canvas-lms/lib/token_scopes.rb

77 lines
3.2 KiB
Ruby

#
# Copyright (C) 2018 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
class TokenScopes
OAUTH2_SCOPE_NAMESPACE = '/auth/'.freeze
USER_INFO_SCOPE = {
resource: :oauth2,
verb: "GET",
scope: "#{OAUTH2_SCOPE_NAMESPACE}userinfo"
}.freeze
LTI_AGS_LINE_ITEM_SCOPE = "https://purl.imsglobal.org/spec/lti-ags/scope/lineitem".freeze
LTI_AGS_LINE_ITEM_READ_ONLY_SCOPE = "https://purl.imsglobal.org/spec/lti-ags/scope/lineitem.readonly".freeze
LTI_AGS_RESULT_READ_ONLY_SCOPE = "https://purl.imsglobal.org/spec/lti-ags/scope/result.readonly".freeze
LTI_AGS_SCORE_SCOPE = "https://purl.imsglobal.org/spec/lti-ags/scope/score".freeze
LTI_NRPS_V2_SCOPE = "https://purl.imsglobal.org/spec/lti-nrps/scope/contextmembership.readonly".freeze
LTI_SCOPES = {
LTI_AGS_LINE_ITEM_SCOPE => I18n.t("Manage Line Items"),
LTI_AGS_LINE_ITEM_READ_ONLY_SCOPE => I18n.t("Read Line Items"),
LTI_AGS_RESULT_READ_ONLY_SCOPE => I18n.t("Read Line Item Results"),
LTI_AGS_SCORE_SCOPE => I18n.t("Create/Edit Line Item Scores"),
LTI_NRPS_V2_SCOPE => I18n.t("Read Context Membership")
}.freeze
LTI_AGS_SCOPES = [ LTI_AGS_LINE_ITEM_SCOPE, LTI_AGS_LINE_ITEM_READ_ONLY_SCOPE, LTI_AGS_RESULT_READ_ONLY_SCOPE, LTI_AGS_SCORE_SCOPE ].freeze
def self.named_scopes
return @_named_scopes if @_named_scopes
named_scopes = detailed_scopes.each_with_object([]) do |frozen_scope, arr|
scope = frozen_scope.dup
api_scope_mapper_class = ApiScopeMapperLoader.load
scope[:resource] ||= api_scope_mapper_class.lookup_resource(scope[:controller], scope[:action])
scope[:resource_name] = api_scope_mapper_class.name_for_resource(scope[:resource])
arr << scope if scope[:resource_name]
scope
end
@_named_scopes = Canvas::ICU.collate_by(named_scopes) {|s| s[:resource_name]}.freeze
end
def self.all_scopes
@_all_scopes ||= [USER_INFO_SCOPE[:scope], *api_routes.map {|route| route[:scope]}, *LTI_SCOPES.keys].freeze
end
def self.detailed_scopes
@_detailed_scopes ||= [USER_INFO_SCOPE, *api_routes].freeze
end
private_class_method :detailed_scopes
def self.api_routes
return @_api_routes if @_api_routes
routes = Rails.application.routes.routes.select {|route| /^\/api\/(v1|sis)/ =~ route.path.spec.to_s}.map do |route|
{
controller: route.defaults[:controller]&.to_sym,
action: route.defaults[:action]&.to_sym,
verb: route.verb,
path: route.path.spec.to_s.gsub(/\(\.:format\)$/, ''),
scope: TokenScopesHelper.scope_from_route(route).freeze,
}
end
@_api_routes = routes.uniq {|route| route[:scope]}.freeze
end
private_class_method :api_routes
end