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package s3api
import (
"context"
"encoding/xml"
"fmt"
"math"
"net/http"
"os"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/gorilla/mux"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)
var (
OS_UID = uint32(os.Getuid())
OS_GID = uint32(os.Getgid())
)
type ListAllMyBucketsResult struct {
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResult"`
Owner *s3.Owner
Buckets []*s3.Bucket `xml:"Buckets>Bucket"`
}
func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
var response ListAllMyBucketsResult
entries, err := s3a.list(s3a.option.BucketsPath, "", "", false, math.MaxInt32)
if err != nil {
writeErrorResponse(w, ErrInternalError, r.URL)
return
}
var buckets []*s3.Bucket
for _, entry := range entries {
if entry.IsDirectory {
buckets = append(buckets, &s3.Bucket{
Name: aws.String(entry.Name),
CreationDate: aws.Time(time.Unix(entry.Attributes.Crtime, 0)),
})
}
}
response = ListAllMyBucketsResult{
Owner: &s3.Owner{
ID: aws.String(""),
DisplayName: aws.String(""),
},
Buckets: buckets,
}
writeSuccessResponseXML(w, encodeResponse(response))
}
func (s3a *S3ApiServer) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
bucket := vars["bucket"]
// create the folder for bucket, but lazily create actual collection
if err := s3a.mkdir(s3a.option.BucketsPath, bucket, nil); 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 {
// delete collection
deleteCollectionRequest := &filer_pb.DeleteCollectionRequest{
Collection: bucket,
}
glog.V(1).Infof("delete collection: %v", deleteCollectionRequest)
if _, err := client.DeleteCollection(context.Background(), deleteCollectionRequest); err != nil {
return fmt.Errorf("delete collection %s: %v", bucket, err)
}
return nil
})
err = s3a.rm(s3a.option.BucketsPath, bucket, true, false, true)
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 resp, err := client.LookupDirectoryEntry(context.Background(), request); err != nil || resp.Entry == 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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