minio/internal/config/lambda/event/arn.go

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// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package event
import (
"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:s3-object-lambda:" + arn.region + ":" + arn.TargetID.String()
}
// ParseARN - parses string to ARN.
func ParseARN(s string) (*ARN, error) {
// ARN must be in the format of arn:minio:s3-object-lambda:<REGION>:<ID>:<TYPE>
if !strings.HasPrefix(s, "arn:minio:s3-object-lambda:") {
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
}