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Refresh Token Machine (X Time before expiration)
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| "use client"; | |
| import dayjs from "dayjs"; | |
| import { jwtDecode } from "jwt-decode"; | |
| import { useRouter } from "next/navigation"; | |
| import { useEffect, useRef, useState } from "react"; | |
| import { useAuthContext } from "../auth/context"; | |
| export default function RefreshTokenMachine() { | |
| const [diff, setDiff] = useState<number>(1000); | |
| const [accessToken, setAccessToken] = useState<string | null>(null); | |
| const prevAccessToken = useRef<string | null>(null); | |
| const router = useRouter(); | |
| const { isAuthenticated } = useAuthContext(); | |
| useEffect(() => { | |
| prevAccessToken.current = accessToken; | |
| }, [accessToken]); | |
| useEffect(() => { | |
| if (!isAuthenticated) return; | |
| const getRefresh = async () => { | |
| { | |
| const res = await fetch( | |
| `${process.env.NEXT_PUBLIC_URL}/api/proxy/auth/refresh-token`, | |
| { | |
| method: "GET", | |
| }, | |
| ); | |
| const { data } = await res.json(); | |
| const { accessToken } = data; | |
| setAccessToken(accessToken); | |
| const jwtPayload = jwtDecode(accessToken); | |
| if (!jwtPayload.exp) { | |
| router.push("/logout"); | |
| return; | |
| } | |
| const refreshTime = dayjs(jwtPayload.exp * 1000).subtract(5, "minutes"); | |
| const now = dayjs(); | |
| const diff = refreshTime.diff(now, "milliseconds"); | |
| setDiff(diff); | |
| } | |
| }; | |
| const timeoutId = setTimeout(getRefresh, diff); | |
| return () => clearTimeout(timeoutId); | |
| }, [isAuthenticated, diff, router]); | |
| return ( | |
| <div> | |
| <div> | |
| <p>Refreshing token in {diff / 1000} seconds</p> | |
| <code | |
| style={{ | |
| whiteSpace: "pre-wrap", | |
| wordBreak: "break-word", | |
| }} | |
| > | |
| Access token: {accessToken} | |
| <br /> | |
| Previous access token: {prevAccessToken.current} | |
| </code> | |
| </div> | |
| </div> | |
| ); | |
| } |
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