canvas-lms/db/migrate/20121017165823_hash_access_...

44 lines
1.3 KiB
Ruby

#
# Copyright (C) 2012 - 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/>.
class HashAccessTokens < ActiveRecord::Migration[4.2]
tag :postdeploy
disable_ddl_transaction!
def self.up
loop do
batch = AccessToken.connection.select_all(<<-SQL)
SELECT id, token FROM #{AccessToken.quoted_table_name} WHERE crypted_token IS NULL LIMIT 1000
SQL
break if batch.empty?
batch.each do |at|
updates = {
:token_hint => at['token'][0,5],
:crypted_token => AccessToken.hashed_token(at['token']),
}
AccessToken.where(:id => at['id']).update_all(updates)
end
end
end
def self.down
AccessToken.update_all({ :crypted_token => nil, :token_hint => nil })
end
end