meta4-check workability again

[meta4ra.git] / cmd / meta4-create / main.go

diff --git a/cmd/meta4-create/main.go b/cmd/meta4-create/main.go
index d9486fdb6b59415e5013d372272bc35666ad6e06..f5d8b5ca4c98858ea3bc6812806534c944c34ec4 100644 (file)
--- a/cmd/meta4-create/main.go
+++ b/cmd/meta4-create/main.go
@@ -1,6 +1,6 @@
 /*
 meta4a -- Metalink 4.0 creator
-Copyright (C) 2021-2022 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2021-2023 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -20,62 +20,51 @@ package main
 
 import (
        "bufio"
-       "crypto/sha256"
-       "crypto/sha512"
-       "encoding/hex"
        "encoding/xml"
        "flag"
        "io"
-       "io/ioutil"
        "log"
        "os"
-       "path/filepath"
+       "path"
+       "strings"
        "time"
 
        "go.stargrave.org/meta4ra"
 )
 
 func main() {
-       file := flag.String("file", "", "Path to file")
+       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()
+       if *fn == "" {
+               log.Fatalln("empty -fn")
+       }
        urls := make([]meta4ra.URL, 0, len(flag.Args()))
        for _, u := range flag.Args() {
                urls = append(urls, meta4ra.URL{URL: u})
        }
-       fd, err := os.Open(*file)
-       if err != nil {
-               log.Fatalln(err)
-       }
-       fi, err := fd.Stat()
-       if err != nil {
-               log.Fatalln(err)
-       }
-       sha256Hasher := sha256.New()
-       sha512Hasher := sha512.New()
-       _, err = io.Copy(
-               io.MultiWriter(sha256Hasher, sha512Hasher),
-               bufio.NewReader(fd),
-       )
+       h := meta4ra.NewHasher(*hashes)
+       h.Start()
+       br := bufio.NewReaderSize(os.Stdin, 1<<20)
+       buf := make([]byte, 1<<20)
+       size, err := io.CopyBuffer(h, br, buf)
        if err != nil {
                log.Fatalln(err)
        }
        f := meta4ra.File{
-               Name:        filepath.Base(*file),
+               Name:        path.Base(*fn),
                Description: *desc,
-               Size:        uint64(fi.Size()),
+               Size:        uint64(size),
                URLs:        urls,
-               Hashes: []meta4ra.Hash{
-                       {Type: meta4ra.HashSHA256, Hash: hex.EncodeToString(sha256Hasher.Sum(nil))},
-                       {Type: meta4ra.HashSHA512, Hash: hex.EncodeToString(sha512Hasher.Sum(nil))},
-               },
+               Hashes:      h.Sums(),
        }
        if *sig != "" {
-               sigData, err := ioutil.ReadFile(*sig)
+               sigData, err := os.ReadFile(*sig)
                if err != nil {
                        log.Fatalln(err)
                }