stupid proofing missing "http" in config file

open-search.go

@@ -21,25 +21,38 @@ type URL struct {
 	Template string `xml:"template,attr"`
 }
 
-// isLocalAddress checks if the domain is a local address
+// Checks if the URL already includes a protocol
+func hasProtocol(url string) bool {
+	return strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://")
+}
+
+// Checks if the domain is a local address
 func isLocalAddress(domain string) bool {
 	return domain == "localhost" || strings.HasPrefix(domain, "127.") || strings.HasPrefix(domain, "192.168.") || strings.HasPrefix(domain, "10.")
 }
 
-func generateOpenSearchXML(config Config) {
-	protocol := "https://"
-	if isLocalAddress(config.Domain) {
-		protocol = "http://"
+// Ensures that HTTP or HTTPS is befor the adress if needed
+func addProtocol(domain string) string {
+	if hasProtocol(domain) {
+		return domain
 	}
+	if isLocalAddress(domain) {
+		return "http://" + domain
+	}
+	return "https://" + domain
+}
+
+func generateOpenSearchXML(config Config) {
+	baseURL := addProtocol(config.Domain)
 
 	opensearch := OpenSearchDescription{
 		Xmlns:       "http://a9.com/-/spec/opensearch/1.1/",
-		ShortName:   "Ocásek",
+		ShortName:   "Search Engine",
 		Description: "Search engine",
 		Tags:        "search, engine",
 		URL: URL{
 			Type:     "text/html",
-			Template: fmt.Sprintf("%s%s/search?q={searchTerms}", protocol, config.Domain),
+			Template: fmt.Sprintf("%s/search?q={searchTerms}", baseURL),
 		},
 	}