blob: de101c646b2fdc8c7783fdf4711403fc6964101d [file] [log] [blame]
// 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 "base/command_line.h"
#include "base/macros.h"
#include "base/strings/stringprintf.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "content/browser/frame_host/frame_tree.h"
#include "content/browser/frame_host/frame_tree_node.h"
#include "content/browser/frame_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/origin_util.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_frame_navigation_observer.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "content/shell/common/shell_switches.h"
#include "content/test/content_browser_test_utils_internal.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "third_party/blink/public/common/frame/sandbox_flags.h"
#include "url/url_constants.h"
namespace content {
namespace {
EvalJsResult GetOriginFromRenderer(FrameTreeNode* node) {
return EvalJs(node, "self.origin");
}
} // namespace
class FrameTreeBrowserTest : public ContentBrowserTest {
public:
FrameTreeBrowserTest() {}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
SetupCrossSiteRedirector(embedded_test_server());
ASSERT_TRUE(embedded_test_server()->Start());
}
private:
DISALLOW_COPY_AND_ASSIGN(FrameTreeBrowserTest);
};
// Ensures FrameTree correctly reflects page structure during navigations.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape) {
GURL base_url = embedded_test_server()->GetURL("A.com", "/site_isolation/");
// Load doc without iframes. Verify FrameTree just has root.
// Frame tree:
// Site-A Root
EXPECT_TRUE(NavigateToURL(shell(), base_url.Resolve("blank.html")));
FrameTreeNode* root =
static_cast<WebContentsImpl*>(shell()->web_contents())->
GetFrameTree()->root();
EXPECT_EQ(0U, root->child_count());
// Add 2 same-site frames. Verify 3 nodes in tree with proper names.
// Frame tree:
// Site-A Root -- Site-A frame1
// \-- Site-A frame2
WindowedNotificationObserver observer1(
content::NOTIFICATION_LOAD_STOP,
content::Source<NavigationController>(
&shell()->web_contents()->GetController()));
EXPECT_TRUE(NavigateToURL(shell(), base_url.Resolve("frames-X-X.html")));
observer1.Wait();
ASSERT_EQ(2U, root->child_count());
EXPECT_EQ(0U, root->child_at(0)->child_count());
EXPECT_EQ(0U, root->child_at(1)->child_count());
}
// TODO(ajwong): Talk with nasko and merge this functionality with
// FrameTreeShape.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape2) {
EXPECT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL("/frame_tree/top.html")));
WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
FrameTreeNode* root = wc->GetFrameTree()->root();
// Check that the root node is properly created.
ASSERT_EQ(3UL, root->child_count());
EXPECT_EQ(std::string(), root->frame_name());
ASSERT_EQ(2UL, root->child_at(0)->child_count());
EXPECT_STREQ("1-1-name", root->child_at(0)->frame_name().c_str());
// Verify the deepest node exists and has the right name.
ASSERT_EQ(2UL, root->child_at(2)->child_count());
EXPECT_EQ(1UL, root->child_at(2)->child_at(1)->child_count());
EXPECT_EQ(0UL, root->child_at(2)->child_at(1)->child_at(0)->child_count());
EXPECT_STREQ("3-1-name",
root->child_at(2)->child_at(1)->child_at(0)->frame_name().c_str());
// Navigate to about:blank, which should leave only the root node of the frame
// tree in the browser process.
EXPECT_TRUE(
NavigateToURL(shell(), embedded_test_server()->GetURL("/title1.html")));
root = wc->GetFrameTree()->root();
EXPECT_EQ(0UL, root->child_count());
EXPECT_EQ(std::string(), root->frame_name());
}
// Test that we can navigate away if the previous renderer doesn't clean up its
// child frames.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeAfterCrash) {
EXPECT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL("/frame_tree/top.html")));
// Ensure the view and frame are live.
RenderViewHost* rvh = shell()->web_contents()->GetRenderViewHost();
RenderFrameHostImpl* rfh1 =
static_cast<RenderFrameHostImpl*>(rvh->GetMainFrame());
EXPECT_TRUE(rvh->IsRenderViewLive());
EXPECT_TRUE(rfh1->IsRenderFrameLive());
// Crash the renderer so that it doesn't send any FrameDetached messages.
RenderProcessHostWatcher crash_observer(
shell()->web_contents(),
RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
ASSERT_TRUE(
shell()->web_contents()->GetMainFrame()->GetProcess()->Shutdown(0));
crash_observer.Wait();
// The frame tree should be cleared.
WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
FrameTreeNode* root = wc->GetFrameTree()->root();
EXPECT_EQ(0UL, root->child_count());
// Ensure the view and frame aren't live anymore.
EXPECT_FALSE(rvh->IsRenderViewLive());
EXPECT_FALSE(rfh1->IsRenderFrameLive());
// Navigate to a new URL.
GURL url(embedded_test_server()->GetURL("/title1.html"));
EXPECT_TRUE(NavigateToURL(shell(), url));
EXPECT_EQ(0UL, root->child_count());
EXPECT_EQ(url, root->current_url());
RenderFrameHostImpl* rfh2 = root->current_frame_host();
// Ensure the view and frame are live again.
EXPECT_TRUE(rvh->IsRenderViewLive());
EXPECT_TRUE(rfh2->IsRenderFrameLive());
}
// Test that we can navigate away if the previous renderer doesn't clean up its
// child frames.
// Flaky on Mac. http://crbug.com/452018
#if defined(OS_MACOSX)
#define MAYBE_NavigateWithLeftoverFrames DISABLED_NavigateWithLeftoverFrames
#else
#define MAYBE_NavigateWithLeftoverFrames NavigateWithLeftoverFrames
#endif
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, MAYBE_NavigateWithLeftoverFrames) {
GURL base_url = embedded_test_server()->GetURL("A.com", "/site_isolation/");
EXPECT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL("/frame_tree/top.html")));
// Hang the renderer so that it doesn't send any FrameDetached messages.
// (This navigation will never complete, so don't wait for it.)
shell()->LoadURL(GURL(kChromeUIHangURL));
// Check that the frame tree still has children.
WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
FrameTreeNode* root = wc->GetFrameTree()->root();
ASSERT_EQ(3UL, root->child_count());
// Navigate to a new URL. We use LoadURL because NavigateToURL will try to
// wait for the previous navigation to stop.
TestNavigationObserver tab_observer(wc, 1);
shell()->LoadURL(base_url.Resolve("blank.html"));
tab_observer.Wait();
// The frame tree should now be cleared.
EXPECT_EQ(0UL, root->child_count());
}
// Ensure that IsRenderFrameLive is true for main frames and same-site iframes.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, IsRenderFrameLive) {
GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()->root();
// The root and subframe should each have a live RenderFrame.
EXPECT_TRUE(
root->current_frame_host()->render_view_host()->IsRenderViewLive());
EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
// Load a same-site page into iframe and it should still be live.
GURL http_url(embedded_test_server()->GetURL("/title1.html"));
NavigateFrameToURL(root->child_at(0), http_url);
EXPECT_TRUE(
root->current_frame_host()->render_view_host()->IsRenderViewLive());
EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
}
// Ensure that origins are correctly set on navigations.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, OriginSetOnNavigation) {
GURL about_blank(url::kAboutBlankURL);
GURL main_url(
embedded_test_server()->GetURL("a.com", "/frame_tree/top.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContents* contents = shell()->web_contents();
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root =
static_cast<WebContentsImpl*>(contents)->GetFrameTree()->root();
// Extra '/' is added because the replicated origin is serialized in RFC 6454
// format, which dictates no trailing '/', whereas GURL::GetOrigin does put a
// '/' at the end.
EXPECT_EQ(main_url.GetOrigin().spec(),
root->current_origin().Serialize() + '/');
EXPECT_EQ(
main_url.GetOrigin().spec(),
root->current_frame_host()->GetLastCommittedOrigin().Serialize() + '/');
// The iframe is inititially same-origin.
EXPECT_TRUE(
root->current_frame_host()->GetLastCommittedOrigin().IsSameOriginWith(
root->child_at(0)->current_frame_host()->GetLastCommittedOrigin()));
EXPECT_EQ(root->current_origin().Serialize(), GetOriginFromRenderer(root));
EXPECT_EQ(root->child_at(0)->current_origin().Serialize(),
GetOriginFromRenderer(root->child_at(0)));
// Navigate the iframe cross-origin.
GURL frame_url(embedded_test_server()->GetURL("b.com", "/title1.html"));
NavigateFrameToURL(root->child_at(0), frame_url);
EXPECT_EQ(frame_url, root->child_at(0)->current_url());
EXPECT_EQ(frame_url.GetOrigin().spec(),
root->child_at(0)->current_origin().Serialize() + '/');
EXPECT_FALSE(
root->current_frame_host()->GetLastCommittedOrigin().IsSameOriginWith(
root->child_at(0)->current_frame_host()->GetLastCommittedOrigin()));
EXPECT_EQ(root->current_origin().Serialize(), GetOriginFromRenderer(root));
EXPECT_EQ(root->child_at(0)->current_origin().Serialize(),
GetOriginFromRenderer(root->child_at(0)));
// Parent-initiated about:blank navigation should inherit the parent's a.com
// origin.
NavigateIframeToURL(contents, "1-1-id", about_blank);
EXPECT_EQ(about_blank, root->child_at(0)->current_url());
EXPECT_EQ(main_url.GetOrigin().spec(),
root->child_at(0)->current_origin().Serialize() + '/');
EXPECT_EQ(root->current_frame_host()->GetLastCommittedOrigin().Serialize(),
root->child_at(0)
->current_frame_host()
->GetLastCommittedOrigin()
.Serialize());
EXPECT_TRUE(
root->current_frame_host()->GetLastCommittedOrigin().IsSameOriginWith(
root->child_at(0)->current_frame_host()->GetLastCommittedOrigin()));
EXPECT_EQ(root->current_origin().Serialize(), GetOriginFromRenderer(root));
EXPECT_EQ(root->child_at(0)->current_origin().Serialize(),
GetOriginFromRenderer(root->child_at(0)));
GURL data_url("data:text/html,foo");
EXPECT_TRUE(NavigateToURL(shell(), data_url));
// Navigating to a data URL should set a unique origin. This is represented
// as "null" per RFC 6454.
EXPECT_EQ("null", root->current_origin().Serialize());
EXPECT_TRUE(contents->GetMainFrame()->GetLastCommittedOrigin().opaque());
EXPECT_EQ("null", GetOriginFromRenderer(root));
// Re-navigating to a normal URL should update the origin.
EXPECT_TRUE(NavigateToURL(shell(), main_url));
EXPECT_EQ(main_url.GetOrigin().spec(),
root->current_origin().Serialize() + '/');
EXPECT_EQ(
main_url.GetOrigin().spec(),
contents->GetMainFrame()->GetLastCommittedOrigin().Serialize() + '/');
EXPECT_FALSE(contents->GetMainFrame()->GetLastCommittedOrigin().opaque());
EXPECT_EQ(root->current_origin().Serialize(), GetOriginFromRenderer(root));
}
// Tests a cross-origin navigation to a blob URL. The main frame initiates this
// navigation on its grandchild. It should wind up in the main frame's process.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, NavigateGrandchildToBlob) {
WebContents* contents = shell()->web_contents();
FrameTreeNode* root =
static_cast<WebContentsImpl*>(contents)->GetFrameTree()->root();
// First, snapshot the FrameTree for a normal A(B(A)) case where all frames
// are served over http. The blob test should result in the same structure.
EXPECT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b(a))")));
std::string reference_tree = FrameTreeVisualizer().DepictFrameTree(root);
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b(c))"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// The root node will initiate the navigation; its grandchild node will be the
// target of the navigation.
FrameTreeNode* target = root->child_at(0)->child_at(0);
RenderFrameDeletedObserver deleted_observer(target->current_frame_host());
std::string html =
"<html><body><div>This is blob content.</div>"
"<script>"
"window.parent.parent.postMessage('HI', self.origin);"
"</script></body></html>";
std::string script = JsReplace(
"new Promise((resolve) => {"
" window.addEventListener('message', resolve, false);"
" var blob = new Blob([$1], {type: 'text/html'});"
" var blob_url = URL.createObjectURL(blob);"
" frames[0][0].location.href = blob_url;"
"}).then((event) => {"
" document.body.appendChild(document.createTextNode(event.data));"
" return event.source.location.href;"
"});",
html);
std::string blob_url_string = EvalJs(root, script).ExtractString();
// Wait for the RenderFrame to go away, if this will be cross-process.
if (AreAllSitesIsolatedForTesting())
deleted_observer.WaitUntilDeleted();
EXPECT_EQ(GURL(blob_url_string), target->current_url());
EXPECT_EQ(url::kBlobScheme, target->current_url().scheme());
EXPECT_FALSE(target->current_origin().opaque());
EXPECT_EQ("a.com", target->current_origin().host());
EXPECT_EQ(url::kHttpScheme, target->current_origin().scheme());
EXPECT_EQ("This is blob content.",
EvalJs(target, "document.body.children[0].innerHTML"));
EXPECT_EQ(reference_tree, FrameTreeVisualizer().DepictFrameTree(root));
}
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, NavigateChildToAboutBlank) {
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b(c))"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContentsImpl* contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
// The leaf node (c.com) will be navigated. Its parent node (b.com) will
// initiate the navigation.
FrameTreeNode* target =
contents->GetFrameTree()->root()->child_at(0)->child_at(0);
FrameTreeNode* initiator = target->parent();
// Give the target a name.
EXPECT_TRUE(ExecJs(target, "window.name = 'target';"));
// Use window.open(about:blank), then poll the document for access.
EvalJsResult about_blank_origin = EvalJs(
initiator,
"new Promise(resolve => {"
" var didNavigate = false;"
" var intervalID = setInterval(function() {"
" if (!didNavigate) {"
" didNavigate = true;"
" window.open('about:blank', 'target');"
" }"
" // Poll the document until it doesn't throw a SecurityError.\n"
" try {"
" frames[0].document.write('Hi from ' + document.domain);"
" } catch (e) { return; }"
" clearInterval(intervalID);"
" resolve(frames[0].self.origin);"
" }, 16);"
"});");
EXPECT_EQ(target->current_origin(), about_blank_origin);
EXPECT_EQ(GURL(url::kAboutBlankURL), target->current_url());
EXPECT_EQ(url::kAboutScheme, target->current_url().scheme());
EXPECT_FALSE(target->current_origin().opaque());
EXPECT_EQ("b.com", target->current_origin().host());
EXPECT_EQ(url::kHttpScheme, target->current_origin().scheme());
EXPECT_EQ("Hi from b.com", EvalJs(target, "document.body.innerHTML"));
}
// Nested iframes, three origins: A(B(C)). Frame A navigates C to about:blank
// (via window.open). This should wind up in A's origin per the spec. Test fails
// because of http://crbug.com/564292
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest,
DISABLED_NavigateGrandchildToAboutBlank) {
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b(c))"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContentsImpl* contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
// The leaf node (c.com) will be navigated. Its grandparent node (a.com) will
// initiate the navigation.
FrameTreeNode* target =
contents->GetFrameTree()->root()->child_at(0)->child_at(0);
FrameTreeNode* initiator = target->parent()->parent();
// Give the target a name.
EXPECT_TRUE(ExecJs(target, "window.name = 'target';"));
// Use window.open(about:blank), then poll the document for access.
EvalJsResult about_blank_origin =
EvalJs(initiator,
"new Promise((resolve) => {"
" var didNavigate = false;"
" var intervalID = setInterval(() => {"
" if (!didNavigate) {"
" didNavigate = true;"
" window.open('about:blank', 'target');"
" }"
" // May raise a SecurityError, that's expected.\n"
" try {"
" frames[0][0].document.write('Hi from ' + document.domain);"
" } catch (e) { return; }"
" clearInterval(intervalID);"
" resolve(frames[0][0].self.origin);"
" }, 16);"
"});");
EXPECT_EQ(target->current_origin(), about_blank_origin);
EXPECT_EQ(GURL(url::kAboutBlankURL), target->current_url());
EXPECT_EQ(url::kAboutScheme, target->current_url().scheme());
EXPECT_FALSE(target->current_origin().opaque());
EXPECT_EQ("a.com", target->current_origin().host());
EXPECT_EQ(url::kHttpScheme, target->current_origin().scheme());
EXPECT_EQ("Hi from a.com", EvalJs(target, "document.body.innerHTML"));
}
// Tests a cross-origin navigation to a data: URL. The main frame initiates this
// navigation on its grandchild. It should wind up in the main frame's process
// and have precursor origin of the main frame origin.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, NavigateGrandchildToDataUrl) {
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b(c))"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContentsImpl* contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
// The leaf node (c.com) will be navigated. Its grandparent node (a.com) will
// initiate the navigation.
FrameTreeNode* target =
contents->GetFrameTree()->root()->child_at(0)->child_at(0);
FrameTreeNode* initiator = target->parent()->parent();
// Give the target a name.
EXPECT_TRUE(ExecJs(target, "window.name = 'target';"));
// Navigate the target frame through the initiator frame.
{
TestFrameNavigationObserver observer(target);
EXPECT_TRUE(
ExecJs(initiator, "window.open('data:text/html,content', 'target');"));
observer.Wait();
}
url::Origin original_target_origin =
target->current_frame_host()->GetLastCommittedOrigin();
EXPECT_TRUE(original_target_origin.opaque());
EXPECT_EQ(original_target_origin.GetTupleOrPrecursorTupleIfOpaque(),
url::SchemeHostPort(main_url));
// Navigate the grandchild frame again cross-process to foo.com, then
// go back in session history. The origin for the data: URL must be preserved.
{
TestFrameNavigationObserver observer(target);
EXPECT_TRUE(ExecJs(target, JsReplace("window.location = $1",
embedded_test_server()->GetURL(
"foo.com", "/title2.html"))));
observer.Wait();
}
EXPECT_NE(original_target_origin,
target->current_frame_host()->GetLastCommittedOrigin());
{
TestFrameNavigationObserver observer(target);
contents->GetController().GoBack();
observer.Wait();
}
url::Origin target_origin =
target->current_frame_host()->GetLastCommittedOrigin();
EXPECT_TRUE(target_origin.opaque());
EXPECT_EQ(target_origin.GetTupleOrPrecursorTupleIfOpaque(),
url::SchemeHostPort(main_url));
EXPECT_EQ(target_origin, original_target_origin);
}
// Ensures that iframe with srcdoc is always put in the same origin as its
// parent frame.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, ChildFrameWithSrcdoc) {
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b)"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContentsImpl* contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
FrameTreeNode* root = contents->GetFrameTree()->root();
EXPECT_EQ(1U, root->child_count());
FrameTreeNode* child = root->child_at(0);
std::string frame_origin = EvalJs(child, "self.origin;").ExtractString();
EXPECT_TRUE(
child->current_frame_host()->GetLastCommittedOrigin().IsSameOriginWith(
url::Origin::Create(GURL(frame_origin))));
EXPECT_FALSE(
root->current_frame_host()->GetLastCommittedOrigin().IsSameOriginWith(
url::Origin::Create(GURL(frame_origin))));
// Create a new iframe with srcdoc and add it to the main frame. It should
// be created in the same SiteInstance as the parent.
{
std::string script("var f = document.createElement('iframe');"
"f.srcdoc = 'some content';"
"document.body.appendChild(f)");
TestNavigationObserver observer(shell()->web_contents());
EXPECT_TRUE(ExecJs(root, script));
EXPECT_EQ(2U, root->child_count());
observer.Wait();
EXPECT_TRUE(root->child_at(1)->current_url().IsAboutSrcdoc());
EvalJsResult frame_origin = EvalJs(root->child_at(1), "self.origin");
EXPECT_EQ(root->current_frame_host()->GetLastCommittedURL().GetOrigin(),
GURL(frame_origin.ExtractString()));
EXPECT_NE(child->current_frame_host()->GetLastCommittedURL().GetOrigin(),
GURL(frame_origin.ExtractString()));
}
// Set srcdoc on the existing cross-site frame. It should navigate the frame
// back to the origin of the parent.
{
std::string script("var f = document.getElementById('child-0');"
"f.srcdoc = 'some content';");
TestNavigationObserver observer(shell()->web_contents());
EXPECT_TRUE(ExecJs(root, script));
observer.Wait();
EXPECT_TRUE(child->current_url().IsAboutSrcdoc());
EXPECT_EQ(
url::Origin::Create(root->current_frame_host()->GetLastCommittedURL())
.Serialize(),
EvalJs(child, "self.origin"));
}
}
// Ensure that sandbox flags are correctly set in the main frame when set by
// Content-Security-Policy header.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, SandboxFlagsSetForMainFrame) {
GURL main_url(embedded_test_server()->GetURL("/csp_sandboxed_frame.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
// Verify that sandbox flags are set properly for the root FrameTreeNode and
// RenderFrameHost. Root frame is sandboxed with "allow-scripts".
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures,
root->active_sandbox_flags());
EXPECT_EQ(root->active_sandbox_flags(),
root->current_frame_host()->active_sandbox_flags());
// Verify that child frames inherit sandbox flags from the root. First frame
// has no explicitly set flags of its own, and should inherit those from the
// root. Second frame is completely sandboxed.
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures,
root->child_at(0)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures,
root->child_at(0)->active_sandbox_flags());
EXPECT_EQ(root->child_at(0)->active_sandbox_flags(),
root->child_at(0)->current_frame_host()->active_sandbox_flags());
EXPECT_EQ(blink::WebSandboxFlags::kAll,
root->child_at(1)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll,
root->child_at(1)->active_sandbox_flags());
EXPECT_EQ(root->child_at(1)->active_sandbox_flags(),
root->child_at(1)->current_frame_host()->active_sandbox_flags());
// Navigating the main frame to a different URL should clear sandbox flags.
GURL unsandboxed_url(embedded_test_server()->GetURL("/title1.html"));
NavigateFrameToURL(root, unsandboxed_url);
// Verify that sandbox flags are cleared properly for the root FrameTreeNode
// and RenderFrameHost.
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kNone, root->active_sandbox_flags());
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->current_frame_host()->active_sandbox_flags());
}
// Ensure that sandbox flags are correctly set when child frames are created.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, SandboxFlagsSetForChildFrames) {
GURL main_url(embedded_test_server()->GetURL("/sandboxed_frames.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()->root();
// Verify that sandbox flags are set properly for all FrameTreeNodes.
// First frame is completely sandboxed; second frame uses "allow-scripts",
// which resets both SandboxFlags::Scripts and
// SandboxFlags::AutomaticFeatures bits per blink::parseSandboxPolicy(), and
// third frame has "allow-scripts allow-same-origin".
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll,
root->child_at(0)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures,
root->child_at(1)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures &
~blink::WebSandboxFlags::kOrigin,
root->child_at(2)->effective_frame_policy().sandbox_flags);
// Sandboxed frames should set a unique origin unless they have the
// "allow-same-origin" directive.
EXPECT_EQ("null", root->child_at(0)->current_origin().Serialize());
EXPECT_EQ("null", root->child_at(1)->current_origin().Serialize());
EXPECT_EQ(main_url.GetOrigin().spec(),
root->child_at(2)->current_origin().Serialize() + "/");
// Navigating to a different URL should not clear sandbox flags.
GURL frame_url(embedded_test_server()->GetURL("/title1.html"));
NavigateFrameToURL(root->child_at(0), frame_url);
EXPECT_EQ(blink::WebSandboxFlags::kAll,
root->child_at(0)->effective_frame_policy().sandbox_flags);
}
// Ensure that sandbox flags are correctly set in the child frames when set by
// Content-Security-Policy header, and in combination with the sandbox iframe
// attribute.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest,
SandboxFlagsSetByCSPForChildFrames) {
GURL main_url(embedded_test_server()->GetURL("/sandboxed_frames_csp.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
// Verify that sandbox flags are set properly for all FrameTreeNodes.
// First frame has no iframe sandbox flags, but the framed document is served
// with a CSP header which sets "allow-scripts", "allow-popups" and
// "allow-pointer-lock".
// Second frame is sandboxed with "allow-scripts", "allow-pointer-lock" and
// "allow-orientation-lock", and the framed document is also served with a CSP
// header which uses "allow-popups" and "allow-pointer-lock". The resulting
// sandbox for the frame should only have "allow-pointer-lock".
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kNone, root->active_sandbox_flags());
EXPECT_EQ(root->active_sandbox_flags(),
root->current_frame_host()->active_sandbox_flags());
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->child_at(0)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures &
~blink::WebSandboxFlags::kPopups &
~blink::WebSandboxFlags::kPointerLock,
root->child_at(0)->active_sandbox_flags());
EXPECT_EQ(root->child_at(0)->active_sandbox_flags(),
root->child_at(0)->current_frame_host()->active_sandbox_flags());
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures &
~blink::WebSandboxFlags::kPointerLock &
~blink::WebSandboxFlags::kOrientationLock,
root->child_at(1)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures &
~blink::WebSandboxFlags::kPointerLock,
root->child_at(1)->active_sandbox_flags());
EXPECT_EQ(root->child_at(1)->active_sandbox_flags(),
root->child_at(1)->current_frame_host()->active_sandbox_flags());
// Navigating to a different URL *should* clear CSP-set sandbox flags, but
// should retain those flags set by the frame owner.
GURL frame_url(embedded_test_server()->GetURL("/title1.html"));
NavigateFrameToURL(root->child_at(0), frame_url);
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->child_at(0)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kNone,
root->child_at(0)->active_sandbox_flags());
EXPECT_EQ(root->child_at(0)->active_sandbox_flags(),
root->child_at(0)->current_frame_host()->active_sandbox_flags());
NavigateFrameToURL(root->child_at(1), frame_url);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures &
~blink::WebSandboxFlags::kPointerLock &
~blink::WebSandboxFlags::kOrientationLock,
root->child_at(1)->effective_frame_policy().sandbox_flags);
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures &
~blink::WebSandboxFlags::kPointerLock &
~blink::WebSandboxFlags::kOrientationLock,
root->child_at(1)->active_sandbox_flags());
EXPECT_EQ(root->child_at(1)->active_sandbox_flags(),
root->child_at(1)->current_frame_host()->active_sandbox_flags());
}
// Ensure that a popup opened from a subframe sets its opener to the subframe's
// FrameTreeNode, and that the opener is cleared if the subframe is destroyed.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, SubframeOpenerSetForNewWindow) {
GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
// Open a new window from a subframe.
ShellAddedObserver new_shell_observer;
GURL popup_url(embedded_test_server()->GetURL("foo.com", "/title1.html"));
EXPECT_TRUE(
ExecJs(root->child_at(0), JsReplace("window.open($1);", popup_url)));
Shell* new_shell = new_shell_observer.GetShell();
WebContents* new_contents = new_shell->web_contents();
WaitForLoadStop(new_contents);
// Check that the new window's opener points to the correct subframe on
// original window.
FrameTreeNode* popup_root =
static_cast<WebContentsImpl*>(new_contents)->GetFrameTree()->root();
EXPECT_EQ(root->child_at(0), popup_root->opener());
// Close the original window. This should clear the new window's opener.
shell()->Close();
EXPECT_EQ(nullptr, popup_root->opener());
}
// Tests that the user activation bits get cleared when a same-site document is
// installed in the frame.
IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest,
ClearUserActivationForNewDocument) {
GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
// Set the user activation bits.
root->UpdateUserActivationState(
blink::UserActivationUpdateType::kNotifyActivation);
EXPECT_TRUE(root->HasBeenActivated());
EXPECT_TRUE(root->HasTransientUserActivation());
// Install a new same-site document to check the clearing of user activation
// bits.
GURL url(embedded_test_server()->GetURL("/title1.html"));
EXPECT_TRUE(NavigateToURL(shell(), url));
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
}
class CrossProcessFrameTreeBrowserTest : public ContentBrowserTest {
public:
CrossProcessFrameTreeBrowserTest() {}
void SetUpCommandLine(base::CommandLine* command_line) override {
IsolateAllSitesForTesting(command_line);
}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
SetupCrossSiteRedirector(embedded_test_server());
ASSERT_TRUE(embedded_test_server()->Start());
}
private:
DISALLOW_COPY_AND_ASSIGN(CrossProcessFrameTreeBrowserTest);
};
// Ensure that we can complete a cross-process subframe navigation.
IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
CreateCrossProcessSubframeProxies) {
GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()->root();
// There should not be a proxy for the root's own SiteInstance.
SiteInstance* root_instance = root->current_frame_host()->GetSiteInstance();
EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));
// Load same-site page into iframe.
GURL http_url(embedded_test_server()->GetURL("/title1.html"));
NavigateFrameToURL(root->child_at(0), http_url);
// Load cross-site page into iframe.
GURL cross_site_url(
embedded_test_server()->GetURL("foo.com", "/title2.html"));
NavigateFrameToURL(root->child_at(0), cross_site_url);
// Ensure that we have created a new process for the subframe.
ASSERT_EQ(2U, root->child_count());
FrameTreeNode* child = root->child_at(0);
SiteInstance* child_instance = child->current_frame_host()->GetSiteInstance();
RenderViewHost* rvh = child->current_frame_host()->render_view_host();
RenderProcessHost* rph = child->current_frame_host()->GetProcess();
EXPECT_NE(shell()->web_contents()->GetRenderViewHost(), rvh);
EXPECT_NE(shell()->web_contents()->GetSiteInstance(), child_instance);
EXPECT_NE(shell()->web_contents()->GetMainFrame()->GetProcess(), rph);
// Ensure that the root node has a proxy for the child node's SiteInstance.
EXPECT_TRUE(root->render_manager()->GetRenderFrameProxyHost(child_instance));
// Also ensure that the child has a proxy for the root node's SiteInstance.
EXPECT_TRUE(child->render_manager()->GetRenderFrameProxyHost(root_instance));
// The nodes should not have proxies for their own SiteInstance.
EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));
EXPECT_FALSE(
child->render_manager()->GetRenderFrameProxyHost(child_instance));
// Ensure that the RenderViews and RenderFrames are all live.
EXPECT_TRUE(
root->current_frame_host()->render_view_host()->IsRenderViewLive());
EXPECT_TRUE(
child->current_frame_host()->render_view_host()->IsRenderViewLive());
EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
}
IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
OriginSetOnNavigations) {
GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()->root();
EXPECT_EQ(root->current_origin().Serialize() + '/',
main_url.GetOrigin().spec());
// First frame is an about:blank frame. Check that its origin is correctly
// inherited from the parent.
EXPECT_EQ(root->child_at(0)->current_origin().Serialize() + '/',
main_url.GetOrigin().spec());
// Second frame loads a same-site page. Its origin should also be the same
// as the parent.
EXPECT_EQ(root->child_at(1)->current_origin().Serialize() + '/',
main_url.GetOrigin().spec());
// Load cross-site page into the first frame.
GURL cross_site_url(
embedded_test_server()->GetURL("foo.com", "/title2.html"));
NavigateFrameToURL(root->child_at(0), cross_site_url);
EXPECT_EQ(root->child_at(0)->current_origin().Serialize() + '/',
cross_site_url.GetOrigin().spec());
// The root's origin shouldn't have changed.
EXPECT_EQ(root->current_origin().Serialize() + '/',
main_url.GetOrigin().spec());
{
GURL data_url("data:text/html,foo");
TestNavigationObserver observer(shell()->web_contents());
EXPECT_TRUE(
ExecJs(root->child_at(1), JsReplace("window.location = $1", data_url)));
observer.Wait();
}
// Navigating to a data URL should set a unique origin. This is represented
// as "null" per RFC 6454. A frame navigating itself to a data: URL does not
// require a process transfer, but should retain the original origin
// as its precursor.
EXPECT_EQ(root->child_at(1)->current_origin().Serialize(), "null");
EXPECT_TRUE(root->child_at(1)->current_origin().opaque());
ASSERT_EQ(
url::SchemeHostPort(main_url),
root->child_at(1)->current_origin().GetTupleOrPrecursorTupleIfOpaque())
<< "Expected the precursor origin to be preserved; should be the "
"initiator of a data: navigation.";
// Adding an <iframe sandbox srcdoc=> frame should result in a unique origin
// that is different-origin from its data: URL parent.
{
TestNavigationObserver observer(shell()->web_contents());
ASSERT_EQ(0U, root->child_at(1)->child_count());
EXPECT_TRUE(
ExecJs(root->child_at(1), JsReplace(
R"(
var iframe = document.createElement('iframe');
iframe.setAttribute('sandbox', 'allow-scripts');
iframe.srcdoc = $1;
document.body.appendChild(iframe);
)",
"<html><body>This sandboxed doc should "
"be different-origin.</body></html>")));
observer.Wait();
ASSERT_EQ(1U, root->child_at(1)->child_count());
}
url::Origin root_origin = root->current_origin();
url::Origin child_1 = root->child_at(1)->current_origin();
url::Origin child_1_0 = root->child_at(1)->child_at(0)->current_origin();
EXPECT_FALSE(root_origin.opaque());
EXPECT_TRUE(child_1.opaque());
EXPECT_TRUE(child_1_0.opaque());
EXPECT_NE(child_1, child_1_0);
EXPECT_EQ(url::SchemeHostPort(main_url),
root_origin.GetTupleOrPrecursorTupleIfOpaque());
EXPECT_EQ(url::SchemeHostPort(main_url),
child_1.GetTupleOrPrecursorTupleIfOpaque());
EXPECT_EQ(url::SchemeHostPort(main_url),
child_1_0.GetTupleOrPrecursorTupleIfOpaque());
{
TestNavigationObserver observer(shell()->web_contents());
ASSERT_EQ(1U, root->child_at(1)->child_count());
EXPECT_TRUE(
ExecJs(root->child_at(1), JsReplace(
R"(
var iframe = document.createElement('iframe');
iframe.srcdoc = $1;
document.body.appendChild(iframe);
)",
"<html><body>This srcdoc document should "
"be same-origin.</body></html>")));
observer.Wait();
ASSERT_EQ(2U, root->child_at(1)->child_count());
}
EXPECT_EQ(root_origin, root->current_origin());
EXPECT_EQ(child_1, root->child_at(1)->current_origin());
EXPECT_EQ(child_1_0, root->child_at(1)->child_at(0)->current_origin());
url::Origin child_1_1 = root->child_at(1)->child_at(1)->current_origin();
EXPECT_EQ(child_1, child_1_1);
EXPECT_NE(child_1_0, child_1_1);
{
TestNavigationObserver observer(shell()->web_contents());
ASSERT_EQ(2U, root->child_at(1)->child_count());
EXPECT_TRUE(
ExecJs(root->child_at(1), JsReplace(
R"(
var iframe = document.createElement('iframe');
iframe.src = 'data:text/html;base64,' + btoa($1);
document.body.appendChild(iframe);
)",
"<html><body>This data: doc should be "
"different-origin.</body></html>")));
observer.Wait();
ASSERT_EQ(3U, root->child_at(1)->child_count());
}
EXPECT_EQ(root_origin, root->current_origin());
EXPECT_EQ(child_1, root->child_at(1)->current_origin());
EXPECT_EQ(child_1_0, root->child_at(1)->child_at(0)->current_origin());
EXPECT_EQ(child_1_1, root->child_at(1)->child_at(1)->current_origin());
url::Origin child_1_2 = root->child_at(1)->child_at(2)->current_origin();
EXPECT_NE(child_1, child_1_2);
EXPECT_NE(child_1_0, child_1_2);
EXPECT_NE(child_1_1, child_1_2);
EXPECT_EQ(url::SchemeHostPort(main_url),
child_1_2.GetTupleOrPrecursorTupleIfOpaque());
// If the parent navigates its child to a data URL, it should transfer
// to the parent's process, and the precursor origin should track the
// parent's origin.
{
GURL data_url("data:text/html,foo2");
TestNavigationObserver observer(shell()->web_contents());
EXPECT_TRUE(ExecJs(root, JsReplace("frames[0].location = $1", data_url)));
observer.Wait();
EXPECT_EQ(data_url, root->child_at(0)->current_url());
}
EXPECT_EQ(root->child_at(0)->current_origin().Serialize(), "null");
EXPECT_TRUE(root->child_at(0)->current_origin().opaque());
EXPECT_EQ(
url::SchemeHostPort(main_url),
root->child_at(0)->current_origin().GetTupleOrPrecursorTupleIfOpaque());
EXPECT_EQ(root->current_frame_host()->GetProcess(),
root->child_at(0)->current_frame_host()->GetProcess());
}
// Test to verify that a blob: URL that is created by a unique opaque origin
// will correctly set the origin_to_commit on a session history navigation.
IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
OriginForBlobUrlsFromUniqueOpaqueOrigin) {
// Start off with a navigation to data: URL in the main frame. It should
// result in a unique opaque origin without any precursor information.
GURL data_url("data:text/html,foo<iframe id='child' src='" +
embedded_test_server()->GetURL("/title1.html").spec() +
"'></iframe>");
EXPECT_TRUE(NavigateToURL(shell(), data_url));
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
EXPECT_TRUE(root->current_origin().opaque());
EXPECT_TRUE(
root->current_origin().GetTupleOrPrecursorTupleIfOpaque().IsInvalid());
EXPECT_EQ(1UL, root->child_count());
FrameTreeNode* child = root->child_at(0);
// Create a blob: URL and navigate the child frame to it.
std::string html = "<html><body>This is blob content.</body></html>";
std::string script = JsReplace(
"var blob = new Blob([$1], {type: 'text/html'});"
"var blob_url = URL.createObjectURL(blob);"
"document.getElementById('child').src = blob_url;"
"blob_url;",
html);
GURL blob_url;
{
TestFrameNavigationObserver observer(child);
blob_url = GURL(EvalJs(root, script).ExtractString());
observer.Wait();
EXPECT_EQ(blob_url, child->current_frame_host()->GetLastCommittedURL());
}
// We expect the frame to have committed in an opaque origin which contains
// the same precursor information - none.
url::Origin blob_origin = child->current_origin();
EXPECT_TRUE(blob_origin.opaque());
EXPECT_EQ(root->current_origin().GetTupleOrPrecursorTupleIfOpaque(),
blob_origin.GetTupleOrPrecursorTupleIfOpaque());
// Navigate the frame away to any web URL.
{
GURL url(embedded_test_server()->GetURL("/title2.html"));
TestFrameNavigationObserver observer(child);
EXPECT_TRUE(ExecJs(child, JsReplace("window.location = $1", url)));
observer.Wait();
EXPECT_EQ(url, child->current_frame_host()->GetLastCommittedURL());
}
EXPECT_FALSE(child->current_origin().opaque());
EXPECT_TRUE(shell()->web_contents()->GetController().CanGoBack());
EXPECT_EQ(3, shell()->web_contents()->GetController().GetEntryCount());
EXPECT_EQ(
2, shell()->web_contents()->GetController().GetLastCommittedEntryIndex());
// Verify the blob URL still exists in the main frame, which keeps it alive
// allowing a session history navigation back to succeed.
EXPECT_EQ(blob_url, GURL(EvalJs(root, "blob_url;").ExtractString()));
// Now navigate back in session history. It should successfully go back to
// the blob: URL.
{
TestFrameNavigationObserver observer(child);
shell()->web_contents()->GetController().GoBack();
observer.Wait();
}
EXPECT_EQ(blob_url, child->current_frame_host()->GetLastCommittedURL());
EXPECT_TRUE(child->current_origin().opaque());
EXPECT_EQ(blob_origin, child->current_origin());
EXPECT_EQ(root->current_origin().GetTupleOrPrecursorTupleIfOpaque(),
child->current_origin().GetTupleOrPrecursorTupleIfOpaque());
}
// Test to verify that about:blank iframe, which is a child of a sandboxed
// iframe is not considered same origin, but precursor information is preserved
// in its origin.
IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
AboutBlankSubframeInSandboxedFrame) {
// Start off by navigating to a page with sandboxed iframe, which allows
// script execution.
GURL main_url(
embedded_test_server()->GetURL("/sandboxed_main_frame_script.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
EXPECT_EQ(1UL, root->child_count());
FrameTreeNode* child = root->child_at(0);
// Navigate the frame to data: URL to cause it to have an opaque origin that
// is derived from the |main_url| origin.
GURL data_url("data:text/html,<html><body>foo</body></html>");
{
TestFrameNavigationObserver observer(child);
EXPECT_TRUE(ExecJs(root, JsReplace("frames[0].location = $1", data_url)));
observer.Wait();
EXPECT_EQ(data_url, child->current_frame_host()->GetLastCommittedURL());
}
// Add an about:blank iframe to the data: frame, which should not inherit the
// origin, but should preserve the precursor information.
{
EXPECT_TRUE(ExecJs(child,
"var f = document.createElement('iframe');"
"document.body.appendChild(f);"));
}
EXPECT_EQ(1UL, child->child_count());
FrameTreeNode* grandchild = child->child_at(0);
EXPECT_TRUE(grandchild->current_origin().opaque());
EXPECT_EQ(GURL(url::kAboutBlankURL),
grandchild->current_frame_host()->GetLastCommittedURL());
// The origin of the data: document should have precursor information matching
// the main frame origin.
EXPECT_EQ(root->current_origin().GetTupleOrPrecursorTupleIfOpaque(),
child->current_origin().GetTupleOrPrecursorTupleIfOpaque());
// The same should hold also for the about:blank subframe of the data: frame.
EXPECT_EQ(root->current_origin().GetTupleOrPrecursorTupleIfOpaque(),
grandchild->current_origin().GetTupleOrPrecursorTupleIfOpaque());
// The about:blank document should not be able to access its parent, as they
// are considered cross origin due to the sandbox flags on the parent.
EXPECT_FALSE(ExecJs(grandchild, "window.parent.foo = 'bar';"));
EXPECT_NE(child->current_origin(), grandchild->current_origin());
}
// Ensure that a popup opened from a sandboxed main frame inherits sandbox flags
// from its opener.
IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
SandboxFlagsSetForNewWindow) {
GURL main_url(
embedded_test_server()->GetURL("/sandboxed_main_frame_script.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
// Open a new window from the main frame.
GURL popup_url(embedded_test_server()->GetURL("foo.com", "/title1.html"));
Shell* new_shell = OpenPopup(root->current_frame_host(), popup_url, "");
EXPECT_TRUE(new_shell);
WebContents* new_contents = new_shell->web_contents();
// Check that the new window's sandbox flags correctly reflect the opener's
// flags. Main frame sets allow-popups, allow-pointer-lock and allow-scripts.
FrameTreeNode* popup_root =
static_cast<WebContentsImpl*>(new_contents)->GetFrameTree()->root();
blink::WebSandboxFlags main_frame_sandbox_flags =
root->current_frame_host()->active_sandbox_flags();
EXPECT_EQ(blink::WebSandboxFlags::kAll & ~blink::WebSandboxFlags::kPopups &
~blink::WebSandboxFlags::kPointerLock &
~blink::WebSandboxFlags::kScripts &
~blink::WebSandboxFlags::kAutomaticFeatures,
main_frame_sandbox_flags);
EXPECT_EQ(main_frame_sandbox_flags,
popup_root->effective_frame_policy().sandbox_flags);
EXPECT_EQ(main_frame_sandbox_flags, popup_root->active_sandbox_flags());
EXPECT_EQ(main_frame_sandbox_flags,
popup_root->current_frame_host()->active_sandbox_flags());
}
// Tests that the user activation bits get cleared when a cross-site document is
// installed in the frame.
IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
ClearUserActivationForNewDocument) {
GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetFrameTree()
->root();
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
// Set the user activation bits.
root->UpdateUserActivationState(
blink::UserActivationUpdateType::kNotifyActivation);
EXPECT_TRUE(root->HasBeenActivated());
EXPECT_TRUE(root->HasTransientUserActivation());
// Install a new cross-site document to check the clearing of user activation
// bits.
GURL cross_site_url(
embedded_test_server()->GetURL("foo.com", "/title2.html"));
EXPECT_TRUE(NavigateToURL(shell(), cross_site_url));
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
}
// FrameTreeBrowserTest variant where we isolate http://*.is, Iceland's top
// level domain. This is an analogue to isolating extensions, which we can use
// inside content_browsertests, where extensions don't exist. Iceland, like an
// extension process, is a special place with magical powers; we want to protect
// it from outsiders.
class IsolateIcelandFrameTreeBrowserTest : public ContentBrowserTest {
public:
IsolateIcelandFrameTreeBrowserTest() {}
void SetUpCommandLine(base::CommandLine* command_line) override {
// Blink suppresses navigations to blob URLs of origins different from the
// frame initiating the navigation. We disable those checks for this test,
// to test what happens in a compromise scenario.
command_line->AppendSwitch(switches::kDisableWebSecurity);
// ProcessSwitchForIsolatedBlob test below requires that one of URLs used in
// the test (blob:http://b.is/) belongs to an isolated origin.
command_line->AppendSwitchASCII(switches::kIsolateOrigins, "http://b.is/");
}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
SetupCrossSiteRedirector(embedded_test_server());
ASSERT_TRUE(embedded_test_server()->Start());
}
private:
DISALLOW_COPY_AND_ASSIGN(IsolateIcelandFrameTreeBrowserTest);
};
// Regression test for https://crbug.com/644966
IN_PROC_BROWSER_TEST_F(IsolateIcelandFrameTreeBrowserTest,
ProcessSwitchForIsolatedBlob) {
// Set up an iframe.
WebContents* contents = shell()->web_contents();
FrameTreeNode* root =
static_cast<WebContentsImpl*>(contents)->GetFrameTree()->root();
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(a)"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
// The navigation targets an invalid blob url; that's intentional to trigger
// an error response. The response should commit in a process dedicated to
// http://b.is.
EXPECT_EQ(
"done",
EvalJs(
root,
"new Promise((resolve) => {"
" var iframe_element = document.getElementsByTagName('iframe')[0];"
" iframe_element.onload = () => resolve('done');"
" iframe_element.src = 'blob:http://b.is/';"
"});"));
WaitForLoadStop(contents);
// Make sure we did a process transfer back to "b.is".
const std::string kExpectedSiteURL =
AreDefaultSiteInstancesEnabled()
? SiteInstanceImpl::GetDefaultSiteURL().spec()
: "http://a.com/";
EXPECT_EQ(base::StringPrintf(" Site A ------------ proxies for B\n"
" +--Site B ------- proxies for A\n"
"Where A = %s\n"
" B = http://b.is/",
kExpectedSiteURL.c_str()),
FrameTreeVisualizer().DepictFrameTree(root));
}
#if !defined(OS_ANDROID)
// Test transferring the user activation state between nodes in the frame tree.
class TransferUserActivationFrameTreeBrowserTest : public ContentBrowserTest {
public:
TransferUserActivationFrameTreeBrowserTest() {}
void SetUpCommandLine(base::CommandLine* command_line) override {
feature_list_.InitWithFeatures(
{features::kUserActivationPostMessageTransfer,
features::kUserActivationSameOriginVisibility,
features::kUserActivationV2},
{});
}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
SetupCrossSiteRedirector(embedded_test_server());
ASSERT_TRUE(embedded_test_server()->Start());
}
private:
base::test::ScopedFeatureList feature_list_;
DISALLOW_COPY_AND_ASSIGN(TransferUserActivationFrameTreeBrowserTest);
};
IN_PROC_BROWSER_TEST_F(TransferUserActivationFrameTreeBrowserTest,
PostMessageTransferActivationCrossOrigin) {
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b,c)"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContentsImpl* contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
FrameTreeNode* root = contents->GetFrameTree()->root();
FrameTreeNode* child1 = root->child_at(0);
FrameTreeNode* child2 = root->child_at(1);
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
EXPECT_FALSE(child1->HasBeenActivated());
EXPECT_FALSE(child1->HasTransientUserActivation());
EXPECT_FALSE(child2->HasBeenActivated());
EXPECT_FALSE(child2->HasTransientUserActivation());
// Activate the root frame.
EXPECT_TRUE(ExecuteScript(shell(), ""));
EXPECT_TRUE(root->HasBeenActivated());
EXPECT_TRUE(root->HasTransientUserActivation());
EXPECT_FALSE(child1->HasBeenActivated());
EXPECT_FALSE(child1->HasTransientUserActivation());
EXPECT_FALSE(child2->HasBeenActivated());
EXPECT_FALSE(child2->HasTransientUserActivation());
// Post a message from the root frame to the child frame with
// |transferUserActivation| true to transfer the user activation state from
// root to child.
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(
child1->current_frame_host(),
"window.addEventListener('message', function(event) {\n"
" domAutomationController.send('done-' + event.data);\n"
"});"));
DOMMessageQueue msg_queue;
std::string actual_test_reply;
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(
shell(),
"window.frames[0].postMessage('Hello', "
"{targetOrigin: '*', transferUserActivation: "
"true})"));
while (msg_queue.WaitForMessage(&actual_test_reply)) {
if (actual_test_reply == "\"done-Hello\"")
break;
}
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
EXPECT_TRUE(child1->HasBeenActivated());
EXPECT_TRUE(child1->HasTransientUserActivation());
EXPECT_FALSE(child2->HasBeenActivated());
EXPECT_FALSE(child2->HasTransientUserActivation());
// Post a message from one child to another child in a different origin with
// |transferUserActivation| true to transfer the user activation state from
// one child to another child node in the frame tree.
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(
child2->current_frame_host(),
"window.addEventListener('message', function(event) {\n"
" domAutomationController.send('done-' + event.data);\n"
"});"));
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(
child1->current_frame_host(),
"window.parent.frames[1].postMessage('Hey', "
"{targetOrigin: '*', transferUserActivation: "
"true})"));
while (msg_queue.WaitForMessage(&actual_test_reply)) {
if (actual_test_reply == "\"done-Hey\"")
break;
}
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
EXPECT_FALSE(child1->HasBeenActivated());
EXPECT_FALSE(child1->HasTransientUserActivation());
EXPECT_TRUE(child2->HasBeenActivated());
EXPECT_TRUE(child2->HasTransientUserActivation());
}
IN_PROC_BROWSER_TEST_F(TransferUserActivationFrameTreeBrowserTest,
PostMessageTransferActivationSameOrigin) {
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b(b))"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
WebContentsImpl* contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
FrameTreeNode* root = contents->GetFrameTree()->root();
FrameTreeNode* child1 = root->child_at(0);
FrameTreeNode* child2 = child1->child_at(0);
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
EXPECT_FALSE(child1->HasBeenActivated());
EXPECT_FALSE(child1->HasTransientUserActivation());
EXPECT_FALSE(child2->HasBeenActivated());
EXPECT_FALSE(child2->HasTransientUserActivation());
// Activate the root frame and transfer the user activation state from root
// to child1.
std::string message_event_listener =
"window.addEventListener('message', function(event) {\n"
" domAutomationController.send('done-' + event.data);\n"
"});";
EXPECT_TRUE(ExecuteScript(shell(), ""));
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(child1->current_frame_host(),
message_event_listener));
DOMMessageQueue msg_queue;
std::string actual_test_reply;
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(
shell(),
"window.frames[0].postMessage('Hello', "
"{targetOrigin: '*', transferUserActivation: true})"));
while (msg_queue.WaitForMessage(&actual_test_reply)) {
if (actual_test_reply == "\"done-Hello\"")
break;
}
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
EXPECT_TRUE(child1->HasBeenActivated());
EXPECT_TRUE(child1->HasTransientUserActivation());
EXPECT_FALSE(child2->HasBeenActivated());
EXPECT_FALSE(child2->HasTransientUserActivation());
// Post a message from child1 to its child child2 in the same origin with
// |transferUserActivation| true to transfer the user activation state from
// one node to its child node in the frame tree.
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(child2->current_frame_host(),
message_event_listener));
EXPECT_TRUE(ExecuteScriptWithoutUserGesture(
child1->current_frame_host(),
"window.frames[0].postMessage('Hey', "
"{targetOrigin: '*', transferUserActivation: true})"));
while (msg_queue.WaitForMessage(&actual_test_reply)) {
if (actual_test_reply == "\"done-Hey\"")
break;
}
EXPECT_FALSE(root->HasBeenActivated());
EXPECT_FALSE(root->HasTransientUserActivation());
EXPECT_FALSE(child1->HasBeenActivated());
EXPECT_FALSE(child1->HasTransientUserActivation());
EXPECT_TRUE(child2->HasBeenActivated());
EXPECT_TRUE(child2->HasTransientUserActivation());
}
#endif
} // namespace content