Backend half

SerpentRace_Backend/node_modules/aws-sdk/lib/services/rdsutil.js

@@ -0,0 +1,61 @@
+var AWS = require('../core');
+
+var rdsutil = {
+  /**
+    * @api private
+    */
+   setupRequestListeners: function setupRequestListeners(service, request, crossRegionOperations) {
+    if (crossRegionOperations.indexOf(request.operation) !== -1 &&
+        request.params.SourceRegion) {
+      request.params = AWS.util.copy(request.params);
+      if (request.params.PreSignedUrl ||
+          request.params.SourceRegion === service.config.region) {
+        delete request.params.SourceRegion;
+      } else {
+        var doesParamValidation = !!service.config.paramValidation;
+        // remove the validate parameters listener so we can re-add it after we build the URL
+        if (doesParamValidation) {
+          request.removeListener('validate', AWS.EventListeners.Core.VALIDATE_PARAMETERS);
+        }
+        request.onAsync('validate', rdsutil.buildCrossRegionPresignedUrl);
+        if (doesParamValidation) {
+          request.addListener('validate', AWS.EventListeners.Core.VALIDATE_PARAMETERS);
+        }
+      }
+    }
+  },
+
+  /**
+   * @api private
+   */
+  buildCrossRegionPresignedUrl: function buildCrossRegionPresignedUrl(req, done) {
+    var config = AWS.util.copy(req.service.config);
+    config.region = req.params.SourceRegion;
+    delete req.params.SourceRegion;
+    delete config.endpoint;
+    // relevant params for the operation will already be in req.params
+    delete config.params;
+    config.signatureVersion = 'v4';
+    var destinationRegion = req.service.config.region;
+
+    var svc = new req.service.constructor(config);
+    var newReq = svc[req.operation](AWS.util.copy(req.params));
+    newReq.on('build', function addDestinationRegionParam(request) {
+      var httpRequest = request.httpRequest;
+      httpRequest.params.DestinationRegion = destinationRegion;
+      httpRequest.body = AWS.util.queryParamsToString(httpRequest.params);
+    });
+    newReq.presign(function(err, url) {
+      if (err) done(err);
+      else {
+        req.params.PreSignedUrl = url;
+        done();
+      }
+    });
+  }
+};
+
+/**
+ * @api private
+ */
+module.exports = rdsutil;