canvas-lms/app/controllers/crocodoc_sessions_controlle...

45 lines
1.5 KiB
Ruby

#
# Copyright (C) 2012 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 CrocodocSessionsController < ApplicationController
before_filter :require_user
include HmacHelper
def show
blob = extract_blob(params[:hmac], params[:blob],
"user_id" => @current_user.global_id,
"type" => "crocodoc")
attachment = Attachment.find(blob["attachment_id"])
if attachment.crocodoc_available?
annotations = params[:annotations] ?
value_to_boolean(params[:annotations]) :
true
crocodoc = attachment.crocodoc_document
redirect_to crocodoc.session_url(:user => @current_user,
:annotations => annotations)
else
render :text => "Not found", :status => :not_found
end
rescue HmacHelper::Error
render :text => 'unauthorized', :status => :unauthorized
end
end