Now ServerProfile class depends on Validator class (in Utils.swift).

ShadowsocksX-NG/ServerProfile.swift

@@ -196,42 +196,7 @@ class ServerProfile: NSObject, NSCopying {
     }
 
     func isValid() -> Bool {
-        func validateIpAddress(_ ipToValidate: String) -> Bool {
-
-            var sin = sockaddr_in()
-            var sin6 = sockaddr_in6()
-
-            if ipToValidate.withCString({ cstring in inet_pton(AF_INET6, cstring, &sin6.sin6_addr) }) == 1 {
-                // IPv6 peer.
-                return true
-            }
-            else if ipToValidate.withCString({ cstring in inet_pton(AF_INET, cstring, &sin.sin_addr) }) == 1 {
-                // IPv4 peer.
-                return true
-            }
-
-            return false;
-        }
-
-        func validateDomainName(_ value: String) -> Bool {
-            let validHostnameRegex = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])$"
-
-            if (value.range(of: validHostnameRegex, options: .regularExpression) != nil) {
-                return true
-            } else {
-                return false
-            }
-        }
-
-        if !(validateIpAddress(serverHost) || validateDomainName(serverHost)){
-            return false
-        }
-
-        if password.isEmpty {
-            return false
-        }
-
-        return true
+        return Validator.serverHost(serverHost) && Validator.password(password)
     }
 
     private func makeLegacyURL() -> URL? {