storage: allow setting an origin for a resumable upload URI

lib/storage/file.js

@@ -640,7 +640,9 @@ File.prototype.createReadStream = function(options) {
  *
  * @resource [Resumable upload guide]{@link https://cloud.google.com/storage/docs/json_api/v1/how-tos/upload#resumable}
  *
- * @param {object=} metadata - Optional metadata to set on the file.
+ * @param {object=} options - Configuration object.
+ * @param {object} options.metadata - Metadata to set on the file.
+ * @param {string} options.origin - Origin header to set for the upload.
  * @param {function} callback - The callback function.
  * @param {?error} callback.err - An error returned while making this request
  * @param {string} callback.uri - The resumable upload's unique session URI.
@@ -652,18 +654,19 @@ File.prototype.createReadStream = function(options) {
  *   }
  * });
  */
-File.prototype.createResumableUpload = function(metadata, callback) {
-  if (is.fn(metadata)) {
-    callback = metadata;
-    metadata = {};
+File.prototype.createResumableUpload = function(options, callback) {
+  if (is.fn(options)) {
+    callback = options;
+    options = {};
   }
 
   resumableUpload.createURI({
     authClient: this.bucket.storage.authClient,
     bucket: this.bucket.name,
     file: this.name,
     generation: this.generation,
-    metadata: metadata || {}
+    metadata: options.metadata,
+    origin: options.origin
   }, callback);
 };
 

package.json

@@ -92,7 +92,7 @@
     "duplexify": "^3.2.0",
     "extend": "^3.0.0",
     "gce-images": "^0.2.0",
-    "gcs-resumable-upload": "^0.3.0",
+    "gcs-resumable-upload": "^0.4.0",
     "google-auto-auth": "^0.2.0",
     "hash-stream-validation": "^0.1.0",
     "is": "^3.0.1",

test/storage/file.js

@@ -877,10 +877,10 @@ describe('File', function() {
   });
 
   describe('createResumableUpload', function() {
-    it('should not require metadata', function(done) {
+    it('should not require options', function(done) {
       resumableUploadOverride = {
         createURI: function(opts, callback) {
-          assert.deepEqual(opts.metadata, {});
+          assert.strictEqual(opts.metadata, undefined);
           callback();
         }
       };
@@ -889,8 +889,11 @@ describe('File', function() {
     });
 
     it('should create a resumable upload URI', function(done) {
-      var metadata = {
-        contentType: 'application/json'
+      var options = {
+        metadata: {
+          contentType: 'application/json'
+        },
+        origin: '*'
       };
 
       file.generation = 3;
@@ -905,13 +908,14 @@ describe('File', function() {
           assert.strictEqual(opts.bucket, bucket.name);
           assert.strictEqual(opts.file, file.name);
           assert.strictEqual(opts.generation, file.generation);
-          assert.strictEqual(opts.metadata, metadata);
+          assert.strictEqual(opts.metadata, options.metadata);
+          assert.strictEqual(opts.origin, options.origin);
 
           callback();
         }
       };
 
-      file.createResumableUpload(metadata, done);
+      file.createResumableUpload(options, done);
     });
   });