fix: don't accept ascii seq(0x1B)

this can mess up terminals of others
won't really affect the server as we using ftxui
and it seems to not affect the output somehow

2 files changed, 5 insertions, 1 deletions

diff --git a/src/session.cpp b/src/session.cpp
index 2faab20..be1e3cd 100644
--- a/src/session.cpp
+++ b/src/session.cpp
@@ -1,9 +1,9 @@
-#include "session.hpp"
 #include "chatManager.hpp"
 #include "commandHandler.hpp"
 #include "format.hpp"
 #include "log.hpp"
 #include "server.hpp"
+#include "session.hpp"
 #include "sessionManager.hpp"
 #include <algorithm>
 #include <arpa/inet.h>
@@ -101,6 +101,8 @@ void CSession::SRecvData::sanitize() {
 	if (!data.empty() && data.back() == '\n')
 		data.pop_back();
 
+	data.erase(std::remove(data.begin(), data.end(), asciiEscape), data.end()); // don't accept ASCII code, might mess up terminal
+
 	if (const auto start = data.find_first_not_of(" \t\r\n"); start != std::string::npos) {
 		const auto end = data.find_last_not_of(" \t\r\n");
 		data		   = data.substr(start, end - start + 1);
diff --git a/src/session.hpp b/src/session.hpp
index 9b4a970..263dcb6 100644
--- a/src/session.hpp
+++ b/src/session.hpp
@@ -21,6 +21,8 @@ class CSession {
 
 		bool isEmpty() const;
 		void sanitize();
+
+		static constexpr char asciiEscape = 0x1B; // 
 	};
 
 	const std::string &getName() const;