def before_request():
# check that the wsgi's environ set to an app subdomain
if not service.is_app_domain():
abort(404)
# check for app in our system
host = request.url.split('/')[2]
domain = host.split(':')[0]
account_name = domain.split('.')[0]
account = Account.get_by_name(account_name)
if account is None:
return app.response_account_not_found()
# if this app served as a custom domain, check that the app is allowed
if request.environ['MUH_IS_CUSTOM_DOMAIN'] and \
not account.custom_domain:
return app.response_account_not_found()
# check if the account has a canonical domain setup
if account.custom_domain and \
account.canonical_domain and \
account.canonical_domain != request.environ['MUH_HTTP_HOST']:
new_url = request.url.replace(
request.environ['HTTP_HOST'],
account.canonical_domain,
1
)
return redirect(new_url, code=301)
# check the app is not over the current month's transfer limit
if account.transfer: # 0 is unlimited
rds_key = 'xferm:{account_id}'.format(account_id=account.id)
rds_field = year_month()
xfer = rds.hget(rds_key, rds_field)
if xfer is not None and int(xfer) > account.transfer:
return app.response_account_transfer_exceeded()
# new registrations might not have any app uploaded
if account.application is None:
return app.response_account_missing()
# OK, you can go now
g.account = account
s = sha1()
s.update(str(g.account.application.id))
g.application_hash = s.hexdigest()
