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console_password.go
36 lines (29 loc) · 1.04 KB
/
console_password.go
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// Copyright 2016-2018, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !windows
package cmdutil
import (
"fmt"
"syscall"
"golang.org/x/crypto/ssh/terminal"
)
// ReadConsoleNoEcho reads from the console without echoing. This is useful for reading passwords.
func ReadConsoleNoEcho(prompt string) (string, error) {
if prompt != "" {
fmt.Print(prompt + ": ")
}
b, err := terminal.ReadPassword(syscall.Stdin)
fmt.Println() // echo a newline, since the user's keypress did not generate one
return string(b), err
}