def test_ttl_batch_partly_expired_and_good_one(self):
data = str(uuid.uuid4())
data1 = str(uuid.uuid4())
data2 = str(uuid.uuid4())
client = yield self.quick_register()
yield client.disconnect()
for x in range(0, 6):
yield client.send_notification(data=data, status=201)
for x in range(0, 6):
yield client.send_notification(data=data1, ttl=1, status=201)
yield client.send_notification(data=data2, status=201)
time.sleep(1)
yield client.connect()
yield client.hello()
# Pull out and ack the first
for x in range(0, 6):
result = yield client.get_notification(timeout=4)
assert result is not None
assert result["data"] == base64url_encode(data)
yield client.ack(result["channelID"], result["version"])
# Should have one more that is data2, this will only arrive if the
# other six were acked as that hits the batch size
result = yield client.get_notification(timeout=4)
assert result is not None
assert result["data"] == base64url_encode(data2)
# No more
result = yield client.get_notification()
assert result is None
yield self.shut_down(client)
def test_repeat_delivery_with_disconnect_without_ack(self):
data = str(uuid.uuid4())
client = yield self.quick_register()
result = yield client.send_notification(data=data)
assert result != {}
assert result["data"] == base64url_encode(data)
yield client.disconnect()
yield client.connect()
yield client.hello()
result = yield client.get_notification()
assert result != {}
assert result["data"] == base64url_encode(data)
yield self.shut_down(client)
def test_post_with_app_server_key(self, *args):
self.patch('uuid.uuid4', return_value=dummy_chid)
dummy_key = "RandomKeyString"
def mock_encrypt(cleartext):
assert len(cleartext) == 64
# dummy_uaid
assert cleartext[0:16] == (
'abad1dea00000000aabbccdd00000000'.decode('hex'))
# dummy_chid
assert cleartext[16:32] == (
'deadbeef00000000decafbad00000000'.decode('hex'))
# sha256(dummy_key).digest()
assert cleartext[32:] == (
'47aedd050b9e19171f0fa7b8b65ca670'
'28f0bc92cd3f2cd3682b1200ec759007').decode('hex')
return 'abcd123'
self.fernet_mock.configure_mock(**{
'encrypt.side_effect': mock_encrypt,
})
resp = yield self.client.post(
self.url(router_type="webpush", uaid=dummy_uaid.hex) +
"/subscription",
headers={"Authorization": self.auth},
body=json.dumps(dict(
type="webpush",
key=utils.base64url_encode(dummy_key),
data={},
))
)
payload = json.loads(resp.content)
assert payload["channelID"] == dummy_chid.hex
assert payload["endpoint"] == "http://localhost/wpush/v2/abcd123"
def fixup_output(self, d):
# Verify authorization
# Note: This has to be done here, since schema validation takes place
# before nested schemas, and in this case we need all the nested
# schema logic to run first.
self.validate_auth(d)
# Merge crypto headers back in
if d["crypto_headers"]:
d["headers"].update({
k.replace("_", "-"): v
for k, v in d["crypto_headers"].items()
})
# Base64-encode data for Web Push
d["body"] = base64url_encode(d["body"])
# Set the notification based on the validated request schema data
d["notification"] = WebPushNotification.from_webpush_request_schema(
data=d,
fernet=self.context["settings"].fernet,
legacy=self.context["settings"]._notification_legacy,
)
return d
def test_basic_delivery(self):
data = str(uuid.uuid4())
client = yield self.quick_register(use_webpush=True)
result = yield client.send_notification(data=data)
eq_(result["headers"]["encryption"], client._crypto_key)
eq_(result["data"], base64url_encode(data))
eq_(result["messageType"], "notification")
yield self.shut_down(client)
def _store_auth(self, jwt, crypto_key, token, result):
if jwt.get('exp', 0) < time.time():
raise VapidAuthException("Invalid bearer token: Auth expired")
jwt_crypto_key = base64url_encode(crypto_key)
self._client_info["jwt_crypto_key"] = jwt_crypto_key
for i in jwt:
self._client_info["jwt_" + i] = jwt[i]
return result
def _store_auth(self, jwt, crypto_key, token, result):
if jwt.get('exp', 0) < time.time():
raise VapidAuthException("Invalid bearer token: Auth expired")
jwt_crypto_key = base64url_encode(crypto_key)
self._client_info["jwt_crypto_key"] = jwt_crypto_key
for i in jwt:
self._client_info["jwt_" + i] = jwt[i]
return result
def test_ttl_0_connected(self):
data = str(uuid.uuid4())
client = yield self.quick_register(use_webpush=True)
result = yield client.send_notification(data=data, ttl=0)
assert(result is not None)
eq_(result["headers"]["encryption"], client._crypto_key)
eq_(result["data"], base64url_encode(data))
eq_(result["messageType"], "notification")
yield self.shut_down(client)
def test_basic_delivery_v0_endpoint(self):
data = str(uuid.uuid4())
client = yield self.quick_register(use_webpush=True)
endpoint = self._make_v0_endpoint(
client.uaid, client.channels.keys()[0])
result = yield client.send_notification(endpoint=endpoint, data=data)
eq_(result["headers"]["encryption"], client._crypto_key)
eq_(result["data"], base64url_encode(data))
eq_(result["messageType"], "notification")
yield self.shut_down(client)
def test_delivery_repeat_without_ack(self):
data = str(uuid.uuid4())
client = yield self.quick_register(use_webpush=True)
yield client.disconnect()
ok_(client.channels)
yield client.send_notification(data=data)
yield client.connect()
yield client.hello()
result = yield client.get_notification()
ok_(result != {})
eq_(result["data"], base64url_encode(data))
yield client.disconnect()
yield client.connect()
yield client.hello()
result = yield client.get_notification()
ok_(result != {})
eq_(result["data"], base64url_encode(data))
yield self.shut_down(client)
def test_topic_basic_delivery(self):
data = str(uuid.uuid4())
client = yield self.quick_register()
result = yield client.send_notification(data=data, topic="Inbox")
# the following presumes that only `salt` is padded.
clean_header = client._crypto_key.replace(
'"', '').rstrip('=')
assert result["headers"]["encryption"] == clean_header
assert result["data"] == base64url_encode(data)
assert result["messageType"] == "notification"
yield self.shut_down(client)
def validate_auth(self, d):
auth = d["headers"].get("authorization")
needs_auth = d["token_info"]["api_ver"] == "v2"
if not needs_auth and not auth:
return
try:
vapid_auth = parse_auth_header(auth)
token = vapid_auth['t']
d["vapid_version"] = "draft{:0>2}".format(vapid_auth['version'])
if vapid_auth['version'] == 2:
public_key = vapid_auth['k']
else:
public_key = d["subscription"].get("public_key")
jwt = extract_jwt(
token,
public_key,
is_trusted=self.context['settings'].enable_tls_auth)
except (KeyError, ValueError, InvalidSignature, TypeError,
VapidAuthException):
raise InvalidRequest("Invalid Authorization Header",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
if "exp" not in jwt:
raise InvalidRequest("Invalid bearer token: No expiration",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
try:
jwt_expires = int(jwt['exp'])
except ValueError:
raise InvalidRequest("Invalid bearer token: Invalid expiration",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
now = time.time()
jwt_has_expired = now > jwt_expires
if jwt_has_expired:
raise InvalidRequest("Invalid bearer token: Auth expired",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
jwt_too_far_in_future = (jwt_expires - now) > (60 * 60 * 24)
if jwt_too_far_in_future:
raise InvalidRequest(
"Invalid bearer token: Auth > 24 hours in "
"the future",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
jwt_crypto_key = base64url_encode(public_key)
d["jwt"] = dict(jwt_crypto_key=jwt_crypto_key, jwt_data=jwt)
def test_basic_delivery_with_vapid(self):
data = str(uuid.uuid4())
client = yield self.quick_register()
vapid_info = _get_vapid(
payload=self.vapid_payload)
result = yield client.send_notification(data=data, vapid=vapid_info)
# the following presumes that only `salt` is padded.
clean_header = client._crypto_key.replace(
'"', '').rstrip('=')
assert result["headers"]["encryption"] == clean_header
assert result["data"] == base64url_encode(data)
assert result["messageType"] == "notification"
yield self.shut_down(client)
def _get_vapid(key=None, payload=None):
if not payload:
payload = {"aud": "https://pusher_origin.example.com",
"exp": int(time.time()) + 86400,
"sub": "mailto:[email protected]"}
if not key:
key = ecdsa.SigningKey.generate(curve=ecdsa.NIST256p)
vk = key.get_verifying_key()
auth = jws.sign(payload, key, algorithm="ES256").strip('=')
crypto_key = base64url_encode('\4' + vk.to_string())
return {"auth": auth,
"crypto-key": crypto_key,
"key": key}
def test_multiple_delivery_with_single_ack(self):
data = str(uuid.uuid4())
data2 = str(uuid.uuid4())
client = yield self.quick_register()
yield client.disconnect()
assert client.channels
yield client.send_notification(data=data, status=201)
yield client.send_notification(data=data2, status=201)
yield client.connect()
yield client.hello()
result = yield client.get_notification(timeout=0.5)
assert result != {}
assert result["data"] == base64url_encode(data)
result2 = yield client.get_notification(timeout=0.5)
assert result2 != {}
assert result2["data"] == base64url_encode(data2)
yield client.ack(result["channelID"], result["version"])
yield client.disconnect()
yield client.connect()
yield client.hello()
result = yield client.get_notification(timeout=0.5)
assert result != {}
assert result["data"] == base64url_encode(data)
assert result["messageType"] == "notification"
result2 = yield client.get_notification()
assert result2 != {}
assert result2["data"] == base64url_encode(data2)
yield client.ack(result["channelID"], result["version"])
yield client.ack(result2["channelID"], result2["version"])
# Verify no messages are delivered
yield client.disconnect()
yield client.connect()
yield client.hello()
result = yield client.get_notification(timeout=0.5)
assert result is None
yield self.shut_down(client)
def test_topic_expired(self):
data = str(uuid.uuid4())
client = yield self.quick_register()
yield client.disconnect()
assert client.channels
yield client.send_notification(data=data, ttl=1, topic="test", status=201)
yield client.sleep(2)
yield client.connect()
yield client.hello()
result = yield client.get_notification(timeout=0.5)
assert result is None
result = yield client.send_notification(data=data, topic="test")
assert result != {}
assert result["data"] == base64url_encode(data)
yield self.shut_down(client)
def test_no_delivery_to_unregistered(self):
data = str(uuid.uuid4())
client = yield self.quick_register(use_webpush=True)
ok_(client.channels)
chan = client.channels.keys()[0]
result = yield client.send_notification(data=data)
eq_(result["channelID"], chan)
eq_(result["data"], base64url_encode(data))
yield client.ack(result["channelID"], result["version"])
yield client.unregister(chan)
result = yield client.send_notification(data=data, status=404)
eq_(result, None)
yield self.shut_down(client)
def test_post_with_app_server_key(self):
dummy_key = "RandomKeyString"
self.reg.request.body = json.dumps(dict(
type="simplepush",
key=utils.base64url_encode(dummy_key),
data={},
))
def mock_encrypt(cleartext):
eq_(len(cleartext), 64)
# dummy_uaid
eq_(cleartext[0:16],
'abad1dea00000000aabbccdd00000000'.decode('hex'))
# dummy_chid
eq_(cleartext[16:32],
'deadbeef00000000decafbad00000000'.decode('hex'))
# sha256(dummy_key).digest()
eq_(cleartext[32:],
('47aedd050b9e19171f0fa7b8b65ca670'
'28f0bc92cd3f2cd3682b1200ec759007').decode('hex'))
return 'abcd123'
self.fernet_mock.configure_mock(**{
'encrypt.side_effect': mock_encrypt,
})
self.reg.request.headers["Authorization"] = self.auth
def handle_finish(value):
call_args = self.reg.write.call_args
ok_(call_args is not None)
args = call_args[0]
call_arg = json.loads(args[0])
eq_(call_arg["channelID"], dummy_chid.hex)
eq_(call_arg["endpoint"], "http://localhost/wpush/v2/abcd123")
def restore(*args, **kwargs):
uuid.uuid4 = old_func
old_func = uuid.uuid4
uuid.uuid4 = lambda: dummy_chid
self.finish_deferred.addBoth(restore)
self.finish_deferred.addCallback(handle_finish)
self.reg.request.headers["Authorization"] = self.auth
self.reg.post(self._make_req(router_type="simplepush",
uaid=dummy_uaid.hex))
return self.finish_deferred
def test_topic_replacement_delivery(self):
data = str(uuid.uuid4())
data2 = str(uuid.uuid4())
client = yield self.quick_register()
yield client.disconnect()
yield client.send_notification(data=data, topic="Inbox", status=201)
yield client.send_notification(data=data2, topic="Inbox", status=201)
yield client.connect()
yield client.hello()
result = yield client.get_notification()
# the following presumes that only `salt` is padded.
clean_header = client._crypto_key.replace(
'"', '').rstrip('=')
assert result["headers"]["encryption"] == clean_header
assert result["data"] == base64url_encode(data2)
assert result["messageType"] == "notification"
result = yield client.get_notification()
assert result is None
yield self.shut_down(client)
def test_no_delivery_to_unregistered(self):
data = str(uuid.uuid4())
client = yield self.quick_register() # type: Client
assert client.channels
chan = client.channels.keys()[0]
result = yield client.send_notification(data=data)
assert result["channelID"] == chan
assert result["data"] == base64url_encode(data)
yield client.ack(result["channelID"], result["version"])
yield client.unregister(chan)
result = yield client.send_notification(data=data, status=410)
# Verify cache-control
assert client.notif_response.getheader("Cache-Control") == \
"max-age=86400"
assert result is None
yield self.shut_down(client)
def test_no_delivery_to_unregistered_on_reconnect(self):
data = str(uuid.uuid4())
client = yield self.quick_register(use_webpush=True)
yield client.disconnect()
ok_(client.channels)
chan = client.channels.keys()[0]
yield client.send_notification(data=data)
yield client.connect()
yield client.hello()
result = yield client.get_notification()
eq_(result["channelID"], chan)
eq_(result["data"], base64url_encode(data))
yield client.unregister(chan)
yield client.disconnect()
time.sleep(1)
yield client.connect()
yield client.hello()
result = yield client.get_notification()
eq_(result, None)
yield self.shut_down(client)
def test_ttl_batch_expired_and_good_one(self):
data = str(uuid.uuid4())
data2 = str(uuid.uuid4())
client = yield self.quick_register()
yield client.disconnect()
for x in range(0, 12):
yield client.send_notification(data=data, ttl=1, status=201)
yield client.send_notification(data=data2, status=201)
time.sleep(1)
yield client.connect()
yield client.hello()
result = yield client.get_notification(timeout=4)
assert result is not None
# the following presumes that only `salt` is padded.
clean_header = client._crypto_key.replace(
'"', '').rstrip('=')
assert result["headers"]["encryption"] == clean_header
assert result["data"] == base64url_encode(data2)
assert result["messageType"] == "notification"
result = yield client.get_notification(timeout=0.5)
assert result is None
yield self.shut_down(client)
def _get_vapid(key=None, payload=None, endpoint=None):
global CONNECTION_CONFIG
if endpoint is None:
endpoint = "{}://{}:{}".format(
CONNECTION_CONFIG.get("endpoint_scheme"),
CONNECTION_CONFIG.get("endpoint_hostname"),
CONNECTION_CONFIG.get("endpoint_port"),
)
if not payload:
payload = {"aud": endpoint,
"exp": int(time.time()) + 86400,
"sub": "mailto:[email protected]"}
if not payload.get("aud"):
payload['aud'] = endpoint
if not key:
key = ecdsa.SigningKey.generate(curve=ecdsa.NIST256p)
vk = key.get_verifying_key()
auth = jws.sign(payload, key, algorithm="ES256").strip('=')
crypto_key = base64url_encode('\4' + vk.to_string())
return {"auth": auth,
"crypto-key": crypto_key,
"key": key}
def _gen_jwt(self, header, payload):
sk256p = ecdsa.SigningKey.generate(curve=ecdsa.NIST256p)
vk = sk256p.get_verifying_key()
sig = jws.sign(payload, sk256p, algorithm="ES256").strip('=')
crypto_key = utils.base64url_encode(vk.to_string()).strip('=')
return sig, crypto_key
def validate_auth(self, d):
auth = d["headers"].get("authorization")
needs_auth = d["token_info"]["api_ver"] == "v2"
if not auth and not needs_auth:
return
public_key = d["subscription"].get("public_key")
try:
auth_type, token = auth.split(' ', 1)
except ValueError:
raise InvalidRequest("Invalid Authorization Header",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
# If its not a bearer token containing what may be JWT, stop
if auth_type.lower() not in AUTH_SCHEMES or '.' not in token:
if needs_auth:
raise InvalidRequest("Missing Authorization Header",
status_code=401,
errno=109)
return
try:
jwt = extract_jwt(token, public_key)
except (ValueError, InvalidSignature, TypeError):
raise InvalidRequest("Invalid Authorization Header",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
if "exp" not in jwt:
raise InvalidRequest("Invalid bearer token: No expiration",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
try:
jwt_expires = int(jwt['exp'])
except ValueError:
raise InvalidRequest("Invalid bearer token: Invalid expiration",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
now = time.time()
jwt_has_expired = now > jwt_expires
if jwt_has_expired:
raise InvalidRequest("Invalid bearer token: Auth expired",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
jwt_too_far_in_future = (jwt_expires - now) > (60 * 60 * 24)
if jwt_too_far_in_future:
raise InvalidRequest(
"Invalid bearer token: Auth > 24 hours in "
"the future",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
jwt_crypto_key = base64url_encode(public_key)
d["jwt"] = dict(jwt_crypto_key=jwt_crypto_key, jwt_data=jwt)
def validate_auth(self, d):
crypto_exceptions = [
KeyError, ValueError, TypeError, VapidAuthException
]
if self.context['conf'].use_cryptography:
crypto_exceptions.append(InvalidSignature)
else:
crypto_exceptions.extend([JOSEError, JWTError, AssertionError])
auth = d["headers"].get("authorization")
needs_auth = d["token_info"]["api_ver"] == "v2"
if not needs_auth and not auth:
return
try:
vapid_auth = parse_auth_header(auth)
token = vapid_auth['t']
d["vapid_version"] = "draft{:0>2}".format(vapid_auth['version'])
if vapid_auth['version'] == 2:
public_key = vapid_auth['k']
else:
public_key = d["subscription"].get("public_key")
jwt = extract_jwt(token,
public_key,
is_trusted=self.context['conf'].enable_tls_auth,
use_crypto=self.context['conf'].use_cryptography)
if not isinstance(jwt, Dict):
raise InvalidRequest("Invalid Authorization Header",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
except tuple(crypto_exceptions):
raise InvalidRequest("Invalid Authorization Header",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
if "aud" not in jwt:
raise InvalidRequest("Invalid bearer token: No Audience specified",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
if jwt['aud'] != self.context["conf"].endpoint_url:
raise InvalidRequest(
"Invalid bearer token: Invalid Audience Specified",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
if "exp" not in jwt:
raise InvalidRequest("Invalid bearer token: No expiration",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
try:
jwt_expires = int(jwt['exp'])
except (TypeError, ValueError):
raise InvalidRequest("Invalid bearer token: Invalid expiration",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
now = time.time()
jwt_has_expired = now > jwt_expires
if jwt_has_expired:
raise InvalidRequest("Invalid bearer token: Auth expired",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
jwt_too_far_in_future = (jwt_expires - now) > (60 * 60 * 24)
if jwt_too_far_in_future:
raise InvalidRequest(
"Invalid bearer token: Auth > 24 hours in "
"the future",
status_code=401,
errno=109,
headers={"www-authenticate": PREF_SCHEME})
jwt_crypto_key = base64url_encode(public_key)
d["jwt"] = dict(jwt_crypto_key=jwt_crypto_key, jwt_data=jwt)
def _uaid_lookup_results(self, result):
"""Process the result of the AWS UAID lookup"""
# Save the whole record
router_key = self.router_key = result.get("router_type", "simplepush")
self._client_info["router_key"] = router_key
try:
self.router = self.ap_settings.routers[router_key]
except KeyError:
self.log.debug(
format="Invalid router requested", status_code=400,
errno=108, **self._client_info)
return self._write_response(400, 108,
message="Invalid router")
# Only simplepush uses version/data out of body/query, GCM/APNS will
# use data out of the request body 'WebPush' style.
use_simplepush = router_key == "simplepush"
if use_simplepush:
self.version, data = parse_request_params(self.request)
self._client_info['message_id'] = self.version
else:
data = self.request.body
if "ttl" not in self.request.headers:
ttl = None
# We need crypto headers for messages with payloads.
req_fields = ["content-encoding", "encryption"]
if data and not all([x in self.request.headers
for x in req_fields]):
self.log.debug(format="Client error", status_code=400,
errno=101, **self._client_info)
return self._write_response(400, 101)
if ("encryption-key" in self.request.headers and
"crypto-key" in self.request.headers):
self.log.debug(format="Client error", status_code=400,
errno=110, **self._client_info)
return self._write_response(
400, 110, message="Invalid crypto headers")
self._client_info["message_size"] = len(data) if data else 0
if "ttl" not in self.request.headers:
ttl = None
elif VALID_TTL.match(self.request.headers["ttl"]):
ttl = int(self.request.headers["ttl"])
# Cap the TTL to our MAX_TTL
ttl = min(ttl, MAX_TTL)
else:
self.log.debug(format="Client error", status_code=400,
errno=112, **self._client_info)
return self._write_response(400, 112, message="Invalid TTL header")
if data and len(data) > self.ap_settings.max_data:
self.log.debug(format="Client error", status_code=400, errno=104,
**self._client_info)
return self._write_response(
413, 104, message="Data payload too large")
if use_simplepush:
self._route_notification(self.version, result, data)
return
# Web Push and bridged messages are encrypted binary blobs. We store
# and deliver these messages as Base64-encoded strings.
data = base64url_encode(self.request.body)
# Generate a message ID, then route the notification.
d = deferToThread(self.ap_settings.fernet.encrypt, ':'.join([
'm', self.uaid, self.chid]).encode('utf8'))
d.addCallback(self._route_notification, result, data, ttl)
return d
def _uaid_lookup_results(self, result):
"""Process the result of the AWS UAID lookup"""
# Save the whole record
router_key = self.router_key = result.get("router_type", "simplepush")
self._client_info["router_key"] = router_key
try:
self.router = self.ap_settings.routers[router_key]
except KeyError:
self.log.debug("Invalid router requested",
status_code=400,
errno=108,
**self._client_info)
return self._write_response(400, 108, message="Invalid router")
# Only simplepush uses version/data out of body/query, GCM/APNS will
# use data out of the request body 'WebPush' style.
use_simplepush = router_key == "simplepush"
if use_simplepush:
self.version, data = parse_request_params(self.request)
self._client_info['message_id'] = self.version
else:
data = self.request.body
if "ttl" not in self.request.headers:
ttl = None
# We need crypto headers for messages with payloads.
req_fields = ["content-encoding", "encryption"]
if data and not all(
[x in self.request.headers for x in req_fields]):
self.log.debug("Client error",
status_code=400,
errno=101,
**self._client_info)
return self._write_response(400, 101)
if ("encryption-key" in self.request.headers
and "crypto-key" in self.request.headers):
self.log.debug("Client error",
status_code=400,
errno=110,
**self._client_info)
return self._write_response(400,
110,
message="Invalid crypto headers")
self._client_info["message_size"] = len(data) if data else 0
if "ttl" not in self.request.headers:
ttl = None
elif VALID_TTL.match(self.request.headers["ttl"]):
ttl = int(self.request.headers["ttl"])
# Cap the TTL to our MAX_TTL
ttl = min(ttl, MAX_TTL)
else:
self.log.debug("Client error",
status_code=400,
errno=112,
**self._client_info)
return self._write_response(400, 112, message="Invalid TTL header")
if data and len(data) > self.ap_settings.max_data:
self.log.debug("Client error",
status_code=400,
errno=104,
**self._client_info)
return self._write_response(413,
104,
message="Data payload too large")
if use_simplepush:
self._route_notification(self.version, result, data)
return
# Web Push and bridged messages are encrypted binary blobs. We store
# and deliver these messages as Base64-encoded strings.
data = base64url_encode(self.request.body)
# Generate a message ID, then route the notification.
d = deferToThread(self.ap_settings.fernet.encrypt,
':'.join(['m', self.uaid, self.chid]).encode('utf8'))
d.addCallback(self._route_notification, result, data, ttl)
return d
