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	This commit refactors the SSE implementation and add
S3-compatible SSE-KMS context handling.
SSE-KMS differs from SSE-S3 in two main aspects:
 1. The client can request a particular key and
    specify a KMS context as part of the request.
 2. The ETag of an SSE-KMS encrypted object is not
    the MD5 sum of the object content.
This commit only focuses on the 1st aspect.
A client can send an optional SSE context when using
SSE-KMS. This context is remembered by the S3 server
such that the client does not have to specify the
context again (during multipart PUT / GET / HEAD ...).
The crypto. context also includes the bucket/object
name to prevent renaming objects at the backend.
Now, AWS S3 behaves as following:
 - If the user does not provide a SSE-KMS context
   it does not store one - resp. does not include
   the SSE-KMS context header in the response (e.g. HEAD).
 - If the user specifies a SSE-KMS context without
   the bucket/object name then AWS stores the exact
   context the client provided but adds the bucket/object
   name internally. The response contains the KMS context
   without the bucket/object name.
 - If the user specifies a SSE-KMS context with
   the bucket/object name then AWS again stores the exact
   context provided by the client. The response contains
   the KMS context with the bucket/object name.
This commit implements this behavior w.r.t. SSE-KMS.
However, as of now, no such object can be created since
the server rejects SSE-KMS encryption requests.
This commit is one stepping stone for SSE-KMS support.
Co-authored-by: Harshavardhana <harsha@minio.io>
		
	
			
		
			
				
	
	
		
			458 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			458 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // MinIO Cloud Storage, (C) 2015, 2016, 2017, 2018 MinIO, Inc.
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| //    http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package crypto
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| 
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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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| 	"testing"
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| 
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| 	"github.com/minio/minio/cmd/logger"
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| )
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| 
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| var isMultipartTests = []struct {
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| 	Metadata  map[string]string
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| 	Multipart bool
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| }{
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| 	{Multipart: true, Metadata: map[string]string{MetaMultipart: ""}},                          // 0
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| 	{Multipart: true, Metadata: map[string]string{"X-Minio-Internal-Encrypted-Multipart": ""}}, // 1
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| 	{Multipart: true, Metadata: map[string]string{MetaMultipart: "some-value"}},                // 2
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| 	{Multipart: false, Metadata: map[string]string{"": ""}},                                    // 3
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| 	{Multipart: false, Metadata: map[string]string{"X-Minio-Internal-EncryptedMultipart": ""}}, // 4
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| }
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| 
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| func TestIsMultipart(t *testing.T) {
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| 	for i, test := range isMultipartTests {
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| 		if isMultipart := IsMultiPart(test.Metadata); isMultipart != test.Multipart {
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| 			t.Errorf("Test %d: got '%v' - want '%v'", i, isMultipart, test.Multipart)
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| 		}
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| 	}
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| }
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| 
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| var isEncryptedTests = []struct {
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| 	Metadata  map[string]string
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| 	Encrypted bool
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| }{
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| 	{Encrypted: true, Metadata: map[string]string{MetaMultipart: ""}},                              // 0
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| 	{Encrypted: true, Metadata: map[string]string{MetaIV: ""}},                                     // 1
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| 	{Encrypted: true, Metadata: map[string]string{MetaAlgorithm: ""}},                              // 2
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| 	{Encrypted: true, Metadata: map[string]string{MetaSealedKeySSEC: ""}},                          // 3
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| 	{Encrypted: true, Metadata: map[string]string{MetaSealedKeyS3: ""}},                            // 4
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| 	{Encrypted: true, Metadata: map[string]string{MetaKeyID: ""}},                                  // 5
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| 	{Encrypted: true, Metadata: map[string]string{MetaDataEncryptionKey: ""}},                      // 6
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| 	{Encrypted: false, Metadata: map[string]string{"": ""}},                                        // 7
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| 	{Encrypted: false, Metadata: map[string]string{"X-Minio-Internal-Server-Side-Encryption": ""}}, // 8
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| }
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| 
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| func TestIsEncrypted(t *testing.T) {
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| 	for i, test := range isEncryptedTests {
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| 		if _, isEncrypted := IsEncrypted(test.Metadata); isEncrypted != test.Encrypted {
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| 			t.Errorf("Test %d: got '%v' - want '%v'", i, isEncrypted, test.Encrypted)
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| 		}
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| 	}
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| }
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| 
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| var s3IsEncryptedTests = []struct {
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| 	Metadata  map[string]string
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| 	Encrypted bool
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| }{
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| 	{Encrypted: false, Metadata: map[string]string{MetaMultipart: ""}},                             // 0
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| 	{Encrypted: false, Metadata: map[string]string{MetaIV: ""}},                                    // 1
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| 	{Encrypted: false, Metadata: map[string]string{MetaAlgorithm: ""}},                             // 2
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| 	{Encrypted: false, Metadata: map[string]string{MetaSealedKeySSEC: ""}},                         // 3
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| 	{Encrypted: true, Metadata: map[string]string{MetaSealedKeyS3: ""}},                            // 4
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| 	{Encrypted: false, Metadata: map[string]string{MetaKeyID: ""}},                                 // 5
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| 	{Encrypted: false, Metadata: map[string]string{MetaDataEncryptionKey: ""}},                     // 6
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| 	{Encrypted: false, Metadata: map[string]string{"": ""}},                                        // 7
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| 	{Encrypted: false, Metadata: map[string]string{"X-Minio-Internal-Server-Side-Encryption": ""}}, // 8
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| }
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| 
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| func TestS3IsEncrypted(t *testing.T) {
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| 	for i, test := range s3IsEncryptedTests {
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| 		if isEncrypted := S3.IsEncrypted(test.Metadata); isEncrypted != test.Encrypted {
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| 			t.Errorf("Test %d: got '%v' - want '%v'", i, isEncrypted, test.Encrypted)
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| 		}
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| 	}
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| }
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| 
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| var ssecIsEncryptedTests = []struct {
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| 	Metadata  map[string]string
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| 	Encrypted bool
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| }{
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| 	{Encrypted: false, Metadata: map[string]string{MetaMultipart: ""}},                             // 0
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| 	{Encrypted: false, Metadata: map[string]string{MetaIV: ""}},                                    // 1
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| 	{Encrypted: false, Metadata: map[string]string{MetaAlgorithm: ""}},                             // 2
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| 	{Encrypted: true, Metadata: map[string]string{MetaSealedKeySSEC: ""}},                          // 3
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| 	{Encrypted: false, Metadata: map[string]string{MetaSealedKeyS3: ""}},                           // 4
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| 	{Encrypted: false, Metadata: map[string]string{MetaKeyID: ""}},                                 // 5
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| 	{Encrypted: false, Metadata: map[string]string{MetaDataEncryptionKey: ""}},                     // 6
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| 	{Encrypted: false, Metadata: map[string]string{"": ""}},                                        // 7
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| 	{Encrypted: false, Metadata: map[string]string{"X-Minio-Internal-Server-Side-Encryption": ""}}, // 8
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| }
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| 
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| func TestSSECIsEncrypted(t *testing.T) {
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| 	for i, test := range ssecIsEncryptedTests {
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| 		if isEncrypted := SSEC.IsEncrypted(test.Metadata); isEncrypted != test.Encrypted {
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| 			t.Errorf("Test %d: got '%v' - want '%v'", i, isEncrypted, test.Encrypted)
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| 		}
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| 	}
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| }
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| 
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| var s3ParseMetadataTests = []struct {
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| 	Metadata    map[string]string
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| 	ExpectedErr error
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| 
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| 	DataKey   []byte
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| 	KeyID     string
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| 	SealedKey SealedKey
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| }{
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| 	{ExpectedErr: errMissingInternalIV, Metadata: map[string]string{}, DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{}}, // 0
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| 	{
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| 		ExpectedErr: errMissingInternalSealAlgorithm, Metadata: map[string]string{MetaIV: ""},
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| 		DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 1
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| 	{
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| 		ExpectedErr: Errorf("The object metadata is missing the internal sealed key for SSE-S3"),
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| 		Metadata:    map[string]string{MetaIV: "", MetaAlgorithm: ""}, DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 2
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| 	{
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| 		ExpectedErr: Errorf("The object metadata is missing the internal KMS key-ID for SSE-S3"),
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| 		Metadata:    map[string]string{MetaIV: "", MetaAlgorithm: "", MetaSealedKeyS3: "", MetaDataEncryptionKey: "IAAF0b=="}, DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 3
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| 	{
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| 		ExpectedErr: Errorf("The object metadata is missing the internal sealed KMS data key for SSE-S3"),
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| 		Metadata:    map[string]string{MetaIV: "", MetaAlgorithm: "", MetaSealedKeyS3: "", MetaKeyID: ""},
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| 		DataKey:     []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 4
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| 	{
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| 		ExpectedErr: errInvalidInternalIV,
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| 		Metadata:    map[string]string{MetaIV: "", MetaAlgorithm: "", MetaSealedKeyS3: "", MetaKeyID: "", MetaDataEncryptionKey: ""},
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| 		DataKey:     []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 5
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| 	{
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| 		ExpectedErr: errInvalidInternalSealAlgorithm,
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: "", MetaSealedKeyS3: "", MetaKeyID: "", MetaDataEncryptionKey: "",
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| 		},
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| 		DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 6
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| 	{
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| 		ExpectedErr: Errorf("The internal sealed key for SSE-S3 is invalid"),
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: SealAlgorithm, MetaSealedKeyS3: "",
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| 			MetaKeyID: "", MetaDataEncryptionKey: "",
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| 		},
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| 		DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{},
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| 	}, // 7
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| 	{
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| 		ExpectedErr: Errorf("The internal sealed KMS data key for SSE-S3 is invalid"),
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: SealAlgorithm,
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| 			MetaSealedKeyS3: base64.StdEncoding.EncodeToString(make([]byte, 64)), MetaKeyID: "key-1",
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| 			MetaDataEncryptionKey: ".MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ=", // invalid base64
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| 		},
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| 		DataKey: []byte{}, KeyID: "key-1", SealedKey: SealedKey{},
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| 	}, // 8
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| 	{
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| 		ExpectedErr: nil,
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: SealAlgorithm,
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| 			MetaSealedKeyS3: base64.StdEncoding.EncodeToString(make([]byte, 64)), MetaKeyID: "", MetaDataEncryptionKey: "",
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| 		},
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| 		DataKey: []byte{}, KeyID: "", SealedKey: SealedKey{Algorithm: SealAlgorithm},
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| 	}, // 9
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| 	{
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| 		ExpectedErr: nil,
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(append([]byte{1}, make([]byte, 31)...)), MetaAlgorithm: SealAlgorithm,
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| 			MetaSealedKeyS3: base64.StdEncoding.EncodeToString(append([]byte{1}, make([]byte, 63)...)), MetaKeyID: "key-1",
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| 			MetaDataEncryptionKey: base64.StdEncoding.EncodeToString(make([]byte, 48)),
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| 		},
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| 		DataKey: make([]byte, 48), KeyID: "key-1", SealedKey: SealedKey{Algorithm: SealAlgorithm, Key: [64]byte{1}, IV: [32]byte{1}},
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| 	}, // 10
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| }
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| 
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| func TestS3ParseMetadata(t *testing.T) {
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| 	for i, test := range s3ParseMetadataTests {
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| 		keyID, dataKey, sealedKey, err := S3.ParseMetadata(test.Metadata)
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| 		if err != nil && test.ExpectedErr == nil {
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| 			t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
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| 		}
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| 		if err == nil && test.ExpectedErr != nil {
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| 			t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
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| 		}
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| 		if err != nil && test.ExpectedErr != nil {
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| 			if err.Error() != test.ExpectedErr.Error() {
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| 				t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
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| 			}
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| 		}
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| 		if !bytes.Equal(dataKey, test.DataKey) {
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| 			t.Errorf("Test %d: got data key '%v' - want data key '%v'", i, dataKey, test.DataKey)
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| 		}
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| 		if keyID != test.KeyID {
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| 			t.Errorf("Test %d: got key-ID '%v' - want key-ID '%v'", i, keyID, test.KeyID)
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| 		}
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| 		if sealedKey.Algorithm != test.SealedKey.Algorithm {
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| 			t.Errorf("Test %d: got sealed key algorithm '%v' - want sealed key algorithm '%v'", i, sealedKey.Algorithm, test.SealedKey.Algorithm)
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| 		}
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| 		if !bytes.Equal(sealedKey.Key[:], test.SealedKey.Key[:]) {
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| 			t.Errorf("Test %d: got sealed key '%v' - want sealed key '%v'", i, sealedKey.Key, test.SealedKey.Key)
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| 		}
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| 		if !bytes.Equal(sealedKey.IV[:], test.SealedKey.IV[:]) {
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| 			t.Errorf("Test %d: got sealed key IV '%v' - want sealed key IV '%v'", i, sealedKey.IV, test.SealedKey.IV)
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| 		}
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| 	}
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| }
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| 
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| var ssecParseMetadataTests = []struct {
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| 	Metadata    map[string]string
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| 	ExpectedErr error
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| 
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| 	SealedKey SealedKey
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| }{
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| 	{ExpectedErr: errMissingInternalIV, Metadata: map[string]string{}, SealedKey: SealedKey{}},                      // 0
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| 	{ExpectedErr: errMissingInternalSealAlgorithm, Metadata: map[string]string{MetaIV: ""}, SealedKey: SealedKey{}}, // 1
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| 	{
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| 		ExpectedErr: Errorf("The object metadata is missing the internal sealed key for SSE-C"),
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| 		Metadata:    map[string]string{MetaIV: "", MetaAlgorithm: ""}, SealedKey: SealedKey{},
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| 	}, // 2
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| 	{
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| 		ExpectedErr: errInvalidInternalIV,
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| 		Metadata:    map[string]string{MetaIV: "", MetaAlgorithm: "", MetaSealedKeySSEC: ""}, SealedKey: SealedKey{},
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| 	}, // 3
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| 	{
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| 		ExpectedErr: errInvalidInternalSealAlgorithm,
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: "", MetaSealedKeySSEC: "",
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| 		},
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| 		SealedKey: SealedKey{},
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| 	}, // 4
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| 	{
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| 		ExpectedErr: Errorf("The internal sealed key for SSE-C is invalid"),
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: SealAlgorithm, MetaSealedKeySSEC: "",
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| 		},
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| 		SealedKey: SealedKey{},
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| 	}, // 5
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| 	{
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| 		ExpectedErr: nil,
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(make([]byte, 32)), MetaAlgorithm: SealAlgorithm,
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| 			MetaSealedKeySSEC: base64.StdEncoding.EncodeToString(make([]byte, 64)),
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| 		},
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| 		SealedKey: SealedKey{Algorithm: SealAlgorithm},
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| 	}, // 6
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| 	{
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| 		ExpectedErr: nil,
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| 		Metadata: map[string]string{
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| 			MetaIV: base64.StdEncoding.EncodeToString(append([]byte{1}, make([]byte, 31)...)), MetaAlgorithm: InsecureSealAlgorithm,
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| 			MetaSealedKeySSEC: base64.StdEncoding.EncodeToString(append([]byte{1}, make([]byte, 63)...)),
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| 		},
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| 		SealedKey: SealedKey{Algorithm: InsecureSealAlgorithm, Key: [64]byte{1}, IV: [32]byte{1}},
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| 	}, // 7
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| }
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| 
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| func TestCreateMultipartMetadata(t *testing.T) {
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| 	metadata := CreateMultipartMetadata(nil)
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| 	if v, ok := metadata[MetaMultipart]; !ok || v != "" {
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| 		t.Errorf("Metadata is missing the correct value for '%s': got '%s' - want '%s'", MetaMultipart, v, "")
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| 	}
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| }
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| 
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| func TestSSECParseMetadata(t *testing.T) {
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| 	for i, test := range ssecParseMetadataTests {
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| 		sealedKey, err := SSEC.ParseMetadata(test.Metadata)
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| 		if err != nil && test.ExpectedErr == nil {
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| 			t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
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| 		}
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| 		if err == nil && test.ExpectedErr != nil {
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| 			t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
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| 		}
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| 		if err != nil && test.ExpectedErr != nil {
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| 			if err.Error() != test.ExpectedErr.Error() {
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| 				t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
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| 			}
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| 		}
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| 		if sealedKey.Algorithm != test.SealedKey.Algorithm {
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| 			t.Errorf("Test %d: got sealed key algorithm '%v' - want sealed key algorithm '%v'", i, sealedKey.Algorithm, test.SealedKey.Algorithm)
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| 		}
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| 		if !bytes.Equal(sealedKey.Key[:], test.SealedKey.Key[:]) {
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| 			t.Errorf("Test %d: got sealed key '%v' - want sealed key '%v'", i, sealedKey.Key, test.SealedKey.Key)
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| 		}
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| 		if !bytes.Equal(sealedKey.IV[:], test.SealedKey.IV[:]) {
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| 			t.Errorf("Test %d: got sealed key IV '%v' - want sealed key IV '%v'", i, sealedKey.IV, test.SealedKey.IV)
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| 		}
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| 	}
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| }
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| 
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| var s3CreateMetadataTests = []struct {
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| 	KeyID         string
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| 	SealedDataKey []byte
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| 	SealedKey     SealedKey
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| }{
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| 
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| 	{KeyID: "", SealedDataKey: nil, SealedKey: SealedKey{Algorithm: SealAlgorithm}},
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| 	{KeyID: "my-minio-key", SealedDataKey: make([]byte, 48), SealedKey: SealedKey{Algorithm: SealAlgorithm}},
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| 	{KeyID: "cafebabe", SealedDataKey: make([]byte, 48), SealedKey: SealedKey{Algorithm: SealAlgorithm}},
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| 	{KeyID: "deadbeef", SealedDataKey: make([]byte, 32), SealedKey: SealedKey{IV: [32]byte{0xf7}, Key: [64]byte{0xea}, Algorithm: SealAlgorithm}},
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| }
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| 
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| func TestS3CreateMetadata(t *testing.T) {
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| 	defer func(disableLog bool) { logger.Disable = disableLog }(logger.Disable)
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| 	logger.Disable = true
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| 	for i, test := range s3CreateMetadataTests {
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| 		metadata := S3.CreateMetadata(nil, test.KeyID, test.SealedDataKey, test.SealedKey)
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| 		keyID, kmsKey, sealedKey, err := S3.ParseMetadata(metadata)
 | |
| 		if err != nil {
 | |
| 			t.Errorf("Test %d: failed to parse metadata: %v", i, err)
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| 			continue
 | |
| 		}
 | |
| 		if keyID != test.KeyID {
 | |
| 			t.Errorf("Test %d: Key-ID mismatch: got '%s' - want '%s'", i, keyID, test.KeyID)
 | |
| 		}
 | |
| 		if !bytes.Equal(kmsKey, test.SealedDataKey) {
 | |
| 			t.Errorf("Test %d: sealed KMS data mismatch: got '%v' - want '%v'", i, kmsKey, test.SealedDataKey)
 | |
| 		}
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| 		if sealedKey.Algorithm != test.SealedKey.Algorithm {
 | |
| 			t.Errorf("Test %d: seal algorithm mismatch: got '%s' - want '%s'", i, sealedKey.Algorithm, test.SealedKey.Algorithm)
 | |
| 		}
 | |
| 		if !bytes.Equal(sealedKey.IV[:], test.SealedKey.IV[:]) {
 | |
| 			t.Errorf("Test %d: IV mismatch: got '%v' - want '%v'", i, sealedKey.IV, test.SealedKey.IV)
 | |
| 		}
 | |
| 		if !bytes.Equal(sealedKey.Key[:], test.SealedKey.Key[:]) {
 | |
| 			t.Errorf("Test %d: sealed key mismatch: got '%v' - want '%v'", i, sealedKey.Key, test.SealedKey.Key)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	defer func() {
 | |
| 		if err := recover(); err == nil || err != logger.ErrCritical {
 | |
| 			t.Errorf("Expected '%s' panic for invalid seal algorithm but got '%s'", logger.ErrCritical, err)
 | |
| 		}
 | |
| 	}()
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| 	_ = S3.CreateMetadata(nil, "", []byte{}, SealedKey{Algorithm: InsecureSealAlgorithm})
 | |
| }
 | |
| 
 | |
| var ssecCreateMetadataTests = []struct {
 | |
| 	KeyID         string
 | |
| 	SealedDataKey []byte
 | |
| 	SealedKey     SealedKey
 | |
| }{
 | |
| 	{KeyID: "", SealedDataKey: make([]byte, 48), SealedKey: SealedKey{Algorithm: SealAlgorithm}},
 | |
| 	{KeyID: "cafebabe", SealedDataKey: make([]byte, 48), SealedKey: SealedKey{Algorithm: SealAlgorithm}},
 | |
| 	{KeyID: "deadbeef", SealedDataKey: make([]byte, 32), SealedKey: SealedKey{IV: [32]byte{0xf7}, Key: [64]byte{0xea}, Algorithm: SealAlgorithm}},
 | |
| }
 | |
| 
 | |
| func TestSSECCreateMetadata(t *testing.T) {
 | |
| 	defer func(disableLog bool) { logger.Disable = disableLog }(logger.Disable)
 | |
| 	logger.Disable = true
 | |
| 	for i, test := range ssecCreateMetadataTests {
 | |
| 		metadata := SSEC.CreateMetadata(nil, test.SealedKey)
 | |
| 		sealedKey, err := SSEC.ParseMetadata(metadata)
 | |
| 		if err != nil {
 | |
| 			t.Errorf("Test %d: failed to parse metadata: %v", i, err)
 | |
| 			continue
 | |
| 		}
 | |
| 		if sealedKey.Algorithm != test.SealedKey.Algorithm {
 | |
| 			t.Errorf("Test %d: seal algorithm mismatch: got '%s' - want '%s'", i, sealedKey.Algorithm, test.SealedKey.Algorithm)
 | |
| 		}
 | |
| 		if !bytes.Equal(sealedKey.IV[:], test.SealedKey.IV[:]) {
 | |
| 			t.Errorf("Test %d: IV mismatch: got '%v' - want '%v'", i, sealedKey.IV, test.SealedKey.IV)
 | |
| 		}
 | |
| 		if !bytes.Equal(sealedKey.Key[:], test.SealedKey.Key[:]) {
 | |
| 			t.Errorf("Test %d: sealed key mismatch: got '%v' - want '%v'", i, sealedKey.Key, test.SealedKey.Key)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	defer func() {
 | |
| 		if err := recover(); err == nil || err != logger.ErrCritical {
 | |
| 			t.Errorf("Expected '%s' panic for invalid seal algorithm but got '%s'", logger.ErrCritical, err)
 | |
| 		}
 | |
| 	}()
 | |
| 	_ = SSEC.CreateMetadata(nil, SealedKey{Algorithm: InsecureSealAlgorithm})
 | |
| }
 | |
| 
 | |
| var isETagSealedTests = []struct {
 | |
| 	ETag     string
 | |
| 	IsSealed bool
 | |
| }{
 | |
| 	{ETag: "", IsSealed: false},                                  // 0
 | |
| 	{ETag: "90682b8e8cc7609c4671e1d64c73fc30", IsSealed: false},  // 1
 | |
| 	{ETag: "f201040c9dc593e39ea004dc1323699bcd", IsSealed: true}, // 2 not valid ciphertext but looks like sealed ETag
 | |
| 	{ETag: "20000f00fba2ee2ae4845f725964eeb9e092edfabc7ab9f9239e8344341f769a51ce99b4801b0699b92b16a72fa94972", IsSealed: true}, // 3
 | |
| }
 | |
| 
 | |
| func TestIsETagSealed(t *testing.T) {
 | |
| 	for i, test := range isETagSealedTests {
 | |
| 		etag, err := hex.DecodeString(test.ETag)
 | |
| 		if err != nil {
 | |
| 			t.Errorf("Test %d: failed to decode etag: %s", i, err)
 | |
| 		}
 | |
| 		if sealed := IsETagSealed(etag); sealed != test.IsSealed {
 | |
| 			t.Errorf("Test %d: got %v - want %v", i, sealed, test.IsSealed)
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| var removeInternalEntriesTests = []struct {
 | |
| 	Metadata, Expected map[string]string
 | |
| }{
 | |
| 	{ // 0
 | |
| 		Metadata: map[string]string{
 | |
| 			MetaMultipart:         "",
 | |
| 			MetaIV:                "",
 | |
| 			MetaAlgorithm:         "",
 | |
| 			MetaSealedKeySSEC:     "",
 | |
| 			MetaSealedKeyS3:       "",
 | |
| 			MetaKeyID:             "",
 | |
| 			MetaDataEncryptionKey: "",
 | |
| 		},
 | |
| 		Expected: map[string]string{},
 | |
| 	},
 | |
| 	{ // 1
 | |
| 		Metadata: map[string]string{
 | |
| 			MetaMultipart:        "",
 | |
| 			MetaIV:               "",
 | |
| 			"X-Amz-Meta-A":       "X",
 | |
| 			"X-Minio-Internal-B": "Y",
 | |
| 		},
 | |
| 		Expected: map[string]string{
 | |
| 			"X-Amz-Meta-A":       "X",
 | |
| 			"X-Minio-Internal-B": "Y",
 | |
| 		},
 | |
| 	},
 | |
| }
 | |
| 
 | |
| func TestRemoveInternalEntries(t *testing.T) {
 | |
| 	isEqual := func(x, y map[string]string) bool {
 | |
| 		if len(x) != len(y) {
 | |
| 			return false
 | |
| 		}
 | |
| 		for k, v := range x {
 | |
| 			if u, ok := y[k]; !ok || v != u {
 | |
| 				return false
 | |
| 			}
 | |
| 		}
 | |
| 		return true
 | |
| 	}
 | |
| 
 | |
| 	for i, test := range removeInternalEntriesTests {
 | |
| 		RemoveInternalEntries(test.Metadata)
 | |
| 		if !isEqual(test.Metadata, test.Expected) {
 | |
| 			t.Errorf("Test %d: got %v - want %v", i, test.Metadata, test.Expected)
 | |
| 		}
 | |
| 	}
 | |
| }
 |