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PutBucketAcl.go
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PutBucketAcl.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// snippet-start:[s3.go.put_bucket_acl]
package main
// snippet-start:[s3.go.put_bucket_acl.imports]
import (
"flag"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
)
// snippet-end:[s3.go.put_bucket_acl.imports]
// SetBucketACL gives a user access to a bucket
// Inputs:
//
// sess is the current session, which provides configuration for the SDK's service clients
// bucket is the name of the bucket
//
// Output:
//
// If success, the SOMETHING of the RESOURCE and nil
// Otherwise, an empty string and an error from the call to FUNCTION
func SetBucketACL(sess *session.Session, bucket, address, permission *string) error {
// snippet-start:[s3.go.put_bucket_acl.service_acl]
svc := s3.New(sess)
result, err := svc.GetBucketAcl(&s3.GetBucketAclInput{
Bucket: bucket,
})
// snippet-end:[s3.go.put_bucket_acl.service_acl]
if err != nil {
return err
}
// snippet-start:[s3.go.put_bucket_acl.add_grant]
owner := *result.Owner.DisplayName
ownerID := *result.Owner.ID
grants := result.Grants
var newGrantee = s3.Grantee{
EmailAddress: address,
Type: aws.String("AmazonCustomerByEmail"),
}
var newGrant = s3.Grant{
Grantee: &newGrantee,
Permission: permission,
}
grants = append(grants, &newGrant)
// snippet-end:[s3.go.put_bucket_acl.add_grant]
// snippet-start:[s3.go.put_bucket_acl.call]
_, err = svc.PutBucketAcl(&s3.PutBucketAclInput{
Bucket: bucket,
AccessControlPolicy: &s3.AccessControlPolicy{
Grants: grants,
Owner: &s3.Owner{
DisplayName: &owner,
ID: &ownerID,
},
},
})
// snippet-end:[s3.go.put_bucket_acl.call]
if err != nil {
return err
}
return nil
}
func main() {
// snippet-start:[s3.go.put_bucket_acl.args]
bucket := flag.String("b", "", "The bucket to read")
address := flag.String("e", "", "The email address of the reader")
permission := flag.String("p", "READ", "The type of permission (FULL_CONTROL, WRITE, WRITE_ACP, READ, or READ_ACP)")
flag.Parse()
if *bucket == "" || *address == "" {
fmt.Println("You must supply a bucket (-b BUCKET) and email address (-e ADDRESS)")
return
}
if !(*permission == "FULL_CONTROL" || *permission == "WRITE" || *permission == "WRITE_ACP" || *permission == "READ" || *permission == "READ_ACP") {
fmt.Println("Illegal permission value. It must be one of:")
fmt.Println("FULL_CONTROL, WRITE, WRITE_ACP, READ, or READ_ACP")
return
}
// snippet-end:[s3.go.put_bucket_acl.args]
// snippet-start:[s3.go.put_bucket_acl.session]
sess := session.Must(session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
}))
// snippet-end:[s3.go.put_bucket_acl.session]
err := SetBucketACL(sess, bucket, address, permission)
if err != nil {
fmt.Println("Got an error setting bucket ACL:")
fmt.Println(err)
return
}
// snippet-start:[s3.go.put_bucket_acl.print]
fmt.Println("Congratulations. You gave user with email address", address, permission, "permission to bucket", bucket)
// snippet-end:[s3.go.put_bucket_acl.print]
}
// snippet-end:[s3.go.put_bucket_acl]