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| require('dotenv').config() | |
| const AWS = require('aws-sdk') | |
| const fs = require('fs') | |
| const async = require('async') | |
| const Bucket = process.env.AWS_BUCKET | |
| const s3 = new AWS.S3({ | |
| accessKeyId: process.env.ACCESS_KEY_ID, | |
| secretAccessKey: process.env.SECRET_ACCESS_KEY | |
| }) | |
| async function updateObject({ Key }) { | |
| if (Key === 'uploads/') return | |
| if (Key.indexOf('pdf') !== Key.length - 3) return | |
| const objectData = await s3.headObject({ | |
| Key, | |
| Bucket | |
| }).promise() | |
| if (objectData.ContentType === 'application/pdf') return | |
| const { Body } = await s3.getObject({ | |
| Key, | |
| Bucket | |
| }).promise() | |
| // backup in case | |
| fs.writeFileSync(`${__dirname}/${Key}`, Body) | |
| return s3.putObject({ | |
| Bucket, | |
| Key, | |
| ContentType: 'application/pdf', | |
| Body: Body | |
| }).promise() | |
| } | |
| async function go(Marker) { | |
| const objects = await s3.listObjects({ | |
| Bucket, | |
| Marker, | |
| Prefix: 'uploads/' | |
| }).promise() | |
| let x = 0 | |
| const process = (object, cb) => { | |
| console.log(x++, object.Key) | |
| updateObject(object).then(() => cb()).catch(cb) | |
| } | |
| async.eachLimit(objects.Contents, 10, process, err => { | |
| if (err) throw err | |
| if (objects.Contents.length === 1000) { | |
| go(objects.Contents[objects.Contents.length - 1].Key) | |
| } else { | |
| console.log('done') | |
| process.exit() | |
| } | |
| }) | |
| } | |
| go() |
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