JWT Autorization / Logging in and registering

node_modules/validator/es/lib/isFQDN.js

@@ -0,0 +1,60 @@
+import assertString from './util/assertString';
+import merge from './util/merge';
+var default_fqdn_options = {
+  require_tld: true,
+  allow_underscores: false,
+  allow_trailing_dot: false
+};
+export default function isFQDN(str, options) {
+  assertString(str);
+  options = merge(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);
+  }
+
+  var parts = str.split('.');
+
+  for (var i = 0; i < parts.length; i++) {
+    if (parts[i].length > 63) {
+      return false;
+    }
+  }
+
+  if (options.require_tld) {
+    var tld = parts.pop();
+
+    if (!parts.length || !/^([a-z\u00a1-\uffff]{2,}|xn[a-z0-9-]{2,})$/i.test(tld)) {
+      return false;
+    } // disallow spaces && special characers
+
+
+    if (/[\s\u2002-\u200B\u202F\u205F\u3000\uFEFF\uDB40\uDC20\u00A9\uFFFD]/.test(tld)) {
+      return false;
+    }
+  }
+
+  for (var part, _i = 0; _i < parts.length; _i++) {
+    part = parts[_i];
+
+    if (options.allow_underscores) {
+      part = part.replace(/_/g, '');
+    }
+
+    if (!/^[a-z\u00a1-\uffff0-9-]+$/i.test(part)) {
+      return false;
+    } // disallow full-width chars
+
+
+    if (/[\uff01-\uff5e]/.test(part)) {
+      return false;
+    }
+
+    if (part[0] === '-' || part[part.length - 1] === '-') {
+      return false;
+    }
+  }
+
+  return true;
+}