Avoid strings.ReplaceAll() that was introduced too recently

Author: jedisct1

dnscrypt-proxy/common.go

@@ -134,6 +134,15 @@ func StringQuote(str string) string {
 	return str[1 : len(str)-1]
 }
 
+func StringStripSpaces(str string) string {
+	return strings.Map(func(r rune) rune {
+		if unicode.IsSpace(r) {
+			return -1
+		}
+		return r
+	}, str)
+}
+
 func ExtractPort(str string, defaultPort int) int {
 	port := defaultPort
 	if idx := strings.LastIndex(str, ":"); idx >= 0 && idx < len(str)-1 {

dnscrypt-proxy/plugins.go

@@ -154,7 +154,7 @@ func InitPluginsGlobals(pluginsGlobals *PluginsGlobals, proxy *Proxy) error {
 
 // blockedQueryResponse can be 'refused', 'hinfo' or IP responses 'a:IPv4,aaaa:IPv6
 func parseBlockedQueryResponse(blockedResponse string, pluginsGlobals *PluginsGlobals) {
-	blockedResponse = strings.ReplaceAll(strings.ToLower(blockedResponse), " ", "")
+	blockedResponse = StringStripSpaces(strings.ToLower(blockedResponse))
 
 	if strings.HasPrefix(blockedResponse, "a:") {
 		blockedIPStrings := strings.Split(blockedResponse, ",")