IPv6 support (#1369)

* hyperion-remote - Support IPv6

* LEDDevices - Remove IPv6 limitations

* Separate JsonEditorHostValidation

* Standalone grabbers & JSON/Flatbuffer forwarder: IPv6 support

* remote: Fix setting multiple colors via Hex, add standard logging

* IPv6 Updates -Add db migration activities

* Addressing non-Windows compile issues

* Code cleanup, address clang feedback

* Update address (hostname, IPv4/IPv6) help text

* Apply migration steps to "old" configurations imported

* Show user the UI-Url, if hyperion is already running, address clang findings

* Windows Cmake OpenSLL output

* Minor Text update

assets/webconfig/js/ui_utils.js

@@ -88,7 +88,7 @@ function loadContent(event, forceRefresh) {
   var tag;
 
   var lastSelectedInstance = getStorage('lastSelectedInstance', false);
-  
+
   if (lastSelectedInstance && (lastSelectedInstance != window.currentHyperionInstance)) {
     if (window.serverInfo.instance[lastSelectedInstance] && window.serverInfo.instance[lastSelectedInstance].running) {
       instanceSwitch(lastSelectedInstance);
@@ -681,6 +681,68 @@ function updateJsonEditorRange(rootEditor, path, key, minimum, maximum, defaultV
   rootEditor.getEditor(path + "." + key).setValue(currentValue);
 }
 
+function addJsonEditorHostValidation() {
+
+  JSONEditor.defaults.custom_validators.push(function (schema, value, path) {
+    var errors = [];
+
+    if (!jQuery.isEmptyObject(value)) {
+      switch (schema.format) {
+        case "hostname_or_ip":
+          if (!isValidHostnameOrIP(value)) {
+            errors.push({
+              path: path,
+              property: 'format',
+              message: $.i18n('edt_msgcust_error_hostname_ip')
+            });
+          }
+          break;
+        case "hostname_or_ip4":
+          if (!isValidHostnameOrIP4(value)) {
+            errors.push({
+              path: path,
+              property: 'format',
+              message: $.i18n('edt_msgcust_error_hostname_ip4')
+            });
+          }
+          break;
+
+        //Remove, when new json-editor 2.x is used
+        case "ipv4":
+          if (!isValidIPv4(value)) {
+            errors.push({
+              path: path,
+              property: 'format',
+              message: $.i18n('edt_msg_error_ipv4')
+            });
+          }
+          break;
+        case "ipv6":
+          if (!isValidIPv6(value)) {
+            errors.push({
+              path: path,
+              property: 'format',
+              message: $.i18n('edt_msg_error_ipv6')
+            });
+          }
+          break;
+        case "hostname":
+          if (!isValidHostname(value)) {
+            errors.push({
+              path: path,
+              property: 'format',
+              message: $.i18n('edt_msg_error_hostname')
+            });
+          }
+          break;
+
+        default:
+      }
+    }
+    return errors;
+  });
+}
+
 function buildWL(link, linkt, cl) {
   var baseLink = "https://docs.hyperion-project.org/";
   var lang;
@@ -1246,3 +1308,42 @@ function showInputOptionsForKey(editor, item, showForKeys, state) {
 function encodeHTML(s) {
   return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/"/g, '&quot;');
 }
+
+function isValidIPv4(value) {
+  const parts = value.split('.')
+  if (parts.length !== 4) {
+    return false;
+  }
+  for (let part of parts) {
+    if (isNaN(part) || part < 0 || part > 255) {
+      return false;
+    }
+  }
+  return true;
+}
+
+function isValidIPv6(value) {
+  if (value.match(
+    '^(?:(?:(?:[a-fA-F0-9]{1,4}:){6}|(?=(?:[a-fA-F0-9]{0,4}:){2,6}(?:[0-9]{1,3}.){3}[0-9]{1,3}$)(([0-9a-fA-F]{1,4}:){1,5}|:)((:[0-9a-fA-F]{1,4}){1,5}:|:)|::(?:[a-fA-F0-9]{1,4}:){5})(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9]).){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])|(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}|(?=(?:[a-fA-F0-9]{0,4}:){0,7}[a-fA-F0-9]{0,4}$)(([0-9a-fA-F]{1,4}:){1,7}|:)((:[0-9a-fA-F]{1,4}){1,7}|:)|(?:[a-fA-F0-9]{1,4}:){7}:|:(:[a-fA-F0-9]{1,4}){7})$'
+  ))
+    return true;
+  else
+    return false;
+}
+
+function isValidHostname(value) {
+  if (value.match(
+    '(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9].)+[a-zA-Z]{2,63}$)'
+  ))
+    return true;
+  else
+    return false;
+}
+
+function isValidHostnameOrIP4(value) {
+  return (isValidHostname(value) || isValidIPv4(value));
+}
+
+function isValidHostnameOrIP(value) {
+  return (isValidHostnameOrIP4(value) || isValidIPv6(value));
+}