33 lines
795 B
JavaScript
33 lines
795 B
JavaScript
import crypto from 'crypto';
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import moment from 'moment';
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const makePolicy = () => {
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const policy = {
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conditions: [
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{'bucket': process.env.AWS_S3_UPLOAD_BUCKET_NAME},
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['starts-with', '$key', ''],
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{'acl': 'public-read'},
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['content-length-range', 0, process.env.AWS_S3_UPLOAD_MAX_SIZE],
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['starts-with', '$Content-Type', 'image'],
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['starts-with', '$Cache-Control', ''],
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],
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expiration: moment().add(24*60, 'minutes').format('YYYY-MM-DDTHH:mm:ss\\Z'),
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};
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return new Buffer(JSON.stringify(policy)).toString('base64')
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};
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const signPolicy = (policy) => {
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const signature = crypto.createHmac(
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'sha1',
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process.env.AWS_SECRET_ACCESS_KEY
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).update(policy).digest('base64');
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return signature;
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};
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export {
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makePolicy,
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signPolicy,
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};
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