Exemplo n.º 1
0
func main() {

	dat, err := ioutil.ReadFile(os.Args[0])
	check(err)

	// Calculate sums
	s256 := sha256.Sum256(dat)
	s512 := sha512.Sum512(dat)

	// Calculate multihash
	h, err := multihash.Encode(s256[:], multihash.SHA2_256)
	check(err)
	multiSha256 := b58.Encode(h)

	fmt.Println("Multihash256/58: ", len(multiSha256), string(multiSha256))

	// Base 58 encoding
	s256b58 := b58.Encode(s256[:])
	s512b58 := b58.Encode(s512[:])

	// Base 64 encoding
	enc := base64.RawURLEncoding

	s256b64 := enc.EncodeToString(s256[:])
	s512b64 := enc.EncodeToString(s512[:])

	fmt.Println("SHA256/base58  : ", len(s256b58), string(s256b58))
	fmt.Println("SHA256/base64  : ", len(s256b64), string(s256b64))
	fmt.Println("SHA512/base58  : ", len(s512b58), string(s512b58))
	fmt.Println("SHA512/base64  : ", len(s512b64), string(s512b64))
}
Exemplo n.º 2
0
func run() error {
	opts, err := parseOpts()
	if err != nil {
		return err
	}

	if opts.keygen {
		k, err := senc.RandomKey()
		if err != nil {
			return err
		}
		fmt.Println(b58.Encode(k))
		return nil
	}

	var r io.Reader
	switch {
	case opts.encrypt:
		r, err = senc.Encrypt(opts.key, os.Stdin)
	case opts.decrypt:
		r, err = senc.Decrypt(opts.key, os.Stdin)
	default:
		return fmt.Errorf("must choose either -e or -d")
	}
	if err != nil {
		return err
	}

	_, err = io.Copy(os.Stdout, r)
	return err
}
Exemplo n.º 3
0
// ConvertKey returns a B58 encoded Datastore key
// TODO: this is hacky because it encodes every path component. some
// path components may be proper strings already...
func (b58KeyConverter) ConvertKey(dsk ds.Key) ds.Key {
	k := ds.NewKey("/")
	for _, n := range dsk.Namespaces() {
		k = k.ChildString(b58.Encode([]byte(n)))
	}
	return k
}
Exemplo n.º 4
0
func Encode(encoding string, hash mh.Multihash) (string, error) {
	switch encoding {
	case "raw":
		return string(hash), nil
	case "hex":
		return hex.EncodeToString(hash), nil
	case "base58":
		return base58.Encode(hash), nil
	case "base64":
		return base64.StdEncoding.EncodeToString(hash), nil
	default:
		return "", fmt.Errorf("unknown encoding: %s", encoding)
	}
}
Exemplo n.º 5
0
func entryToLine(prefix string, e Entry) string {
	if e.Drop {
		return ""
	}

	path := e.Path
	if prefix != "" {
		path = filepath.Join(prefix, path)
		if strings.HasSuffix(e.Path, "/") {
			path = path + "/"
		}
	}

	if e.Uuid != "" || e.Device != 0 || e.Inode != 0 {
		return "-\n" +
			formatKeyVal("p", path) +
			formatKeyVal("h", base58.Encode(e.Hash)) +
			formatKeyVal("u", e.Uuid) +
			formatKeyVal("I", DeviceInodeString(e.Device, e.Inode)) +
			"\n"
	} else {
		return fmt.Sprintf("%s\t%s\n", base58.Encode(e.Hash), EncodePath(path))
	}
}
Exemplo n.º 6
0
func streamCipherReaderForKeyGenerator(kg KeyDataGenerator, r io.ReadCloser) (stream io.ReadCloser, key string, err error) {

	keyData := make([]byte, 1+keyTypeDefaultLen)
	keyData[0] = keyTypeDefault
	r2, err := kg.GenerateKeyData(r, keyData[1:])
	if err != nil {
		r.Close()
		return nil, "", err
	}

	// Ignore error below, we control arguments and pass valid sizes
	stream, _ = streamCipherReaderForKeyData(keyData[0], keyData[1:], r2)

	key = base58.Encode(keyData)
	return stream, key, nil
}
Exemplo n.º 7
0
func (ks *keyset) generate() error {
	var err error
	ks.sk, ks.pk, err = tu.RandTestKeyPair(512)
	if err != nil {
		return err
	}

	bpk, err := ks.pk.Bytes()
	if err != nil {
		return err
	}

	ks.hpk = string(u.Hash(bpk))
	ks.hpkp = b58.Encode([]byte(ks.hpk))
	return nil
}
Exemplo n.º 8
0
// GenIdentity creates a random keypair and returns the associated
// peerID and private key encoded to match config values
func GenIdentity() (string, string, error) {
	k, pub, err := crypto.GenerateKeyPairWithReader(crypto.RSA, 512, u.NewTimeSeededRand())
	if err != nil {
		return "", "", err
	}

	b, err := k.Bytes()
	if err != nil {
		return "", "", err
	}

	privkey := b64.StdEncoding.EncodeToString(b)

	pubkeyb, err := pub.Bytes()
	if err != nil {
		return "", "", err
	}

	id := b58.Encode(u.Hash(pubkeyb))
	return id, privkey, nil
}
Exemplo n.º 9
0
func TestListenAnyDialAnyUnix(t *testing.T) {
	assert := assert.New(t)

	bytes := make([]byte, 8)
	_, err := rand.Read(bytes)
	assert.Nil(err)

	ipc_file := "/tmp/" + b58.Encode(bytes)
	ipc := "unix://" + ipc_file
	results := make(chan error, 1)
	listener, err := listenAny(ipc, tls.Config{})
	assert.Nil(err)
	go func() {
		_, lerr := listener.Accept()
		results <- lerr
	}()
	_, err = dialAny(ipc, tls.Config{})

	assert.Nil(<-results)
	err = os.Remove(ipc_file)
	assert.Nil(err)
}
Exemplo n.º 10
0
// Return a conflict filename to use. Return the empty string if the conflict
// file already exists for the same hash.
func FindConflictFileName(path string, digest []byte) string {
	hashname := base58.Encode(digest)
	hashext := ""
	if len(hashname) != 0 {
		hashext = "." + hashname
	}
	ext := filepath.Ext(path)
	dstname := fmt.Sprintf("%s%s%s", path, hashext, ext)
	i := 0
	for {
		info, err := os.Lstat(dstname)
		if os.IsNotExist(err) {
			return dstname
		}
		hash, err := GetHash(dstname, info, false)
		if err == nil && bytes.Equal(hash, digest) {
			return ""
		}
		dstname = fmt.Sprintf("%s%s.%d%s", path, hashext, i, ext)
		i++
	}
}
Exemplo n.º 11
0
func (ks *keyset) load(hpkp, skBytesStr string) error {
	skBytes, err := base64.StdEncoding.DecodeString(skBytesStr)
	if err != nil {
		return err
	}

	ks.sk, err = ic.UnmarshalPrivateKey(skBytes)
	if err != nil {
		return err
	}

	ks.pk = ks.sk.GetPublic()
	bpk, err := ks.pk.Bytes()
	if err != nil {
		return err
	}

	ks.hpk = string(u.Hash(bpk))
	ks.hpkp = b58.Encode([]byte(ks.hpk))
	if ks.hpkp != hpkp {
		return fmt.Errorf("hpkp doesn't match key. %s", hpkp)
	}
	return nil
}
Exemplo n.º 12
0
Arquivo: dupes.go Projeto: mildred/doc
func mainDupes(args []string) int {
	f := flag.NewFlagSet("dupes", flag.ExitOnError)
	opt_show_links := f.Bool("l", false, "Show group of files that share the same inode")
	opt_progress := f.Bool("p", false, "Show progress")
	opt_hash := f.Bool("c", false, "Check real hash in case the file is updated")
	opt_dedup := f.Bool("d", false, "Deduplicate files (make links)")
	f.Usage = func() {
		fmt.Print(dupesUsage)
		f.PrintDefaults()
	}
	f.Parse(args)
	srcs := f.Args()

	if len(srcs) == 0 {
		srcs = append(srcs, ".")
	}

	dupes := map[string]sameFile{}

	num := 0
	errors := 0

	for _, src := range srcs {
		e := repo.Walk(src, func(path string, info os.FileInfo) error {
			// Skip symlinks
			if info.Mode()&os.ModeSymlink != 0 {
				return nil
			}

			hash, err := repo.GetHash(path, info, *opt_hash)
			if err != nil {
				return err
			}
			if hash == nil {
				return nil
			}

			sys, ok := info.Sys().(*syscall.Stat_t)
			if !ok {
				sys.Ino = 0
			}

			f := dupes[string(hash)]
			f.hash = hash
			f.paths = append(f.paths, path)
			f.inodes = append(f.inodes, sys.Ino)
			f.devices = append(f.devices, sys.Dev)
			dupes[string(hash)] = f

			num = num + 1
			if *opt_progress {
				fmt.Printf("\r\x1b[2K%d %s\r", num, path)
			}

			return nil
		}, func(path string, info os.FileInfo, err error) bool {
			fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
			return true
		})
		errors = errors + len(e)
	}

	for _, f := range dupes {
		if len(f.paths) <= 1 {
			continue
		}
		files := map[uint64][]string{}
		for i, ino := range f.inodes {
			files[ino] = append(files[ino], f.paths[i])
		}
		if len(files) == 1 && !*opt_show_links {
			continue
		}
		fmt.Println()
		hash := base58.Encode(f.hash)
		for _, paths := range files {
			for _, path := range paths {
				fmt.Printf("%s\t%d\t%s\n", hash, len(paths), path)
			}
		}
		if len(files) > 1 && *opt_dedup {
			err := deduplicate(f)
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s", err.Error())
				errors = errors + 1
			}
		}
	}

	if errors > 0 {
		return 1
	}
	return 0
}
Exemplo n.º 13
0
// MarshalJSON returns a JSON-encoded Key (string)
func (k *Key) MarshalJSON() ([]byte, error) {
	return json.Marshal(b58.Encode([]byte(*k)))
}
Exemplo n.º 14
0
// B58KeyEncode returns Key in a b58 encoded string
func B58KeyEncode(k Key) string {
	return b58.Encode([]byte(k))
}
Exemplo n.º 15
0
func (e *Entry) HashText() string {
	return base58.Encode(e.Hash)
}
Exemplo n.º 16
0
Arquivo: check.go Projeto: mildred/doc
func mainCheck(args []string) int {
	f := flag.NewFlagSet("status", flag.ExitOnError)
	opt_all := f.Bool("a", false, "Check all files, including modified")
	f.Usage = func() {
		fmt.Print(checkUsage)
		f.PrintDefaults()
	}
	f.Parse(args)
	dir := f.Arg(0)
	if dir == "" {
		dir = "."
	}

	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return err
		}

		// Skip .dirstore/ at root
		if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
			return filepath.SkipDir
		} else if info.IsDir() {
			return nil
		}

		hashTimeStr, err := attrs.Get(path, repo.XattrHashTime)
		if err != nil {
			return nil
		}

		hashTime, err := time.Parse(time.RFC3339Nano, string(hashTimeStr))
		if err != nil {
			return err
		}

		timeEqual := hashTime == info.ModTime()
		if *opt_all || timeEqual {

			hash, err := attrs.Get(path, repo.XattrHash)
			if err != nil {
				return err
			}

			digest, err := repo.HashFile(path, info)
			if err != nil {
				return err
			}

			hashEqual := bytes.Equal(hash, digest)

			if !timeEqual && !hashEqual {
				fmt.Printf("+\t%s\t%s\n", base58.Encode(digest), path)
			} else if !hashEqual {
				fmt.Printf("!\t%s\t%s\n", base58.Encode(digest), path)
			} else if !timeEqual {
				fmt.Printf("=\t%s\t%s", base58.Encode(digest), path)
			}
		}

		return nil
	})

	if err != nil {
		fmt.Fprintf(os.Stderr, "%v", err)
		return 1
	}
	return 0
}
Exemplo n.º 17
0
Arquivo: par2.go Projeto: mildred/doc
func (r *Par2Repo) HashFile(digest []byte) string {
	return filepath.Join(r.repoPath, base58.Encode(digest))
}
Exemplo n.º 18
0
// IDB58Encode returns b58-encoded string
func IDB58Encode(id ID) string {
	return b58.Encode([]byte(id))
}
Exemplo n.º 19
0
Arquivo: info.go Projeto: mildred/doc
func mainInfo(args []string) int {
	f := flag.NewFlagSet("info", flag.ExitOnError)
	opt_check := f.Bool("c", false, "Run integrity check")
	f.Usage = func() {
		fmt.Print(infoUsage)
		f.PrintDefaults()
	}
	f.Parse(args)
	dir := f.Arg(0)
	if dir == "" {
		dir = "."
	}

	rep := repo.GetRepo(dir)

	status := 0
	first := true

	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
			status = 1
			return err
		}

		// Skip .dirstore/ at root
		if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
			return filepath.SkipDir
		} else if !info.Mode().IsRegular() {
			return nil
		}

		if first {
			first = false
		} else {
			fmt.Println()
		}

		fmt.Printf("File: %s\n", path)

		if conflict := repo.ConflictFile(path); conflict != "" {
			fmt.Printf("Conflict With: %s\n", conflict)
		}

		for _, alt := range repo.ConflictFileAlternatives(path) {
			fmt.Printf("Conflict Alternatives: %s\n", alt)
		}

		var realHash mh.Multihash
		if *opt_check {
			realHash, err = repo.HashFile(path, info)
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
				return nil
			}
		}

		hashTime, err := repo.GetHashTime(path)

		if repo.IsNoData(err) {
			if *opt_check {
				fmt.Printf("Actual Hash: %s\n", base58.Encode(realHash))
			}
			fmt.Printf("Status: New\n")
		} else {
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
				return nil
			}

			fmt.Printf("Hash Time: %v\n", hashTime.Format(time.RFC3339Nano))

			hash, err := attrs.Get(path, repo.XattrHash)
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
				return nil
			}
			var par2exists = false
			if rep != nil {
				par2exists, _ = rep.Par2Exists(hash)
			}
			fmt.Printf("Recorded Hash: %s (reduncency %s)\n", base58.Encode(hash), boolToAvailableStr(par2exists))
			if *opt_check {
				par2exists = false
				if rep != nil {
					par2exists, _ = rep.Par2Exists(realHash)
				}
				fmt.Printf("Actual Hash:   %s (redundency %s)\n", base58.Encode(realHash), boolToAvailableStr(par2exists))
			}

			if hashTime != info.ModTime() {
				fmt.Printf("Status: Dirty\n")
			} else {
				if *opt_check && !bytes.Equal(realHash, hash) {
					fmt.Printf("Status: Corrupted\n")
				} else {
					fmt.Printf("Status: Clean\n")
				}
			}
		}

		return nil
	})

	if err != nil {
		fmt.Fprintf(os.Stderr, "%v", err)
		os.Exit(1)
	}
	return status
}
Exemplo n.º 20
0
func mainStatus(args []string) int {
	f := flag.NewFlagSet("status", flag.ExitOnError)
	opt_no_par2 := f.Bool("n", false, "Do not show files missing PAR2 redundency data")
	opt_show_only_hash := f.Bool("c", false, "Show only unchanged committed files with their hash")
	opt_no_docignore := f.Bool("no-docignore", false, "Don't treat .docignore files specially")
	f.Usage = func() {
		fmt.Print(usageStatus)
		f.PrintDefaults()
	}
	f.Parse(args)
	dir := f.Arg(0)
	if dir == "" {
		dir = "."
	}

	rep := repo.GetRepo(dir)

	status := 0

	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
			status = 1
			return err
		}

		// Skip directories containing an empty .docignore file
		if !*opt_no_docignore && ignore.IsIgnored(path) {
			return filepath.SkipDir
		}

		// Skip .dirstore/ at root
		if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
			return filepath.SkipDir
		} else if !info.Mode().IsRegular() {
			return nil
		}

		if *opt_show_only_hash {
			hash, err := repo.GetHash(path, info, false)
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
				return nil
			}

			if hash != nil {
				fmt.Printf("%s\t%s\n", base58.Encode(hash), path)
			}

		} else {

			var conflict string = ""
			if repo.ConflictFile(path) != "" {
				conflict = " c"
			} else if len(repo.ConflictFileAlternatives(path)) > 0 {
				conflict = " C"
			}

			hashTime, err := repo.GetHashTime(path)
			if repo.IsNoData(err) {
				if info.Mode()&os.FileMode(0200) == 0 {
					fmt.Printf("?%s (ro)\t%s\n", conflict, path)
				} else {
					fmt.Printf("?%s\t%s\n", conflict, path)
				}
				return nil
			} else if err != nil {
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
				return nil
			}

			var redundency string = "*"
			if rep != nil {
				digest, err := repo.GetHash(path, info, true)
				if err != nil {
					fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
					return nil
				}
				if par2exists, _ := rep.Par2Exists(digest); par2exists {
					redundency = ""
				}
			}

			if hashTime != info.ModTime() {
				fmt.Printf("+%s%s\t%s\n", conflict, redundency, path)
			} else if conflict != "" || (redundency != "" && !*opt_no_par2) {
				fmt.Printf("%s%s\t%s\n", conflict, redundency, path)
			}
		}

		return nil
	})

	if err != nil {
		fmt.Fprintf(os.Stderr, "%v", err)
		os.Exit(1)
	}
	return status
}
Exemplo n.º 21
0
Arquivo: save.go Projeto: mildred/doc
func mainSave(args []string) int {
	f := flag.NewFlagSet("save", flag.ExitOnError)
	opt_force := f.Bool("force", false, "Force writing xattrs on read only files")
	opt_nodocignore := f.Bool("no-docignore", false, "Don't respect .docignore")
	f.Usage = func() {
		fmt.Print(saveUsage)
		f.PrintDefaults()
	}
	f.Parse(args)
	dir := f.Arg(0)
	if dir == "" {
		dir = "."
	}

	dirstore := repo.GetRepo(dir)
	if dirstore == nil {
		fmt.Fprintf(os.Stderr, "%s: Could not find repository, please run doc init\n", dir)
		os.Exit(1)
	}

	status := 0

	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
			status = 1
			return err
		}

		if !*opt_nodocignore && ignore.IsIgnored(path) {
			return filepath.SkipDir
		}

		// Skip .dirstore/ at root
		if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
			return filepath.SkipDir
		} else if info.IsDir() || !info.Mode().IsRegular() {
			return nil
		}

		hashTime, err := repo.GetHashTime(path)
		if err != nil && !repo.IsNoData(err) {
			fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
			return nil
		}

		var digest []byte

		if err != nil || hashTime != info.ModTime() {
			digest, err = commitFile(path, info, *opt_force)
			if err != nil {
				status = 1
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
			} else if digest != nil {
				fmt.Printf("%s %s\n", base58.Encode(digest), path)
			}
		} else {
			digest, err = attrs.Get(path, repo.XattrHash)
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
				return nil
			}
		}

		err = dirstore.Create(path, digest)
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
			return nil
		}

		return nil
	})

	if err != nil {
		fmt.Fprintf(os.Stderr, "%v", err)
		os.Exit(1)
	}

	return status
}