50 lines
824 B
Go
50 lines
824 B
Go
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package util
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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"syscall"
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"golang.org/x/term"
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)
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type Prompter struct {
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scanner *bufio.Scanner
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}
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func NewPrompter(scanner *bufio.Scanner) *Prompter {
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return &Prompter{scanner}
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}
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func (p Prompter) Prompt(prompt string) (string, error) {
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printPrompt(prompt)
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if p.scanner.Scan() {
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return strings.TrimSpace(p.scanner.Text()), nil
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}
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if err := p.scanner.Err(); err != nil {
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return "", err
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}
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return "", fmt.Errorf("%s must not be empty", prompt)
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}
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func PromptForPassword(prompt string) (string, error) {
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printPrompt(prompt)
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password, err := term.ReadPassword(int(syscall.Stdin))
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fmt.Fprintln(os.Stderr)
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if err != nil {
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return "", err
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}
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return strings.TrimSpace(string(password)), nil
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}
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func printPrompt(prompt string) {
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fmt.Fprint(os.Stderr, prompt, ": ")
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}
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