old_contents: //
  //   Copyright 2009-2014 Ilkka Oksanen <iao@iki.fi>
  //
  //   Licensed under the Apache License, Version 2.0 (the "License");
  //   you may not use this file except in compliance with the License.
  //   You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  //   Unless required by applicable law or agreed to in writing,
  //   software distributed under the License is distributed on an "AS
  //   IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  //   express or implied.  See the License for the specific language
  //   governing permissions and limitations under the License.
  //
  
  'use strict';
  
  const authOptions = require('../../lib/authOptions');
  
  module.exports = function*() {
      if (this.mas.userId !== null) {
          this.redirect('/app');
      } else {
          yield this.render('index', {
              page: 'frontpage',
              title: '',
              auth: authOptions
          });
      }
  };
  
new_contents: //
  //   Copyright 2009-2014 Ilkka Oksanen <iao@iki.fi>
  //
  //   Licensed under the Apache License, Version 2.0 (the "License");
  //   you may not use this file except in compliance with the License.
  //   You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  //   Unless required by applicable law or agreed to in writing,
  //   software distributed under the License is distributed on an "AS
  //   IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  //   express or implied.  See the License for the specific language
  //   governing permissions and limitations under the License.
  //
  
  'use strict';
  
  const authOptions = require('../../lib/authOptions');
  
  module.exports = function*() {
      const path = this.request.path;
  
      if (path === '/' || path === '/index.html') {
          if (this.mas.user) {
              this.redirect('/app');
          } else {
              yield this.render('index', {
                  page: 'frontpage',
                  title: 'Chat Service',
                  auth: authOptions
              });
          }
      } else {
          const page = path.replace(/\/(.*)\.html/, '$1');
  
          yield this.render(page, {
              page: page,
              title: page
          });
      }
  };
  
subject: Fix pages controller