UI: Add File Integrity Check

UI/data/locale/en-US.ini

@@ -261,6 +261,10 @@ Updater.Running.Title="Program currently active"
 Updater.Running.Text="Outputs are currently active, please shut down any active outputs before attempting to update"
 Updater.NoUpdatesAvailable.Title="No updates available"
 Updater.NoUpdatesAvailable.Text="No updates are currently available"
+Updater.RepairButUpdatesAvailable.Title="Integrity Check Unavailable"
+Updater.RepairButUpdatesAvailable.Text="Checking file integrity is only possible for the latest version available. Use Help → Check For Updates to verify and update your OBS installation."
+Updater.RepairConfirm.Title="Confirm Integrity Check"
+Updater.RepairConfirm.Text="Starting the integrity check will scan your OBS installation for corruption and redownload broken/modified files. This may take a moment.\n\nDo you wish to proceed?"
 Updater.FailedToLaunch="Failed to launch updater"
 Updater.GameCaptureActive.Title="Game capture active"
 Updater.GameCaptureActive.Text="Game capture hook library is currently in use. Please close any games/programs being captured (or restart Windows) and try again."
@@ -781,6 +785,7 @@ Basic.MainMenu.Help.Logs.UploadCurrentLog="Upload &Current Log File"
 Basic.MainMenu.Help.Logs.UploadLastLog="Upload &Previous Log File"
 Basic.MainMenu.Help.Logs.ViewCurrentLog="&View Current Log"
 Basic.MainMenu.Help.CheckForUpdates="Check For Updates"
+Basic.MainMenu.Help.Repair="Check File Integrity"
 Basic.MainMenu.Help.CrashLogs="Crash &Reports"
 Basic.MainMenu.Help.CrashLogs.ShowLogs="&Show Crash Reports"
 Basic.MainMenu.Help.CrashLogs.UploadLastLog="Upload &Previous Crash Report"

UI/forms/OBSBasic.ui

@@ -532,6 +532,7 @@
     <addaction name="menuLogFiles"/>
     <addaction name="menuCrashLogs"/>
     <addaction name="separator"/>
+    <addaction name="actionRepair"/>
     <addaction name="actionCheckForUpdates"/>
     <addaction name="actionShowAbout"/>
     <addaction name="separator"/>
@@ -1913,6 +1914,11 @@
     <string>Basic.MainMenu.Help.CheckForUpdates</string>
    </property>
   </action>
+  <action name="actionRepair">
+   <property name="text">
+    <string>Basic.MainMenu.Help.Repair</string>
+   </property>
+  </action>
   <action name="actionInteract">
    <property name="text">
     <string>Interact</string>

UI/win-update/win-update.cpp

@@ -511,6 +511,25 @@ int AutoUpdateThread::queryUpdate(bool localManualUpdate, const char *text_utf8)
 	return ret;
 }
 
+bool AutoUpdateThread::queryRepairSlot()
+{
+	QMessageBox::StandardButton res = OBSMessageBox::question(
+		App()->GetMainWindow(), QTStr("Updater.RepairConfirm.Title"),
+		QTStr("Updater.RepairConfirm.Text"),
+		QMessageBox::Yes | QMessageBox::Cancel);
+
+	return res == QMessageBox::Yes;
+}
+
+bool AutoUpdateThread::queryRepair()
+{
+	bool ret = false;
+	QMetaObject::invokeMethod(this, "queryRepairSlot",
+				  Qt::BlockingQueuedConnection,
+				  Q_RETURN_ARG(bool, ret));
+	return ret;
+}
+
 void AutoUpdateThread::run()
 try {
 	long responseCode;
@@ -615,11 +634,15 @@ try {
 	if (!success)
 		throw string("Failed to parse manifest");
 
-	if (!updatesAvailable) {
+	if (!updatesAvailable && !repairMode) {
 		if (manualUpdate)
 			info(QTStr("Updater.NoUpdatesAvailable.Title"),
 			     QTStr("Updater.NoUpdatesAvailable.Text"));
 		return;
+	} else if (updatesAvailable && repairMode) {
+		info(QTStr("Updater.RepairButUpdatesAvailable.Title"),
+		     QTStr("Updater.RepairButUpdatesAvailable.Text"));
+		return;
 	}
 
 	/* ----------------------------------- *
@@ -627,7 +650,7 @@ try {
 
 	int skipUpdateVer = config_get_int(GetGlobalConfig(), "General",
 					   "SkipUpdateVersion");
-	if (!manualUpdate && updateVer == skipUpdateVer)
+	if (!manualUpdate && updateVer == skipUpdateVer && !repairMode)
 		return;
 
 	/* ----------------------------------- *
@@ -639,20 +662,25 @@ try {
 	/* ----------------------------------- *
 	 * query user for update               */
 
-	int queryResult = queryUpdate(manualUpdate, notes.c_str());
+	if (repairMode) {
+		if (!queryRepair())
+			return;
+	} else {
+		int queryResult = queryUpdate(manualUpdate, notes.c_str());
 
-	if (queryResult == OBSUpdate::No) {
-		if (!manualUpdate) {
-			long long t = (long long)time(nullptr);
+		if (queryResult == OBSUpdate::No) {
+			if (!manualUpdate) {
+				long long t = (long long)time(nullptr);
+				config_set_int(GetGlobalConfig(), "General",
+					       "LastUpdateCheck", t);
+			}
+			return;
+
+		} else if (queryResult == OBSUpdate::Skip) {
 			config_set_int(GetGlobalConfig(), "General",
-				       "LastUpdateCheck", t);
+				       "SkipUpdateVersion", updateVer);
+			return;
 		}
-		return;
-
-	} else if (queryResult == OBSUpdate::Skip) {
-		config_set_int(GetGlobalConfig(), "General",
-			       "SkipUpdateVersion", updateVer);
-		return;
 	}
 
 	/* ----------------------------------- *

UI/win-update/win-update.hpp

@@ -7,19 +7,25 @@ class AutoUpdateThread : public QThread {
 	Q_OBJECT
 
 	bool manualUpdate;
+	bool repairMode;
 	bool user_confirmed = false;
 
 	virtual void run() override;
 
 	void info(const QString &title, const QString &text);
 	int queryUpdate(bool manualUpdate, const char *text_utf8);
+	bool queryRepair();
 
 private slots:
 	void infoMsg(const QString &title, const QString &text);
 	int queryUpdateSlot(bool manualUpdate, const QString &text);
+	bool queryRepairSlot();
 
 public:
-	AutoUpdateThread(bool manualUpdate_) : manualUpdate(manualUpdate_) {}
+	AutoUpdateThread(bool manualUpdate_, bool repairMode_ = false)
+		: manualUpdate(manualUpdate_), repairMode(repairMode_)
+	{
+	}
 };
 
 class WhatsNewInfoThread : public QThread {

UI/window-basic-main.cpp

@@ -2025,9 +2025,11 @@ void OBSBasic::OBSInit()
 	delete ui->actionShowCrashLogs;
 	delete ui->actionUploadLastCrashLog;
 	delete ui->menuCrashLogs;
+	delete ui->actionRepair;
 	ui->actionShowCrashLogs = nullptr;
 	ui->actionUploadLastCrashLog = nullptr;
 	ui->menuCrashLogs = nullptr;
+	ui->actionRepair = nullptr;
 #if !defined(__APPLE__)
 	delete ui->actionCheckForUpdates;
 	ui->actionCheckForUpdates = nullptr;
@@ -2041,8 +2043,12 @@ void OBSBasic::OBSInit()
 #endif
 
 #if defined(_WIN32) || defined(__APPLE__)
-	if (App()->IsUpdaterDisabled())
+	if (App()->IsUpdaterDisabled()) {
 		ui->actionCheckForUpdates->setEnabled(false);
+#if defined(_WIN32)
+		ui->actionRepair->setEnabled(false);
+#endif
+	}
 #endif
 
 	OnFirstLoad();
@@ -3666,6 +3672,7 @@ void OBSBasic::CheckForUpdates(bool manualUpdate)
 	trigger_sparkle_update();
 #elif _WIN32
 	ui->actionCheckForUpdates->setEnabled(false);
+	ui->actionRepair->setEnabled(false);
 
 	if (updateCheckThread && updateCheckThread->isRunning())
 		return;
@@ -3680,6 +3687,7 @@ void OBSBasic::CheckForUpdates(bool manualUpdate)
 void OBSBasic::updateCheckFinished()
 {
 	ui->actionCheckForUpdates->setEnabled(true);
+	ui->actionRepair->setEnabled(true);
 }
 
 void OBSBasic::DuplicateSelectedScene()
@@ -6112,6 +6120,20 @@ void OBSBasic::on_actionCheckForUpdates_triggered()
 	CheckForUpdates(true);
 }
 
+void OBSBasic::on_actionRepair_triggered()
+{
+#if defined(_WIN32)
+	ui->actionCheckForUpdates->setEnabled(false);
+	ui->actionRepair->setEnabled(false);
+
+	if (updateCheckThread && updateCheckThread->isRunning())
+		return;
+
+	updateCheckThread.reset(new AutoUpdateThread(false, true));
+	updateCheckThread->start();
+#endif
+}
+
 void OBSBasic::logUploadFinished(const QString &text, const QString &error)
 {
 	ui->menuLogFiles->setEnabled(true);

UI/window-basic-main.hpp

@@ -985,6 +985,7 @@ private slots:
 	void on_actionUploadLastLog_triggered();
 	void on_actionViewCurrentLog_triggered();
 	void on_actionCheckForUpdates_triggered();
+	void on_actionRepair_triggered();
 
 	void on_actionShowCrashLogs_triggered();
 	void on_actionUploadLastCrashLog_triggered();