diff --git a/server/socket-handlers/general-socket-handler.js b/server/socket-handlers/general-socket-handler.js
index 50dcd946e..0c11de295 100644
--- a/server/socket-handlers/general-socket-handler.js
+++ b/server/socket-handlers/general-socket-handler.js
@@ -91,6 +91,18 @@ module.exports.generalSocketHandler = (socket, server) => {
     });
 
     socket.on("getPushExample", (language, callback) => {
+        try {
+            checkLogin(socket);
+            if (!/^[a-z-]+$/.test(language)) {
+                throw new Error("Invalid language");
+            }
+        } catch (e) {
+            callback({
+                ok: false,
+                msg: e.message,
+            });
+            return;
+        }
 
         try {
             let dir = path.join("./extra/push-examples", language);