Validate incoming parameters (#1371)

## Description:

Validate incoming parameters.

https://github.com/openfrontio/OpenFrontIO/security/code-scanning/17

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

src/server/Master.ts

@@ -5,7 +5,7 @@ import http from "http";
 import path from "path";
 import { fileURLToPath } from "url";
 import { getServerConfigFromServer } from "../core/configuration/ConfigLoader";
-import { GameInfo } from "../core/Schemas";
+import { GameInfo, ID } from "../core/Schemas";
 import { generateID } from "../core/Util";
 import { gatekeeper, LimiterType } from "./Gatekeeper";
 import { logger } from "./Logger";
@@ -170,6 +170,11 @@ app.post(
 
     const { gameID, clientID } = req.params;
 
+    if (!ID.safeParse(gameID).success || !ID.safeParse(clientID).success) {
+      res.sendStatus(400);
+      return;
+    }
+
     try {
       const response = await fetch(
         `http://localhost:${config.workerPort(gameID)}/api/kick_player/${gameID}/${clientID}`,