cef/libcef/browser/resource_dispatcher_host_de...

123 lines
4.3 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework 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 "libcef/browser/resource_dispatcher_host_delegate.h"
#include "libcef/browser/browser_host_impl.h"
#include "libcef/browser/origin_whitelist_impl.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/request_impl.h"
#include "base/memory/scoped_vector.h"
#include "components/navigation_interception/intercept_navigation_resource_throttle.h"
#include "components/navigation_interception/navigation_params.h"
#include "content/public/browser/resource_request_info.h"
#include "content/public/common/resource_response.h"
#include "net/http/http_response_headers.h"
#include "net/url_request/url_request.h"
namespace {
bool NavigationOnUIThread(
int64 frame_id,
CefRefPtr<CefRequestImpl> request,
content::RenderViewHost* source,
const navigation_interception::NavigationParams& params) {
CEF_REQUIRE_UIT();
bool ignore_navigation = false;
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserForHost(source);
DCHECK(browser.get());
if (browser.get()) {
CefRefPtr<CefClient> client = browser->GetClient();
if (client.get()) {
CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
if (handler.get()) {
CefRefPtr<CefFrame> frame;
if (frame_id >= 0)
frame = browser->GetFrame(frame_id);
DCHECK(frame.get());
if (frame.get()) {
ignore_navigation = handler->OnBeforeBrowse(
browser.get(), frame, request.get(), params.is_redirect());
}
}
}
}
return ignore_navigation;
}
} // namespace
CefResourceDispatcherHostDelegate::CefResourceDispatcherHostDelegate() {
}
CefResourceDispatcherHostDelegate::~CefResourceDispatcherHostDelegate() {
}
void CefResourceDispatcherHostDelegate::RequestBeginning(
net::URLRequest* request,
content::ResourceContext* resource_context,
appcache::AppCacheService* appcache_service,
ResourceType::Type resource_type,
int child_id,
int route_id,
bool is_continuation_of_transferred_request,
ScopedVector<content::ResourceThrottle>* throttles) {
if (resource_type == ResourceType::MAIN_FRAME ||
resource_type == ResourceType::SUB_FRAME) {
int64 frame_id = -1;
// ResourceRequestInfo will not exist for requests originating from
// WebURLLoader in the render process.
const content::ResourceRequestInfo* info =
content::ResourceRequestInfo::ForRequest(request);
if (info)
frame_id = info->GetFrameID();
if (frame_id >= 0) {
CefRefPtr<CefRequestImpl> cef_request(new CefRequestImpl);
cef_request->Set(request);
cef_request->SetReadOnly(true);
content::ResourceThrottle* throttle =
new navigation_interception::InterceptNavigationResourceThrottle(
request,
base::Bind(&NavigationOnUIThread, frame_id, cef_request));
throttles->push_back(throttle);
}
}
}
bool CefResourceDispatcherHostDelegate::HandleExternalProtocol(const GURL& url,
int child_id,
int route_id) {
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserByRoutingID(child_id, route_id);
if (browser.get())
browser->HandleExternalProtocol(url);
return false;
}
void CefResourceDispatcherHostDelegate::OnRequestRedirected(
const GURL& redirect_url,
net::URLRequest* request,
content::ResourceContext* resource_context,
content::ResourceResponse* response) {
const GURL& active_url = request->url();
if (active_url.is_valid() && redirect_url.is_valid() &&
active_url.GetOrigin() != redirect_url.GetOrigin() &&
HasCrossOriginWhitelistEntry(active_url, redirect_url)) {
if (!response->head.headers)
response->head.headers = new net::HttpResponseHeaders(std::string());
// Add CORS headers to support XMLHttpRequest redirects.
response->head.headers->AddHeader("Access-Control-Allow-Origin: " +
active_url.scheme() + "://" + active_url.host());
response->head.headers->AddHeader("Access-Control-Allow-Credentials: true");
}
}