LambdaRequestAuthorizer - Amazon Serverless Application Model
SyntaxPropertiesExamples
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LambdaRequestAuthorizer

Configure a Lambda Authorizer to control access to your API with a Lambda function.

For more information and examples, see Control API access with your Amazon SAM template.

Syntax

To declare this entity in your Amazon Serverless Application Model (Amazon SAM) template, use the following syntax.

Properties

DisableFunctionDefaultPermissions

Specify true to prevent Amazon SAM from automatically creating an AWS::Lambda::Permissions resource to provision permissions between your AWS::Serverless::Api resource and authorizer Lambda function.

Default value: false

Type: Boolean

Required: No

Amazon CloudFormation compatibility: This property is unique to Amazon SAM and doesn't have an Amazon CloudFormation equivalent.

FunctionArn

Specify the function ARN of the Lambda function which provides authorization for the API.

Note

Amazon SAM will automatically create an AWS::Lambda::Permissions resource when FunctionArn is specified for AWS::Serverless::Api. The AWS::Lambda::Permissions resource provisions permissions between your API and authorizer Lambda function.

Type: String

Required: Yes

Amazon CloudFormation compatibility: This property is unique to Amazon SAM and doesn't have an Amazon CloudFormation equivalent.

FunctionInvokeRole

Adds authorizer credentials to the OpenApi definition of the Lambda authorizer.

Type: String

Required: No

Amazon CloudFormation compatibility: This property is unique to Amazon SAM and doesn't have an Amazon CloudFormation equivalent.

FunctionPayloadType

This property can be used to define the type of Lambda Authorizer for an API.

Valid values: TOKEN or REQUEST

Type: String

Required: No

Default: TOKEN

Amazon CloudFormation compatibility: This property is unique to Amazon SAM and doesn't have an Amazon CloudFormation equivalent.

Identity

This property can be used to specify an IdentitySource in an incoming request for an authorizer. This property is only required if the FunctionPayloadType property is set to REQUEST.

Type: LambdaRequestAuthorizationIdentity

Required: Conditional

Amazon CloudFormation compatibility: This property is unique to Amazon SAM and doesn't have an Amazon CloudFormation equivalent.

Examples

LambdaRequestAuth

YAML

Authorizers:
  MyLambdaRequestAuth:
    FunctionPayloadType: REQUEST
    FunctionArn:
      Fn::GetAtt:
        - MyAuthFunction
        - Arn
    FunctionInvokeRole:
      Fn::GetAtt:
        - LambdaAuthInvokeRole
        - Arn
    Identity:
      Headers:
        - Authorization1