126 lines
4.0 KiB
Go
126 lines
4.0 KiB
Go
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package s3crypto
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import (
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"bytes"
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/awstesting/unit"
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"github.com/aws/aws-sdk-go/service/kms"
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)
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func TestBuildKMSEncryptHandler(t *testing.T) {
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svc := kms.New(unit.Session)
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handler := NewKMSKeyGenerator(svc, "testid")
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if handler == nil {
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t.Error("expected non-nil handler")
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}
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}
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func TestBuildKMSEncryptHandlerWithMatDesc(t *testing.T) {
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svc := kms.New(unit.Session)
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handler := NewKMSKeyGeneratorWithMatDesc(svc, "testid", MaterialDescription{
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"Testing": aws.String("123"),
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})
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if handler == nil {
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t.Error("expected non-nil handler")
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}
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kmsHandler := handler.(*kmsKeyHandler)
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expected := MaterialDescription{
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"kms_cmk_id": aws.String("testid"),
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"Testing": aws.String("123"),
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}
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if !reflect.DeepEqual(expected, kmsHandler.CipherData.MaterialDescription) {
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t.Errorf("expected %v, but received %v", expected, kmsHandler.CipherData.MaterialDescription)
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}
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}
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func TestKMSGenerateCipherData(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, `{"CiphertextBlob":"AQEDAHhqBCCY1MSimw8gOGcUma79cn4ANvTtQyv9iuBdbcEF1QAAAH4wfAYJKoZIhvcNAQcGoG8wbQIBADBoBgkqhkiG9w0BBwEwHgYJYIZIAWUDBAEuMBEEDJ6IcN5E4wVbk38MNAIBEIA7oF1E3lS7FY9DkoxPc/UmJsEwHzL82zMqoLwXIvi8LQHr8If4Lv6zKqY8u0+JRgSVoqCvZDx3p8Cn6nM=","KeyId":"arn:aws:kms:us-west-2:042062605278:key/c80a5cdb-8d09-4f9f-89ee-df01b2e3870a","Plaintext":"6tmyz9JLBE2yIuU7iXpArqpDVle172WSmxjcO6GNT7E="}`)
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}))
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sess := unit.Session.Copy(&aws.Config{
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MaxRetries: aws.Int(0),
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Endpoint: aws.String(ts.URL),
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DisableSSL: aws.Bool(true),
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S3ForcePathStyle: aws.Bool(true),
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Region: aws.String("us-west-2"),
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})
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svc := kms.New(sess)
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handler := NewKMSKeyGenerator(svc, "testid")
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keySize := 32
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ivSize := 16
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cd, err := handler.GenerateCipherData(keySize, ivSize)
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if err != nil {
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t.Errorf("expected no error, but received %v", err)
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}
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if keySize != len(cd.Key) {
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t.Errorf("expected %d, but received %d", keySize, len(cd.Key))
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}
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if ivSize != len(cd.IV) {
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t.Errorf("expected %d, but received %d", ivSize, len(cd.IV))
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}
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}
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func TestKMSDecrypt(t *testing.T) {
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key, _ := hex.DecodeString("31bdadd96698c204aa9ce1448ea94ae1fb4a9a0b3c9d773b51bb1822666b8f22")
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keyB64 := base64.URLEncoding.EncodeToString(key)
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, fmt.Sprintf("%s%s%s", `{"KeyId":"test-key-id","Plaintext":"`, keyB64, `"}`))
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}))
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sess := unit.Session.Copy(&aws.Config{
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MaxRetries: aws.Int(0),
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Endpoint: aws.String(ts.URL),
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DisableSSL: aws.Bool(true),
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S3ForcePathStyle: aws.Bool(true),
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Region: aws.String("us-west-2"),
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})
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handler, err := (kmsKeyHandler{kms: kms.New(sess)}).decryptHandler(Envelope{MatDesc: `{"kms_cmk_id":"test"}`})
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if err != nil {
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t.Errorf("expected no error, but received %v", err)
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}
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plaintextKey, err := handler.DecryptKey([]byte{1, 2, 3, 4})
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if err != nil {
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t.Errorf("expected no error, but received %v", err)
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}
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if !bytes.Equal(key, plaintextKey) {
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t.Errorf("expected %v, but received %v", key, plaintextKey)
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}
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}
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func TestKMSDecryptBadJSON(t *testing.T) {
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key, _ := hex.DecodeString("31bdadd96698c204aa9ce1448ea94ae1fb4a9a0b3c9d773b51bb1822666b8f22")
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keyB64 := base64.URLEncoding.EncodeToString(key)
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, fmt.Sprintf("%s%s%s", `{"KeyId":"test-key-id","Plaintext":"`, keyB64, `"}`))
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}))
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sess := unit.Session.Copy(&aws.Config{
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MaxRetries: aws.Int(0),
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Endpoint: aws.String(ts.URL),
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DisableSSL: aws.Bool(true),
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S3ForcePathStyle: aws.Bool(true),
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Region: aws.String("us-west-2"),
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})
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_, err := (kmsKeyHandler{kms: kms.New(sess)}).decryptHandler(Envelope{MatDesc: `{"kms_cmk_id":"test"`})
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if err == nil {
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t.Errorf("expected error, but received none")
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}
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}
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