github.com/blend/go-sdk@v1.20220411.3/sh/password.go (about)

     1  /*
     2  
     3  Copyright (c) 2022 - Present. Blend Labs, Inc. All rights reserved
     4  Use of this source code is governed by a MIT license that can be found in the LICENSE file.
     5  
     6  */
     7  
     8  package sh
     9  
    10  import (
    11  	"fmt"
    12  	"os"
    13  	"syscall"
    14  
    15  	"golang.org/x/term"
    16  )
    17  
    18  // MustPassword gives a prompt and reads input until newlines without printing the input to screen.
    19  // The prompt is written to stdout with `fmt.Print` unchanged.
    20  // It panics on error.
    21  func MustPassword(prompt string) string {
    22  	output, err := Password(prompt)
    23  	if err != nil {
    24  		panic(err)
    25  	}
    26  	return output
    27  }
    28  
    29  // Password prints a prompt and reads input until newlines without printing the input to screen.
    30  // The prompt is written to stdout with `fmt.Print` unchanged.
    31  func Password(prompt string) (string, error) {
    32  	fmt.Fprint(os.Stdout, prompt)
    33  	results, err := term.ReadPassword(int(syscall.Stdin))
    34  	if err != nil {
    35  		return "", err
    36  	}
    37  	fmt.Fprintln(os.Stdout)
    38  	return string(results), nil
    39  }
    40  
    41  // Passwordf gives a prompt and reads input until newlines without printing the input to screen.
    42  // The prompt is written to stdout with `fmt.Printf` unchanged.
    43  func Passwordf(format string, args ...interface{}) (string, error) {
    44  	fmt.Fprintf(os.Stdout, format, args...)
    45  	results, err := term.ReadPassword(int(syscall.Stdin))
    46  	if err != nil {
    47  		return "", err
    48  	}
    49  	fmt.Fprintln(os.Stdout)
    50  	return string(results), nil
    51  }