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package s3api
import (
"context"
"fmt"
"net/http"
"os"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/gorilla/mux"
)
var (
OS_UID = uint32(os.Getuid())
OS_GID = uint32(os.Getgid())
)
func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
var response ListAllMyBucketsResponse
err := s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.ListEntriesRequest{
Directory: s3a.option.BucketsPath,
}
glog.V(4).Infof("read directory: %v", request)
resp, err := client.ListEntries(context.Background(), request)
if err != nil {
return fmt.Errorf("list buckets: %v", err)
}
var buckets []ListAllMyBucketsEntry
for _, entry := range resp.Entries {
if entry.IsDirectory {
buckets = append(buckets, ListAllMyBucketsEntry{
Name: entry.Name,
CreationDate: time.Unix(entry.Attributes.Crtime, 0),
})
}
}
response = ListAllMyBucketsResponse{
ListAllMyBucketsResponse: ListAllMyBucketsResult{
Owner: CanonicalUser{
ID: "",
DisplayName: "",
},
Buckets: ListAllMyBucketsList{
Bucket: buckets,
},
},
}
return nil
})
if err != nil {
writeErrorResponse(w, ErrInternalError, r.URL)
return
}
writeSuccessResponseXML(w, encodeResponse(response))
}
func (s3a *S3ApiServer) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
bucket := vars["bucket"]
err := s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.CreateEntryRequest{
Directory: s3a.option.BucketsPath,
Entry: &filer_pb.Entry{
Name: bucket,
IsDirectory: true,
Attributes: &filer_pb.FuseAttributes{
Mtime: time.Now().Unix(),
Crtime: time.Now().Unix(),
FileMode: uint32(0777 | os.ModeDir),
Uid: OS_UID,
Gid: OS_GID,
},
},
}
glog.V(1).Infof("create bucket: %v", request)
if _, err := client.CreateEntry(context.Background(), request); err != nil {
return fmt.Errorf("mkdir %s/%s: %v", s3a.option.BucketsPath, bucket, err)
}
// lazily create collection
return nil
})
if err != nil {
writeErrorResponse(w, ErrInternalError, r.URL)
return
}
writeSuccessResponseEmpty(w)
}
func (s3a *S3ApiServer) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
bucket := vars["bucket"]
err := s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
ctx := context.Background()
// delete collection
deleteCollectionRequest := &filer_pb.DeleteCollectionRequest{
Collection: bucket,
}
glog.V(1).Infof("delete collection: %v", deleteCollectionRequest)
if _, err := client.DeleteCollection(ctx, deleteCollectionRequest); err != nil {
return fmt.Errorf("delete collection %s: %v", bucket, err)
}
// delete bucket metadata
request := &filer_pb.DeleteEntryRequest{
Directory: s3a.option.BucketsPath,
Name: bucket,
IsDirectory: true,
IsDeleteData: false,
IsRecursive: true,
}
glog.V(1).Infof("delete bucket: %v", request)
if _, err := client.DeleteEntry(ctx, request); err != nil {
return fmt.Errorf("delete bucket %s/%s: %v", s3a.option.BucketsPath, bucket, err)
}
return nil
})
if err != nil {
writeErrorResponse(w, ErrInternalError, r.URL)
return
}
writeResponse(w, http.StatusNoContent, nil, mimeNone)
}
func (s3a *S3ApiServer) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
bucket := vars["bucket"]
err := s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: s3a.option.BucketsPath,
Name: bucket,
}
glog.V(1).Infof("lookup bucket: %v", request)
if _, err := client.LookupDirectoryEntry(context.Background(), request); err != nil {
return fmt.Errorf("lookup bucket %s/%s: %v", s3a.option.BucketsPath, bucket, err)
}
return nil
})
if err != nil {
writeErrorResponse(w, ErrNoSuchBucket, r.URL)
return
}
writeSuccessResponseEmpty(w)
}
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