byGalax
21 lines
753 B
TypeScript
21 lines
753 B
TypeScript
import { Buffer } from 'buffer';
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import * as SecureStore from 'expo-secure-store';
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import type { SecretStore } from '@chat-app/shared/auth';
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// SecretStore contract uses Uint8Array values; SecureStore only takes
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// strings, so we base64 at the boundary. iOS Keychain max value size
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// is generous (a few MB); private keys are 32 bytes so we are well
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// within limits.
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export const secretStore: SecretStore = {
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async getSecret(key) {
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const v = await SecureStore.getItemAsync(key);
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return v ? new Uint8Array(Buffer.from(v, 'base64')) : null;
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},
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async setSecret(key, value) {
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await SecureStore.setItemAsync(key, Buffer.from(value).toString('base64'));
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},
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async removeSecret(key) {
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await SecureStore.deleteItemAsync(key);
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},
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};
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