2012-04-03 03:34:16 +02:00
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// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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2015-11-26 03:53:12 +01:00
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#include "libcef/browser/net/url_request_interceptor.h"
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2012-04-03 03:34:16 +02:00
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#include <string>
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#include "libcef/browser/browser_host_impl.h"
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2017-11-29 00:00:50 +01:00
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#include "libcef/browser/net/net_util.h"
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2015-11-26 03:53:12 +01:00
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#include "libcef/browser/net/resource_request_job.h"
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2012-04-03 03:34:16 +02:00
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#include "libcef/browser/thread_util.h"
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2015-11-26 03:53:12 +01:00
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#include "libcef/common/net/http_header_utils.h"
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2012-04-03 03:34:16 +02:00
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#include "libcef/common/request_impl.h"
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2015-03-11 19:44:11 +01:00
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#include "libcef/common/response_impl.h"
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2012-04-03 03:34:16 +02:00
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2015-03-11 19:44:11 +01:00
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#include "net/base/upload_data_stream.h"
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#include "net/http/http_response_headers.h"
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#include "net/url_request/url_request_job_manager.h"
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2012-04-03 03:34:16 +02:00
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#include "net/url_request/url_request_redirect_job.h"
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CefRequestInterceptor::CefRequestInterceptor() {
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CEF_REQUIRE_IOT();
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}
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CefRequestInterceptor::~CefRequestInterceptor() {
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CEF_REQUIRE_IOT();
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}
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2014-12-13 21:18:31 +01:00
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net::URLRequestJob* CefRequestInterceptor::MaybeInterceptRequest(
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2012-08-29 00:26:35 +02:00
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net::URLRequest* request,
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net::NetworkDelegate* network_delegate) const {
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if (net_util::IsInternalRequest(request))
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return nullptr;
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2019-04-24 04:50:25 +02:00
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CefRefPtr<CefRequestImpl> requestPtr;
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CefRefPtr<CefBrowser> browser;
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CefRefPtr<CefFrame> frame;
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CefRefPtr<CefResourceRequestHandler> handler =
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net_util::GetResourceRequestHandler(request, requestPtr, browser, frame);
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if (handler) {
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// Give the client an opportunity to replace the request.
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CefRefPtr<CefResourceHandler> resourceHandler =
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handler->GetResourceHandler(browser, frame, requestPtr.get());
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if (resourceHandler) {
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return new CefResourceRequestJob(request, network_delegate,
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resourceHandler);
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2012-04-03 03:34:16 +02:00
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}
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}
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2017-11-29 00:00:50 +01:00
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return nullptr;
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2012-04-03 03:34:16 +02:00
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}
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net::URLRequestJob* CefRequestInterceptor::MaybeInterceptRedirect(
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net::URLRequest* request,
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net::NetworkDelegate* network_delegate,
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const GURL& location) const {
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if (net_util::IsInternalRequest(request))
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return nullptr;
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2019-04-24 04:50:25 +02:00
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CefRefPtr<CefRequestImpl> requestPtr;
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CefRefPtr<CefBrowser> browser;
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CefRefPtr<CefFrame> frame;
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CefRefPtr<CefResourceRequestHandler> handler =
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net_util::GetResourceRequestHandler(request, requestPtr, browser, frame);
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if (handler) {
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CefRefPtr<CefResponseImpl> responsePtr = new CefResponseImpl();
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responsePtr->Set(request);
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responsePtr->SetReadOnly(true);
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// Give the client an opportunity to redirect the request.
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CefString newUrlStr = location.spec();
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handler->OnResourceRedirect(browser, frame, requestPtr.get(),
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responsePtr.get(), newUrlStr);
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if (newUrlStr != location.spec()) {
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const GURL new_url = GURL(newUrlStr.ToString());
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if (!new_url.is_empty() && new_url.is_valid()) {
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return new net::URLRequestRedirectJob(
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request, network_delegate, new_url,
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net::URLRequestRedirectJob::REDIRECT_307_TEMPORARY_REDIRECT,
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"Resource Redirect");
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2012-04-03 03:34:16 +02:00
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}
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}
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}
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2017-11-29 00:00:50 +01:00
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return nullptr;
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2012-04-03 03:34:16 +02:00
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}
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net::URLRequestJob* CefRequestInterceptor::MaybeInterceptResponse(
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2012-08-29 00:26:35 +02:00
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net::URLRequest* request,
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2014-12-13 21:18:31 +01:00
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net::NetworkDelegate* network_delegate) const {
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2017-11-29 00:00:50 +01:00
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if (net_util::IsInternalRequest(request))
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return nullptr;
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2019-04-24 04:50:25 +02:00
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CefRefPtr<CefRequestImpl> requestPtr;
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CefRefPtr<CefBrowser> browser;
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CefRefPtr<CefFrame> frame;
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CefRefPtr<CefResourceRequestHandler> handler =
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net_util::GetResourceRequestHandler(request, requestPtr, browser, frame);
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if (!handler)
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return nullptr;
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2015-03-11 19:44:11 +01:00
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2019-04-24 04:50:25 +02:00
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// The below callback allows modification of the request object.
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requestPtr->SetReadOnly(false);
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requestPtr->SetTrackChanges(true);
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2019-04-24 04:50:25 +02:00
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CefRefPtr<CefResponseImpl> responsePtr = new CefResponseImpl();
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responsePtr->Set(request);
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responsePtr->SetReadOnly(true);
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2015-03-11 19:44:11 +01:00
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2019-04-24 04:50:25 +02:00
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const GURL old_url = request->url();
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2015-03-11 19:44:11 +01:00
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// Give the client an opportunity to retry or redirect the request.
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if (!handler->OnResourceResponse(browser, frame, requestPtr.get(),
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responsePtr.get())) {
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return nullptr;
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2015-03-11 19:44:11 +01:00
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}
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// This flag will be reset by URLRequest::RestartWithJob() calling
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// URLRequest::PrepareToRestart() after this method returns but we need it
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// reset sooner so that we can modify the request headers without asserting.
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request->set_is_pending(false);
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2015-11-16 23:20:34 +01:00
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// Update the URLRequest with only the values that have been changed by the
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// client.
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2019-04-24 04:50:25 +02:00
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requestPtr->Get(request, true);
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2015-03-11 19:44:11 +01:00
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2015-11-16 23:20:34 +01:00
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// If the URL was changed then redirect the request.
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if (!!(requestPtr->GetChanges() & CefRequestImpl::kChangedUrl)) {
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const GURL new_url = old_url.Resolve(requestPtr->GetURL().ToString());
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if (new_url != old_url) {
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return new net::URLRequestRedirectJob(
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request, network_delegate, new_url,
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net::URLRequestRedirectJob::REDIRECT_307_TEMPORARY_REDIRECT,
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"Resource Redirect");
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}
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2015-03-11 19:44:11 +01:00
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}
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// Otherwise queue a new job.
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2017-05-17 11:29:28 +02:00
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return net::URLRequestJobManager::GetInstance()->CreateJob(request,
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network_delegate);
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2012-04-03 03:34:16 +02:00
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}
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