def check_credentials(request, other_application='admin',
expiration=60 * 60, gae_login=True):
"""Checks that user is authorized to access other_application"""
if request.env.web2py_runtime_gae:
from google.appengine.api import users
if users.is_current_user_admin():
return True
elif gae_login:
login_html = '<a href="%s">Sign in with your google account</a>.' \
% users.create_login_url(request.env.path_info)
raise HTTP(200, '<html><body>%s</body></html>' % login_html)
else:
return False
else:
t0 = time.time()
dt = t0 - expiration
s = get_session(request, other_application)
r = (s.authorized and s.last_time and s.last_time > dt)
if r:
s.last_time = t0
set_session(request, s, other_application)
return r
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