Samuel Newman
31 lines
846 B
TypeScript
31 lines
846 B
TypeScript
import {type SessionAccount} from './types'
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/** Maximum failed token generations considered during one expiry rescue. */
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export const MAX_EXPIRY_RESCUE_GENERATIONS = 5
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/** Pick the first unfailed token generation newer than the one that expired. */
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export function pickExpiryRescueCandidate({
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dyingRefreshJwt,
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candidates,
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failedRefreshJwts,
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}: {
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dyingRefreshJwt: string
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candidates: (SessionAccount | undefined)[]
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failedRefreshJwts: ReadonlySet<string>
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}): SessionAccount | undefined {
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if (failedRefreshJwts.size >= MAX_EXPIRY_RESCUE_GENERATIONS) {
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return undefined
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}
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for (const candidate of candidates) {
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const refreshJwt = candidate?.refreshJwt
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if (
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refreshJwt &&
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refreshJwt !== dyingRefreshJwt &&
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!failedRefreshJwts.has(refreshJwt)
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) {
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return candidate
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}
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}
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return undefined
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}
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