From 16c0b34f73ad2c54defd9e2791bd8c15e27e35e0 Mon Sep 17 00:00:00 2001
From: George Hazan <ghazan@miranda.im>
Date: Wed, 23 Dec 2020 20:21:40 +0300
Subject: Discord: finally fixes #2499 (Discord: Error establishing WebSocket
 connection to gateway.discord.gg)

---
 protocols/Discord/src/gateway.cpp    | 25 +++++++++++++++++++++----
 src/mir_app/src/netlib_websocket.cpp |  5 +----
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/protocols/Discord/src/gateway.cpp b/protocols/Discord/src/gateway.cpp
index 01fefac5db..c65492569d 100644
--- a/protocols/Discord/src/gateway.cpp
+++ b/protocols/Discord/src/gateway.cpp
@@ -45,18 +45,35 @@ bool CDiscordProto::GatewayThreadWorker()
 	NETLIBHTTPHEADER hdrs[] =
 	{
 		{ "Origin", "https://discord.com" },
-		{ 0, 0 }
+		{ 0, 0 },
+		{ 0, 0 },
 	};
 
-	auto *pReply = WebSocket_Connect(m_hGatewayNetlibUser, m_szGateway + "/?encoding=json&v=8", hdrs);
+	CMStringA szCookie(getMStringA("WSCookie"));
+	if (!szCookie.IsEmpty()) {
+		hdrs[1].szName = "Cookie";
+		hdrs[1].szValue = szCookie.GetBuffer();
+	}
+
+	NLHR_PTR pReply(WebSocket_Connect(m_hGatewayNetlibUser, m_szGateway + "/?encoding=json&v=8", hdrs));
 	if (pReply == nullptr) {
 		debugLogA("Gateway connection failed, exiting");
 		return false;
 	}
-	
+
+	if (auto *pszNewCookie = Netlib_GetHeader(pReply, "Set-Cookie")) {
+		char *p = strchr(pszNewCookie, ';');
+		if (p) *p = 0;
+
+		setString("WSCookie", pszNewCookie);
+	}
+
+	if (pReply->resultCode != 101)
+		return false;
+
+	// succeeded!
 	debugLogA("Gateway connection succeeded");
 	m_hGatewayConnection = pReply->nlc;
-	Netlib_FreeHttpRequest(pReply);
 
 	bool bExit = false;
 	int offset = 0;
diff --git a/src/mir_app/src/netlib_websocket.cpp b/src/mir_app/src/netlib_websocket.cpp
index 23b30957dd..a8a36018b4 100644
--- a/src/mir_app/src/netlib_websocket.cpp
+++ b/src/mir_app/src/netlib_websocket.cpp
@@ -65,11 +65,8 @@ MIR_APP_DLL(NETLIBHTTPREQUEST*) WebSocket_Connect(HNETLIBUSER nlu, const char *s
 		return nullptr;
 	}
 
-	if (pReply->resultCode != 101) {
+	if (pReply->resultCode != 101)
 		Netlib_Logf(nlu, "Error establishing WebSocket connection to %s, status %d", tmpHost.c_str(), pReply->resultCode);
-		Netlib_FreeHttpRequest(pReply);
-		return nullptr;
-	}
 
 	return pReply;
 }
-- 
cgit v1.2.3