100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
// Package cryptdecode provides the cryptdecode command.
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package cryptdecode
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import (
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"errors"
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"fmt"
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"github.com/rclone/rclone/backend/crypt"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/config/flags"
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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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cmdFlags := commandDefinition.Flags()
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flags.BoolVarP(cmdFlags, &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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Another way to accomplish this is by using the ` + "`rclone backend encode` (or `decode`)" + ` command.
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See the documentation on the [crypt](/crypt/) overlay for more info.
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`,
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Annotations: map[string]string{
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"versionIntroduced": "v1.38",
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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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cmd.Run(false, false, command, func() error {
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fsInfo, _, _, config, err := fs.ConfigFs(args[0])
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if err != nil {
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return err
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}
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if fsInfo.Name != "crypt" {
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return errors.New("the remote needs to be of type \"crypt\"")
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}
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cipher, err := crypt.NewCipher(config)
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if err != nil {
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return err
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}
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if Reverse {
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return cryptEncode(cipher, args[1:])
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}
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return cryptDecode(cipher, args[1:])
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})
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},
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}
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// cryptDecode returns the unencrypted file name
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func cryptDecode(cipher *crypt.Cipher, args []string) error {
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output := ""
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for _, encryptedFileName := range args {
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fileName, err := cipher.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.Print(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(cipher *crypt.Cipher, args []string) error {
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output := ""
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for _, fileName := range args {
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encryptedFileName := cipher.EncryptFileName(fileName)
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output += fmt.Sprintln(fileName, "\t", encryptedFileName)
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}
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fmt.Print(output)
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return nil
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}
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