mirror of https://github.com/keeweb/keeweb.git
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
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import { Logger } from 'util/logger';
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import { YubiKey } from 'comp/app/yubikey';
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const logger = new Logger('chal-resp');
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const ChalRespCalculator = {
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cache: {},
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build(params) {
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if (!params) {
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return null;
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}
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return challenge => {
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return new Promise((resolve, reject) => {
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const ts = logger.ts();
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challenge = Buffer.from(challenge);
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const hexChallenge = challenge.toString('hex');
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const key = `${params.vid}:${params.pid}:${params.serial}:${hexChallenge}`;
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if (this.cache[key]) {
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logger.debug('Found ChalResp in cache');
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return resolve(Buffer.from(this.cache[key], 'hex'));
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}
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logger.debug('Calculating ChalResp using a YubiKey');
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YubiKey.calculateChalResp(params, challenge, (err, response) => {
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if (err) {
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return reject(err);
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}
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this.cache[key] = response.toString('hex');
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logger.info('Calculated ChalResp', logger.ts(ts));
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resolve(response);
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});
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});
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};
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}
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};
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export { ChalRespCalculator };
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