forked from TrueCloudLab/frostfs-s3-gw
619 lines
18 KiB
Go
619 lines
18 KiB
Go
/*
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* MinIO Cloud Storage, (C) 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 cmd
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import (
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"bytes"
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"encoding/base64"
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"net/http"
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"testing"
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humanize "github.com/dustin/go-humanize"
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"github.com/minio/minio-go/v6/pkg/encrypt"
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"github.com/minio/minio/cmd/crypto"
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"github.com/minio/sio"
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)
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var encryptRequestTests = []struct {
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header map[string]string
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metadata map[string]string
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}{
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{
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header: map[string]string{
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crypto.SSECAlgorithm: "AES256",
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crypto.SSECKey: "XAm0dRrJsEsyPb1UuFNezv1bl9hxuYsgUVC/MUctE2k=",
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crypto.SSECKeyMD5: "bY4wkxQejw9mUJfo72k53A==",
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},
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metadata: map[string]string{},
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},
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{
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header: map[string]string{
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crypto.SSECAlgorithm: "AES256",
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crypto.SSECKey: "XAm0dRrJsEsyPb1UuFNezv1bl9hxuYsgUVC/MUctE2k=",
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crypto.SSECKeyMD5: "bY4wkxQejw9mUJfo72k53A==",
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},
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metadata: map[string]string{
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crypto.SSECKey: "XAm0dRrJsEsyPb1UuFNezv1bl9hxuYsgUVC/MUctE2k=",
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},
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},
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}
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func TestEncryptRequest(t *testing.T) {
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defer func(flag bool) { globalIsSSL = flag }(globalIsSSL)
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globalIsSSL = true
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for i, test := range encryptRequestTests {
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content := bytes.NewReader(make([]byte, 64))
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req := &http.Request{Header: http.Header{}}
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for k, v := range test.header {
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req.Header.Set(k, v)
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}
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_, _, err := EncryptRequest(content, req, "bucket", "object", test.metadata)
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if err != nil {
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t.Fatalf("Test %d: Failed to encrypt request: %v", i, err)
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}
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if kdf, ok := test.metadata[crypto.SSESealAlgorithm]; !ok {
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t.Errorf("Test %d: ServerSideEncryptionKDF must be part of metadata: %v", i, kdf)
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}
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if iv, ok := test.metadata[crypto.SSEIV]; !ok {
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t.Errorf("Test %d: crypto.SSEIV must be part of metadata: %v", i, iv)
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}
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if mac, ok := test.metadata[crypto.SSECSealedKey]; !ok {
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t.Errorf("Test %d: ServerSideEncryptionKeyMAC must be part of metadata: %v", i, mac)
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}
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}
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}
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var decryptObjectInfoTests = []struct {
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info ObjectInfo
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headers http.Header
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expErr error
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}{
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{
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info: ObjectInfo{Size: 100},
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headers: http.Header{},
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expErr: nil,
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},
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{
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info: ObjectInfo{Size: 100, UserDefined: map[string]string{crypto.SSESealAlgorithm: crypto.InsecureSealAlgorithm}},
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headers: http.Header{crypto.SSECAlgorithm: []string{crypto.SSEAlgorithmAES256}},
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expErr: nil,
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},
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{
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info: ObjectInfo{Size: 0, UserDefined: map[string]string{crypto.SSESealAlgorithm: crypto.InsecureSealAlgorithm}},
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headers: http.Header{crypto.SSECAlgorithm: []string{crypto.SSEAlgorithmAES256}},
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expErr: nil,
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},
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{
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info: ObjectInfo{Size: 100, UserDefined: map[string]string{crypto.SSECSealedKey: "EAAfAAAAAAD7v1hQq3PFRUHsItalxmrJqrOq6FwnbXNarxOOpb8jTWONPPKyM3Gfjkjyj6NCf+aB/VpHCLCTBA=="}},
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headers: http.Header{},
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expErr: errEncryptedObject,
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},
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{
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info: ObjectInfo{Size: 100, UserDefined: map[string]string{}},
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headers: http.Header{crypto.SSECAlgorithm: []string{crypto.SSEAlgorithmAES256}},
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expErr: errInvalidEncryptionParameters,
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},
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{
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info: ObjectInfo{Size: 31, UserDefined: map[string]string{crypto.SSESealAlgorithm: crypto.InsecureSealAlgorithm}},
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headers: http.Header{crypto.SSECAlgorithm: []string{crypto.SSEAlgorithmAES256}},
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expErr: errObjectTampered,
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},
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}
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func TestDecryptObjectInfo(t *testing.T) {
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for i, test := range decryptObjectInfoTests {
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if encrypted, err := DecryptObjectInfo(&test.info, test.headers); err != test.expErr {
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t.Errorf("Test %d: Decryption returned wrong error code: got %d , want %d", i, err, test.expErr)
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} else if enc := crypto.IsEncrypted(test.info.UserDefined); encrypted && enc != encrypted {
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t.Errorf("Test %d: Decryption thinks object is encrypted but it is not", i)
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} else if !encrypted && enc != encrypted {
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t.Errorf("Test %d: Decryption thinks object is not encrypted but it is", i)
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}
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}
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}
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var decryptETagTests = []struct {
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ObjectKey crypto.ObjectKey
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ObjectInfo ObjectInfo
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ShouldFail bool
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ETag string
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}{
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "20000f00f27834c9a2654927546df57f9e998187496394d4ee80f3d9978f85f3c7d81f72600cdbe03d80dc5a13d69354"},
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ETag: "8ad3fe6b84bf38489e95c701c84355b6",
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},
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "20000f00f27834c9a2654927546df57f9e998187496394d4ee80f3d9978f85f3c7d81f72600cdbe03d80dc5a13d6935"},
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ETag: "",
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ShouldFail: true, // ETag is not a valid hex value
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},
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "00000f00f27834c9a2654927546df57f9e998187496394d4ee80f3d9978f85f3c7d81f72600cdbe03d80dc5a13d69354"},
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ETag: "",
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ShouldFail: true, // modified ETag
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},
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// Special tests for ETags that end with a '-x'
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "916516b396f0f4d4f2a0e7177557bec4-1"},
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ETag: "916516b396f0f4d4f2a0e7177557bec4-1",
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},
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "916516b396f0f4d4f2a0e7177557bec4-738"},
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ETag: "916516b396f0f4d4f2a0e7177557bec4-738",
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},
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "916516b396f0f4d4f2a0e7177557bec4-Q"},
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ETag: "",
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ShouldFail: true, // Q is not a number
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},
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "16516b396f0f4d4f2a0e7177557bec4-1"},
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ETag: "",
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ShouldFail: true, // ETag prefix is not a valid hex value
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},
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{
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ObjectKey: [32]byte{},
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ObjectInfo: ObjectInfo{ETag: "16516b396f0f4d4f2a0e7177557bec4-1-2"},
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ETag: "",
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ShouldFail: true, // ETag contains multiple: -
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},
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}
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func TestDecryptETag(t *testing.T) {
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for i, test := range decryptETagTests {
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etag, err := DecryptETag(test.ObjectKey, test.ObjectInfo)
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if err != nil && !test.ShouldFail {
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t.Fatalf("Test %d: should succeed but failed: %v", i, err)
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}
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if err == nil && test.ShouldFail {
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t.Fatalf("Test %d: should fail but succeeded", i)
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}
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if err == nil {
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if etag != test.ETag {
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t.Fatalf("Test %d: ETag mismatch: got %s - want %s", i, etag, test.ETag)
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}
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}
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}
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}
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// Tests for issue reproduced when getting the right encrypted
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// offset of the object.
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func TestGetDecryptedRange_Issue50(t *testing.T) {
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rs, err := parseRequestRangeSpec("bytes=594870256-594870263")
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if err != nil {
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t.Fatal(err)
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}
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objInfo := ObjectInfo{
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Bucket: "bucket",
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Name: "object",
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Size: 595160760,
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UserDefined: map[string]string{
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crypto.SSEMultipart: "",
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crypto.SSEIV: "HTexa=",
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crypto.SSESealAlgorithm: "DAREv2-HMAC-SHA256",
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crypto.SSECSealedKey: "IAA8PGAA==",
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ReservedMetadataPrefix + "actual-size": "594870264",
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"content-type": "application/octet-stream",
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"etag": "166b1545b4c1535294ee0686678bea8c-2",
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},
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Parts: []ObjectPartInfo{
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{
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Number: 1,
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Size: 297580380,
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ActualSize: 297435132,
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},
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{
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Number: 2,
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Size: 297580380,
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ActualSize: 297435132,
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},
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},
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}
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encOff, encLength, skipLen, seqNumber, partStart, err := objInfo.GetDecryptedRange(rs)
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if err != nil {
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t.Fatalf("Test: failed %s", err)
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}
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if encOff != 595127964 {
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t.Fatalf("Test: expected %d, got %d", 595127964, encOff)
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}
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if encLength != 32796 {
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t.Fatalf("Test: expected %d, got %d", 32796, encLength)
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}
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if skipLen != 32756 {
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t.Fatalf("Test: expected %d, got %d", 32756, skipLen)
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}
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if seqNumber != 4538 {
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t.Fatalf("Test: expected %d, got %d", 4538, seqNumber)
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}
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if partStart != 1 {
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t.Fatalf("Test: expected %d, got %d", 1, partStart)
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}
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}
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func TestGetDecryptedRange(t *testing.T) {
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var (
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pkgSz = int64(64) * humanize.KiByte
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minPartSz = int64(5) * humanize.MiByte
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maxPartSz = int64(5) * humanize.GiByte
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getEncSize = func(s int64) int64 {
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v, _ := sio.EncryptedSize(uint64(s))
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return int64(v)
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}
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udMap = func(isMulti bool) map[string]string {
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m := map[string]string{
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crypto.SSESealAlgorithm: crypto.InsecureSealAlgorithm,
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crypto.SSEMultipart: "1",
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}
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if !isMulti {
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delete(m, crypto.SSEMultipart)
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}
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return m
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}
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)
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// Single part object tests
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var (
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mkSPObj = func(s int64) ObjectInfo {
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return ObjectInfo{
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Size: getEncSize(s),
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UserDefined: udMap(false),
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}
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}
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)
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testSP := []struct {
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decSz int64
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oi ObjectInfo
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}{
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{0, mkSPObj(0)},
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{1, mkSPObj(1)},
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{pkgSz - 1, mkSPObj(pkgSz - 1)},
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{pkgSz, mkSPObj(pkgSz)},
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{2*pkgSz - 1, mkSPObj(2*pkgSz - 1)},
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{minPartSz, mkSPObj(minPartSz)},
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{maxPartSz, mkSPObj(maxPartSz)},
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}
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for i, test := range testSP {
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{
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// nil range
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o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(nil)
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if err != nil {
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t.Errorf("Case %d: unexpected err: %v", i, err)
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}
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if skip != 0 || sn != 0 || ps != 0 || o != 0 || l != getEncSize(test.decSz) {
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t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
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}
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}
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if test.decSz >= 10 {
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// first 10 bytes
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o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(&HTTPRangeSpec{false, 0, 9})
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if err != nil {
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t.Errorf("Case %d: unexpected err: %v", i, err)
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}
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var rLen = pkgSz + 32
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if test.decSz < pkgSz {
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rLen = test.decSz + 32
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}
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if skip != 0 || sn != 0 || ps != 0 || o != 0 || l != rLen {
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t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
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}
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}
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kb32 := int64(32) * humanize.KiByte
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if test.decSz >= (64+32)*humanize.KiByte {
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// Skip the first 32Kib, and read the next 64Kib
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o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(&HTTPRangeSpec{false, kb32, 3*kb32 - 1})
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if err != nil {
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t.Errorf("Case %d: unexpected err: %v", i, err)
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}
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var rLen = (pkgSz + 32) * 2
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if test.decSz < 2*pkgSz {
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rLen = (pkgSz + 32) + (test.decSz - pkgSz + 32)
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}
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if skip != kb32 || sn != 0 || ps != 0 || o != 0 || l != rLen {
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t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
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}
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}
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if test.decSz >= (64*2+32)*humanize.KiByte {
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// Skip the first 96Kib and read the next 64Kib
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o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(&HTTPRangeSpec{false, 3 * kb32, 5*kb32 - 1})
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if err != nil {
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t.Errorf("Case %d: unexpected err: %v", i, err)
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}
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var rLen = (pkgSz + 32) * 2
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if test.decSz-pkgSz < 2*pkgSz {
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rLen = (pkgSz + 32) + (test.decSz - pkgSz + 32*2)
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}
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if skip != kb32 || sn != 1 || ps != 0 || o != pkgSz+32 || l != rLen {
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t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
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}
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}
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}
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// Multipart object tests
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var (
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// make a multipart object-info given part sizes
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mkMPObj = func(sizes []int64) ObjectInfo {
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r := make([]ObjectPartInfo, len(sizes))
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sum := int64(0)
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for i, s := range sizes {
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r[i].Number = i
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r[i].Size = int64(getEncSize(s))
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sum += r[i].Size
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}
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return ObjectInfo{
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Size: sum,
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UserDefined: udMap(true),
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Parts: r,
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}
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}
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// Simple useful utilities
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repeat = func(k int64, n int) []int64 {
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a := []int64{}
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for i := 0; i < n; i++ {
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a = append(a, k)
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}
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return a
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}
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lsum = func(s []int64) int64 {
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sum := int64(0)
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for _, i := range s {
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if i < 0 {
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return -1
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}
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sum += i
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}
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return sum
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}
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esum = func(oi ObjectInfo) int64 {
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sum := int64(0)
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for _, i := range oi.Parts {
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sum += i.Size
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}
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return sum
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}
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)
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s1 := []int64{5487701, 5487799, 3}
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s2 := repeat(5487701, 5)
|
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s3 := repeat(maxPartSz, 10000)
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testMPs := []struct {
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decSizes []int64
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oi ObjectInfo
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}{
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{s1, mkMPObj(s1)},
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{s2, mkMPObj(s2)},
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{s3, mkMPObj(s3)},
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}
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|
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// This function is a reference (re-)implementation of
|
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// decrypted range computation, written solely for the purpose
|
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// of the unit tests.
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//
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// `s` gives the decrypted part sizes, and the other
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// parameters describe the desired read segment. When
|
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// `isFromEnd` is true, `skipLen` argument is ignored.
|
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decryptedRangeRef := func(s []int64, skipLen, readLen int64, isFromEnd bool) (o, l, skip int64, sn uint32, ps int) {
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oSize := lsum(s)
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if isFromEnd {
|
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skipLen = oSize - readLen
|
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}
|
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if skipLen < 0 || readLen < 0 || oSize < 0 || skipLen+readLen > oSize {
|
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t.Fatalf("Impossible read specified: %d %d %d", skipLen, readLen, oSize)
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}
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|
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var cumulativeSum, cumulativeEncSum int64
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toRead := readLen
|
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readStart := false
|
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for i, v := range s {
|
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partOffset := int64(0)
|
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partDarePkgOffset := int64(0)
|
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if !readStart && cumulativeSum+v > skipLen {
|
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// Read starts at the current part
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readStart = true
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|
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partOffset = skipLen - cumulativeSum
|
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|
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// All return values except `l` are
|
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// calculated here.
|
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sn = uint32(partOffset / pkgSz)
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skip = partOffset % pkgSz
|
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ps = i
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o = cumulativeEncSum + int64(sn)*(pkgSz+32)
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|
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partDarePkgOffset = partOffset - skip
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}
|
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if readStart {
|
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currentPartBytes := v - partOffset
|
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currentPartDareBytes := v - partDarePkgOffset
|
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if currentPartBytes < toRead {
|
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toRead -= currentPartBytes
|
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l += getEncSize(currentPartDareBytes)
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} else {
|
|
// current part has the last
|
|
// byte required
|
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lbPartOffset := partOffset + toRead - 1
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|
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// round up the lbPartOffset
|
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// to the end of the
|
|
// corresponding DARE package
|
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lbPkgEndOffset := lbPartOffset - (lbPartOffset % pkgSz) + pkgSz
|
|
if lbPkgEndOffset > v {
|
|
lbPkgEndOffset = v
|
|
}
|
|
bytesToDrop := v - lbPkgEndOffset
|
|
|
|
// Last segment to update `l`
|
|
l += getEncSize(currentPartDareBytes - bytesToDrop)
|
|
break
|
|
}
|
|
}
|
|
|
|
cumulativeSum += v
|
|
cumulativeEncSum += getEncSize(v)
|
|
}
|
|
return
|
|
}
|
|
|
|
for i, test := range testMPs {
|
|
{
|
|
// nil range
|
|
o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(nil)
|
|
if err != nil {
|
|
t.Errorf("Case %d: unexpected err: %v", i, err)
|
|
}
|
|
if o != 0 || l != esum(test.oi) || skip != 0 || sn != 0 || ps != 0 {
|
|
t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
|
|
}
|
|
}
|
|
|
|
// Skip 1Mib and read 1Mib (in the decrypted object)
|
|
//
|
|
// The check below ensures the object is large enough
|
|
// for the read.
|
|
if lsum(test.decSizes) >= 2*humanize.MiByte {
|
|
skipLen, readLen := int64(1)*humanize.MiByte, int64(1)*humanize.MiByte
|
|
o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(&HTTPRangeSpec{false, skipLen, skipLen + readLen - 1})
|
|
if err != nil {
|
|
t.Errorf("Case %d: unexpected err: %v", i, err)
|
|
}
|
|
|
|
oRef, lRef, skipRef, snRef, psRef := decryptedRangeRef(test.decSizes, skipLen, readLen, false)
|
|
if o != oRef || l != lRef || skip != skipRef || sn != snRef || ps != psRef {
|
|
t.Errorf("Case %d: test failed: %d %d %d %d %d (Ref: %d %d %d %d %d)",
|
|
i, o, l, skip, sn, ps, oRef, lRef, skipRef, snRef, psRef)
|
|
}
|
|
}
|
|
|
|
// Read the last 6Mib+1 bytes of the (decrypted)
|
|
// object
|
|
//
|
|
// The check below ensures the object is large enough
|
|
// for the read.
|
|
readLen := int64(6)*humanize.MiByte + 1
|
|
if lsum(test.decSizes) >= readLen {
|
|
o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(&HTTPRangeSpec{true, -readLen, -1})
|
|
if err != nil {
|
|
t.Errorf("Case %d: unexpected err: %v", i, err)
|
|
}
|
|
|
|
oRef, lRef, skipRef, snRef, psRef := decryptedRangeRef(test.decSizes, 0, readLen, true)
|
|
if o != oRef || l != lRef || skip != skipRef || sn != snRef || ps != psRef {
|
|
t.Errorf("Case %d: test failed: %d %d %d %d %d (Ref: %d %d %d %d %d)",
|
|
i, o, l, skip, sn, ps, oRef, lRef, skipRef, snRef, psRef)
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
var getDefaultOptsTests = []struct {
|
|
headers http.Header
|
|
copySource bool
|
|
metadata map[string]string
|
|
encryptionType encrypt.Type
|
|
err error
|
|
}{
|
|
{headers: http.Header{crypto.SSECAlgorithm: []string{"AES256"},
|
|
crypto.SSECKey: []string{"MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ="},
|
|
crypto.SSECKeyMD5: []string{"7PpPLAK26ONlVUGOWlusfg=="}},
|
|
copySource: false,
|
|
metadata: nil,
|
|
encryptionType: encrypt.SSEC,
|
|
err: nil}, // 0
|
|
{headers: http.Header{crypto.SSECAlgorithm: []string{"AES256"},
|
|
crypto.SSECKey: []string{"MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ="},
|
|
crypto.SSECKeyMD5: []string{"7PpPLAK26ONlVUGOWlusfg=="}},
|
|
copySource: true,
|
|
metadata: nil,
|
|
encryptionType: "",
|
|
err: nil}, // 1
|
|
{headers: http.Header{crypto.SSECAlgorithm: []string{"AES256"},
|
|
crypto.SSECKey: []string{"Mz"},
|
|
crypto.SSECKeyMD5: []string{"7PpPLAK26ONlVUGOWlusfg=="}},
|
|
copySource: false,
|
|
metadata: nil,
|
|
encryptionType: "",
|
|
err: crypto.ErrInvalidCustomerKey}, // 2
|
|
{headers: http.Header{crypto.SSEHeader: []string{"AES256"}},
|
|
copySource: false,
|
|
metadata: nil,
|
|
encryptionType: encrypt.S3,
|
|
err: nil}, // 3
|
|
{headers: http.Header{},
|
|
copySource: false,
|
|
metadata: map[string]string{crypto.S3SealedKey: base64.StdEncoding.EncodeToString(make([]byte, 64)),
|
|
crypto.S3KMSKeyID: "kms-key",
|
|
crypto.S3KMSSealedKey: "m-key"},
|
|
encryptionType: encrypt.S3,
|
|
err: nil}, // 4
|
|
{headers: http.Header{},
|
|
copySource: true,
|
|
metadata: map[string]string{crypto.S3SealedKey: base64.StdEncoding.EncodeToString(make([]byte, 64)),
|
|
crypto.S3KMSKeyID: "kms-key",
|
|
crypto.S3KMSSealedKey: "m-key"},
|
|
encryptionType: "",
|
|
err: nil}, // 5
|
|
{headers: http.Header{crypto.SSECopyAlgorithm: []string{"AES256"},
|
|
crypto.SSECopyKey: []string{"MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ="},
|
|
crypto.SSECopyKeyMD5: []string{"7PpPLAK26ONlVUGOWlusfg=="}},
|
|
copySource: true,
|
|
metadata: nil,
|
|
encryptionType: encrypt.SSEC,
|
|
err: nil}, // 6
|
|
{headers: http.Header{crypto.SSECopyAlgorithm: []string{"AES256"},
|
|
crypto.SSECopyKey: []string{"MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ="},
|
|
crypto.SSECopyKeyMD5: []string{"7PpPLAK26ONlVUGOWlusfg=="}},
|
|
copySource: false,
|
|
metadata: nil,
|
|
encryptionType: "",
|
|
err: nil}, // 7
|
|
}
|
|
|
|
func TestGetDefaultOpts(t *testing.T) {
|
|
for i, test := range getDefaultOptsTests {
|
|
opts, err := getDefaultOpts(test.headers, test.copySource, test.metadata)
|
|
if test.err != err {
|
|
t.Errorf("Case %d: expected err: %v , actual err: %v", i, test.err, err)
|
|
}
|
|
if err == nil {
|
|
if opts.ServerSideEncryption == nil && test.encryptionType != "" {
|
|
t.Errorf("Case %d: expected opts to be of %v encryption type", i, test.encryptionType)
|
|
|
|
}
|
|
if opts.ServerSideEncryption != nil && test.encryptionType != opts.ServerSideEncryption.Type() {
|
|
t.Errorf("Case %d: expected opts to have encryption type %v but was %v ", i, test.encryptionType, opts.ServerSideEncryption.Type())
|
|
}
|
|
}
|
|
}
|
|
}
|