mirror of
https://github.com/rclone/rclone.git
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11da2a6c9b
The purpose of this is to make it easier to maintain and eventually to allow the rclone backends to be re-used in other projects without having to use the rclone configuration system. The new code layout is documented in CONTRIBUTING.
107 lines
2.4 KiB
Go
107 lines
2.4 KiB
Go
package cryptdecode
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import (
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"fmt"
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"github.com/ncw/rclone/backend/crypt"
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"github.com/ncw/rclone/cmd"
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"github.com/ncw/rclone/fs"
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"github.com/ncw/rclone/fs/config/flags"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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// Options set by command line flags
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var (
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Reverse = false
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)
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func init() {
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cmd.Root.AddCommand(commandDefinition)
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flagSet := commandDefinition.Flags()
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flags.BoolVarP(flagSet, &Reverse, "reverse", "", Reverse, "Reverse cryptdecode, encrypts filenames")
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}
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var commandDefinition = &cobra.Command{
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Use: "cryptdecode encryptedremote: encryptedfilename",
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Short: `Cryptdecode returns unencrypted file names.`,
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Long: `
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rclone cryptdecode returns unencrypted file names when provided with
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a list of encrypted file names. List limit is 10 items.
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If you supply the --reverse flag, it will return encrypted file names.
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use it like this
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rclone cryptdecode encryptedremote: encryptedfilename1 encryptedfilename2
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rclone cryptdecode --reverse encryptedremote: filename1 filename2
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`,
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Run: func(command *cobra.Command, args []string) {
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cmd.CheckArgs(2, 11, command, args)
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fsrc := cmd.NewFsSrc(args)
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if Reverse {
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cmd.Run(false, false, command, func() error {
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return cryptEncode(fsrc, args[1:])
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})
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} else {
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cmd.Run(false, false, command, func() error {
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return cryptDecode(fsrc, args[1:])
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})
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}
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},
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}
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// Check if fsrc is a crypt
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func assertCryptFs(fsrc fs.Fs) (*crypt.Fs, error) {
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fcrypt, ok := fsrc.(*crypt.Fs)
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if !ok {
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return nil, errors.Errorf("%s:%s is not a crypt remote", fsrc.Name(), fsrc.Root())
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}
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return fcrypt, nil
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}
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// cryptDecode returns the unencrypted file name
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func cryptDecode(fsrc fs.Fs, args []string) error {
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fcrypt, err := assertCryptFs(fsrc)
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if err != nil {
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return err
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}
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output := ""
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for _, encryptedFileName := range args {
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fileName, err := fcrypt.DecryptFileName(encryptedFileName)
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if err != nil {
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output += fmt.Sprintln(encryptedFileName, "\t", "Failed to decrypt")
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} else {
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output += fmt.Sprintln(encryptedFileName, "\t", fileName)
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}
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}
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fmt.Printf(output)
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return nil
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}
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// cryptEncode returns the encrypted file name
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func cryptEncode(fsrc fs.Fs, args []string) error {
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fcrypt, err := assertCryptFs(fsrc)
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if err != nil {
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return err
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}
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output := ""
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for _, fileName := range args {
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encryptedFileName := fcrypt.EncryptFileName(fileName)
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output += fmt.Sprintln(fileName, "\t", encryptedFileName)
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}
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fmt.Printf(output)
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return nil
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}
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