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|
// 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 "content/browser/loader/mime_sniffing_resource_handler.h"
#include <stdint.h>
#include <memory>
#include "base/files/file_path.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "content/browser/loader/intercepting_resource_handler.h"
#include "content/browser/loader/resource_dispatcher_host_impl.h"
#include "content/browser/loader/test_resource_handler.h"
#include "content/public/browser/resource_controller.h"
#include "content/public/browser/resource_dispatcher_host_delegate.h"
#include "content/public/browser/resource_request_info.h"
#include "content/public/common/resource_response.h"
#include "content/public/common/webplugininfo.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "content/public/test/test_utils.h"
#include "content/test/fake_plugin_service.h"
#include "net/url_request/url_request_context.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
namespace {
class TestResourceDispatcherHostDelegate
: public ResourceDispatcherHostDelegate {
public:
explicit TestResourceDispatcherHostDelegate(bool must_download)
: must_download_(must_download) {}
bool ShouldForceDownloadResource(const GURL& url,
const std::string& mime_type) override {
return must_download_;
}
private:
const bool must_download_;
};
class TestResourceDispatcherHost : public ResourceDispatcherHostImpl {
public:
explicit TestResourceDispatcherHost(bool stream_has_handler)
: stream_has_handler_(stream_has_handler),
intercepted_as_stream_(false),
intercepted_as_stream_count_(0),
new_resource_handler_(nullptr) {}
bool intercepted_as_stream() const { return intercepted_as_stream_; }
std::unique_ptr<ResourceHandler> CreateResourceHandlerForDownload(
net::URLRequest* request,
bool is_content_initiated,
bool must_download,
bool is_new_request) override {
return CreateNewResourceHandler();
}
std::unique_ptr<ResourceHandler> MaybeInterceptAsStream(
const base::FilePath& plugin_path,
net::URLRequest* request,
ResourceResponse* response,
std::string* payload) override {
intercepted_as_stream_count_++;
if (stream_has_handler_)
intercepted_as_stream_ = true;
return CreateNewResourceHandler();
}
int intercepted_as_stream_count() const {
return intercepted_as_stream_count_;
}
TestResourceHandler* new_resource_handler() const {
return new_resource_handler_;
}
private:
std::unique_ptr<ResourceHandler> CreateNewResourceHandler() {
std::unique_ptr<TestResourceHandler> new_resource_handler(
new TestResourceHandler());
new_resource_handler->set_on_response_started_result(false);
new_resource_handler_ = new_resource_handler.get();
return std::move(new_resource_handler);
}
// Whether the URL request should be intercepted as a stream.
bool stream_has_handler_;
// Whether the URL request has been intercepted as a stream.
bool intercepted_as_stream_;
// Count of number of times MaybeInterceptAsStream function get called in a
// test.
int intercepted_as_stream_count_;
// The last alternative TestResourceHandler created by this
// TestResourceDispatcherHost.
TestResourceHandler* new_resource_handler_;
};
class TestFakePluginService : public FakePluginService {
public:
// If |is_plugin_stale| is true, GetPluginInfo will indicate the plugins are
// stale until GetPlugins is called.
TestFakePluginService(bool plugin_available, bool is_plugin_stale)
: plugin_available_(plugin_available),
is_plugin_stale_(is_plugin_stale) {}
bool GetPluginInfo(int render_process_id,
int render_frame_id,
ResourceContext* context,
const GURL& url,
const url::Origin& main_frame_origin,
const std::string& mime_type,
bool allow_wildcard,
bool* is_stale,
WebPluginInfo* info,
std::string* actual_mime_type) override {
*is_stale = is_plugin_stale_;
if (!is_plugin_stale_ || !plugin_available_)
return false;
info->type = WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN;
info->path = base::FilePath::FromUTF8Unsafe(
std::string("chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/"));
return true;
}
void GetPlugins(const GetPluginsCallback& callback) override {
is_plugin_stale_ = false;
std::vector<WebPluginInfo> plugins;
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(callback, plugins));
}
private:
const bool plugin_available_;
bool is_plugin_stale_;
DISALLOW_COPY_AND_ASSIGN(TestFakePluginService);
};
class TestResourceController : public ResourceController {
public:
TestResourceController() : cancel_call_count_(0), resume_call_count_(0) {}
void Cancel() override { cancel_call_count_++; }
void CancelAndIgnore() override { NOTREACHED(); }
void CancelWithError(int error_code) override { NOTREACHED(); }
void Resume() override { resume_call_count_++; }
int cancel_call_count() const { return cancel_call_count_; }
int resume_call_count() const { return resume_call_count_; }
private:
int cancel_call_count_;
int resume_call_count_;
};
} // namespace
class MimeSniffingResourceHandlerTest : public testing::Test {
public:
MimeSniffingResourceHandlerTest()
: stream_has_handler_(false),
plugin_available_(false),
plugin_stale_(false) {}
// Tests that the MimeSniffingHandler properly sets the accept field in the
// header. Returns the accept header value.
std::string TestAcceptHeaderSetting(ResourceType request_resource_type);
std::string TestAcceptHeaderSettingWithURLRequest(
ResourceType request_resource_type,
net::URLRequest* request);
void set_stream_has_handler(bool stream_has_handler) {
stream_has_handler_ = stream_has_handler;
}
void set_plugin_available(bool plugin_available) {
plugin_available_ = plugin_available;
}
void set_plugin_stale(bool plugin_stale) { plugin_stale_ = plugin_stale; }
bool TestStreamIsIntercepted(bool allow_download,
bool must_download,
ResourceType request_resource_type);
// Tests the operation of the MimeSniffingHandler when it needs to buffer
// data (example case: the response is text/plain).
void TestHandlerSniffing(bool response_started,
bool defer_response_started,
bool will_read,
bool read_completed,
bool defer_read_completed);
// Tests the operation of the MimeSniffingHandler when it doesn't buffer
// data (example case: the response is text/html).
void TestHandlerNoSniffing(bool response_started,
bool defer_response_started,
bool will_read,
bool read_completed,
bool defer_read_completed);
private:
// Whether the URL request should be intercepted as a stream.
bool stream_has_handler_;
bool plugin_available_;
bool plugin_stale_;
TestBrowserThreadBundle thread_bundle_;
};
std::string MimeSniffingResourceHandlerTest::TestAcceptHeaderSetting(
ResourceType request_resource_type) {
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
return TestAcceptHeaderSettingWithURLRequest(request_resource_type,
request.get());
}
std::string
MimeSniffingResourceHandlerTest::TestAcceptHeaderSettingWithURLRequest(
ResourceType request_resource_type,
net::URLRequest* request) {
bool is_main_frame = request_resource_type == RESOURCE_TYPE_MAIN_FRAME;
ResourceRequestInfo::AllocateForTesting(request, request_resource_type,
nullptr, // context
0, // render_process_id
0, // render_view_id
0, // render_frame_id
is_main_frame, // is_main_frame
false, // parent_is_main_frame
false, // allow_download
true, // is_async
false); // is_using_lofi
std::unique_ptr<TestResourceHandler> scoped_test_handler(
new TestResourceHandler());
scoped_test_handler->set_on_response_started_result(false);
std::unique_ptr<ResourceHandler> mime_sniffing_handler(
new MimeSniffingResourceHandler(std::move(scoped_test_handler), nullptr,
nullptr, nullptr, request,
REQUEST_CONTEXT_TYPE_UNSPECIFIED));
bool defer = false;
mime_sniffing_handler->OnWillStart(request->url(), &defer);
content::RunAllPendingInMessageLoop();
std::string accept_header;
request->extra_request_headers().GetHeader("Accept", &accept_header);
return accept_header;
}
bool MimeSniffingResourceHandlerTest::TestStreamIsIntercepted(
bool allow_download,
bool must_download,
ResourceType request_resource_type) {
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
bool is_main_frame = request_resource_type == RESOURCE_TYPE_MAIN_FRAME;
ResourceRequestInfo::AllocateForTesting(request.get(), request_resource_type,
nullptr, // context
0, // render_process_id
0, // render_view_id
0, // render_frame_id
is_main_frame, // is_main_frame
false, // parent_is_main_frame
allow_download, // allow_download
true, // is_async
false); // is_using_lofi
TestResourceDispatcherHost host(stream_has_handler_);
TestResourceDispatcherHostDelegate host_delegate(must_download);
host.SetDelegate(&host_delegate);
TestFakePluginService plugin_service(plugin_available_, plugin_stale_);
std::unique_ptr<InterceptingResourceHandler> intercepting_handler(
new InterceptingResourceHandler(base::MakeUnique<TestResourceHandler>(),
nullptr));
std::unique_ptr<TestResourceHandler> scoped_test_handler(
new TestResourceHandler());
scoped_test_handler->set_on_response_started_result(false);
std::unique_ptr<ResourceHandler> mime_handler(new MimeSniffingResourceHandler(
std::unique_ptr<ResourceHandler>(std::move(scoped_test_handler)), &host,
&plugin_service, intercepting_handler.get(), request.get(),
REQUEST_CONTEXT_TYPE_UNSPECIFIED));
TestResourceController resource_controller;
mime_handler->SetController(&resource_controller);
scoped_refptr<ResourceResponse> response(new ResourceResponse);
// The MIME type isn't important but it shouldn't be empty.
response->head.mime_type = "application/pdf";
bool defer = false;
mime_handler->OnWillStart(request->url(), &defer);
EXPECT_FALSE(defer);
mime_handler->OnResponseStarted(response.get(), &defer);
content::RunAllPendingInMessageLoop();
EXPECT_LT(host.intercepted_as_stream_count(), 2);
if (allow_download)
EXPECT_TRUE(intercepting_handler->new_handler_for_testing());
return host.intercepted_as_stream();
}
void MimeSniffingResourceHandlerTest::TestHandlerSniffing(
bool response_started,
bool defer_response_started,
bool will_read,
bool read_completed,
bool defer_read_completed) {
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
ResourceRequestInfo::AllocateForTesting(request.get(),
RESOURCE_TYPE_MAIN_FRAME,
nullptr, // context
0, // render_process_id
0, // render_view_id
0, // render_frame_id
true, // is_main_frame
false, // parent_is_main_frame
false, // allow_download
true, // is_async
false); // is_using_lofi
TestResourceDispatcherHost host(false);
TestResourceDispatcherHostDelegate host_delegate(false);
host.SetDelegate(&host_delegate);
TestFakePluginService plugin_service(plugin_available_, plugin_stale_);
std::unique_ptr<InterceptingResourceHandler> intercepting_handler(
new InterceptingResourceHandler(base::MakeUnique<TestResourceHandler>(),
nullptr));
std::unique_ptr<TestResourceHandler> scoped_test_handler(
new TestResourceHandler());
scoped_test_handler->set_on_response_started_result(response_started);
scoped_test_handler->set_defer_on_response_started(defer_response_started);
scoped_test_handler->set_on_will_read_result(will_read);
scoped_test_handler->set_on_read_completed_result(read_completed);
scoped_test_handler->set_defer_on_read_completed(defer_read_completed);
TestResourceHandler* test_handler = scoped_test_handler.get();
std::unique_ptr<MimeSniffingResourceHandler> mime_sniffing_handler(
new MimeSniffingResourceHandler(std::move(scoped_test_handler), &host,
&plugin_service,
intercepting_handler.get(), request.get(),
REQUEST_CONTEXT_TYPE_UNSPECIFIED));
TestResourceController resource_controller;
mime_sniffing_handler->SetController(&resource_controller);
bool defer = false;
mime_sniffing_handler->OnWillStart(GURL(), &defer);
// The response should be sniffed.
scoped_refptr<ResourceResponse> response(new ResourceResponse);
response->head.mime_type.assign("text/plain");
// Simulate the response starting. The MimeSniffingHandler should start
// buffering, so the return value should always be true.
EXPECT_TRUE(mime_sniffing_handler->OnResponseStarted(response.get(), &defer));
EXPECT_EQ(0, resource_controller.cancel_call_count());
EXPECT_EQ(0, resource_controller.resume_call_count());
EXPECT_FALSE(defer);
// Read some data to sniff the mime type. This will ask the next
// ResourceHandler for a buffer.
scoped_refptr<net::IOBuffer> read_buffer;
int buf_size = 0;
EXPECT_EQ(will_read,
mime_sniffing_handler->OnWillRead(&read_buffer, &buf_size, -1));
EXPECT_EQ(0, resource_controller.cancel_call_count());
if (!will_read) {
EXPECT_EQ(1, test_handler->on_will_start_called());
EXPECT_EQ(0, test_handler->on_request_redirected_called());
EXPECT_EQ(0, test_handler->on_response_started_called());
EXPECT_EQ(1, test_handler->on_will_read_called());
EXPECT_EQ(0, test_handler->on_read_completed_called());
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
return;
}
// Simulate an HTML page. The mime sniffer will identify the MimeType and
// proceed with replay.
char data[] = "!DOCTYPE html\n<head>\n<title>Foo</title>\n</head>";
memcpy(read_buffer->data(), data, sizeof(data));
defer = false;
bool return_value =
mime_sniffing_handler->OnReadCompleted(sizeof(data), &defer);
// If the next handler cancels the response start, the caller of
// MimeSniffingHandler::OnReadCompleted should be notified immediately.
if (!response_started) {
EXPECT_FALSE(defer);
EXPECT_EQ(response_started, return_value);
EXPECT_EQ(0, resource_controller.cancel_call_count());
EXPECT_EQ(1, test_handler->on_will_start_called());
EXPECT_EQ(0, test_handler->on_request_redirected_called());
EXPECT_EQ(1, test_handler->on_response_started_called());
EXPECT_EQ(1, test_handler->on_will_read_called());
EXPECT_EQ(0, test_handler->on_read_completed_called());
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
return;
}
// The replay can be deferred both at response started and read replay
// stages.
EXPECT_EQ(defer, defer_response_started || defer_read_completed);
if (defer_response_started) {
EXPECT_TRUE(defer);
EXPECT_TRUE(return_value);
EXPECT_EQ(MimeSniffingResourceHandler::STATE_REPLAYING_RESPONSE_RECEIVED,
mime_sniffing_handler->state_);
mime_sniffing_handler->Resume();
}
// The body that was sniffed should be transmitted to the next handler. This
// may cancel the request.
if (!read_completed) {
if (defer_response_started) {
EXPECT_EQ(1, resource_controller.cancel_call_count());
} else {
EXPECT_EQ(0, resource_controller.cancel_call_count());
EXPECT_FALSE(return_value);
}
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
return;
}
EXPECT_EQ(MimeSniffingResourceHandler::STATE_STREAMING,
mime_sniffing_handler->state_);
// The request may be deferred by the next handler once the read is done.
if (defer_read_completed) {
EXPECT_TRUE(defer);
mime_sniffing_handler->Resume();
}
EXPECT_EQ(MimeSniffingResourceHandler::STATE_STREAMING,
mime_sniffing_handler->state_);
EXPECT_EQ(0, resource_controller.cancel_call_count());
// Even if the next handler defers the request twice, the
// MimeSniffingResourceHandler should only call Resume on its controller
// once.
if (defer_response_started || defer_read_completed) {
EXPECT_EQ(1, resource_controller.resume_call_count());
} else {
EXPECT_EQ(0, resource_controller.resume_call_count());
}
EXPECT_EQ(1, test_handler->on_will_start_called());
EXPECT_EQ(0, test_handler->on_request_redirected_called());
EXPECT_EQ(1, test_handler->on_response_started_called());
EXPECT_EQ(1, test_handler->on_will_read_called());
EXPECT_EQ(1, test_handler->on_read_completed_called());
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
}
void MimeSniffingResourceHandlerTest::TestHandlerNoSniffing(
bool response_started,
bool defer_response_started,
bool will_read,
bool read_completed,
bool defer_read_completed) {
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
ResourceRequestInfo::AllocateForTesting(request.get(),
RESOURCE_TYPE_MAIN_FRAME,
nullptr, // context
0, // render_process_id
0, // render_view_id
0, // render_frame_id
true, // is_main_frame
false, // parent_is_main_frame
false, // allow_download
true, // is_async
false); // is_using_lofi
TestResourceDispatcherHost host(false);
TestResourceDispatcherHostDelegate host_delegate(false);
host.SetDelegate(&host_delegate);
TestFakePluginService plugin_service(plugin_available_, plugin_stale_);
std::unique_ptr<InterceptingResourceHandler> intercepting_handler(
new InterceptingResourceHandler(base::MakeUnique<TestResourceHandler>(),
nullptr));
std::unique_ptr<TestResourceHandler> scoped_test_handler(
new TestResourceHandler());
scoped_test_handler->set_on_response_started_result(response_started);
scoped_test_handler->set_defer_on_response_started(defer_response_started);
scoped_test_handler->set_on_will_read_result(will_read);
scoped_test_handler->set_on_read_completed_result(read_completed);
scoped_test_handler->set_defer_on_read_completed(defer_read_completed);
TestResourceHandler* test_handler = scoped_test_handler.get();
std::unique_ptr<MimeSniffingResourceHandler> mime_sniffing_handler(
new MimeSniffingResourceHandler(std::move(scoped_test_handler), &host,
&plugin_service,
intercepting_handler.get(), request.get(),
REQUEST_CONTEXT_TYPE_UNSPECIFIED));
TestResourceController resource_controller;
mime_sniffing_handler->SetController(&resource_controller);
int expected_resume_calls = 0;
bool defer = false;
mime_sniffing_handler->OnWillStart(GURL(), &defer);
// The response should not be sniffed.
scoped_refptr<ResourceResponse> response(new ResourceResponse);
response->head.mime_type.assign("text/html");
// Simulate the response starting. There should be no need for buffering, so
// the return value should be that of the next handler.
EXPECT_EQ(response_started,
mime_sniffing_handler->OnResponseStarted(response.get(), &defer));
EXPECT_EQ(0, resource_controller.cancel_call_count());
if (!response_started) {
EXPECT_FALSE(defer);
EXPECT_EQ(1, test_handler->on_will_start_called());
EXPECT_EQ(0, test_handler->on_request_redirected_called());
EXPECT_EQ(1, test_handler->on_response_started_called());
EXPECT_EQ(0, test_handler->on_will_read_called());
EXPECT_EQ(0, test_handler->on_read_completed_called());
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
return;
}
EXPECT_EQ(defer_response_started, defer);
if (defer) {
EXPECT_EQ(MimeSniffingResourceHandler::STATE_REPLAYING_RESPONSE_RECEIVED,
mime_sniffing_handler->state_);
expected_resume_calls++;
mime_sniffing_handler->Resume();
}
EXPECT_EQ(expected_resume_calls, resource_controller.resume_call_count());
// The MimeSniffingResourceHandler should be acting as a pass-through
// ResourceHandler.
scoped_refptr<net::IOBuffer> read_buffer;
int buf_size = 0;
EXPECT_EQ(will_read,
mime_sniffing_handler->OnWillRead(&read_buffer, &buf_size, -1));
EXPECT_EQ(0, resource_controller.cancel_call_count());
if (!will_read) {
EXPECT_EQ(1, test_handler->on_will_start_called());
EXPECT_EQ(0, test_handler->on_request_redirected_called());
EXPECT_EQ(1, test_handler->on_response_started_called());
EXPECT_EQ(1, test_handler->on_will_read_called());
EXPECT_EQ(0, test_handler->on_read_completed_called());
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
return;
}
defer = false;
EXPECT_EQ(read_completed,
mime_sniffing_handler->OnReadCompleted(2000, &defer));
EXPECT_EQ(0, resource_controller.cancel_call_count());
EXPECT_EQ(1, test_handler->on_will_start_called());
EXPECT_EQ(0, test_handler->on_request_redirected_called());
EXPECT_EQ(1, test_handler->on_response_started_called());
EXPECT_EQ(1, test_handler->on_will_read_called());
EXPECT_EQ(1, test_handler->on_read_completed_called());
if (!read_completed) {
EXPECT_FALSE(defer);
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
return;
}
EXPECT_EQ(defer_read_completed, defer);
if (defer) {
expected_resume_calls++;
mime_sniffing_handler->Resume();
}
EXPECT_EQ(expected_resume_calls, resource_controller.resume_call_count());
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
}
// Test that the proper Accept: header is set based on the ResourceType
TEST_F(MimeSniffingResourceHandlerTest, AcceptHeaders) {
EXPECT_EQ(
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,"
"*/*;q=0.8",
TestAcceptHeaderSetting(RESOURCE_TYPE_MAIN_FRAME));
EXPECT_EQ(
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,"
"*/*;q=0.8",
TestAcceptHeaderSetting(RESOURCE_TYPE_SUB_FRAME));
EXPECT_EQ("text/css,*/*;q=0.1",
TestAcceptHeaderSetting(RESOURCE_TYPE_STYLESHEET));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_SCRIPT));
EXPECT_EQ("image/webp,image/*,*/*;q=0.8",
TestAcceptHeaderSetting(RESOURCE_TYPE_IMAGE));
EXPECT_EQ("image/webp,image/*,*/*;q=0.8",
TestAcceptHeaderSetting(RESOURCE_TYPE_FAVICON));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_FONT_RESOURCE));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_SUB_RESOURCE));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_OBJECT));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_MEDIA));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_WORKER));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_SHARED_WORKER));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_PREFETCH));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_XHR));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_PING));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_SERVICE_WORKER));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_CSP_REPORT));
EXPECT_EQ("*/*", TestAcceptHeaderSetting(RESOURCE_TYPE_PLUGIN_RESOURCE));
// Ensure that if an Accept header is already set, it is not overwritten.
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
request->SetExtraRequestHeaderByName("Accept", "*", true);
EXPECT_EQ("*", TestAcceptHeaderSettingWithURLRequest(RESOURCE_TYPE_XHR,
request.get()));
}
// Test that stream requests are correctly intercepted under the right
// circumstances. Test is not relevent when plugins are disabled.
#if defined(ENABLE_PLUGINS)
TEST_F(MimeSniffingResourceHandlerTest, StreamHandling) {
bool allow_download;
bool must_download;
ResourceType resource_type;
// Ensure the stream is handled by MaybeInterceptAsStream in the
// ResourceDispatcherHost.
set_stream_has_handler(true);
set_plugin_available(true);
// Main frame request with no download allowed. Stream shouldn't be
// intercepted.
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_MAIN_FRAME;
EXPECT_FALSE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Main frame request with download allowed. Stream should be intercepted.
allow_download = true;
must_download = false;
resource_type = RESOURCE_TYPE_MAIN_FRAME;
EXPECT_TRUE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Main frame request with download forced. Stream shouldn't be intercepted.
allow_download = true;
must_download = true;
resource_type = RESOURCE_TYPE_MAIN_FRAME;
EXPECT_FALSE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Sub-resource request with download not allowed. Stream shouldn't be
// intercepted.
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_SUB_RESOURCE;
EXPECT_FALSE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Plugin resource request with download not allowed. Stream shouldn't be
// intercepted.
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_PLUGIN_RESOURCE;
EXPECT_FALSE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Object request with download not allowed. Stream should be intercepted.
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_OBJECT;
EXPECT_TRUE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Test the cases where the stream isn't handled by MaybeInterceptAsStream
// in the ResourceDispatcherHost.
set_stream_has_handler(false);
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_OBJECT;
EXPECT_FALSE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Test the cases where the stream handled by MaybeInterceptAsStream
// with plugin not available. This is the case when intercepting streams for
// the streamsPrivate extensions API.
set_stream_has_handler(true);
set_plugin_available(false);
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_OBJECT;
EXPECT_TRUE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
// Test the cases where the stream handled by MaybeInterceptAsStream
// with plugin not available. This is the case when intercepting streams for
// the streamsPrivate extensions API with stale plugin.
set_plugin_stale(true);
allow_download = false;
must_download = false;
resource_type = RESOURCE_TYPE_OBJECT;
EXPECT_TRUE(
TestStreamIsIntercepted(allow_download, must_download, resource_type));
}
#endif
// Test that the MimeSniffingHandler operates properly when it doesn't sniff
// resources.
TEST_F(MimeSniffingResourceHandlerTest, NoSniffing) {
// Test simple case.
TestHandlerNoSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
false /* defer_read_completed */);
// Test deferral in OnResponseStarted and/or in OnReadCompleted.
TestHandlerNoSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerNoSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
true /* defer_read_completed */);
TestHandlerNoSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
true /* defer_read_completed */);
// Test cancel in OnResponseStarted, OnWillRead, OnReadCompleted.
TestHandlerNoSniffing(
false /* response_started_succeeds */,
false /* defer_response_started */,
false /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerNoSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
false /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerNoSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
true /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
// Test cancel after OnResponseStarted deferral.
TestHandlerNoSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
false /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerNoSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
true /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
content::RunAllPendingInMessageLoop();
}
// Test that the MimeSniffingHandler operates properly when it sniffs
// resources.
TEST_F(MimeSniffingResourceHandlerTest, Sniffing) {
// Test simple case.
TestHandlerSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
false /* defer_read_completed */);
// Test deferral in OnResponseStarted and/or in OnReadCompleted.
TestHandlerSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
true /* defer_read_completed */);
TestHandlerSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
true /* will_read_succeeds */,
true /* read_completed_succeeds */,
true /* defer_read_completed */);
// Test cancel in OnResponseStarted, OnWillRead, OnReadCompleted.
TestHandlerSniffing(
false /* response_started_succeeds */,
false /* defer_response_started */,
false /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
false /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerSniffing(
true /* response_started_succeeds */,
false /* defer_response_started */,
true /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
// Test cancel after OnResponseStarted deferral.
TestHandlerSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
false /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
TestHandlerSniffing(
true /* response_started_succeeds */,
true /* defer_response_started */,
true /* will_read_succeeds */,
false /* read_completed_succeeds */,
false /* defer_read_completed */);
content::RunAllPendingInMessageLoop();
}
// Tests that 304s do not trigger a change in handlers.
TEST_F(MimeSniffingResourceHandlerTest, 304Handling) {
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
ResourceRequestInfo::AllocateForTesting(request.get(),
RESOURCE_TYPE_MAIN_FRAME,
nullptr, // context
0, // render_process_id
0, // render_view_id
0, // render_frame_id
true, // is_main_frame
false, // parent_is_main_frame
true, // allow_download
true, // is_async
false); // is_using_lofi
TestResourceDispatcherHost host(false);
TestResourceDispatcherHostDelegate host_delegate(false);
host.SetDelegate(&host_delegate);
TestFakePluginService plugin_service(false, false);
std::unique_ptr<ResourceHandler> intercepting_handler(
new InterceptingResourceHandler(base::MakeUnique<TestResourceHandler>(),
nullptr));
std::unique_ptr<ResourceHandler> mime_handler(new MimeSniffingResourceHandler(
std::unique_ptr<ResourceHandler>(new TestResourceHandler()), &host,
&plugin_service,
static_cast<InterceptingResourceHandler*>(intercepting_handler.get()),
request.get(), REQUEST_CONTEXT_TYPE_UNSPECIFIED));
TestResourceController resource_controller;
mime_handler->SetController(&resource_controller);
// Request starts.
bool defer = false;
mime_handler->OnWillStart(request->url(), &defer);
EXPECT_FALSE(defer);
// Simulate a 304 response.
scoped_refptr<ResourceResponse> response(new ResourceResponse);
// The MIME type isn't important but it shouldn't be empty.
response->head.mime_type = "application/pdf";
response->head.headers = new net::HttpResponseHeaders("HTTP/1.x 304 OK");
// The response is received. No new ResourceHandler should be created to
// handle the download.
mime_handler->OnResponseStarted(response.get(), &defer);
EXPECT_FALSE(defer);
EXPECT_FALSE(host.new_resource_handler());
content::RunAllPendingInMessageLoop();
}
TEST_F(MimeSniffingResourceHandlerTest, FetchShouldDisableMimeSniffing) {
net::URLRequestContext context;
std::unique_ptr<net::URLRequest> request(context.CreateRequest(
GURL("http://www.google.com"), net::DEFAULT_PRIORITY, nullptr));
ResourceRequestInfo::AllocateForTesting(request.get(),
RESOURCE_TYPE_MAIN_FRAME,
nullptr, // context
0, // render_process_id
0, // render_view_id
0, // render_frame_id
true, // is_main_frame
false, // parent_is_main_frame
false, // allow_download
true, // is_async
false); // is_using_lofi
TestResourceDispatcherHost host(false);
TestFakePluginService plugin_service(false, false);
std::unique_ptr<InterceptingResourceHandler> intercepting_handler(
new InterceptingResourceHandler(base::MakeUnique<TestResourceHandler>(),
nullptr));
std::unique_ptr<TestResourceHandler> scoped_test_handler(
new TestResourceHandler());
scoped_test_handler->set_on_response_started_result(false);
std::unique_ptr<ResourceHandler> mime_sniffing_handler(
new MimeSniffingResourceHandler(std::move(scoped_test_handler), &host,
&plugin_service,
intercepting_handler.get(), request.get(),
REQUEST_CONTEXT_TYPE_FETCH));
TestResourceController resource_controller;
mime_sniffing_handler->SetController(&resource_controller);
bool defer = false;
mime_sniffing_handler->OnWillStart(GURL(), &defer);
ASSERT_FALSE(defer);
scoped_refptr<ResourceResponse> response(new ResourceResponse);
response->head.mime_type = "text/plain";
// |mime_sniffing_handler->OnResponseStarted| should return false because
// mime sniffing is disabled and the wrapped resource handler returns false
// on OnResponseStarted.
EXPECT_FALSE(
mime_sniffing_handler->OnResponseStarted(response.get(), &defer));
// Process all messages to ensure proper test teardown.
content::RunAllPendingInMessageLoop();
}
} // namespace content
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