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Merge pull request #6257 from Morph1984/fix-use-after-free-webapplet 

applets/web: Fix a use-after-free when passing in the URL string
This commit is contained in:
bunnei 2021-04-30 14:48:32 -07:00 committed by GitHub
parent aab57b7975 0af182baa2
commit fa3ffff8de
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 28 additions and 25 deletions
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4
src/core/frontend/applets/web_browser.cpp
View File

@ -12,7 +12,7 @@ WebBrowserApplet::~WebBrowserApplet() = default;
DefaultWebBrowserApplet::~DefaultWebBrowserApplet() = default;
void DefaultWebBrowserApplet::OpenLocalWebPage(
std::string_view local_url, std::function<void()> extract_romfs_callback,
const std::string& local_url, std::function<void()> extract_romfs_callback,
std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const {
LOG_WARNING(Service_AM, "(STUBBED) called, backend requested to open local web page at {}",
local_url);
@ -21,7 +21,7 @@ void DefaultWebBrowserApplet::OpenLocalWebPage(
}
void DefaultWebBrowserApplet::OpenExternalWebPage(
std::string_view external_url,
const std::string& external_url,
std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const {
LOG_WARNING(Service_AM, "(STUBBED) called, backend requested to open external web page at {}",
external_url);

9
src/core/frontend/applets/web_browser.h
View File

@ -16,11 +16,11 @@ public:
virtual ~WebBrowserApplet();
virtual void OpenLocalWebPage(
std::string_view local_url, std::function<void()> extract_romfs_callback,
const std::string& local_url, std::function<void()> extract_romfs_callback,
std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const = 0;
virtual void OpenExternalWebPage(
std::string_view external_url,
const std::string& external_url,
std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const = 0;
};
@ -28,11 +28,12 @@ class DefaultWebBrowserApplet final : public WebBrowserApplet {
public:
~DefaultWebBrowserApplet() override;
void OpenLocalWebPage(std::string_view local_url, std::function<void()> extract_romfs_callback,
void OpenLocalWebPage(const std::string& local_url,
std::function<void()> extract_romfs_callback,
std::function<void(Service::AM::Applets::WebExitReason, std::string)>
callback) const override;
void OpenExternalWebPage(std::string_view external_url,
void OpenExternalWebPage(const std::string& external_url,
std::function<void(Service::AM::Applets::WebExitReason, std::string)>
callback) const override;
};

19
src/yuzu/applets/web_browser.cpp
View File

@ -102,8 +102,8 @@ QtNXWebEngineView::~QtNXWebEngineView() {
StopInputThread();
}
void QtNXWebEngineView::LoadLocalWebPage(std::string_view main_url,
std::string_view additional_args) {
void QtNXWebEngineView::LoadLocalWebPage(const std::string& main_url,
const std::string& additional_args) {
is_local = true;
LoadExtractedFonts();
@ -113,12 +113,12 @@ void QtNXWebEngineView::LoadLocalWebPage(std::string_view main_url,
SetLastURL("http://localhost/");
StartInputThread();
load(QUrl(QUrl::fromLocalFile(QString::fromStdString(std::string(main_url))).toString() +
QString::fromStdString(std::string(additional_args))));
load(QUrl(QUrl::fromLocalFile(QString::fromStdString(main_url)).toString() +
QString::fromStdString(additional_args)));
}
void QtNXWebEngineView::LoadExternalWebPage(std::string_view main_url,
std::string_view additional_args) {
void QtNXWebEngineView::LoadExternalWebPage(const std::string& main_url,
const std::string& additional_args) {
is_local = false;
SetUserAgent(UserAgent::WebApplet);
@ -127,8 +127,7 @@ void QtNXWebEngineView::LoadExternalWebPage(std::string_view main_url,
SetLastURL("http://localhost/");
StartInputThread();
load(QUrl(QString::fromStdString(std::string(main_url)) +
QString::fromStdString(std::string(additional_args))));
load(QUrl(QString::fromStdString(main_url) + QString::fromStdString(additional_args)));
}
void QtNXWebEngineView::SetUserAgent(UserAgent user_agent) {
@ -375,7 +374,7 @@ QtWebBrowser::QtWebBrowser(GMainWindow& main_window) {
QtWebBrowser::~QtWebBrowser() = default;
void QtWebBrowser::OpenLocalWebPage(
std::string_view local_url, std::function<void()> extract_romfs_callback_,
const std::string& local_url, std::function<void()> extract_romfs_callback_,
std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback_) const {
extract_romfs_callback = std::move(extract_romfs_callback_);
callback = std::move(callback_);
@ -390,7 +389,7 @@ void QtWebBrowser::OpenLocalWebPage(
}
void QtWebBrowser::OpenExternalWebPage(
std::string_view external_url,
const std::string& external_url,
std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback_) const {
callback = std::move(callback_);

11
src/yuzu/applets/web_browser.h
View File

@ -58,7 +58,7 @@ public:
* @param main_url The url to the file.
* @param additional_args Additional arguments appended to the main url.
*/
void LoadLocalWebPage(std::string_view main_url, std::string_view additional_args);
void LoadLocalWebPage(const std::string& main_url, const std::string& additional_args);
/**
* Loads an external website. Cannot be used to load local urls.
@ -66,7 +66,7 @@ public:
* @param main_url The url to the website.
* @param additional_args Additional arguments appended to the main url.
*/
void LoadExternalWebPage(std::string_view main_url, std::string_view additional_args);
void LoadExternalWebPage(const std::string& main_url, const std::string& additional_args);
/**
* Sets the background color of the web page.
@ -193,16 +193,17 @@ public:
explicit QtWebBrowser(GMainWindow& parent);
~QtWebBrowser() override;
void OpenLocalWebPage(std::string_view local_url, std::function<void()> extract_romfs_callback_,
void OpenLocalWebPage(const std::string& local_url,
std::function<void()> extract_romfs_callback_,
std::function<void(Service::AM::Applets::WebExitReason, std::string)>
callback_) const override;
void OpenExternalWebPage(std::string_view external_url,
void OpenExternalWebPage(const std::string& external_url,
std::function<void(Service::AM::Applets::WebExitReason, std::string)>
callback_) const override;
signals:
void MainWindowOpenWebPage(std::string_view main_url, std::string_view additional_args,
void MainWindowOpenWebPage(const std::string& main_url, const std::string& additional_args,
bool is_local) const;
private:

8
src/yuzu/main.cpp
View File

@ -574,8 +574,8 @@ void GMainWindow::SoftwareKeyboardExit() {
software_keyboard = nullptr;
}
void GMainWindow::WebBrowserOpenWebPage(std::string_view main_url, std::string_view additional_args,
bool is_local) {
void GMainWindow::WebBrowserOpenWebPage(const std::string& main_url,
const std::string& additional_args, bool is_local) {
#ifdef YUZU_USE_QT_WEB_ENGINE
if (disable_web_applet) {
@ -596,13 +596,15 @@ void GMainWindow::WebBrowserOpenWebPage(std::string_view main_url, std::string_v
loading_progress.setRange(0, 3);
loading_progress.setValue(0);
if (is_local && !Common::FS::Exists(std::string(main_url))) {
if (is_local && !Common::FS::Exists(main_url)) {
loading_progress.show();
auto future = QtConcurrent::run([this] { emit WebBrowserExtractOfflineRomFS(); });
while (!future.isFinished()) {
QCoreApplication::processEvents();
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}

2
src/yuzu/main.h
View File

@ -159,7 +159,7 @@ public slots:
void SoftwareKeyboardExit();
void ErrorDisplayDisplayError(QString error_code, QString error_text);
void ProfileSelectorSelectProfile();
void WebBrowserOpenWebPage(std::string_view main_url, std::string_view additional_args,
void WebBrowserOpenWebPage(const std::string& main_url, const std::string& additional_args,
bool is_local);
void OnAppFocusStateChanged(Qt::ApplicationState state);