Files
paskia/paskia-js/src/validate.ts
T

67 lines
2.0 KiB
TypeScript

import { apiJson } from './fetch'
const POLL_INTERVAL = 60 * 1000
const IDLE_TIMEOUT = 5 * 60 * 1000
export class SessionValidator {
private userUuidGetter: () => string | undefined
private onSessionLost: (error: Error) => void
private pollTimer: ReturnType<typeof setInterval> | null = null
private idleTimer: ReturnType<typeof setTimeout> | null = null
private active = false
constructor(userUuidGetter: () => string | undefined, onSessionLost: (error: Error) => void) {
this.userUuidGetter = userUuidGetter
this.onSessionLost = onSessionLost
this.resetIdleTimer = this.resetIdleTimer.bind(this)
}
resetIdleTimer(): void {
if (this.idleTimer) clearTimeout(this.idleTimer)
if (!this.active) this.startPolling()
this.idleTimer = setTimeout(() => this.stopPolling(), IDLE_TIMEOUT)
}
async validate(): Promise<void> {
try {
const data = await apiJson<{ ctx?: { user?: { uuid?: string } } }>('/auth/api/validate', { method: 'POST' })
const newUuid = data.ctx?.user?.uuid
if (newUuid !== this.userUuidGetter()) {
window.location.reload()
}
} catch (error) {
if ((error as Error).name !== 'NetworkError') {
this.stopPolling()
this.onSessionLost(error as Error)
}
}
}
startPolling(): void {
if (this.active) return
this.active = true
this.pollTimer = setInterval(() => this.validate(), POLL_INTERVAL)
}
stopPolling(): void {
this.active = false
if (this.pollTimer) {
clearInterval(this.pollTimer)
this.pollTimer = null
}
}
start(): void {
window.addEventListener('pointermove', this.resetIdleTimer)
window.addEventListener('pointerdown', this.resetIdleTimer)
this.resetIdleTimer()
}
stop(): void {
window.removeEventListener('pointermove', this.resetIdleTimer)
window.removeEventListener('pointerdown', this.resetIdleTimer)
if (this.idleTimer) clearTimeout(this.idleTimer)
this.stopPolling()
}
}