Server info via http

src/Components/Modules/Download.cpp

@@ -150,6 +150,61 @@ namespace Components
 		}
 	}
 
+	void Download::InfoHandler(mg_connection *nc, int ev, void *ev_data)
+	{
+		// Only handle http requests
+		if (ev != MG_EV_HTTP_REQUEST) return;
+
+		//http_message* message = reinterpret_cast<http_message*>(ev_data);
+
+		Utils::InfoString status = ServerInfo::GetInfo();
+
+		std::map<std::string, json11::Json> info;
+		info["status"] = status.to_json();
+
+		std::vector<json11::Json> players;
+
+		// Build player list
+		for (int i = 0; i < atoi(status.Get("sv_maxclients").data()); ++i) // Maybe choose 18 here? 
+		{
+			std::map<std::string, json11::Json> playerInfo;
+			playerInfo["score"] = 0;
+			playerInfo["ping"] = 0;
+			playerInfo["name"] = "";
+
+			if (Dvar::Var("sv_running").Get<bool>())
+			{
+				if (Game::svs_clients[i].state < 3) continue;
+
+				playerInfo["score"] = Game::SV_GameClientNum_Score(i);
+				playerInfo["ping"] = Game::svs_clients[i].ping;
+				playerInfo["name"] = Game::svs_clients[i].name;
+			}
+			else
+			{
+				// Score and ping are irrelevant
+				const char* namePtr = Game::PartyHost_GetMemberName(reinterpret_cast<Game::PartyData_t*>(0x1081C00), i);
+				if (!namePtr || !namePtr[0]) continue;
+
+				playerInfo["name"] = namePtr;
+			}
+
+			players.push_back(playerInfo);
+		}
+
+		info["players"] = players;
+
+		mg_printf(nc,
+			"HTTP/1.1 200 OK\r\n"
+			"Content-Type: application/json\r\n"
+			"Connection: close\r\n"
+			"Access-Control-Allow-Origin: *\r\n"
+			"\r\n"
+			"%s", json11::Json(info).dump().data());
+
+		nc->flags |= MG_F_SEND_AND_CLOSE;
+	}
+
 	void Download::EventHandler(mg_connection *nc, int ev, void *ev_data)
 	{
 		// Only handle http requests
@@ -194,7 +249,8 @@ namespace Components
 			{
 				mg_connection* nc = mg_bind(&Download::Mgr, Utils::VA("%hu", (Dvar::Var("net_port").Get<int>() & 0xFFFF)), Download::EventHandler);
 
-				// Handle list requests
+				// Handle special requests
+				mg_register_http_endpoint(nc, "/info", Download::InfoHandler);
 				mg_register_http_endpoint(nc, "/list", Download::ListHandler);
 				mg_register_http_endpoint(nc, "/file", Download::FileHandler);
 

src/Components/Modules/Download.hpp

@@ -13,6 +13,7 @@ namespace Components
 		static void EventHandler(mg_connection *nc, int ev, void *ev_data);
 		static void ListHandler(mg_connection *nc, int ev, void *ev_data);
 		static void FileHandler(mg_connection *nc, int ev, void *ev_data);
+		static void InfoHandler(mg_connection *nc, int ev, void *ev_data);
 
 		static bool IsClient(mg_connection *nc);
 		static Game::client_t* GetClient(mg_connection *nc);

src/Components/Modules/ServerInfo.cpp

@@ -100,46 +100,27 @@ namespace Components
 		}
 	}
 
-	ServerInfo::ServerInfo()
+	Utils::InfoString ServerInfo::GetInfo()
 	{
-		ServerInfo::PlayerContainer.CurrentPlayer = 0;
-		ServerInfo::PlayerContainer.PlayerList.clear();
-
-		// Draw IP and hostname on the scoreboard
-		Utils::Hook(0x4FC6EA, ServerInfo::DrawScoreboardStub, HOOK_CALL).Install()->Quick();
-
-		// Ignore native getStatus implementation
-		Utils::Hook::Nop(0x62654E, 6);
-
-		// Add uiscript
-		UIScript::Add("ServerStatus", ServerInfo::ServerStatus);
-
-		// Add uifeeder
-		UIFeeder::Add(13.0f, ServerInfo::GetPlayerCount, ServerInfo::GetPlayerText, ServerInfo::SelectPlayer);
-
-		Network::Handle("getStatus", [] (Network::Address address, std::string data)
-		{
-			bool isInLobby = false;
 		int maxclientCount = *Game::svs_numclients;
 
-			if(!maxclientCount)
+		if (!maxclientCount)
 		{
-				isInLobby = true;
-
 			//maxclientCount = Dvar::Var("sv_maxclients").Get<int>();
 			maxclientCount = Game::Party_GetMaxPlayers(*Game::partyIngame);
 		}
 
 		Utils::InfoString info(Game::Dvar_InfoString_Big(1024));
-			info.Set("challenge", Utils::ParseChallenge(data));
 		info.Set("gamename", "IW4");
 		info.Set("sv_maxclients", Utils::VA("%i", maxclientCount));
 		info.Set("protocol", Utils::VA("%i", PROTOCOL));
 		info.Set("shortversion", VERSION_STR);
-			info.Set("checksum", Utils::VA("%d", Game::Com_Milliseconds()));
 		info.Set("mapname", Dvar::Var("mapname").Get<const char*>());
 		info.Set("isPrivate", (Dvar::Var("g_password").Get<std::string>().size() ? "1" : "0"));
 
+		std::string time = Utils::VA("%u", Game::Com_Milliseconds());
+		info.Set("checksum", Utils::VA("%X", Utils::Cryptography::JenkinsOneAtATime::Compute(time.data(), time.size())));
+
 		// Ensure mapname is set
 		if (info.Get("mapname").empty())
 		{
@@ -164,15 +145,40 @@ namespace Components
 			info.Set("matchtype", "0");
 		}
 
+		return info;
+	}
+
+	ServerInfo::ServerInfo()
+	{
+		ServerInfo::PlayerContainer.CurrentPlayer = 0;
+		ServerInfo::PlayerContainer.PlayerList.clear();
+
+		// Draw IP and hostname on the scoreboard
+		Utils::Hook(0x4FC6EA, ServerInfo::DrawScoreboardStub, HOOK_CALL).Install()->Quick();
+
+		// Ignore native getStatus implementation
+		Utils::Hook::Nop(0x62654E, 6);
+
+		// Add uiscript
+		UIScript::Add("ServerStatus", ServerInfo::ServerStatus);
+
+		// Add uifeeder
+		UIFeeder::Add(13.0f, ServerInfo::GetPlayerCount, ServerInfo::GetPlayerText, ServerInfo::SelectPlayer);
+
+		Network::Handle("getStatus", [] (Network::Address address, std::string data)
+		{
 			std::string playerList;
 
-			for (int i = 0; i < maxclientCount; ++i) // Maybe choose 18 here? 
+			Utils::InfoString info = ServerInfo::GetInfo();
+			info.Set("challenge", Utils::ParseChallenge(data));
+
+			for (int i = 0; i < atoi(info.Get("sv_maxclients").data()); ++i) // Maybe choose 18 here? 
 			{
 				int score = 0;
 				int ping = 0;
 				std::string name;
 
-				if (!isInLobby)
+				if (Dvar::Var("sv_running").Get<bool>())
 				{
 					if (Game::svs_clients[i].state < 3) continue;
 

src/Components/Modules/ServerInfo.hpp

@@ -7,6 +7,8 @@ namespace Components
 		~ServerInfo();
 		const char* GetName() { return "ServerInfo"; };
 
+		static Utils::InfoString GetInfo();
+
 	private:
 		struct Container
 		{

src/Utils/Utils.cpp

@@ -235,6 +235,11 @@ namespace Utils
 		}
 	}
 
+	json11::Json InfoString::to_json()
+	{
+		return this->KeyValuePairs;
+	}
+
 	void InfoString::Parse(std::string buffer)
 	{
 		if (buffer[0] == '\\')

src/Utils/Utils.hpp

@@ -37,6 +37,8 @@ namespace Utils
 
 		void Dump();
 
+		json11::Json to_json();
+
 	private:
 		std::map<std::string, std::string> KeyValuePairs;
 		void Parse(std::string buffer);