Initial commit

node_modules/validator/lib/isURL.js

@@ -0,0 +1,152 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isURL;
+
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+
+var _isFQDN = _interopRequireDefault(require("./isFQDN"));
+
+var _isIP = _interopRequireDefault(require("./isIP"));
+
+var _merge = _interopRequireDefault(require("./util/merge"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var default_url_options = {
+  protocols: ['http', 'https', 'ftp'],
+  require_tld: true,
+  require_protocol: false,
+  require_host: true,
+  require_valid_protocol: true,
+  allow_underscores: false,
+  allow_trailing_dot: false,
+  allow_protocol_relative_urls: false
+};
+var wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/;
+
+function isRegExp(obj) {
+  return Object.prototype.toString.call(obj) === '[object RegExp]';
+}
+
+function checkHost(host, matches) {
+  for (var i = 0; i < matches.length; i++) {
+    var match = matches[i];
+
+    if (host === match || isRegExp(match) && match.test(host)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+function isURL(url, options) {
+  (0, _assertString.default)(url);
+
+  if (!url || url.length >= 2083 || /[\s<>]/.test(url)) {
+    return false;
+  }
+
+  if (url.indexOf('mailto:') === 0) {
+    return false;
+  }
+
+  options = (0, _merge.default)(options, default_url_options);
+  var protocol, auth, host, hostname, port, port_str, split, ipv6;
+  split = url.split('#');
+  url = split.shift();
+  split = url.split('?');
+  url = split.shift();
+  split = url.split('://');
+
+  if (split.length > 1) {
+    protocol = split.shift().toLowerCase();
+
+    if (options.require_valid_protocol && options.protocols.indexOf(protocol) === -1) {
+      return false;
+    }
+  } else if (options.require_protocol) {
+    return false;
+  } else if (url.substr(0, 2) === '//') {
+    if (!options.allow_protocol_relative_urls) {
+      return false;
+    }
+
+    split[0] = url.substr(2);
+  }
+
+  url = split.join('://');
+
+  if (url === '') {
+    return false;
+  }
+
+  split = url.split('/');
+  url = split.shift();
+
+  if (url === '' && !options.require_host) {
+    return true;
+  }
+
+  split = url.split('@');
+
+  if (split.length > 1) {
+    if (options.disallow_auth) {
+      return false;
+    }
+
+    auth = split.shift();
+
+    if (auth.indexOf(':') >= 0 && auth.split(':').length > 2) {
+      return false;
+    }
+  }
+
+  hostname = split.join('@');
+  port_str = null;
+  ipv6 = null;
+  var ipv6_match = hostname.match(wrapped_ipv6);
+
+  if (ipv6_match) {
+    host = '';
+    ipv6 = ipv6_match[1];
+    port_str = ipv6_match[2] || null;
+  } else {
+    split = hostname.split(':');
+    host = split.shift();
+
+    if (split.length) {
+      port_str = split.join(':');
+    }
+  }
+
+  if (port_str !== null) {
+    port = parseInt(port_str, 10);
+
+    if (!/^[0-9]+$/.test(port_str) || port <= 0 || port > 65535) {
+      return false;
+    }
+  }
+
+  if (!(0, _isIP.default)(host) && !(0, _isFQDN.default)(host, options) && (!ipv6 || !(0, _isIP.default)(ipv6, 6))) {
+    return false;
+  }
+
+  host = host || ipv6;
+
+  if (options.host_whitelist && !checkHost(host, options.host_whitelist)) {
+    return false;
+  }
+
+  if (options.host_blacklist && checkHost(host, options.host_blacklist)) {
+    return false;
+  }
+
+  return true;
+}
+
+module.exports = exports.default;
+module.exports.default = exports.default;