63 lines
1.6 KiB
TypeScript
63 lines
1.6 KiB
TypeScript
import LRUCache from 'lru-cache'
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import { LRU_CACHE } from '@server/initializers/constants'
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import { MUserAccountUrl } from '@server/types/models'
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import { pick } from '@shared/core-utils'
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import { buildUUID } from '@shared/extra-utils'
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// ---------------------------------------------------------------------------
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// Create temporary tokens that can be used as URL query parameters to access video static files
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// ---------------------------------------------------------------------------
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class VideoTokensManager {
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private static instance: VideoTokensManager
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private readonly lruCache = new LRUCache<string, { videoUUID: string, user: MUserAccountUrl }>({
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max: LRU_CACHE.VIDEO_TOKENS.MAX_SIZE,
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ttl: LRU_CACHE.VIDEO_TOKENS.TTL
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})
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private constructor () {}
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create (options: {
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user: MUserAccountUrl
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videoUUID: string
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}) {
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const token = buildUUID()
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const expires = new Date(new Date().getTime() + LRU_CACHE.VIDEO_TOKENS.TTL)
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this.lruCache.set(token, pick(options, [ 'user', 'videoUUID' ]))
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return { token, expires }
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}
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hasToken (options: {
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token: string
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videoUUID: string
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}) {
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const value = this.lruCache.get(options.token)
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if (!value) return false
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return value.videoUUID === options.videoUUID
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}
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getUserFromToken (options: {
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token: string
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}) {
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const value = this.lruCache.get(options.token)
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if (!value) return undefined
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return value.user
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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}
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// ---------------------------------------------------------------------------
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export {
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VideoTokensManager
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}
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