def _process_reply(self, reply):
"""Process GCM send reply"""
# acks:
# for reg_id, msg_id in reply.success.items():
# updates
for old_id, new_id in reply.canonical.items():
log.msg("GCM id changed : %s => " % old_id, new_id)
return RouterResponse(status_code=503,
response_body="Please try request again.",
router_data=dict(token=new_id))
# naks:
# uninstall:
for reg_id in reply.not_registered:
log.msg("GCM no longer registered: %s" % reg_id)
return RouterResponse(
status_code=410,
response_body="Endpoint requires client update",
router_data={},
)
# for reg_id, err_code in reply.failed.items():
if len(reply.failed.items()) > 0:
log.msg("GCM failures: %s" % json.dumps(reply.failed.items()))
raise RouterException("GCM failure to deliver", status_code=503,
response_body="Please try request later.")
# retries:
if reply.needs_retry():
raise RouterException("GCM failure to deliver", status_code=503,
response_body="Please try request later.")
return RouterResponse(status_code=200, response_body="Message Sent")
def _error(self, err, status, **kwargs):
"""Error handler that raises the RouterException"""
self.log.debug(err, **kwargs)
return RouterException(err,
status_code=status,
response_body=err,
**kwargs)
def _save_notification(self, uaid, notification):
"""Saves a notification, returns a deferred.
This version of the overridden method saves each individual message
to the message table along with relevant request headers if
available.
"""
if notification.ttl == 0:
raise RouterException("Finished Routing", status_code=201,
log_exception=False,
headers={"TTL": str(notification.ttl)})
headers = None
if notification.data:
headers = self._crypto_headers(notification)
return deferToThread(
self.ap_settings.message.store_message,
uaid=uaid,
channel_id=notification.channel_id,
data=notification.data,
headers=headers,
message_id=notification.version,
ttl=notification.ttl,
timestamp=int(time.time()),
)
def register(self, uaid, router_data):
"""Validate that a token is in the ``router_data``"""
if not router_data.get("token"):
raise RouterException("No token registered",
status_code=500,
response_body="No token registered")
return router_data
def test_router_fail_err_400_status(self):
from autopush.router.interface import RouterException
try:
raise RouterException("Abort Ok", status_code=400)
except:
fail = Failure()
self.base._router_fail_err(fail)
self.status_mock.assert_called_with(400)
def test_router_fail_err(self):
from autopush.router.interface import RouterException
try:
raise RouterException("error")
except:
fail = Failure()
self.base._router_fail_err(fail)
self.status_mock.assert_called_with(500)
def _save_notification(self, uaid, notification, month_table):
"""Saves a notification, returns a deferred.
This version of the overridden method saves each individual message
to the message table along with relevant request headers if
available.
"""
if notification.ttl is None:
# Note that this URL is temporary, as well as this warning as
# we will 400 all missing TTL's eventually
raise RouterException(
"Missing TTL Header",
response_body="Missing TTL Header, see: %s" % TTL_URL,
status_code=400,
errno=111,
log_exception=False,
)
if notification.ttl == 0:
location = "%s/m/%s" % (self.ap_settings.endpoint_url,
notification.version)
raise RouterException("Finished Routing",
status_code=201,
log_exception=False,
headers={
"TTL": str(notification.ttl),
"Location": location
},
logged_status=204)
headers = None
if notification.data:
headers = self._crypto_headers(notification)
return deferToThread(
self.ap_settings.message_tables[month_table].store_message,
uaid=uaid,
channel_id=notification.channel_id,
data=notification.data,
headers=headers,
message_id=notification.version,
ttl=notification.ttl,
timestamp=int(time.time()),
)
def preflight_check(self, uaid, channel_id):
"""Verifies this routing call can be done successfully"""
# Locate the user agent's message table
record = yield deferToThread(self.ap_settings.router.get_uaid, uaid)
if 'current_month' not in record:
raise RouterException("No such subscription",
status_code=404,
log_exception=False,
errno=106)
month_table = record["current_month"]
exists, chans = yield deferToThread(
self.ap_settings.message_tables[month_table].all_channels,
uaid=uaid)
if (not exists or channel_id.lower() not in map(
lambda x: normalize_id(x), chans)):
raise RouterException("No such subscription",
status_code=404,
log_exception=False,
errno=106)
returnValue(month_table)
def bad_register(uaid, connect):
raise RouterException("stuff", status_code=500,
response_body="Registration badness")
def _error(self, err, status, **kwargs):
"""Error handler that raises the RouterException"""
log.err(err, **kwargs)
raise RouterException(err, status_code=status, response_body=err)
def _verify_channel(self, result, channel_id):
if channel_id not in result:
raise RouterException("No such subscription", status_code=404,
log_exception=False, errno=106)
def route_notification(self, notification, uaid_data):
"""Route a notification to an internal node, and store it if the node
can't deliver immediately or is no longer a valid node"""
# Determine if they're connected at the moment
node_id = uaid_data.get("node_id")
uaid = uaid_data["uaid"]
self.udp = uaid_data.get("udp")
router = self.ap_settings.router
# Preflight check, hook used by webpush to verify channel id
yield self.preflight_check(uaid, notification.channel_id)
# Node_id is present, attempt delivery.
# - Send Notification to node
# - Success: Done, return 200
# - Error (Node busy): Jump to Save notification below
# - Error (Client gone, node gone/dead): Clear node entry for user
# - Both: Done, return 503
if node_id:
try:
result = yield self._send_notification(uaid, node_id,
notification)
except (ConnectError, UserError, ConnectionRefusedError):
self.metrics.increment("updates.client.host_gone")
dead_cache.put(node_key(node_id), True)
yield deferToThread(router.clear_node,
uaid_data).addErrback(self._eat_db_err)
raise RouterException("Node was invalid",
status_code=503,
response_body="Retry Request",
log_exception=False,
errno=202)
if result.code == 200:
self.metrics.increment("router.broadcast.hit")
returnValue(self.delivered_response(notification))
# Save notification, node is not present or busy
# - Save notification
# - Success (older version): Done, return 202
# - Error (db error): Done, return 503
try:
result = yield self._save_notification(uaid, notification)
if result is False:
self.metrics.increment("router.broadcast.miss")
returnValue(self.stored_response(notification))
except ProvisionedThroughputExceededException:
raise RouterException("Provisioned throughput error",
status_code=503,
response_body="Retry Request",
errno=201)
# - Lookup client
# - Success (node found): Notify node of new notification
# - Success: Done, return 200
# - Error (no client): Done, return 202
# - Error (no node): Clear node entry
# - Both: Done, return 202
# - Success (no node): Done, return 202
# - Error (db error): Done, return 202
# - Error (no client) : Done, return 404
try:
uaid_data = yield deferToThread(router.get_uaid, uaid)
except ProvisionedThroughputExceededException:
self.metrics.increment("router.broadcast.miss")
returnValue(self.stored_response(notification))
except ItemNotFound:
self.metrics.increment("updates.client.deleted")
raise RouterException("User was deleted",
status_code=404,
response_body="Invalid UAID",
errno=105)
# Verify there's a node_id in here, if not we're done
node_id = uaid_data.get("node_id")
if not node_id:
self.metrics.increment("router.broadcast.miss")
returnValue(self.stored_response(notification))
try:
result = yield self._send_notification_check(uaid, node_id)
except (ConnectError, UserError, ConnectionRefusedError):
self.metrics.increment("updates.client.host_gone")
dead_cache.put(node_key(node_id), True)
yield deferToThread(router.clear_node,
uaid_data).addErrback(self._eat_db_err)
self.metrics.increment("router.broadcast.miss")
returnValue(self.stored_response(notification))
if result.code == 200:
self.metrics.increment("router.broadcast.save_hit")
returnValue(self.delivered_response(notification))
else:
self.metrics.increment("router.broadcast.miss")
retVal = self.stored_response(notification)
if self.udp is not None and "server" in self.conf:
# Attempt to send off the UDP wake request.
try:
yield deferToThread(
requests.post(self.conf["server"],
data=urlencode(self.udp["data"]),
cert=self.conf.get("cert"),
timeout=self.conf.get(
"server_timeout", 3)))
except Exception, x:
log.err("Could not send UDP wake request:", str(x))
returnValue(retVal)