forked from um/um-react
32 lines
955 B
TypeScript
32 lines
955 B
TypeScript
import { WorkerServerBus } from '~/util/WorkerEventBus';
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import { DECRYPTION_WORKER_ACTION_NAME } from './constants';
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import type { CryptoFactory } from './crypto/CryptoBase';
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import { XiamiCrypto } from './crypto/xiami/xiami';
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import { QMC1Crypto } from './crypto/qmc/qmc_v1';
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const bus = new WorkerServerBus();
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onmessage = bus.onmessage;
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const decryptorFactories: CryptoFactory[] = [
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// Xiami (*.xm)
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() => new XiamiCrypto(),
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// QMCv1 (*.qmcflac)
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() => new QMC1Crypto(),
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];
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bus.addEventHandler(DECRYPTION_WORKER_ACTION_NAME.DECRYPT, async (blobURI) => {
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const blob = await fetch(blobURI).then((r) => r.blob());
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for (const factory of decryptorFactories) {
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const decryptor = factory();
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if (await decryptor.isSupported(blob)) {
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const decrypted = await decryptor.decrypt(blob);
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return { decrypted: URL.createObjectURL(decrypted) };
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}
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}
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throw new Error('could not decrypt file: no working decryptor found');
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});
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