rclone/cmd/cryptdecode/cryptdecode.go
2017-09-24 20:02:59 +01:00

59 lines
1.4 KiB
Go

package cryptdecode
import (
"fmt"
"github.com/ncw/rclone/cmd"
"github.com/ncw/rclone/crypt"
"github.com/ncw/rclone/fs"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
func init() {
cmd.Root.AddCommand(commandDefinition)
}
var commandDefinition = &cobra.Command{
Use: "cryptdecode encryptedremote: encryptedfilename",
Short: `Cryptdecode returns unencrypted file names.`,
Long: `
rclone cryptdecode returns unencrypted file names when provided with
a list of encrypted file names. List limit is 10 items.
use it like this
rclone cryptdecode encryptedremote: encryptedfilename1 encryptedfilename2
`,
Run: func(command *cobra.Command, args []string) {
cmd.CheckArgs(2, 11, command, args)
fsrc := cmd.NewFsSrc(args)
cmd.Run(false, false, command, func() error {
return cryptDecode(fsrc, args[1:])
})
},
}
// cryptDecode returns the unencrypted file name
func cryptDecode(fsrc fs.Fs, args []string) error {
// Check if fsrc is a crypt
fcrypt, ok := fsrc.(*crypt.Fs)
if !ok {
return errors.Errorf("%s:%s is not a crypt remote", fsrc.Name(), fsrc.Root())
}
output := ""
for _, encryptedFileName := range args {
fileName, err := fcrypt.DecryptFileName(encryptedFileName)
if err != nil {
output += fmt.Sprintln(encryptedFileName, "\t", "Failed to decrypt")
} else {
output += fmt.Sprintln(encryptedFileName, "\t", fileName)
}
}
fmt.Printf(output)
return nil
}