Function parseCaddyfileRewrite

modules/caddyhttp/rewrite/caddyfile.go:41–70

parseCaddyfileRewrite sets up a basic rewrite handler from Caddyfile tokens. Syntax: rewrite [<matcher>] <to> Only URI components which are given in <to> will be set in the resulting URI. See the docs for the rewrite handler for more information.

(h httpcaddyfile.Helper)

// Only URI components which are given in <to> will be set in the resulting URI.
// See the docs for the rewrite handler for more information.
func parseCaddyfileRewrite(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error) {
	h.Next() // consume directive name

	// count the tokens to determine what to do
	argsCount := h.CountRemainingArgs()
	if argsCount == 0 {
		return nil, h.Errf("too few arguments; must have at least a rewrite URI")
	}
	if argsCount > 2 {
		return nil, h.Errf("too many arguments; should only be a matcher and a URI")
	}

	// with only one arg, assume it's a rewrite URI with no matcher token
	if argsCount == 1 {
		if !h.NextArg() {
			return nil, h.ArgErr()
		}
		return h.NewRoute(nil, Rewrite{URI: h.Val()}), nil
	}

	// parse the matcher token into a matcher set
	userMatcherSet, err := h.ExtractMatcherSet()
	if err != nil {
		return nil, err
	}
	h.Next() // consume directive name again, matcher parsing does a reset
	h.Next() // advance to the rewrite URI

	return h.NewRoute(userMatcherSet, Rewrite{URI: h.Val()}), nil
}

// parseCaddyfileMethod sets up a basic method rewrite handler from Caddyfile tokens. Syntax:
//