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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/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /**
- * @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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