diff --git a/dto/src/responses/auth.ts b/dto/src/responses/auth.ts
index 418223d..46e5257 100644
--- a/dto/src/responses/auth.ts
+++ b/dto/src/responses/auth.ts
@@ -1,4 +1,4 @@
-import { BaseResponse, SuccessResponse } from './base';
+import { SuccessResponse } from './base';
 import { IsBase32, IsJWT, IsNotEmpty } from 'class-validator';
 
 export type TfaRequiredResponse = SuccessResponse;
@@ -8,17 +8,13 @@ export type TfaCompletedResponse = SuccessResponse;
 export type SignupResponse = SuccessResponse;
 export type RefreshResponse = LoginResponse;
 
-export class LoginResponse extends BaseResponse {
-	statusCode: 200;
-
+export class LoginResponse extends SuccessResponse {
 	@IsNotEmpty()
 	@IsJWT()
 	jwt: string;
 }
 
-export class RequestTotpTfaResponse extends BaseResponse {
-	statusCode: 200;
-
+export class RequestTotpTfaResponse extends SuccessResponse {
 	@IsNotEmpty()
 	qrCode: string;
 
diff --git a/dto/src/responses/base.ts b/dto/src/responses/base.ts
index 583eed3..48ec026 100644
--- a/dto/src/responses/base.ts
+++ b/dto/src/responses/base.ts
@@ -1,12 +1,20 @@
 export class BaseResponse {
+	constructor(statusCode: number) {
+		this.statusCode = statusCode;
+	}
+
 	statusCode: number;
 }
 
 export class SuccessResponse extends BaseResponse {
-	statusCode: 200;
+	constructor() {
+		super(200);
+	}
+
+	declare statusCode: 200;
 }
 
 export class ErrorResponse extends BaseResponse {
-	statusCode: 400 | 401 | 403;
+	declare statusCode: 400 | 401 | 403;
 	message?: string;
 }
diff --git a/dto/src/responses/fs.ts b/dto/src/responses/fs.ts
index e4cf40f..cfa7f70 100644
--- a/dto/src/responses/fs.ts
+++ b/dto/src/responses/fs.ts
@@ -1,21 +1,17 @@
-import { BaseResponse, SuccessResponse } from './base';
+import { SuccessResponse } from './base';
 import { IsBoolean, IsInt, IsNotEmpty, Min } from 'class-validator';
 
 export type UploadFileResponse = SuccessResponse;
 export type DeleteResponse = SuccessResponse;
 export type CreateFileResponse = CreateFolderResponse;
 
-export class GetRootResponse extends BaseResponse {
-	statusCode: 200;
-
+export class GetRootResponse extends SuccessResponse {
 	@IsInt()
 	@Min(1)
 	rootId: number;
 }
 
-export class GetNodeResponse extends BaseResponse {
-	statusCode: 200;
-
+export class GetNodeResponse extends SuccessResponse {
 	@IsInt()
 	@Min(1)
 	id: number;
@@ -28,21 +24,19 @@ export class GetNodeResponse extends BaseResponse {
 
 	parent: number | null;
 
+	@IsInt({ each: true })
+	@Min(1, { each: true })
 	children?: number[];
 
 	size?: number;
 }
 
-export class GetPathResponse extends BaseResponse {
-	statusCode: 200;
-
+export class GetPathResponse extends SuccessResponse {
 	@IsNotEmpty()
 	path: string;
 }
 
-export class CreateFolderResponse extends BaseResponse {
-	statusCode: 200;
-
+export class CreateFolderResponse extends SuccessResponse {
 	@IsInt()
 	@Min(1)
 	id: number;
diff --git a/dto/tsconfig.json b/dto/tsconfig.json
index 7fe4cb9..eedea79 100644
--- a/dto/tsconfig.json
+++ b/dto/tsconfig.json
@@ -11,7 +11,8 @@
 		"outDir": "./dist",
 		"baseUrl": "./src",
 		"incremental": true,
-		"skipLibCheck": true
+		"skipLibCheck": true,
+		"strictPropertyInitialization": false
 	},
 	"exclude": ["node_modules", "dist"]
 }
diff --git a/frontend/src/api/auth.ts b/frontend/src/api/auth.ts
index 8453e62..aed3adb 100644
--- a/frontend/src/api/auth.ts
+++ b/frontend/src/api/auth.ts
@@ -27,4 +27,4 @@ export const auth_signup = (
 export const refresh_token = (
 	token: string
 ): Promise<Responses.Auth.RefreshResponse | Responses.ErrorResponse> =>
-	post_token('/api/auth/refresh', '', token);
+	post_token('/api/auth/refresh', {}, token);
diff --git a/frontend/src/api/base.ts b/frontend/src/api/base.ts
index 406d9bb..180a095 100644
--- a/frontend/src/api/base.ts
+++ b/frontend/src/api/base.ts
@@ -1,5 +1,7 @@
 import axios from 'axios';
 import { Requests, Responses } from 'dto';
+export { Requests, Responses };
+import { validateSync } from 'class-validator';
 
 export const post = <T extends Requests.BaseRequest>(url: string, data: T) =>
 	axios
@@ -9,12 +11,17 @@ export const post = <T extends Requests.BaseRequest>(url: string, data: T) =>
 		.then((res) => res.data)
 		.catch((err) => err.response.data);
 
-export const post_token = <T extends Requests.BaseRequest>(
+export function post_token<T extends Requests.BaseRequest>(
 	url: string,
 	data: T,
 	token: string
-) =>
-	axios
+) {
+	const errors = validateSync(data);
+	if (errors.length > 0) {
+		console.error('Validation failed, errors: ', errors);
+		throw new Error('Validation failed');
+	}
+	return axios
 		.post(url, data, {
 			headers: {
 				Authorization: 'Bearer ' + token,
@@ -23,6 +30,7 @@ export const post_token = <T extends Requests.BaseRequest>(
 		})
 		.then((res) => res.data)
 		.catch((err) => err.response.data);
+}
 
 export const post_token_form = (
 	url: string,
diff --git a/frontend/src/views/SetTokenView.vue b/frontend/src/views/SetTokenView.vue
index e737e33..d15660e 100644
--- a/frontend/src/views/SetTokenView.vue
+++ b/frontend/src/views/SetTokenView.vue
@@ -13,7 +13,7 @@ router.replace({ path: '/' });
 </script>
 
 <template>
-	<router-link to="home">Click here to go home</router-link>
+	<router-link to="/">Click here to go home</router-link>
 </template>
 
 <style scoped></style>
diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index 9772821..e47981e 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -11,6 +11,9 @@
     "forceConsistentCasingInFileNames": true,
     "useDefineForClassFields": true,
     "sourceMap": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "strictPropertyInitialization": false,
     "baseUrl": ".",
     "types": [
       "webpack-env"
diff --git a/tsconfig.json b/tsconfig.json
index 71e4661..631555b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,7 +12,8 @@
 		"baseUrl": "./",
 		"incremental": true,
 		"skipLibCheck": true,
-		"resolveJsonModule": true
+		"resolveJsonModule": true,
+		"strictPropertyInitialization": false
 	},
 	"exclude": ["node_modules", "dist", "test", "**/*spec.ts", "frontend"]
 }