1 // 2 // Copyright (c) SAS Institute Inc. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 package passprompt 18 19 import ( 20 "io" 21 "os" 22 23 "github.com/howeyc/gopass" 24 ) 25 26 // Interface for some means of getting a password from the user (or another source) 27 type PasswordGetter interface { 28 // Print the given prompt and retrieve a password. May return io.EOF if the 29 // user cancels the prompt. 30 GetPasswd(prompt string) (string, error) 31 } 32 33 // A default password getter using stdin/stderr 34 type PasswordPrompt struct{} 35 36 func (PasswordPrompt) GetPasswd(prompt string) (string, error) { 37 passwd, err := gopass.GetPasswdPrompt(prompt, true, os.Stdin, os.Stderr) 38 if err == io.EOF { 39 return "", nil 40 } else if err != nil { 41 return "", err 42 } else { 43 return string(passwd), nil 44 } 45 } 46