Update package layout

lib/provider/token/TokenUtils.ts

@@ -0,0 +1,52 @@
+interface TokenResponse {
+	token: string | null | undefined;
+}
+
+interface TokenBody {
+	token: string;
+	iat: number;
+	exp: number;
+}
+
+export interface LoginBody {
+	login: string;
+	password: string;
+}
+
+export interface TokenData {
+	accessToken: string | null | undefined;
+	issued: number;
+	expires: number;
+}
+
+export const defaultTokenData: TokenData = {
+	accessToken: "",
+	issued: 0,
+	expires: 0
+}
+
+export async function fetchToken(apiUrl: string){
+	const res = await fetch(`${apiUrl}/refresh`);
+	return await res.json() as TokenResponse;
+}
+
+export function parseToken(rawToken: string | null | undefined): TokenData {
+	if(!rawToken){
+		return defaultTokenData;
+	}
+
+	const payloads = rawToken.split(".");
+	if(payloads.length !== 3){
+		return defaultTokenData;
+	}
+
+	const payload = payloads[1];
+
+	const tokenBody = JSON.parse(atob(payload)) as TokenBody;
+
+	return ({
+		accessToken: rawToken,
+		issued: tokenBody.iat * 1000,
+		expires: tokenBody.exp * 1000
+	});
+}