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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/raw_ptr.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/common/content_client.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_content_browser_client.h"
#include "content/public/test/content_mock_cert_verifier.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/shell/browser/shell.h"
#include "net/base/net_errors.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
namespace {
static constexpr WebExposedIsolationLevel kNotIsolated =
WebExposedIsolationLevel::kNotIsolated;
static constexpr WebExposedIsolationLevel kIsolatedApplication =
WebExposedIsolationLevel::kIsolatedApplication;
const char kAppHost[] = "app.com";
const char kNonAppHost[] = "other.com";
class IsolatedWebAppContentBrowserClient
: public ContentBrowserTestContentBrowserClient {
public:
explicit IsolatedWebAppContentBrowserClient(
net::EmbeddedTestServer* embedded_https_server) {
GURL app_url = embedded_https_server->GetURL(kAppHost, "/");
app_origin_ = url::Origin::Create(app_url);
}
bool ShouldUrlUseApplicationIsolationLevel(BrowserContext* browser_context,
const GURL& url) override {
return url.host() == kAppHost;
}
bool AreIsolatedWebAppsEnabled(BrowserContext*) override { return true; }
private:
url::Origin app_origin_;
};
} // namespace
class HttpsBrowserTest : public ContentBrowserTest {
public:
HttpsBrowserTest() : https_server_(net::EmbeddedTestServer::TYPE_HTTPS) {}
void SetUpCommandLine(base::CommandLine* command_line) override {
mock_cert_verifier_.SetUpCommandLine(command_line);
}
void SetUpInProcessBrowserTestFixture() override {
ContentBrowserTest::SetUpInProcessBrowserTestFixture();
mock_cert_verifier_.SetUpInProcessBrowserTestFixture();
}
void TearDownInProcessBrowserTestFixture() override {
ContentBrowserTest::TearDownInProcessBrowserTestFixture();
mock_cert_verifier_.TearDownInProcessBrowserTestFixture();
}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
https_server()->ServeFilesFromSourceDirectory(GetTestDataFilePath());
ASSERT_TRUE(https_server()->Start());
}
protected:
net::EmbeddedTestServer* https_server() { return &https_server_; }
private:
net::EmbeddedTestServer https_server_;
ContentMockCertVerifier mock_cert_verifier_;
};
class IsolatedWebAppThrottleBrowserTest : public HttpsBrowserTest {
public:
void SetUpOnMainThread() override {
HttpsBrowserTest::SetUpOnMainThread();
test_client_ =
std::make_unique<IsolatedWebAppContentBrowserClient>(https_server());
}
void TearDownOnMainThread() override {
HttpsBrowserTest::TearDownOnMainThread();
test_client_.reset();
}
protected:
GURL GetAppURL(const std::string& path) {
return https_server()->GetURL(kAppHost, path);
}
GURL GetNonAppURL(const std::string& path) {
return https_server()->GetURL(kNonAppHost, path);
}
RenderFrameHost* CreateChildIframe(RenderFrameHost* parent_rfh,
const GURL& iframe_src) {
// For now assume this is the only child iframe.
EXPECT_FALSE(ChildFrameAt(parent_rfh, 0));
TestNavigationObserver navigation_observer(web_contents());
EXPECT_TRUE(ExecJs(
parent_rfh, JsReplace("const iframe = document.createElement('iframe');"
"iframe.id = 'child_iframe';"
"iframe.src = $1;"
"document.body.appendChild(iframe);",
iframe_src)));
navigation_observer.Wait();
EXPECT_TRUE(navigation_observer.last_navigation_succeeded());
EXPECT_EQ(net::OK, navigation_observer.last_net_error_code());
EXPECT_EQ(iframe_src, navigation_observer.last_navigation_url());
RenderFrameHost* iframe = ChildFrameAt(parent_rfh, 0);
EXPECT_TRUE(iframe);
return iframe;
}
// Perform a renderer-initiated navigation in |iframe| to |url| whose
// initiator is the iframe itself.
std::unique_ptr<TestNavigationObserver> SelfNavigateIframeToURL(
RenderFrameHost* iframe,
const GURL& url) {
auto navigation_observer =
std::make_unique<TestNavigationObserver>(web_contents());
EXPECT_TRUE(ExecJs(iframe, JsReplace("location.href = $1", url)));
navigation_observer->Wait();
return navigation_observer;
}
// Perform a renderer-initiated navigation of |iframe| to |url|, whose
// initiator is |iframe|'s parent frame.
std::unique_ptr<TestNavigationObserver> NavigateIframeToUrlFromParent(
RenderFrameHost* iframe,
const GURL& url) {
auto navigation_observer =
std::make_unique<TestNavigationObserver>(web_contents());
EXPECT_TRUE(
ExecJs(iframe->GetParent(), JsReplace("child_iframe.src = $1", url)));
navigation_observer->Wait();
return navigation_observer;
}
RenderFrameHost* main_rfh() { return web_contents()->GetPrimaryMainFrame(); }
WebContents* web_contents() { return shell()->web_contents(); }
private:
std::unique_ptr<IsolatedWebAppContentBrowserClient> test_client_;
};
IN_PROC_BROWSER_TEST_F(IsolatedWebAppThrottleBrowserTest,
BlockMainFrameNavigationIntoApp) {
EXPECT_TRUE(NavigateToURL(web_contents(), GetNonAppURL("/simple_page.html")));
EXPECT_EQ(kNotIsolated, main_rfh()->GetWebExposedIsolationLevel());
TestNavigationObserver navigation_observer(web_contents());
shell()->LoadURL(GetAppURL("/cross-origin-isolated.html"));
navigation_observer.Wait();
EXPECT_FALSE(navigation_observer.last_navigation_succeeded());
EXPECT_EQ(net::ERR_BLOCKED_BY_CLIENT,
navigation_observer.last_net_error_code());
}
IN_PROC_BROWSER_TEST_F(IsolatedWebAppThrottleBrowserTest,
CancelCrossOriginNavigationInApp) {
GURL app_url = GetAppURL("/cross-origin-isolated.html");
EXPECT_TRUE(NavigateToURL(web_contents(), app_url));
EXPECT_EQ(kIsolatedApplication, main_rfh()->GetWebExposedIsolationLevel());
TestNavigationObserver navigation_observer(web_contents());
shell()->LoadURL(GetNonAppURL("/simple_page.html"));
navigation_observer.Wait();
EXPECT_FALSE(navigation_observer.last_navigation_succeeded());
EXPECT_EQ(app_url, main_rfh()->GetLastCommittedURL());
}
IN_PROC_BROWSER_TEST_F(IsolatedWebAppThrottleBrowserTest,
IframeInitiatedIframeNavigationIntoAppBlocked) {
GURL app_url = GetAppURL("/cross-origin-isolated.html");
EXPECT_TRUE(NavigateToURL(web_contents(), app_url));
EXPECT_EQ(kIsolatedApplication, main_rfh()->GetWebExposedIsolationLevel());
RenderFrameHost* iframe =
CreateChildIframe(main_rfh(), GetNonAppURL("/corp-cross-origin.html"));
const blink::LocalFrameToken iframe_token = iframe->GetFrameToken();
std::unique_ptr<TestNavigationObserver> navigation_observer =
SelfNavigateIframeToURL(iframe, app_url);
EXPECT_EQ(iframe_token,
navigation_observer->last_initiator_frame_token().value());
EXPECT_FALSE(navigation_observer->last_navigation_succeeded());
EXPECT_EQ(net::ERR_BLOCKED_BY_CLIENT,
navigation_observer->last_net_error_code());
}
IN_PROC_BROWSER_TEST_F(IsolatedWebAppThrottleBrowserTest,
AppInitiatedIframeNavigationIntoAppAllowed) {
GURL app_url = GetAppURL("/cross-origin-isolated.html");
EXPECT_TRUE(NavigateToURL(web_contents(), app_url));
EXPECT_EQ(kIsolatedApplication, main_rfh()->GetWebExposedIsolationLevel());
RenderFrameHost* iframe =
CreateChildIframe(main_rfh(), GetNonAppURL("/corp-cross-origin.html"));
std::unique_ptr<TestNavigationObserver> navigation_observer =
NavigateIframeToUrlFromParent(iframe, app_url);
EXPECT_EQ(main_rfh()->GetFrameToken(),
navigation_observer->last_initiator_frame_token().value());
EXPECT_TRUE(navigation_observer->last_navigation_succeeded());
EXPECT_EQ(net::OK, navigation_observer->last_net_error_code());
}
} // namespace content
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