152 lines
3.8 KiB
Go
152 lines
3.8 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package event
|
|
|
|
import (
|
|
"encoding/json"
|
|
"encoding/xml"
|
|
)
|
|
|
|
// Name - event type enum.
|
|
// Refer http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html#notification-how-to-event-types-and-destinations
|
|
type Name int
|
|
|
|
// Values of Name
|
|
const (
|
|
ObjectAccessedAll Name = 1 + iota
|
|
ObjectAccessedGet
|
|
ObjectAccessedHead
|
|
ObjectCreatedAll
|
|
ObjectCreatedCompleteMultipartUpload
|
|
ObjectCreatedCopy
|
|
ObjectCreatedPost
|
|
ObjectCreatedPut
|
|
ObjectRemovedAll
|
|
ObjectRemovedDelete
|
|
)
|
|
|
|
// Expand - returns expanded values of abbreviated event type.
|
|
func (name Name) Expand() []Name {
|
|
switch name {
|
|
case ObjectAccessedAll:
|
|
return []Name{ObjectAccessedGet, ObjectAccessedHead}
|
|
case ObjectCreatedAll:
|
|
return []Name{ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy, ObjectCreatedPost, ObjectCreatedPut}
|
|
case ObjectRemovedAll:
|
|
return []Name{ObjectRemovedDelete}
|
|
default:
|
|
return []Name{name}
|
|
}
|
|
}
|
|
|
|
// String - returns string representation of event type.
|
|
func (name Name) String() string {
|
|
switch name {
|
|
case ObjectAccessedAll:
|
|
return "s3:ObjectAccessed:*"
|
|
case ObjectAccessedGet:
|
|
return "s3:ObjectAccessed:Get"
|
|
case ObjectAccessedHead:
|
|
return "s3:ObjectAccessed:Head"
|
|
case ObjectCreatedAll:
|
|
return "s3:ObjectCreated:*"
|
|
case ObjectCreatedCompleteMultipartUpload:
|
|
return "s3:ObjectCreated:CompleteMultipartUpload"
|
|
case ObjectCreatedCopy:
|
|
return "s3:ObjectCreated:Copy"
|
|
case ObjectCreatedPost:
|
|
return "s3:ObjectCreated:Post"
|
|
case ObjectCreatedPut:
|
|
return "s3:ObjectCreated:Put"
|
|
case ObjectRemovedAll:
|
|
return "s3:ObjectRemoved:*"
|
|
case ObjectRemovedDelete:
|
|
return "s3:ObjectRemoved:Delete"
|
|
}
|
|
|
|
return ""
|
|
}
|
|
|
|
// MarshalXML - encodes to XML data.
|
|
func (name Name) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
|
|
return e.EncodeElement(name.String(), start)
|
|
}
|
|
|
|
// UnmarshalXML - decodes XML data.
|
|
func (name *Name) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
|
var s string
|
|
if err := d.DecodeElement(&s, &start); err != nil {
|
|
return err
|
|
}
|
|
|
|
eventName, err := ParseName(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
*name = eventName
|
|
return nil
|
|
}
|
|
|
|
// MarshalJSON - encodes to JSON data.
|
|
func (name Name) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(name.String())
|
|
}
|
|
|
|
// UnmarshalJSON - decodes JSON data.
|
|
func (name *Name) UnmarshalJSON(data []byte) error {
|
|
var s string
|
|
if err := json.Unmarshal(data, &s); err != nil {
|
|
return err
|
|
}
|
|
|
|
eventName, err := ParseName(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
*name = eventName
|
|
return nil
|
|
}
|
|
|
|
// ParseName - parses string to Name.
|
|
func ParseName(s string) (Name, error) {
|
|
switch s {
|
|
case "s3:ObjectAccessed:*":
|
|
return ObjectAccessedAll, nil
|
|
case "s3:ObjectAccessed:Get":
|
|
return ObjectAccessedGet, nil
|
|
case "s3:ObjectAccessed:Head":
|
|
return ObjectAccessedHead, nil
|
|
case "s3:ObjectCreated:*":
|
|
return ObjectCreatedAll, nil
|
|
case "s3:ObjectCreated:CompleteMultipartUpload":
|
|
return ObjectCreatedCompleteMultipartUpload, nil
|
|
case "s3:ObjectCreated:Copy":
|
|
return ObjectCreatedCopy, nil
|
|
case "s3:ObjectCreated:Post":
|
|
return ObjectCreatedPost, nil
|
|
case "s3:ObjectCreated:Put":
|
|
return ObjectCreatedPut, nil
|
|
case "s3:ObjectRemoved:*":
|
|
return ObjectRemovedAll, nil
|
|
case "s3:ObjectRemoved:Delete":
|
|
return ObjectRemovedDelete, nil
|
|
default:
|
|
return 0, &ErrInvalidEventName{s}
|
|
}
|
|
}
|