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Unified Diff: ios/web/web_state/js/crw_js_post_request_loader.mm

Issue 1375023002: Adds support for POST request with bodies on WKWebView. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rest of the commetns Created 5 years, 2 months ago
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Index: ios/web/web_state/js/crw_js_post_request_loader.mm
diff --git a/ios/web/web_state/js/crw_js_post_request_loader.mm b/ios/web/web_state/js/crw_js_post_request_loader.mm
new file mode 100644
index 0000000000000000000000000000000000000000..2f6889aa7f5779dc44a9e9cc70e821e64588c6d7
--- /dev/null
+++ b/ios/web/web_state/js/crw_js_post_request_loader.mm
@@ -0,0 +1,64 @@
+// 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.
+
+#import "ios/web/web_state/js/crw_js_post_request_loader.h"
+
+#include "base/json/string_escape.h"
+#include "base/strings/sys_string_conversions.h"
+#import "ios/web/web_state/js/page_script_util.h"
+
+namespace {
+
+// Escapes characters and encloses given string in quotes for use in JavaScript.
+NSString* EscapeAndQuoteStringForJavaScript(NSString* unescapedString) {
+ std::string string = base::SysNSStringToUTF8(unescapedString);
+ return base::SysUTF8ToNSString(base::GetQuotedJSONString(string));
+}
+
+} // namespace
+
+@implementation CRWJSPOSTRequestLoader
+
+- (void)loadPOSTRequest:(NSURLRequest*)request inWebView:(WKWebView*)webView {
+ NSString* js = web::GetPageScript(@"post_request");
stuartmorgan 2015/10/08 19:11:29 How long does this take on an older device? I susp
stkhapugin 2015/12/03 15:43:01 Done.
+ NSString* HTML =
+ [NSString stringWithFormat:@"<html><script>%@%@</script></html>", js,
+ [self stringToExecutePOSTRequest:request]];
+ [webView loadHTMLString:HTML baseURL:request.URL];
+}
+
+- (NSString*)stringToExecutePOSTRequest:(NSURLRequest*)request {
stuartmorgan 2015/10/08 19:11:29 None of your private methods are declared or docum
stkhapugin 2015/12/03 15:43:01 Done.
+ NSDictionary* headers = [request allHTTPHeaderFields];
+ NSString* headerString = [self stringForJavaScriptFromRequestHeaders:headers];
+ NSString* urlString = [[request URL] absoluteString];
Eugene But (OOO till 7-30) 2015/10/08 17:46:32 s/urlString/URLString
stkhapugin 2015/12/03 15:43:01 Done.
+ NSString* contentType = headers[@"Content-Type"];
+ NSString* base64Data = [[request HTTPBody] base64EncodedStringWithOptions:0];
+
+ return [NSString
+ stringWithFormat:@"__gCrWeb.postRequest.runPOSTRequest(%@, %@, %@, %@)",
+ EscapeAndQuoteStringForJavaScript(urlString),
+ headerString,
+ EscapeAndQuoteStringForJavaScript(base64Data),
+ EscapeAndQuoteStringForJavaScript(contentType)];
+}
+
+- (NSString*)stringForJavaScriptFromRequestHeaders:(NSDictionary*)headers {
+ NSData* headerData = nil;
+ if (headers) {
+ headerData =
+ [NSJSONSerialization dataWithJSONObject:headers options:0 error:nil];
+ }
+ NSString* headerString = @"\"\"";
+ if (headerData) {
+ headerString =
+ [[[NSString alloc] initWithData:headerData
+ encoding:NSUTF8StringEncoding] autorelease];
stuartmorgan 2015/10/08 19:11:29 This doesn't need any quoting or escaping? If not,
stkhapugin 2015/12/03 15:43:01 Done.
+ }
+ return headerString;
+}
+
+@end
+
+// Constructs an HTML page that executes the request through JavaScript and
Eugene But (OOO till 7-30) 2015/10/08 17:46:32 Remove this?
stkhapugin 2015/12/03 15:43:01 Done.
+// replaces document with the result.

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