@soinlabs/secrets/src/AmazonProvider.js

Key management library for SOIN Labs

const AWS = require("aws-sdk");
const StandardError = require("standard-error");
const sp = require("synchronized-promise");
class AmazonProvider {
  constructor(configOptions) {
    this.secretManager = null;
    this.configureSecretManager(configOptions);
  }

  configureSecretManager(configOptions) {
    if (configOptions && configOptions.region) {
      this.secretManager = new AWS.SecretsManager({
        region: configOptions.region,
      });
      this.validateFile();
    } else {
      throw new StandardError({
        code: 500,
        message: "AmazonProvider at AWS.SecretManager: not region provided",
      });
    }
  }

  validateFile() {
    AWS.config.getCredentials(function (err) {
      if (err) {
        throw new StandardError({
          code: 500,
          message: "AWS credentials not loaded",
          previousError: err,
        });
      }
    });
  }

  getSecretById(SecretId) {
    if (this.secretManager !== null) {
      return new Promise((resolve, reject) => {
        this.secretManager.getSecretValue({ SecretId }, (err, data) => {
          if (err) reject(err);
          else {
            if ("SecretString" in data) {
              resolve(JSON.parse(data.SecretString));
            }
          }
        });
      });
    }
  }

  async getSecret(key) {
    return await this.getSecretById(key);
  }

  getSecretSync(key) {
    let getSecret = sp(this.getSecretById.bind(this));
    return getSecret(key);
  }
}

module.exports = AmazonProvider;