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440 lines
16 KiB
Go
440 lines
16 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 iampolicy
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import (
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"github.com/minio/minio/pkg/bucket/policy/condition"
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"github.com/minio/minio/pkg/wildcard"
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)
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// Action - policy action.
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// Refer https://docs.aws.amazon.com/IAM/latest/UserGuide/list_amazons3.html
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// for more information about available actions.
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type Action string
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const (
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// AbortMultipartUploadAction - AbortMultipartUpload Rest API action.
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AbortMultipartUploadAction Action = "s3:AbortMultipartUpload"
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// CreateBucketAction - CreateBucket Rest API action.
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CreateBucketAction = "s3:CreateBucket"
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// DeleteBucketAction - DeleteBucket Rest API action.
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DeleteBucketAction = "s3:DeleteBucket"
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// ForceDeleteBucketAction - DeleteBucket Rest API action when x-minio-force-delete flag
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// is specified.
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ForceDeleteBucketAction = "s3:ForceDeleteBucket"
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// DeleteBucketPolicyAction - DeleteBucketPolicy Rest API action.
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DeleteBucketPolicyAction = "s3:DeleteBucketPolicy"
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// DeleteObjectAction - DeleteObject Rest API action.
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DeleteObjectAction = "s3:DeleteObject"
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// GetBucketLocationAction - GetBucketLocation Rest API action.
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GetBucketLocationAction = "s3:GetBucketLocation"
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// GetBucketNotificationAction - GetBucketNotification Rest API action.
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GetBucketNotificationAction = "s3:GetBucketNotification"
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// GetBucketPolicyAction - GetBucketPolicy Rest API action.
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GetBucketPolicyAction = "s3:GetBucketPolicy"
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// GetObjectAction - GetObject Rest API action.
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GetObjectAction = "s3:GetObject"
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// HeadBucketAction - HeadBucket Rest API action. This action is unused in minio.
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HeadBucketAction = "s3:HeadBucket"
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// ListAllMyBucketsAction - ListAllMyBuckets (List buckets) Rest API action.
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ListAllMyBucketsAction = "s3:ListAllMyBuckets"
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// ListBucketAction - ListBucket Rest API action.
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ListBucketAction = "s3:ListBucket"
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// GetBucketPolicyStatusAction - Retrieves the policy status for a bucket.
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GetBucketPolicyStatusAction = "s3:GetBucketPolicyStatus"
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// ListBucketVersionsAction - ListBucketVersions Rest API action.
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ListBucketVersionsAction = "s3:ListBucketVersions"
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// ListBucketMultipartUploadsAction - ListMultipartUploads Rest API action.
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ListBucketMultipartUploadsAction = "s3:ListBucketMultipartUploads"
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// ListenNotificationAction - ListenNotification Rest API action.
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// This is MinIO extension.
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ListenNotificationAction = "s3:ListenNotification"
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// ListenBucketNotificationAction - ListenBucketNotification Rest API action.
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// This is MinIO extension.
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ListenBucketNotificationAction = "s3:ListenBucketNotification"
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// ListMultipartUploadPartsAction - ListParts Rest API action.
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ListMultipartUploadPartsAction = "s3:ListMultipartUploadParts"
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// PutBucketLifecycleAction - PutBucketLifecycle Rest API action.
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PutBucketLifecycleAction = "s3:PutLifecycleConfiguration"
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// GetBucketLifecycleAction - GetBucketLifecycle Rest API action.
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GetBucketLifecycleAction = "s3:GetLifecycleConfiguration"
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// PutBucketNotificationAction - PutObjectNotification Rest API action.
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PutBucketNotificationAction = "s3:PutBucketNotification"
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// PutBucketPolicyAction - PutBucketPolicy Rest API action.
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PutBucketPolicyAction = "s3:PutBucketPolicy"
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// PutObjectAction - PutObject Rest API action.
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PutObjectAction = "s3:PutObject"
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// DeleteObjectVersionAction - DeleteObjectVersion Rest API action.
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DeleteObjectVersionAction = "s3:DeleteObjectVersion"
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// DeleteObjectVersionTaggingAction - DeleteObjectVersionTagging Rest API action.
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DeleteObjectVersionTaggingAction = "s3:DeleteObjectVersionTagging"
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// GetObjectVersionAction - GetObjectVersionAction Rest API action.
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GetObjectVersionAction = "s3:GetObjectVersion"
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// GetObjectVersionTaggingAction - GetObjectVersionTagging Rest API action.
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GetObjectVersionTaggingAction = "s3:GetObjectVersionTagging"
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// PutObjectVersionTaggingAction - PutObjectVersionTagging Rest API action.
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PutObjectVersionTaggingAction = "s3:PutObjectVersionTagging"
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// BypassGovernanceRetentionAction - bypass governance retention for PutObjectRetention, PutObject and DeleteObject Rest API action.
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BypassGovernanceRetentionAction = "s3:BypassGovernanceRetention"
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// PutObjectRetentionAction - PutObjectRetention Rest API action.
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PutObjectRetentionAction = "s3:PutObjectRetention"
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// GetObjectRetentionAction - GetObjectRetention, GetObject, HeadObject Rest API action.
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GetObjectRetentionAction = "s3:GetObjectRetention"
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// GetObjectLegalHoldAction - GetObjectLegalHold, GetObject Rest API action.
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GetObjectLegalHoldAction = "s3:GetObjectLegalHold"
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// PutObjectLegalHoldAction - PutObjectLegalHold, PutObject Rest API action.
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PutObjectLegalHoldAction = "s3:PutObjectLegalHold"
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// GetBucketObjectLockConfigurationAction - GetBucketObjectLockConfiguration Rest API action
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GetBucketObjectLockConfigurationAction = "s3:GetBucketObjectLockConfiguration"
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// PutBucketObjectLockConfigurationAction - PutBucketObjectLockConfiguration Rest API action
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PutBucketObjectLockConfigurationAction = "s3:PutBucketObjectLockConfiguration"
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// GetBucketTaggingAction - GetBucketTagging Rest API action
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GetBucketTaggingAction = "s3:GetBucketTagging"
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// PutBucketTaggingAction - PutBucketTagging Rest API action
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PutBucketTaggingAction = "s3:PutBucketTagging"
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// GetObjectTaggingAction - Get Object Tags API action
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GetObjectTaggingAction = "s3:GetObjectTagging"
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// PutObjectTaggingAction - Put Object Tags API action
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PutObjectTaggingAction = "s3:PutObjectTagging"
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// DeleteObjectTaggingAction - Delete Object Tags API action
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DeleteObjectTaggingAction = "s3:DeleteObjectTagging"
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// PutBucketEncryptionAction - PutBucketEncryption REST API action
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PutBucketEncryptionAction = "s3:PutEncryptionConfiguration"
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// GetBucketEncryptionAction - GetBucketEncryption REST API action
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GetBucketEncryptionAction = "s3:GetEncryptionConfiguration"
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// PutBucketVersioningAction - PutBucketVersioning REST API action
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PutBucketVersioningAction = "s3:PutBucketVersioning"
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// GetBucketVersioningAction - GetBucketVersioning REST API action
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GetBucketVersioningAction = "s3:GetBucketVersioning"
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// GetReplicationConfigurationAction - GetReplicationConfiguration REST API action
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GetReplicationConfigurationAction = "s3:GetReplicationConfiguration"
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// PutReplicationConfigurationAction - PutReplicationConfiguration REST API action
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PutReplicationConfigurationAction = "s3:PutReplicationConfiguration"
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// ReplicateObjectAction - ReplicateObject REST API action
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ReplicateObjectAction = "s3:ReplicateObject"
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// ReplicateDeleteAction - ReplicateDelete REST API action
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ReplicateDeleteAction = "s3:ReplicateDelete"
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// ReplicateTagsAction - ReplicateTags REST API action
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ReplicateTagsAction = "s3:ReplicateTags"
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// GetObjectVersionForReplicationAction - GetObjectVersionForReplication REST API action
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GetObjectVersionForReplicationAction = "s3:GetObjectVersionForReplication"
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// AllActions - all API actions
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AllActions = "s3:*"
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)
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// List of all supported actions.
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var supportedActions = map[Action]struct{}{
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AbortMultipartUploadAction: {},
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CreateBucketAction: {},
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DeleteBucketAction: {},
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ForceDeleteBucketAction: {},
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DeleteBucketPolicyAction: {},
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DeleteObjectAction: {},
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GetBucketLocationAction: {},
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GetBucketNotificationAction: {},
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GetBucketPolicyAction: {},
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GetObjectAction: {},
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HeadBucketAction: {},
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ListAllMyBucketsAction: {},
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ListBucketAction: {},
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GetBucketPolicyStatusAction: {},
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ListBucketVersionsAction: {},
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ListBucketMultipartUploadsAction: {},
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ListenNotificationAction: {},
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ListenBucketNotificationAction: {},
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ListMultipartUploadPartsAction: {},
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PutBucketLifecycleAction: {},
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GetBucketLifecycleAction: {},
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PutBucketNotificationAction: {},
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PutBucketPolicyAction: {},
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PutObjectAction: {},
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BypassGovernanceRetentionAction: {},
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PutObjectRetentionAction: {},
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GetObjectRetentionAction: {},
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GetObjectLegalHoldAction: {},
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PutObjectLegalHoldAction: {},
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GetBucketObjectLockConfigurationAction: {},
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PutBucketObjectLockConfigurationAction: {},
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GetBucketTaggingAction: {},
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PutBucketTaggingAction: {},
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GetObjectVersionAction: {},
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GetObjectVersionTaggingAction: {},
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DeleteObjectVersionAction: {},
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DeleteObjectVersionTaggingAction: {},
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PutObjectVersionTaggingAction: {},
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GetObjectTaggingAction: {},
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PutObjectTaggingAction: {},
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DeleteObjectTaggingAction: {},
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PutBucketEncryptionAction: {},
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GetBucketEncryptionAction: {},
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PutBucketVersioningAction: {},
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GetBucketVersioningAction: {},
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GetReplicationConfigurationAction: {},
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PutReplicationConfigurationAction: {},
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ReplicateObjectAction: {},
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ReplicateDeleteAction: {},
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ReplicateTagsAction: {},
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GetObjectVersionForReplicationAction: {},
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AllActions: {},
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}
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// List of all supported object actions.
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var supportedObjectActions = map[Action]struct{}{
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AllActions: {},
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AbortMultipartUploadAction: {},
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DeleteObjectAction: {},
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GetObjectAction: {},
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ListMultipartUploadPartsAction: {},
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PutObjectAction: {},
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BypassGovernanceRetentionAction: {},
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PutObjectRetentionAction: {},
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GetObjectRetentionAction: {},
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PutObjectLegalHoldAction: {},
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GetObjectLegalHoldAction: {},
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GetObjectTaggingAction: {},
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PutObjectTaggingAction: {},
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DeleteObjectTaggingAction: {},
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GetObjectVersionAction: {},
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GetObjectVersionTaggingAction: {},
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DeleteObjectVersionAction: {},
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DeleteObjectVersionTaggingAction: {},
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PutObjectVersionTaggingAction: {},
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ReplicateObjectAction: {},
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ReplicateDeleteAction: {},
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ReplicateTagsAction: {},
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GetObjectVersionForReplicationAction: {},
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}
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// isObjectAction - returns whether action is object type or not.
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func (action Action) isObjectAction() bool {
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for supAction := range supportedObjectActions {
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if action.Match(supAction) {
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return true
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}
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}
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return false
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}
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// Match - matches action name with action patter.
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func (action Action) Match(a Action) bool {
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return wildcard.Match(string(action), string(a))
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}
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// IsValid - checks if action is valid or not.
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func (action Action) IsValid() bool {
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for supAction := range supportedActions {
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if action.Match(supAction) {
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return true
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}
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}
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return false
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}
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type actionConditionKeyMap map[Action]condition.KeySet
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func (a actionConditionKeyMap) Lookup(action Action) condition.KeySet {
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var ckeysMerged = condition.NewKeySet(condition.CommonKeys...)
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for act, ckey := range a {
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if action.Match(act) {
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ckeysMerged.Merge(ckey)
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}
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}
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return ckeysMerged
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}
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// iamActionConditionKeyMap - holds mapping of supported condition key for an action.
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var iamActionConditionKeyMap = actionConditionKeyMap{
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AllActions: condition.NewKeySet(condition.AllSupportedKeys...),
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GetObjectAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3XAmzServerSideEncryption,
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condition.S3XAmzServerSideEncryptionCustomerAlgorithm,
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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ListBucketAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3Prefix,
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condition.S3Delimiter,
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condition.S3MaxKeys,
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}, condition.CommonKeys...)...),
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ListBucketVersionsAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3Prefix,
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condition.S3Delimiter,
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condition.S3MaxKeys,
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}, condition.CommonKeys...)...),
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DeleteObjectAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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PutObjectAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3XAmzCopySource,
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condition.S3XAmzServerSideEncryption,
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condition.S3XAmzServerSideEncryptionCustomerAlgorithm,
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condition.S3XAmzMetadataDirective,
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condition.S3XAmzStorageClass,
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condition.S3VersionID,
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condition.S3ObjectLockRetainUntilDate,
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condition.S3ObjectLockMode,
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condition.S3ObjectLockLegalHold,
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}, condition.CommonKeys...)...),
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// https://docs.aws.amazon.com/AmazonS3/latest/dev/list_amazons3.html
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// LockLegalHold is not supported with PutObjectRetentionAction
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PutObjectRetentionAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3XAmzServerSideEncryption,
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condition.S3XAmzServerSideEncryptionCustomerAlgorithm,
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condition.S3ObjectLockRemainingRetentionDays,
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condition.S3ObjectLockRetainUntilDate,
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condition.S3ObjectLockMode,
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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GetObjectRetentionAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3XAmzServerSideEncryption,
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condition.S3XAmzServerSideEncryptionCustomerAlgorithm,
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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PutObjectLegalHoldAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3XAmzServerSideEncryption,
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condition.S3XAmzServerSideEncryptionCustomerAlgorithm,
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condition.S3ObjectLockLegalHold,
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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GetObjectLegalHoldAction: condition.NewKeySet(condition.CommonKeys...),
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// https://docs.aws.amazon.com/AmazonS3/latest/dev/list_amazons3.html
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BypassGovernanceRetentionAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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condition.S3ObjectLockRemainingRetentionDays,
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condition.S3ObjectLockRetainUntilDate,
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condition.S3ObjectLockMode,
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condition.S3ObjectLockLegalHold,
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}, condition.CommonKeys...)...),
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PutObjectTaggingAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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GetObjectTaggingAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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DeleteObjectTaggingAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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PutObjectVersionTaggingAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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GetObjectVersionAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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GetObjectVersionTaggingAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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DeleteObjectVersionAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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DeleteObjectVersionTaggingAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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ReplicateObjectAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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ReplicateDeleteAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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ReplicateTagsAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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GetObjectVersionForReplicationAction: condition.NewKeySet(
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append([]condition.Key{
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condition.S3VersionID,
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}, condition.CommonKeys...)...),
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}
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