AWS CloudFormation
User Guide (Version )

AWS::MediaStore::Container CorsRule

A rule for a CORS policy. You can add up to 100 rules to a CORS policy. If more than one rule applies, the service uses the first applicable rule listed.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{ "AllowedHeaders" : [ String, ... ], "AllowedMethods" : [ String, ... ], "AllowedOrigins" : [ String, ... ], "ExposeHeaders" : [ String, ... ], "MaxAgeSeconds" : Integer }

YAML

AllowedHeaders: - String AllowedMethods: - String AllowedOrigins: - String ExposeHeaders: - String MaxAgeSeconds: Integer

Properties

AllowedHeaders

Specifies which headers are allowed in a preflight OPTIONS request through the Access-Control-Request-Headers header. Each header name that is specified in Access-Control-Request-Headers must have a corresponding entry in the rule. Only the headers that were requested are sent back.

This element can contain only one wildcard character (*).

Required: No

Type: List of String

Maximum: 100

Update requires: No interruption

AllowedMethods

Identifies an HTTP method that the origin that is specified in the rule is allowed to execute.

Each CORS rule must contain at least one AllowedMethods and one AllowedOrigins element.

Required: No

Type: List of String

Maximum: 4

Update requires: Replacement

AllowedOrigins

One or more response headers that you want users to be able to access from their applications (for example, from a JavaScript XMLHttpRequest object).

Each CORS rule must have at least one AllowedOrigins element. The string value can include only one wildcard character (*), for example, http://*.example.com. Additionally, you can specify only one wildcard character to allow cross-origin access for all origins.

Required: No

Type: List of String

Maximum: 100

Update requires: No interruption

ExposeHeaders

One or more headers in the response that you want users to be able to access from their applications (for example, from a JavaScript XMLHttpRequest object).

This element is optional for each rule.

Required: No

Type: List of String

Maximum: 100

Update requires: No interruption

MaxAgeSeconds

The time in seconds that your browser caches the preflight response for the specified resource.

A CORS rule can have only one MaxAgeSeconds element.

Required: No

Type: Integer

Minimum: 0

Maximum: 2147483647

Update requires: No interruption

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