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Copy pathname.go
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Copy pathname.go
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311 lines (289 loc) · 8.95 KB
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// Copyright (c) 2015-2021 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 (
"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
// for most basic values we have since extend this and its not really much applicable other than a reference point.
// "s3:Replication:OperationCompletedReplication" is a MinIO extension.
type Name int
// Values of event Name
const (
// Single event types (does not require expansion)
ObjectAccessedGet Name = 1 + iota
ObjectAccessedGetRetention
ObjectAccessedGetLegalHold
ObjectAccessedHead
ObjectCreatedCompleteMultipartUpload
ObjectCreatedCopy
ObjectCreatedPost
ObjectCreatedPut
ObjectCreatedPutRetention
ObjectCreatedPutLegalHold
ObjectCreatedPutTagging
ObjectCreatedDeleteTagging
ObjectRemovedDelete
ObjectRemovedDeleteMarkerCreated
BucketCreated
BucketRemoved
ObjectReplicationFailed
ObjectReplicationComplete
ObjectReplicationMissedThreshold
ObjectReplicationReplicatedAfterThreshold
ObjectReplicationNotTracked
ObjectRestorePostInitiated
ObjectRestorePostCompleted
ObjectTransitionFailed
ObjectTransitionComplete
objectSingleTypesEnd
// Start Compound types that require expansion:
ObjectAccessedAll
ObjectCreatedAll
ObjectRemovedAll
ObjectReplicationAll
ObjectRestorePostAll
ObjectTransitionAll
)
// The number of single names should not exceed 64.
// This will break masking. Use bit 63 as extension.
var _ = uint64(1 << objectSingleTypesEnd)
// Expand - returns expanded values of abbreviated event type.
func (name Name) Expand() []Name {
switch name {
case ObjectAccessedAll:
return []Name{
ObjectAccessedGet, ObjectAccessedHead,
ObjectAccessedGetRetention, ObjectAccessedGetLegalHold,
}
case ObjectCreatedAll:
return []Name{
ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy,
ObjectCreatedPost, ObjectCreatedPut,
ObjectCreatedPutRetention, ObjectCreatedPutLegalHold,
ObjectCreatedPutTagging, ObjectCreatedDeleteTagging,
}
case ObjectRemovedAll:
return []Name{
ObjectRemovedDelete,
ObjectRemovedDeleteMarkerCreated,
}
case ObjectReplicationAll:
return []Name{
ObjectReplicationFailed,
ObjectReplicationComplete,
ObjectReplicationNotTracked,
ObjectReplicationMissedThreshold,
ObjectReplicationReplicatedAfterThreshold,
}
case ObjectRestorePostAll:
return []Name{
ObjectRestorePostInitiated,
ObjectRestorePostCompleted,
}
case ObjectTransitionAll:
return []Name{
ObjectTransitionFailed,
ObjectTransitionComplete,
}
default:
return []Name{name}
}
}
// Mask returns the type as mask.
// Compound "All" types are expanded.
func (name Name) Mask() uint64 {
if name < objectSingleTypesEnd {
return 1 << (name - 1)
}
var mask uint64
for _, n := range name.Expand() {
mask |= 1 << (n - 1)
}
return mask
}
// String - returns string representation of event type.
func (name Name) String() string {
switch name {
case BucketCreated:
return "s3:BucketCreated:*"
case BucketRemoved:
return "s3:BucketRemoved:*"
case ObjectAccessedAll:
return "s3:ObjectAccessed:*"
case ObjectAccessedGet:
return "s3:ObjectAccessed:Get"
case ObjectAccessedGetRetention:
return "s3:ObjectAccessed:GetRetention"
case ObjectAccessedGetLegalHold:
return "s3:ObjectAccessed:GetLegalHold"
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 ObjectCreatedPutTagging:
return "s3:ObjectCreated:PutTagging"
case ObjectCreatedDeleteTagging:
return "s3:ObjectCreated:DeleteTagging"
case ObjectCreatedPutRetention:
return "s3:ObjectCreated:PutRetention"
case ObjectCreatedPutLegalHold:
return "s3:ObjectCreated:PutLegalHold"
case ObjectRemovedAll:
return "s3:ObjectRemoved:*"
case ObjectRemovedDelete:
return "s3:ObjectRemoved:Delete"
case ObjectRemovedDeleteMarkerCreated:
return "s3:ObjectRemoved:DeleteMarkerCreated"
case ObjectReplicationAll:
return "s3:Replication:*"
case ObjectReplicationFailed:
return "s3:Replication:OperationFailedReplication"
case ObjectReplicationComplete:
return "s3:Replication:OperationCompletedReplication"
case ObjectReplicationNotTracked:
return "s3:Replication:OperationNotTracked"
case ObjectReplicationMissedThreshold:
return "s3:Replication:OperationMissedThreshold"
case ObjectReplicationReplicatedAfterThreshold:
return "s3:Replication:OperationReplicatedAfterThreshold"
case ObjectRestorePostInitiated:
return "s3:ObjectRestore:Post"
case ObjectRestorePostCompleted:
return "s3:ObjectRestore:Completed"
case ObjectTransitionAll:
return "s3:ObjectTransition:*"
case ObjectTransitionFailed:
return "s3:ObjectTransition:Failed"
case ObjectTransitionComplete:
return "s3:ObjectTransition:Complete"
}
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:BucketCreated:*":
return BucketCreated, nil
case "s3:BucketRemoved:*":
return BucketRemoved, nil
case "s3:ObjectAccessed:*":
return ObjectAccessedAll, nil
case "s3:ObjectAccessed:Get":
return ObjectAccessedGet, nil
case "s3:ObjectAccessed:GetRetention":
return ObjectAccessedGetRetention, nil
case "s3:ObjectAccessed:GetLegalHold":
return ObjectAccessedGetLegalHold, 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:ObjectCreated:PutRetention":
return ObjectCreatedPutRetention, nil
case "s3:ObjectCreated:PutLegalHold":
return ObjectCreatedPutLegalHold, nil
case "s3:ObjectCreated:PutTagging":
return ObjectCreatedPutTagging, nil
case "s3:ObjectCreated:DeleteTagging":
return ObjectCreatedDeleteTagging, nil
case "s3:ObjectRemoved:*":
return ObjectRemovedAll, nil
case "s3:ObjectRemoved:Delete":
return ObjectRemovedDelete, nil
case "s3:ObjectRemoved:DeleteMarkerCreated":
return ObjectRemovedDeleteMarkerCreated, nil
case "s3:Replication:*":
return ObjectReplicationAll, nil
case "s3:Replication:OperationFailedReplication":
return ObjectReplicationFailed, nil
case "s3:Replication:OperationCompletedReplication":
return ObjectReplicationComplete, nil
case "s3:Replication:OperationMissedThreshold":
return ObjectReplicationMissedThreshold, nil
case "s3:Replication:OperationReplicatedAfterThreshold":
return ObjectReplicationReplicatedAfterThreshold, nil
case "s3:Replication:OperationNotTracked":
return ObjectReplicationNotTracked, nil
case "s3:ObjectRestore:*":
return ObjectRestorePostAll, nil
case "s3:ObjectRestore:Post":
return ObjectRestorePostInitiated, nil
case "s3:ObjectRestore:Completed":
return ObjectRestorePostCompleted, nil
case "s3:ObjectTransition:Failed":
return ObjectTransitionFailed, nil
case "s3:ObjectTransition:Complete":
return ObjectTransitionComplete, nil
case "s3:ObjectTransition:*":
return ObjectTransitionAll, nil
default:
return 0, &ErrInvalidEventName{s}
}
}