overleaf/services/filestore/config/settings.defaults.js

/* eslint-disable
    no-path-concat,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const Path = require('path')

// environment variables renamed for consistency
// use AWS_ACCESS_KEY_ID-style going forward
if (process.env.AWS_KEY && !process.env.AWS_ACCESS_KEY_ID) {
  process.env.AWS_ACCESS_KEY_ID = process.env.AWS_KEY
}
if (process.env.AWS_SECRET && !process.env.AWS_SECRET_ACCESS_KEY) {
  process.env.AWS_SECRET_ACCESS_KEY = process.env.AWS_SECRET
}

// pre-backend setting, fall back to old behaviour
if (process.env.BACKEND == null) {
  if (
    process.env.AWS_ACCESS_KEY_ID != null ||
    process.env.S3_BUCKET_CREDENTIALS != null
  ) {
    process.env.BACKEND = 's3'
    process.env.USER_FILES_BUCKET_NAME =
      process.env.AWS_S3_USER_FILES_BUCKET_NAME
    process.env.TEMPLATE_FILES_BUCKET_NAME =
      process.env.AWS_S3_TEMPLATE_FILES_BUCKET_NAME
    process.env.PUBLIC_FILES_BUCKET_NAME =
      process.env.AWS_S3_PUBLIC_FILES_BUCKET_NAME
  } else {
    process.env.BACKEND = 'fs'
    process.env.USER_FILES_BUCKET_NAME = Path.resolve(
      __dirname + '/../user_files'
    )
    process.env.TEMPLATE_FILES_BUCKET_NAME = Path.resolve(
      __dirname + '/../template_files'
    )
    process.env.PUBLIC_FILES_BUCKET_NAME = Path.resolve(
      __dirname + '/../public_files'
    )
  }
}

const settings = {
  internal: {
    filestore: {
      port: 3009,
      host: process.env.LISTEN_ADDRESS || 'localhost'
    }
  },

  filestore: {
    // Which backend persistor to use.
    // Choices are
    // s3 - Amazon S3
    // fs - local filesystem
    // gcs - Google Cloud Storage
    backend: process.env.BACKEND,

    gcs: {
      endpoint: process.env.GCS_API_ENDPOINT
        ? {
            apiEndpoint: process.env.GCS_API_ENDPOINT,
            apiScheme: process.env.GCS_API_SCHEME,
            projectId: process.env.GCS_PROJECT_ID
          }
        : undefined,
      unlockBeforeDelete: process.env.GCS_UNLOCK_BEFORE_DELETE === 'true', // unlock an event-based hold before deleting. default false
      deletedBucketSuffix: process.env.GCS_DELETED_BUCKET_SUFFIX, // if present, copy file to another bucket on delete. default null
      deleteConcurrency: parseInt(process.env.GCS_DELETE_CONCURRENCY) || 50,
      signedUrlExpiryInMs: parseInt(process.env.LINK_EXPIRY_TIMEOUT || 60000)
    },

    s3:
      process.env.AWS_ACCESS_KEY_ID != null ||
      process.env.S3_BUCKET_CREDENTIALS != null
        ? {
            key: process.env.AWS_ACCESS_KEY_ID,
            secret: process.env.AWS_SECRET_ACCESS_KEY,
            endpoint: process.env.AWS_S3_ENDPOINT,
            pathStyle: process.env.AWS_S3_PATH_STYLE,
            partSize: process.env.AWS_S3_PARTSIZE || 100 * 1024 * 1024,
            bucketCreds:
              process.env.S3_BUCKET_CREDENTIALS != null
                ? JSON.parse(process.env.S3_BUCKET_CREDENTIALS)
                : undefined
          }
        : undefined,

    // GCS should be configured by the service account on the kubernetes pod. See GOOGLE_APPLICATION_CREDENTIALS,
    // which will be picked up automatically.

    stores: {
      user_files: process.env.USER_FILES_BUCKET_NAME,
      template_files: process.env.TEMPLATE_FILES_BUCKET_NAME,
      public_files: process.env.PUBLIC_FILES_BUCKET_NAME
    },

    fallback:
      process.env.FALLBACK_BACKEND != null
        ? {
            backend: process.env.FALLBACK_BACKEND,
            // mapping of bucket names on the fallback, to bucket names on the primary.
            // e.g. { myS3UserFilesBucketName: 'myGoogleUserFilesBucketName' }
            buckets: JSON.parse(process.env.FALLBACK_BUCKET_MAPPING || '{}'),
            copyOnMiss: process.env.COPY_ON_MISS === 'true'
          }
        : undefined,

    allowRedirects: process.env.ALLOW_REDIRECTS === 'true'
  },

  path: {
    uploadFolder: Path.resolve(__dirname + '/../uploads')
  },

  commands: {
    // Any commands to wrap the convert utility in, for example ["nice"], or ["firejail", "--profile=/etc/firejail/convert.profile"]
    convertCommandPrefix: []
  },

  enableConversions: process.env.ENABLE_CONVERSIONS === 'true',

  sentry: {
    dsn: process.env.SENTRY_DSN
  }
}

// Filestore health check
// ----------------------
// Project and file details to check in persistor when calling /health_check
if (
  process.env.HEALTH_CHECK_PROJECT_ID != null &&
  process.env.HEALTH_CHECK_FILE_ID != null
) {
  settings.health_check = {
    project_id: process.env.HEALTH_CHECK_PROJECT_ID,
    file_id: process.env.HEALTH_CHECK_FILE_ID
  }
}

module.exports = settings