diff --git a/dto/index.ts b/dto/index.ts
index f7b0a1d..22f24bf 100644
--- a/dto/index.ts
+++ b/dto/index.ts
@@ -1,73 +1,2 @@
-//
-// Responses
-//
-
-export interface BaseResponse {
-	statusCode: number;
-}
-
-export interface ErrorResponse extends BaseResponse {
-	statusCode: 400 | 401 | 403;
-	message?: string;
-}
-
-export type RefreshResponse = LoginResponse;
-export interface LoginResponse extends BaseResponse {
-	statusCode: 200;
-	jwt: string;
-}
-
-export interface GetRootResponse extends BaseResponse {
-	statusCode: 200;
-	rootId: number;
-}
-
-export interface GetNodeResponse extends BaseResponse {
-	statusCode: 200;
-	id: number;
-	name: string;
-	isFile: boolean;
-	parent: number | null;
-	children?: number[];
-	size?: number;
-}
-
-export interface GetPathResponse extends BaseResponse {
-	statusCode: 200;
-	path: string;
-}
-
-export type CreateFileResponse = CreateFolderResponse;
-export interface CreateFolderResponse extends BaseResponse {
-	statusCode: 200;
-	id: number;
-}
-
-export type SignupResponse = DeleteResponse;
-export type UploadFileResponse = DeleteResponse;
-export interface DeleteResponse extends BaseResponse {
-	statusCode: 200;
-}
-
-//
-// Requests
-//
-
-// eslint-disable-next-line @typescript-eslint/no-empty-interface
-export interface BaseRequest {}
-
-export type AuthSignUpRequest = AuthLoginRequest;
-export interface AuthLoginRequest extends BaseRequest {
-	username: string;
-	password: string;
-}
-
-export type CreateFileRequest = CreateFolderRequest;
-export interface CreateFolderRequest extends BaseRequest {
-	parent: number;
-	name: string;
-}
-
-export interface DeleteRequest extends BaseRequest {
-	node: number;
-}
+export * as Requests from './requests';
+export * as Responses from './responses';
diff --git a/dto/requests/auth.ts b/dto/requests/auth.ts
new file mode 100644
index 0000000..ea1e6f7
--- /dev/null
+++ b/dto/requests/auth.ts
@@ -0,0 +1,10 @@
+import { BaseRequest } from './base';
+
+export interface AuthSignUpRequest extends BaseRequest {
+	username: string;
+	password: string;
+}
+
+export interface AuthLoginRequest extends AuthSignUpRequest {
+	otp?: string;
+}
diff --git a/dto/requests/base.ts b/dto/requests/base.ts
new file mode 100644
index 0000000..9d6341d
--- /dev/null
+++ b/dto/requests/base.ts
@@ -0,0 +1,2 @@
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface BaseRequest {}
diff --git a/dto/requests/fs.ts b/dto/requests/fs.ts
new file mode 100644
index 0000000..5cd1d06
--- /dev/null
+++ b/dto/requests/fs.ts
@@ -0,0 +1,12 @@
+import { BaseRequest } from './base';
+
+export type CreateFileRequest = CreateFolderRequest;
+
+export interface CreateFolderRequest extends BaseRequest {
+	parent: number;
+	name: string;
+}
+
+export interface DeleteRequest extends BaseRequest {
+	node: number;
+}
diff --git a/dto/requests/index.ts b/dto/requests/index.ts
new file mode 100644
index 0000000..8f26264
--- /dev/null
+++ b/dto/requests/index.ts
@@ -0,0 +1,3 @@
+export * from './base';
+export * as Auth from './auth';
+export * as FS from './fs';
diff --git a/dto/responses/auth.ts b/dto/responses/auth.ts
new file mode 100644
index 0000000..545a065
--- /dev/null
+++ b/dto/responses/auth.ts
@@ -0,0 +1,19 @@
+import { BaseResponse, SuccessResponse } from './base';
+
+export type TfaRequiredResponse = SuccessResponse;
+export type RemoveTfaResponse = SuccessResponse;
+export type RequestEmailTfaResponse = SuccessResponse;
+export type TfaCompletedResponse = SuccessResponse;
+export type SignupResponse = SuccessResponse;
+export type RefreshResponse = LoginResponse;
+
+export interface LoginResponse extends BaseResponse {
+	statusCode: 200;
+	jwt: string;
+}
+
+export interface RequestTotpTfaResponse extends BaseResponse {
+	statusCode: 200;
+	qrCode: string;
+	secret: string;
+}
diff --git a/dto/responses/base.ts b/dto/responses/base.ts
new file mode 100644
index 0000000..ce059ce
--- /dev/null
+++ b/dto/responses/base.ts
@@ -0,0 +1,12 @@
+export interface BaseResponse {
+	statusCode: number;
+}
+
+export interface SuccessResponse extends BaseResponse {
+	statusCode: 200;
+}
+
+export interface ErrorResponse extends BaseResponse {
+	statusCode: 400 | 401 | 403;
+	message?: string;
+}
diff --git a/dto/responses/fs.ts b/dto/responses/fs.ts
new file mode 100644
index 0000000..8432548
--- /dev/null
+++ b/dto/responses/fs.ts
@@ -0,0 +1,30 @@
+import { BaseResponse, SuccessResponse } from './base';
+
+export type UploadFileResponse = SuccessResponse;
+export type DeleteResponse = SuccessResponse;
+export type CreateFileResponse = CreateFolderResponse;
+
+export interface GetRootResponse extends BaseResponse {
+	statusCode: 200;
+	rootId: number;
+}
+
+export interface GetNodeResponse extends BaseResponse {
+	statusCode: 200;
+	id: number;
+	name: string;
+	isFile: boolean;
+	parent: number | null;
+	children?: number[];
+	size?: number;
+}
+
+export interface GetPathResponse extends BaseResponse {
+	statusCode: 200;
+	path: string;
+}
+
+export interface CreateFolderResponse extends BaseResponse {
+	statusCode: 200;
+	id: number;
+}
diff --git a/dto/responses/index.ts b/dto/responses/index.ts
new file mode 100644
index 0000000..8f26264
--- /dev/null
+++ b/dto/responses/index.ts
@@ -0,0 +1,3 @@
+export * from './base';
+export * as Auth from './auth';
+export * as FS from './fs';
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index f5cd54d..60c8577 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -1,7 +1,7 @@
 <script setup async lang="ts">
 import { provide, ref } from 'vue';
 import { useRouter } from 'vue-router';
-import { refresh_token, TokenInjectType, isErrorResponse } from '@/api';
+import { Auth, TokenInjectType, isErrorResponse } from '@/api';
 
 const router = useRouter();
 
@@ -21,7 +21,7 @@ function logout() {
 jwt.value = localStorage.getItem('token');
 if (jwt.value == null) await router.push({ name: 'login' });
 else {
-	const new_token = await refresh_token(jwt.value ?? '');
+	const new_token = await Auth.refresh_token(jwt.value ?? '');
 	if (isErrorResponse(new_token)) logout();
 	else setToken(new_token.jwt);
 }
diff --git a/frontend/src/api.ts b/frontend/src/api.ts
deleted file mode 100644
index 312da29..0000000
--- a/frontend/src/api.ts
+++ /dev/null
@@ -1,221 +0,0 @@
-import axios from 'axios';
-import {
-	AuthLoginRequest,
-	AuthSignUpRequest,
-	BaseRequest,
-	BaseResponse,
-	CreateFileRequest,
-	CreateFileResponse,
-	CreateFolderRequest,
-	CreateFolderResponse,
-	DeleteRequest,
-	DeleteResponse,
-	ErrorResponse,
-	GetNodeResponse,
-	GetPathResponse,
-	GetRootResponse,
-	LoginResponse,
-	RefreshResponse,
-	SignupResponse,
-	UploadFileResponse
-} from '../../dto';
-import jwtDecode, { JwtPayload } from 'jwt-decode';
-import { Ref, UnwrapRef } from 'vue';
-
-export * from '../../dto';
-
-const post = <T extends BaseRequest>(url: string, data: T) =>
-	axios
-		.post(url, data, {
-			headers: { 'Content-type': 'application/json' }
-		})
-		.then((res) => res.data)
-		.catch((err) => err.response.data);
-
-const post_token = <T extends BaseRequest>(
-	url: string,
-	data: T,
-	token: string
-) =>
-	axios
-		.post(url, data, {
-			headers: {
-				Authorization: 'Bearer ' + token,
-				'Content-type': 'application/json'
-			}
-		})
-		.then((res) => res.data)
-		.catch((err) => err.response.data);
-
-const post_token_form = (
-	url: string,
-	data: FormData,
-	token: string,
-	onProgress: (progressEvent: ProgressEvent) => void
-) =>
-	axios
-		.post(url, data, {
-			headers: {
-				Authorization: 'Bearer ' + token,
-				'Content-type': 'multipart/form-data'
-			},
-			onUploadProgress: onProgress
-		})
-		.then((res) => res.data)
-		.catch((err) => err.response.data);
-
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-const get = (url: string) =>
-	axios
-		.get(url)
-		.then((res) => res.data)
-		.catch((err) => err.response.data);
-
-const get_token = (url: string, token: string) =>
-	axios
-		.get(url, {
-			headers: { Authorization: 'Bearer ' + token }
-		})
-		.then((res) => res.data)
-		.catch((err) => err.response.data);
-
-//
-// Api Requests
-//
-
-export const auth_login = (
-	username: string,
-	password: string
-): Promise<LoginResponse | ErrorResponse> =>
-	post<AuthLoginRequest>('/api/auth/login', {
-		username: username,
-		password: password
-	});
-
-export const auth_signup = (
-	username: string,
-	password: string
-): Promise<SignupResponse | ErrorResponse> =>
-	post<AuthSignUpRequest>('/api/auth/signup', {
-		username: username,
-		password: password
-	});
-
-export const get_root = (
-	token: string
-): Promise<GetRootResponse | ErrorResponse> => get_token('/api/fs/root', token);
-
-export const get_node = (
-	token: string,
-	node: number
-): Promise<GetNodeResponse | ErrorResponse> =>
-	get_token(`/api/fs/node/${node}`, token);
-
-export const get_path = (
-	token: string,
-	node: number
-): Promise<GetPathResponse | ErrorResponse> =>
-	get_token(`/api/fs/path/${node}`, token);
-
-export const create_folder = (
-	token: string,
-	parent: number,
-	name: string
-): Promise<CreateFolderResponse | ErrorResponse> =>
-	post_token<CreateFolderRequest>(
-		'/api/fs/createFolder',
-		{
-			parent: parent,
-			name: name
-		},
-		token
-	);
-
-export const create_file = (
-	token: string,
-	parent: number,
-	name: string
-): Promise<CreateFileResponse | ErrorResponse> =>
-	post_token<CreateFileRequest>(
-		'/api/fs/createFile',
-		{
-			parent: parent,
-			name: name
-		},
-		token
-	);
-
-export const delete_node = (
-	token: string,
-	node: number
-): Promise<DeleteResponse | ErrorResponse> =>
-	post_token<DeleteRequest>(
-		'/api/fs/delete',
-		{
-			node: node
-		},
-		token
-	);
-
-export const upload_file = async (
-	token: string,
-	parent: number,
-	file: File,
-	onProgress: (progressEvent: ProgressEvent) => void
-): Promise<UploadFileResponse | ErrorResponse> => {
-	const node = await create_file(token, parent, file.name);
-	if (isErrorResponse(node)) return node;
-
-	const form = new FormData();
-	form.set('file', file);
-	return post_token_form(
-		`/api/fs/upload/${node.id}`,
-		form,
-		token,
-		onProgress
-	);
-};
-
-export function download_file(token: string, id: number) {
-	const form = document.createElement('form');
-	form.method = 'post';
-	form.target = '_blank';
-	form.action = '/api/fs/download';
-	form.innerHTML = `<input type="hidden" name="jwtToken" value="${token}"><input type="hidden" name="id" value="${id}">`;
-	document.body.appendChild(form);
-	form.submit();
-	document.body.removeChild(form);
-}
-
-export const refresh_token = (
-	token: string
-): Promise<RefreshResponse | ErrorResponse> =>
-	post_token('/api/auth/refresh', '', token);
-
-//
-// Utilities
-//
-
-export async function check_token(
-	token: TokenInjectType
-): Promise<string | void> {
-	if (!token.jwt.value) return token.logout();
-	const payload = jwtDecode<JwtPayload>(token.jwt.value);
-	if (!payload) return token.logout();
-	// Expires in more than 60 Minute
-	if (payload.exp && payload.exp > Math.floor(Date.now() / 1000 + 60 * 60))
-		return token.jwt.value;
-	const new_token = await refresh_token(token.jwt.value);
-	if (isErrorResponse(new_token)) return token.logout();
-	token.setToken(new_token.jwt);
-	return new_token.jwt;
-}
-
-export const isErrorResponse = (res: BaseResponse): res is ErrorResponse =>
-	res.statusCode != 200;
-
-export type TokenInjectType = {
-	jwt: Ref<UnwrapRef<string | null>>;
-	setToken: (token: string) => void;
-	logout: () => void;
-};
diff --git a/frontend/src/api/auth.ts b/frontend/src/api/auth.ts
new file mode 100644
index 0000000..8453e62
--- /dev/null
+++ b/frontend/src/api/auth.ts
@@ -0,0 +1,30 @@
+import { Responses, Requests, post, post_token } from './base';
+
+export const auth_login = (
+	username: string,
+	password: string,
+	otp?: string
+): Promise<
+	| Responses.Auth.LoginResponse
+	| Responses.Auth.TfaRequiredResponse
+	| Responses.ErrorResponse
+> =>
+	post<Requests.Auth.AuthLoginRequest>('/api/auth/login', {
+		username: username,
+		password: password,
+		otp: otp
+	});
+
+export const auth_signup = (
+	username: string,
+	password: string
+): Promise<Responses.Auth.SignupResponse | Responses.ErrorResponse> =>
+	post<Requests.Auth.AuthSignUpRequest>('/api/auth/signup', {
+		username: username,
+		password: password
+	});
+
+export const refresh_token = (
+	token: string
+): Promise<Responses.Auth.RefreshResponse | Responses.ErrorResponse> =>
+	post_token('/api/auth/refresh', '', token);
diff --git a/frontend/src/api/base.ts b/frontend/src/api/base.ts
new file mode 100644
index 0000000..26f786c
--- /dev/null
+++ b/frontend/src/api/base.ts
@@ -0,0 +1,63 @@
+import axios from 'axios';
+import { Requests, Responses } from '../../../dto';
+
+export * from '../../../dto';
+
+export const post = <T extends Requests.BaseRequest>(url: string, data: T) =>
+	axios
+		.post(url, data, {
+			headers: { 'Content-type': 'application/json' }
+		})
+		.then((res) => res.data)
+		.catch((err) => err.response.data);
+
+export const post_token = <T extends Requests.BaseRequest>(
+	url: string,
+	data: T,
+	token: string
+) =>
+	axios
+		.post(url, data, {
+			headers: {
+				Authorization: 'Bearer ' + token,
+				'Content-type': 'application/json'
+			}
+		})
+		.then((res) => res.data)
+		.catch((err) => err.response.data);
+
+export const post_token_form = (
+	url: string,
+	data: FormData,
+	token: string,
+	onProgress: (progressEvent: ProgressEvent) => void
+) =>
+	axios
+		.post(url, data, {
+			headers: {
+				Authorization: 'Bearer ' + token,
+				'Content-type': 'multipart/form-data'
+			},
+			onUploadProgress: onProgress
+		})
+		.then((res) => res.data)
+		.catch((err) => err.response.data);
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export const get = (url: string) =>
+	axios
+		.get(url)
+		.then((res) => res.data)
+		.catch((err) => err.response.data);
+
+export const get_token = (url: string, token: string) =>
+	axios
+		.get(url, {
+			headers: { Authorization: 'Bearer ' + token }
+		})
+		.then((res) => res.data)
+		.catch((err) => err.response.data);
+
+export const isErrorResponse = (
+	res: Responses.BaseResponse
+): res is Responses.ErrorResponse => res.statusCode != 200;
diff --git a/frontend/src/api/fs.ts b/frontend/src/api/fs.ts
new file mode 100644
index 0000000..8f989e0
--- /dev/null
+++ b/frontend/src/api/fs.ts
@@ -0,0 +1,95 @@
+import {
+	Responses,
+	Requests,
+	get_token,
+	post_token,
+	post_token_form,
+	isErrorResponse
+} from './base';
+
+export const get_root = (
+	token: string
+): Promise<Responses.FS.GetRootResponse | Responses.ErrorResponse> =>
+	get_token('/api/fs/root', token);
+
+export const get_node = (
+	token: string,
+	node: number
+): Promise<Responses.FS.GetNodeResponse | Responses.ErrorResponse> =>
+	get_token(`/api/fs/node/${node}`, token);
+
+export const get_path = (
+	token: string,
+	node: number
+): Promise<Responses.FS.GetPathResponse | Responses.ErrorResponse> =>
+	get_token(`/api/fs/path/${node}`, token);
+
+export const create_folder = (
+	token: string,
+	parent: number,
+	name: string
+): Promise<Responses.FS.CreateFolderResponse | Responses.ErrorResponse> =>
+	post_token<Requests.FS.CreateFolderRequest>(
+		'/api/fs/createFolder',
+		{
+			parent: parent,
+			name: name
+		},
+		token
+	);
+
+export const create_file = (
+	token: string,
+	parent: number,
+	name: string
+): Promise<Responses.FS.CreateFileResponse | Responses.ErrorResponse> =>
+	post_token<Requests.FS.CreateFileRequest>(
+		'/api/fs/createFile',
+		{
+			parent: parent,
+			name: name
+		},
+		token
+	);
+
+export const delete_node = (
+	token: string,
+	node: number
+): Promise<Responses.FS.DeleteResponse | Responses.ErrorResponse> =>
+	post_token<Requests.FS.DeleteRequest>(
+		'/api/fs/delete',
+		{
+			node: node
+		},
+		token
+	);
+
+export const upload_file = async (
+	token: string,
+	parent: number,
+	file: File,
+	onProgress: (progressEvent: ProgressEvent) => void
+): Promise<Responses.FS.UploadFileResponse | Responses.ErrorResponse> => {
+	const node = await create_file(token, parent, file.name);
+	if (isErrorResponse(node)) return node;
+
+	const form = new FormData();
+	form.set('file', file);
+	return post_token_form(
+		`/api/fs/upload/${node.id}`,
+		form,
+		token,
+		onProgress
+	);
+};
+
+export function download_file(token: string, id: number) {
+	const form = document.createElement('form');
+	form.method = 'post';
+	form.target = '_blank';
+	form.action = '/api/fs/download';
+	form.innerHTML = `<input type="hidden" name="jwtToken" value="${token}"><input type="hidden" name="id" value="${id}">`;
+	document.body.appendChild(form);
+	form.submit();
+	document.body.removeChild(form);
+}
diff --git a/frontend/src/api/index.ts b/frontend/src/api/index.ts
new file mode 100644
index 0000000..bfd428e
--- /dev/null
+++ b/frontend/src/api/index.ts
@@ -0,0 +1,4 @@
+export { Requests, Responses, isErrorResponse } from './base';
+export * as Auth from './auth';
+export * as FS from './fs';
+export * from './util';
diff --git a/frontend/src/api/util.ts b/frontend/src/api/util.ts
new file mode 100644
index 0000000..905d4aa
--- /dev/null
+++ b/frontend/src/api/util.ts
@@ -0,0 +1,25 @@
+import jwtDecode, { JwtPayload } from 'jwt-decode';
+import { Ref, UnwrapRef } from 'vue';
+import { isErrorResponse } from './base';
+import { refresh_token } from './auth';
+
+export async function check_token(
+	token: TokenInjectType
+): Promise<string | void> {
+	if (!token.jwt.value) return token.logout();
+	const payload = jwtDecode<JwtPayload>(token.jwt.value);
+	if (!payload) return token.logout();
+	// Expires in more than 60 Minute
+	if (payload.exp && payload.exp > Math.floor(Date.now() / 1000 + 60 * 60))
+		return token.jwt.value;
+	const new_token = await refresh_token(token.jwt.value);
+	if (isErrorResponse(new_token)) return token.logout();
+	token.setToken(new_token.jwt);
+	return new_token.jwt;
+}
+
+export type TokenInjectType = {
+	jwt: Ref<UnwrapRef<string | null>>;
+	setToken: (token: string) => void;
+	logout: () => void;
+};
diff --git a/frontend/src/components/FSView/DirEntry.vue b/frontend/src/components/FSView/DirEntry.vue
index 837ccb7..548e3f8 100644
--- a/frontend/src/components/FSView/DirEntry.vue
+++ b/frontend/src/components/FSView/DirEntry.vue
@@ -1,16 +1,10 @@
 <script setup lang="ts">
 import { defineEmits, defineProps, inject } from 'vue';
-import {
-	check_token,
-	delete_node,
-	download_file,
-	GetNodeResponse,
-	TokenInjectType
-} from '@/api';
+import { check_token, FS, Responses, TokenInjectType } from '@/api';
 
 const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
 const props = defineProps<{
-	node: GetNodeResponse;
+	node: Responses.FS.GetNodeResponse;
 }>();
 
 const emit = defineEmits<{
@@ -20,14 +14,14 @@ const emit = defineEmits<{
 async function del() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	await delete_node(token, props.node.id);
+	await FS.delete_node(token, props.node.id);
 	emit('reloadNode');
 }
 
 async function download() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	download_file(token, props.node.id);
+	FS.download_file(token, props.node.id);
 }
 </script>
 
diff --git a/frontend/src/components/FSView/DirViewer.vue b/frontend/src/components/FSView/DirViewer.vue
index d2164c9..d77fc14 100644
--- a/frontend/src/components/FSView/DirViewer.vue
+++ b/frontend/src/components/FSView/DirViewer.vue
@@ -1,18 +1,12 @@
 <script setup lang="ts">
 import { defineEmits, defineProps, inject, reactive, ref, watch } from 'vue';
-import {
-	GetNodeResponse,
-	create_folder,
-	get_node,
-	check_token,
-	TokenInjectType
-} from '@/api';
+import { FS, Responses, check_token, TokenInjectType } from '@/api';
 import DirEntry from '@/components/FSView/DirEntry.vue';
 import UploadFileDialog from '@/components/UploadDialog/UploadFileDialog.vue';
 import { NModal } from 'naive-ui';
 
 const props = defineProps<{
-	node: GetNodeResponse;
+	node: Responses.FS.GetNodeResponse;
 }>();
 
 const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
@@ -28,9 +22,9 @@ const uploadDialogShow = ref(false);
 
 const new_folder_name = ref('');
 const files = ref<File[]>([]);
-const nodes = ref<GetNodeResponse[]>([]);
+const nodes = ref<Responses.FS.GetNodeResponse[]>([]);
 const hasParent = ref(false);
-const parentNode = reactive<GetNodeResponse>({
+const parentNode = reactive<Responses.FS.GetNodeResponse>({
 	id: 0,
 	statusCode: 200,
 	isFile: false,
@@ -49,7 +43,10 @@ watch(
 		await Promise.all(
 			to.children?.map(async (child) => {
 				nodes.value.push(
-					(await get_node(token, child)) as GetNodeResponse
+					(await FS.get_node(
+						token,
+						child
+					)) as Responses.FS.GetNodeResponse
 				);
 			}) ?? []
 		);
@@ -60,7 +57,7 @@ watch(
 async function newFolder() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	await create_folder(token, props.node.id, new_folder_name.value);
+	await FS.create_folder(token, props.node.id, new_folder_name.value);
 	emit('reloadNode');
 }
 
diff --git a/frontend/src/components/FSView/FileViewer.vue b/frontend/src/components/FSView/FileViewer.vue
index 61ebcea..9bda494 100644
--- a/frontend/src/components/FSView/FileViewer.vue
+++ b/frontend/src/components/FSView/FileViewer.vue
@@ -1,15 +1,9 @@
 <script setup lang="ts">
 import { defineProps, inject } from 'vue';
-import {
-	check_token,
-	delete_node,
-	download_file,
-	GetNodeResponse,
-	TokenInjectType
-} from '@/api';
+import { check_token, FS, Responses, TokenInjectType } from '@/api';
 
 const props = defineProps<{
-	node: GetNodeResponse;
+	node: Responses.FS.GetNodeResponse;
 }>();
 
 const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
@@ -17,13 +11,13 @@ const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
 async function del() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	await delete_node(token, props.node.id);
+	await FS.delete_node(token, props.node.id);
 }
 
 async function download() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	download_file(token, props.node.id);
+	FS.download_file(token, props.node.id);
 }
 </script>
 
diff --git a/frontend/src/components/UploadDialog/UploadEntry.vue b/frontend/src/components/UploadDialog/UploadEntry.vue
index 3f857b1..392e0e9 100644
--- a/frontend/src/components/UploadDialog/UploadEntry.vue
+++ b/frontend/src/components/UploadDialog/UploadEntry.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { defineProps, defineExpose, ref } from 'vue';
-import { isErrorResponse, upload_file } from '@/api';
+import { isErrorResponse, FS } from '@/api';
 import { NProgress } from 'naive-ui';
 import filesize from 'filesize';
 
@@ -14,7 +14,7 @@ const err = ref('');
 const status = ref('info');
 
 async function startUpload(parent: number, token: string) {
-	const resp = await upload_file(token, parent, props.file, (e) => {
+	const resp = await FS.upload_file(token, parent, props.file, (e) => {
 		progress.value = e.loaded;
 		percentage.value = (e.loaded / e.total) * 100;
 	});
diff --git a/frontend/src/views/FSView.vue b/frontend/src/views/FSView.vue
index 37f8cd8..82f3bf5 100644
--- a/frontend/src/views/FSView.vue
+++ b/frontend/src/views/FSView.vue
@@ -3,10 +3,8 @@ import { onBeforeRouteUpdate, useRoute, useRouter } from 'vue-router';
 import { inject, onBeforeMount, ref } from 'vue';
 import {
 	check_token,
-	get_node,
-	get_path,
-	get_root,
-	GetNodeResponse,
+	FS,
+	Responses,
 	isErrorResponse,
 	TokenInjectType
 } from '@/api';
@@ -18,14 +16,14 @@ const route = useRoute();
 const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
 
 const path = ref('');
-const node = ref<GetNodeResponse | null>(null);
+const node = ref<Responses.FS.GetNodeResponse | null>(null);
 
 async function fetch_node(node_id: number) {
 	const token = await check_token(jwt);
 	if (!token) return;
 	let [p, n] = [
-		await get_path(token, node_id),
-		await get_node(token, node_id)
+		await FS.get_path(token, node_id),
+		await FS.get_node(token, node_id)
 	];
 	if (isErrorResponse(p)) return gotoRoot();
 	if (isErrorResponse(n)) return gotoRoot();
@@ -46,7 +44,7 @@ onBeforeMount(async () => {
 async function gotoRoot() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	const rootRes = await get_root(token);
+	const rootRes = await FS.get_root(token);
 	if (isErrorResponse(rootRes)) return jwt.logout();
 	const root = rootRes.rootId;
 	await router.replace({
diff --git a/frontend/src/views/HomeView.vue b/frontend/src/views/HomeView.vue
index 0e4477e..090de60 100644
--- a/frontend/src/views/HomeView.vue
+++ b/frontend/src/views/HomeView.vue
@@ -3,7 +3,7 @@
 <script setup lang="ts">
 import { onBeforeRouteUpdate, useRouter } from 'vue-router';
 import { inject, onBeforeMount } from 'vue';
-import { check_token, get_root, isErrorResponse, TokenInjectType } from '@/api';
+import { FS, check_token, isErrorResponse, TokenInjectType } from '@/api';
 
 const router = useRouter();
 const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
@@ -11,7 +11,7 @@ const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
 async function start_redirect() {
 	const token = await check_token(jwt);
 	if (!token) return;
-	const root = await get_root(token);
+	const root = await FS.get_root(token);
 	if (isErrorResponse(root)) return jwt.logout();
 	await router.push({
 		name: 'fs',
diff --git a/frontend/src/views/LoginView.vue b/frontend/src/views/LoginView.vue
index 9e9815e..50338d3 100644
--- a/frontend/src/views/LoginView.vue
+++ b/frontend/src/views/LoginView.vue
@@ -1,25 +1,32 @@
 <script setup lang="ts">
 import { ref, inject } from 'vue';
-import { auth_login, get_root, isErrorResponse, TokenInjectType } from '@/api';
+import { Auth, FS, isErrorResponse, TokenInjectType } from '@/api';
 import { useRouter } from 'vue-router';
 
 const router = useRouter();
 
-let username = ref('');
-let password = ref('');
+const username = ref('');
+const password = ref('');
+const otp = ref('');
+
 const error = ref('');
 
+const requestOtp = ref(false);
+
 const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
 
 async function login() {
+	error.value = '';
 	if (username.value === '' || password.value === '') {
 		error.value = 'Email and/or Password missing';
 		return;
 	}
-	const res = await auth_login(username.value, password.value);
+	const res = await (requestOtp.value
+		? Auth.auth_login(username.value, password.value, otp.value)
+		: Auth.auth_login(username.value, password.value));
 	if (isErrorResponse(res)) error.value = 'Login failed: ' + res.message;
-	else {
-		const root = await get_root(res.jwt);
+	else if ('jwt' in res) {
+		const root = await FS.get_root(res.jwt);
 		if (isErrorResponse(root)) {
 			error.value = 'Get root failed: ' + root.message;
 			return;
@@ -29,14 +36,23 @@ async function login() {
 			name: 'fs',
 			params: { node_id: root.rootId }
 		});
+	} else {
+		error.value = '';
+		requestOtp.value = true;
 	}
 }
 </script>
 
 <template>
 	<div v-if="error !== ''" v-text="error"></div>
-	<input type="email" placeholder="Email" v-model="username" />
-	<input type="password" placeholder="Password" v-model="password" />
+	<template v-if="!requestOtp">
+		<input type="email" placeholder="Email" v-model="username" />
+		<input type="password" placeholder="Password" v-model="password" />
+	</template>
+	<template v-else>
+		<div>Please input your 2 factor authentication code</div>
+		<input type="text" placeholder="Code" v-model="otp" />
+	</template>
 	<button @click="login()">Login</button>
 	<router-link to="signup">Signup instead?</router-link>
 </template>
diff --git a/frontend/src/views/SignupView.vue b/frontend/src/views/SignupView.vue
index 481ff0c..438ef63 100644
--- a/frontend/src/views/SignupView.vue
+++ b/frontend/src/views/SignupView.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { ref } from 'vue';
-import { auth_signup, isErrorResponse } from '@/api';
+import { Auth, isErrorResponse } from '@/api';
 
 let username = ref('');
 let password = ref('');
@@ -16,7 +16,7 @@ async function signup() {
 		error.value = "Passwords don't match";
 		return;
 	}
-	const res = await auth_signup(username.value, password.value);
+	const res = await Auth.auth_signup(username.value, password.value);
 	error.value = isErrorResponse(res)
 		? 'Signup failed: ' + res.message
 		: 'Signup successful, please wait till an admin unlocks your account.';
diff --git a/package.json b/package.json
index c8c3861..15f402a 100644
--- a/package.json
+++ b/package.json
@@ -32,12 +32,16 @@
 		"@nestjs/typeorm": "^9.0.0",
 		"argon2": "^0.28.7",
 		"jsonwebtoken": "^8.5.1",
+		"nodemailer": "^6.7.8",
+		"notp": "^2.0.3",
 		"passport": "^0.6.0",
 		"passport-jwt": "^4.0.0",
 		"passport-local": "^1.0.0",
+		"qrcode": "^1.5.1",
 		"reflect-metadata": "^0.1.13",
 		"rxjs": "^7.5.6",
 		"sqlite3": "^5.0.11",
+		"thirty-two": "^1.0.2",
 		"typeorm": "^0.3.7"
 	},
 	"devDependencies": {
@@ -48,8 +52,11 @@
 		"@types/jest": "^28.1.6",
 		"@types/jsonwebtoken": "^8.5.8",
 		"@types/node": "^18.6.5",
+		"@types/nodemailer": "^6.4.5",
+		"@types/notp": "^2.0.2",
 		"@types/passport-jwt": "^3.0.6",
 		"@types/passport-local": "^1.0.34",
+		"@types/qrcode": "^1.5.0",
 		"@types/supertest": "^2.0.12",
 		"@types/webpack": "^5.28.0",
 		"@types/webpack-node-externals": "^2.5.3",
diff --git a/src/controller/auth.ts b/src/controller/auth.ts
index 55131d4..438b2b8 100644
--- a/src/controller/auth.ts
+++ b/src/controller/auth.ts
@@ -2,20 +2,21 @@ import {
 	BadRequestException,
 	Body,
 	Controller,
+	Get,
 	HttpCode,
+	ParseBoolPipe,
 	Post,
 	Request,
+	UnauthorizedException,
 	UseGuards
 } from '@nestjs/common';
 import { AuthService } from '../services/auth';
 import { AuthGuard } from '@nestjs/passport';
 import { Public } from '../authguards';
-import {
-	ErrorResponse,
-	LoginResponse,
-	RefreshResponse,
-	SignupResponse
-} from 'dto';
+import { Responses } from 'dto';
+import { tfaTypes } from '../entities';
+import { toDataURL } from 'qrcode';
+import * as base32 from 'thirty-two';
 
 @Controller('api/auth')
 export default class AuthController {
@@ -25,19 +26,90 @@ export default class AuthController {
 	@UseGuards(AuthGuard('local'))
 	@Post('login')
 	@HttpCode(200)
-	async login(@Request() req): Promise<LoginResponse> {
+	async login(
+		@Request() req,
+		@Body('otp') otp?: string
+	): Promise<
+		Responses.Auth.LoginResponse | Responses.Auth.TfaRequiredResponse
+	> {
+		if (this.authService.requiresTfa(req.user)) {
+			if (!otp) {
+				if (req.user.tfaType == tfaTypes.EMAIL)
+					await this.authService.sendTfaMail(req.user);
+				return {
+					statusCode: 200
+				};
+			}
+			if (!(await this.authService.verifyTfa(req.user, otp)))
+				throw new UnauthorizedException('Incorrect 2fa');
+		}
 		return {
 			statusCode: 200,
 			jwt: await this.authService.login(req.user)
 		};
 	}
 
+	async tfa(
+		req,
+		code: string,
+		type: tfaTypes
+	): Promise<Responses.Auth.TfaCompletedResponse> {
+		if (!(await this.authService.verifyTfa(req.user, code, type))) {
+			throw new UnauthorizedException('Incorrect 2fa');
+		}
+		await this.authService.setTfaType(req.user, type);
+		await this.authService.revokeAll(req.user);
+		return {
+			statusCode: 200
+		};
+	}
+
+	@Post('2fa/complete/mail')
+	async tfaMail(
+		@Request() req,
+		@Body('code') code: string
+	): Promise<Responses.Auth.TfaCompletedResponse> {
+		return await this.tfa(req, code, tfaTypes.EMAIL);
+	}
+
+	@Post('2fa/complete/totp')
+	async tfaTotp(
+		@Request() req,
+		@Body('code') code: string
+	): Promise<Responses.Auth.TfaCompletedResponse> {
+		return await this.tfa(req, code, tfaTypes.TOTP);
+	}
+
+	@Get('2fa/setup')
+	async setupTotp(
+		@Request() req,
+		@Body('mail', ParseBoolPipe) mail: boolean
+	): Promise<
+		| Responses.Auth.RequestTotpTfaResponse
+		| Responses.Auth.RequestEmailTfaResponse
+	> {
+		const secret = await this.authService.setupTfa(req.user);
+		if (mail)
+			return {
+				statusCode: 200
+			};
+		return {
+			statusCode: 200,
+			qrCode: await toDataURL(
+				`otpauth://totp/MFileserver:${req.user.name}?secret=${base32
+					.encode(secret)
+					.toString()}&issuer=MFileserver`
+			),
+			secret
+		};
+	}
+
 	@Public()
 	@Post('signup')
 	async signup(
 		@Body('username') username,
 		@Body('password') password
-	): Promise<SignupResponse | ErrorResponse> {
+	): Promise<Responses.Auth.SignupResponse> {
 		if ((await this.authService.findUser(username)) != null)
 			throw new BadRequestException('Username already taken');
 		await this.authService.signup(username, password);
@@ -47,7 +119,7 @@ export default class AuthController {
 	}
 
 	@Post('refresh')
-	async refresh(@Request() req): Promise<RefreshResponse | ErrorResponse> {
+	async refresh(@Request() req): Promise<Responses.Auth.RefreshResponse> {
 		const token = await this.authService.login(req.user);
 		await this.authService.revoke(req.token);
 		return {
diff --git a/src/controller/filesystem.ts b/src/controller/filesystem.ts
index c3a7e64..36178fe 100644
--- a/src/controller/filesystem.ts
+++ b/src/controller/filesystem.ts
@@ -8,15 +8,7 @@ import {
 	Request,
 	StreamableFile
 } from '@nestjs/common';
-import {
-	CreateFileResponse,
-	CreateFolderResponse,
-	DeleteResponse,
-	GetNodeResponse,
-	GetPathResponse,
-	GetRootResponse,
-	UploadFileResponse
-} from 'dto/index';
+import { Responses } from 'dto';
 import FileSystemService from '../services/filesystem';
 import { UserRole } from '../entities';
 import { Role } from '../authguards';
@@ -27,7 +19,7 @@ export default class FileSystemController {
 
 	@Get('root')
 	@Role(UserRole.USER)
-	async getRoot(@Request() req): Promise<GetRootResponse> {
+	async getRoot(@Request() req): Promise<Responses.FS.GetRootResponse> {
 		return {
 			statusCode: 200,
 			rootId: req.user.rootId
@@ -39,9 +31,9 @@ export default class FileSystemController {
 	async getNode(
 		@Request() req,
 		@Param('node', ParseIntPipe) nodeId
-	): Promise<GetNodeResponse> {
+	): Promise<Responses.FS.GetNodeResponse> {
 		const node = await this.fsService.getNodeAndValidate(nodeId, req.user);
-		const data: GetNodeResponse = {
+		const data: Responses.FS.GetNodeResponse = {
 			id: nodeId,
 			statusCode: 200,
 			name: node.name,
@@ -61,7 +53,7 @@ export default class FileSystemController {
 	async getPath(
 		@Request() req,
 		@Param('node', ParseIntPipe) nodeId
-	): Promise<GetPathResponse> {
+	): Promise<Responses.FS.GetPathResponse> {
 		return {
 			statusCode: 200,
 			path: await this.fsService.generatePath(
@@ -76,7 +68,7 @@ export default class FileSystemController {
 		@Request() req,
 		@Body('parent', ParseIntPipe) parent,
 		@Body('name') name
-	): Promise<CreateFolderResponse> {
+	): Promise<Responses.FS.CreateFolderResponse> {
 		const newChild = await this.fsService.create(
 			await this.fsService.getNodeAndValidate(parent, req.user),
 			name,
@@ -95,7 +87,7 @@ export default class FileSystemController {
 		@Request() req,
 		@Body('parent', ParseIntPipe) parent,
 		@Body('name') name
-	): Promise<CreateFileResponse> {
+	): Promise<Responses.FS.CreateFileResponse> {
 		const newChild = await this.fsService.create(
 			await this.fsService.getNodeAndValidate(parent, req.user),
 			name,
@@ -113,7 +105,7 @@ export default class FileSystemController {
 	async delete(
 		@Request() req,
 		@Body('node', ParseIntPipe) node_id
-	): Promise<DeleteResponse> {
+	): Promise<Responses.FS.DeleteResponse> {
 		await this.fsService.delete(
 			await this.fsService.getNodeAndValidate(node_id, req.user)
 		);
@@ -125,7 +117,7 @@ export default class FileSystemController {
 	async upload(
 		@Request() req,
 		@Param('node', ParseIntPipe) nodeId
-	): Promise<UploadFileResponse> {
+	): Promise<Responses.FS.UploadFileResponse> {
 		await this.fsService.uploadFile(await req.file(), nodeId, req.user);
 		return { statusCode: 200 };
 	}
diff --git a/src/entities/index.ts b/src/entities/index.ts
index 244a27d..affa0f7 100644
--- a/src/entities/index.ts
+++ b/src/entities/index.ts
@@ -13,6 +13,12 @@ export enum UserRole {
 	DISABLED = 0
 }
 
+export enum tfaTypes {
+	NONE = 0,
+	EMAIL = 1,
+	TOTP = 2
+}
+
 @Entity()
 export class INode {
 	@PrimaryGeneratedColumn()
@@ -59,6 +65,19 @@ export class User {
 	rootId: number;
 	@OneToOne(() => INode)
 	root: Promise<INode>;
+
+	@Column({
+		type: 'int',
+		default: tfaTypes.NONE,
+		transformer: {
+			from: (db: number): tfaTypes => db,
+			to: (type: tfaTypes): number => type
+		}
+	})
+	tfaType: tfaTypes;
+
+	@Column({ nullable: true })
+	tfaSecret: string;
 }
 
 @Entity()
diff --git a/src/services/auth.ts b/src/services/auth.ts
index b3811e2..db06bfb 100644
--- a/src/services/auth.ts
+++ b/src/services/auth.ts
@@ -4,17 +4,30 @@ import {
 	UnauthorizedException
 } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { JWTToken, User, UserRole } from '../entities';
-import { Repository, LessThanOrEqual } from 'typeorm';
+import { JWTToken, tfaTypes, User, UserRole } from '../entities';
+import { LessThanOrEqual, Repository } from 'typeorm';
 import * as argon2 from 'argon2';
 import { PassportStrategy } from '@nestjs/passport';
 import { Strategy as LocalStrategy } from 'passport-local';
 import { ExtractJwt, Strategy as JWTStrategy } from 'passport-jwt';
 import FileSystemService from './filesystem';
 import * as jwt from 'jsonwebtoken';
+import { createTransport } from 'nodemailer';
+import * as notp from 'notp';
+import { randomBytes } from 'crypto';
 
 const jwtSecret = 'CUM';
 
+const mailAccount = createTransport({
+	host: 'mail.mattv.de',
+	port: 587,
+	secure: false,
+	auth: {
+		user: 'no-reply@mattv.de',
+		pass: 'noreplyLONGPASS123'
+	}
+});
+
 interface jwtPayload {
 	sub: number;
 	jti: number;
@@ -32,6 +45,16 @@ export class AuthService {
 		private fsService: FileSystemService
 	) {}
 
+	generateTfaSecret(): string {
+		const set =
+			'0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz!@#$%^&*()<>?/[]{},.:;';
+		return randomBytes(32)
+			.map((b) =>
+				set.charCodeAt(Math.floor((b / 255.0) * (set.length - 1)))
+			)
+			.toString();
+	}
+
 	async getUser(userId: number): Promise<User | null> {
 		return this.userRepo.findOneBy({
 			id: userId
@@ -67,6 +90,52 @@ export class AuthService {
 		});
 	}
 
+	requiresTfa(user: User): boolean {
+		return user.tfaType != tfaTypes.NONE;
+	}
+
+	async verifyTfa(
+		user: User,
+		token: string,
+		type?: tfaTypes
+	): Promise<boolean> {
+		if (!type) type = user.tfaType;
+		const delta = notp.totp.verify(token, user.tfaSecret, {
+			window: 10
+		});
+		return (
+			delta &&
+			(type == tfaTypes.EMAIL ? delta.delta <= 0 : delta.delta == 0)
+		);
+	}
+
+	async sendTfaMail(user: User) {
+		await mailAccount.sendMail({
+			from: 'fileserver@mattv.de',
+			to: user.name,
+			subject: 'Fileserver - EMail 2fa code',
+			text: `Your code is: ${notp.totp.gen(
+				user.tfaSecret
+			)}\nIt is valid for 5 Minutes`
+		});
+	}
+
+	async setupTfa(user: User): Promise<string> {
+		if (user.tfaType != tfaTypes.NONE)
+			throw new BadRequestException(
+				'2 Factor authentication is already setup'
+			);
+		const secret = this.generateTfaSecret();
+		user.tfaSecret = secret;
+		await this.userRepo.save(user);
+		return secret;
+	}
+
+	async setTfaType(user: User, type: tfaTypes) {
+		user.tfaType = type;
+		await this.userRepo.save(user);
+	}
+
 	async login(user: User) {
 		const token = new JWTToken();
 		token.ownerId = user.id;
@@ -101,6 +170,12 @@ export class AuthService {
 			id: token.id
 		});
 	}
+
+	async revokeAll(user: User) {
+		await this.tokenRepo.delete({
+			ownerId: user.id
+		});
+	}
 }
 
 @Injectable()
diff --git a/yarn.lock b/yarn.lock
index bb3f387..66858f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1105,6 +1105,20 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-18.7.11.tgz#486e72cfccde88da24e1f23ff1b7d8bfb64e6250"
   integrity sha512-KZhFpSLlmK/sdocfSAjqPETTMd0ug6HIMIAwkwUpU79olnZdQtMxpQP+G1wDzCH7na+FltSIhbaZuKdwZ8RDrw==
 
+"@types/nodemailer@^6.4.5":
+  version "6.4.5"
+  resolved "https://registry.yarnpkg.com/@types/nodemailer/-/nodemailer-6.4.5.tgz#09011ac73259245475d1688e4ba101860567dc39"
+  integrity sha512-zuP3nBRQHI6M2PkXnGGy1Ww4VB+MyYHGgnfV2T+JR9KLkeWqPJuyVUgLpKXuFnA/b7pZaIDFh2sV4759B7jK1g==
+  dependencies:
+    "@types/node" "*"
+
+"@types/notp@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@types/notp/-/notp-2.0.2.tgz#7283f4918b2770555e0f2df72acc9f46ebd41ae9"
+  integrity sha512-JUcVYN9Tmw0AjoAfvjslS4hbv39fPBbZdftBK3b50g5z/DmhLsu6cd0UOEBiQuMwy2FirshF2Gk9gAvfWjshMw==
+  dependencies:
+    "@types/node" "*"
+
 "@types/parse-json@^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"
@@ -1148,6 +1162,13 @@
   resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-2.7.0.tgz#ea03e9f0376a4446f44797ca19d9c46c36e352dc"
   integrity sha512-RI1L7N4JnW5gQw2spvL7Sllfuf1SaHdrZpCHiBlCXjIlufi1SMNnbu2teze3/QE67Fg2tBlH7W+mi4hVNk4p0A==
 
+"@types/qrcode@^1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@types/qrcode/-/qrcode-1.5.0.tgz#6a98fe9a9a7b2a9a3167b6dde17eff999eabe40b"
+  integrity sha512-x5ilHXRxUPIMfjtM+1vf/GPTRWZ81nqscursm5gMznJeK9M0YnZ1c3bEvRLQ0zSSgedLx1J6MGL231ObQGGhaA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/qs@*":
   version "6.9.6"
   resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.6.tgz#df9c3c8b31a247ec315e6996566be3171df4b3b1"
@@ -1871,7 +1892,7 @@ callsites@^3.0.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
   integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
 
-camelcase@^5.3.1:
+camelcase@^5.0.0, camelcase@^5.3.1:
   version "5.3.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
@@ -1999,6 +2020,15 @@ cli-width@^3.0.0:
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-3.0.0.tgz#a2f48437a2caa9a22436e794bf071ec9e61cedf6"
   integrity sha512-FxqpkPPwu1HjuN93Omfm4h8uIanXofW0RxVEW3k5RKx+mJJYSthzNhp32Kzxxy3YAEZ/Dc/EWN1vZRY0+kOhbw==
 
+cliui@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-6.0.0.tgz#511d702c0c4e41ca156d7d0e96021f23e13225b1"
+  integrity sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^6.2.0"
+
 cliui@^7.0.2:
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-7.0.4.tgz#a0265ee655476fc807aea9df3df8df7783808b4f"
@@ -2188,6 +2218,11 @@ debug@4, debug@^4.0.0, debug@^4.1.0, debug@^4.1.1, debug@^4.3.2, debug@^4.3.3, d
   dependencies:
     ms "2.1.2"
 
+decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha512-z2S+W9X73hAUUki+N+9Za2lBlun89zigOyGrsax+KUQ6wKW4ZoWpEYBkGhQjwAjjDCkWxhY0VKEhk8wzY7F5cA==
+
 dedent@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
@@ -2263,6 +2298,11 @@ diff@^4.0.1:
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
 
+dijkstrajs@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/dijkstrajs/-/dijkstrajs-1.0.2.tgz#2e48c0d3b825462afe75ab4ad5e829c8ece36257"
+  integrity sha512-QV6PMaHTCNmKSeP6QoXhVTw9snc9VD8MulTT0Bd99Pacp4SS1cjcrYPgBPmibqKVtMJJfqC6XvOXgPMEEPH/fg==
+
 dir-glob@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
@@ -2309,6 +2349,11 @@ emoji-regex@^8.0.0:
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
   integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
 
+encode-utf8@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/encode-utf8/-/encode-utf8-1.0.3.tgz#f30fdd31da07fb596f281beb2f6b027851994cda"
+  integrity sha512-ucAnuBEhUK4boH2HjVYG5Q2mQyPorvv0u/ocS+zhdw0S8AlHYY+GOFhP1Gio5z4icpP2ivFSvhtFjQi8+T9ppw==
+
 encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
@@ -2876,7 +2921,7 @@ gensync@^1.0.0-beta.2:
   resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.2.tgz#32a6ee76c3d7f52d46b2b1ae5d93fea8580a25e0"
   integrity sha512-3hN7NaskYvMDLQY55gnW3NQ+mesEAepTqlg+VEbj7zzqEMBVNhzcGYYeqFo/TlYz6eQiFcp1HcsCZO+nGgS8zg==
 
-get-caller-file@^2.0.5:
+get-caller-file@^2.0.1, get-caller-file@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
@@ -4239,6 +4284,11 @@ node-releases@^2.0.5:
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.5.tgz#280ed5bc3eba0d96ce44897d8aee478bfb3d9666"
   integrity sha512-U9h1NLROZTq9uE1SNffn6WuPDg8icmi3ns4rEl/oTfIle4iLjTliCzgTsbaIFMq/Xn078/lfY/BL0GWZ+psK4Q==
 
+nodemailer@^6.7.8:
+  version "6.7.8"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.7.8.tgz#9f1af9911314960c0b889079e1754e8d9e3f740a"
+  integrity sha512-2zaTFGqZixVmTxpJRCFC+Vk5eGRd/fYtvIR+dl5u9QXLTQWGIf48x/JXvo58g9sa0bU6To04XUv554Paykum3g==
+
 nopt@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-5.0.0.tgz#530942bb58a512fccafe53fe210f13a25355dc88"
@@ -4251,6 +4301,11 @@ normalize-path@^3.0.0, normalize-path@~3.0.0:
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
   integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
 
+notp@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/notp/-/notp-2.0.3.tgz#a9fd11e25cfe1ccb39fc6689544ee4c10ef9a577"
+  integrity sha512-oBig/2uqkjQ5AkBuw4QJYwkEWa/q+zHxI5/I5z6IeP2NT0alpJFsP/trrfCC+9xOAgQSZXssNi962kp5KBmypQ==
+
 npm-run-path@^4.0.0, npm-run-path@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-4.0.1.tgz#b7ecd1e5ed53da8e37a55e1c2269e0b97ed748ea"
@@ -4569,6 +4624,11 @@ pluralize@8.0.0:
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-8.0.0.tgz#1a6fa16a38d12a1901e0320fa017051c539ce3b1"
   integrity sha512-Nc3IT5yHzflTfbjgqWcCPpo7DaKy4FnpB0l/zCAW0Tc7jxAiuqSxHasntB3D7887LSrA93kDJ9IXovxJYxyLCA==
 
+pngjs@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/pngjs/-/pngjs-5.0.0.tgz#e79dd2b215767fd9c04561c01236df960bce7fbb"
+  integrity sha512-40QW5YalBNfQo5yRYmiw7Yz6TKKVr3h6970B2YE+3fQpsWcrbj1PzJgxeJ19DRQjhMbKPIuMY8rFaXc8moolVw==
+
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
@@ -4643,6 +4703,16 @@ punycode@^2.1.0:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
 
+qrcode@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/qrcode/-/qrcode-1.5.1.tgz#0103f97317409f7bc91772ef30793a54cd59f0cb"
+  integrity sha512-nS8NJ1Z3md8uTjKtP+SGGhfqmTCs5flU/xR623oI0JX+Wepz9R8UrRVCTBTJm3qGw3rH6jJ6MUHjkDx15cxSSg==
+  dependencies:
+    dijkstrajs "^1.0.1"
+    encode-utf8 "^1.0.3"
+    pngjs "^5.0.0"
+    yargs "^15.3.1"
+
 qs@6.9.3:
   version "6.9.3"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.3.tgz#bfadcd296c2d549f1dffa560619132c977f5008e"
@@ -4744,6 +4814,11 @@ require-from-string@^2.0.2:
   resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
   integrity sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==
 
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
 resolve-cwd@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-3.0.0.tgz#0f0075f1bb2544766cf73ba6a6e2adfebcb13f2d"
@@ -5314,6 +5389,11 @@ thenify-all@^1.0.0:
   dependencies:
     any-promise "^1.0.0"
 
+thirty-two@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/thirty-two/-/thirty-two-1.0.2.tgz#4ca2fffc02a51290d2744b9e3f557693ca6b627a"
+  integrity sha512-OEI0IWCe+Dw46019YLl6V10Us5bi574EvlJEOcAkB29IzQ/mYD1A6RyNHLjZPiHCmuodxvgF6U+vZO1L15lxVA==
+
 thread-stream@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/thread-stream/-/thread-stream-2.1.0.tgz#d560dd8b9d09482b0e2e876a96c229c374870836"
@@ -5707,6 +5787,11 @@ whatwg-url@^5.0.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha512-B+enWhmw6cjfVC7kS8Pj9pCrKSc5txArRyaYGe088shv/FGWH+0Rjx/xPgtsWfsUtS27FkP697E4DDhgrgoc0Q==
+
 which@^2.0.1, which@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"
@@ -5738,6 +5823,15 @@ word-wrap@^1.2.3:
   resolved "https://registry.yarnpkg.com/word-wrap/-/word-wrap-1.2.3.tgz#610636f6b1f703891bd34771ccb17fb93b47079c"
   integrity sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==
 
+wrap-ansi@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53"
+  integrity sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
 wrap-ansi@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
@@ -5773,6 +5867,11 @@ xmlbuilder@~11.0.0:
   resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-11.0.1.tgz#be9bae1c8a046e76b31127726347d0ad7002beb3"
   integrity sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==
 
+y18n@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf"
+  integrity sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==
+
 y18n@^5.0.5:
   version "5.0.8"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.8.tgz#7f4934d0f7ca8c56f95314939ddcd2dd91ce1d55"
@@ -5793,6 +5892,14 @@ yargs-parser@21.0.1, yargs-parser@^21.0.0:
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-21.0.1.tgz#0267f286c877a4f0f728fceb6f8a3e4cb95c6e35"
   integrity sha512-9BK1jFpLzJROCI5TzwZL/TU4gqjK5xiHV/RfWLOahrjAko/e4DJkRDZQXfvqAsiZzzYhgAzbgz6lg48jcm4GLg==
 
+yargs-parser@^18.1.2:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs-parser@^20.2.2:
   version "20.2.9"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.9.tgz#2eb7dc3b0289718fc295f362753845c41a0c94ee"
@@ -5803,6 +5910,23 @@ yargs-parser@^21.0.1:
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-21.1.1.tgz#9096bceebf990d21bb31fa9516e0ede294a77d35"
   integrity sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==
 
+yargs@^15.3.1:
+  version "15.4.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"
+  integrity sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
+  dependencies:
+    cliui "^6.0.0"
+    decamelize "^1.2.0"
+    find-up "^4.1.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^4.2.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^18.1.2"
+
 yargs@^16.0.0:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"