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api_op_GetBucketPolicy.go
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api_op_GetBucketPolicy.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package s3control
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
s3controlcust "github.com/aws/aws-sdk-go-v2/service/s3control/internal/customizations"
smithy "github.com/aws/smithy-go"
"github.com/aws/smithy-go/middleware"
"github.com/aws/smithy-go/ptr"
smithyhttp "github.com/aws/smithy-go/transport/http"
"strings"
)
// This action gets a bucket policy for an Amazon S3 on Outposts bucket. To get a
// policy for an S3 bucket, see [GetBucketPolicy]in the Amazon S3 API Reference.
//
// Returns the policy of a specified Outposts bucket. For more information, see [Using Amazon S3 on Outposts]
// in the Amazon S3 User Guide.
//
// If you are using an identity other than the root user of the Amazon Web
// Services account that owns the bucket, the calling identity must have the
// GetBucketPolicy permissions on the specified bucket and belong to the bucket
// owner's account in order to use this action.
//
// Only users from Outposts bucket owner account with the right permissions can
// perform actions on an Outposts bucket. If you don't have
// s3-outposts:GetBucketPolicy permissions or you're not using an identity that
// belongs to the bucket owner's account, Amazon S3 returns a 403 Access Denied
// error.
//
// As a security precaution, the root user of the Amazon Web Services account that
// owns a bucket can always use this action, even if the policy explicitly denies
// the root user the ability to perform this action.
//
// For more information about bucket policies, see [Using Bucket Policies and User Policies].
//
// All Amazon S3 on Outposts REST API requests for this action require an
// additional parameter of x-amz-outpost-id to be passed with the request. In
// addition, you must use an S3 on Outposts endpoint hostname prefix instead of
// s3-control . For an example of the request syntax for Amazon S3 on Outposts that
// uses the S3 on Outposts endpoint hostname prefix and the x-amz-outpost-id
// derived by using the access point ARN, see the [Examples]section.
//
// The following actions are related to GetBucketPolicy :
//
// [GetObject]
//
// [PutBucketPolicy]
//
// [DeleteBucketPolicy]
//
// [PutBucketPolicy]: https://docs.aws.amazon.com/AmazonS3/latest/API/API_control_PutBucketPolicy.html
// [Using Bucket Policies and User Policies]: https://docs.aws.amazon.com/AmazonS3/latest/dev/using-iam-policies.html
// [DeleteBucketPolicy]: https://docs.aws.amazon.com/AmazonS3/latest/API/API_control_DeleteBucketPolicy.html
// [GetBucketPolicy]: https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketPolicy.html
// [GetObject]: https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObject.html
// [Using Amazon S3 on Outposts]: https://docs.aws.amazon.com/AmazonS3/latest/userguide/S3onOutposts.html
// [Examples]: https://docs.aws.amazon.com/AmazonS3/latest/API/API_control_GetBucketPolicy.html#API_control_GetBucketPolicy_Examples
func (c *Client) GetBucketPolicy(ctx context.Context, params *GetBucketPolicyInput, optFns ...func(*Options)) (*GetBucketPolicyOutput, error) {
if params == nil {
params = &GetBucketPolicyInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetBucketPolicy", params, optFns, c.addOperationGetBucketPolicyMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetBucketPolicyOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetBucketPolicyInput struct {
// The Amazon Web Services account ID of the Outposts bucket.
//
// This member is required.
AccountId *string
// Specifies the bucket.
//
// For using this parameter with Amazon S3 on Outposts with the REST API, you must
// specify the name and the x-amz-outpost-id as well.
//
// For using this parameter with S3 on Outposts with the Amazon Web Services SDK
// and CLI, you must specify the ARN of the bucket accessed in the format
// arn:aws:s3-outposts:::outpost//bucket/ . For example, to access the bucket
// reports through Outpost my-outpost owned by account 123456789012 in Region
// us-west-2 , use the URL encoding of
// arn:aws:s3-outposts:us-west-2:123456789012:outpost/my-outpost/bucket/reports .
// The value must be URL encoded.
//
// This member is required.
Bucket *string
noSmithyDocumentSerde
}
func (in *GetBucketPolicyInput) bindEndpointParams(p *EndpointParameters) {
p.AccountId = in.AccountId
p.Bucket = in.Bucket
p.RequiresAccountId = ptr.Bool(true)
}
type GetBucketPolicyOutput struct {
// The policy of the Outposts bucket.
Policy *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetBucketPolicyMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestxml_serializeOpGetBucketPolicy{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestxml_deserializeOpGetBucketPolicy{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "GetBucketPolicy"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = addRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = s3controlcust.AddUpdateOutpostARN(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addEndpointPrefix_opGetBucketPolicyMiddleware(stack); err != nil {
return err
}
if err = addOpGetBucketPolicyValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetBucketPolicy(options.Region), middleware.Before); err != nil {
return err
}
if err = addMetadataRetrieverMiddleware(stack); err != nil {
return err
}
if err = addRecursionDetection(stack); err != nil {
return err
}
if err = addGetBucketPolicyUpdateEndpoint(stack, options); err != nil {
return err
}
if err = addStashOperationInput(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = v4.AddContentSHA256HeaderMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
if err = s3controlcust.AddDisableHostPrefixMiddleware(stack); err != nil {
return err
}
return nil
}
func (m *GetBucketPolicyInput) GetARNMember() (*string, bool) {
if m.Bucket == nil {
return nil, false
}
return m.Bucket, true
}
func (m *GetBucketPolicyInput) SetARNMember(v string) error {
m.Bucket = &v
return nil
}
type endpointPrefix_opGetBucketPolicyMiddleware struct {
}
func (*endpointPrefix_opGetBucketPolicyMiddleware) ID() string {
return "EndpointHostPrefix"
}
func (m *endpointPrefix_opGetBucketPolicyMiddleware) HandleFinalize(ctx context.Context, in middleware.FinalizeInput, next middleware.FinalizeHandler) (
out middleware.FinalizeOutput, metadata middleware.Metadata, err error,
) {
if smithyhttp.GetHostnameImmutable(ctx) || smithyhttp.IsEndpointHostPrefixDisabled(ctx) {
return next.HandleFinalize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
opaqueInput := getOperationInput(ctx)
input, ok := opaqueInput.(*GetBucketPolicyInput)
if !ok {
return out, metadata, fmt.Errorf("unknown input type %T", opaqueInput)
}
var prefix strings.Builder
if input.AccountId == nil {
return out, metadata, &smithy.SerializationError{Err: fmt.Errorf("AccountId forms part of the endpoint host and so may not be nil")}
} else if !smithyhttp.ValidHostLabel(*input.AccountId) {
return out, metadata, &smithy.SerializationError{Err: fmt.Errorf("AccountId forms part of the endpoint host and so must match \"[a-zA-Z0-9-]{1,63}\", but was \"%s\"", *input.AccountId)}
} else {
prefix.WriteString(*input.AccountId)
}
prefix.WriteString(".")
req.URL.Host = prefix.String() + req.URL.Host
return next.HandleFinalize(ctx, in)
}
func addEndpointPrefix_opGetBucketPolicyMiddleware(stack *middleware.Stack) error {
return stack.Finalize.Insert(&endpointPrefix_opGetBucketPolicyMiddleware{}, "ResolveEndpointV2", middleware.After)
}
func newServiceMetadataMiddleware_opGetBucketPolicy(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "GetBucketPolicy",
}
}
func copyGetBucketPolicyInputForUpdateEndpoint(params interface{}) (interface{}, error) {
input, ok := params.(*GetBucketPolicyInput)
if !ok {
return nil, fmt.Errorf("expect *GetBucketPolicyInput type, got %T", params)
}
cpy := *input
return &cpy, nil
}
func (in *GetBucketPolicyInput) copy() interface{} {
v := *in
return &v
}
func getGetBucketPolicyARNMember(input interface{}) (*string, bool) {
in := input.(*GetBucketPolicyInput)
if in.Bucket == nil {
return nil, false
}
return in.Bucket, true
}
func setGetBucketPolicyARNMember(input interface{}, v string) error {
in := input.(*GetBucketPolicyInput)
in.Bucket = &v
return nil
}
func backFillGetBucketPolicyAccountID(input interface{}, v string) error {
in := input.(*GetBucketPolicyInput)
if in.AccountId != nil {
if !strings.EqualFold(*in.AccountId, v) {
return fmt.Errorf("error backfilling account id")
}
return nil
}
in.AccountId = &v
return nil
}
func addGetBucketPolicyUpdateEndpoint(stack *middleware.Stack, options Options) error {
return s3controlcust.UpdateEndpoint(stack, s3controlcust.UpdateEndpointOptions{
Accessor: s3controlcust.UpdateEndpointParameterAccessor{GetARNInput: getGetBucketPolicyARNMember,
BackfillAccountID: backFillGetBucketPolicyAccountID,
GetOutpostIDInput: nopGetOutpostIDFromInput,
UpdateARNField: setGetBucketPolicyARNMember,
CopyInput: copyGetBucketPolicyInputForUpdateEndpoint,
},
EndpointResolver: options.EndpointResolver,
EndpointResolverOptions: options.EndpointOptions,
UseARNRegion: options.UseARNRegion,
})
}