chg: moved recaptcha from claustra to core

code/Global/Recaptcha.js

@@ -0,0 +1,45 @@
+// The Antville Project
+// http://code.google.com/p/antville
+//
+// Copyright 2001–2014 by the Workers of Antville.
+//
+// Licensed under the Apache License, Version 2.0 (the ``License'');
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an ``AS IS'' BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/**
+ * @fileoverview Defines the Antville reCAPTCHA prototype.
+ * @see http://www.google.com/recaptcha
+ */
+
+Recaptcha = {};
+
+Recaptcha.verify = function (data) {
+  var secret = getProperty('recaptcha.secret');
+
+  if (session.user || !secret) return;
+
+  var response = req.postParams['g-recaptcha-response'];
+  var ip = req.data.remotehost;
+  var mime = getURL('https://www.google.com/recaptcha/api/siteverify?secret=' + secret + '&response=' + response + '&remoteip=' + ip);
+  var json = JSON.parse(new java.lang.String(mime.content));
+
+  if (!json.success) {
+    throw Error(gettext('Do Androids dream of electric sheep?'));
+  }
+};
+
+Recaptcha.render = function(context, skin) {
+  var secret = getProperty('recaptcha.secret');
+  if (session.user || !context || !secret) return;
+  if (!skin) skin = '$Members#recaptcha';
+  return context.renderSkinAsString(skin);
+};