1 // meta4ra -- Metalink 4.0 utilities
2 // Copyright (C) 2021-2024 Sergey Matveev <stargrave@stargrave.org>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, version 3 of the License.
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program. If not, see <http://www.gnu.org/licenses/>.
29 meta4ra "go.stargrave.org/meta4ra/internal"
33 fn := flag.String("fn", "", "Filename")
34 mtime := flag.String("mtime", "", "Take that file's mtime as a Published date")
35 desc := flag.String("desc", "", "Description")
36 sigPGP := flag.String("sig-pgp", "",
37 "Path to OpenPGP .asc signature file for inclusion")
38 sigSSH := flag.String("sig-ssh", "",
39 "Path to OpenSSH .sig signature file for inclusion")
40 hashes := flag.String("hashes", meta4ra.HashesDefault,
41 "hash-name:commandline[,...]")
42 noPublished := flag.Bool("no-published", false,
43 "Do not include Published field")
44 noGenerator := flag.Bool("no-generator", false,
45 "Do not include Generator field")
46 torrent := flag.String("torrent", "", "Torrent URL")
48 fmt.Fprintf(flag.CommandLine.Output(),
49 "Usage: %s [options] [URL ...] < DATA > XXX.meta4\n", os.Args[0])
55 log.Fatalln("empty -fn")
57 urls := make([]meta4ra.URL, 0, len(flag.Args()))
58 for _, u := range flag.Args() {
59 urls = append(urls, meta4ra.URL{URL: u})
61 h, err := meta4ra.NewHasher(*hashes)
66 br := bufio.NewReaderSize(os.Stdin, meta4ra.BufLen)
67 buf := make([]byte, meta4ra.BufLen)
68 size, err := io.CopyBuffer(h, br, buf)
72 dgsts, err := h.Sums()
84 sigData, err := os.ReadFile(*sigPGP)
88 f.Signature = append(f.Signature, meta4ra.Signature{
89 MediaType: meta4ra.SigMediaTypePGP,
90 Signature: "\n" + string(sigData),
94 sigData, err := os.ReadFile(*sigSSH)
98 f.Signature = append(f.Signature, meta4ra.Signature{
99 MediaType: meta4ra.SigMediaTypeSSH,
100 Signature: "\n" + string(sigData),
104 f.MetaURLs = []meta4ra.MetaURL{{MediaType: "torrent", URL: *torrent}}
106 var published time.Time
108 published = time.Now()
110 fi, err := os.Stat(*mtime)
114 published = fi.ModTime()
116 m := meta4ra.Metalink{Files: []meta4ra.File{f}}
118 t := published.UTC().Truncate(time.Second)
122 m.Generator = meta4ra.Generator
124 out, err := xml.MarshalIndent(&m, "", " ")
128 os.Stdout.Write([]byte(xml.Header))
130 os.Stdout.Write([]byte("\n"))