optional path on bucket to store uploads

lib/transport/aws.js

@@ -27,6 +27,7 @@ var FileInfo        = require('../fileinfo.js');
  *   http://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#getSignedUrl-property
  * @param {boolean} [opts.storage.aws.signedUrlExpiresSeconds=900] - For use
  *   with getSignedUrl=true.
+ * @param {string} [opts.storage.aws.path] - Path on bucket to store uploads
  *
  * @example
  * awsTransport({
@@ -40,7 +41,8 @@ var FileInfo        = require('../fileinfo.js');
  *       acl: 'public-read',
  *       cacheControl: 'max-age=630720000, public',
  *       expiresInMilliseconds: 63072000000,
- *       getSignedUrl: false
+ *       getSignedUrl: false,
+ *       path: 'uploads/'
  *     }
  *   }
  * });
@@ -160,7 +162,7 @@ function uploadFile(s3, fileName, filePath, opts, callback) {
   var params = {
     ACL: opts.acl,
     Bucket: opts.bucketName,
-    Key: remoteFilename,
+    Key: (opts.path || '') + remoteFilename,
     Body: fileBuffer,
     ContentType: metaData
   };
@@ -188,7 +190,7 @@ function uploadFile(s3, fileName, filePath, opts, callback) {
           Expires: opts.signedUrlExpires || 900
         });
     } else {
-        url = s3.endpoint.href + opts.bucketName + '/' + remoteFilename;
+        url = s3.endpoint.href + opts.bucketName + '/' + opts.path + remoteFilename;
     }
 
     callback(error,{ url: url});