Index: ios/web/web_state/js/resources/post_request.js |
diff --git a/ios/web/web_state/js/resources/post_request.js b/ios/web/web_state/js/resources/post_request.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..194975a5d0e1e6d4d27fc0322ab1b34103b6aaf5 |
--- /dev/null |
+++ b/ios/web/web_state/js/resources/post_request.js |
@@ -0,0 +1,85 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Provides a way to implement POST requests via XMLHttpRequest. |
+// Works around https://bugs.webkit.org/show_bug.cgi?id=145410 on WKWebView. |
+ |
+'use strict'; |
+ |
+goog.provide('__crPostRequestHack'); |
+ |
+/** |
+ * Namespace for this file. |
+ */ |
+__crPostRequestHack = {}; |
+ |
+/** |
+ * Executes a POST request with given parameters and replaces document body with |
+ * the response. |
+ * @param {string} url The url of the request. |
+ * @param {Object<string,string>} headers Request headers to include in POST. |
+ * Each header value must be expressed as a key-value pair in this object. |
+ * @param {string} body Request body encoded with Base64. |
+ * @param {string} contentType Content-Type header value. |
+ */ |
+__crPostRequestHack.runPostRequest = function(url, headers, body, |
+ contentType) { |
+ |
+ /** |
+ * Converts a Base64-encoded string to a blob. |
+ * @param {string} byteCharacters Base64-encoded data string. |
+ * @param {string} contentType Corresponding content type. |
+ * @return {Blob} Binary representation of byteCharacters. |
+ */ |
+ var base64ToBlob = function(byteCharacters, contentType) { |
+ contentType = contentType || ''; |
+ var sliceSize = 512; |
+ var byteArrays = []; |
+ for (var offset = 0; offset < byteCharacters.length; offset += sliceSize){ |
Eugene But (OOO till 7-30)
2015/12/02 17:06:16
Space before |{|, here and everywhere.
stkhapugin
2015/12/03 15:43:02
Done.
|
+ var slice = byteCharacters.slice(offset, offset + sliceSize); |
+ var byteNumbers = new Array(slice.length); |
+ for (var i = 0; i < slice.length; i++) { |
+ byteNumbers[i] = slice.charCodeAt(i); |
+ } |
+ var byteArray = new Uint8Array(byteNumbers); |
+ byteArrays.push(byteArray); |
+ } |
+ var blob = new Blob(byteArrays, {type: contentType}); |
Eugene But (OOO till 7-30)
2015/12/02 17:06:16
return new Blob(byteArrays, {type: contentType});
stkhapugin
2015/12/03 15:43:02
Done.
|
+ return blob; |
+ } |
+ |
+ /** |
+ * Creates and executes a POST request. |
+ * @param {string} url The url of the request. |
+ * @param {Object<string,string>} headers Request headers to include in POST. |
+ * Each header value must be expressed as a key-value pair in this object. |
+ * @param {string} body Request body encoded with Base64. |
+ * @param {string} contentType Content-Type header value. |
+ */ |
+ var createAndSendPostRequest = function(url, headers, body, contentType){ |
+ var request = new XMLHttpRequest(); |
+ request.open('POST', url, false); |
+ for (var key in headers) { |
+ if (headers.hasOwnProperty(key)) { |
+ request.setRequestHeader(key, headers[key]); |
+ } |
+ } |
+ var blob = base64ToBlob(atob(body), contentType); |
+ request.send(blob); |
+ if (request.status != 200) { |
+ throw request.status; |
+ } |
+ return request.responseText; |
+ } |
+ |
+ document.open(); |
+ try { |
+ document.write(createAndSendPostRequest(url, headers, body, |
+ contentType)); |
Eugene But (OOO till 7-30)
2015/12/02 17:06:16
This does not look like correct formatting
stkhapugin
2015/12/03 15:43:02
Done.
|
+ window.webkit.messageHandlers.POSTSuccess.postMessage(""); |
+ } catch(error) { |
+ window.webkit.messageHandlers.POSTErrorHandler.postMessage(error); |
+ } |
+ document.close(); |
+ } |