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struct Athena::Routing::Config::CORS
inherits Struct #

Configuration options for ART::Listeners::CORS. See .configure.

TODO: Allow scoping CORS options to specific routes versus applying them to all routes.

Class methods#

.configure : self? #

This method should be overridden in order to provide the configuration for ART::Listeners::CORS. See the external documentation for more details.

By default it returns nil, which disables the listener.

# Returns an `ART::Config::CORS` instance that will determine how the listener functions.
def ART::Config::CORS.configure : ART::Config::CORS?
    allow_credentials: true,
    allow_origin: %(,
    expose_headers: %w(X-Transaction-ID X-Some-Custom-Header),
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.new(allow_credentials : Bool = false, allow_origin : Array(String) = [] of String, allow_headers : Array(String) = [] of String, allow_methods : Array(String) = Athena::Routing::Listeners::CORS::SAFELISTED_METHODS, expose_headers : Array(String) = [] of String, max_age : Int32 = 0) #

See .configure.

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#allow_credentials : Bool #

Indicates whether the request can be made using credentials.

Maps to the access-control-allow-credentials header.

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#allow_headers : Array(String) #

The header or headers that can be used when making the actual request.

Can be set to ["*"] to allow any headers.

maps to the access-control-allow-headers header.

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#allow_methods : Array(String) #

The method or methods allowed when accessing the resource.

Maps to the access-control-allow-methods header. Defaults to the CORS-safelisted methods.

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#allow_origin : Array(String) #

A white-listed array of valid origins.

Can be set to ["*"] to allow any origin.

TODO: Allow Regex based origins.

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#expose_headers : Array(String) #

Array of headers that the browser is allowed to read from the response.

Maps to the access-control-expose-headers header.

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#max_age : Int32 #

Number of seconds that the results of a preflight request can be cached.

Maps to the access-control-max-age header.

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