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: / var / canvas / config / initializers /
Filename : jwt_workflow.rb
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# frozen_string_literal: true

#
# Copyright (C) 2021 - 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/>.

require "canvas_security"

# Register jwt token workflows with specific state requirments.
#
# - Try to keep workflow state in tokens to a minium. Remember this will be
#   passed around with every request in the service workflow.
#
CanvasSecurity::JWTWorkflow.register(:rich_content) do |context, user|
  tool_context = context.is_a?(Group) ? context.context : context
  {
    usage_rights_required: (
      tool_context.respond_to?(:usage_rights_required?) &&
      tool_context&.usage_rights_required?
    ) || false,
    can_upload_files: (
      user &&
      context &&
      context.grants_right?(user, :manage_files_add)
    ) || false,
    can_create_pages: (
      user &&
      context &&
      context.respond_to?(:wiki) &&
      context.wiki_id &&
      context.wiki.grants_right?(user, :create_page)
    ) || false
  }
end

CanvasSecurity::JWTWorkflow.register(:ui) do |_, user|
  {
    use_high_contrast: user.try(:prefers_high_contrast?)
  }
end