32 lines
808 B
JavaScript
32 lines
808 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()
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.add(24 * 60, 'minutes')
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.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
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.createHmac('sha1', process.env.AWS_SECRET_ACCESS_KEY)
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.update(policy)
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.digest('base64');
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return signature;
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};
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export { makePolicy, signPolicy };
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