open-vault/builtin/logical/transit/backend_test.go

133 lines
3.3 KiB
Go

package transit
import (
"encoding/base64"
"fmt"
"testing"
"github.com/hashicorp/vault/logical"
logicaltest "github.com/hashicorp/vault/logical/testing"
"github.com/mitchellh/mapstructure"
)
const (
testPlaintext = "the quick brown fox"
)
func TestBackend_basic(t *testing.T) {
decryptData := make(map[string]interface{})
logicaltest.Test(t, logicaltest.TestCase{
Backend: Backend(),
Steps: []logicaltest.TestStep{
testAccStepWritePolicy(t, "test"),
testAccStepReadPolicy(t, "test", false),
testAccStepEncrypt(t, "test", testPlaintext, decryptData),
testAccStepDecrypt(t, "test", testPlaintext, decryptData),
testAccStepDeletePolicy(t, "test"),
testAccStepReadPolicy(t, "test", true),
},
})
}
func testAccStepWritePolicy(t *testing.T, name string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.WriteOperation,
Path: "keys/" + name,
}
}
func testAccStepDeletePolicy(t *testing.T, name string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.DeleteOperation,
Path: "keys/" + name,
}
}
func testAccStepReadPolicy(t *testing.T, name string, expectNone bool) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.ReadOperation,
Path: "keys/" + name,
Check: func(resp *logical.Response) error {
if resp == nil && !expectNone {
return fmt.Errorf("missing response")
} else if expectNone {
if resp != nil {
return fmt.Errorf("response when expecting none")
}
return nil
}
var d struct {
Name string `mapstructure:"name"`
Key []byte `mapstructure:"key"`
CipherMode string `mapstructure:"cipher_mode"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
if d.Name != name {
return fmt.Errorf("bad: %#v", d)
}
if d.CipherMode != "aes-gcm" {
return fmt.Errorf("bad: %#v", d)
}
if len(d.Key) != 32 {
return fmt.Errorf("bad: %#v", d)
}
return nil
},
}
}
func testAccStepEncrypt(
t *testing.T, name, plaintext string, decryptData map[string]interface{}) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.WriteOperation,
Path: "encrypt/" + name,
Data: map[string]interface{}{
"plaintext": base64.StdEncoding.EncodeToString([]byte(plaintext)),
},
Check: func(resp *logical.Response) error {
var d struct {
Ciphertext string `mapstructure:"ciphertext"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
if d.Ciphertext == "" {
return fmt.Errorf("missing ciphertext")
}
decryptData["ciphertext"] = d.Ciphertext
return nil
},
}
}
func testAccStepDecrypt(
t *testing.T, name, plaintext string, decryptData map[string]interface{}) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.WriteOperation,
Path: "decrypt/" + name,
Data: decryptData,
Check: func(resp *logical.Response) error {
var d struct {
Plaintext string `mapstructure:"plaintext"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
// Decode the base64
plainRaw, err := base64.StdEncoding.DecodeString(d.Plaintext)
if err != nil {
return err
}
if string(plainRaw) != plaintext {
return fmt.Errorf("plaintext mismatch: %s expect: %s", plainRaw, plaintext)
}
return nil
},
}
}