modern-valhalla/lib/storage/s3/s3-client.js

Private npm repository server

const AWS = require('aws-sdk');
const fs = require('fs');

const {getFileInfo} = require('./s3-utils');

class S3Client {
  constructor(config) {
    AWS.config.update({
      accessKeyId: config.s3.key,
      secretAccessKey: config.s3.secret,
      region: config.s3.region,
      httpOptions: {
        timeout: 10000,
      },
    });

    this.client = new AWS.S3();
    this.bucket = config.s3.bucket;
  }

  putFile(filePath, fileName, isPrivate, callback) {
    fs.readFile(filePath, (err, fileContent) => {
      if (err) {
        return callback(err);
      }

      this.putFileContent(fileContent, fileName, isPrivate, callback);
    });
  }

  putFileContent(fileContent, fileName, isPrivate, callback) {
    const fileInfo = getFileInfo(fileName);
    const obj = {
        Bucket: this.bucket,
        Key: fileName,
        Body: fileContent,
        ACL: isPrivate ? 'authenticated-read' : 'public-read',
        ServerSideEncryption: 'AES256',
        Expires: new Date(new Date().setYear(new Date().getFullYear() + 1)),
      };

    if (fileInfo.mimeType) {
      obj.ContentType = fileInfo.mimeType;
    }

    if (fileInfo.gzip) {
      obj.ContentEncoding = 'gzip';
    }

    this.client.putObject(obj, callback);
  }

  deleteFile(fileName, callback) {
    const params = {
      Bucket: this.bucket,
      Key: fileName,
    };

    this.client.deleteObject(params, callback);
  }
}

module.exports = S3Client;