Initial working google auth

auth-service/node_modules/passport-oauth2/lib/utils.js

@@ -0,0 +1,32 @@
+exports.merge = require('utils-merge');
+
+/**
+ * Reconstructs the original URL of the request.
+ *
+ * This function builds a URL that corresponds the original URL requested by the
+ * client, including the protocol (http or https) and host.
+ *
+ * If the request passed through any proxies that terminate SSL, the
+ * `X-Forwarded-Proto` header is used to detect if the request was encrypted to
+ * the proxy, assuming that the proxy has been flagged as trusted.
+ *
+ * @param {http.IncomingMessage} req
+ * @param {Object} [options]
+ * @return {String}
+ * @api private
+ */
+exports.originalURL = function(req, options) {
+  options = options || {};
+  var app = req.app;
+  if (app && app.get && app.get('trust proxy')) {
+    options.proxy = true;
+  }
+  var trustProxy = options.proxy;
+  
+  var proto = (req.headers['x-forwarded-proto'] || '').toLowerCase()
+    , tls = req.connection.encrypted || (trustProxy && 'https' == proto.split(/\s*,\s*/)[0])
+    , host = (trustProxy && req.headers['x-forwarded-host']) || req.headers.host
+    , protocol = tls ? 'https' : 'http'
+    , path = req.url || '';
+  return protocol + '://' + host + path;
+};