@tremorvideo/blink-cli/src/login/verify-aws-access.js

const AWS = require('./aws-helper')

/** Verifies AWS credentials by accessing S3
  * Returns a promise
  * Options object keys:
  *   filepath: 'specify path to credentials file if not ~/.aws/credentials '
  *   credentials: 'an object containing accessKeyId and secretAccessKey if not using values in ~/.aws/credentials'
  */
module.exports = async (opts = {}) => {
  if (opts.filepath) {
    const creds = new AWS.SharedIniFileCredentials({ filename: opts.filepath })
    AWS.config.credentials = creds
  }
  const awsParams = {
    params: {
      Bucket: 'trmr-animate-vpaid',
      ACL: 'public-read'
    }
  }
  if (opts.credentials) {
    Object.assign(awsParams, opts.credentials)
  }
  const s3 = new AWS.S3(awsParams)
  await s3.putObject({
    ContentType: 'application/json',
    Body: JSON.stringify({}),
    Key: 'test/access.json'
  }).promise()
}