src

api_client.go (30015B)

---

 // Code generated by smithy-go-codegen DO NOT EDIT.
 
 package signin
 
 import (
 	"context"
 	cryptorand "crypto/rand"
 	"errors"
 	"fmt"
 	"net"
 	"net/http"
 	"sync/atomic"
 	"time"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/aws/defaults"
 	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
 	"github.com/aws/aws-sdk-go-v2/aws/retry"
 	v4 "github.com/aws/aws-sdk-go-v2/aws/signer/v4"
 	awshttp "github.com/aws/aws-sdk-go-v2/aws/transport/http"
 	internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
 	internalauthsmithy "github.com/aws/aws-sdk-go-v2/internal/auth/smithy"
 	internalConfig "github.com/aws/aws-sdk-go-v2/internal/configsources"
 	smithy "github.com/aws/smithy-go"
 	smithydocument "github.com/aws/smithy-go/document"
 	"github.com/aws/smithy-go/logging"
 	"github.com/aws/smithy-go/metrics"
 	"github.com/aws/smithy-go/middleware"
 	smithyrand "github.com/aws/smithy-go/rand"
 	"github.com/aws/smithy-go/tracing"
 	smithyhttp "github.com/aws/smithy-go/transport/http"
 )
 
 const ServiceID = "Signin"
 const ServiceAPIVersion = "2023-01-01"
 
 type operationMetrics struct {
 	Duration                metrics.Float64Histogram
 	SerializeDuration       metrics.Float64Histogram
 	ResolveIdentityDuration metrics.Float64Histogram
 	ResolveEndpointDuration metrics.Float64Histogram
 	SignRequestDuration     metrics.Float64Histogram
 	DeserializeDuration     metrics.Float64Histogram
 }
 
 func (m *operationMetrics) histogramFor(name string) metrics.Float64Histogram {
 	switch name {
 	case "client.call.duration":
 		return m.Duration
 	case "client.call.serialization_duration":
 		return m.SerializeDuration
 	case "client.call.resolve_identity_duration":
 		return m.ResolveIdentityDuration
 	case "client.call.resolve_endpoint_duration":
 		return m.ResolveEndpointDuration
 	case "client.call.signing_duration":
 		return m.SignRequestDuration
 	case "client.call.deserialization_duration":
 		return m.DeserializeDuration
 	default:
 		panic("unrecognized operation metric")
 	}
 }
 
 func timeOperationMetric[T any](
 	ctx context.Context, metric string, fn func() (T, error),
 	opts ...metrics.RecordMetricOption,
 ) (T, error) {
 	mm := getOperationMetrics(ctx)
 	if mm == nil { // not using the metrics system
 		return fn()
 	}
 
 	instr := mm.histogramFor(metric)
 	opts = append([]metrics.RecordMetricOption{withOperationMetadata(ctx)}, opts...)
 
 	start := time.Now()
 	v, err := fn()
 	end := time.Now()
 
 	elapsed := end.Sub(start)
 	instr.Record(ctx, float64(elapsed)/1e9, opts...)
 	return v, err
 }
 
 func startMetricTimer(ctx context.Context, metric string, opts ...metrics.RecordMetricOption) func() {
 	mm := getOperationMetrics(ctx)
 	if mm == nil { // not using the metrics system
 		return func() {}
 	}
 
 	instr := mm.histogramFor(metric)
 	opts = append([]metrics.RecordMetricOption{withOperationMetadata(ctx)}, opts...)
 
 	var ended bool
 	start := time.Now()
 	return func() {
 		if ended {
 			return
 		}
 		ended = true
 
 		end := time.Now()
 
 		elapsed := end.Sub(start)
 		instr.Record(ctx, float64(elapsed)/1e9, opts...)
 	}
 }
 
 func withOperationMetadata(ctx context.Context) metrics.RecordMetricOption {
 	return func(o *metrics.RecordMetricOptions) {
 		o.Properties.Set("rpc.service", middleware.GetServiceID(ctx))
 		o.Properties.Set("rpc.method", middleware.GetOperationName(ctx))
 	}
 }
 
 type operationMetricsKey struct{}
 
 func withOperationMetrics(parent context.Context, mp metrics.MeterProvider) (context.Context, error) {
 	if _, ok := mp.(metrics.NopMeterProvider); ok {
 		// not using the metrics system - setting up the metrics context is a memory-intensive operation
 		// so we should skip it in this case
 		return parent, nil
 	}
 
 	meter := mp.Meter("github.com/aws/aws-sdk-go-v2/service/signin")
 	om := &operationMetrics{}
 
 	var err error
 
 	om.Duration, err = operationMetricTimer(meter, "client.call.duration",
 		"Overall call duration (including retries and time to send or receive request and response body)")
 	if err != nil {
 		return nil, err
 	}
 	om.SerializeDuration, err = operationMetricTimer(meter, "client.call.serialization_duration",
 		"The time it takes to serialize a message body")
 	if err != nil {
 		return nil, err
 	}
 	om.ResolveIdentityDuration, err = operationMetricTimer(meter, "client.call.auth.resolve_identity_duration",
 		"The time taken to acquire an identity (AWS credentials, bearer token, etc) from an Identity Provider")
 	if err != nil {
 		return nil, err
 	}
 	om.ResolveEndpointDuration, err = operationMetricTimer(meter, "client.call.resolve_endpoint_duration",
 		"The time it takes to resolve an endpoint (endpoint resolver, not DNS) for the request")
 	if err != nil {
 		return nil, err
 	}
 	om.SignRequestDuration, err = operationMetricTimer(meter, "client.call.auth.signing_duration",
 		"The time it takes to sign a request")
 	if err != nil {
 		return nil, err
 	}
 	om.DeserializeDuration, err = operationMetricTimer(meter, "client.call.deserialization_duration",
 		"The time it takes to deserialize a message body")
 	if err != nil {
 		return nil, err
 	}
 
 	return context.WithValue(parent, operationMetricsKey{}, om), nil
 }
 
 func operationMetricTimer(m metrics.Meter, name, desc string) (metrics.Float64Histogram, error) {
 	return m.Float64Histogram(name, func(o *metrics.InstrumentOptions) {
 		o.UnitLabel = "s"
 		o.Description = desc
 	})
 }
 
 func getOperationMetrics(ctx context.Context) *operationMetrics {
 	if v := ctx.Value(operationMetricsKey{}); v != nil {
 		return v.(*operationMetrics)
 	}
 	return nil
 }
 
 func operationTracer(p tracing.TracerProvider) tracing.Tracer {
 	return p.Tracer("github.com/aws/aws-sdk-go-v2/service/signin")
 }
 
 // Client provides the API client to make operations call for AWS Sign-In Service.
 type Client struct {
 	options Options
 
 	// Difference between the time reported by the server and the client
 	timeOffset *atomic.Int64
 }
 
 // New returns an initialized Client based on the functional options. Provide
 // additional functional options to further configure the behavior of the client,
 // such as changing the client's endpoint or adding custom middleware behavior.
 func New(options Options, optFns ...func(*Options)) *Client {
 	options = options.Copy()
 
 	resolveDefaultLogger(&options)
 
 	setResolvedDefaultsMode(&options)
 
 	resolveRetryer(&options)
 
 	resolveHTTPClient(&options)
 
 	resolveHTTPSignerV4(&options)
 
 	resolveIdempotencyTokenProvider(&options)
 
 	resolveEndpointResolverV2(&options)
 
 	resolveTracerProvider(&options)
 
 	resolveMeterProvider(&options)
 
 	resolveAuthSchemeResolver(&options)
 
 	for _, fn := range optFns {
 		fn(&options)
 	}
 
 	finalizeRetryMaxAttempts(&options)
 
 	ignoreAnonymousAuth(&options)
 
 	wrapWithAnonymousAuth(&options)
 
 	resolveAuthSchemes(&options)
 
 	client := &Client{
 		options: options,
 	}
 
 	initializeTimeOffsetResolver(client)
 
 	return client
 }
 
 // Options returns a copy of the client configuration.
 //
 // Callers SHOULD NOT perform mutations on any inner structures within client
 // config. Config overrides should instead be made on a per-operation basis through
 // functional options.
 func (c *Client) Options() Options {
 	return c.options.Copy()
 }
 
 func (c *Client) invokeOperation(
 	ctx context.Context, opID string, params interface{}, optFns []func(*Options), stackFns ...func(*middleware.Stack, Options) error,
 ) (
 	result interface{}, metadata middleware.Metadata, err error,
 ) {
 	ctx = middleware.ClearStackValues(ctx)
 	ctx = middleware.WithServiceID(ctx, ServiceID)
 	ctx = middleware.WithOperationName(ctx, opID)
 
 	stack := middleware.NewStack(opID, smithyhttp.NewStackRequest)
 	options := c.options.Copy()
 
 	for _, fn := range optFns {
 		fn(&options)
 	}
 
 	finalizeOperationRetryMaxAttempts(&options, *c)
 
 	finalizeClientEndpointResolverOptions(&options)
 
 	ctx = setLoggerContext(ctx, options, opID)
 
 	ctx = resolveServiceMetadata(ctx, options, opID)
 
 	if err := c.addCommonMiddlewares(stack, options, opID); err != nil {
 		return nil, metadata, err
 	}
 
 	for _, fn := range stackFns {
 		if err := fn(stack, options); err != nil {
 			return nil, metadata, err
 		}
 	}
 
 	for _, fn := range options.APIOptions {
 		if err := fn(stack); err != nil {
 			return nil, metadata, err
 		}
 	}
 
 	ctx, err = withOperationMetrics(ctx, options.MeterProvider)
 	if err != nil {
 		return nil, metadata, err
 	}
 
 	tracer := operationTracer(options.TracerProvider)
 	spanName := fmt.Sprintf("%s.%s", ServiceID, opID)
 
 	ctx = tracing.WithOperationTracer(ctx, tracer)
 
 	ctx, span := tracer.StartSpan(ctx, spanName, func(o *tracing.SpanOptions) {
 		o.Kind = tracing.SpanKindClient
 		o.Properties.Set("rpc.system", "aws-api")
 		o.Properties.Set("rpc.method", opID)
 		o.Properties.Set("rpc.service", ServiceID)
 	})
 	endTimer := startMetricTimer(ctx, "client.call.duration")
 	defer endTimer()
 	defer span.End()
 
 	handler := smithyhttp.NewClientHandlerWithOptions(options.HTTPClient, func(o *smithyhttp.ClientHandler) {
 		o.Meter = options.MeterProvider.Meter("github.com/aws/aws-sdk-go-v2/service/signin")
 	})
 	decorated := middleware.DecorateHandler(handler, stack)
 	result, metadata, err = decorated.Handle(ctx, params)
 	if err != nil {
 		span.SetProperty("exception.type", fmt.Sprintf("%T", err))
 		span.SetProperty("exception.message", err.Error())
 
 		var aerr smithy.APIError
 		if errors.As(err, &aerr) {
 			span.SetProperty("api.error_code", aerr.ErrorCode())
 			span.SetProperty("api.error_message", aerr.ErrorMessage())
 			span.SetProperty("api.error_fault", aerr.ErrorFault().String())
 		}
 
 		err = &smithy.OperationError{
 			ServiceID:     ServiceID,
 			OperationName: opID,
 			Err:           err,
 		}
 	}
 
 	span.SetProperty("error", err != nil)
 	if err == nil {
 		span.SetStatus(tracing.SpanStatusOK)
 	} else {
 		span.SetStatus(tracing.SpanStatusError)
 	}
 
 	return result, metadata, err
 }
 
 type operationInputKey struct{}
 
 func setOperationInput(ctx context.Context, input interface{}) context.Context {
 	return middleware.WithStackValue(ctx, operationInputKey{}, input)
 }
 
 func getOperationInput(ctx context.Context) interface{} {
 	return middleware.GetStackValue(ctx, operationInputKey{})
 }
 
 type setOperationInputMiddleware struct {
 }
 
 func (*setOperationInputMiddleware) ID() string {
 	return "setOperationInput"
 }
 
 func (m *setOperationInputMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
 	out middleware.SerializeOutput, metadata middleware.Metadata, err error,
 ) {
 	ctx = setOperationInput(ctx, in.Parameters)
 	return next.HandleSerialize(ctx, in)
 }
 
 func addProtocolFinalizerMiddlewares(stack *middleware.Stack, options Options, operation string) error {
 	if err := stack.Finalize.Add(&resolveAuthSchemeMiddleware{operation: operation, options: options}, middleware.Before); err != nil {
 		return fmt.Errorf("add ResolveAuthScheme: %w", err)
 	}
 	if err := stack.Finalize.Insert(&getIdentityMiddleware{options: options}, "ResolveAuthScheme", middleware.After); err != nil {
 		return fmt.Errorf("add GetIdentity: %v", err)
 	}
 	if err := stack.Finalize.Insert(&resolveEndpointV2Middleware{options: options}, "GetIdentity", middleware.After); err != nil {
 		return fmt.Errorf("add ResolveEndpointV2: %v", err)
 	}
 	if err := stack.Finalize.Insert(&signRequestMiddleware{options: options}, "ResolveEndpointV2", middleware.After); err != nil {
 		return fmt.Errorf("add Signing: %w", err)
 	}
 	return nil
 }
 
 func (c *Client) addCommonMiddlewares(stack *middleware.Stack, options Options, operation string) error {
 	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
 		return err
 	}
 	if err := addProtocolFinalizerMiddlewares(stack, options, operation); err != nil {
 		return fmt.Errorf("add protocol finalizers: %v", err)
 	}
 	if err := addClientRequestID(stack); err != nil {
 		return err
 	}
 	if err := addRetry(stack, options, c); err != nil {
 		return err
 	}
 	if err := addRawResponseToMetadata(stack); err != nil {
 		return err
 	}
 	if err := addSpanRetryLoop(stack, options); err != nil {
 		return err
 	}
 	if err := addClientUserAgent(stack, options); err != nil {
 		return err
 	}
 	if err := addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
 		return err
 	}
 	if err := addUserAgentRetryMode(stack, options); err != nil {
 		return err
 	}
 	if err := addRecursionDetection(stack); err != nil {
 		return err
 	}
 	if err := addInterceptBeforeRetryLoop(stack, options); err != nil {
 		return err
 	}
 	if err := addInterceptAttempt(stack, options); err != nil {
 		return err
 	}
 	return nil
 }
 func resolveAuthSchemeResolver(options *Options) {
 	if options.AuthSchemeResolver == nil {
 		options.AuthSchemeResolver = &defaultAuthSchemeResolver{}
 	}
 }
 
 func resolveAuthSchemes(options *Options) {
 	if options.AuthSchemes == nil {
 		options.AuthSchemes = []smithyhttp.AuthScheme{
 			internalauth.NewHTTPAuthScheme("aws.auth#sigv4", &internalauthsmithy.V4SignerAdapter{
 				Signer:     options.HTTPSignerV4,
 				Logger:     options.Logger,
 				LogSigning: options.ClientLogMode.IsSigning(),
 			}),
 		}
 	}
 }
 
 type noSmithyDocumentSerde = smithydocument.NoSerde
 
 func resolveDefaultLogger(o *Options) {
 	if o.Logger != nil {
 		return
 	}
 	o.Logger = logging.Nop{}
 }
 
 func setLoggerContext(ctx context.Context, options Options, operation string) context.Context {
 	_ = operation
 	return middleware.SetLogger(ctx, options.Logger)
 }
 
 func setResolvedDefaultsMode(o *Options) {
 	if len(o.resolvedDefaultsMode) > 0 {
 		return
 	}
 
 	var mode aws.DefaultsMode
 	mode.SetFromString(string(o.DefaultsMode))
 
 	if mode == aws.DefaultsModeAuto {
 		mode = defaults.ResolveDefaultsModeAuto(o.Region, o.RuntimeEnvironment)
 	}
 
 	o.resolvedDefaultsMode = mode
 }
 
 // NewFromConfig returns a new client from the provided config.
 func NewFromConfig(cfg aws.Config, optFns ...func(*Options)) *Client {
 	opts := Options{
 		Region:                     cfg.Region,
 		DefaultsMode:               cfg.DefaultsMode,
 		RuntimeEnvironment:         cfg.RuntimeEnvironment,
 		HTTPClient:                 cfg.HTTPClient,
 		Credentials:                cfg.Credentials,
 		APIOptions:                 cfg.APIOptions,
 		Logger:                     cfg.Logger,
 		ClientLogMode:              cfg.ClientLogMode,
 		AppID:                      cfg.AppID,
 		DisableClockSkewCorrection: cfg.DisableClockSkewCorrection,
 		AuthSchemePreference:       cfg.AuthSchemePreference,
 	}
 	resolveAWSRetryerProvider(cfg, &opts)
 	resolveAWSRetryMaxAttempts(cfg, &opts)
 	resolveAWSRetryMode(cfg, &opts)
 	resolveAWSEndpointResolver(cfg, &opts)
 	resolveInterceptors(cfg, &opts)
 	resolveUseDualStackEndpoint(cfg, &opts)
 	resolveUseFIPSEndpoint(cfg, &opts)
 	resolveBaseEndpoint(cfg, &opts)
 	return New(opts, func(o *Options) {
 		for _, opt := range cfg.ServiceOptions {
 			opt(ServiceID, o)
 		}
 		for _, opt := range optFns {
 			opt(o)
 		}
 	})
 }
 
 func resolveHTTPClient(o *Options) {
 	var buildable *awshttp.BuildableClient
 
 	if o.HTTPClient != nil {
 		var ok bool
 		buildable, ok = o.HTTPClient.(*awshttp.BuildableClient)
 		if !ok {
 			return
 		}
 	} else {
 		buildable = awshttp.NewBuildableClient()
 	}
 
 	modeConfig, err := defaults.GetModeConfiguration(o.resolvedDefaultsMode)
 	if err == nil {
 		buildable = buildable.WithDialerOptions(func(dialer *net.Dialer) {
 			if dialerTimeout, ok := modeConfig.GetConnectTimeout(); ok {
 				dialer.Timeout = dialerTimeout
 			}
 		})
 
 		buildable = buildable.WithTransportOptions(func(transport *http.Transport) {
 			if tlsHandshakeTimeout, ok := modeConfig.GetTLSNegotiationTimeout(); ok {
 				transport.TLSHandshakeTimeout = tlsHandshakeTimeout
 			}
 		})
 	}
 
 	o.HTTPClient = buildable
 }
 
 func resolveRetryer(o *Options) {
 	if o.Retryer != nil {
 		return
 	}
 
 	if len(o.RetryMode) == 0 {
 		modeConfig, err := defaults.GetModeConfiguration(o.resolvedDefaultsMode)
 		if err == nil {
 			o.RetryMode = modeConfig.RetryMode
 		}
 	}
 	if len(o.RetryMode) == 0 {
 		o.RetryMode = aws.RetryModeStandard
 	}
 
 	var standardOptions []func(*retry.StandardOptions)
 	if v := o.RetryMaxAttempts; v != 0 {
 		standardOptions = append(standardOptions, func(so *retry.StandardOptions) {
 			so.MaxAttempts = v
 		})
 	}
 
 	switch o.RetryMode {
 	case aws.RetryModeAdaptive:
 		var adaptiveOptions []func(*retry.AdaptiveModeOptions)
 		if len(standardOptions) != 0 {
 			adaptiveOptions = append(adaptiveOptions, func(ao *retry.AdaptiveModeOptions) {
 				ao.StandardOptions = append(ao.StandardOptions, standardOptions...)
 			})
 		}
 		o.Retryer = retry.NewAdaptiveMode(adaptiveOptions...)
 
 	default:
 		o.Retryer = retry.NewStandard(standardOptions...)
 	}
 }
 
 func resolveAWSRetryerProvider(cfg aws.Config, o *Options) {
 	if cfg.Retryer == nil {
 		return
 	}
 	o.Retryer = cfg.Retryer()
 }
 
 func resolveAWSRetryMode(cfg aws.Config, o *Options) {
 	if len(cfg.RetryMode) == 0 {
 		return
 	}
 	o.RetryMode = cfg.RetryMode
 }
 func resolveAWSRetryMaxAttempts(cfg aws.Config, o *Options) {
 	if cfg.RetryMaxAttempts == 0 {
 		return
 	}
 	o.RetryMaxAttempts = cfg.RetryMaxAttempts
 }
 
 func finalizeRetryMaxAttempts(o *Options) {
 	if o.RetryMaxAttempts == 0 {
 		return
 	}
 
 	o.Retryer = retry.AddWithMaxAttempts(o.Retryer, o.RetryMaxAttempts)
 }
 
 func finalizeOperationRetryMaxAttempts(o *Options, client Client) {
 	if v := o.RetryMaxAttempts; v == 0 || v == client.options.RetryMaxAttempts {
 		return
 	}
 
 	o.Retryer = retry.AddWithMaxAttempts(o.Retryer, o.RetryMaxAttempts)
 }
 
 func resolveAWSEndpointResolver(cfg aws.Config, o *Options) {
 	if cfg.EndpointResolver == nil && cfg.EndpointResolverWithOptions == nil {
 		return
 	}
 	o.EndpointResolver = withEndpointResolver(cfg.EndpointResolver, cfg.EndpointResolverWithOptions)
 }
 
 func resolveInterceptors(cfg aws.Config, o *Options) {
 	o.Interceptors = cfg.Interceptors.Copy()
 }
 
 func addClientUserAgent(stack *middleware.Stack, options Options) error {
 	ua, err := getOrAddRequestUserAgent(stack)
 	if err != nil {
 		return err
 	}
 
 	ua.AddSDKAgentKeyValue(awsmiddleware.APIMetadata, "signin", goModuleVersion)
 	if len(options.AppID) > 0 {
 		ua.AddSDKAgentKey(awsmiddleware.ApplicationIdentifier, options.AppID)
 	}
 
 	return nil
 }
 
 func getOrAddRequestUserAgent(stack *middleware.Stack) (*awsmiddleware.RequestUserAgent, error) {
 	id := (*awsmiddleware.RequestUserAgent)(nil).ID()
 	mw, ok := stack.Build.Get(id)
 	if !ok {
 		mw = awsmiddleware.NewRequestUserAgent()
 		if err := stack.Build.Add(mw, middleware.After); err != nil {
 			return nil, err
 		}
 	}
 
 	ua, ok := mw.(*awsmiddleware.RequestUserAgent)
 	if !ok {
 		return nil, fmt.Errorf("%T for %s middleware did not match expected type", mw, id)
 	}
 
 	return ua, nil
 }
 
 type HTTPSignerV4 interface {
 	SignHTTP(ctx context.Context, credentials aws.Credentials, r *http.Request, payloadHash string, service string, region string, signingTime time.Time, optFns ...func(*v4.SignerOptions)) error
 }
 
 func resolveHTTPSignerV4(o *Options) {
 	if o.HTTPSignerV4 != nil {
 		return
 	}
 	o.HTTPSignerV4 = newDefaultV4Signer(*o)
 }
 
 func newDefaultV4Signer(o Options) *v4.Signer {
 	return v4.NewSigner(func(so *v4.SignerOptions) {
 		so.Logger = o.Logger
 		so.LogSigning = o.ClientLogMode.IsSigning()
 	})
 }
 
 func addClientRequestID(stack *middleware.Stack) error {
 	return stack.Build.Add(&awsmiddleware.ClientRequestID{}, middleware.After)
 }
 
 func addComputeContentLength(stack *middleware.Stack) error {
 	return stack.Build.Insert(&smithyhttp.ComputeContentLength{}, "ClientRequestID", middleware.After)
 }
 
 func addRawResponseToMetadata(stack *middleware.Stack) error {
 	return stack.Deserialize.Add(&awsmiddleware.AddRawResponse{}, middleware.Before)
 }
 
 func addRecordResponseTiming(stack *middleware.Stack, options Options) error {
 	return stack.Deserialize.Add(&awsmiddleware.RecordResponseTiming{
 		DisableClockSkewCorrection: options.DisableClockSkewCorrection,
 	}, middleware.After)
 }
 
 func addSpanRetryLoop(stack *middleware.Stack, options Options) error {
 	return stack.Finalize.Insert(&spanRetryLoop{options: options}, "Retry", middleware.Before)
 }
 
 type spanRetryLoop struct {
 	options Options
 }
 
 func (*spanRetryLoop) ID() string {
 	return "spanRetryLoop"
 }
 
 func (m *spanRetryLoop) HandleFinalize(
 	ctx context.Context, in middleware.FinalizeInput, next middleware.FinalizeHandler,
 ) (
 	middleware.FinalizeOutput, middleware.Metadata, error,
 ) {
 	tracer := operationTracer(m.options.TracerProvider)
 	ctx, span := tracer.StartSpan(ctx, "RetryLoop")
 	defer span.End()
 
 	return next.HandleFinalize(ctx, in)
 }
 func addStreamingEventsPayload(stack *middleware.Stack) error {
 	return stack.Finalize.Add(&v4.StreamingEventsPayload{}, middleware.Before)
 }
 
 func addUnsignedPayload(stack *middleware.Stack) error {
 	return stack.Finalize.Insert(&v4.UnsignedPayload{}, "ResolveEndpointV2", middleware.After)
 }
 
 func addComputePayloadSHA256(stack *middleware.Stack) error {
 	return stack.Finalize.Insert(&v4.ComputePayloadSHA256{}, "ResolveEndpointV2", middleware.After)
 }
 
 func addContentSHA256Header(stack *middleware.Stack) error {
 	return stack.Finalize.Insert(&v4.ContentSHA256Header{}, (*v4.ComputePayloadSHA256)(nil).ID(), middleware.After)
 }
 
 func addIsWaiterUserAgent(o *Options) {
 	o.APIOptions = append(o.APIOptions, func(stack *middleware.Stack) error {
 		ua, err := getOrAddRequestUserAgent(stack)
 		if err != nil {
 			return err
 		}
 
 		ua.AddUserAgentFeature(awsmiddleware.UserAgentFeatureWaiter)
 		return nil
 	})
 }
 
 func addIsPaginatorUserAgent(o *Options) {
 	o.APIOptions = append(o.APIOptions, func(stack *middleware.Stack) error {
 		ua, err := getOrAddRequestUserAgent(stack)
 		if err != nil {
 			return err
 		}
 
 		ua.AddUserAgentFeature(awsmiddleware.UserAgentFeaturePaginator)
 		return nil
 	})
 }
 
 func resolveIdempotencyTokenProvider(o *Options) {
 	if o.IdempotencyTokenProvider != nil {
 		return
 	}
 	o.IdempotencyTokenProvider = smithyrand.NewUUIDIdempotencyToken(cryptorand.Reader)
 }
 
 func addRetry(stack *middleware.Stack, o Options, c *Client) error {
 	attempt := retry.NewAttemptMiddleware(o.Retryer, smithyhttp.RequestCloner, func(m *retry.Attempt) {
 		m.LogAttempts = o.ClientLogMode.IsRetries()
 		m.OperationMeter = o.MeterProvider.Meter("github.com/aws/aws-sdk-go-v2/service/signin")
 		m.ClientSkew = c.timeOffset
 		m.DisableClockSkewCorrection = o.DisableClockSkewCorrection
 	})
 	if err := stack.Finalize.Insert(attempt, "ResolveAuthScheme", middleware.Before); err != nil {
 		return err
 	}
 	if err := stack.Finalize.Insert(&retry.MetricsHeader{}, attempt.ID(), middleware.After); err != nil {
 		return err
 	}
 	return nil
 }
 
 // resolves dual-stack endpoint configuration
 func resolveUseDualStackEndpoint(cfg aws.Config, o *Options) error {
 	if len(cfg.ConfigSources) == 0 {
 		return nil
 	}
 	value, found, err := internalConfig.ResolveUseDualStackEndpoint(context.Background(), cfg.ConfigSources)
 	if err != nil {
 		return err
 	}
 	if found {
 		o.EndpointOptions.UseDualStackEndpoint = value
 	}
 	return nil
 }
 
 // resolves FIPS endpoint configuration
 func resolveUseFIPSEndpoint(cfg aws.Config, o *Options) error {
 	if len(cfg.ConfigSources) == 0 {
 		return nil
 	}
 	value, found, err := internalConfig.ResolveUseFIPSEndpoint(context.Background(), cfg.ConfigSources)
 	if err != nil {
 		return err
 	}
 	if found {
 		o.EndpointOptions.UseFIPSEndpoint = value
 	}
 	return nil
 }
 
 func initializeTimeOffsetResolver(c *Client) {
 	c.timeOffset = new(atomic.Int64)
 }
 
 func addUserAgentRetryMode(stack *middleware.Stack, options Options) error {
 	ua, err := getOrAddRequestUserAgent(stack)
 	if err != nil {
 		return err
 	}
 
 	switch options.Retryer.(type) {
 	case *retry.Standard:
 		ua.AddUserAgentFeature(awsmiddleware.UserAgentFeatureRetryModeStandard)
 	case *retry.AdaptiveMode:
 		ua.AddUserAgentFeature(awsmiddleware.UserAgentFeatureRetryModeAdaptive)
 	}
 	return nil
 }
 
 type setCredentialSourceMiddleware struct {
 	ua      *awsmiddleware.RequestUserAgent
 	options Options
 }
 
 func (m setCredentialSourceMiddleware) ID() string { return "SetCredentialSourceMiddleware" }
 
 func (m setCredentialSourceMiddleware) HandleBuild(ctx context.Context, in middleware.BuildInput, next middleware.BuildHandler) (
 	out middleware.BuildOutput, metadata middleware.Metadata, err error,
 ) {
 	asProviderSource, ok := m.options.Credentials.(aws.CredentialProviderSource)
 	if !ok {
 		return next.HandleBuild(ctx, in)
 	}
 	providerSources := asProviderSource.ProviderSources()
 	for _, source := range providerSources {
 		m.ua.AddCredentialsSource(source)
 	}
 	return next.HandleBuild(ctx, in)
 }
 
 func addCredentialSource(stack *middleware.Stack, options Options) error {
 	ua, err := getOrAddRequestUserAgent(stack)
 	if err != nil {
 		return err
 	}
 
 	mw := setCredentialSourceMiddleware{ua: ua, options: options}
 	return stack.Build.Insert(&mw, "UserAgent", middleware.Before)
 }
 
 func resolveTracerProvider(options *Options) {
 	if options.TracerProvider == nil {
 		options.TracerProvider = &tracing.NopTracerProvider{}
 	}
 }
 
 func resolveMeterProvider(options *Options) {
 	if options.MeterProvider == nil {
 		options.MeterProvider = metrics.NopMeterProvider{}
 	}
 }
 
 // IdempotencyTokenProvider interface for providing idempotency token
 type IdempotencyTokenProvider interface {
 	GetIdempotencyToken() (string, error)
 }
 
 func resolveServiceMetadata(ctx context.Context, options Options, operation string) context.Context {
 	ctx = awsmiddleware.SetServiceID(ctx, ServiceID)
 	if options.Region != "" {
 		ctx = awsmiddleware.SetRegion(ctx, options.Region)
 	}
 	ctx = awsmiddleware.SetOperationName(ctx, operation)
 	if options.EndpointResolver != nil {
 		ctx = awsmiddleware.SetRequiresLegacyEndpoints(ctx, true)
 	}
 	return ctx
 }
 
 func addRecursionDetection(stack *middleware.Stack) error {
 	return stack.Build.Add(&awsmiddleware.RecursionDetection{}, middleware.After)
 }
 
 func addRequestIDRetrieverMiddleware(stack *middleware.Stack) error {
 	return stack.Deserialize.Insert(&awsmiddleware.RequestIDRetriever{}, "OperationDeserializer", middleware.Before)
 
 }
 
 func addResponseErrorMiddleware(stack *middleware.Stack) error {
 	return stack.Deserialize.Insert(&awshttp.ResponseErrorWrapper{}, "RequestIDRetriever", middleware.Before)
 
 }
 
 func addRequestResponseLogging(stack *middleware.Stack, o Options) error {
 	return stack.Deserialize.Add(&smithyhttp.RequestResponseLogger{
 		LogRequest:          o.ClientLogMode.IsRequest(),
 		LogRequestWithBody:  o.ClientLogMode.IsRequestWithBody(),
 		LogResponse:         o.ClientLogMode.IsResponse(),
 		LogResponseWithBody: o.ClientLogMode.IsResponseWithBody(),
 	}, middleware.After)
 }
 
 type disableHTTPSMiddleware struct {
 	DisableHTTPS bool
 }
 
 func (*disableHTTPSMiddleware) ID() string {
 	return "disableHTTPS"
 }
 
 func (m *disableHTTPSMiddleware) HandleFinalize(ctx context.Context, in middleware.FinalizeInput, next middleware.FinalizeHandler) (
 	out middleware.FinalizeOutput, metadata middleware.Metadata, err error,
 ) {
 	req, ok := in.Request.(*smithyhttp.Request)
 	if !ok {
 		return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
 	}
 
 	if m.DisableHTTPS && !smithyhttp.GetHostnameImmutable(ctx) {
 		req.URL.Scheme = "http"
 	}
 
 	return next.HandleFinalize(ctx, in)
 }
 
 func addDisableHTTPSMiddleware(stack *middleware.Stack, o Options) error {
 	return stack.Finalize.Insert(&disableHTTPSMiddleware{
 		DisableHTTPS: o.EndpointOptions.DisableHTTPS,
 	}, "ResolveEndpointV2", middleware.After)
 }
 
 func addInterceptBeforeRetryLoop(stack *middleware.Stack, opts Options) error {
 	return stack.Finalize.Insert(&smithyhttp.InterceptBeforeRetryLoop{
 		Interceptors: opts.Interceptors.BeforeRetryLoop,
 	}, "Retry", middleware.Before)
 }
 
 func addInterceptAttempt(stack *middleware.Stack, opts Options) error {
 	return stack.Finalize.Insert(&smithyhttp.InterceptAttempt{
 		BeforeAttempt: opts.Interceptors.BeforeAttempt,
 		AfterAttempt:  opts.Interceptors.AfterAttempt,
 	}, "Retry", middleware.After)
 }
 
 func addInterceptors(stack *middleware.Stack, opts Options) error {
 	// middlewares are expensive, don't add all of these interceptor ones unless the caller
 	// actually has at least one interceptor configured
 	//
 	// at the moment it's all-or-nothing because some of the middlewares here are responsible for
 	// setting fields in the interceptor context for future ones
 	if len(opts.Interceptors.BeforeExecution) == 0 &&
 		len(opts.Interceptors.BeforeSerialization) == 0 && len(opts.Interceptors.AfterSerialization) == 0 &&
 		len(opts.Interceptors.BeforeRetryLoop) == 0 &&
 		len(opts.Interceptors.BeforeAttempt) == 0 &&
 		len(opts.Interceptors.BeforeSigning) == 0 && len(opts.Interceptors.AfterSigning) == 0 &&
 		len(opts.Interceptors.BeforeTransmit) == 0 && len(opts.Interceptors.AfterTransmit) == 0 &&
 		len(opts.Interceptors.BeforeDeserialization) == 0 && len(opts.Interceptors.AfterDeserialization) == 0 &&
 		len(opts.Interceptors.AfterAttempt) == 0 && len(opts.Interceptors.AfterExecution) == 0 {
 		return nil
 	}
 
 	return errors.Join(
 		stack.Initialize.Add(&smithyhttp.InterceptExecution{
 			BeforeExecution: opts.Interceptors.BeforeExecution,
 			AfterExecution:  opts.Interceptors.AfterExecution,
 		}, middleware.Before),
 		stack.Serialize.Insert(&smithyhttp.InterceptBeforeSerialization{
 			Interceptors: opts.Interceptors.BeforeSerialization,
 		}, "OperationSerializer", middleware.Before),
 		stack.Serialize.Insert(&smithyhttp.InterceptAfterSerialization{
 			Interceptors: opts.Interceptors.AfterSerialization,
 		}, "OperationSerializer", middleware.After),
 		stack.Finalize.Insert(&smithyhttp.InterceptBeforeSigning{
 			Interceptors: opts.Interceptors.BeforeSigning,
 		}, "Signing", middleware.Before),
 		stack.Finalize.Insert(&smithyhttp.InterceptAfterSigning{
 			Interceptors: opts.Interceptors.AfterSigning,
 		}, "Signing", middleware.After),
 		stack.Deserialize.Add(&smithyhttp.InterceptTransmit{
 			BeforeTransmit: opts.Interceptors.BeforeTransmit,
 			AfterTransmit:  opts.Interceptors.AfterTransmit,
 		}, middleware.After),
 		stack.Deserialize.Insert(&smithyhttp.InterceptBeforeDeserialization{
 			Interceptors: opts.Interceptors.BeforeDeserialization,
 		}, "OperationDeserializer", middleware.After), // (deserialize stack is called in reverse)
 		stack.Deserialize.Insert(&smithyhttp.InterceptAfterDeserialization{
 			Interceptors: opts.Interceptors.AfterDeserialization,
 		}, "OperationDeserializer", middleware.Before),
 	)
 }