91 lines
2.2 KiB
TypeScript
91 lines
2.2 KiB
TypeScript
export interface User {
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id: string
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email: string
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name?: string
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}
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export interface JWTPayload {
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sub: string
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email: string
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name?: string
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exp: number
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iat: number
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}
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export function decodeJWT(token: string): JWTPayload | null {
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try {
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const base64Url = token.split(".")[1]
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const base64 = base64Url.replace(/-/g, "+").replace(/_/g, "/")
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const jsonPayload = decodeURIComponent(
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atob(base64)
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.split("")
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.map((c) => "%" + ("00" + c.charCodeAt(0).toString(16)).slice(-2))
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.join("")
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)
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return JSON.parse(jsonPayload)
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} catch {
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return null
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}
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}
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export function isTokenExpired(token: string): boolean {
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const payload = decodeJWT(token)
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if (!payload) return true
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return Date.now() >= payload.exp * 1000
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}
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function getStorage(): Storage {
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if (typeof window === "undefined") return localStorage
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return localStorage.getItem("remember_me") === "true"
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? localStorage
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: sessionStorage
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}
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export function getToken(key: string): string | null {
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return localStorage.getItem(key) ?? sessionStorage.getItem(key)
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}
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export function setTokens(accessToken: string, refreshToken: string, remember?: boolean) {
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if (typeof window === "undefined") return
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if (remember !== undefined) {
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localStorage.setItem("remember_me", String(remember))
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}
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const storage = remember !== undefined
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? (remember ? localStorage : sessionStorage)
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: getStorage()
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localStorage.removeItem("access_token")
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localStorage.removeItem("refresh_token")
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sessionStorage.removeItem("access_token")
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sessionStorage.removeItem("refresh_token")
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storage.setItem("access_token", accessToken)
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storage.setItem("refresh_token", refreshToken)
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}
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export function clearTokens() {
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localStorage.removeItem("access_token")
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localStorage.removeItem("refresh_token")
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localStorage.removeItem("remember_me")
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sessionStorage.removeItem("access_token")
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sessionStorage.removeItem("refresh_token")
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}
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export function getUser(): User | null {
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if (typeof window === "undefined") return null
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const token = getToken("access_token")
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if (!token || isTokenExpired(token)) return null
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const payload = decodeJWT(token)
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if (!payload) return null
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return {
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id: payload.sub,
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email: payload.email,
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name: payload.name,
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}
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}
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