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s3.js
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s3.js
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require('dotenv').config();
const S3 = require('aws-sdk/clients/s3');
const fs = require('fs');
//Create an instance of our s3
const s3 = new S3({
region: 'us-east-2',
accessKeyId: process.env.AWS_ACCESS_KEY_ID,
secretAccessKey: process.env.AWS_SECRET_ACESS_KEY
});
// uploads a file to s3
function uploadFile(file) {
const fileStream = fs.createReadStream(file.path)
const uploadParams = {
Bucket: process.env.BUCKET_NAME,
Body: fileStream,
Key: file.filename
}
return s3.upload(uploadParams).promise()
}
exports.uploadFile = uploadFile
// downloads a file from s3
function getFileStream(fileKey) {
try{
const downloadParams = {
Key: fileKey,
Bucket: process.env.BUCKET_NAME
}
return s3.getObject(downloadParams).createReadStream()
}catch(err){
console.error(err);
return null;
}
}
exports.getFileStream = getFileStream