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content / browser / loader / cors_file_origin_browsertest.cc [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/path_service.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/waitable_event.h"
#include "base/test/scoped_command_line.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_paths.h"
#include "content/public/common/content_switches.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/shell/browser/shell.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_status_code.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 "net/test/embedded_test_server/request_handler_util.h"
#include "services/network/public/cpp/cors/cors.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "url/gurl.h"
#include "url/url_constants.h"
namespace content {
namespace {
using net::test_server::BasicHttpResponse;
using net::test_server::HttpRequest;
using net::test_server::HttpResponse;
// Tests end to end Origin header and CORS check behaviors without
// --allow-file-access-from-files flag.
class CorsFileOriginBrowserTest : public ContentBrowserTest {
public:
CorsFileOriginBrowserTest() : pass_string_(u"PASS"), fail_string_(u"FAIL") {}
CorsFileOriginBrowserTest(const CorsFileOriginBrowserTest&) = delete;
CorsFileOriginBrowserTest& operator=(const CorsFileOriginBrowserTest&) =
delete;
~CorsFileOriginBrowserTest() override = default;
protected:
GURL CreateTestDataURL(const std::string& relative_path) {
base::AutoLock lock(lock_);
base::FilePath path(test_data_loader_path_);
path = path.AppendASCII(relative_path);
// This is wrong if developers checkout the source code in a path that
// contains non-ASCII characters to run the browser tests.
std::string url = "file://" + path.MaybeAsASCII();
return GURL(url);
}
std::unique_ptr<TitleWatcher> CreateWatcher() {
// Register all possible result strings here.
std::unique_ptr<TitleWatcher> watcher =
std::make_unique<TitleWatcher>(shell()->web_contents(), pass_string());
watcher->AlsoWaitForTitle(fail_string());
// Does not appear in the expectations, but the title can be on unexpected
// failures.
std::u16string wrong_origin_string = u"FAIL: response text does not match";
watcher->AlsoWaitForTitle(wrong_origin_string);
return watcher;
}
std::string target_http_url() {
return base::StringPrintf("http://127.0.0.1:%d/test", port());
}
std::string target_file_url() const { return "get.txt"; }
std::string target_self_file_url() const {
return "cors_file_origin_test.html";
}
const std::u16string& pass_string() const { return pass_string_; }
const std::u16string& fail_string() const { return fail_string_; }
uint16_t port() {
base::AutoLock lock(lock_);
return port_;
}
bool is_preflight_requested() {
base::AutoLock lock(lock_);
return is_preflight_requested_;
}
private:
virtual bool AllowFileAccessFromFiles() const { return false; }
virtual bool IsWebSecurityEnabled() const { return true; }
void SetUpCommandLine(base::CommandLine* command_line) override {
if (!IsWebSecurityEnabled()) {
command_line->AppendSwitch(switches::kDisableWebSecurity);
}
if (AllowFileAccessFromFiles()) {
command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
}
}
void SetUpOnMainThread() override {
base::AutoLock lock(lock_);
// Need to obtain the path on the main thread.
ASSERT_TRUE(base::PathService::Get(DIR_TEST_DATA, &test_data_loader_path_));
test_data_loader_path_ =
test_data_loader_path_.Append(FILE_PATH_LITERAL("loader"));
embedded_test_server()->RegisterRequestHandler(base::BindRepeating(
&CorsFileOriginBrowserTest::HandleWithAccessControlAllowOrigin,
base::Unretained(this)));
ASSERT_TRUE(embedded_test_server()->Start());
port_ = embedded_test_server()->port();
}
std::unique_ptr<HttpResponse> HandleWithAccessControlAllowOrigin(
const HttpRequest& request) {
std::unique_ptr<BasicHttpResponse> response;
if (net::test_server::ShouldHandle(request, "/test")) {
// Accept XHR CORS requests.
response = std::make_unique<BasicHttpResponse>();
response->set_code(net::HTTP_OK);
auto query = net::test_server::ParseQuery(request.GetURL());
response->AddCustomHeader(
network::cors::header_names::kAccessControlAllowOrigin,
query["allow"][0]);
if (request.method == net::test_server::METHOD_OPTIONS) {
// For CORS-preflight request.
response->AddCustomHeader(
network::cors::header_names::kAccessControlAllowMethods,
"GET, OPTIONS");
response->AddCustomHeader(
network::cors::header_names::kAccessControlAllowHeaders,
"X-NotSimple");
response->AddCustomHeader(
network::cors::header_names::kAccessControlMaxAge, "0");
response->AddCustomHeader(net::HttpRequestHeaders::kCacheControl,
"no-store");
base::AutoLock lock(lock_);
is_preflight_requested_ = true;
}
// Return the request origin header as the body so that JavaScript can
// check if it sent the expected origin header.
auto origin = request.headers.find(net::HttpRequestHeaders::kOrigin);
if (origin != request.headers.end()) {
response->set_content(origin->second);
}
}
return response;
}
base::Lock lock_;
base::FilePath test_data_loader_path_;
uint16_t port_;
bool is_preflight_requested_ = false;
const std::u16string pass_string_;
const std::u16string fail_string_;
};
// Tests end to end Origin header and CORS check behaviors with
// --allow-file-access-from-files flag.
class CorsFileOriginBrowserTestWithAllowFileAccessFromFiles
: public CorsFileOriginBrowserTest {
private:
bool AllowFileAccessFromFiles() const override { return true; }
};
// Tests end to end Origin header and CORS check behaviors with
// --disable-web-security flag.
class CorsFileOriginBrowserTestWithDisableWebSecurity
: public CorsFileOriginBrowserTest {
private:
bool IsWebSecurityEnabled() const override { return false; }
};
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest,
AccessControlAllowOriginIsNull) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_http_url().c_str(), "null", "null"))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
EXPECT_TRUE(is_preflight_requested());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest,
AccessControlAllowOriginIsFile) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_http_url().c_str(), "file://", "null"))));
EXPECT_EQ(fail_string(), watcher->WaitAndGetTitle());
EXPECT_TRUE(is_preflight_requested());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest, AccessToSelfFileUrl) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_self_file_url().c_str(), "unused", "unused"))));
EXPECT_EQ(fail_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest, AccessToAnotherFileUrl) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_file_url().c_str(), "unused", "unused"))));
EXPECT_EQ(fail_string(), watcher->WaitAndGetTitle());
}
// TODO(lukasza, nasko): https://crbug.com/981018: Enable this test on Macs
// after understanding what makes it flakily fail on the mac-rel trybot.
// Also flaky on Lacros: https://crbug.com/1247748.
#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS_LACROS)
#define MAYBE_UniversalAccessFromFileUrls DISABLED_UniversalAccessFromFileUrls
#else
#define MAYBE_UniversalAccessFromFileUrls UniversalAccessFromFileUrls
#endif
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest,
MAYBE_UniversalAccessFromFileUrls) {
const char* kScript = R"(
fetch($1)
.then(response => response.text())
.then(text => "SUCCESS: " + text)
.catch(error => "ERROR: " + error)
)";
std::string script =
JsReplace(kScript, embedded_test_server()->GetURL("/title2.html"));
// Activate the preference to allow universal access from file URLs.
blink::web_pref::WebPreferences prefs =
shell()->web_contents()->GetOrCreateWebPreferences();
prefs.allow_universal_access_from_file_urls = true;
shell()->web_contents()->SetWebPreferences(prefs);
// Navigate to a file: test page.
GURL page_url = GetTestUrl(nullptr, "title1.html");
EXPECT_EQ(url::kFileScheme, page_url.scheme());
EXPECT_TRUE(NavigateToURL(shell(), page_url));
// Fetching http resources should be allowed by CORS when
// universal access from file URLs is requested.
std::string fetch_result = EvalJs(shell(), script).ExtractString();
fetch_result = std::string(TrimWhitespaceASCII(fetch_result, base::TRIM_ALL));
EXPECT_THAT(fetch_result, ::testing::HasSubstr("SUCCESS:"));
EXPECT_THAT(fetch_result, ::testing::HasSubstr("This page has a title"));
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithAllowFileAccessFromFiles,
AccessControlAllowOriginIsNull) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_http_url().c_str(), "null", "file://"))));
EXPECT_EQ(fail_string(), watcher->WaitAndGetTitle());
EXPECT_TRUE(is_preflight_requested());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithAllowFileAccessFromFiles,
AccessControlAllowOriginIsFile) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_http_url().c_str(), "file://", "file://"))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
EXPECT_TRUE(is_preflight_requested());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithAllowFileAccessFromFiles,
AccessToSelfFileUrl) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_self_file_url().c_str(), "unused", "unused"))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithAllowFileAccessFromFiles,
AccessToAnotherFileUrl) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_file_url().c_str(), "unused", "unused"))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithDisableWebSecurity,
AccessControlAllowOriginIsNull) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_http_url().c_str(), "unused", ""))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
EXPECT_FALSE(is_preflight_requested());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithDisableWebSecurity,
AccessControlAllowOriginIsFile) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_http_url().c_str(), "unused", ""))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
EXPECT_FALSE(is_preflight_requested());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithDisableWebSecurity,
AccessToSelfFileUrl) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_self_file_url().c_str(), "unused", "unused"))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithDisableWebSecurity,
AccessToAnotherFileUrl) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL(base::StringPrintf(
"cors_file_origin_test.html?url=%s&allow=%s&response_text=%s",
target_file_url().c_str(), "unused", "unused"))));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
// Test if local image files can be protected by canvas tainting.
// We can not have following test cases in web_tests because web_tests run with
// --run-web-tests flag that internally specifies --allow-file-access-from-files
// that changes this specific behavior.
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest, NoCorsImagefileTaint) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(), CreateTestDataURL("image-taint.html?test=no_cors")));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTest, CorsImagefileTaint) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(
NavigateToURL(shell(), CreateTestDataURL("image-taint.html?test=cors")));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithAllowFileAccessFromFiles,
NoCorsImagefileTaint) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL("image-taint.html?test=no_cors_with_file_access")));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithAllowFileAccessFromFiles,
CorsImagefileTaint) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(),
CreateTestDataURL("image-taint.html?test=cors_with_file_access")));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithDisableWebSecurity,
NoCorsImagefileTaint) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(), CreateTestDataURL(
"image-taint.html?test=no_cors_with_disable_web_security")));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
IN_PROC_BROWSER_TEST_F(CorsFileOriginBrowserTestWithDisableWebSecurity,
CorsImagefileTaint) {
std::unique_ptr<TitleWatcher> watcher = CreateWatcher();
EXPECT_TRUE(NavigateToURL(
shell(), CreateTestDataURL(
"image-taint.html?test=cors_with_disable_web_security")));
EXPECT_EQ(pass_string(), watcher->WaitAndGetTitle());
}
} // namespace
} // namespace content