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[rails.git] / config / initializers / doorkeeper.rb

# frozen_string_literal: true

Rails.application.reloader.to_prepare do
  Doorkeeper.configure do
    # Change the ORM that doorkeeper will use (requires ORM extensions installed).
    # Check the list of supported ORMs here: https://github.com/doorkeeper-gem/doorkeeper#orms
    orm :active_record

    # This block will be called to check whether the resource owner is authenticated or not.
    resource_owner_authenticator do
      current_user
    end

    # If you didn't skip applications controller from Doorkeeper routes in your application routes.rb
    # file then you need to declare this block in order to restrict access to the web interface for
    # adding oauth authorized applications. In other case it will return 403 Forbidden response
    # every time somebody will try to access the admin web interface.

    admin_authenticator do
      current_user
    end

    # You can use your own model classes if you need to extend (or even override) default
    # Doorkeeper models such as `Application`, `AccessToken` and `AccessGrant.
    #
    # Be default Doorkeeper ActiveRecord ORM uses it's own classes:
    #
    # access_token_class "Doorkeeper::AccessToken"
    # access_grant_class "Doorkeeper::AccessGrant"
    # application_class "Doorkeeper::Application"
    #
    # Don't forget to include Doorkeeper ORM mixins into your custom models:
    #
    #   *  ::Doorkeeper::Orm::ActiveRecord::Mixins::AccessToken - for access token
    #   *  ::Doorkeeper::Orm::ActiveRecord::Mixins::AccessGrant - for access grant
    #   *  ::Doorkeeper::Orm::ActiveRecord::Mixins::Application - for application (OAuth2 clients)
    #
    # For example:
    #
    # access_token_class "MyAccessToken"
    #
    # class MyAccessToken < ApplicationRecord
    #   include ::Doorkeeper::Orm::ActiveRecord::Mixins::AccessToken
    #
    #   self.table_name = "hey_i_wanna_my_name"
    #
    #   def destroy_me!
    #     destroy
    #   end
    # end

    application_class "Oauth2Application"

    # Enables polymorphic Resource Owner association for Access Tokens and Access Grants.
    # By default this option is disabled.
    #
    # Make sure you properly setup you database and have all the required columns (run
    # `bundle exec rails generate doorkeeper:enable_polymorphic_resource_owner` and execute Rails
    # migrations).
    #
    # If this option enabled, Doorkeeper will store not only Resource Owner primary key
    # value, but also it's type (class name). See "Polymorphic Associations" section of
    # Rails guides: https://guides.rubyonrails.org/association_basics.html#polymorphic-associations
    #
    # [NOTE] If you apply this option on already existing project don't forget to manually
    # update `resource_owner_type` column in the database and fix migration template as it will
    # set NOT NULL constraint for Access Grants table.
    #
    # use_polymorphic_resource_owner

    # If you are planning to use Doorkeeper in Rails 5 API-only application, then you might
    # want to use API mode that will skip all the views management and change the way how
    # Doorkeeper responds to a requests.
    #
    # api_only

    # Enforce token request content type to application/x-www-form-urlencoded.
    # It is not enabled by default to not break prior versions of the gem.

    enforce_content_type

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

    # Access token expiration time (default: 2 hours).
    # If you want to disable expiration, set this to `nil`.

    access_token_expires_in nil

    # Assign custom TTL for access tokens. Will be used instead of access_token_expires_in
    # option if defined. In case the block returns `nil` value Doorkeeper fallbacks to
    # +access_token_expires_in+ configuration option value. If you really need to issue a
    # non-expiring access token (which is not recommended) then you need to return
    # Float::INFINITY from this block.
    #
    # `context` has the following properties available:
    #
    #   * `client` - the OAuth client application (see Doorkeeper::OAuth::Client)
    #   * `grant_type` - the grant type of the request (see Doorkeeper::OAuth)
    #   * `scopes` - the requested scopes (see Doorkeeper::OAuth::Scopes)
    #   * `resource_owner` - authorized resource owner instance (if present)
    #
    # custom_access_token_expires_in do |context|
    #   context.client.additional_settings.implicit_oauth_expiration
    # end

    # Use a custom class for generating the access token.
    # See https://doorkeeper.gitbook.io/guides/configuration/other-configurations#custom-access-token-generator
    #
    # access_token_generator '::Doorkeeper::JWT'

    # The controller +Doorkeeper::ApplicationController+ inherits from.
    # Defaults to +ActionController::Base+ unless +api_only+ is set, which changes the default to
    # +ActionController::API+. The return value of this option must be a stringified class name.
    # See https://doorkeeper.gitbook.io/guides/configuration/other-configurations#custom-controllers

    base_controller "ApplicationController"

    # Reuse access token for the same resource owner within an application (disabled by default).
    #
    # This option protects your application from creating new tokens before old valid one becomes
    # expired so your database doesn't bloat. Keep in mind that when this option is `on` Doorkeeper
    # doesn't updates existing token expiration time, it will create a new token instead.
    # Rationale: https://github.com/doorkeeper-gem/doorkeeper/issues/383
    #
    # You can not enable this option together with +hash_token_secrets+.

    reuse_access_token

    # In case you enabled `reuse_access_token` option Doorkeeper will try to find matching
    # token using `matching_token_for` Access Token API that searches for valid records
    # in batches in order not to pollute the memory with all the database records. By default
    # Doorkeeper uses batch size of 10 000 records. You can increase or decrease this value
    # depending on your needs and server capabilities.
    #
    # token_lookup_batch_size 10_000

    # Set a limit for token_reuse if using reuse_access_token option
    #
    # This option limits token_reusability to some extent.
    # If not set then access_token will be reused unless it expires.
    # Rationale: https://github.com/doorkeeper-gem/doorkeeper/issues/1189
    #
    # This option should be a percentage(i.e. (0,100])
    #
    # token_reuse_limit 100

    # Only allow one valid access token obtained via client credentials
    # per client. If a new access token is obtained before the old one
    # expired, the old one gets revoked (disabled by default)
    #
    # When enabling this option, make sure that you do not expect multiple processes
    # using the same credentials at the same time (e.g. web servers spanning
    # multiple machines and/or processes).
    #
    # revoke_previous_client_credentials_token

    # Hash access and refresh tokens before persisting them.
    # This will disable the possibility to use +reuse_access_token+
    # since plain values can no longer be retrieved.
    #
    # Note: If you are already a user of doorkeeper and have existing tokens
    # in your installation, they will be invalid without adding 'fallback: :plain'.
    #
    # hash_token_secrets
    # By default, token secrets will be hashed using the
    # +Doorkeeper::Hashing::SHA256+ strategy.
    #
    # If you wish to use another hashing implementation, you can override
    # this strategy as follows:

    hash_token_secrets :using => "::Doorkeeper::SecretStoring::Plain",
                       :fallback => "::Doorkeeper::SecretStoring::Sha256Hash"

    # Keep in mind that changing the hashing function will invalidate all existing
    # secrets, if there are any.

    # Hash application secrets before persisting them.

    hash_application_secrets

    # By default, applications will be hashed
    # with the +Doorkeeper::SecretStoring::SHA256+ strategy.
    #
    # If you wish to use bcrypt for application secret hashing, uncomment
    # this line instead:
    #
    # hash_application_secrets using: '::Doorkeeper::SecretStoring::BCrypt'

    # When the above option is enabled, and a hashed token or secret is not found,
    # you can allow to fall back to another strategy. For users upgrading
    # doorkeeper and wishing to enable hashing, you will probably want to enable
    # the fallback to plain tokens.
    #
    # This will ensure that old access tokens and secrets
    # will remain valid even if the hashing above is enabled.
    #
    # This can be done by adding 'fallback: plain', e.g. :
    #
    # hash_application_secrets using: '::Doorkeeper::SecretStoring::BCrypt', fallback: :plain

    # Issue access tokens with refresh token (disabled by default), you may also
    # pass a block which accepts `context` to customize when to give a refresh
    # token or not. Similar to +custom_access_token_expires_in+, `context` has
    # the following properties:
    #
    # `client` - the OAuth client application (see Doorkeeper::OAuth::Client)
    # `grant_type` - the grant type of the request (see Doorkeeper::OAuth)
    # `scopes` - the requested scopes (see Doorkeeper::OAuth::Scopes)
    #
    # use_refresh_token

    # 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 => true

    # Define access token scopes for your provider
    # For more information go to
    # https://doorkeeper.gitbook.io/guides/ruby-on-rails/scopes

    # default_scopes  :public
    optional_scopes(*Oauth::SCOPES, *Oauth::PRIVILEGED_SCOPES)

    # Allows to restrict only certain scopes for grant_type.
    # By default, all the scopes will be available for all the grant types.
    #
    # Keys to this hash should be the name of grant_type and
    # values should be the array of scopes for that grant type.
    # Note: scopes should be from configured_scopes (i.e. default or optional)
    #
    # scopes_by_grant_type password: [:write], client_credentials: [:update]

    # 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

    # 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 https://github.com/doorkeeper-gem/doorkeeper/wiki/Changing-how-clients-are-authenticated
    # 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 https://github.com/doorkeeper-gem/doorkeeper/wiki/Changing-how-clients-are-authenticated
    # for more information on customization

    access_token_methods :from_bearer_authorization

    # 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.
    #
    # Callable objects such as proc, lambda, block or any object that responds to
    # #call can be used in order to allow conditional checks (to allow non-SSL
    # redirects to localhost for example).

    force_ssl_in_redirect_uri do |uri|
      !Rails.env.development? && uri.host != "127.0.0.1"
    end

    # 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| uri.scheme.to_s.downcase == 'javascript' }

    # Allows to set blank redirect URIs for Applications in case Doorkeeper configured
    # to use URI-less OAuth grant flows like Client Credentials or Resource Owner
    # Password Credentials. The option is on by default and checks configured grant
    # types, but you **need** to manually drop `NOT NULL` constraint from `redirect_uri`
    # column for `oauth_applications` database table.
    #
    # You can completely disable this feature with:
    #
    # allow_blank_redirect_uri false
    #
    # Or you can define your custom check:
    #
    # allow_blank_redirect_uri do |grant_flows, client|
    #   client.superapp?
    # end

    # Specify how authorization errors should be handled.
    # By default, doorkeeper renders json errors when access token
    # is invalid, expired, revoked or has invalid scopes.
    #
    # If you want to render error response yourself (i.e. rescue exceptions),
    # set +handle_auth_errors+ to `:raise` and rescue Doorkeeper::Errors::InvalidToken
    # or following specific errors:
    #
    #   Doorkeeper::Errors::TokenForbidden, Doorkeeper::Errors::TokenExpired,
    #   Doorkeeper::Errors::TokenRevoked, Doorkeeper::Errors::TokenUnknown
    #
    # handle_auth_errors :raise

    # Customize token introspection response.
    # Allows to add your own fields to default one that are required by the OAuth spec
    # for the introspection response. It could be `sub`, `aud` and so on.
    # This configuration option can be a proc, lambda or any Ruby object responds
    # to `.call` method and result of it's invocation must be a Hash.
    #
    # custom_introspection_response do |token, context|
    #   {
    #     "sub": "Z5O3upPC88QrAjx00dis",
    #     "aud": "https://protected.example.net/resource",
    #     "username": User.find(token.resource_owner_id).username
    #   }
    # end
    #
    # or
    #
    # custom_introspection_response CustomIntrospectionResponder

    # 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
    # "implicit"           => Implicit Grant Flow
    # "password"           => Resource Owner Password Credentials Grant Flow
    # "client_credentials" => Client Credentials Grant Flow
    #
    # If not specified, Doorkeeper enables authorization_code and
    # client_credentials.
    #
    # implicit and password grant flows have risks that you should understand
    # before enabling:
    #   http://tools.ietf.org/html/rfc6819#section-4.4.2
    #   http://tools.ietf.org/html/rfc6819#section-4.4.3

    grant_flows %w[authorization_code]

    # Allows to customize OAuth grant flows that +each+ application support.
    # You can configure a custom block (or use a class respond to `#call`) that must
    # return `true` in case Application instance supports requested OAuth grant flow
    # during the authorization request to the server. This configuration +doesn't+
    # set flows per application, it only allows to check if application supports
    # specific grant flow.
    #
    # For example you can add an additional database column to `oauth_applications` table,
    # say `t.array :grant_flows, default: []`, and store allowed grant flows that can
    # be used with this application there. Then when authorization requested Doorkeeper
    # will call this block to check if specific Application (passed with client_id and/or
    # client_secret) is allowed to perform the request for the specific grant type
    # (authorization, password, client_credentials, etc).
    #
    # Example of the block:
    #
    #   ->(flow, client) { client.grant_flows.include?(flow) }
    #
    # In case this option invocation result is `false`, Doorkeeper server returns
    # :unauthorized_client error and stops the request.
    #
    # @param allow_grant_flow_for_client [Proc] Block or any object respond to #call
    # @return [Boolean] `true` if allow or `false` if forbid the request
    #
    # allow_grant_flow_for_client do |grant_flow, client|
    #   # `grant_flows` is an Array column with grant
    #   # flows that application supports
    #
    #   client.grant_flows.include?(grant_flow)
    # end

    # If you need arbitrary Resource Owner-Client authorization you can enable this option
    # and implement the check your need. Config option must respond to #call and return
    # true in case resource owner authorized for the specific application or false in other
    # cases.
    #
    # Be default all Resource Owners are authorized to any Client (application).
    #
    # authorize_resource_owner_for_client do |client, resource_owner|
    #   resource_owner.admin? || client.owners_whitelist.include?(resource_owner)
    # end

    # Hook into the strategies' request & response life-cycle in case your
    # application needs advanced customization or logging:
    #
    # before_successful_strategy_response do |request|
    #   puts "BEFORE HOOK FIRED! #{request}"
    # end
    #
    # after_successful_strategy_response do |request, response|
    #   puts "AFTER HOOK FIRED! #{request}, #{response}"
    # end

    # Hook into Authorization flow in order to implement Single Sign Out
    # or add any other functionality. Inside the block you have an access
    # to `controller` (authorizations controller instance) and `context`
    # (Doorkeeper::OAuth::Hooks::Context instance) which provides pre auth
    # or auth objects with issued token based on hook type (before or after).
    #
    # before_successful_authorization do |controller, context|
    #   Rails.logger.info(controller.request.params.inspect)
    #
    #   Rails.logger.info(context.pre_auth.inspect)
    # end
    #
    # after_successful_authorization do |controller, context|
    #   controller.session[:logout_urls] <<
    #     Doorkeeper::Application
    #       .find_by(controller.request.params.slice(:redirect_uri))
    #       .logout_uri
    #
    #   Rails.logger.info(context.auth.inspect)
    #   Rails.logger.info(context.issued_token)
    # end

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

    skip_authorization do |_, client|
      client.scopes.include?("skip_authorization")
    end

    # Configure custom constraints for the Token Introspection request.
    # By default this configuration option allows to introspect a token by another
    # token of the same application, OR to introspect the token that belongs to
    # authorized client (from authenticated client) OR when token doesn't
    # belong to any client (public token). Otherwise requester has no access to the
    # introspection and it will return response as stated in the RFC.
    #
    # Block arguments:
    #
    # @param token [Doorkeeper::AccessToken]
    #   token to be introspected
    #
    # @param authorized_client [Doorkeeper::Application]
    #   authorized client (if request is authorized using Basic auth with
    #   Client Credentials for example)
    #
    # @param authorized_token [Doorkeeper::AccessToken]
    #   Bearer token used to authorize the request
    #
    # In case the block returns `nil` or `false` introspection responses with 401 status code
    # when using authorized token to introspect, or you'll get 200 with { "active": false } body
    # when using authorized client to introspect as stated in the
    # RFC 7662 section 2.2. Introspection Response.
    #
    # Using with caution:
    # Keep in mind that these three parameters pass to block can be nil as following case:
    #  `authorized_client` is nil if and only if `authorized_token` is present, and vice versa.
    #  `token` will be nil if and only if `authorized_token` is present.
    # So remember to use `&` or check if it is present before calling method on
    # them to make sure you doesn't get NoMethodError exception.
    #
    # You can define your custom check:
    #
    # allow_token_introspection do |token, authorized_client, authorized_token|
    #   if authorized_token
    #     # customize: require `introspection` scope
    #     authorized_token.application == token&.application ||
    #       authorized_token.scopes.include?("introspection")
    #   elsif token.application
    #     # `protected_resource` is a new database boolean column, for example
    #     authorized_client == token.application || authorized_client.protected_resource?
    #   else
    #     # public token (when token.application is nil, token doesn't belong to any application)
    #     true
    #   end
    # end
    #
    # Or you can completely disable any token introspection:
    #
    # allow_token_introspection false
    #
    # If you need to block the request at all, then configure your routes.rb or web-server
    # like nginx to forbid the request.

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