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