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ass/hash.js

14 lines
571 B

const fs = require('fs-extra');
const crypto = require('crypto');
const toArray = require('stream-to-array')
const { path } = require('./utils');
const { s3enabled } = require('./config.json');
module.exports = (file) =>
new Promise((resolve, reject) =>
toArray((fs.createReadStream(s3enabled ? path('uploads/', file.originalname) : path(file.path))))
.then((parts) => Buffer.concat(parts.map((part) => Buffer.isBuffer(part) ? part : Buffer.from(part))))
.then((buf) => crypto.createHash('sha1').update(buf).digest('hex'))
.then(resolve)
.catch(reject));