index.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

'use strict'

var fs = require('fs')
var path = require('path')
var url = require('url')
var convict = require('convict')
var DEFAULT_SUPPORTED_LANGUAGES = require('./supportedLanguages')

const ONE_DAY = 1000 * 60 * 60 * 24
const ONE_YEAR = ONE_DAY * 365
const FIVE_MINUTES = 1000 * 60 * 5

var conf = convict({
  env: {
    doc: 'The current node.js environment',
    default: 'prod',
    format: [ 'dev', 'test', 'stage', 'prod' ],
    env: 'NODE_ENV'
  },
  geodb: {
    dbPath: {
      doc: 'Path to the maxmind database file',
      default: path.resolve(__dirname, '../node_modules/fxa-geodb/db/cities-db.mmdb'),
      env: 'GEODB_DBPATH',
      format: String
    },
    enabled: {
      doc: 'kill-switch for geodb',
      default: true,
      env: 'GEODB_ENABLED',
      format: Boolean
    }
  },
  log: {
    app: {
      default: 'fxa-auth-server',
      env: 'LOG_APP_NAME'
    },
    level: {
      default: 'info',
      env: 'LOG_LEVEL'
    },
    fmt: {
      format: ['heka', 'pretty'],
      default: 'heka',
      env: 'LOG_FORMAT'
    }
  },
  memcached: {
    address: {
      doc: 'Address:port of the memcached server (or `none` to disable memcached)',
      default: '127.0.0.1:11211',
      env: 'MEMCACHE_METRICS_CONTEXT_ADDRESS'
    },
    idle: {
      doc: 'Idle timeout for memcached connections (milliseconds)',
      format: Number,
      default: 30000,
      env: 'MEMCACHE_METRICS_CONTEXT_IDLE'
    },
    lifetime: {
      doc: 'Lifetime for memcached values (seconds)',
      format: 'nat',
      default: 7200,
      env: 'MEMCACHE_METRICS_CONTEXT_LIFETIME'
    }
  },
  publicUrl: {
    format: 'url',
    default: 'http://127.0.0.1:9000',
    env: 'PUBLIC_URL'
  },
  domain: {
    format: 'url',
    doc: 'Derived automatically from publicUrl',
    default: undefined
  },
  secretKeyFile: {
    format: String,
    default: path.resolve(__dirname, '../config/secret-key.json'),
    env: 'SECRET_KEY_FILE'
  },
  publicKeyFile: {
    format: String,
    default: path.resolve(__dirname, '../config/public-key.json'),
    env: 'PUBLIC_KEY_FILE'
  },
  oldPublicKeyFile: {
    format: String,
    doc: 'Previous publicKeyFile, used for key rotation',
    default: undefined,
    env: 'OLD_PUBLIC_KEY_FILE'
  },
  vapidKeysFile: {
    doc: 'Keys to use for VAPID in push notifications',
    format: String,
    default: path.resolve(__dirname, '../config/vapid-keys.json'),
    env: 'VAPID_KEYS_FILE'
  },
  db: {
    backend: {
      default: 'httpdb',
      env: 'DB_BACKEND'
    },
    connectionRetry: {
      default: '10 seconds',
      env: 'DB_CONNECTION_RETRY',
      doc: 'Time in milliseconds to retry a database connection attempt',
      format: 'duration'
    },
    connectionTimeout: {
      default: '5 minutes',
      env: 'DB_CONNECTION_TIMEOUT',
      doc: 'Timeout in milliseconds after which the mailer will stop trying to connect to the database',
      format: 'duration'
    },
    poolee: {
      timeout: {
        default: '5 seconds',
        format: 'duration',
        env: 'DB_POOLEE_TIMEOUT',
        doc: 'Time in milliseconds to wait for db query completion'
      },
      maxPending: {
        default: 1000,
        format: 'int',
        env: 'DB_POOLEE_MAX_PENDING',
        doc: 'Number of pending requests to auth-db-mysql to allow'
      }
    }
  },
  httpdb: {
    url: {
      doc: 'database api url',
      default: 'http://127.0.0.1:8000',
      env: 'HTTPDB_URL'
    }
  },
  listen: {
    host: {
      doc: 'The ip address the server should bind',
      default: '127.0.0.1',
      format: 'ipaddress',
      env: 'IP_ADDRESS'
    },
    port: {
      doc: 'The port the server should bind',
      default: 9000,
      format: 'port',
      env: 'PORT'
    }
  },
  customsUrl: {
    doc: 'fraud / abuse server url; set to the string \'none\' to disable',
    default: 'http://127.0.0.1:7000',
    env: 'CUSTOMS_SERVER_URL'
  },
  contentServer: {
    url: {
      doc: 'The url of the corresponding fxa-content-server instance',
      default: 'http://127.0.0.1:3030',
      env: 'CONTENT_SERVER_URL'
    }
  },
  emailService: {
    host: {
      doc: 'host for fxa-email-service',
      format: 'ipaddress',
      default: '127.0.0.1',
      env: 'EMAIL_SERVICE_HOST'
    },
    port: {
      doc: 'port for fxa-email-service',
      format: 'port',
      default: 8001,
      env: 'EMAIL_SERVICE_PORT'
    },
    forcedEmailAddresses: {
      doc: 'force usage of fxa-email-service when sending emails to addresses that match this pattern',
      format: RegExp,
      default: /emailservice\.[A-Za-z0-9._%+-]+@restmail\.net$/,
      env: 'EMAIL_SERVICE_FORCE_EMAIL_REGEX'
    },
  },
  smtp: {
    api: {
      host: {
        doc: 'host for test/mail_helper.js',
        default: '127.0.0.1',
        env: 'MAILER_HOST'
      },
      port: {
        doc: 'port for test/mail_helper.js',
        default: 9001,
        env: 'MAILER_PORT'
      }
    },
    host: {
      doc: 'SMTP host for sending email',
      default: 'localhost',
      env: 'SMTP_HOST'
    },
    port: {
      doc: 'SMTP port',
      default: 25,
      env: 'SMTP_PORT'
    },
    secure: {
      doc: 'Connect to SMTP host securely',
      default: false,
      env: 'SMTP_SECURE'
    },
    user: {
      doc: 'SMTP username',
      format: String,
      default: undefined,
      env: 'SMTP_USER'
    },
    password: {
      doc: 'SMTP password',
      format: String,
      default: undefined,
      env: 'SMTP_PASS'
    },
    sender: {
      doc: 'email address of the sender',
      default: 'Firefox Accounts <no-reply@lcip.org>',
      env: 'SMTP_SENDER'
    },
    prependVerificationSubdomain: {
      enabled: {
        doc: 'Flag to prepend a verification subdomain to verification emails',
        default: false,
        env: 'PREPEND_VERIFICATION_SUBDOMAIN_ENABLED'
      },
      subdomain: {
        doc: 'Prepend this subdomain',
        format: String,
        default: 'confirm',
        env: 'PREPEND_VERIFICATION_SUBDOMAIN_SUBDOMAIN'
      },
    },
    verificationUrl: {
      doc: 'Deprecated. uses contentServer.url',
      format: String,
      default: undefined,
      env: 'VERIFY_URL',
      arg: 'verify-url'
    },
    verifyLoginUrl: {
      doc: 'Deprecated. uses contentServer.url',
      format: String,
      default: undefined,
      env: 'VERIFY_LOGIN_URL',
      arg: 'verify-login-url'
    },
    passwordResetUrl: {
      doc: 'Deprecated. uses contentServer.url',
      format: String,
      default: undefined,
      env: 'RESET_URL',
      arg: 'reset-url'
    },
    initiatePasswordResetUrl: {
      doc: 'Deprecated. uses contentServer.url',
      format: String,
      default: undefined
    },
    syncUrl: {
      doc: 'url to Sync product page',
      format: String,
      default: 'https://accounts.firefox.com/connect_another_device/'
    },
    androidUrl: {
      doc: 'url to Android product page',
      format: String,
      default: 'https://app.adjust.com/2uo1qc?campaign=fxa-conf-email&adgroup=android&creative=button&utm_source=email'
    },
    iosUrl: {
      doc: 'url to IOS product page',
      format: String,
      default: 'https://app.adjust.com/2uo1qc?campaign=fxa-conf-email&adgroup=ios&creative=button&fallback=https%3A%2F%2Fitunes.apple.com%2Fapp%2Fapple-store%2Fid989804926%3Fpt%3D373246%26ct%3Dadjust_tracker%26mt%3D8&utm_source=email'
    },
    supportUrl: {
      doc: 'url to Mozilla Support product page',
      format: String,
      default: 'https://support.mozilla.org/kb/im-having-problems-with-my-firefox-account'
    },
    redirectDomain: {
      doc: 'Domain that mail urls are allowed to redirect to',
      format: String,
      default: 'firefox.com',
      env: 'REDIRECT_DOMAIN'
    },
    privacyUrl: {
      doc: 'url to Mozilla privacy page',
      format: String,
      default: 'https://www.mozilla.org/privacy'
    },
    passwordManagerInfoUrl: {
      doc: 'url to Firefox password manager information',
      format: String,
      default: 'https://support.mozilla.org/kb/password-manager-remember-delete-change-and-import#w_viewing-and-deleting-passwords'
    },
    sesConfigurationSet: {
      doc: ('AWS SES Configuration Set for SES Event Publishing. If defined, ' +
            'X-SES-MESSAGE-TAGS headers will be added to emails. Only ' +
            'intended for Production/Stage use.'),
      format: String,
      default: '',
      env: 'SES_CONFIGURATION_SET'
    },
    bounces: {
      enabled: {
        doc: 'Flag to enable checking for bounces before sending email',
        default: true,
        env: 'BOUNCES_ENABLED'
      },
      complaint: {
        doc: 'Tiers of max allowed complaints per amount of milliseconds',
        default: {
          // 0 are allowed in the past day.
          // 1 is allowed in the past year.
          0: ONE_DAY,
          1: ONE_YEAR
        },
        env: 'BOUNCES_COMPLAINT'
      },
      hard: {
        doc: 'Tiers of max allowed hard bounces per amount of milliseconds',
        default: {
          // 0 are allowed in the past day.
          // 1 is allowed in the past year.
          0: ONE_DAY,
          1: ONE_YEAR
        },
        env: 'BOUNCES_HARD'
      },
      soft: {
        doc: 'Tiers of max allowed soft bounces per amount of milliseconds',
        default: {
          0: FIVE_MINUTES
        },
        env: 'BOUNCES_SOFT'
      }
    }
  },
  maxEventLoopDelay: {
    doc: 'Max event-loop delay before which incoming requests are rejected',
    default: 0,
    env: 'MAX_EVENT_LOOP_DELAY'
  },
  scrypt: {
    maxPending: {
      doc: 'Max number of scrypt hash operations that can be pending',
      default: 0,
      env: 'SCRYPT_MAX_PENDING'
    }
  },
  i18n: {
    defaultLanguage: {
      format: String,
      default: 'en',
      env: 'DEFAULT_LANG'
    },
    supportedLanguages: {
      format: Array,
      default: DEFAULT_SUPPORTED_LANGUAGES,
      env: 'SUPPORTED_LANGS'
    }
  },
  redis: {
    host: {
      default: '127.0.0.1',
      env: 'REDIS_HOST',
      format: String,
      doc: 'IP address or host name for Redis server',
    },
    port: {
      default: 6379,
      env: 'REDIS_PORT',
      format: 'port',
      doc: 'Port for Redis server'
    },
    sessionTokens: {
      enabled: {
        default: true,
        doc: 'Enable Redis for session tokens',
        format: Boolean,
        env: 'USE_REDIS'
      },
      prefix: {
        default: 'fxa-auth-session',
        env: 'SESSIONS_REDIS_KEY_PREFIX',
        format: String,
        doc: 'Key prefix for session tokens in Redis'
      },
      maxConnections: {
        default: 200,
        env: 'REDIS_POOL_MAX_CONNECTIONS',
        format: 'int',
        doc: 'Maximum connection count for the session token Redis pool'
      },
      minConnections: {
        default: 2,
        env: 'REDIS_POOL_MIN_CONNECTIONS',
        format: 'int',
        doc: 'Minimum connection count for the session token Redis pool'
      }
    },
    email: {
      enabled: {
        default: true,
        doc: 'Enable Redis for email config',
        format: Boolean,
        env: 'EMAIL_CONFIG_USE_REDIS'
      },
      prefix: {
        default: 'email:',
        env: 'EMAIL_CONFIG_REDIS_KEY_PREFIX',
        format: String,
        doc: 'Key prefix for the email config Redis pool'
      },
      maxConnections: {
        default: 10,
        env: 'EMAIL_CONFIG_REDIS_POOL_MAX_CONNECTIONS',
        format: 'int',
        doc: 'Maximum connection count for the email config Redis pool'
      },
      minConnections: {
        default: 1,
        env: 'EMAIL_CONFIG_REDIS_POOL_MIN_CONNECTIONS',
        format: 'int',
        doc: 'Minimum connection count for the email config Redis pool'
      }
    },
    maxPending: {
      default: 1000,
      env: 'REDIS_POOL_MAX_PENDING',
      format: 'int',
      doc: 'Pending request limit for Redis'
    },
    retryCount: {
      default: 5,
      env: 'REDIS_POOL_RETRY_COUNT',
      format: 'int',
      doc: 'Retry limit for Redis connection attempts'
    },
    initialBackoff: {
      default: '100 milliseconds',
      env: 'REDIS_POOL_TIMEOUT',
      format: 'duration',
      doc: 'Initial backoff for Redis connection retries, increases exponentially with each attempt'
    }
  },
  tokenLifetimes: {
    accountResetToken: {
      format: 'duration',
      env: 'ACCOUNT_RESET_TOKEN_TTL',
      default: '15 minutes'
    },
    passwordForgotToken: {
      format: 'duration',
      env: 'PASSWORD_FORGOT_TOKEN_TTL',
      default: '60 minutes'
    },
    passwordChangeToken: {
      format: 'duration',
      env: 'PASSWORD_CHANGE_TOKEN_TTL',
      default: '15 minutes'
    },
    sessionTokenWithoutDevice: {
      doc: 'Maximum age for session tokens without a device record, specify zero to disable',
      format: 'duration',
      env: 'SESSION_TOKEN_WITHOUT_DEVICE_TTL',
      default: '4 weeks'
    }
  },
  tokenPruning: {
    enabled: {
      doc: 'Turn on Redis token pruning',
      format: Boolean,
      default: true,
      env: 'TOKEN_PRUNING_ENABLED'
    },
    maxAge: {
      doc: 'Age at which to prune expired tokens from Redis',
      format: 'duration',
      default: '1 month',
      env: 'TOKEN_PRUNING_MAX_AGE'
    }
  },
  verifierVersion: {
    doc: 'verifer version for new and changed passwords',
    format: 'int',
    env: 'VERIFIER_VERSION',
    default: 1
  },
  snsTopicArn: {
    doc: 'Amazon SNS topic on which to send account event notifications. Set to "disabled" to turn off the notifier',
    format: String,
    env: 'SNS_TOPIC_ARN',
    default: ''
  },
  snsTopicEndpoint: {
    doc: 'Amazon SNS topic endpoint',
    format: String,
    env: 'SNS_TOPIC_ENDPOINT',
    default: undefined
  },
  emailNotifications: {
    region: {
      doc: 'The region where the queues live, most likely the same region we are sending email e.g. us-east-1, us-west-2',
      format: String,
      env: 'BOUNCE_REGION',
      default: ''
    },
    bounceQueueUrl: {
      doc: 'The bounce queue URL to use (should include https://sqs.<region>.amazonaws.com/<account-id>/<queue-name>)',
      format: String,
      env: 'BOUNCE_QUEUE_URL',
      default: ''
    },
    complaintQueueUrl: {
      doc: 'The complaint queue URL to use (should include https://sqs.<region>.amazonaws.com/<account-id>/<queue-name>)',
      format: String,
      env: 'COMPLAINT_QUEUE_URL',
      default: ''
    },
    deliveryQueueUrl: {
      doc: 'The email delivery queue URL to use (should include https://sqs.<region>.amazonaws.com/<account-id>/<queue-name>)',
      format: String,
      env: 'DELIVERY_QUEUE_URL',
      default: ''
    },
    notificationQueueUrl: {
      doc: 'Queue URL for notifications from fxa-email-service (eventually this will be the only email-related queue)',
      format: String,
      env: 'NOTIFICATION_QUEUE_URL',
      default: ''
    }
  },
  profileServerMessaging: {
    region: {
      doc: 'The region where the queues live',
      format: String,
      env: 'PROFILE_MESSAGING_REGION',
      default: ''
    },
    profileUpdatesQueueUrl: {
      doc: 'The queue URL to use (should include https://sqs.<region>.amazonaws.com/<account-id>/<queue-name>)',
      format: String,
      env: 'PROFILE_UPDATES_QUEUE_URL',
      default: ''
    }
  },
  useHttps: {
    doc: 'set to true to serve directly over https',
    env: 'USE_TLS',
    default: false
  },
  keyPath: {
    doc: 'path to SSL key in PEM format if serving over https',
    env: 'TLS_KEY_PATH',
    default: path.resolve(__dirname, '../key.pem')
  },
  certPath: {
    doc: 'path to SSL certificate in PEM format if serving over https',
    env: 'TLS_CERT_PATH',
    default: path.resolve(__dirname, '../cert.pem')
  },
  lockoutEnabled: {
    doc: 'Is account lockout enabled',
    format: Boolean,
    env: 'LOCKOUT_ENABLED',
    default: false
  },
  // A safety switch to disable device metadata updates,
  // in case problems with the client logic cause server overload.
  deviceUpdatesEnabled: {
    doc: 'Are updates to device metadata enabled?',
    format: Boolean,
    env: 'DEVICE_UPDATES_ENABLED',
    default: true
  },
  // A safety switch to disable device-driven notifications,
  // in case problems with the client logic cause server overload.
  deviceNotificationsEnabled: {
    doc: 'Are device-driven notifications enabled?',
    format: Boolean,
    env: 'DEVICE_NOTIFICATIONS_ENABLED',
    default: true
  },
  oauth: {
    url: {
      format: 'url',
      doc: 'URL at which to verify OAuth tokens',
      default: 'http://localhost:9010',
      env: 'OAUTH_URL'
    },
    keepAlive: {
      format: Boolean,
      doc: 'Use HTTP keep-alive connections when talking to oauth server',
      env: 'OAUTH_KEEPALIVE',
      default: false
    },
    clientIds: {
      doc: 'Mappings from client id to service name: { "id1": "name-1", "id2": "name-2" }',
      format: Object,
      default: {},
      env: 'OAUTH_CLIENT_IDS'
    },
    clientInfoCacheTTL: {
      doc: 'TTL for OAuth client details (in milliseconds)',
      format: 'duration',
      default: '3 days',
      env: 'OAUTH_CLIENT_INFO_CACHE_TTL'
    }
  },
  metrics: {
    flow_id_key: {
      default: 'YOU MUST CHANGE ME',
      doc: 'FlowId validation key, as used by content-server',
      format: String,
      env: 'FLOW_ID_KEY'
    },
    flow_id_expiry: {
      doc: 'Time after which flowIds are considered stale.',
      format: 'duration',
      default: '2 hours',
      env: 'FLOW_ID_EXPIRY'
    }
  },
  corsOrigin: {
    doc: 'Value for the Access-Control-Allow-Origin response header',
    format: Array,
    env: 'CORS_ORIGIN',
    default: ['*']
  },
  clientAddressDepth: {
    doc: 'location of the client ip address in the remote address chain',
    format: Number,
    env: 'CLIENT_ADDRESS_DEPTH',
    default: 3
  },
  signinConfirmation: {
    forcedEmailAddresses: {
      doc: 'Force sign-in confirmation for email addresses matching this regex.',
      format: RegExp,
      default: /.+@mozilla\.com$/,
      env: 'SIGNIN_CONFIRMATION_FORCE_EMAIL_REGEX'
    },
    skipForNewAccounts: {
      enabled: {
        doc: 'Skip sign-in confirmation for newly-created accounts.',
        default: true,
        env: 'SIGNIN_CONFIRMATION_SKIP_FOR_NEW_ACCOUNTS'
      },
      maxAge: {
        doc: 'Maximum age at which an account is considered "new".',
        format: 'duration',
        default: '4 hours',
        env: 'SIGNIN_CONFIRMATION_MAX_AGE_OF_NEW_ACCOUNTS'
      }
    },
    tokenVerificationCode: {
      codeLength: {
        doc: 'Number of digits to make up a token code',
        default: 6,
        env: 'SIGNIN_TOKEN_CODE_LENGTH'
      },
      codeLifetime: {
        doc: 'How long code should be valid for',
        format: 'duration',
        default: '20 minutes',
        env: 'SIGNIN_TOKEN_CODE_LIFETIME'
      },
    }
  },
  securityHistory: {
    ipProfiling: {
      allowedRecency: {
        doc: 'Length of time since previously verified event to allow skipping confirmation',
        default: '72 hours',
        format: 'duration',
        env: 'IP_PROFILING_RECENCY'
      }
    }
  },
  lastAccessTimeUpdates: {
    enabled: {
      doc: 'enable updates to the lastAccessTime session token property',
      format: Boolean,
      default: true,
      env: 'LASTACCESSTIME_UPDATES_ENABLED'
    },
    sampleRate: {
      doc: 'sample rate for updates to the lastAccessTime session token property, in the range 0..1',
      format: Number,
      default: 0.3,
      env: 'LASTACCESSTIME_UPDATES_SAMPLE_RATE'
    },
    earliestSaneTimestamp: {
      doc: 'timestamp used as the basis of the fallback value for lastAccessTimeFormatted, currently pinned to the deployment of 1.96.4 / a0940d7dc51e2ba20fa18aa3a830810e35c9a9d9',
      format: 'timestamp',
      default: 1507081020000,
      env: 'LASTACCESSTIME_EARLIEST_SANE_TIMESTAMP'
    }
  },
  signinUnblock: {
    codeLength: {
      doc: 'Number of alphanumeric digits to make up an unblockCode',
      default: 8,
      env: 'SIGNIN_UNBLOCK_CODE_LENGTH'
    },
    codeLifetime: {
      doc: 'How long an unblockCode should be valid for',
      format: 'duration',
      default: '1 hour',
      env: 'SIGNIN_UNBLOCK_CODE_LIFETIME'
    },
    forcedEmailAddresses: {
      doc: 'If feature enabled, force sign-in unblock for email addresses matching this regex.',
      format: RegExp,
      default: '^$', // default is no one
      env: 'SIGNIN_UNBLOCK_FORCED_EMAILS'
    }
  },
  hpkpConfig: {
    enabled: {
      default: false,
      doc: 'Feature flag for appending HPKP headers',
      format: Boolean,
      env: 'HPKP_ENABLE'
    },
    reportOnly: {
      default: true,
      doc: 'Enable report only mode',
      format: Boolean,
      env: 'HPKP_REPORT_ONLY'
    },
    reportUri: {
      default: '',
      doc: 'Enable report only mode',
      format: String,
      env: 'HPKP_REPORT_URI'
    },
    includeSubDomains: {
      default: true,
      doc: 'Include Sub-Domains',
      format: Boolean,
      env: 'HPKP_INCLUDE_SUBDOMAINS'
    },
    maxAge: {
      default: 1,
      doc: 'Max age for HPKP headers (seconds)',
      format: Number,
      env: 'HPKP_MAX_AGE'
    },
    sha256s: {
      default: [],
      doc: 'Supported pin-sha256s',
      format: Array,
      env: 'HPKP_PIN_SHA256'
    }
  },
  push: {
    allowedServerRegex: {
      doc: 'RegExp that validates the URI format of the Push Server',
      format: RegExp,
      default: /^https:\/\/[a-zA-Z0-9._-]+(\.services\.mozilla\.com|autopush\.dev\.mozaws\.net|autopush\.stage\.mozaws\.net)(?:\:\d+)?(\/.*)?$/
    }
  },
  pushbox: {
    enabled: {
      doc: 'Indicates whether talking to the Pushbox server is enabled',
      format: Boolean,
      default: false,
      env: 'PUSHBOX_ENABLED'
    },
    url: {
      doc: 'Pushbox Server URL',
      format: 'url',
      default: 'https://pushbox.services.mozilla.com/',
      env: 'PUSHBOX_URL'
    },
    key: {
      doc: 'Authentication key to use when accessing pushbox server',
      format: String,
      default: 'Correct_Horse_Battery_Staple_1',
      env: 'PUSHBOX_KEY'
    },
    maxTTL: {
      doc: 'Maximum TTL to set on items written to pushbox',
      format: 'duration',
      default: '28 days',
      env: 'PUSHBOX_MAX_TTL'
    }
  },
  sms: {
    enabled: {
      doc: 'Indicates whether POST /sms is enabled',
      default: true,
      format: Boolean,
      env: 'SMS_ENABLED'
    },
    useMock: {
      doc: 'Use a mock SMS provider implementation, for functional testing',
      default: false,
      format: Boolean,
      env: 'SMS_USE_MOCK'
    },
    isStatusGeoEnabled: {
      doc: 'Indicates whether the status endpoint should do geo-ip lookup',
      default: true,
      format: Boolean,
      env: 'SMS_STATUS_GEO_ENABLED'
    },
    apiRegion: {
      doc: 'AWS region',
      default: 'us-east-1',
      format: String,
      env: 'SMS_API_REGION'
    },
    countryCodes: {
      doc: 'Allow sending SMS to these ISO 3166-1 alpha-2 country codes',
      default: ['AT', 'AU', 'BE', 'CA', 'DE', 'DK', 'ES', 'FR', 'GB', 'IT', 'LU', 'NL', 'PT', 'US'],
      format: Array,
      env: 'SMS_COUNTRY_CODES'
    },
    installFirefoxLink: {
      doc: 'Link for the installFirefox SMS template',
      default: 'https://mzl.la/firefoxapp',
      format: 'url',
      env: 'SMS_INSTALL_FIREFOX_LINK'
    },
    installFirefoxWithSigninCodeBaseUri: {
      doc: 'Base URI for the SMS template when the signinCodes feature is active',
      default: 'https://accounts.firefox.com/m',
      format: 'url',
      env: 'SMS_SIGNIN_CODES_BASE_URI'
    },
    enableBudgetChecks: {
      doc: 'enable checks of the monthly SMS spend against the available budget',
      default: true,
      format: Boolean,
      env: 'SMS_ENABLE_BUDGET_CHECKS'
    },
    minimumCreditThresholdUSD: {
      doc: 'The minimum amount of available credit that is necessary to enable SMS, in US dollars',
      default: 200,
      format: 'nat',
      env: 'SMS_MINIMUM_CREDIT_THRESHOLD'
    }
  },
  secondaryEmail: {
    minUnverifiedAccountTime: {
      doc: 'The minimum amount of time an account can be unverified before another account can use it for secondary email',
      default: '1 day',
      format: 'duration',
      env: 'SECONDARY_EMAIL_MIN_UNVERIFIED_ACCOUNT_TIME'
    }
  },
  signinCodeSize: {
    doc: 'signinCode size in bytes',
    default: 6,
    format: 'nat',
    env: 'SIGNIN_CODE_SIZE'
  },
  emailStatusPollingTimeout: {
    doc: 'how long before emails status polling is considered stale',
    default: '1 month',
    format: 'duration',
    env: 'EMAIL_STATUS_POLLING_TIMEOUT'
  },
  sentryDsn: {
    doc: 'Sentry DSN for error and log reporting',
    default: '',
    format: 'String',
    env: 'SENTRY_DSN'
  },
  totp: {
    serviceName: {
      doc: 'Default service name to appear in authenticator',
      default: 'Firefox',
      format: 'String',
      env: 'TOTP_SERVICE_NAME'
    },
    step: {
      doc: 'Default time step size (seconds)',
      default: 30,
      format: 'nat',
      env: 'TOTP_STEP_SIZE'
    },
    window: {
      doc: 'Tokens in the previous x-windows that should be considered valid',
      default: 1,
      format: 'nat',
      env: 'TOTP_WINDOW'
    },
    recoveryCodes: {
      count: {
        doc: 'Number of recovery codes to create',
        default: 8,
        env: 'RECOVERY_CODE_COUNT'
      },
      notifyLowCount: {
        doc: 'Notify the user when there are less than these many recovery codes',
        default: 2,
        env: 'RECOVERY_CODE_NOTIFY_LOW_COUNT'
      }
    }
  }
})

// handle configuration files.  you can specify a CSV list of configuration
// files to process, which will be overlayed in order, in the CONFIG_FILES
// environment variable.

var envConfig = path.join(__dirname, conf.get('env') + '.json')
envConfig = envConfig + ',' + (process.env.CONFIG_FILES || '')
var files = envConfig.split(',').filter(fs.existsSync)
conf.loadFile(files)
conf.validate({ allowed: 'strict' })

// set the public url as the issuer domain for assertions
conf.set('domain', url.parse(conf.get('publicUrl')).host)

// derive fxa-auth-mailer configuration from our content-server url
conf.set('smtp.accountSettingsUrl', conf.get('contentServer.url') + '/settings')
conf.set('smtp.accountRecoveryCodesUrl', conf.get('contentServer.url') + '/settings/two_step_authentication/recovery_codes')
conf.set('smtp.verificationUrl', conf.get('contentServer.url') + '/verify_email')
conf.set('smtp.passwordResetUrl', conf.get('contentServer.url') + '/complete_reset_password')
conf.set('smtp.initiatePasswordResetUrl', conf.get('contentServer.url') + '/reset_password')
conf.set('smtp.initiatePasswordChangeUrl', conf.get('contentServer.url') + '/settings/change_password')
conf.set('smtp.verifyLoginUrl', conf.get('contentServer.url') + '/complete_signin')
conf.set('smtp.reportSignInUrl', conf.get('contentServer.url') + '/report_signin')
conf.set('smtp.revokeAccountRecoveryUrl', conf.get('contentServer.url') + '/settings/account_recovery/confirm_revoke')
conf.set('smtp.createAccountRecoveryUrl', conf.get('contentServer.url') + '/settings/account_recovery/confirm_password')
conf.set('smtp.verifyPrimaryEmailUrl', conf.get('contentServer.url') + '/verify_primary_email')
conf.set('smtp.verifySecondaryEmailUrl', conf.get('contentServer.url') + '/verify_secondary_email')

conf.set('isProduction', conf.get('env') === 'prod')

//sns endpoint is not to be set in production
if (conf.has('snsTopicEndpoint') && conf.get('env') !== 'dev') {
  throw new Error('snsTopicEndpoint is only allowed in dev env')
}

if (conf.get('env') === 'dev'){
  if (! process.env.AWS_ACCESS_KEY_ID) {
    process.env.AWS_ACCESS_KEY_ID = 'DEV_KEY_ID'
  }
  if (! process.env.AWS_SECRET_ACCESS_KEY) {
    process.env.AWS_SECRET_ACCESS_KEY = 'DEV_ACCESS_KEY'
  }
}

module.exports = conf