84 lines
1.9 KiB
Go
84 lines
1.9 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/xml"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ARN - SQS resource name representation.
|
||
|
|
type ARN struct {
|
||
|
|
TargetID
|
||
|
|
region string
|
||
|
|
}
|
||
|
|
|
||
|
|
// String - returns string representation.
|
||
|
|
func (arn ARN) String() string {
|
||
|
|
if arn.TargetID.ID == "" && arn.TargetID.Name == "" && arn.region == "" {
|
||
|
|
return ""
|
||
|
|
}
|
||
|
|
|
||
|
|
return "arn:minio:sqs:" + arn.region + ":" + arn.TargetID.String()
|
||
|
|
}
|
||
|
|
|
||
|
|
// MarshalXML - encodes to XML data.
|
||
|
|
func (arn ARN) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
|
||
|
|
return e.EncodeElement(arn.String(), start)
|
||
|
|
}
|
||
|
|
|
||
|
|
// UnmarshalXML - decodes XML data.
|
||
|
|
func (arn *ARN) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
||
|
|
var s string
|
||
|
|
if err := d.DecodeElement(&s, &start); err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
parsedARN, err := parseARN(s)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
*arn = *parsedARN
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// parseARN - parses string to ARN.
|
||
|
|
func parseARN(s string) (*ARN, error) {
|
||
|
|
// ARN must be in the format of arn:minio:sqs:<REGION>:<ID>:<TYPE>
|
||
|
|
if !strings.HasPrefix(s, "arn:minio:sqs:") {
|
||
|
|
return nil, &ErrInvalidARN{s}
|
||
|
|
}
|
||
|
|
|
||
|
|
tokens := strings.Split(s, ":")
|
||
|
|
if len(tokens) != 6 {
|
||
|
|
return nil, &ErrInvalidARN{s}
|
||
|
|
}
|
||
|
|
|
||
|
|
if tokens[4] == "" || tokens[5] == "" {
|
||
|
|
return nil, &ErrInvalidARN{s}
|
||
|
|
}
|
||
|
|
|
||
|
|
return &ARN{
|
||
|
|
region: tokens[3],
|
||
|
|
TargetID: TargetID{
|
||
|
|
ID: tokens[4],
|
||
|
|
Name: tokens[5],
|
||
|
|
},
|
||
|
|
}, nil
|
||
|
|
}
|