59 lines
2.1 KiB
Ruby
59 lines
2.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
#
|
|
# Copyright (C) 2017 - 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/>.
|
|
#
|
|
|
|
module GoogleDocsPreview
|
|
PREVIEWABLE_TYPES = %w[
|
|
application/vnd.openxmlformats-officedocument.wordprocessingml.template
|
|
application/vnd.oasis.opendocument.spreadsheet
|
|
application/vnd.sun.xml.writer
|
|
application/excel
|
|
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
|
|
text/rtf
|
|
text/plain
|
|
application/vnd.openxmlformats-officedocument.spreadsheetml.template
|
|
application/vnd.sun.xml.impress
|
|
application/vnd.sun.xml.calc
|
|
application/vnd.ms-excel
|
|
application/msword
|
|
application/mspowerpoint
|
|
application/rtf
|
|
application/vnd.oasis.opendocument.presentation
|
|
application/vnd.oasis.opendocument.text
|
|
application/vnd.openxmlformats-officedocument.presentationml.template
|
|
application/vnd.openxmlformats-officedocument.presentationml.slideshow
|
|
application/vnd.openxmlformats-officedocument.presentationml.presentation
|
|
application/vnd.openxmlformats-officedocument.wordprocessingml.document
|
|
application/postscript
|
|
application/pdf
|
|
application/vnd.ms-powerpoint
|
|
].freeze
|
|
|
|
def self.previewable?(account, attachment)
|
|
account&.service_enabled?(:google_docs_previews) &&
|
|
PREVIEWABLE_TYPES.include?(attachment.content_type) &&
|
|
attachment.downloadable?
|
|
end
|
|
|
|
def self.url_for(attachment)
|
|
expires_in = Setting.get("google_docs_previews.link_duration_minutes", "5").to_i.minutes
|
|
attachment.public_url(expires_in: expires_in)
|
|
end
|
|
end
|