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17 lines
718 B
17 lines
718 B
import { FileData } from './types/definitions';
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import fs from 'fs-extra';
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import crypto from 'crypto';
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import toArray from 'stream-to-array';
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import { log } from './utils';
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/**
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* Generates a SHA1 hash for the provided file
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*/
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export default (file: FileData): Promise<string> =>
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new Promise((resolve, reject) =>
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toArray((fs.createReadStream(file.path)))
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.then((parts: any[]) => Buffer.concat(parts.map((part: any) => (Buffer.isBuffer(part) ? part : Buffer.from(part)))))
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.then((buf: Buffer) => crypto.createHash('sha1').update(buf).digest('hex')) // skipcq: JS-D003
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.then((hash: string) => log.debug(`Hash for ${file.originalname}`, hash, 'SHA1, hex').callback(() => resolve(hash)))
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.catch(reject));
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