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// Code generated by smithy-go-codegen DO NOT EDIT.
package sts
import (
"context"
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"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
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awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
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internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
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"github.com/aws/aws-sdk-go-v2/service/sts/types"
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smithyendpoints "github.com/aws/smithy-go/endpoints"
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"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns a set of temporary security credentials for users who have been
// authenticated via a SAML authentication response. This operation provides a
// mechanism for tying an enterprise identity store or directory to role-based
// Amazon Web Services access without user-specific credentials or configuration.
// For a comparison of AssumeRoleWithSAML with the other API operations that
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// produce temporary credentials, see Requesting Temporary Security Credentials (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html)
// and Comparing the Amazon Web Services STS API operations (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison)
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// in the IAM User Guide. The temporary security credentials returned by this
// operation consist of an access key ID, a secret access key, and a security
// token. Applications can use these temporary security credentials to sign calls
// to Amazon Web Services services. Session Duration By default, the temporary
// security credentials created by AssumeRoleWithSAML last for one hour. However,
// you can use the optional DurationSeconds parameter to specify the duration of
// your session. Your role session lasts for the duration that you specify, or
// until the time specified in the SAML authentication response's
// SessionNotOnOrAfter value, whichever is shorter. You can provide a
// DurationSeconds value from 900 seconds (15 minutes) up to the maximum session
// duration setting for the role. This setting can have a value from 1 hour to 12
// hours. To learn how to view the maximum value for your role, see View the
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// Maximum Session Duration Setting for a Role (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html#id_roles_use_view-role-max-session)
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// in the IAM User Guide. The maximum session duration limit applies when you use
// the AssumeRole* API operations or the assume-role* CLI commands. However the
// limit does not apply when you use those operations to create a console URL. For
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// more information, see Using IAM Roles (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html)
// in the IAM User Guide. Role chaining (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_terms-and-concepts.html#iam-term-role-chaining)
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// limits your CLI or Amazon Web Services API role session to a maximum of one
// hour. When you use the AssumeRole API operation to assume a role, you can
// specify the duration of your role session with the DurationSeconds parameter.
// You can specify a parameter value of up to 43200 seconds (12 hours), depending
// on the maximum session duration setting for your role. However, if you assume a
// role using role chaining and provide a DurationSeconds parameter value greater
// than one hour, the operation fails. Permissions The temporary security
// credentials created by AssumeRoleWithSAML can be used to make API calls to any
// Amazon Web Services service with the following exception: you cannot call the
// STS GetFederationToken or GetSessionToken API operations. (Optional) You can
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// pass inline or managed session policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
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// to this operation. You can pass a single JSON policy document to use as an
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// inline session policy. You can also specify up to 10 managed policy Amazon
// Resource Names (ARNs) to use as managed session policies. The plaintext that you
// use for both inline and managed session policies can't exceed 2,048 characters.
// Passing policies to this operation returns new temporary credentials. The
// resulting session's permissions are the intersection of the role's
// identity-based policy and the session policies. You can use the role's temporary
// credentials in subsequent Amazon Web Services API calls to access resources in
// the account that owns the role. You cannot use session policies to grant more
// permissions than those allowed by the identity-based policy of the role that is
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// being assumed. For more information, see Session Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
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// in the IAM User Guide. Calling AssumeRoleWithSAML does not require the use of
// Amazon Web Services security credentials. The identity of the caller is
// validated by using keys in the metadata document that is uploaded for the SAML
// provider entity for your identity provider. Calling AssumeRoleWithSAML can
// result in an entry in your CloudTrail logs. The entry includes the value in the
// NameID element of the SAML assertion. We recommend that you use a NameIDType
// that is not associated with any personally identifiable information (PII). For
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// example, you could instead use the persistent identifier (
// urn:oasis:names:tc:SAML:2.0:nameid-format:persistent ). Tags (Optional) You can
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// configure your IdP to pass attributes into your SAML assertion as session tags.
// Each session tag consists of a key name and an associated value. For more
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// information about session tags, see Passing Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
// in the IAM User Guide. You can pass up to 50 session tags. The plaintext session
// tag keys can’ t exceed 128 characters and the values can’ t exceed 256 characters.
// For these and additional limits, see IAM and STS Character Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
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// in the IAM User Guide. An Amazon Web Services conversion compresses the passed
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// inline session policy, managed policy ARNs, and session tags into a packed
// binary format that has a separate limit. Your request can fail for this limit
// even if your plaintext meets the other requirements. The PackedPolicySize
// response element indicates by percentage how close the policies and tags for
// your request are to the upper size limit. You can pass a session tag with the
// same key as a tag that is attached to the role. When you do, session tags
// override the role's tags with the same key. An administrator must grant you the
// permissions necessary to pass session tags. The administrator can also create
// granular permissions to allow you to pass only specific session tags. For more
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// information, see Tutorial: Using Tags for Attribute-Based Access Control (https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html)
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// in the IAM User Guide. You can set the session tags as transitive. Transitive
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// tags persist during role chaining. For more information, see Chaining Roles
// with Session Tags (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining)
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// in the IAM User Guide. SAML Configuration Before your application can call
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// AssumeRoleWithSAML , you must configure your SAML identity provider (IdP) to
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// issue the claims required by Amazon Web Services. Additionally, you must use
// Identity and Access Management (IAM) to create a SAML provider entity in your
// Amazon Web Services account that represents your identity provider. You must
// also create an IAM role that specifies this SAML provider in its trust policy.
// For more information, see the following resources:
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// - About SAML 2.0-based Federation (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_saml.html)
// in the IAM User Guide.
// - Creating SAML Identity Providers (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_create_saml.html)
// in the IAM User Guide.
// - Configuring a Relying Party and Claims (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_create_saml_relying-party.html)
// in the IAM User Guide.
// - Creating a Role for SAML 2.0 Federation (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_create_for-idp_saml.html)
// in the IAM User Guide.
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func ( c * Client ) AssumeRoleWithSAML ( ctx context . Context , params * AssumeRoleWithSAMLInput , optFns ... func ( * Options ) ) ( * AssumeRoleWithSAMLOutput , error ) {
if params == nil {
params = & AssumeRoleWithSAMLInput { }
}
result , metadata , err := c . invokeOperation ( ctx , "AssumeRoleWithSAML" , params , optFns , c . addOperationAssumeRoleWithSAMLMiddlewares )
if err != nil {
return nil , err
}
out := result . ( * AssumeRoleWithSAMLOutput )
out . ResultMetadata = metadata
return out , nil
}
type AssumeRoleWithSAMLInput struct {
// The Amazon Resource Name (ARN) of the SAML provider in IAM that describes the
// IdP.
//
// This member is required.
PrincipalArn * string
// The Amazon Resource Name (ARN) of the role that the caller is assuming.
//
// This member is required.
RoleArn * string
// The base64 encoded SAML authentication response provided by the IdP. For more
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// information, see Configuring a Relying Party and Adding Claims (https://docs.aws.amazon.com/IAM/latest/UserGuide/create-role-saml-IdP-tasks.html)
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// in the IAM User Guide.
//
// This member is required.
SAMLAssertion * string
// The duration, in seconds, of the role session. Your role session lasts for the
// duration that you specify for the DurationSeconds parameter, or until the time
// specified in the SAML authentication response's SessionNotOnOrAfter value,
// whichever is shorter. You can provide a DurationSeconds value from 900 seconds
// (15 minutes) up to the maximum session duration setting for the role. This
// setting can have a value from 1 hour to 12 hours. If you specify a value higher
// than this setting, the operation fails. For example, if you specify a session
// duration of 12 hours, but your administrator set the maximum session duration to
// 6 hours, your operation fails. To learn how to view the maximum value for your
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// role, see View the Maximum Session Duration Setting for a Role (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html#id_roles_use_view-role-max-session)
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// in the IAM User Guide. By default, the value is set to 3600 seconds. The
// DurationSeconds parameter is separate from the duration of a console session
// that you might request using the returned credentials. The request to the
// federation endpoint for a console sign-in token takes a SessionDuration
// parameter that specifies the maximum length of the console session. For more
// information, see Creating a URL that Enables Federated Users to Access the
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// Amazon Web Services Management Console (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_enable-console-custom-url.html)
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// in the IAM User Guide.
DurationSeconds * int32
// An IAM policy in JSON format that you want to use as an inline session policy.
// This parameter is optional. Passing policies to this operation returns new
// temporary credentials. The resulting session's permissions are the intersection
// of the role's identity-based policy and the session policies. You can use the
// role's temporary credentials in subsequent Amazon Web Services API calls to
// access resources in the account that owns the role. You cannot use session
// policies to grant more permissions than those allowed by the identity-based
// policy of the role that is being assumed. For more information, see Session
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// Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
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// in the IAM User Guide. The plaintext that you use for both inline and managed
// session policies can't exceed 2,048 characters. The JSON policy characters can
// be any ASCII character from the space character to the end of the valid
// character list (\u0020 through \u00FF). It can also include the tab (\u0009),
// linefeed (\u000A), and carriage return (\u000D) characters. An Amazon Web
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// Services conversion compresses the passed inline session policy, managed policy
// ARNs, and session tags into a packed binary format that has a separate limit.
// Your request can fail for this limit even if your plaintext meets the other
// requirements. The PackedPolicySize response element indicates by percentage how
// close the policies and tags for your request are to the upper size limit.
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Policy * string
// The Amazon Resource Names (ARNs) of the IAM managed policies that you want to
// use as managed session policies. The policies must exist in the same account as
// the role. This parameter is optional. You can provide up to 10 managed policy
// ARNs. However, the plaintext that you use for both inline and managed session
// policies can't exceed 2,048 characters. For more information about ARNs, see
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// Amazon Resource Names (ARNs) and Amazon Web Services Service Namespaces (https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
// in the Amazon Web Services General Reference. An Amazon Web Services conversion
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// compresses the passed inline session policy, managed policy ARNs, and session
// tags into a packed binary format that has a separate limit. Your request can
// fail for this limit even if your plaintext meets the other requirements. The
// PackedPolicySize response element indicates by percentage how close the policies
// and tags for your request are to the upper size limit. Passing policies to this
// operation returns new temporary credentials. The resulting session's permissions
// are the intersection of the role's identity-based policy and the session
// policies. You can use the role's temporary credentials in subsequent Amazon Web
// Services API calls to access resources in the account that owns the role. You
// cannot use session policies to grant more permissions than those allowed by the
// identity-based policy of the role that is being assumed. For more information,
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// see Session Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
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// in the IAM User Guide.
PolicyArns [ ] types . PolicyDescriptorType
noSmithyDocumentSerde
}
// Contains the response to a successful AssumeRoleWithSAML request, including
// temporary Amazon Web Services credentials that can be used to make Amazon Web
// Services requests.
type AssumeRoleWithSAMLOutput struct {
// The identifiers for the temporary security credentials that the operation
// returns.
AssumedRoleUser * types . AssumedRoleUser
// The value of the Recipient attribute of the SubjectConfirmationData element of
// the SAML assertion.
Audience * string
// The temporary security credentials, which include an access key ID, a secret
// access key, and a security (or session) token. The size of the security token
// that STS API operations return is not fixed. We strongly recommend that you make
// no assumptions about the maximum size.
Credentials * types . Credentials
// The value of the Issuer element of the SAML assertion.
Issuer * string
// A hash value based on the concatenation of the following:
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// - The Issuer response value.
// - The Amazon Web Services account ID.
// - The friendly name (the last part of the ARN) of the SAML provider in IAM.
// The combination of NameQualifier and Subject can be used to uniquely identify a
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// user. The following pseudocode shows how the hash value is calculated: BASE64 (
// SHA1 ( "https://example.com/saml" + "123456789012" + "/MySAMLIdP" ) )
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NameQualifier * string
// A percentage value that indicates the packed size of the session policies and
// session tags combined passed in the request. The request fails if the packed
// size is greater than 100 percent, which means the policies and tags exceeded the
// allowed space.
PackedPolicySize * int32
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// The value in the SourceIdentity attribute in the SAML assertion. You can
// require users to set a source identity value when they assume a role. You do
// this by using the sts:SourceIdentity condition key in a role trust policy. That
// way, actions that are taken with the role are associated with that user. After
// the source identity is set, the value cannot be changed. It is present in the
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// request for all actions that are taken by the role and persists across chained
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// role (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_terms-and-concepts#iam-term-role-chaining)
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// sessions. You can configure your SAML identity provider to use an attribute
// associated with your users, like user name or email, as the source identity when
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// calling AssumeRoleWithSAML . You do this by adding an attribute to the SAML
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// assertion. For more information about using source identity, see Monitor and
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// control actions taken with assumed roles (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_control-access_monitor.html)
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// in the IAM User Guide. The regex used to validate this parameter is a string of
// characters consisting of upper- and lower-case alphanumeric characters with no
// spaces. You can also include underscores or any of the following characters:
// =,.@-
SourceIdentity * string
// The value of the NameID element in the Subject element of the SAML assertion.
Subject * string
// The format of the name ID, as defined by the Format attribute in the NameID
// element of the SAML assertion. Typical examples of the format are transient or
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// persistent . If the format includes the prefix
// urn:oasis:names:tc:SAML:2.0:nameid-format , that prefix is removed. For example,
// urn:oasis:names:tc:SAML:2.0:nameid-format:transient is returned as transient .
// If the format includes any other prefix, the format is returned with no
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// modifications.
SubjectType * string
// Metadata pertaining to the operation's result.
ResultMetadata middleware . Metadata
noSmithyDocumentSerde
}
func ( c * Client ) addOperationAssumeRoleWithSAMLMiddlewares ( stack * middleware . Stack , options Options ) ( err error ) {
err = stack . Serialize . Add ( & awsAwsquery_serializeOpAssumeRoleWithSAML { } , middleware . After )
if err != nil {
return err
}
err = stack . Deserialize . Add ( & awsAwsquery_deserializeOpAssumeRoleWithSAML { } , middleware . After )
if err != nil {
return err
}
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if err = addlegacyEndpointContextSetter ( stack , options ) ; err != nil {
return err
}
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if err = addSetLoggerMiddleware ( stack , options ) ; err != nil {
return err
}
if err = awsmiddleware . AddClientRequestIDMiddleware ( stack ) ; err != nil {
return err
}
if err = smithyhttp . AddComputeContentLengthMiddleware ( stack ) ; err != nil {
return err
}
if err = addResolveEndpointMiddleware ( stack , options ) ; err != nil {
return err
}
if err = addRetryMiddlewares ( stack , options ) ; err != nil {
return err
}
if err = awsmiddleware . AddRawResponseToMetadata ( stack ) ; err != nil {
return err
}
if err = awsmiddleware . AddRecordResponseTiming ( stack ) ; err != nil {
return err
}
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if err = addClientUserAgent ( stack , options ) ; err != nil {
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return err
}
if err = smithyhttp . AddErrorCloseResponseBodyMiddleware ( stack ) ; err != nil {
return err
}
if err = smithyhttp . AddCloseResponseBodyMiddleware ( stack ) ; err != nil {
return err
}
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if err = addAssumeRoleWithSAMLResolveEndpointMiddleware ( stack , options ) ; err != nil {
return err
}
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if err = addOpAssumeRoleWithSAMLValidationMiddleware ( stack ) ; err != nil {
return err
}
if err = stack . Initialize . Add ( newServiceMetadataMiddleware_opAssumeRoleWithSAML ( options . Region ) , middleware . Before ) ; err != nil {
return err
}
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if err = awsmiddleware . AddRecursionDetection ( stack ) ; err != nil {
return err
}
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if err = addRequestIDRetrieverMiddleware ( stack ) ; err != nil {
return err
}
if err = addResponseErrorMiddleware ( stack ) ; err != nil {
return err
}
if err = addRequestResponseLogging ( stack , options ) ; err != nil {
return err
}
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if err = addendpointDisableHTTPSMiddleware ( stack , options ) ; err != nil {
return err
}
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return nil
}
func newServiceMetadataMiddleware_opAssumeRoleWithSAML ( region string ) * awsmiddleware . RegisterServiceMetadata {
return & awsmiddleware . RegisterServiceMetadata {
Region : region ,
ServiceID : ServiceID ,
SigningName : "sts" ,
OperationName : "AssumeRoleWithSAML" ,
}
}
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type opAssumeRoleWithSAMLResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func ( * opAssumeRoleWithSAMLResolveEndpointMiddleware ) ID ( ) string {
return "ResolveEndpointV2"
}
func ( m * opAssumeRoleWithSAMLResolveEndpointMiddleware ) HandleSerialize ( ctx context . Context , in middleware . SerializeInput , next middleware . SerializeHandler ) (
out middleware . SerializeOutput , metadata middleware . Metadata , err error ,
) {
if awsmiddleware . GetRequiresLegacyEndpoints ( ctx ) {
return next . HandleSerialize ( ctx , in )
}
req , ok := in . Request . ( * smithyhttp . Request )
if ! ok {
return out , metadata , fmt . Errorf ( "unknown transport type %T" , in . Request )
}
if m . EndpointResolver == nil {
return out , metadata , fmt . Errorf ( "expected endpoint resolver to not be nil" )
}
params := EndpointParameters { }
m . BuiltInResolver . ResolveBuiltIns ( & params )
var resolvedEndpoint smithyendpoints . Endpoint
resolvedEndpoint , err = m . EndpointResolver . ResolveEndpoint ( ctx , params )
if err != nil {
return out , metadata , fmt . Errorf ( "failed to resolve service endpoint, %w" , err )
}
req . URL = & resolvedEndpoint . URI
for k := range resolvedEndpoint . Headers {
req . Header . Set (
k ,
resolvedEndpoint . Headers . Get ( k ) ,
)
}
authSchemes , err := internalauth . GetAuthenticationSchemes ( & resolvedEndpoint . Properties )
if err != nil {
var nfe * internalauth . NoAuthenticationSchemesFoundError
if errors . As ( err , & nfe ) {
// if no auth scheme is found, default to sigv4
signingName := "sts"
signingRegion := m . BuiltInResolver . ( * builtInResolver ) . Region
ctx = awsmiddleware . SetSigningName ( ctx , signingName )
ctx = awsmiddleware . SetSigningRegion ( ctx , signingRegion )
}
var ue * internalauth . UnSupportedAuthenticationSchemeSpecifiedError
if errors . As ( err , & ue ) {
return out , metadata , fmt . Errorf (
"This operation requests signer version(s) %v but the client only supports %v" ,
ue . UnsupportedSchemes ,
internalauth . SupportedSchemes ,
)
}
}
for _ , authScheme := range authSchemes {
switch authScheme . ( type ) {
case * internalauth . AuthenticationSchemeV4 :
v4Scheme , _ := authScheme . ( * internalauth . AuthenticationSchemeV4 )
var signingName , signingRegion string
if v4Scheme . SigningName == nil {
signingName = "sts"
} else {
signingName = * v4Scheme . SigningName
}
if v4Scheme . SigningRegion == nil {
signingRegion = m . BuiltInResolver . ( * builtInResolver ) . Region
} else {
signingRegion = * v4Scheme . SigningRegion
}
if v4Scheme . DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth . SetDisableDoubleEncoding ( ctx , * v4Scheme . DisableDoubleEncoding )
}
ctx = awsmiddleware . SetSigningName ( ctx , signingName )
ctx = awsmiddleware . SetSigningRegion ( ctx , signingRegion )
break
case * internalauth . AuthenticationSchemeV4A :
v4aScheme , _ := authScheme . ( * internalauth . AuthenticationSchemeV4A )
if v4aScheme . SigningName == nil {
v4aScheme . SigningName = aws . String ( "sts" )
}
if v4aScheme . DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth . SetDisableDoubleEncoding ( ctx , * v4aScheme . DisableDoubleEncoding )
}
ctx = awsmiddleware . SetSigningName ( ctx , * v4aScheme . SigningName )
ctx = awsmiddleware . SetSigningRegion ( ctx , v4aScheme . SigningRegionSet [ 0 ] )
break
case * internalauth . AuthenticationSchemeNone :
break
}
}
return next . HandleSerialize ( ctx , in )
}
func addAssumeRoleWithSAMLResolveEndpointMiddleware ( stack * middleware . Stack , options Options ) error {
return stack . Serialize . Insert ( & opAssumeRoleWithSAMLResolveEndpointMiddleware {
EndpointResolver : options . EndpointResolverV2 ,
BuiltInResolver : & builtInResolver {
Region : options . Region ,
UseDualStack : options . EndpointOptions . UseDualStackEndpoint ,
UseFIPS : options . EndpointOptions . UseFIPSEndpoint ,
Endpoint : options . BaseEndpoint ,
} ,
} , "ResolveEndpoint" , middleware . After )
}