added zod for post requests

pages/api/v1/session/index.ts

@@ -1,12 +1,23 @@
 import type { NextApiRequest, NextApiResponse } from "next";
 import verifyByCredentials from "@/lib/api/verifyByCredentials";
 import createSession from "@/lib/api/controllers/session/createSession";
+import { PostSessionSchema } from "@/lib/shared/schemaValidation";
 
 export default async function session(
   req: NextApiRequest,
   res: NextApiResponse
 ) {
-  const { username, password, sessionName } = req.body;
+  const dataValidation = PostSessionSchema.safeParse(req.body);
+
+  if (!dataValidation.success) {
+    return res.status(400).json({
+      response: `Error: ${
+        dataValidation.error.issues[0].message
+      } [${dataValidation.error.issues[0].path.join(", ")}]`,
+    });
+  }
+
+  const { username, password, sessionName } = dataValidation.data;
 
   const user = await verifyByCredentials({ username, password });