From 55b2b04e2ea67078731e932c045622b465e4854a Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Sat, 16 Mar 2024 09:54:07 +0400
Subject: [PATCH] Reapply "Disable system proxy support on Linux"

This reverts commit 202a4064a43578980a21d57288569210a506cac5.
---
 Telegram/SourceFiles/core/sandbox.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/core/sandbox.cpp b/Telegram/SourceFiles/core/sandbox.cpp
index 6feacdb5b..fb145f7f1 100644
--- a/Telegram/SourceFiles/core/sandbox.cpp
+++ b/Telegram/SourceFiles/core/sandbox.cpp
@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtGui/QSessionManager>
 #include <QtGui/QScreen>
 #include <QtGui/qpa/qplatformscreen.h>
+#include <ksandbox.h>
 
 namespace Core {
 namespace {
@@ -517,8 +518,10 @@ void Sandbox::refreshGlobalProxy() {
 		|| proxy.type == MTP::ProxyData::Type::Http) {
 		QNetworkProxy::setApplicationProxy(
 			MTP::ToNetworkProxy(MTP::ToDirectIpProxy(proxy)));
-	} else if (!Core::IsAppLaunched()
-		|| Core::App().settings().proxy().isSystem()) {
+	} else if ((!Core::IsAppLaunched()
+		|| Core::App().settings().proxy().isSystem())
+		// this works stable only in sandboxed environment where it works through portal
+		&& (!Platform::IsLinux() || KSandbox::isInside() || cDebugMode())) {
 		QNetworkProxyFactory::setUseSystemConfiguration(true);
 	} else {
 		QNetworkProxy::setApplicationProxy(QNetworkProxy::NoProxy);