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85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package event
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import (
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"encoding/xml"
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"strings"
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)
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// ARN - SQS resource name representation.
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type ARN struct {
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TargetID
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region string
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}
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// String - returns string representation.
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func (arn ARN) String() string {
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if arn.TargetID.ID == "" && arn.TargetID.Name == "" && arn.region == "" {
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return ""
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}
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return "arn:minio:sqs:" + arn.region + ":" + arn.TargetID.String()
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}
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// MarshalXML - encodes to XML data.
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func (arn ARN) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
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return e.EncodeElement(arn.String(), start)
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}
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// UnmarshalXML - decodes XML data.
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func (arn *ARN) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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var s string
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if err := d.DecodeElement(&s, &start); err != nil {
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return err
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}
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parsedARN, err := parseARN(s)
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if err != nil {
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return err
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}
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*arn = *parsedARN
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return nil
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}
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// parseARN - parses string to ARN.
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func parseARN(s string) (*ARN, error) {
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// ARN must be in the format of arn:minio:sqs:<REGION>:<ID>:<TYPE>
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if !strings.HasPrefix(s, "arn:minio:sqs:") {
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return nil, &ErrInvalidARN{s}
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}
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tokens := strings.Split(s, ":")
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if len(tokens) != 6 {
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return nil, &ErrInvalidARN{s}
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}
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if tokens[4] == "" || tokens[5] == "" {
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return nil, &ErrInvalidARN{s}
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}
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return &ARN{
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region: tokens[3],
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TargetID: TargetID{
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ID: tokens[4],
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Name: tokens[5],
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},
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}, nil
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}
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