.

qwen/nodejs/node_modules/validator/lib/isFQDN.js

@@ -0,0 +1,76 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isFQDN;
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+var _merge = _interopRequireDefault(require("./util/merge"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+var default_fqdn_options = {
+  require_tld: true,
+  allow_underscores: false,
+  allow_trailing_dot: false,
+  allow_numeric_tld: false,
+  allow_wildcard: false,
+  ignore_max_length: false
+};
+function isFQDN(str, options) {
+  (0, _assertString.default)(str);
+  options = (0, _merge.default)(options, default_fqdn_options);
+
+  /* Remove the optional trailing dot before checking validity */
+  if (options.allow_trailing_dot && str[str.length - 1] === '.') {
+    str = str.substring(0, str.length - 1);
+  }
+
+  /* Remove the optional wildcard before checking validity */
+  if (options.allow_wildcard === true && str.indexOf('*.') === 0) {
+    str = str.substring(2);
+  }
+  var parts = str.split('.');
+  var tld = parts[parts.length - 1];
+  if (options.require_tld) {
+    // disallow fqdns without tld
+    if (parts.length < 2) {
+      return false;
+    }
+    if (!options.allow_numeric_tld && !/^([a-z\u00A1-\u00A8\u00AA-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]{2,}|xn[a-z0-9-]{2,})$/i.test(tld)) {
+      return false;
+    }
+
+    // disallow spaces
+    if (/\s/.test(tld)) {
+      return false;
+    }
+  }
+
+  // reject numeric TLDs
+  if (!options.allow_numeric_tld && /^\d+$/.test(tld)) {
+    return false;
+  }
+  return parts.every(function (part) {
+    if (part.length > 63 && !options.ignore_max_length) {
+      return false;
+    }
+    if (!/^[a-z_\u00a1-\uffff0-9-]+$/i.test(part)) {
+      return false;
+    }
+
+    // disallow full-width chars
+    if (/[\uff01-\uff5e]/.test(part)) {
+      return false;
+    }
+
+    // disallow parts starting or ending with hyphen
+    if (/^-|-$/.test(part)) {
+      return false;
+    }
+    if (!options.allow_underscores && /_/.test(part)) {
+      return false;
+    }
+    return true;
+  });
+}
+module.exports = exports.default;
+module.exports.default = exports.default;