{"image/gif", ".gif"},
{"image/jpeg", ".jpg"},
{"image/pcx", ".pcx"},
{"image/png", ".png"},
{"image/tiff", ".tiff"},
{"image/x-ms-bmp", ".bmp"},
{"image/x-xpixmap", ".xpm"},
{"text/css", ".css"},
{"text/html", ".html"},
{"text/plain", ".txt"},
{"text/rtf", ".rtf"},
{"text/x-c++hdr", ".h++"},
{"text/x-c++src", ".c++"},
{"text/x-chdr", ".h"},
{"text/x-csrc", ".c"},
{"text/x-java", ".java"},
{"text/x-moc", ".moc"},
{"text/x-pascal", ".pas"},
{"text/x-perl", ".pl"},
{"text/x-python", ".py"},
{"text/x-tex", ".tex"},
{"video/avi", ".avi"},
{"video/mpeg", ".mpeg"},
{"video/quicktime", ".qt"},
{"video/real", ".rm"},
{"video/x-msvideo", ".avi"},
{NULL, NULL},
};
char *ret;
unsigned int i;
char *mime;
char *base;
const char *ext;
ret =
GNUNET_CONTAINER_meta_data_get_by_type (md,
EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
if (ret != NULL)
return ret;
ext = NULL;
mime =
GNUNET_CONTAINER_meta_data_get_by_type (md, EXTRACTOR_METATYPE_MIMETYPE);
if (mime != NULL)
{
i = 0;
while ((mimeMap[i][0] != NULL) && (0 != strcmp (mime, mimeMap[i][0])))
i++;
if (mimeMap[i][1] == NULL)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
_("Did not find mime type `%s' in extension list.\n"), mime);
else
ext = mimeMap[i][1];
GNUNET_free (mime);
}
base =
GNUNET_CONTAINER_meta_data_get_first_by_types (md,
EXTRACTOR_METATYPE_TITLE,
EXTRACTOR_METATYPE_BOOK_TITLE,
EXTRACTOR_METATYPE_ORIGINAL_TITLE,
EXTRACTOR_METATYPE_PACKAGE_NAME,
EXTRACTOR_METATYPE_URL,
EXTRACTOR_METATYPE_URI,
EXTRACTOR_METATYPE_DESCRIPTION,
EXTRACTOR_METATYPE_ISRC,
EXTRACTOR_METATYPE_JOURNAL_NAME,
EXTRACTOR_METATYPE_AUTHOR_NAME,
EXTRACTOR_METATYPE_SUBJECT,
EXTRACTOR_METATYPE_ALBUM,
EXTRACTOR_METATYPE_ARTIST,
EXTRACTOR_METATYPE_KEYWORDS,
EXTRACTOR_METATYPE_COMMENT,
EXTRACTOR_METATYPE_UNKNOWN,
-1);
if ((base == NULL) && (ext == NULL))
return NULL;
if (base == NULL)
return GNUNET_strdup (ext);
if (ext == NULL)
return base;
GNUNET_asprintf (&ret, "%s%s", base, ext);
GNUNET_free (base);
return ret;
}
/* end of fs_misc.c */
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