Function ParseCaddyfileNestedMatcherSet

modules/caddytls/connpolicy.go:1097–1131

ParseCaddyfileNestedMatcherSet parses the Caddyfile tokens for a nested matcher set, and returns its raw module map value.

(d *caddyfile.Dispenser)

// ParseCaddyfileNestedMatcherSet parses the Caddyfile tokens for a nested
// matcher set, and returns its raw module map value.
func ParseCaddyfileNestedMatcherSet(d *caddyfile.Dispenser) (caddy.ModuleMap, error) {
	matcherMap := make(map[string]ConnectionMatcher)

	tokensByMatcherName := make(map[string][]caddyfile.Token)
	for nesting := d.Nesting(); d.NextArg() || d.NextBlock(nesting); {
		matcherName := d.Val()
		tokensByMatcherName[matcherName] = append(tokensByMatcherName[matcherName], d.NextSegment()...)
	}

	for matcherName, tokens := range tokensByMatcherName {
		dd := caddyfile.NewDispenser(tokens)
		dd.Next() // consume wrapper name

		unm, err := caddyfile.UnmarshalModule(dd, "tls.handshake_match."+matcherName)
		if err != nil {
			return nil, err
		}
		cm, ok := unm.(ConnectionMatcher)
		if !ok {
			return nil, fmt.Errorf("matcher module '%s' is not a connection matcher", matcherName)
		}
		matcherMap[matcherName] = cm
	}

	matcherSet := make(caddy.ModuleMap)
	for name, matcher := range matcherMap {
		jsonBytes, err := json.Marshal(matcher)
		if err != nil {
			return nil, fmt.Errorf("marshaling %T matcher: %v", matcher, err)
		}
		matcherSet[name] = jsonBytes
	}

	return matcherSet, nil
}