# frozen_string_literal: true

Doorkeeper.configure do
  # Change the ORM that doorkeeper will use.
  # Currently supported options are :active_record, :mongoid2, :mongoid3, :mongo_mapper
  orm :active_record

  # Restore to pre-5.1 generator due to breaking change.
  # See https://gitlab.com/gitlab-org/gitlab/-/issues/244371
  default_generator_method :hex

  # This block will be called to check whether the resource owner is authenticated or not.
  resource_owner_authenticator do
    # Put your resource owner authentication logic here.
    if current_user
      current_user
    else
      # Ensure user is redirected to redirect_uri after login
      session[:user_return_to] = request.fullpath
      redirect_to(new_user_session_url)
      nil
    end
  end

  resource_owner_from_credentials do |routes|
    user = Gitlab::Auth.find_with_user_password(params[:username], params[:password], increment_failed_attempts: true)

    next unless user
    next if user.two_factor_enabled? || Gitlab::Auth::TwoFactorAuthVerifier.new(user).two_factor_authentication_enforced?

    user
  end

  # If you want to restrict access to the web interface for adding oauth authorized applications, you need to declare the block below.
  # admin_authenticator do
  #   # Put your admin authentication logic here.
  #   # Example implementation:
  #   Admin.find_by_id(session[:admin_id]) || redirect_to(new_admin_session_url)
  # end

  # Authorization Code expiration time (default 10 minutes).
  # authorization_code_expires_in 10.minutes

  # Reuse access token for the same resource owner within an application (disabled by default)
  # Rationale: https://github.com/doorkeeper-gem/doorkeeper/issues/383
  # reuse_access_token

  # Issue access tokens with refresh token (disabled by default)
  use_refresh_token

  # Forbids creating/updating applications with arbitrary scopes that are
  # not in configuration, i.e. `default_scopes` or `optional_scopes`.
  # (disabled by default)
  enforce_configured_scopes

  # Forces the usage of the HTTPS protocol in non-native redirect uris (enabled
  # by default in non-development environments). OAuth2 delegates security in
  # communication to the HTTPS protocol so it is wise to keep this enabled.
  #
  force_ssl_in_redirect_uri false

  # Specify what redirect URI's you want to block during Application creation.
  # Any redirect URI is whitelisted by default.
  #
  # You can use this option in order to forbid URI's with 'javascript' scheme
  # for example.
  forbid_redirect_uri { |uri| %w[data vbscript javascript].include?(uri.scheme.to_s.downcase) }

  # Provide support for an owner to be assigned to each registered application (disabled by default)
  # Optional parameter confirmation: true (default false) if you want to enforce ownership of
  # a registered application
  # Note: you must also run the rails g doorkeeper:application_owner generator to provide the necessary support
  enable_application_owner confirmation: false

  # Define access token scopes for your provider
  # For more information go to
  # https://github.com/doorkeeper-gem/doorkeeper/wiki/Using-Scopes
  default_scopes(*Gitlab::Auth::DEFAULT_SCOPES)
  optional_scopes(*Gitlab::Auth.optional_scopes)

  # Change the way client credentials are retrieved from the request object.
  # By default it retrieves first from the `HTTP_AUTHORIZATION` header, then
  # falls back to the `:client_id` and `:client_secret` params from the `params` object.
  # Check out the wiki for more information on customization
  # client_credentials :from_basic, :from_params

  # Change the way access token is authenticated from the request object.
  # By default it retrieves first from the `HTTP_AUTHORIZATION` header, then
  # falls back to the `:access_token` or `:bearer_token` params from the `params` object.
  # Check out the wiki for more information on customization
  access_token_methods :from_access_token_param, :from_bearer_authorization, :from_bearer_param

  hash_token_secrets using: '::Gitlab::DoorkeeperSecretStoring::Token::Pbkdf2Sha512', fallback: :plain

  hash_application_secrets using: '::Gitlab::DoorkeeperSecretStoring::Secret::Pbkdf2Sha512', fallback: :plain

  # Specify what grant flows are enabled in array of Strings. The valid
  # strings and the flows they enable are:
  #
  # "authorization_code" => Authorization Code Grant Flow
  # "password"           => Resource Owner Password Credentials Grant Flow
  # "client_credentials" => Client Credentials Grant Flow
  #
  grant_flows %w(authorization_code password client_credentials)

  # Under some circumstances you might want to have applications auto-approved,
  # so that the user skips the authorization step.
  # For example if dealing with trusted a application.
  skip_authorization do |resource_owner, client|
    client.application.trusted?
  end

  # WWW-Authenticate Realm (default "Doorkeeper").
  # realm "Doorkeeper"

  base_controller '::Gitlab::BaseDoorkeeperController'

  # Allow Resource Owner Password Credentials Grant without client credentials,
  # this was disabled by default in Doorkeeper 5.5.
  #
  # We might want to disable this in the future, see https://gitlab.com/gitlab-org/gitlab/-/issues/323615
  skip_client_authentication_for_password_grant true
end

module Doorkeeper
  class AccessToken
    # Doorkeeper OAuth Token refresh uses expires_in of refresh token for new token
    # https://github.com/doorkeeper-gem/doorkeeper/pull/1366
    # This override ensures that tokens with expires_in: nil do not create new
    # tokens with expires_in: nil during refresh flow.
    # Can be removed after https://gitlab.com/gitlab-org/gitlab/-/issues/386094 is
    # closed
    def expires_in
      super || 2.hours
    end
  end
end