NAME
Mojolicious::Plugin::OpenAPI::Cors - OpenAPI plugin for Cross-Origin Resource Sharing
SYNOPSIS
package MyApplication::Controller::User;
sub get_user {
# Validate incoming CORS request with _validate_cors()
my $c = shift->openapi->cors_simple("_validate_cors")->openapi->valid_input or return;
$c->render(openapi => {user => {}});
}
sub _validate_cors {
my ($c, $args) = @_;
# Check the origin of the request
if ($args->{origin} =~ m!^https?://whatever.example.com!) {
# Setting the "Access-Control-Allow-Origin" will mark this request as valid
$c->res->headers->header("Access-Control-Allow-Origin" => $args->{origin});
}
}DESCRIPTION
Mojolicious::Plugin::OpenAPI::Cors is a plugin for accepting Simple Cross-Origin Resource Sharing requests, by looking at the "Origin" header. See https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS for more details.
This plugin is loaded by default by Mojolicious::Plugin::OpenAPI.
Note that this plugin currently EXPERIMENTAL! Please let me know if you have any feedback.
HELPERS
openapi.cors_simple
$c = $c->openapi->cors_simple($method);Will validate the incoming request using the $method, if the incoming request HTTP method is
The HTTP method is GET, HEAD or POST.
The "Content-Type" header is application/x-www-form-urlencoded, multipart/form-data or text/plain.
The "Origin" header set
openapi.cors_simple will automatically generate a "400 Bad Request" response if the "Access-Control-Allow-Origin" response header is not set.
The $method can be a simple method name in the current controller, a sub ref or a FQN function name, such as MyApp::validate_simple_cors. See "SYNOPSIS" for example usage.
METHODS
register
Called by Mojolicious::Plugin::OpenAPI.