Provides directives that implement the CORS mechanism, enabling cross origin requests.
Rejection created when a CORS request was invalid.
Rejection created when a CORS request was invalid. In case of a preflight request, one to three of the causes can be marked as invalid. In case of an actual request, only the origin can be marked as invalid.
Note: when the three causes are None
, the request itself was invalid. For example
the Origin
header can be missing.
Provides directives that implement the CORS mechanism, enabling cross origin requests.
RFC 6454
CORS W3C Recommendation