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// Copyright 2020 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 "base/base_switches.h"
#include "base/files/file_path.h"
#include "base/system/sys_info.h"
#include "build/build_config.h"
#include "components/prefs/pref_service.h"
#include "components/site_isolation/features.h"
#include "components/site_isolation/pref_names.h"
#include "components/user_prefs/user_prefs.h"
#include "content/public/browser/site_isolation_policy.h"
#include "content/public/common/content_client.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/test_navigation_observer.h"
#include "net/dns/mock_host_resolver.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "weblayer/browser/browser_context_impl.h"
#include "weblayer/browser/browser_impl.h"
#include "weblayer/browser/content_browser_client_impl.h"
#include "weblayer/browser/profile_impl.h"
#include "weblayer/browser/tab_impl.h"
#include "weblayer/shell/browser/shell.h"
#include "weblayer/test/weblayer_browser_test.h"
#include "weblayer/test/weblayer_browser_test_utils.h"
namespace weblayer {
using testing::IsEmpty;
using testing::UnorderedElementsAre;
class SiteIsolationBrowserTest : public WebLayerBrowserTest {
public:
SiteIsolationBrowserTest() {
feature_list_.InitWithFeaturesAndParameters(
{{site_isolation::features::kSitePerProcessOnlyForHighMemoryClients,
{{site_isolation::features::
kSitePerProcessOnlyForHighMemoryClientsParamName,
"128"}}},
{site_isolation::features::kSiteIsolationForPasswordSites, {}}},
{});
}
std::vector<std::string> GetSavedIsolatedSites() {
PrefService* prefs =
user_prefs::UserPrefs::Get(GetProfile()->GetBrowserContext());
auto* list =
prefs->GetList(site_isolation::prefs::kUserTriggeredIsolatedOrigins);
std::vector<std::string> sites;
for (const base::Value& value : list->GetList())
sites.push_back(value.GetString());
return sites;
}
// WebLayerBrowserTest:
void SetUpOnMainThread() override {
original_client_ = content::SetBrowserClientForTesting(&browser_client_);
host_resolver()->AddRule("*", "127.0.0.1");
embedded_test_server()->ServeFilesFromSourceDirectory("weblayer/test/data");
ASSERT_TRUE(embedded_test_server()->Start());
ASSERT_FALSE(
content::SiteIsolationPolicy::UseDedicatedProcessesForAllSites());
ASSERT_TRUE(
content::SiteIsolationPolicy::AreDynamicIsolatedOriginsEnabled());
}
void TearDownOnMainThread() override {
content::SetBrowserClientForTesting(original_client_);
}
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch("ignore-certificate-errors");
// This way the test always sees the same amount of physical memory
// (kLowMemoryDeviceThresholdMB = 512MB), regardless of how much memory is
// available in the testing environment.
base::CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kEnableLowEndDeviceMode);
EXPECT_EQ(512, base::SysInfo::AmountOfPhysicalMemoryMB());
}
content::WebContents* GetWebContents() {
return static_cast<TabImpl*>(shell()->tab())->web_contents();
}
private:
// A browser client which forces off strict site isolation, so the test can
// assume password isolation is enabled.
class SiteIsolationContentBrowserClient : public ContentBrowserClientImpl {
public:
SiteIsolationContentBrowserClient() : ContentBrowserClientImpl(nullptr) {}
bool ShouldEnableStrictSiteIsolation() override { return false; }
};
SiteIsolationContentBrowserClient browser_client_;
content::ContentBrowserClient* original_client_ = nullptr;
base::test::ScopedFeatureList feature_list_;
};
IN_PROC_BROWSER_TEST_F(SiteIsolationBrowserTest,
SiteIsIsolatedAfterEnteringPassword) {
GURL url = embedded_test_server()->GetURL("sub.foo.com",
"/simple_password_form.html");
NavigateAndWaitForCompletion(url, shell());
content::WebContents* contents = GetWebContents();
// foo.com should not be isolated to start with. Verify that a cross-site
// iframe does not become an OOPIF.
EXPECT_FALSE(
contents->GetMainFrame()->GetSiteInstance()->RequiresDedicatedProcess());
std::string kAppendIframe = R"(
var i = document.createElement('iframe');
i.id = 'child';
document.body.appendChild(i);)";
EXPECT_TRUE(content::ExecJs(contents, kAppendIframe));
GURL bar_url(embedded_test_server()->GetURL("bar.com", "/simple_page.html"));
EXPECT_TRUE(NavigateIframeToURL(contents, "child", bar_url));
content::RenderFrameHost* child = ChildFrameAt(contents->GetMainFrame(), 0);
EXPECT_FALSE(child->IsCrossProcessSubframe());
// Fill a form and submit through a <input type="submit"> button.
content::TestNavigationObserver observer(contents);
std::string kFillAndSubmit =
"document.getElementById('username_field').value = 'temp';"
"document.getElementById('password_field').value = 'random';"
"document.getElementById('input_submit_button').click()";
EXPECT_TRUE(content::ExecJs(contents, kFillAndSubmit));
observer.Wait();
// Since there were no script references from other windows, we should've
// swapped BrowsingInstances and put the result of the form submission into a
// dedicated process, locked to foo.com. Check that a cross-site iframe now
// becomes an OOPIF.
EXPECT_TRUE(
contents->GetMainFrame()->GetSiteInstance()->RequiresDedicatedProcess());
EXPECT_TRUE(ExecJs(contents, kAppendIframe));
EXPECT_TRUE(NavigateIframeToURL(contents, "child", bar_url));
child = ChildFrameAt(contents->GetMainFrame(), 0);
EXPECT_TRUE(child->IsCrossProcessSubframe());
}
// TODO(crbug.com/654704): Android does not support PRE_ tests.
#if !defined(OS_ANDROID)
IN_PROC_BROWSER_TEST_F(SiteIsolationBrowserTest,
PRE_IsolatedSitesPersistAcrossRestarts) {
// There shouldn't be any saved isolated origins to start with.
EXPECT_THAT(GetSavedIsolatedSites(), IsEmpty());
// Isolate saved.com and saved2.com persistently.
GURL saved_url =
embedded_test_server()->GetURL("saved.com", "/simple_page.html");
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved_url);
GURL saved2_url =
embedded_test_server()->GetURL("saved2.com", "/simple_page.html");
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved2_url);
NavigateAndWaitForCompletion(saved_url, shell());
EXPECT_TRUE(GetWebContents()
->GetMainFrame()
->GetSiteInstance()
->RequiresDedicatedProcess());
// Check that saved.com and saved2.com were saved to disk.
EXPECT_THAT(GetSavedIsolatedSites(),
UnorderedElementsAre("http://saved.com", "http://saved2.com"));
}
IN_PROC_BROWSER_TEST_F(SiteIsolationBrowserTest,
IsolatedSitesPersistAcrossRestarts) {
// Check that saved.com and saved2.com are still saved to disk.
EXPECT_THAT(GetSavedIsolatedSites(),
UnorderedElementsAre("http://saved.com", "http://saved2.com"));
// Check that these sites utilize a dedicated process after restarting, but a
// non-isolated foo.com URL does not.
GURL saved_url =
embedded_test_server()->GetURL("saved.com", "/simple_page.html");
GURL saved2_url =
embedded_test_server()->GetURL("saved2.com", "/simple_page2.html");
GURL foo_url =
embedded_test_server()->GetURL("foo.com", "/simple_page3.html");
NavigateAndWaitForCompletion(saved_url, shell());
content::WebContents* contents = GetWebContents();
EXPECT_TRUE(
contents->GetMainFrame()->GetSiteInstance()->RequiresDedicatedProcess());
NavigateAndWaitForCompletion(saved2_url, shell());
EXPECT_TRUE(
contents->GetMainFrame()->GetSiteInstance()->RequiresDedicatedProcess());
NavigateAndWaitForCompletion(foo_url, shell());
EXPECT_FALSE(
contents->GetMainFrame()->GetSiteInstance()->RequiresDedicatedProcess());
}
#endif
IN_PROC_BROWSER_TEST_F(SiteIsolationBrowserTest, IsolatedSiteIsSavedOnlyOnce) {
GURL saved_url =
embedded_test_server()->GetURL("saved.com", "/simple_page.html");
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved_url);
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved_url);
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved_url);
EXPECT_THAT(GetSavedIsolatedSites(),
UnorderedElementsAre("http://saved.com"));
}
// Verify that serving a Clear-Site-Data header does not clear saved isolated
// sites. Saved isolated sites should only be cleared by user-initiated actions.
IN_PROC_BROWSER_TEST_F(SiteIsolationBrowserTest,
ClearSiteDataHeaderDoesNotClearSavedIsolatedSites) {
// Start an HTTPS server, as Clear-Site-Data is only available on HTTPS URLs.
net::EmbeddedTestServer https_server(net::EmbeddedTestServer::TYPE_HTTPS);
https_server.AddDefaultHandlers(
base::FilePath(FILE_PATH_LITERAL("weblayer/test/data")));
ASSERT_TRUE(https_server.Start());
// Isolate saved.com and verify it's been saved to disk.
GURL saved_url = https_server.GetURL("saved.com", "/clear_site_data.html");
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved_url);
EXPECT_THAT(GetSavedIsolatedSites(),
UnorderedElementsAre("https://saved.com"));
// Navigate to a URL that serves a Clear-Site-Data header for cache, cookies,
// and DOM storage. This is the most that a Clear-Site-Data header could
// clear, and this should not clear saved isolated sites.
NavigateAndWaitForCompletion(saved_url, shell());
EXPECT_THAT(GetSavedIsolatedSites(),
UnorderedElementsAre("https://saved.com"));
}
IN_PROC_BROWSER_TEST_F(SiteIsolationBrowserTest,
ExplicitClearBrowsingDataClearsSavedIsolatedSites) {
GURL saved_url =
embedded_test_server()->GetURL("saved.com", "/simple_page.html");
content::SiteInstance::StartIsolatingSite(GetProfile()->GetBrowserContext(),
saved_url);
EXPECT_THAT(GetSavedIsolatedSites(),
UnorderedElementsAre("http://saved.com"));
base::RunLoop run_loop;
base::Time now = base::Time::Now();
GetProfile()->ClearBrowsingData({BrowsingDataType::COOKIES_AND_SITE_DATA},
now - base::TimeDelta::FromDays(1), now,
run_loop.QuitClosure());
run_loop.Run();
EXPECT_THAT(GetSavedIsolatedSites(), IsEmpty());
}
} // namespace weblayer
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