def check_apns_feedback():
feedback_connection = session.get_connection(settings.APNS_FEEDBACK, cert_file=settings.APNS_CERT_FILE)
apns_client = APNs(feedback_connection, tail_timeout=20)
for token, since in apns_client.feedback():
since_date = timestamp_to_datetime(since)
logging.info("Found unavailable token %s, unavailable since %s" % (token, since_date))
PushDeviceToken.objects.filter(token=hex_to_b64(token), last_updates__lt=since_date, type=PushDeviceToken.APNS).delete()
logging.info("Finished checking feedback for stale tokens")
def get_ios_device_feedback():
conn = Session.new_connection(settings.IOS_FEEDBACK_SERVER,
cert_file=settings.IOS_CERT)
srv = APNs(conn, tail_timeout=10)
for token, since in srv.feedback():
print token
try:
obj = APNSDevice.objects.get(registration_id=token)
obj.active = False
obj.save()
except APNSDevice.DoesNotExist:
pass
def check_feedback_services_for_tokens(self):
"""
used only for feedback connection on schedule, remove not available tokens
"""
services = APNs(self.connection)
try:
for token, when in services.feedback():
last_update = self.get_last_update_of_token(token)
if last_update and last_update < when:
self.remove_token(token)
except:
print "Can't connect to APNs, looks like network is down"
def check_apns_feedback():
feedback_connection = session.get_connection(
settings.APNS_FEEDBACK, cert_file=settings.APNS_CERT_FILE)
apns_client = APNs(feedback_connection, tail_timeout=20)
for token, since in apns_client.feedback():
since_date = timestamp_to_datetime(since)
logging.info("Found unavailable token %s, unavailable since %s" %
(token, since_date))
PushDeviceToken.objects.filter(token=hex_to_b64(token),
last_updates__lt=since_date,
type=PushDeviceToken.APNS).delete()
logging.info("Finished checking feedback for stale tokens")
def remove_tokens():
# feedback needs no persistent connections.
con = Session.new_connection(("gateway.push.apple.com", 2196), cert_file=os.path.join(os.getcwd(), 'cert.pem'), passphrase="this is the queue push key")
# feedback server might be slow, so allow it to time out in 10 seconds
srv = APNs(con, tail_timeout=10)
# automatically closes connection for you
for token, since in srv.feedback():
user = db.session.query(User).filter(User.device_token == token).one()
user.device_token = None
db.session.add(user)
db.session.commit()
def test_feedback(self):
backend = DummyBackend(feedback=5)
session = Session(pool=backend)
feed_con = session.new_connection("feedback_production", cert_string="certificate")
srv = APNs(feed_con)
self.assertEqual(len(list(srv.feedback())), 5)
def feedback(self):
connection = self.get_connection()
if connection is None:
return None
srv = APNs(connection)
return srv.feedback()
from apnsclient import (
Session,
APNs
)
from pprint import pprint
session = Session()
conn =session.new_connection("feedback_sandbox", cert_file="apns.pem", passphrase="1234")
service = APNs(conn)
pprint(vars(service))
try:
# on any IO failure after successfull connection this generator
# will simply stop iterating. you will pick the rest of the tokens
# during next feedback session.
# feedback的接口取到的是上次推送的过程中出现的已卸载应用的设备token，而且获取一次之后就会清空
for token, when in service.feedback():
# every time a devices sends you a token, you should store
# {token: given_token, last_update: datetime.datetime.now()})
print token
print when
# the token wasn't updated after the failure has
# been reported, so the token is invalid and you should
# stop sending messages to it.
except Exception as _ex:
print "connect to APNs failed, err: %s" %str(_ex)
class ApnsFeedback(QApplication):
name = "feedbacker"
version = "v0.1"
def init_app(self):
super(ApnsFeedback, self).init_app()
# init log
logging.setup("feedbacker")
LOG.info("apns feedback service run.")
# init apns
self._init_apns()
# init db
self.pms = PushMsgService()
def run(self):
self.service = APNs(self.apns_conn)
self._fetch_invalid_tokens()
def _init_apns(self):
"""Obtain new connection to APNs. This method will not re-use existing
connection from the pool. The connection will be closed after use.
Unlike: `get_connection` this method does not cache the connection.
Use it to fetch feedback from APNs and then close when you are done.
"""
run_path = os.getcwd()
cert_file = "%s/%s/%s" %(
run_path,
CONF.IOS.cert_child_path,
CONF.IOS.cert_file_name
)
try:
session = Session()
self.apns_conn = session.new_connection(
address=CONF.IOS.feedback_address,
cert_file=cert_file,
passphrase=CONF.IOS.cert_passphrase
)
except Exception as _ex:
LOG.error("init feedback non-cached connection exception: %s"
% str(_ex))
def _fetch_invalid_tokens(self):
"""Fetch feedback from APNs.
Feedback service return all invaild tokens for once run.
Result sytle:
('invalid token', datetime.datetime.now())
"""
try:
for token, when in self.service.feedback():
LOG.info("when(%s) find invalid token: %s" % (when, token))
# update token not available
status = self.pms.DEVICE_NOT_AVALIABLE
self.pms.update_device_available_status(token, status)
except Exception as _ex:
LOG.error("connect to apns error: %s" % str(_ex))
def test_feedback(self):
backend = DummyBackend(feedback=5)
session = Session(pool=backend)
feed_con = session.new_connection("feedback_production", cert_string="certificate")
srv = APNs(feed_con)
self.assertEqual(len(list(srv.feedback())), 5)
