[ReactNative] Allow uploading native files (e.g. photos) and FormData via XMLHttpRequest

Libraries/Network/RCTHTTPQueryExecutor.h

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "RCTDataQuery.h"
+
+@interface RCTHTTPQueryExecutor : NSObject <RCTDataQueryExecutor>
+
++ (instancetype)sharedInstance;
+
+/**
+ * Process the 'data' part of an HTTP query.
+ *
+ * 'data' can be a JSON value of the following forms:
+ *
+ * - {"string": "..."}: a simple JS string that will be UTF-8 encoded and sent as the body
+ *
+ * - {"uri": "some-uri://..."}: reference to a system resource, e.g. an image in the asset library
+ *
+ * - {"formData": [...]}: list of data payloads that will be combined into a multipart/form-data request
+ *
+ * If successful, the callback be called with a result dictionary containing the following (optional) keys:
+ *
+ * - @"body" (NSData): the body of the request
+ *
+ * - @"contentType" (NSString): the content type header of the request
+ *
+ */
++ (void)processDataForHTTPQuery:(NSDictionary *)data
+                       callback:(void (^)(NSError *error, NSDictionary *result))callback;
+
+@end