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cef/tests/ceftests/download_unittest.cc

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// Copyright (c) 2013 The Chromium Embedded Framework 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 <algorithm>
#include <memory>
#include "include/base/cef_callback.h"
#include "include/base/cef_callback_helpers.h"
#include "include/cef_scheme.h"
#include "include/wrapper/cef_closure_task.h"
#include "include/wrapper/cef_scoped_temp_dir.h"
#include "tests/ceftests/test_handler.h"
#include "tests/ceftests/test_util.h"
#include "tests/gtest/include/gtest/gtest.h"
#include "tests/shared/browser/file_util.h"
namespace {
const char kTestDomain[] = "test-download.com";
const char kTestStartUrl[] = "https://test-download.com/test.html";
const char kTestDownloadUrl[] = "https://test-download.com/download.txt";
const char kTestNavUrl[] = "https://test-download-nav.com/nav.html";
const char kTestFileName[] = "download_test.txt";
const char kTestContentDisposition[] =
"attachment; filename=\"download_test.txt\"";
const char kTestMimeType[] = "text/plain";
const char kTestContent[] = "Download test text";
using DelayCallback = base::OnceCallback<void(base::OnceClosure /*callback*/)>;
class DownloadSchemeHandler : public CefResourceHandler {
public:
DownloadSchemeHandler(DelayCallback delay_callback,
TrackCallback* got_download_request)
: delay_callback_(std::move(delay_callback)),
got_download_request_(got_download_request) {}
bool Open(CefRefPtr<CefRequest> request,
bool& handle_request,
CefRefPtr<CefCallback> callback) override {
EXPECT_FALSE(CefCurrentlyOn(TID_UI) || CefCurrentlyOn(TID_IO));
std::string url = request->GetURL();
if (url == kTestDownloadUrl) {
got_download_request_->yes();
content_ = kTestContent;
mime_type_ = kTestMimeType;
content_disposition_ = kTestContentDisposition;
should_delay_ = true;
} else {
EXPECT_TRUE(IgnoreURL(url)) << url;
// Cancel immediately.
handle_request = true;
return false;
}
// Continue immediately.
handle_request = true;
return true;
}
void GetResponseHeaders(CefRefPtr<CefResponse> response,
int64_t& response_length,
CefString& redirectUrl) override {
response_length = content_.size();
response->SetStatus(200);
response->SetMimeType(mime_type_);
if (!content_disposition_.empty()) {
CefResponse::HeaderMap headerMap;
response->GetHeaderMap(headerMap);
headerMap.insert(
std::make_pair("Content-Disposition", content_disposition_));
response->SetHeaderMap(headerMap);
}
}
bool Read(void* data_out,
int bytes_to_read,
int& bytes_read,
CefRefPtr<CefResourceReadCallback> callback) override {
EXPECT_FALSE(CefCurrentlyOn(TID_UI) || CefCurrentlyOn(TID_IO));
bytes_read = 0;
if (should_delay_ && !delay_callback_.is_null()) {
// Delay the download response a single time.
std::move(delay_callback_)
.Run(base::BindOnce(&DownloadSchemeHandler::ContinueRead, this,
data_out, bytes_to_read, callback));
return true;
}
return DoRead(data_out, bytes_to_read, bytes_read);
}
void Cancel() override {}
private:
void ContinueRead(void* data_out,
int bytes_to_read,
CefRefPtr<CefResourceReadCallback> callback) {
int bytes_read = 0;
DoRead(data_out, bytes_to_read, bytes_read);
callback->Continue(bytes_read);
}
bool DoRead(void* data_out, int bytes_to_read, int& bytes_read) {
bool has_data = false;
size_t size = content_.size();
if (offset_ < size) {
int transfer_size =
std::min(bytes_to_read, static_cast<int>(size - offset_));
memcpy(data_out, content_.c_str() + offset_, transfer_size);
offset_ += transfer_size;
bytes_read = transfer_size;
has_data = true;
}
return has_data;
}
DelayCallback delay_callback_;
TrackCallback* got_download_request_;
bool should_delay_ = false;
std::string content_;
std::string mime_type_;
std::string content_disposition_;
size_t offset_ = 0;
CefRefPtr<CefResourceReadCallback> read_callback_;
IMPLEMENT_REFCOUNTING(DownloadSchemeHandler);
DISALLOW_COPY_AND_ASSIGN(DownloadSchemeHandler);
};
using DelayCallbackVendor = base::RepeatingCallback<DelayCallback(void)>;
class DownloadSchemeHandlerFactory : public CefSchemeHandlerFactory {
public:
DownloadSchemeHandlerFactory(const DelayCallbackVendor& delay_callback_vendor,
TrackCallback* got_download_request)
: delay_callback_vendor_(delay_callback_vendor),
got_download_request_(got_download_request) {}
CefRefPtr<CefResourceHandler> Create(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
const CefString& scheme_name,
CefRefPtr<CefRequest> request) override {
return new DownloadSchemeHandler(delay_callback_vendor_.is_null()
? base::NullCallback()
: delay_callback_vendor_.Run(),
got_download_request_);
}
private:
DelayCallbackVendor delay_callback_vendor_;
TrackCallback* got_download_request_;
IMPLEMENT_REFCOUNTING(DownloadSchemeHandlerFactory);
DISALLOW_COPY_AND_ASSIGN(DownloadSchemeHandlerFactory);
};
class DownloadTestHandler : public TestHandler {
public:
enum TestMode {
PROGRAMMATIC,
NAVIGATED,
PENDING,
CLICKED,
CLICKED_INVALID,
CLICKED_BLOCKED,
};
DownloadTestHandler(TestMode test_mode,
TestRequestContextMode rc_mode,
const std::string& rc_cache_path)
: test_mode_(test_mode),
rc_mode_(rc_mode),
rc_cache_path_(rc_cache_path) {}
bool is_clicked() const {
return test_mode_ == CLICKED || test_mode_ == CLICKED_INVALID ||
test_mode_ == CLICKED_BLOCKED;
}
bool is_clicked_invalid() const { return test_mode_ == CLICKED_INVALID; }
bool is_clicked_and_downloaded() const { return test_mode_ == CLICKED; }
bool is_downloaded() const {
return test_mode_ == PROGRAMMATIC || test_mode_ == NAVIGATED ||
is_clicked_and_downloaded();
}
void RunTest() override {
if (!is_clicked() || is_clicked_and_downloaded()) {
// Create a new temporary directory.
EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
test_path_ =
client::file_util::JoinPath(temp_dir_.GetPath(), kTestFileName);
}
CreateTestRequestContext(
rc_mode_, rc_cache_path_,
base::BindOnce(&DownloadTestHandler::RunTestContinue, this));
// Time out the test after a reasonable period of time.
SetTestTimeout();
}
void RunTestContinue(CefRefPtr<CefRequestContext> request_context) {
EXPECT_UI_THREAD();
DelayCallbackVendor delay_callback_vendor;
if (test_mode_ == NAVIGATED || test_mode_ == PENDING) {
delay_callback_vendor = base::BindRepeating(
[](CefRefPtr<DownloadTestHandler> self) {
return base::BindOnce(&DownloadTestHandler::OnDelayCallback, self);
},
CefRefPtr<DownloadTestHandler>(this));
}
CefRefPtr<CefSchemeHandlerFactory> scheme_factory =
new DownloadSchemeHandlerFactory(delay_callback_vendor,
&got_download_request_);
if (request_context) {
request_context->RegisterSchemeHandlerFactory("https", kTestDomain,
scheme_factory);
} else {
CefRegisterSchemeHandlerFactory("https", kTestDomain, scheme_factory);
}
if (test_mode_ == NAVIGATED) {
// Add the resource that we'll navigate to.
AddResource(kTestNavUrl, "<html><body>Navigated</body></html>",
"text/html");
}
if (is_clicked()) {
if (test_mode_ == CLICKED || test_mode_ == CLICKED_BLOCKED) {
download_url_ = kTestDownloadUrl;
} else if (test_mode_ == CLICKED_INVALID) {
download_url_ = "invalid:foo@example.com";
} else {
EXPECT_TRUE(false); // Not reached.
}
AddResource(kTestStartUrl,
"<html><body><a href=\"" + download_url_ +
"\">CLICK ME</a></body></html>",
"text/html");
} else {
download_url_ = kTestStartUrl;
AddResource(kTestStartUrl, "<html><body>Download Test</body></html>",
"text/html");
}
// Create the browser
CreateBrowser(kTestStartUrl, request_context);
}
void OnLoadEnd(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
int httpStatusCode) override {
const std::string& url = frame->GetURL().ToString();
if (url == kTestNavUrl) {
got_nav_load_.yes();
ContinueNavigatedIfReady();
return;
}
if (is_clicked()) {
// Begin the download by clicking a link.
// ALT key will trigger download of custom protocol links.
SendClick(browser,
test_mode_ == CLICKED_INVALID ? EVENTFLAG_ALT_DOWN : 0);
if (
#if !defined(DISABLE_ALLOY_BOOTSTRAP)
IsChromeBootstrap() &&
#endif
is_clicked_invalid()) {
// Destroy the test after a bit because there will be no further
// callbacks.
CefPostDelayedTask(
TID_UI, base::BindOnce(&DownloadTestHandler::DestroyTest, this),
200);
}
} else {
// Begin the download progammatically.
browser->GetHost()->StartDownload(kTestDownloadUrl);
}
}
// Callback from the scheme handler when the download request is delayed.
void OnDelayCallback(base::OnceClosure callback) {
if (!CefCurrentlyOn(TID_UI)) {
CefPostTask(TID_UI, base::BindOnce(&DownloadTestHandler::OnDelayCallback,
this, std::move(callback)));
return;
}
got_delay_callback_.yes();
if (test_mode_ == NAVIGATED) {
delay_callback_ = std::move(callback);
ContinueNavigatedIfReady();
} else if (test_mode_ == PENDING) {
ContinuePendingIfReady();
} else {
EXPECT_TRUE(false); // Not reached.
}
}
void ContinueNavigatedIfReady() {
EXPECT_EQ(test_mode_, NAVIGATED);
if (got_delay_callback_ && got_nav_load_) {
EXPECT_FALSE(delay_callback_.is_null());
std::move(delay_callback_).Run();
}
}
void ContinuePendingIfReady() {
EXPECT_EQ(test_mode_, PENDING);
if (got_delay_callback_ && got_on_before_download_ &&
got_on_download_updated_) {
// Destroy the test without waiting for the download to complete.
DestroyTest();
}
}
bool CanDownload(CefRefPtr<CefBrowser> browser,
const CefString& url,
const CefString& request_method) override {
EXPECT_TRUE(CefCurrentlyOn(TID_UI));
EXPECT_FALSE(got_can_download_);
EXPECT_FALSE(got_on_before_download_);
EXPECT_TRUE(is_clicked());
got_can_download_.yes();
EXPECT_TRUE(browser->IsSame(GetBrowser()));
EXPECT_STREQ(download_url_.c_str(), url.ToString().c_str());
EXPECT_STREQ("GET", request_method.ToString().c_str());
if (is_clicked() && !is_clicked_and_downloaded()) {
// Destroy the test after a bit because there will be no further
// callbacks.
CefPostDelayedTask(
TID_UI, base::BindOnce(&DownloadTestHandler::DestroyTest, this), 200);
}
return test_mode_ != CLICKED_BLOCKED;
}
bool OnBeforeDownload(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDownloadItem> download_item,
const CefString& suggested_name,
CefRefPtr<CefBeforeDownloadCallback> callback) override {
EXPECT_TRUE(CefCurrentlyOn(TID_UI));
EXPECT_FALSE(got_on_before_download_);
if (is_clicked()) {
EXPECT_TRUE(got_can_download_);
} else {
EXPECT_FALSE(got_can_download_);
}
got_on_before_download_.yes();
EXPECT_TRUE(browser->IsSame(GetBrowser()));
EXPECT_STREQ(kTestFileName, suggested_name.ToString().c_str());
EXPECT_TRUE(download_item.get());
EXPECT_TRUE(callback.get());
download_id_ = download_item->GetId();
EXPECT_LT(0U, download_id_);
EXPECT_TRUE(download_item->IsValid());
EXPECT_TRUE(download_item->IsInProgress());
EXPECT_FALSE(download_item->IsComplete());
EXPECT_FALSE(download_item->IsCanceled());
EXPECT_FALSE(download_item->IsInterrupted());
EXPECT_EQ(CEF_DOWNLOAD_INTERRUPT_REASON_NONE,
download_item->GetInterruptReason());
EXPECT_EQ(static_cast<int64_t>(sizeof(kTestContent) - 1),
download_item->GetTotalBytes());
EXPECT_EQ(0UL, download_item->GetFullPath().length());
EXPECT_STREQ(kTestDownloadUrl, download_item->GetURL().ToString().c_str());
EXPECT_EQ(0UL, download_item->GetSuggestedFileName().length());
EXPECT_STREQ(kTestContentDisposition,
download_item->GetContentDisposition().ToString().c_str());
EXPECT_STREQ(kTestMimeType,
download_item->GetMimeType().ToString().c_str());
callback->Continue(test_path_, false);
if (test_mode_ == NAVIGATED) {
CefRefPtr<CefFrame> main_frame = browser->GetMainFrame();
EXPECT_TRUE(main_frame->IsMain());
main_frame->LoadURL(kTestNavUrl);
} else if (test_mode_ == PENDING) {
ContinuePendingIfReady();
}
return true;
}
void OnDownloadUpdated(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDownloadItem> download_item,
CefRefPtr<CefDownloadItemCallback> callback) override {
EXPECT_TRUE(CefCurrentlyOn(TID_UI));
if (destroyed_) {
return;
}
got_on_download_updated_.yes();
EXPECT_TRUE(browser->IsSame(GetBrowser()));
EXPECT_TRUE(download_item.get());
EXPECT_TRUE(callback.get());
if (got_on_before_download_) {
EXPECT_EQ(download_id_, download_item->GetId());
}
EXPECT_LE(0LL, download_item->GetCurrentSpeed());
EXPECT_LE(0, download_item->GetPercentComplete());
EXPECT_TRUE(download_item->IsValid());
EXPECT_FALSE(download_item->IsCanceled());
EXPECT_FALSE(download_item->IsInterrupted());
EXPECT_EQ(CEF_DOWNLOAD_INTERRUPT_REASON_NONE,
download_item->GetInterruptReason());
EXPECT_STREQ(kTestDownloadUrl, download_item->GetURL().ToString().c_str());
EXPECT_STREQ(kTestContentDisposition,
download_item->GetContentDisposition().ToString().c_str());
EXPECT_STREQ(kTestMimeType,
download_item->GetMimeType().ToString().c_str());
std::string full_path = download_item->GetFullPath();
if (!full_path.empty()) {
got_full_path_.yes();
EXPECT_STREQ(test_path_.c_str(), full_path.c_str());
}
if (download_item->IsComplete()) {
got_download_complete_.yes();
EXPECT_FALSE(download_item->IsInProgress());
EXPECT_EQ(100, download_item->GetPercentComplete());
EXPECT_EQ(static_cast<int64_t>(sizeof(kTestContent) - 1),
download_item->GetReceivedBytes());
EXPECT_EQ(static_cast<int64_t>(sizeof(kTestContent) - 1),
download_item->GetTotalBytes());
DestroyTest();
} else {
EXPECT_TRUE(download_item->IsInProgress());
EXPECT_LE(0LL, download_item->GetReceivedBytes());
}
if (test_mode_ == PENDING) {
download_item_callback_ = callback;
ContinuePendingIfReady();
}
}
void VerifyResultsOnFileThread() {
EXPECT_TRUE(CefCurrentlyOn(TID_FILE_USER_VISIBLE));
if (test_mode_ != PENDING) {
// Verify the file contents.
std::string contents;
EXPECT_TRUE(client::file_util::ReadFileToString(test_path_, &contents));
EXPECT_STREQ(kTestContent, contents.c_str());
}
EXPECT_TRUE(temp_dir_.Delete());
EXPECT_TRUE(temp_dir_.IsEmpty());
CefPostTask(TID_UI,
base::BindOnce(&DownloadTestHandler::DestroyTest, this));
}
void DestroyTest() override {
if (!verified_results_ && !temp_dir_.IsEmpty()) {
// Avoid an endless failure loop.
verified_results_ = true;
// Clean up temp_dir_ on the FILE thread before destroying the test.
CefPostTask(TID_FILE_USER_VISIBLE,
base::BindOnce(
&DownloadTestHandler::VerifyResultsOnFileThread, this));
return;
}
destroyed_ = true;
if (download_item_callback_) {
// Cancel the pending download to avoid leaking request objects.
download_item_callback_->Cancel();
download_item_callback_ = nullptr;
}
if (request_context_) {
request_context_->RegisterSchemeHandlerFactory("https", kTestDomain,
nullptr);
request_context_ = nullptr;
} else {
CefRegisterSchemeHandlerFactory("https", kTestDomain, nullptr);
}
if (is_clicked_invalid()) {
#if !defined(DISABLE_ALLOY_BOOTSTRAP)
if (!IsChromeBootstrap()) {
EXPECT_TRUE(got_can_download_);
} else
#endif
{
// No CanDownload for invalid protocol links.
EXPECT_FALSE(got_can_download_);
}
} else if (is_clicked()) {
EXPECT_TRUE(got_can_download_);
} else {
EXPECT_FALSE(got_can_download_);
}
if (test_mode_ == CLICKED_INVALID) {
// The invalid protocol request is not handled.
EXPECT_FALSE(got_download_request_);
} else {
EXPECT_TRUE(got_download_request_);
}
if (is_clicked() && !is_clicked_and_downloaded()) {
// The download never proceeds.
EXPECT_FALSE(got_on_before_download_);
EXPECT_FALSE(got_on_download_updated_);
} else {
EXPECT_TRUE(got_on_before_download_);
EXPECT_TRUE(got_on_download_updated_);
}
if (test_mode_ == NAVIGATED) {
EXPECT_TRUE(got_nav_load_);
} else {
EXPECT_FALSE(got_nav_load_);
}
if (!is_downloaded()) {
// The download never completes.
EXPECT_FALSE(got_download_complete_);
EXPECT_FALSE(got_full_path_);
} else {
EXPECT_TRUE(got_download_complete_);
EXPECT_TRUE(got_full_path_);
}
TestHandler::DestroyTest();
}
private:
void SendClick(CefRefPtr<CefBrowser> browser, uint32_t modifiers) {
EXPECT_TRUE(is_clicked());
CefMouseEvent mouse_event;
mouse_event.x = 20;
mouse_event.y = 20;
mouse_event.modifiers = modifiers;
SendMouseClickEvent(browser, mouse_event);
}
const TestMode test_mode_;
const TestRequestContextMode rc_mode_;
const std::string rc_cache_path_;
CefRefPtr<CefRequestContext> request_context_;
// Used with NAVIGATED and PENDING test modes.
base::OnceClosure delay_callback_;
// Used with PENDING test mode.
CefRefPtr<CefDownloadItemCallback> download_item_callback_;
std::string download_url_;
CefScopedTempDir temp_dir_;
std::string test_path_;
uint32_t download_id_ = 0;
bool verified_results_ = false;
bool destroyed_ = false;
TrackCallback got_download_request_;
TrackCallback got_can_download_;
TrackCallback got_on_before_download_;
TrackCallback got_on_download_updated_;
TrackCallback got_full_path_;
TrackCallback got_download_complete_;
TrackCallback got_delay_callback_;
TrackCallback got_nav_load_;
IMPLEMENT_REFCOUNTING(DownloadTestHandler);
};
} // namespace
#define DOWNLOAD_TEST_GROUP(test_name, test_mode) \
RC_TEST_GROUP_ALL(DownloadTest, test_name, DownloadTestHandler, test_mode)
// Test a programmatic download.
DOWNLOAD_TEST_GROUP(Programmatic, PROGRAMMATIC)
// Test a clicked download.
DOWNLOAD_TEST_GROUP(Clicked, CLICKED)
// Test a clicked download where the protocol is invalid and therefore rejected.
// There will be no resulting CefDownloadHandler callbacks.
DOWNLOAD_TEST_GROUP(ClickedInvalid, CLICKED_INVALID)
// Test a clicked download where CanDownload returns false.
// There will be no resulting CefDownloadHandler callbacks.
DOWNLOAD_TEST_GROUP(ClickedBlocked, CLICKED_BLOCKED)
// Test where the download completes after cross-origin navigation.
DOWNLOAD_TEST_GROUP(Navigated, NAVIGATED)
// Test where the download is still pending when the browser is destroyed.
DOWNLOAD_TEST_GROUP(Pending, PENDING)
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