admin_link_provider_for_user
¶
admin_link_provider_for_user(
user_pool_id: StringType,
destination_user: ProviderUserIdentifierType,
source_user: ProviderUserIdentifierType,
*,
config_overrides: Optional[CognitoIdentityProviderClientConfig] = None,
) -> AdminLinkProviderForUserResponse
Links an existing user account in a user pool, or DestinationUser, to an identity from an external IdP, or SourceUser, based on a specified attribute name and value from the external IdP.
This operation connects a local user profile with a user identity who hasn't yet signed in from their third-party IdP. When the user signs in with their IdP, they get access-control configuration from the local user profile. Linked local users can also sign in with SDK-based API operations like InitiateAuth after they sign in at least once through their IdP. For more information, see Linking federated users.
The maximum number of federated identities linked to a user is five.
Because this API allows a user with an external federated identity to sign in as a local user, it is critical that it only be used with external IdPs and linked attributes that you trust.
Amazon Cognito evaluates Identity and Access Management (IAM) policies in requests for this API operation. For this operation, you must use IAM credentials to authorize requests, and you must grant yourself the corresponding IAM permission in a policy.
Learn more
Parameters:
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user_pool_id(StringType) –The ID of the user pool where you want to link a federated identity.
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destination_user(ProviderUserIdentifierType) –The existing user in the user pool that you want to assign to the external IdP user account. This user can be a local (Username + Password) Amazon Cognito user pools user or a federated user (for example, a SAML or Facebook user). If the user doesn't exist, Amazon Cognito generates an exception. Amazon Cognito returns this user when the new user (with the linked IdP attribute) signs in.
For a native username + password user, the
ProviderAttributeValuefor theDestinationUsershould be the username in the user pool. For a federated user, it should be the provider-specificuser_id.The
ProviderAttributeNameof theDestinationUseris ignored.The
ProviderNameshould be set toCognitofor users in Cognito user pools. -
source_user(ProviderUserIdentifierType) –An external IdP account for a user who doesn't exist yet in the user pool. This user must be a federated user (for example, a SAML or Facebook user), not another native user.
If the
SourceUseris using a federated social IdP, such as Facebook, Google, or Login with Amazon, you must set theProviderAttributeNametoCognito_Subject. For social IdPs, theProviderNamewill beFacebook,Google, orLoginWithAmazon, and Amazon Cognito will automatically parse the Facebook, Google, and Login with Amazon tokens forid,sub, anduser_id, respectively. TheProviderAttributeValuefor the user must be the same value as theid,sub, oruser_idvalue found in the social IdP token.For OIDC, the
ProviderAttributeNamecan be any mapped value from a claim in the ID token, or that your app retrieves from theuserInfoendpoint. For SAML, theProviderAttributeNamecan be any mapped value from a claim in the SAML assertion.The following additional considerations apply to
SourceUserfor OIDC and SAML providers.-
You must map the claim to a user pool attribute in your IdP configuration, and set the user pool attribute name as the value of
ProviderAttributeNamein yourAdminLinkProviderForUserrequest. For example,email. -
When you set
ProviderAttributeNametoCognito_Subject, Amazon Cognito will automatically parse the default unique identifier found in the subject from the IdP token.
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Raises:
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AliasExistsException–This exception is thrown when a user tries to confirm the account with an email address or phone number that has already been supplied as an alias for a different user profile. This exception indicates that an account with this email address or phone already exists in a user pool that you've configured to use email address or phone number as a sign-in alias.
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InternalErrorException–This exception is thrown when Amazon Cognito encounters an internal error.
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InvalidParameterException–This exception is thrown when the Amazon Cognito service encounters an invalid parameter.
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LimitExceededException–This exception is thrown when a user exceeds the limit for a requested Amazon Web Services resource.
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NotAuthorizedException–This exception is thrown when a user isn't authorized.
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OperationNotEnabledException–This exception is thrown when an operation is not available in the current region or for the current user pool configuration. This can occur when attempting to perform operations that are not supported in secondary replica regions.
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ResourceNotFoundException–This exception is thrown when the Amazon Cognito service can't find the requested resource.
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TooManyRequestsException–This exception is thrown when the user has made too many requests for a given operation.
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UserNotFoundException–This exception is thrown when a user isn't found.
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UnknownServiceError–The service returned an error code this client does not model.