ParseBucketCorsConfig parses a CORS configuration in XML from an io.Reader.

Config is the container for a CORS configuration for a bucket.

ErrAllowedHeaderWildcards is returned when more than one wildcard is found in an AllowedHeader.

ErrAllowedOriginWildcards is returned when more than one wildcard is found in an AllowedOrigin.

ErrInvalidMethod is returned when an unsupported HTTP method is found in a CORS config.

ErrMalformedXML is returned when the XML provided is not well-formed.

ErrTooManyRules is returned when the number of CORS rules exceeds the allowed limit.

Rule is a single rule in a CORS configuration.