pulumi/pkg/resource/config/value.go

116 lines
1.9 KiB
Go

// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
package config
import (
"encoding/json"
"errors"
"github.com/pulumi/pulumi/pkg/util/contract"
)
type Value struct {
value string
secure bool
}
func (c Value) Value(decrypter ValueDecrypter) (string, error) {
contract.Require(decrypter != nil, "decrypter")
if !c.secure {
return c.value, nil
}
return decrypter.DecryptValue(c.value)
}
func (c Value) Secure() bool {
return c.secure
}
func (c *Value) UnmarshalYAML(unmarshal func(interface{}) error) error {
var m map[string]string
err := unmarshal(&m)
if err == nil {
if len(m) != 1 {
return errors.New("malformed secure data")
}
val, has := m["secure"]
if !has {
return errors.New("malformed secure data")
}
c.value = val
c.secure = true
return nil
}
c.secure = false
return unmarshal(&c.value)
}
func (c Value) MarshalYAML() (interface{}, error) {
if !c.secure {
return c.value, nil
}
m := make(map[string]string)
m["secure"] = c.value
return m, nil
}
func (c *Value) UnmarshalJSON(b []byte) error {
var m map[string]string
err := json.Unmarshal(b, &m)
if err == nil {
if len(m) != 1 {
return errors.New("malformed secure data")
}
val, has := m["secure"]
if !has {
return errors.New("malformed secure data")
}
c.value = val
c.secure = true
return nil
}
return json.Unmarshal(b, &c.value)
}
func (c Value) MarshalJSON() ([]byte, error) {
if !c.secure {
return json.Marshal(c.value)
}
m := make(map[string]string)
m["secure"] = c.value
return json.Marshal(m)
}
func NewSecureValue(v string) Value {
return Value{value: v, secure: true}
}
func NewValue(v string) Value {
return Value{value: v, secure: false}
}
type ValueDecrypter interface {
DecryptValue(cypertext string) (string, error)
}
type ValueEncrypter interface {
EncryptValue(plaintext string) (string, error)
}
type ValueEncrypterDecrypter interface {
ValueEncrypter
ValueDecrypter
}