312 lines
9.6 KiB
Go
312 lines
9.6 KiB
Go
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package handler
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import (
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"bytes"
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"crypto/rand"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"testing"
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"github.com/nspcc-dev/neofs-s3-gw/api"
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"github.com/nspcc-dev/neofs-s3-gw/api/layer"
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"github.com/stretchr/testify/require"
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)
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const (
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aes256Key = "MTIzNDU2Nzg5MHF3ZXJ0eXVpb3Bhc2RmZ2hqa2x6eGM="
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aes256KeyMD5 = "NtkH/y2maPit+yUkhq4Q7A=="
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partNumberQuery = "partNumber"
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uploadIDQuery = "uploadId"
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)
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func TestSimpleGetEncrypted(t *testing.T) {
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tc := prepareHandlerContext(t)
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bktName, objName := "bucket-for-sse-c", "object-to-encrypt"
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bktInfo := createTestBucket(tc.Context(), t, tc, bktName)
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content := "content"
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putEncryptedObject(t, tc, bktName, objName, content)
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objInfo, err := tc.Layer().GetObjectInfo(tc.Context(), &layer.HeadObjectParams{BktInfo: bktInfo, Object: objName})
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require.NoError(t, err)
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obj, err := tc.MockedPool().ReadObject(tc.Context(), layer.PrmObjectRead{Container: bktInfo.CID, Object: objInfo.ID})
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require.NoError(t, err)
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encryptedContent, err := io.ReadAll(obj.Payload)
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require.NoError(t, err)
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require.NotEqual(t, content, string(encryptedContent))
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response, _ := getEncryptedObject(t, tc, bktName, objName)
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require.Equal(t, content, string(response))
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}
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func TestGetEncryptedRange(t *testing.T) {
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tc := prepareHandlerContext(t)
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bktName, objName := "bucket-for-sse-c", "object-to-encrypt"
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createTestBucket(tc.Context(), t, tc, bktName)
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var sb strings.Builder
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for i := 0; i < 1<<16+11; i++ {
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switch i {
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case 0:
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sb.Write([]byte("b"))
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case 1<<16 - 2:
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sb.Write([]byte("c"))
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case 1<<16 - 1:
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sb.Write([]byte("d"))
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case 1 << 16:
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sb.Write([]byte("e"))
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case 1<<16 + 1:
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sb.Write([]byte("f"))
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case 1<<16 + 10:
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sb.Write([]byte("g"))
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default:
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sb.Write([]byte("a"))
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}
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}
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content := sb.String()
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putEncryptedObject(t, tc, bktName, objName, content)
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full := getEncryptedObjectRange(t, tc, bktName, objName, 0, sb.Len()-1)
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require.Equalf(t, content, string(full), "expected len: %d, actual len: %d", len(content), len(full))
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beginning := getEncryptedObjectRange(t, tc, bktName, objName, 0, 3)
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require.Equal(t, content[:4], string(beginning))
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middle := getEncryptedObjectRange(t, tc, bktName, objName, 1<<16-3, 1<<16+2)
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require.Equal(t, "acdefa", string(middle))
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end := getEncryptedObjectRange(t, tc, bktName, objName, 1<<16+2, len(content)-1)
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require.Equal(t, "aaaaaaaag", string(end))
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}
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func TestS3EncryptionSSECMultipartUpload(t *testing.T) {
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tc := prepareHandlerContext(t)
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bktName, objName := "bucket-for-sse-c-multipart-s3-tests", "multipart_enc"
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createTestBucket(tc.Context(), t, tc, bktName)
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objLen := 30 * 1024 * 1024
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partSize := objLen / 6
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headerMetaKey := api.MetadataPrefix + "foo"
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headers := map[string]string{
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headerMetaKey: "bar",
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api.ContentType: "text/plain",
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}
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data := multipartUploadEncrypted(t, tc, bktName, objName, headers, objLen, partSize)
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require.Equal(t, objLen, len(data))
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resData, resHeader := getEncryptedObject(t, tc, bktName, objName)
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equalDataSlices(t, data, resData)
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require.Equal(t, headers[api.ContentType], resHeader.Get(api.ContentType))
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require.Equal(t, headers[headerMetaKey], resHeader[headerMetaKey][0])
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require.Equal(t, strconv.Itoa(objLen), resHeader.Get(api.ContentLength))
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checkContentUsingRangeEnc(t, tc, bktName, objName, data, 1000000)
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checkContentUsingRangeEnc(t, tc, bktName, objName, data, 10000000)
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}
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func equalDataSlices(t *testing.T, expected, actual []byte) {
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require.Equal(t, len(expected), len(actual), "sizes don't match")
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if bytes.Equal(expected, actual) {
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return
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}
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for i := 0; i < len(expected); i++ {
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if expected[i] != actual[i] {
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require.Equalf(t, expected[i], actual[i], "differ start with '%d' position, length: %d", i, len(expected))
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}
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}
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}
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func checkContentUsingRangeEnc(t *testing.T, tc *handlerContext, bktName, objName string, data []byte, step int) {
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var off, toRead, end int
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for off < len(data) {
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toRead = len(data) - off
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if toRead > step {
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toRead = step
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}
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end = off + toRead - 1
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rangeData := getEncryptedObjectRange(t, tc, bktName, objName, off, end)
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equalDataSlices(t, data[off:end+1], rangeData)
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off += step
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}
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}
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func multipartUploadEncrypted(t *testing.T, tc *handlerContext, bktName, objName string, headers map[string]string, objLen, partsSize int) (objData []byte) {
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multipartInfo := createMultipartUpload(t, tc, bktName, objName, headers)
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var sum, currentPart int
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var etags []string
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adjustedSize := partsSize
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for sum < objLen {
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currentPart++
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sum += partsSize
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if sum > objLen {
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adjustedSize = objLen - sum
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}
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etag, data := uploadPart(t, tc, bktName, objName, multipartInfo.UploadID, currentPart, adjustedSize)
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etags = append(etags, etag)
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objData = append(objData, data...)
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}
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completeMultipartUpload(t, tc, bktName, objName, multipartInfo.UploadID, etags)
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return
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}
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func createMultipartUpload(t *testing.T, tc *handlerContext, bktName, objName string, headers map[string]string) *InitiateMultipartUploadResponse {
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w, r := prepareTestRequest(t, bktName, objName, nil)
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setEncryptHeaders(r)
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setHeaders(r, headers)
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tc.Handler().CreateMultipartUploadHandler(w, r)
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multipartInitInfo := &InitiateMultipartUploadResponse{}
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readResponse(t, w, http.StatusOK, multipartInitInfo)
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return multipartInitInfo
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}
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func completeMultipartUpload(t *testing.T, tc *handlerContext, bktName, objName, uploadID string, partsETags []string) {
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query := make(url.Values)
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query.Set(uploadIDQuery, uploadID)
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complete := &CompleteMultipartUpload{
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Parts: []*layer.CompletedPart{},
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}
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for i, tag := range partsETags {
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complete.Parts = append(complete.Parts, &layer.CompletedPart{
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ETag: tag,
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PartNumber: i + 1,
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})
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}
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w, r := prepareTestFullRequest(t, bktName, objName, query, complete)
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tc.Handler().CompleteMultipartUploadHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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}
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func uploadPart(t *testing.T, tc *handlerContext, bktName, objName, uploadID string, num, size int) (string, []byte) {
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partBody := make([]byte, size)
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_, err := rand.Read(partBody)
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require.NoError(t, err)
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query := make(url.Values)
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query.Set(uploadIDQuery, uploadID)
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query.Set(partNumberQuery, strconv.Itoa(num))
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w, r := prepareTestRequestWithQuery(bktName, objName, query, partBody)
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setEncryptHeaders(r)
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tc.Handler().UploadPartHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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return w.Header().Get(api.ETag), partBody
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}
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func TestMultipartEncrypted(t *testing.T) {
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partSize := 5*1048576 + 1<<16 - 5 // 5MB (min part size) + 64kb (cipher block size) - 5 (to check corner range)
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tc := prepareHandlerContext(t)
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bktName, objName := "bucket-for-sse-c-multipart", "object-to-encrypt-multipart"
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createTestBucket(tc.Context(), t, tc, bktName)
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w, r := prepareTestRequest(t, bktName, objName, nil)
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setEncryptHeaders(r)
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tc.Handler().CreateMultipartUploadHandler(w, r)
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multipartInitInfo := &InitiateMultipartUploadResponse{}
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readResponse(t, w, http.StatusOK, multipartInitInfo)
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part1 := make([]byte, partSize)
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for i := range part1 {
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part1[i] = 'a'
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}
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query := make(url.Values)
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query.Set(uploadIDQuery, multipartInitInfo.UploadID)
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query.Set(partNumberQuery, "1")
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w, r = prepareTestRequestWithQuery(bktName, objName, query, part1)
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setEncryptHeaders(r)
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tc.Handler().UploadPartHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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part1ETag := w.Header().Get(api.ETag)
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part2 := []byte("part2")
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query = make(url.Values)
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query.Set(uploadIDQuery, multipartInitInfo.UploadID)
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query.Set(partNumberQuery, "2")
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w, r = prepareTestRequestWithQuery(bktName, objName, query, part2)
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setEncryptHeaders(r)
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tc.Handler().UploadPartHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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part2ETag := w.Header().Get(api.ETag)
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query = make(url.Values)
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query.Set(uploadIDQuery, multipartInitInfo.UploadID)
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complete := &CompleteMultipartUpload{
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Parts: []*layer.CompletedPart{
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{ETag: part1ETag, PartNumber: 1},
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{ETag: part2ETag, PartNumber: 2},
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},
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}
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w, r = prepareTestFullRequest(t, bktName, objName, query, complete)
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tc.Handler().CompleteMultipartUploadHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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res, _ := getEncryptedObject(t, tc, bktName, objName)
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require.Equal(t, len(part1)+len(part2), len(res))
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require.Equal(t, append(part1, part2...), res)
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part2Range := getEncryptedObjectRange(t, tc, bktName, objName, len(part1), len(part1)+len(part2)-1)
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require.Equal(t, part2[0:], part2Range)
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}
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func putEncryptedObject(t *testing.T, tc *handlerContext, bktName, objName, content string) {
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body := bytes.NewReader([]byte(content))
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w, r := prepareTestPayloadRequest(bktName, objName, body)
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setEncryptHeaders(r)
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tc.Handler().PutObjectHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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}
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func getEncryptedObject(t *testing.T, tc *handlerContext, bktName, objName string) ([]byte, http.Header) {
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w, r := prepareTestRequest(t, bktName, objName, nil)
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setEncryptHeaders(r)
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tc.Handler().GetObjectHandler(w, r)
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assertStatus(t, w, http.StatusOK)
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content, err := io.ReadAll(w.Result().Body)
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require.NoError(t, err)
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return content, w.Header()
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}
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func getEncryptedObjectRange(t *testing.T, tc *handlerContext, bktName, objName string, start, end int) []byte {
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w, r := prepareTestRequest(t, bktName, objName, nil)
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setEncryptHeaders(r)
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r.Header.Set("Range", fmt.Sprintf("bytes=%d-%d", start, end))
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tc.Handler().GetObjectHandler(w, r)
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assertStatus(t, w, http.StatusPartialContent)
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content, err := io.ReadAll(w.Result().Body)
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require.NoError(t, err)
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return content
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}
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func setEncryptHeaders(r *http.Request) {
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r.Header.Set(api.AmzServerSideEncryptionCustomerAlgorithm, layer.AESEncryptionAlgorithm)
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r.Header.Set(api.AmzServerSideEncryptionCustomerKey, aes256Key)
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r.Header.Set(api.AmzServerSideEncryptionCustomerKeyMD5, aes256KeyMD5)
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}
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func setHeaders(r *http.Request, header map[string]string) {
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for key, val := range header {
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r.Header.Set(key, val)
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}
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}
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