Method CELLibrary

modules/caddyhttp/matchers.go:1008–1021

CELLibrary produces options that expose this matcher for use in CEL expression matchers. Example: expression header({'content-type': 'image/png'}) expression header({'foo': ['bar', 'baz']}) // match bar or baz

(_ caddy.Context)

//	expression header({'content-type': 'image/png'})
//	expression header({'foo': ['bar', 'baz']}) // match bar or baz
func (MatchHeader) CELLibrary(_ caddy.Context) (cel.Library, error) {
	return CELMatcherImpl(
		"header",
		"header_matcher_request_map",
		[]*cel.Type{CELTypeJSON},
		func(data ref.Val) (RequestMatcherWithError, error) {
			mapStrListStr, err := CELValueToMapStrList(data)
			if err != nil {
				return nil, err
			}
			return MatchHeader(http.Header(mapStrListStr)), nil
		},
	)
}

// getHeaderFieldVals returns the field values for the given fieldName from input.
// The host parameter should be obtained from the http.Request.Host field, and the