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// Copyright 2019 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_view>
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/safe_browsing/content/browser/web_ui/safe_browsing_ui.h"
#include "components/safe_browsing/core/common/proto/csd.pb.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/site_instance.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/download_test_observer.h"
#include "crypto/sha2.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/window_open_disposition.h"
namespace safe_browsing {
class DownloadProtectionServiceBrowserTest : public InProcessBrowserTest {
protected:
base::FilePath GetTestDataDirectory() {
base::FilePath test_file_directory;
base::PathService::Get(chrome::DIR_TEST_DATA, &test_file_directory);
return test_file_directory;
}
void DownloadAndWait(GURL url) {
content::DownloadManager* download_manager =
browser()->profile()->GetDownloadManager();
content::DownloadTestObserverTerminal observer(
download_manager, 1,
content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_IGNORE);
// This call will block until the navigation completes, but will not wait
// for the download to finish.
ui_test_utils::NavigateToURLWithDisposition(
browser(), url, WindowOpenDisposition::CURRENT_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
observer.WaitForFinished();
}
// The hash of 10 A's, followed by a newline. Was generated as follows:
// echo "AAAAAAAAAA" > a.zip
// sha256sum a.zip
static constexpr std::string_view kAZipDigest =
"\x70\x5d\x29\x0c\x12\x89\x59\x01\xf8\x09\xf6\xc2\xfe\x77\x2a\x94\xdb\x51"
"\x81\xd7\x26\x46\x4d\x84\x06\x82\x10\x6f\x4a\x93\x4b\x87";
// The hash of 9 B's, followed by a newline. Was generated as follows:
// echo "BBBBBBBBB" > a.zip
// sha256sum a.zip
static constexpr std::string_view kBZipDigest =
"\x94\x1e\x17\x3f\x62\xbc\x04\x50\x6f\xeb\xb5\xe2\x8c\x38\x6c\xb2\x11\x91"
"\xf3\x77\xa7\x2c\x11\x92\xe0\x25\xb0\xe5\xc7\x70\x3b\x23";
};
IN_PROC_BROWSER_TEST_F(DownloadProtectionServiceBrowserTest, VerifyZipHash) {
embedded_test_server()->ServeFilesFromDirectory(GetTestDataDirectory());
ASSERT_TRUE(embedded_test_server()->Start());
WebUIInfoSingleton::GetInstance()->AddListenerForTesting();
GURL url = embedded_test_server()->GetURL(
"/safe_browsing/download_protection/zipfile_two_archives.zip");
DownloadAndWait(url);
const std::vector<std::unique_ptr<ClientDownloadRequest>>& requests =
WebUIInfoSingleton::GetInstance()->client_download_requests_sent();
ASSERT_EQ(1u, requests.size());
ASSERT_EQ(2, requests[0]->archived_binary_size());
EXPECT_EQ("a.zip", requests[0]->archived_binary(0).file_path());
EXPECT_EQ(11, requests[0]->archived_binary(0).length());
EXPECT_EQ(kAZipDigest, requests[0]->archived_binary(0).digests().sha256());
EXPECT_EQ("b.zip", requests[0]->archived_binary(1).file_path());
EXPECT_EQ(10, requests[0]->archived_binary(1).length());
EXPECT_EQ(kBZipDigest, requests[0]->archived_binary(1).digests().sha256());
}
IN_PROC_BROWSER_TEST_F(DownloadProtectionServiceBrowserTest, VerifyRarHash) {
embedded_test_server()->ServeFilesFromDirectory(GetTestDataDirectory());
ASSERT_TRUE(embedded_test_server()->Start());
WebUIInfoSingleton::GetInstance()->AddListenerForTesting();
GURL url =
embedded_test_server()->GetURL("/safe_browsing/rar/has_two_archives.rar");
DownloadAndWait(url);
const std::vector<std::unique_ptr<ClientDownloadRequest>>& requests =
WebUIInfoSingleton::GetInstance()->client_download_requests_sent();
ASSERT_EQ(1u, requests.size());
ASSERT_EQ(2, requests[0]->archived_binary_size());
EXPECT_EQ("a.zip", requests[0]->archived_binary(0).file_path());
EXPECT_EQ(kAZipDigest, requests[0]->archived_binary(0).digests().sha256());
EXPECT_EQ("b.zip", requests[0]->archived_binary(1).file_path());
EXPECT_EQ(kBZipDigest, requests[0]->archived_binary(1).digests().sha256());
}
IN_PROC_BROWSER_TEST_F(DownloadProtectionServiceBrowserTest,
MultipartRarInspection) {
embedded_test_server()->ServeFilesFromDirectory(GetTestDataDirectory());
ASSERT_TRUE(embedded_test_server()->Start());
WebUIInfoSingleton::GetInstance()->AddListenerForTesting();
GURL url = embedded_test_server()->GetURL(
"/safe_browsing/rar/multipart.part0001.rar");
DownloadAndWait(url);
const std::vector<std::unique_ptr<ClientDownloadRequest>>& requests =
WebUIInfoSingleton::GetInstance()->client_download_requests_sent();
ASSERT_EQ(1u, requests.size());
ASSERT_EQ(1, requests[0]->archived_binary_size());
EXPECT_EQ("random.exe", requests[0]->archived_binary(0).file_path());
}
IN_PROC_BROWSER_TEST_F(DownloadProtectionServiceBrowserTest,
MultipartRarInspectionSecondPart) {
embedded_test_server()->ServeFilesFromDirectory(GetTestDataDirectory());
ASSERT_TRUE(embedded_test_server()->Start());
WebUIInfoSingleton::GetInstance()->AddListenerForTesting();
GURL url = embedded_test_server()->GetURL(
"/safe_browsing/rar/multipart.part0002.rar");
DownloadAndWait(url);
const std::vector<std::unique_ptr<ClientDownloadRequest>>& requests =
WebUIInfoSingleton::GetInstance()->client_download_requests_sent();
ASSERT_EQ(1u, requests.size());
ASSERT_EQ(1, requests[0]->archived_binary_size());
EXPECT_EQ("random.exe", requests[0]->archived_binary(0).file_path());
}
} // namespace safe_browsing
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