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

27 lines
672 B
Ruby

class HashAccessTokens < ActiveRecord::Migration
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