Bye bye Mandoline

components/html_viewer/blink_url_request_type_converters.cc

-// Copyright 2014 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.
-
-#include "components/html_viewer/blink_url_request_type_converters.h"
-
-#include <stdint.h>
-#include <utility>
-
-#include "base/strings/string_util.h"
-#include "mojo/public/cpp/system/data_pipe.h"
-#include "third_party/WebKit/public/platform/WebHTTPHeaderVisitor.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
-
-namespace mojo {
-namespace {
-
-// Ripped from web_url_loader_impl.cc.
-class HeaderFlattener : public blink::WebHTTPHeaderVisitor {
- public:
-  HeaderFlattener() : has_accept_header_(false) {}
-
-  void visitHeader(const blink::WebString& name,
-                   const blink::WebString& value) override {
-    // Headers are latin1.
-    const std::string& name_latin1 = name.latin1();
-    const std::string& value_latin1 = value.latin1();
-
-    if (base::LowerCaseEqualsASCII(name_latin1, "accept"))
-      has_accept_header_ = true;
-
-    HttpHeaderPtr header = HttpHeader::New();
-    header->name = name_latin1;
-    header->value = value_latin1;
-    buffer_.push_back(std::move(header));
-  }
-
-  Array<HttpHeaderPtr> GetBuffer() {
-    // In some cases, WebKit doesn't add an Accept header, but not having the
-    // header confuses some web servers.  See bug 808613.
-    if (!has_accept_header_) {
-      HttpHeaderPtr header = HttpHeader::New();
-      header->name = "Accept";
-      header->value = "*/*";
-      buffer_.push_back(std::move(header));
-      has_accept_header_ = true;
-    }
-    return std::move(buffer_);
-  }
-
- private:
-  Array<HttpHeaderPtr> buffer_;
-  bool has_accept_header_;
-};
-
-void AddRequestBody(URLRequest* url_request,
-                    const blink::WebURLRequest& request) {
-  if (request.httpBody().isNull())
-    return;
-
-  uint32_t i = 0;
-  blink::WebHTTPBody::Element element;
-  while (request.httpBody().elementAt(i++, element)) {
-    switch (element.type) {
-      case blink::WebHTTPBody::Element::TypeData:
-        if (!element.data.isEmpty()) {
-          // WebKit sometimes gives up empty data to append. These aren't
-          // necessary so we just optimize those out here.
-          uint32_t num_bytes = static_cast<uint32_t>(element.data.size());
-          MojoCreateDataPipeOptions options;
-          options.struct_size = sizeof(MojoCreateDataPipeOptions);
-          options.flags = MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE;
-          options.element_num_bytes = 1;
-          options.capacity_num_bytes = num_bytes;
-          DataPipe data_pipe(options);
-          url_request->body.push_back(std::move(data_pipe.consumer_handle));
-          WriteDataRaw(data_pipe.producer_handle.get(),
-                       element.data.data(),
-                       &num_bytes,
-                       MOJO_WRITE_DATA_FLAG_ALL_OR_NONE);
-        }
-        break;
-      case blink::WebHTTPBody::Element::TypeFile:
-      case blink::WebHTTPBody::Element::TypeFileSystemURL:
-      case blink::WebHTTPBody::Element::TypeBlob:
-        // TODO(mpcomplete): handle these.
-        NOTIMPLEMENTED();
-        break;
-      default:
-        NOTREACHED();
-    }
-  }
-}
-
-} // namespace
-
-URLRequestPtr TypeConverter<URLRequestPtr, blink::WebURLRequest>::Convert(
-    const blink::WebURLRequest& request) {
-  URLRequestPtr url_request(URLRequest::New());
-  url_request->url = request.url().string().utf8();
-  url_request->method = request.httpMethod().utf8();
-
-  HeaderFlattener flattener;
-  request.visitHTTPHeaderFields(&flattener);
-  url_request->headers = flattener.GetBuffer();
-
-  AddRequestBody(url_request.get(), request);
-
-  return url_request;
-}
-
-}  // namespace mojo
-