package s3manager import ( "encoding/json" "fmt" "net/http" minio "github.com/minio/minio-go" ) // copyObjectInfo is the information about an object to copy. type copyObjectInfo struct { BucketName string `json:"bucketName"` ObjectName string `json:"objectName"` SourceBucketName string `json:"sourceBucketName"` SourceObjectName string `json:"sourceObjectName"` } // CopyObjectHandler copies an existing object under a new name. func CopyObjectHandler(s3 S3) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { var copy copyObjectInfo err := json.NewDecoder(r.Body).Decode(©) if err != nil { handleHTTPError(w, http.StatusInternalServerError, err) return } copyConds := minio.NewCopyConditions() objectSource := fmt.Sprintf("/%s/%s", copy.SourceBucketName, copy.SourceObjectName) err = s3.CopyObject(copy.BucketName, copy.ObjectName, objectSource, copyConds) if err != nil { handleHTTPError(w, http.StatusInternalServerError, err) return } w.Header().Set(HeaderContentType, ContentTypeJSON) w.WriteHeader(http.StatusCreated) err = json.NewEncoder(w).Encode(copy) if err != nil { handleHTTPError(w, http.StatusInternalServerError, err) return } }) }