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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 (
"github.com/minio/madmin-go/v3"
)
const (
// NamespaceFormat - namespace log format used in some event targets.
NamespaceFormat = "namespace"
// AccessFormat - access log format used in some event targets.
AccessFormat = "access"
// AMZTimeFormat - event time format.
AMZTimeFormat = "2006-01-02T15:04:05.000Z"
// StoreExtension - file extension of an event file in store
StoreExtension = ".event"
)
// Identity represents access key who caused the event.
type Identity struct {
PrincipalID string `json:"principalId"`
}
// Bucket represents bucket metadata of the event.
type Bucket struct {
Name string `json:"name"`
OwnerIdentity Identity `json:"ownerIdentity"`
ARN string `json:"arn"`
}
// Object represents object metadata of the event.
type Object struct {
Key string `json:"key"`
Size int64 `json:"size,omitempty"`
ETag string `json:"eTag,omitempty"`
ContentType string `json:"contentType,omitempty"`
UserMetadata map[string]string `json:"userMetadata,omitempty"`
VersionID string `json:"versionId,omitempty"`
Sequencer string `json:"sequencer"`
}
// Metadata represents event metadata.
type Metadata struct {
SchemaVersion string `json:"s3SchemaVersion"`
ConfigurationID string `json:"configurationId"`
Bucket Bucket `json:"bucket"`
Object Object `json:"object"`
}
// Source represents client information who triggered the event.
type Source struct {
Host string `json:"host"`
Port string `json:"port"`
UserAgent string `json:"userAgent"`
}
// Event represents event notification information defined in
// http://docs.aws.amazon.com/AmazonS3/latest/dev/notification-content-structure.html.
type Event struct {
EventVersion string `json:"eventVersion"`
EventSource string `json:"eventSource"`
AwsRegion string `json:"awsRegion"`
EventTime string `json:"eventTime"`
EventName Name `json:"eventName"`
UserIdentity Identity `json:"userIdentity"`
RequestParameters map[string]string `json:"requestParameters"`
ResponseElements map[string]string `json:"responseElements"`
S3 Metadata `json:"s3"`
Source Source `json:"source"`
Type madmin.TraceType `json:"-"`
}
// Mask returns the type as mask.
func (e Event) Mask() uint64 {
return e.EventName.Mask()
}
// Log represents event information for some event targets.
type Log struct {
EventName Name
Key string
Records []Event
}