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584 lines
17 KiB
584 lines
17 KiB
package s3api
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import (
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"context"
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"encoding/xml"
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"errors"
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"fmt"
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"github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3account"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3acl"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3bucket"
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"github.com/seaweedfs/seaweedfs/weed/util"
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"math"
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"net/http"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/s3"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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)
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type ListAllMyBucketsResult struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResult"`
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Owner *s3.Owner
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Buckets []*s3.Bucket `xml:"Buckets>Bucket"`
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}
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func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
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glog.V(3).Infof("ListBucketsHandler")
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var identity *Identity
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var s3Err s3err.ErrorCode
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if s3a.iam.isEnabled() {
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identity, s3Err = s3a.iam.authUser(r)
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if s3Err != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, s3Err)
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return
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}
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}
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var response ListAllMyBucketsResult
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entries, _, err := s3a.list(s3a.option.BucketsPath, "", "", false, math.MaxInt32)
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if err != nil {
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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identityId := r.Header.Get(s3_constants.AmzIdentityId)
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var buckets []*s3.Bucket
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for _, entry := range entries {
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if entry.IsDirectory {
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if identity != nil && !identity.canDo(s3_constants.ACTION_LIST, entry.Name, "") {
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continue
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}
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buckets = append(buckets, &s3.Bucket{
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Name: aws.String(entry.Name),
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CreationDate: aws.Time(time.Unix(entry.Attributes.Crtime, 0).UTC()),
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})
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}
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}
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response = ListAllMyBucketsResult{
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Owner: &s3.Owner{
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ID: aws.String(identityId),
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DisplayName: aws.String(identityId),
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},
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Buckets: buckets,
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}
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writeSuccessResponseXML(w, r, response)
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}
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func (s3a *S3ApiServer) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("PutBucketHandler %s", bucket)
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// validate the bucket name
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err := s3bucket.VerifyS3BucketName(bucket)
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if err != nil {
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glog.Errorf("put invalid bucket name: %v %v", bucket, err)
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s3err.WriteErrorResponse(w, r, s3err.ErrInvalidBucketName)
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return
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}
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// avoid duplicated buckets
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errCode := s3err.ErrNone
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if err := s3a.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
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if resp, err := client.CollectionList(context.Background(), &filer_pb.CollectionListRequest{
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IncludeEcVolumes: true,
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IncludeNormalVolumes: true,
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}); err != nil {
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glog.Errorf("list collection: %v", err)
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return fmt.Errorf("list collections: %v", err)
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} else {
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for _, c := range resp.Collections {
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if bucket == c.Name {
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errCode = s3err.ErrBucketAlreadyExists
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break
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}
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}
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}
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return nil
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}); err != nil {
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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if exist, err := s3a.exists(s3a.option.BucketsPath, bucket, true); err == nil && exist {
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errCode = s3err.ErrBucketAlreadyExists
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}
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if errCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errCode)
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return
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}
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if s3a.iam.isEnabled() {
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if _, errCode = s3a.iam.authRequest(r, s3_constants.ACTION_ADMIN); errCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errCode)
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return
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}
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}
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objectOwnership := r.Header.Get("X-Amz-Object-Ownership")
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requestAccountId := s3acl.GetAccountId(r)
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grants, errCode := s3acl.ExtractBucketAcl(r, s3a.accountManager, objectOwnership, requestAccountId, requestAccountId, true)
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if errCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errCode)
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return
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}
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fn := func(entry *filer_pb.Entry) {
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if identityId := r.Header.Get(s3_constants.AmzIdentityId); identityId != "" {
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if entry.Extended == nil {
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entry.Extended = make(map[string][]byte)
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}
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entry.Extended[s3_constants.AmzIdentityId] = []byte(identityId)
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s3a.bucketRegistry.LoadBucketMetadata(entry)
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}
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if objectOwnership != "" {
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if entry.Extended == nil {
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entry.Extended = make(map[string][]byte)
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}
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entry.Extended[s3_constants.ExtOwnershipKey] = []byte(objectOwnership)
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}
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s3acl.AssembleEntryWithAcp(entry, requestAccountId, grants)
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}
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// create the folder for bucket, but lazily create actual collection
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if err := s3a.mkdir(s3a.option.BucketsPath, bucket, fn); err != nil {
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glog.Errorf("PutBucketHandler mkdir: %v", err)
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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// clear cache
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s3a.bucketRegistry.ClearCache(bucket)
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w.Header().Set("Location", "/"+bucket)
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writeSuccessResponseEmpty(w, r)
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}
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func (s3a *S3ApiServer) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("DeleteBucketHandler %s", bucket)
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if err := s3a.checkBucket(r, bucket); err != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, err)
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return
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}
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err := s3a.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
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if !s3a.option.AllowDeleteBucketNotEmpty {
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entries, _, err := s3a.list(s3a.option.BucketsPath+"/"+bucket, "", "", false, 2)
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if err != nil {
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return fmt.Errorf("failed to list bucket %s: %v", bucket, err)
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}
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for _, entry := range entries {
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if entry.Name != s3_constants.MultipartUploadsFolder {
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return errors.New(s3err.GetAPIError(s3err.ErrBucketNotEmpty).Code)
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}
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}
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}
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// delete collection
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deleteCollectionRequest := &filer_pb.DeleteCollectionRequest{
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Collection: bucket,
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}
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glog.V(1).Infof("delete collection: %v", deleteCollectionRequest)
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if _, err := client.DeleteCollection(context.Background(), deleteCollectionRequest); err != nil {
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return fmt.Errorf("delete collection %s: %v", bucket, err)
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}
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return nil
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})
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if err != nil {
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s3ErrorCode := s3err.ErrInternalError
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if err.Error() == s3err.GetAPIError(s3err.ErrBucketNotEmpty).Code {
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s3ErrorCode = s3err.ErrBucketNotEmpty
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}
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s3err.WriteErrorResponse(w, r, s3ErrorCode)
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return
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}
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err = s3a.rm(s3a.option.BucketsPath, bucket, false, true)
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if err != nil {
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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s3err.WriteEmptyResponse(w, r, http.StatusNoContent)
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}
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func (s3a *S3ApiServer) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("HeadBucketHandler %s", bucket)
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_, errorCode := s3a.checkAccessForReadBucket(r, bucket, s3_constants.PermissionRead)
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if errorCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errorCode)
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return
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}
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if entry, err := s3a.getEntry(s3a.option.BucketsPath, bucket); entry == nil || err == filer_pb.ErrNotFound {
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s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchBucket)
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return
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}
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writeSuccessResponseEmpty(w, r)
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}
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func (s3a *S3ApiServer) checkBucket(r *http.Request, bucket string) s3err.ErrorCode {
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entry, err := s3a.getEntry(s3a.option.BucketsPath, bucket)
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if entry == nil || err == filer_pb.ErrNotFound {
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return s3err.ErrNoSuchBucket
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}
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if !s3a.hasAccess(r, entry) {
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return s3err.ErrAccessDenied
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}
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return s3err.ErrNone
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}
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func (s3a *S3ApiServer) hasAccess(r *http.Request, entry *filer_pb.Entry) bool {
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isAdmin := r.Header.Get(s3_constants.AmzIsAdmin) != ""
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if isAdmin {
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return true
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}
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if entry.Extended == nil {
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return true
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}
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identityId := r.Header.Get(s3_constants.AmzIdentityId)
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if id, ok := entry.Extended[s3_constants.AmzIdentityId]; ok {
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if identityId != string(id) {
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return false
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}
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}
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return true
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}
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// PutBucketAclHandler Put bucket ACL
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketAcl.html
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func (s3a *S3ApiServer) PutBucketAclHandler(w http.ResponseWriter, r *http.Request) {
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("PutBucketAclHandler %s", bucket)
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accountId := s3acl.GetAccountId(r)
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bucketMetadata, errorCode := s3a.checkAccessForPutBucketAcl(accountId, bucket)
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if errorCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errorCode)
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return
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}
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grants, errCode := s3acl.ExtractBucketAcl(r, s3a.accountManager, bucketMetadata.ObjectOwnership, *bucketMetadata.Owner.ID, accountId, false)
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if errCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errCode)
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return
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}
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bucketEntry, err := s3a.getEntry(s3a.option.BucketsPath, bucket)
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if err != nil {
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glog.Warning(err)
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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errCode = s3acl.AssembleEntryWithAcp(bucketEntry, *bucketMetadata.Owner.ID, grants)
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if errCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errCode)
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return
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}
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err = updateBucketEntry(s3a, bucketEntry)
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if err != nil {
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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//update local cache
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bucketMetadata.Acl = grants
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s3err.WriteEmptyResponse(w, r, http.StatusOK)
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}
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// GetBucketAclHandler Get Bucket ACL
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketAcl.html
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func (s3a *S3ApiServer) GetBucketAclHandler(w http.ResponseWriter, r *http.Request) {
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// collect parameters
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("GetBucketAclHandler %s", bucket)
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bucketMetadata, errorCode := s3a.checkAccessForReadBucket(r, bucket, s3_constants.PermissionReadAcp)
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if s3err.ErrNone != errorCode {
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s3err.WriteErrorResponse(w, r, errorCode)
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return
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}
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acp := &s3.PutBucketAclInput{
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AccessControlPolicy: &s3.AccessControlPolicy{
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Grants: bucketMetadata.Acl,
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Owner: bucketMetadata.Owner,
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},
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}
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s3err.WriteAwsXMLResponse(w, r, http.StatusOK, acp)
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}
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// GetBucketLifecycleConfigurationHandler Get Bucket Lifecycle configuration
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLifecycleConfiguration.html
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func (s3a *S3ApiServer) GetBucketLifecycleConfigurationHandler(w http.ResponseWriter, r *http.Request) {
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// collect parameters
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("GetBucketLifecycleConfigurationHandler %s", bucket)
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if err := s3a.checkBucket(r, bucket); err != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, err)
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return
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}
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fc, err := filer.ReadFilerConf(s3a.option.Filer, s3a.option.GrpcDialOption, nil)
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if err != nil {
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glog.Errorf("GetBucketLifecycleConfigurationHandler: %s", err)
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
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ttls := fc.GetCollectionTtls(bucket)
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if len(ttls) == 0 {
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s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchLifecycleConfiguration)
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return
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}
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response := Lifecycle{}
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for prefix, internalTtl := range ttls {
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ttl, _ := needle.ReadTTL(internalTtl)
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days := int(ttl.Minutes() / 60 / 24)
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if days == 0 {
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continue
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}
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response.Rules = append(response.Rules, Rule{
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Status: Enabled, Filter: Filter{
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Prefix: Prefix{string: prefix, set: true},
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set: true,
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},
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Expiration: Expiration{Days: days, set: true},
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})
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}
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writeSuccessResponseXML(w, r, response)
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}
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// PutBucketLifecycleConfigurationHandler Put Bucket Lifecycle configuration
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketLifecycleConfiguration.html
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func (s3a *S3ApiServer) PutBucketLifecycleConfigurationHandler(w http.ResponseWriter, r *http.Request) {
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s3err.WriteErrorResponse(w, r, s3err.ErrNotImplemented)
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}
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// DeleteBucketMetricsConfiguration Delete Bucket Lifecycle
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketLifecycle.html
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func (s3a *S3ApiServer) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
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s3err.WriteEmptyResponse(w, r, http.StatusNoContent)
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}
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// GetBucketLocationHandler Get bucket location
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLocation.html
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func (s3a *S3ApiServer) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
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writeSuccessResponseXML(w, r, LocationConstraint{})
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}
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|
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// GetBucketRequestPaymentHandler Get bucket location
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketRequestPayment.html
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func (s3a *S3ApiServer) GetBucketRequestPaymentHandler(w http.ResponseWriter, r *http.Request) {
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writeSuccessResponseXML(w, r, RequestPaymentConfiguration{Payer: "BucketOwner"})
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}
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|
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// PutBucketOwnershipControls https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketOwnershipControls.html
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func (s3a *S3ApiServer) PutBucketOwnershipControls(w http.ResponseWriter, r *http.Request) {
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bucket, _ := s3_constants.GetBucketAndObject(r)
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glog.V(3).Infof("PutBucketOwnershipControls %s", bucket)
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|
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errCode := s3a.checkAccessByOwnership(r, bucket)
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if errCode != s3err.ErrNone {
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s3err.WriteErrorResponse(w, r, errCode)
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return
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}
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|
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if r.Body == nil || r.Body == http.NoBody {
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s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
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return
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}
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|
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defer util.CloseRequest(r)
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var v s3.OwnershipControls
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err := xmlutil.UnmarshalXML(&v, xml.NewDecoder(r.Body), "")
|
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if err != nil {
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s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
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return
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}
|
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|
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if len(v.Rules) != 1 {
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s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
|
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return
|
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}
|
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|
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printOwnership := true
|
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newObjectOwnership := *v.Rules[0].ObjectOwnership
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switch newObjectOwnership {
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case s3_constants.OwnershipObjectWriter:
|
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case s3_constants.OwnershipBucketOwnerPreferred:
|
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case s3_constants.OwnershipBucketOwnerEnforced:
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default:
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s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
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return
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}
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|
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bucketEntry, err := s3a.getEntry(s3a.option.BucketsPath, bucket)
|
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if err != nil {
|
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if err == filer_pb.ErrNotFound {
|
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s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchBucket)
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return
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}
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s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
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return
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}
|
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|
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oldOwnership, ok := bucketEntry.Extended[s3_constants.ExtOwnershipKey]
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if !ok || string(oldOwnership) != newObjectOwnership {
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|
|
// must reset bucket acl to default(bucket owner with full control permission) before setting ownership
|
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// to `OwnershipBucketOwnerEnforced` (bucket cannot have ACLs set with ObjectOwnership's BucketOwnerEnforced setting)
|
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if newObjectOwnership == s3_constants.OwnershipBucketOwnerEnforced {
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acpGrants := s3acl.GetAcpGrants(nil, bucketEntry.Extended)
|
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if len(acpGrants) > 1 {
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s3err.WriteErrorResponse(w, r, s3err.InvalidBucketAclWithObjectOwnership)
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return
|
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} else if len(acpGrants) == 1 {
|
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bucketOwner := s3acl.GetAcpOwner(bucketEntry.Extended, s3account.AccountAdmin.Id)
|
|
expectGrant := s3acl.GrantWithFullControl(bucketOwner)
|
|
if !s3acl.GrantEquals(acpGrants[0], expectGrant) {
|
|
s3err.WriteErrorResponse(w, r, s3err.InvalidBucketAclWithObjectOwnership)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
if bucketEntry.Extended == nil {
|
|
bucketEntry.Extended = make(map[string][]byte)
|
|
}
|
|
//update local cache
|
|
bucketMetadata, eCode := s3a.bucketRegistry.GetBucketMetadata(bucket)
|
|
if eCode == s3err.ErrNone {
|
|
bucketMetadata.ObjectOwnership = newObjectOwnership
|
|
}
|
|
bucketEntry.Extended[s3_constants.ExtOwnershipKey] = []byte(newObjectOwnership)
|
|
err = s3a.updateEntry(s3a.option.BucketsPath, bucketEntry)
|
|
if err != nil {
|
|
s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
|
|
return
|
|
}
|
|
}
|
|
|
|
if printOwnership {
|
|
result := &s3.PutBucketOwnershipControlsInput{
|
|
OwnershipControls: &v,
|
|
}
|
|
s3err.WriteAwsXMLResponse(w, r, http.StatusOK, result)
|
|
} else {
|
|
writeSuccessResponseEmpty(w, r)
|
|
}
|
|
}
|
|
|
|
// GetBucketOwnershipControls https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketOwnershipControls.html
|
|
func (s3a *S3ApiServer) GetBucketOwnershipControls(w http.ResponseWriter, r *http.Request) {
|
|
bucket, _ := s3_constants.GetBucketAndObject(r)
|
|
glog.V(3).Infof("GetBucketOwnershipControls %s", bucket)
|
|
|
|
errCode := s3a.checkAccessByOwnership(r, bucket)
|
|
if errCode != s3err.ErrNone {
|
|
s3err.WriteErrorResponse(w, r, errCode)
|
|
return
|
|
}
|
|
|
|
bucketEntry, err := s3a.getEntry(s3a.option.BucketsPath, bucket)
|
|
if err != nil {
|
|
if err == filer_pb.ErrNotFound {
|
|
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchBucket)
|
|
return
|
|
}
|
|
s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
|
|
return
|
|
}
|
|
|
|
v, ok := bucketEntry.Extended[s3_constants.ExtOwnershipKey]
|
|
if !ok {
|
|
s3err.WriteErrorResponse(w, r, s3err.OwnershipControlsNotFoundError)
|
|
return
|
|
}
|
|
ownership := string(v)
|
|
|
|
result := &s3.PutBucketOwnershipControlsInput{
|
|
OwnershipControls: &s3.OwnershipControls{
|
|
Rules: []*s3.OwnershipControlsRule{
|
|
{
|
|
ObjectOwnership: &ownership,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
s3err.WriteAwsXMLResponse(w, r, http.StatusOK, result)
|
|
}
|
|
|
|
// DeleteBucketOwnershipControls https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketOwnershipControls.html
|
|
func (s3a *S3ApiServer) DeleteBucketOwnershipControls(w http.ResponseWriter, r *http.Request) {
|
|
bucket, _ := s3_constants.GetBucketAndObject(r)
|
|
glog.V(3).Infof("PutBucketOwnershipControls %s", bucket)
|
|
|
|
errCode := s3a.checkAccessByOwnership(r, bucket)
|
|
if errCode != s3err.ErrNone {
|
|
s3err.WriteErrorResponse(w, r, errCode)
|
|
return
|
|
}
|
|
|
|
bucketEntry, err := s3a.getEntry(s3a.option.BucketsPath, bucket)
|
|
if err != nil {
|
|
if err == filer_pb.ErrNotFound {
|
|
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchBucket)
|
|
return
|
|
}
|
|
s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
|
|
return
|
|
}
|
|
|
|
_, ok := bucketEntry.Extended[s3_constants.ExtOwnershipKey]
|
|
if !ok {
|
|
s3err.WriteErrorResponse(w, r, s3err.OwnershipControlsNotFoundError)
|
|
return
|
|
}
|
|
|
|
delete(bucketEntry.Extended, s3_constants.ExtOwnershipKey)
|
|
err = s3a.updateEntry(s3a.option.BucketsPath, bucketEntry)
|
|
if err != nil {
|
|
s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
|
|
return
|
|
}
|
|
|
|
emptyOwnershipControls := &s3.OwnershipControls{
|
|
Rules: []*s3.OwnershipControlsRule{},
|
|
}
|
|
s3err.WriteAwsXMLResponse(w, r, http.StatusOK, emptyOwnershipControls)
|
|
}
|