40 lines
1.0 KiB
JavaScript
40 lines
1.0 KiB
JavaScript
export class S3ExpressIdentityCache {
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data;
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lastPurgeTime = Date.now();
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static EXPIRED_CREDENTIAL_PURGE_INTERVAL_MS = 30_000;
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constructor(data = {}) {
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this.data = data;
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}
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get(key) {
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const entry = this.data[key];
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if (!entry) {
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return;
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}
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return entry;
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}
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set(key, entry) {
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this.data[key] = entry;
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return entry;
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}
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delete(key) {
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delete this.data[key];
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}
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async purgeExpired() {
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const now = Date.now();
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if (this.lastPurgeTime + S3ExpressIdentityCache.EXPIRED_CREDENTIAL_PURGE_INTERVAL_MS > now) {
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return;
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}
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for (const key in this.data) {
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const entry = this.data[key];
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if (!entry.isRefreshing) {
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const credential = await entry.identity;
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if (credential.expiration) {
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if (credential.expiration.getTime() < now) {
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delete this.data[key];
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}
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}
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}
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}
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}
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}
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