Lambda Function to retrieve the .env file for a site based on sitename

handler.js

"use strict";

module.exports.endpoint = async (event, context, callback) => {
  const queryParams = event.queryStringParameters;
  if (!queryParams) callback("No query params");

  const devUser = queryParams.user;
  const site = queryParams.site;
  const key = queryParams.key;

  if (!key) callback("no auth");
  if (key !== process.env.KEY) callback("failed auth");

  if (!devUser || !site) {
    callback("no site or no devUser provided");
  }

  const config = await getConfig(site, devUser);
  const response = {
    statusCode: 200,
    body: config,
  };

  callback(null, response);
};

const getConfig = (site, user) => {
  return new Promise((resolve, reject) => {
    try {
      resolve(configs[site].replace(/_USER_TO_BE_REPLACED_/g, user));
    } catch (error) {
      reject(new Error("File does not exist"));
    }
  });
};

const configs = {
  sitename1: `
# The environment Craft is currently running in ('dev', 'staging', 'production', etc.)
ENVIRONMENT="local"
  
# The secure key Craft will use for hashing and encrypting data
SECURITY_KEY=${process.env.SITENAME1_SEC_KEY}
  
# The database driver that will be used ('mysql' or 'pgsql')
DB_DRIVER="mysql"
  
# The database server name or IP address (usually this is 'localhost' or '127.0.0.1')
DB_SERVER=""
  
# The database username to connect with
DB_USER="root"
  
# The database password to connect with
DB_PASSWORD="root"
  
# The name of the database to select
DB_DATABASE="my_site"
  
# The database schema that will be used (PostgreSQL only)
DB_SCHEMA="public"
  
# The prefix that should be added to generated table names (only necessary if multiple things are sharing the same database)
DB_TABLE_PREFIX=""
  
# The port to connect to the database with. Will default to 5432 for PostgreSQL and 3306 for MySQL.
DB_PORT="33062"
  
# FASTLY SETTINGS
UPPER_DRIVER="fastly"
FASTLY_API_TOKEN="${process.env.SITENAME2_FASTLY_TOKEN}"
FASTLY_SERVICE_ID="xxxxxxxxxxxx"
FASTLY_DOMAIN="https://www.xxxxxxxxxxx.com"

`,

  sitename2: `
# The environment Craft is currently running in ('dev', 'staging', 'production', etc.)
ENVIRONMENT="local"

# The secure key Craft will use for hashing and encrypting data
SECURITY_KEY="${process.env.SITENAME2_SEC_KEY}"

# The Data Source Name (“DSN”) that tells Craft how to connect to the database
DB_DSN="mysql:host=192.168.64.100;port=33061;dbname=my_db"

# The database username to connect with
DB_USER="root"

# The database password to connect with
DB_PASSWORD="root"

# The database schema that will be used (PostgreSQL only)
DB_SCHEMA="public"

# The prefix that should be added to generated table names (only necessary if multiple things are sharing the same database)
DB_TABLE_PREFIX=""

DEFAULT_SITE_URL="https://mysite.docksal"
SYSTEM_NAME="LOCAL DEV"
`,
};