mirror of
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141 lines
4.3 KiB
Go
141 lines
4.3 KiB
Go
/*
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* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minio
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import (
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"encoding/xml"
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)
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// S3 notification events
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type Event string
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const (
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ObjectCreatedAll Event = "s3:ObjectCreated:*"
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ObjectCreatePut = "s3:ObjectCreated:Put"
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ObjectCreatedPost = "s3:ObjectCreated:Post"
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ObjectCreatedCopy = "s3:ObjectCreated:Copy"
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ObjectCreatedCompleteMultipartUpload = "sh:ObjectCreated:CompleteMultipartUpload"
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ObjectRemovedAll = "s3:ObjectRemoved:*"
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ObjectRemovedDelete = "s3:ObjectRemoved:Delete"
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ObjectRemovedDeleteMarkerCreated = "s3:ObjectRemoved:DeleteMarkerCreated"
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ObjectReducedRedundancyLostObject = "s3:ReducedRedundancyLostObject"
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)
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type FilterRule struct {
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Name string `xml:"Name"`
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Value string `xml:"Value"`
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}
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type S3Key struct {
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FilterRules []FilterRule `xml:"FilterRule,omitempty"`
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}
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type Filter struct {
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S3Key S3Key `xml:"S3Key,omitempty"`
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}
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// Arn - holds ARN information that will be sent to the web service
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type Arn struct {
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Partition string
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Service string
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Region string
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AccountID string
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Resource string
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}
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func NewArn(partition, service, region, accountID, resource string) Arn {
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return Arn{Partition: partition,
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Service: service,
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Region: region,
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AccountID: accountID,
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Resource: resource}
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}
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func (arn Arn) String() string {
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return "arn:" + arn.Partition + ":" + arn.Service + ":" + arn.Region + ":" + arn.AccountID + ":" + arn.Resource
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}
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// NotificationConfig - represents one single notification configuration
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// such as topic, queue or lambda configuration.
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type NotificationConfig struct {
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Id string `xml:"Id,omitempty"`
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Arn Arn `xml:"-"`
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Events []Event `xml:"Event"`
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Filter *Filter `xml:"Filter,omitempty"`
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}
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func NewNotificationConfig(arn Arn) NotificationConfig {
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return NotificationConfig{Arn: arn}
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}
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func (t *NotificationConfig) AddEvents(events ...Event) {
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t.Events = append(t.Events, events...)
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}
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func (t *NotificationConfig) AddFilterSuffix(suffix string) {
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if t.Filter == nil {
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t.Filter = &Filter{}
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}
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t.Filter.S3Key.FilterRules = append(t.Filter.S3Key.FilterRules, FilterRule{Name: "suffix", Value: suffix})
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}
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func (t *NotificationConfig) AddFilterPrefix(prefix string) {
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if t.Filter == nil {
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t.Filter = &Filter{}
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}
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t.Filter.S3Key.FilterRules = append(t.Filter.S3Key.FilterRules, FilterRule{Name: "prefix", Value: prefix})
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}
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// Topic notification config
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type TopicConfig struct {
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NotificationConfig
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Topic string `xml:"Topic"`
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}
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type QueueConfig struct {
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NotificationConfig
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Queue string `xml:"Queue"`
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}
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type LambdaConfig struct {
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NotificationConfig
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Lambda string `xml:"CloudFunction"`
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}
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// BucketNotification - the struct that represents the whole XML to be sent to the web service
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type BucketNotification struct {
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XMLName xml.Name `xml:"NotificationConfiguration"`
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LambdaConfigs []LambdaConfig `xml:"CloudFunctionConfiguration"`
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TopicConfigs []TopicConfig `xml:"TopicConfiguration"`
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QueueConfigs []QueueConfig `xml:"QueueConfiguration"`
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}
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func (b *BucketNotification) AddTopic(topicConfig NotificationConfig) {
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config := TopicConfig{NotificationConfig: topicConfig, Topic: topicConfig.Arn.String()}
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b.TopicConfigs = append(b.TopicConfigs, config)
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}
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func (b *BucketNotification) AddQueue(queueConfig NotificationConfig) {
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config := QueueConfig{NotificationConfig: queueConfig, Queue: queueConfig.Arn.String()}
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b.QueueConfigs = append(b.QueueConfigs, config)
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}
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func (b *BucketNotification) AddLambda(lambdaConfig NotificationConfig) {
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config := LambdaConfig{NotificationConfig: lambdaConfig, Lambda: lambdaConfig.Arn.String()}
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b.LambdaConfigs = append(b.LambdaConfigs, config)
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}
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