import (
"bufio"
- "crypto/sha256"
- "crypto/sha512"
- "encoding/hex"
"encoding/xml"
"flag"
- "hash"
"io"
"log"
"os"
"path"
- "sync"
+ "strings"
"time"
- "go.cypherpunks.ru/gogost/v5/gost34112012256"
- "go.cypherpunks.ru/gogost/v5/gost34112012512"
"go.stargrave.org/meta4ra"
)
-type MultiHasher struct {
- sha256h hash.Hash
- sha512h hash.Hash
- streebog256h hash.Hash
- streebog512h hash.Hash
- g sync.WaitGroup
-}
-
-func NewMultiHasher() *MultiHasher {
- return &MultiHasher{
- sha256h: sha256.New(),
- sha512h: sha512.New(),
- streebog256h: gost34112012256.New(),
- streebog512h: gost34112012512.New(),
- }
-}
-
-func (h *MultiHasher) Write(p []byte) (n int, err error) {
- h.g.Add(4)
- go func() {
- if _, err := h.sha256h.Write(p); err != nil {
- panic(err)
- }
- h.g.Done()
- }()
- go func() {
- if _, err := h.sha512h.Write(p); err != nil {
- panic(err)
- }
- h.g.Done()
- }()
- go func() {
- if _, err := h.streebog256h.Write(p); err != nil {
- panic(err)
- }
- h.g.Done()
- }()
- go func() {
- if _, err := h.streebog512h.Write(p); err != nil {
- panic(err)
- }
- h.g.Done()
- }()
- h.g.Wait()
- return len(p), nil
-}
-
func main() {
fn := flag.String("fn", "", "Filename")
mtime := flag.String("mtime", "", "Take that file's mtime as a Published date")
desc := flag.String("desc", "", "Description")
sig := flag.String("sig", "", "Path to signature file")
+ hashes := flag.String("hashes", strings.Join(meta4ra.HashesDefault, ","), "hash-name:command-s")
torrent := flag.String("torrent", "", "Torrent URL")
log.SetFlags(log.Lshortfile)
flag.Parse()
for _, u := range flag.Args() {
urls = append(urls, meta4ra.URL{URL: u})
}
+ h := meta4ra.NewHasher(*hashes)
+ h.Start()
br := bufio.NewReaderSize(os.Stdin, 1<<20)
buf := make([]byte, 1<<20)
- h := NewMultiHasher()
size, err := io.CopyBuffer(h, br, buf)
if err != nil {
log.Fatalln(err)
Description: *desc,
Size: uint64(size),
URLs: urls,
- Hashes: []meta4ra.Hash{
- {Type: meta4ra.HashSHA256, Hash: hex.EncodeToString(h.sha256h.Sum(nil))},
- {Type: meta4ra.HashSHA512, Hash: hex.EncodeToString(h.sha512h.Sum(nil))},
- {Type: meta4ra.HashStreebog256, Hash: hex.EncodeToString(h.streebog256h.Sum(nil))},
- {Type: meta4ra.HashStreebog512, Hash: hex.EncodeToString(h.streebog512h.Sum(nil))},
- },
+ Hashes: h.Sums(),
}
if *sig != "" {
sigData, err := os.ReadFile(*sig)