mirror of https://github.com/docusealco/docuseal
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.0 KiB
65 lines
2.0 KiB
# frozen_string_literal: true
|
|
|
|
module Api
|
|
class ActiveStorageBlobsProxyController < ApiBaseController
|
|
include ActiveStorage::Streaming
|
|
|
|
skip_before_action :authenticate_user!
|
|
skip_authorization_check
|
|
|
|
before_action :set_cors_headers
|
|
before_action :set_noindex_headers
|
|
|
|
def show
|
|
blob_uuid, purp, exp = ApplicationRecord.signed_id_verifier.verified(params[:signed_uuid])
|
|
|
|
if blob_uuid.blank? || purp != 'blob'
|
|
Rollbar.error('Blob not found') if defined?(Rollbar)
|
|
|
|
return head :not_found
|
|
end
|
|
|
|
blob = ActiveStorage::Blob.find_by!(uuid: blob_uuid)
|
|
|
|
attachment = blob.attachments.take
|
|
|
|
@record = attachment.record
|
|
@record = @record.record if @record.is_a?(ActiveStorage::Attachment)
|
|
|
|
authorization_check!(attachment, @record, exp)
|
|
|
|
if request.headers['Range'].present?
|
|
send_blob_byte_range_data blob, request.headers['Range']
|
|
else
|
|
http_cache_forever public: true do
|
|
response.headers['Accept-Ranges'] = 'bytes'
|
|
response.headers['Content-Length'] = blob.byte_size.to_s
|
|
|
|
send_blob_stream blob, disposition: params[:disposition]
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def authorization_check!(attachment, record, exp)
|
|
return if attachment.name == 'logo'
|
|
return if exp.to_i >= Time.current.to_i
|
|
|
|
return if current_user && current_ability.can?(:read, record)
|
|
|
|
configs = record.account.account_configs.where(key: [AccountConfig::DOWNLOAD_LINKS_AUTH_KEY,
|
|
AccountConfig::DOWNLOAD_LINKS_EXPIRE_KEY])
|
|
|
|
require_auth = configs.any? { |c| c.key == AccountConfig::DOWNLOAD_LINKS_AUTH_KEY && c.value }
|
|
require_ttl = configs.none? { |c| c.key == AccountConfig::DOWNLOAD_LINKS_EXPIRE_KEY && c.value == false }
|
|
|
|
return if !require_ttl && !require_auth
|
|
|
|
Rollbar.error('Blob aunauthorized') if defined?(Rollbar)
|
|
|
|
raise CanCan::AccessDenied
|
|
end
|
|
end
|
|
end
|