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getter.go
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getter.go
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package s3
import (
"context"
"errors"
"fmt"
"strings"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/s3"
"github.com/aws/aws-sdk-go-v2/service/s3/types"
"github.com/aws/smithy-go"
)
func GetListS3(s aws.Config) []types.Bucket {
svc := s3.NewFromConfig(s)
params := &s3.ListBucketsInput{}
resp, err := svc.ListBuckets(context.TODO(), params)
if err != nil {
fmt.Println(err)
// Return an empty list
return []types.Bucket{}
}
return resp.Buckets
}
func GetListS3NotInRegion(s aws.Config, region string) []types.Bucket {
svc := s3.NewFromConfig(s)
params := &s3.ListBucketsInput{}
resp, err := svc.ListBuckets(context.TODO(), params)
if err != nil {
fmt.Println(err)
// Return an empty list
return []types.Bucket{}
}
var buckets []types.Bucket
for _, bucket := range resp.Buckets {
check, _ := CheckS3Location(s, *bucket.Name, region)
if !check {
buckets = append(buckets, bucket)
}
}
return buckets
}
type S3toPublicBlockAccess struct {
BucketName string
Config bool
}
func GetS3ToPublicBlockAccess(s aws.Config, b []types.Bucket) []S3toPublicBlockAccess {
svc := s3.NewFromConfig(s)
var s3toPublicBlockAccess []S3toPublicBlockAccess
for _, bucket := range b {
params := &s3.GetPublicAccessBlockInput{
Bucket: aws.String(*bucket.Name),
}
resp, err := svc.GetPublicAccessBlock(context.TODO(), params)
if err != nil {
if resp != nil && resp.PublicAccessBlockConfiguration != nil && resp.PublicAccessBlockConfiguration.BlockPublicAcls {
s3toPublicBlockAccess = append(s3toPublicBlockAccess, S3toPublicBlockAccess{*bucket.Name, true})
} else {
s3toPublicBlockAccess = append(s3toPublicBlockAccess, S3toPublicBlockAccess{*bucket.Name, false})
}
} else {
s3toPublicBlockAccess = append(s3toPublicBlockAccess, S3toPublicBlockAccess{*bucket.Name, false})
}
}
return s3toPublicBlockAccess
}
type S3ToEncryption struct {
BucketName string
Encrypted bool
}
func GetS3ToEncryption(s aws.Config, b []types.Bucket) []S3ToEncryption {
svc := s3.NewFromConfig(s)
var s3toEncryption []S3ToEncryption
for _, bucket := range b {
params := &s3.GetBucketEncryptionInput{
Bucket: aws.String(*bucket.Name),
}
_, err := svc.GetBucketEncryption(context.TODO(), params)
if err != nil && !strings.Contains(err.Error(), "ServerSideEncryptionConfigurationNotFoundError") {
fmt.Println(err)
} else if err != nil {
s3toEncryption = append(s3toEncryption, S3ToEncryption{*bucket.Name, false})
} else {
s3toEncryption = append(s3toEncryption, S3ToEncryption{*bucket.Name, true})
}
}
return s3toEncryption
}
type S3ToVersioning struct {
BucketName string
Versioning bool
}
func GetS3ToVersioning(s aws.Config, b []types.Bucket) []S3ToVersioning {
svc := s3.NewFromConfig(s)
var s3toVersioning []S3ToVersioning
for _, bucket := range b {
params := &s3.GetBucketVersioningInput{
Bucket: aws.String(*bucket.Name),
}
resp, err := svc.GetBucketVersioning(context.TODO(), params)
if err != nil {
fmt.Println(err)
// return empty struct
return []S3ToVersioning{}
}
if resp.Status != types.BucketVersioningStatusEnabled {
s3toVersioning = append(s3toVersioning, S3ToVersioning{*bucket.Name, false})
} else {
s3toVersioning = append(s3toVersioning, S3ToVersioning{*bucket.Name, true})
}
}
return s3toVersioning
}
type S3ToObjectLock struct {
BucketName string
ObjectLock bool
}
func GetS3ToObjectLock(s aws.Config, b []types.Bucket) []S3ToObjectLock {
svc := s3.NewFromConfig(s)
var s3toObjectLock []S3ToObjectLock
for _, bucket := range b {
params := &s3.GetObjectLockConfigurationInput{
Bucket: aws.String(*bucket.Name),
}
resp, err := svc.GetObjectLockConfiguration(context.TODO(), params)
if err != nil || (resp.ObjectLockConfiguration != nil && resp.ObjectLockConfiguration.ObjectLockEnabled != "Enabled") {
s3toObjectLock = append(s3toObjectLock, S3ToObjectLock{*bucket.Name, false})
} else {
s3toObjectLock = append(s3toObjectLock, S3ToObjectLock{*bucket.Name, true})
}
}
return s3toObjectLock
}
type S3ToReplicationOtherRegion struct {
BucketName string
ReplicatedOtherRegion bool
OtherRegion string
}
func GetS3ToReplicationOtherRegion(s aws.Config, b []types.Bucket) []S3ToReplicationOtherRegion {
svc := s3.NewFromConfig(s)
var s3toReplicationOtherRegion []S3ToReplicationOtherRegion
for _, bucket := range b {
params := &s3.GetBucketReplicationInput{
Bucket: aws.String(*bucket.Name),
}
resp, err := svc.GetBucketReplication(context.TODO(), params)
if err != nil {
var ae smithy.APIError
if errors.As(err, &ae) && ae.ErrorCode() == "ReplicationConfigurationNotFoundError" {
s3toReplicationOtherRegion = append(s3toReplicationOtherRegion, S3ToReplicationOtherRegion{*bucket.Name, false, ""})
continue
}
fmt.Println(err)
// return empty struct
return []S3ToReplicationOtherRegion{}
}
if resp.ReplicationConfiguration == nil {
s3toReplicationOtherRegion = append(s3toReplicationOtherRegion, S3ToReplicationOtherRegion{*bucket.Name, false, ""})
} else {
// Check the region of destination buckets
found := false
for _, rule := range resp.ReplicationConfiguration.Rules {
replicationTarget := strings.TrimPrefix(*rule.Destination.Bucket, "arn:aws:s3:::")
if ok, otherRegion := CheckS3Location(s, replicationTarget, s.Region); !ok {
s3toReplicationOtherRegion = append(s3toReplicationOtherRegion, S3ToReplicationOtherRegion{*bucket.Name, true, otherRegion})
found = true
break // break the loop if at least one of the replication rule is to other region
}
}
// no destination rule to other region
if !found {
s3toReplicationOtherRegion = append(s3toReplicationOtherRegion, S3ToReplicationOtherRegion{*bucket.Name, false, ""})
}
}
}
return s3toReplicationOtherRegion
}