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18 lines
693 B
18 lines
693 B
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 { log } = require('./utils');
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/**
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* Generates a SHA1 hash for the provided file
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* @param {*} file The file to hash
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* @returns The SHA1 hash
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*/
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module.exports = (file) =>
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new Promise((resolve, reject) =>
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toArray((fs.createReadStream(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')) // skipcq: JS-D003
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.then((hash) => log.debug(`Hash for ${file.originalname}`, hash, 'SHA1, hex').callback(resolve, hash))
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.catch(reject));
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