Jon Staab
22 lines
685 B
TypeScript
22 lines
685 B
TypeScript
import {MapPlugin} from "./base.js"
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/**
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* A cache of decrypted content, keyed by the ciphertext. Decryption itself is
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* supplied by the caller (the signer's underlying decrypt), so the cache stays
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* independent of which signer produced the plaintext — and `appPolicyCacheDecrypt`
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* can layer it onto `user.signer` without recursing back into the wrapped signer.
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*/
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export class Plaintext extends MapPlugin<string> {
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ensure = async (ciphertext: string, decrypt: () => Promise<string>): Promise<string> => {
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let result = this.get(ciphertext)
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if (result === undefined) {
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result = await decrypt()
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this.set(ciphertext, result)
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}
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return result
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}
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}
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