s3manager-web/internal/app/s3manager/copy_object.go
2018-05-27 23:11:52 +02:00

50 lines
1.4 KiB
Go

package s3manager
import (
"encoding/json"
"net/http"
"github.com/pkg/errors"
minio "github.com/minio/minio-go"
)
// CopyObjectHandler copies an existing object under a new name.
func CopyObjectHandler(s3 S3) http.Handler {
// request is the information about an object to copy.
type request struct {
BucketName string `json:"bucketName"`
ObjectName string `json:"objectName"`
SourceBucketName string `json:"sourceBucketName"`
SourceObjectName string `json:"sourceObjectName"`
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var req request
err := json.NewDecoder(r.Body).Decode(&req)
if err != nil {
handleHTTPError(w, errors.Wrap(err, "error decoding body JSON"))
return
}
src := minio.NewSourceInfo(req.SourceBucketName, req.SourceObjectName, nil)
dst, err := minio.NewDestinationInfo(req.BucketName, req.ObjectName, nil, nil)
if err != nil {
handleHTTPError(w, errors.Wrap(err, "error creating destination for copying"))
return
}
err = s3.CopyObject(dst, src)
if err != nil {
handleHTTPError(w, errors.Wrap(err, "error copying object"))
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(req)
if err != nil {
handleHTTPError(w, errors.Wrap(err, "error encoding JSON"))
return
}
})
}