mastodon/app/services/update_media_attachments_permissions_service.rb

48 lines
1.9 KiB
Ruby

# frozen_string_literal: true
class UpdateMediaAttachmentsPermissionsService < BaseService
def call(media_attachments_scope, direction)
# Only s3 and filesystem storage systems support modifying permissions
return unless %i(s3 filesystem).include?(Paperclip::Attachment.default_options[:storage])
# Prevent useless S3 calls if ACLs are disabled
return if Paperclip::Attachment.default_options[:storage] == :s3 && ENV['S3_PERMISSION'] == ''
attachment_names = MediaAttachment.attachment_definitions.keys
media_attachments_scope.find_each do |media_attachment|
attachment_names.each do |attachment_name|
attachment = media_attachment.public_send(attachment_name)
styles = MediaAttachment::DEFAULT_STYLES | attachment.styles.keys
next if attachment.blank?
styles.each do |style|
case Paperclip::Attachment.default_options[:storage]
when :s3
acl = direction == :public ? Paperclip::Attachment.default_options[:s3_permissions] : 'private'
begin
attachment.s3_object(style).acl.put(acl: acl)
rescue Aws::S3::Errors::NoSuchKey
Rails.logger.warn "Tried to change acl on non-existent key #{attachment.s3_object(style).key}"
rescue Aws::S3::Errors::NotImplemented => e
Rails.logger.error "Error trying to change ACL on #{attachment.s3_object(style).key}: #{e.message}"
end
when :filesystem
mask = direction == :public ? 0o666 : 0o600
begin
FileUtils.chmod(mask & ~File.umask, attachment.path(style)) unless attachment.path(style).nil?
rescue Errno::ENOENT
Rails.logger.warn "Tried to change permission on non-existent file #{attachment.path(style)}"
end
end
CacheBusterWorker.perform_async(attachment.url(style)) if Rails.configuration.x.cache_buster.enabled
end
end
end
end
end