Teach CQ status app to check login status of users.

appengine/chromium_cq_status/handlers/stats_viewer.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import webapp2
 
-from shared.utils import minutes_per_day
+from shared import utils
+
+minutes_per_day = 24 * 60
 
 period_config = {
   '15-minutely': {
     'interval_minutes': 15,
     'window_length': minutes_per_day / 15,
     'data_points': 2 * minutes_per_day / 15,
   },
   'hourly': {
     'interval_minutes': 60,
     'window_length': 48,
     'data_points': 7 * 24,
   },
   'daily': {
     'interval_minutes': minutes_per_day,
     'window_length': 14,
     'data_points': 4 * 30,
   },
   'weekly': {
     'interval_minutes': 7 * minutes_per_day,
     'window_length': 4,
     'data_points': 104,
   },
 }
 
 class StatsViewer(webapp2.RequestHandler): # pragma: no cover
+  @utils.read_access
   def get(self, project, period):
     assert period in period_config
     config = period_config[period]
     data_points = self.request.get('data_points') or config['data_points']
     self.response.write(open('templates/stats_viewer.html').read() % {
       'project': project,
       'period': period,
       'interval_minutes': config['interval_minutes'],
       'window_length': config['window_length'],
       'data_points': data_points,
     })