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-rw-r--r--src/fs/fs_misc.c164
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diff --git a/src/fs/fs_misc.c b/src/fs/fs_misc.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2010, 2011, 2017 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20/**
21 * @file fs/fs_misc.c
22 * @brief misc. functions related to file-sharing in general
23 * @author Christian Grothoff
24 */
25#include "platform.h"
26#include "gnunet_constants.h"
27#include "gnunet_fs_service.h"
28#include "fs_api.h"
29
30
31/**
32 * Suggest a filename based on given metadata.
33 *
34 * @param md given meta data
35 * @return NULL if meta data is useless for suggesting a filename
36 */
37char *
38GNUNET_FS_meta_data_suggest_filename (const struct GNUNET_CONTAINER_MetaData
39 *md)
40{
41 static const char *mimeMap[][2] = {
42 { "application/bz2", ".bz2" },
43 { "application/gnunet-directory", ".gnd" },
44 { "application/java", ".class" },
45 { "application/msword", ".doc" },
46 { "application/nar", ".nar" },
47 { "application/narinfo", ".narinfo" },
48 { "application/ogg", ".ogg" },
49 { "application/pdf", ".pdf" },
50 { "application/pgp-keys", ".key" },
51 { "application/pgp-signature", ".pgp" },
52 { "application/postscript", ".ps" },
53 { "application/rar", ".rar" },
54 { "application/rtf", ".rtf" },
55 { "application/xml", ".xml" },
56 { "application/x-debian-package", ".deb" },
57 { "application/x-dvi", ".dvi" },
58 { "application/x-flac", ".flac" },
59 { "application/x-gzip", ".gz" },
60 { "application/x-java-archive", ".jar" },
61 { "application/x-java-vm", ".class" },
62 { "application/x-python-code", ".pyc" },
63 { "application/x-redhat-package-manager", ".rpm" },
64 { "application/x-rpm", ".rpm" },
65 { "application/x-tar", ".tar" },
66 { "application/x-tex-pk", ".pk" },
67 { "application/x-texinfo", ".texinfo" },
68 { "application/x-xcf", ".xcf" },
69 { "application/x-xfig", ".xfig" },
70 { "application/zip", ".zip" },
71
72 { "audio/midi", ".midi" },
73 { "audio/mpeg", ".mp3" },
74 { "audio/real", ".rm" },
75 { "audio/x-wav", ".wav" },
76
77 { "image/gif", ".gif" },
78 { "image/jpeg", ".jpg" },
79 { "image/pcx", ".pcx" },
80 { "image/png", ".png" },
81 { "image/tiff", ".tiff" },
82 { "image/x-ms-bmp", ".bmp" },
83 { "image/x-xpixmap", ".xpm" },
84
85 { "text/css", ".css" },
86 { "text/html", ".html" },
87 { "text/plain", ".txt" },
88 { "text/rtf", ".rtf" },
89 { "text/x-c++hdr", ".h++" },
90 { "text/x-c++src", ".c++" },
91 { "text/x-chdr", ".h" },
92 { "text/x-csrc", ".c" },
93 { "text/x-java", ".java" },
94 { "text/x-moc", ".moc" },
95 { "text/x-pascal", ".pas" },
96 { "text/x-perl", ".pl" },
97 { "text/x-python", ".py" },
98 { "text/x-tex", ".tex" },
99
100 { "video/avi", ".avi" },
101 { "video/mpeg", ".mpeg" },
102 { "video/quicktime", ".qt" },
103 { "video/real", ".rm" },
104 { "video/x-msvideo", ".avi" },
105 { NULL, NULL },
106 };
107 char *ret;
108 unsigned int i;
109 char *mime;
110 char *base;
111 const char *ext;
112
113 ret =
114 GNUNET_CONTAINER_meta_data_get_by_type (md,
115 EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
116 if (ret != NULL)
117 return ret;
118 ext = NULL;
119 mime =
120 GNUNET_CONTAINER_meta_data_get_by_type (md, EXTRACTOR_METATYPE_MIMETYPE);
121 if (mime != NULL)
122 {
123 i = 0;
124 while ((mimeMap[i][0] != NULL) && (0 != strcmp (mime, mimeMap[i][0])))
125 i++;
126 if (mimeMap[i][1] == NULL)
127 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
128 _ ("Did not find mime type `%s' in extension list.\n"), mime);
129 else
130 ext = mimeMap[i][1];
131 GNUNET_free (mime);
132 }
133 base =
134 GNUNET_CONTAINER_meta_data_get_first_by_types (md,
135 EXTRACTOR_METATYPE_TITLE,
136 EXTRACTOR_METATYPE_BOOK_TITLE,
137 EXTRACTOR_METATYPE_ORIGINAL_TITLE,
138 EXTRACTOR_METATYPE_PACKAGE_NAME,
139 EXTRACTOR_METATYPE_URL,
140 EXTRACTOR_METATYPE_URI,
141 EXTRACTOR_METATYPE_DESCRIPTION,
142 EXTRACTOR_METATYPE_ISRC,
143 EXTRACTOR_METATYPE_JOURNAL_NAME,
144 EXTRACTOR_METATYPE_AUTHOR_NAME,
145 EXTRACTOR_METATYPE_SUBJECT,
146 EXTRACTOR_METATYPE_ALBUM,
147 EXTRACTOR_METATYPE_ARTIST,
148 EXTRACTOR_METATYPE_KEYWORDS,
149 EXTRACTOR_METATYPE_COMMENT,
150 EXTRACTOR_METATYPE_UNKNOWN,
151 -1);
152 if ((base == NULL) && (ext == NULL))
153 return NULL;
154 if (base == NULL)
155 return GNUNET_strdup (ext);
156 if (ext == NULL)
157 return base;
158 GNUNET_asprintf (&ret, "%s%s", base, ext);
159 GNUNET_free (base);
160 return ret;
161}
162
163
164/* end of fs_misc.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 08:24:08 +0000