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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <utility>
#include "base/functional/bind.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/content_navigation_policy.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/back_forward_cache_util.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_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/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 "net/test/embedded_test_server/http_request.h"
#include "net/test/embedded_test_server/http_response.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
// Handles |request| by serving a response with title set to request contents.
std::unique_ptr<net::test_server::HttpResponse> HandleEchoTitleRequest(
const std::string& echotitle_path,
const net::test_server::HttpRequest& request) {
if (!base::StartsWith(request.relative_url, echotitle_path,
base::CompareCase::SENSITIVE)) {
return nullptr;
}
std::unique_ptr<net::test_server::BasicHttpResponse> http_response(
new net::test_server::BasicHttpResponse);
http_response->set_code(net::HTTP_OK);
http_response->set_content(
base::StringPrintf(
"<html><head><title>%s</title></head></html>",
request.content.c_str()));
return std::move(http_response);
}
} // namespace
class SessionHistoryTest : public ContentBrowserTest {
protected:
SessionHistoryTest() {}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
SetupCrossSiteRedirector(embedded_test_server());
embedded_test_server()->RegisterRequestHandler(
base::BindRepeating(&HandleEchoTitleRequest, "/echotitle"));
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_TRUE(NavigateToURL(shell(), GURL(url::kAboutBlankURL)));
}
// Simulate clicking a link. Only works on the frames.html testserver page.
void ClickLink(const std::string& node_id) {
TestNavigationObserver observer(shell()->web_contents());
shell()->LoadURL(GURL("javascript:clickLink('" + node_id + "')"));
observer.Wait();
}
// Simulate submitting a form. Only works on the frames.html page with
// subframe = form.html, and on form.html itself. Assumes that the form
// submission triggers a navigation and waits for that navigation to complete
// before returning. Expects caller to validate the new URL after the
// navigation.
void SubmitForm(const std::string& node_id) {
TestNavigationObserver observer(shell()->web_contents());
shell()->LoadURL(GURL("javascript:submitForm('" + node_id + "')"));
observer.Wait();
}
// Navigate session history using history.go(distance).
void JavascriptGo(const std::string& distance) {
TestNavigationObserver observer(shell()->web_contents());
EXPECT_TRUE(ExecJs(ToRenderFrameHost(shell()->web_contents()),
"history.go('" + distance + "')"));
observer.Wait();
}
std::string GetTabTitle() {
return base::UTF16ToASCII(shell()->web_contents()->GetTitle());
}
GURL GetTabURL() {
return shell()->web_contents()->GetLastCommittedURL();
}
GURL GetURL(const std::string& file) {
return embedded_test_server()->GetURL(
std::string("/session_history/") + file);
}
void NavigateAndCheckTitle(const char* filename,
const std::string& expected_title) {
std::u16string expected_title16(base::ASCIIToUTF16(expected_title));
TitleWatcher title_watcher(shell()->web_contents(), expected_title16);
EXPECT_TRUE(NavigateToURL(shell(), GetURL(filename)));
ASSERT_EQ(expected_title16, title_watcher.WaitAndGetTitle());
}
bool CanGoBack() {
return shell()->web_contents()->GetController().CanGoBack();
}
bool CanGoForward() {
return shell()->web_contents()->GetController().CanGoForward();
}
void GoBack() {
LoadStopObserver load_stop_observer(shell()->web_contents());
shell()->web_contents()->GetController().GoBack();
load_stop_observer.Wait();
}
void GoForward() {
LoadStopObserver load_stop_observer(shell()->web_contents());
shell()->web_contents()->GetController().GoForward();
load_stop_observer.Wait();
}
};
class SessionHistoryScrollAnchorTest : public SessionHistoryTest {
protected:
SessionHistoryScrollAnchorTest() = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
SessionHistoryTest::SetUpCommandLine(command_line);
command_line->AppendSwitchASCII(switches::kEnableBlinkFeatures,
"ScrollAnchorSerialization");
}
};
// If this flakes, use http://crbug.com/61619 on windows and
// http://crbug.com/102094 on mac.
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, BasicBackForward) {
ASSERT_FALSE(CanGoBack());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot1.html", "bot1"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot2.html", "bot2"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot3.html", "bot3"));
// history is [blank, bot1, bot2, *bot3]
GoBack();
EXPECT_EQ("bot2", GetTabTitle());
GoBack();
EXPECT_EQ("bot1", GetTabTitle());
GoForward();
EXPECT_EQ("bot2", GetTabTitle());
GoBack();
EXPECT_EQ("bot1", GetTabTitle());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot3.html", "bot3"));
// history is [blank, bot1, *bot3]
ASSERT_FALSE(CanGoForward());
EXPECT_EQ("bot3", GetTabTitle());
GoBack();
EXPECT_EQ("bot1", GetTabTitle());
GoBack();
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
ASSERT_FALSE(CanGoBack());
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
GoForward();
EXPECT_EQ("bot1", GetTabTitle());
GoForward();
EXPECT_EQ("bot3", GetTabTitle());
}
// Test that back/forward works when navigating in subframes.
// If this flakes, use http://crbug.com/48833
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, FrameBackForward) {
ASSERT_FALSE(CanGoBack());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("frames.html", "bot1"));
ClickLink("abot2");
EXPECT_EQ("bot2", GetTabTitle());
GURL frames(GetURL("frames.html"));
EXPECT_EQ(frames, GetTabURL());
ClickLink("abot3");
EXPECT_EQ("bot3", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// history is [blank, bot1, bot2, *bot3]
GoBack();
EXPECT_EQ("bot2", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoBack();
EXPECT_EQ("bot1", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoBack();
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
EXPECT_EQ(GURL(url::kAboutBlankURL), GetTabURL());
GoForward();
EXPECT_EQ("bot1", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoForward();
EXPECT_EQ("bot2", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
ClickLink("abot1");
EXPECT_EQ("bot1", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// history is [blank, bot1, bot2, *bot1]
ASSERT_FALSE(CanGoForward());
EXPECT_EQ("bot1", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoBack();
EXPECT_EQ("bot2", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoBack();
EXPECT_EQ("bot1", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
}
// Test that back/forward preserves POST data and document state in subframes.
// If this flakes use http://crbug.com/61619
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, FrameFormBackForward) {
ASSERT_FALSE(CanGoBack());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("frames.html", "bot1"));
ClickLink("aform");
EXPECT_EQ("form", GetTabTitle());
GURL frames(GetURL("frames.html"));
EXPECT_EQ(frames, GetTabURL());
SubmitForm("isubmit");
EXPECT_EQ("text=&select=a", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoBack();
EXPECT_EQ("form", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// history is [blank, bot1, *form, post]
ClickLink("abot2");
EXPECT_EQ("bot2", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// history is [blank, bot1, form, *bot2]
GoBack();
EXPECT_EQ("form", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
SubmitForm("isubmit");
EXPECT_EQ("text=&select=a", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// history is [blank, bot1, form, *post]
// TODO(mpcomplete): reenable this when WebKit bug 10199 is fixed:
// "returning to a POST result within a frame does a GET instead of a POST"
ClickLink("abot2");
EXPECT_EQ("bot2", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
GoBack();
EXPECT_EQ("text=&select=a", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
}
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, CrossFrameFormBackForward) {
ASSERT_FALSE(CanGoBack());
GURL frames(GetURL("frames.html"));
// Open a page with "ftop" and "fbot" iframe.
// The title of the main frame follows the title of the "fbot" iframe.
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("frames.html", "bot1"));
// Click link in the "fbot" iframe. This updates the title of the main frame
// to "form".
ClickLink("aform");
EXPECT_EQ("form", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// Submit form in the "fbot" iframe. This submits to /echotitle which sets the
// title to the submission content of the form.
SubmitForm("isubmit");
EXPECT_EQ("text=&select=a", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// Go back, navigating the "fbot" iframe. This updates the title of the main
// frame back to "form".
GoBack();
EXPECT_EQ("form", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// history is [blank, bot1, *form, post]
// Navigate the main frame.
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot2.html", "bot2"));
// history is [blank, bot1, form, *bot2]
// Navigate the main frame back. If back/forward cache is enabled, the page
// will be restored as it was before we navigated away from it, with the title
// set to "form". If not, the page will be reloaded from scratch, setting the
// title to "bot1" again.
GoBack();
EXPECT_EQ(IsBackForwardCacheEnabled() ? "form" : "bot1", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
// Submit the form in the "fbot" iframe again . This submits to /echotitle
// which sets the title to the submission content of the form.
SubmitForm("isubmit");
EXPECT_EQ("text=&select=a", GetTabTitle());
EXPECT_EQ(frames, GetTabURL());
}
// Test that back/forward entries are created for reference fragment
// navigations. Bug 730379.
// If this flakes use http://crbug.com/61619.
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, FragmentBackForward) {
ASSERT_FALSE(CanGoBack());
GURL fragment(GetURL("fragment.html"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("fragment.html", "fragment"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("fragment.html#a", "fragment"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("fragment.html#b", "fragment"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("fragment.html#c", "fragment"));
// history is [blank, fragment, fragment#a, fragment#b, *fragment#c]
GoBack();
EXPECT_EQ(GetURL("fragment.html#b"), GetTabURL());
GoBack();
EXPECT_EQ(GetURL("fragment.html#a"), GetTabURL());
GoBack();
EXPECT_EQ(GetURL("fragment.html"), GetTabURL());
GoForward();
EXPECT_EQ(GetURL("fragment.html#a"), GetTabURL());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot3.html", "bot3"));
// history is [blank, fragment, fragment#a, bot3]
ASSERT_FALSE(CanGoForward());
EXPECT_EQ(GetURL("bot3.html"), GetTabURL());
GoBack();
EXPECT_EQ(GetURL("fragment.html#a"), GetTabURL());
GoBack();
EXPECT_EQ(GetURL("fragment.html"), GetTabURL());
}
// Test that the javascript window.history object works.
// NOTE: history.go(N) does not do anything if N is outside the bounds of the
// back/forward list (such as trigger our start/stop loading events). This
// means the test will hang if it attempts to navigate too far forward or back,
// since we'll be waiting forever for a load stop event.
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, JavascriptHistory) {
ASSERT_FALSE(CanGoBack());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot1.html", "bot1"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot2.html", "bot2"));
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot3.html", "bot3"));
// history is [blank, bot1, bot2, *bot3]
JavascriptGo("-1");
EXPECT_EQ("bot2", GetTabTitle());
JavascriptGo("-1");
EXPECT_EQ("bot1", GetTabTitle());
JavascriptGo("1");
EXPECT_EQ("bot2", GetTabTitle());
JavascriptGo("-1");
EXPECT_EQ("bot1", GetTabTitle());
JavascriptGo("2");
EXPECT_EQ("bot3", GetTabTitle());
// history is [blank, bot1, bot2, *bot3]
JavascriptGo("-3");
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
ASSERT_FALSE(CanGoBack());
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
JavascriptGo("1");
EXPECT_EQ("bot1", GetTabTitle());
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle("bot3.html", "bot3"));
// history is [blank, bot1, *bot3]
ASSERT_FALSE(CanGoForward());
EXPECT_EQ("bot3", GetTabTitle());
JavascriptGo("-1");
EXPECT_EQ("bot1", GetTabTitle());
JavascriptGo("-1");
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
ASSERT_FALSE(CanGoBack());
EXPECT_EQ(std::string(url::kAboutBlankURL), GetTabTitle());
JavascriptGo("1");
EXPECT_EQ("bot1", GetTabTitle());
JavascriptGo("1");
EXPECT_EQ("bot3", GetTabTitle());
// TODO(creis): Test that JavaScript history navigations work across tab
// types. For example, load about:network in a tab, then a real page, then
// try to go back and forward with JavaScript. Bug 1136715.
// (Hard to test right now, because pages like about:network cause the
// TabProxy to hang.)
}
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, LocationReplace) {
// Test that using location.replace doesn't leave the title of the old page
// visible.
std::u16string expected_title16(u"bot1");
TitleWatcher title_watcher(shell()->web_contents(), expected_title16);
EXPECT_TRUE(NavigateToURL(shell(), GetURL("replace.html?bot1.html"),
GetURL("bot1.html") /* expected_commit_url */));
ASSERT_EQ(expected_title16, title_watcher.WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, LocationChangeInSubframe) {
ASSERT_NO_FATAL_FAILURE(NavigateAndCheckTitle(
"location_redirect.html", "Default Title"));
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetPrimaryFrameTree()
.root();
TestFrameNavigationObserver observer(root->child_at(0));
shell()->LoadURL(GURL("javascript:void(frames[0].navigate())"));
observer.Wait();
EXPECT_EQ("foo", GetTabTitle());
EXPECT_EQ(GetURL("location_redirect_frame2.html"),
root->child_at(0)->current_url());
GoBack();
EXPECT_EQ("Default Title", GetTabTitle());
}
IN_PROC_BROWSER_TEST_F(SessionHistoryScrollAnchorTest,
LocationChangeInSubframe) {
ASSERT_NO_FATAL_FAILURE(
NavigateAndCheckTitle("location_redirect.html", "Default Title"));
FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
->GetPrimaryFrameTree()
.root();
TestFrameNavigationObserver observer(root->child_at(0));
shell()->LoadURL(GURL("javascript:void(frames[0].navigate())"));
observer.Wait();
EXPECT_EQ("foo", GetTabTitle());
EXPECT_EQ(GetURL("location_redirect_frame2.html"),
root->child_at(0)->current_url());
GoBack();
EXPECT_EQ("Default Title", GetTabTitle());
}
// http://code.google.com/p/chromium/issues/detail?id=56267
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, HistoryLength) {
EXPECT_EQ(1, EvalJs(shell(), "history.length"));
EXPECT_TRUE(
NavigateToURL(shell(), embedded_test_server()->GetURL("/title1.html")));
EXPECT_EQ(2, EvalJs(shell(), "history.length"));
// Now test that history.length is updated when the navigation is committed.
EXPECT_TRUE(NavigateToURL(shell(), GetURL("record_length.html")));
EXPECT_EQ(3, EvalJs(shell(), "history.length"));
GoBack();
GoBack();
// Ensure history.length is properly truncated.
EXPECT_TRUE(
NavigateToURL(shell(), embedded_test_server()->GetURL("/title2.html")));
EXPECT_EQ(2, EvalJs(shell(), "history.length"));
}
// Test that verifies that a cross-process transfer doesn't lose session
// history state - https://crbug.com/613004.
//
// Trigerring a cross-process transfer via embedded_test_server requires use of
// a HTTP redirect response (to preserve port number). Therefore the test ends
// up accidentally testing redirection logic as well - in particular, the test
// uses 307 (rather than 302) redirect to preserve the body of HTTP POST across
// redirects (as mandated by https://tools.ietf.org/html/rfc7231#section-6.4.7).
IN_PROC_BROWSER_TEST_F(SessionHistoryTest, GoBackToCrossSitePostWithRedirect) {
GURL form_url(embedded_test_server()->GetURL(
"a.com", "/form_that_posts_cross_site.html"));
GURL redirect_target_url(embedded_test_server()->GetURL("x.com", "/echoall"));
GURL page_to_go_back_from(
embedded_test_server()->GetURL("c.com", "/title1.html"));
// Navigate to the page with form that posts via 307 redirection to
// |redirect_target_url| (cross-site from |form_url|).
EXPECT_TRUE(NavigateToURL(shell(), form_url));
// Submit the form.
TestNavigationObserver form_post_observer(shell()->web_contents(), 1);
EXPECT_TRUE(ExecJs(shell(), "document.getElementById('text-form').submit()"));
form_post_observer.Wait();
// Verify that we arrived at the expected, redirected location.
EXPECT_EQ(redirect_target_url,
shell()->web_contents()->GetLastCommittedURL());
// Verify that POST body got preserved by 307 redirect. This expectation
// comes from: https://tools.ietf.org/html/rfc7231#section-6.4.7
EXPECT_EQ(
"text=value\n",
EvalJs(shell(), "document.getElementsByTagName('pre')[0].innerText"));
// Navigate to a page from yet another site.
EXPECT_TRUE(NavigateToURL(shell(), page_to_go_back_from));
// Go back - this should resubmit form's post data.
TestNavigationObserver back_nav_observer(shell()->web_contents(), 1);
shell()->web_contents()->GetController().GoBack();
back_nav_observer.Wait();
// Again verify that we arrived at the expected, redirected location.
EXPECT_EQ(redirect_target_url,
shell()->web_contents()->GetLastCommittedURL());
// Again verify that POST body got preserved by 307 redirect.
EXPECT_EQ(
"text=value\n",
EvalJs(shell(), "document.getElementsByTagName('pre')[0].innerText"));
}
} // namespace content
|
