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Allow multiple retries for interactive password input

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Restic used to quit if the repository password was typed incorrectly once.
Restic will now ask the user again for the repository password if typed incorrectly.
The user will now get three tries to input the correct password before restic quits.
This commit is contained in:
Gary Kim
2019-06-12 18:40:05 +08:00
parent 5bd5db4294
commit fea2464d4d
3 changed files with 32 additions and 7 deletions
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30
cmd/restic/global.go
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@@ -319,7 +319,7 @@ func ReadPassword(opts GlobalOptions, prompt string) (string, error) {
}
if len(password) == 0 {
return "", errors.Fatal("an empty password is not a password")
return "", errors.New("an empty password is not a password")
}
return password, nil
@@ -365,14 +365,32 @@ func OpenRepository(opts GlobalOptions) (*repository.Repository, error) {
s := repository.New(be)
opts.password, err = ReadPassword(opts, "enter password for repository: ")
if err != nil {
return nil, err
passwordTriesLeft := 1
if stdinIsTerminal() && opts.password == "" {
passwordTriesLeft = 3
}
err = s.SearchKey(opts.ctx, opts.password, maxKeys, opts.KeyHint)
for ; passwordTriesLeft > 0; passwordTriesLeft-- {
opts.password, err = ReadPassword(opts, "enter password for repository: ")
if err != nil && passwordTriesLeft > 1 {
opts.password = ""
fmt.Printf("%s. Try again\n", err)
}
if err != nil {
continue
}
err = s.SearchKey(opts.ctx, opts.password, maxKeys, opts.KeyHint)
if err != nil && passwordTriesLeft > 1 {
opts.password = ""
fmt.Printf("%s. Try again\n", err)
}
}
if err != nil {
return nil, err
if errors.IsFatal(err) {
return nil, err
}
return nil, errors.Fatalf("%s", err)
}
if stdoutIsTerminal() && !opts.JSON {