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messages.py
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from bromelia.avps import *
from bromelia.constants import *
from bromelia.lib.etsi_3gpp_s6a.avps import *
from bromelia.lib.etsi_3gpp_s6a import AIR # Authentication-Information-Request
from bromelia.lib.etsi_3gpp_s6a import NOR # Notify-Request
from bromelia.lib.etsi_3gpp_s6a import PUR # Purge-UE-Request
from bromelia.lib.etsi_3gpp_s6a import ULR # Update-Location-Request
class Tool:
@classmethod
def get_staticmethods(cls):
staticmethods = list()
class_attrs = cls.__dict__
for key, value in class_attrs.items():
forbidden_funcs = ["create", "regular_with_odb", "realm_not_served", "roaming_not_allowed"]
if isinstance(value, staticmethod) and not key in forbidden_funcs:
staticmethods.append((cls.__name__.lower(), key, value))
return staticmethods
@classmethod
def missing_avp(cls, avp: str, **kwargs):
request = cls.create(**kwargs)
request.pop(avp)
return request
@classmethod
def invalid_user_name_avp(cls, user_name: str = "9990000000000", **kwargs):
return cls.create(user_name=user_name, **kwargs)
@classmethod
def error_user_unknown(cls, user_name: str = "000000000000000", **kwargs):
return cls.create(user_name=user_name, **kwargs)
@classmethod
def regular(cls, **kwargs):
return cls.create(user_name="999000000000001", **kwargs)
@classmethod
def missing_user_name_avp(cls, **kwargs):
return cls.missing_avp("user_name_avp", **kwargs)
@classmethod
def missing_visited_plmn_id_avp(cls, **kwargs):
return cls.missing_avp("visited_plmn_id_avp", **kwargs)
class Air(Tool):
@staticmethod
def create(**kwargs) -> AIR:
air_avps = {
"session_id": "localhost.domain",
"origin_host": "localhost.domain",
"origin_realm": "domain",
"destination_realm": "domain",
"destination_host": "remotehost.domain",
"user_name": "000000000000000",
"visited_plmn_id": bytes.fromhex("09f107"),
"vendor_specific_application_id": [
VendorIdAVP(VENDOR_ID_3GPP),
AuthApplicationIdAVP(DIAMETER_APPLICATION_S6a)
],
"requested_eutran_authentication_info": [
NumberOfRequestedVectorsAVP(2),
ImmediateResponsePreferredAVP(1)
]
}
return AIR(**{**air_avps, **kwargs})
@staticmethod
def missing_requested_eutran_authentication_info_avp(**kwargs) -> AIR:
return Air.missing_avp(
"requested_eutran_authentication_info_avp",
**kwargs
)
@staticmethod
def missing_number_of_requested_vectors_avp(**kwargs) -> AIR:
air_avps = {
"user_name": "999000000000001",
"requested_eutran_authentication_info": [
ImmediateResponsePreferredAVP(1)
]
}
return Air.create(**{**air_avps, **kwargs})
@staticmethod
def with_immediate_response_preferred_avp(num: int = 2, **kwargs) -> AIR:
air_avps = {
"user_name": "999000000000001",
"requested_eutran_authentication_info": [
NumberOfRequestedVectorsAVP(num),
ImmediateResponsePreferredAVP(1)
]
}
return Air.create(**{**air_avps, **kwargs})
@staticmethod
def without_immediate_response_preferred_avp(num: int = 2, **kwargs) -> AIR:
air_avps = {
"user_name": "999000000000001",
"requested_eutran_authentication_info": [
NumberOfRequestedVectorsAVP(num)
]
}
return Air.create(**{**air_avps, **kwargs})
@staticmethod
def too_much_immediate_response_preferred(num: int = 5, **kwargs) -> AIR:
air_avps = {
"user_name": "999000000000001",
"requested_eutran_authentication_info": [
NumberOfRequestedVectorsAVP(2),
ImmediateResponsePreferredAVP(num)
]
}
return Air.create(**{**air_avps, **kwargs})
@staticmethod
def too_much_number_of_requested_vectors(num: int = 5, **kwargs) -> AIR:
air_avps = {
"user_name": "999000000000001",
"requested_eutran_authentication_info": [
NumberOfRequestedVectorsAVP(num)
]
}
return Air.create(**{**air_avps, **kwargs})
class Nor(Tool):
@staticmethod
def create(**kwargs) -> NOR:
nor_avps = {
"session_id": "localhost.domain",
"origin_host": "localhost.domain",
"origin_realm": "domain",
"destination_realm": "domain",
"destination_host": "remotehost.domain",
"user_name": "000000000000000",
"context_identifier": 3,
"service_selection": "internet",
"nor_flags": 0x00000000,
"mip6_agent_info": [
MipHomeAgentHostAVP([
DestinationRealmAVP("epc.mncXXX.mccYYY.3gppnetwork.org"),
DestinationHostAVP("topon.s5pgw.node.epc.mncXXX.mccYYY.3gppnetwork.org")
])
]
}
return NOR(**{**nor_avps, **kwargs})
@staticmethod
def error_unknown_serving_node(serving_node: str = "localhost2.domain", **kwargs) -> NOR:
nor_avps = {
"origin_host": serving_node,
"user_name": "999000000000001",
}
return Nor.create(**{**nor_avps, **kwargs})
@staticmethod
def missing_mip6_agent_info_avp(**kwargs) -> NOR:
return Nor.missing_avp("mip6_agent_info_avp", user_name="999000000000001", **kwargs)
@staticmethod
def missing_mip_home_agent_host_avp(**kwargs) -> NOR:
nor_avps = {
"user_name": "999000000000001",
"mip6_agent_info": [MipHomeAgentHostAVP([
DestinationRealmAVP("epc.mncXXX.mccYYY.3gppnetwork.org"),
DestinationHostAVP("topon.s5pgw.node.epc.mncXXX.mccYYY.3gppnetwork.org")
])]
}
request = Nor.create(**{**nor_avps, **kwargs})
request.mip6_agent_info_avp.pop("mip_home_agent_host_avp")
request.refresh()
return request
@staticmethod
def missing_destination_host_in_mip6_agent_info_avp(**kwargs) -> NOR:
nor_avps = {
"user_name": "999000000000001",
"mip6_agent_info": [MipHomeAgentHostAVP([
DestinationRealmAVP("epc.mncXXX.mccYYY.3gppnetwork.org"),
DestinationHostAVP("topon.s5pgw.node.epc.mncXXX.mccYYY.3gppnetwork.org")
])]
}
request = Nor.create(**{**nor_avps, **kwargs})
request.mip6_agent_info_avp.mip_home_agent_host_avp.pop("destination_host_avp")
request.refresh()
return request
@staticmethod
def missing_destination_realm_in_mip6_agent_info_avp(**kwargs) -> NOR:
nor_avps = {
"user_name": "999000000000001",
"mip6_agent_info": [MipHomeAgentHostAVP([
DestinationRealmAVP("epc.mncXXX.mccYYY.3gppnetwork.org"),
DestinationHostAVP("topon.s5pgw.node.epc.mncXXX.mccYYY.3gppnetwork.org")
])]
}
request = Nor.create(**{**nor_avps, **kwargs})
request.mip6_agent_info_avp.mip_home_agent_host_avp.pop("destination_realm_avp")
request.refresh()
return request
class Pur(Tool):
@staticmethod
def create(**kwargs) -> PUR:
pur_avps = {
"session_id": "localhost.domain",
"origin_host": "localhost.domain",
"origin_realm": "domain",
"destination_realm": "domain",
"destination_host": "remotehost.domain",
"user_name": "000000000000000",
}
return PUR(**{**pur_avps, **kwargs})
@staticmethod
def error_unknown_serving_node(serving_node: str = "localhost2.domain", **kwargs) -> PUR:
pur_avps = {
"origin_host": serving_node,
"user_name": "999000000000001",
}
return Pur.create(**{**pur_avps, **kwargs})
class Ulr(Tool):
@staticmethod
def create(**kwargs) -> ULR:
ulr_avps = {
"session_id": "localhost.domain",
"origin_host": "localhost.domain",
"origin_realm": "domain",
"destination_realm": "domain",
"destination_host": "remotehost.domain",
"user_name": "000000000000000",
"rat_type": RAT_TYPE_EUTRAN,
"ulr_flags": 3,
"visited_plmn_id": bytes.fromhex("09f107"),
"vendor_specific_application_id": [
VendorIdAVP(VENDOR_ID_3GPP),
AuthApplicationIdAVP(DIAMETER_APPLICATION_S6a)
],
"supported_features": [
VendorIdAVP(VENDOR_ID_3GPP),
FeatureListIdAVP(1),
FeatureListAVP(0xdc000200)
],
"terminal_information": [
ImeiAVP("123456789000000"),
SoftwareVersionAVP("12")
],
"ue_srvcc_capability": UE_SRVCC_SUPPORTED,
"homogeneous_support_of_ims_voice_over_ps_sessions": IMS_VOICE_OVER_PS_SUPPORTED,
}
return ULR(**{**ulr_avps, **kwargs})
@staticmethod
def rat_not_allowed(rat: bytes = RAT_TYPE_WLAN, **kwargs) -> ULR:
return Ulr.create(rat_type=rat, **kwargs)
@staticmethod
def roaming_not_allowed(user_name: str, **kwargs) -> ULR:
ulr_avps = {
"session_id": "localhost.mnc000.mcc999.3gppnetwork.org",
"origin_host": "localhost.mnc000.mcc999.3gppnetwork.org",
"origin_realm": "mnc000.mcc999.3gppnetwork.org",
"destination_realm": "mnc001.mcc999.3gppnetwork.org",
"destination_host": "remotehost.mnc001.mcc999.3gppnetwork.org",
"user_name": user_name,
}
return Ulr.create(**{**kwargs, **ulr_avps})
@staticmethod
def regular_with_odb(user_name: str, **kwargs) -> ULR:
ulr_avps = {
"session_id": "localhost.mnc000.mcc999.3gppnetwork.org",
"origin_host": "localhost.mnc000.mcc999.3gppnetwork.org",
"origin_realm": "mnc000.mcc999.3gppnetwork.org",
"destination_realm": "mnc000.mcc999.3gppnetwork.org",
"destination_host": "remotehost.mnc000.mcc999.3gppnetwork.org",
"user_name": user_name,
}
return Ulr.create(**{**kwargs, **ulr_avps})
@staticmethod
def realm_not_served(user_name: str, **kwargs) -> ULR:
ulr_avps = {
"destination_realm": "domain2",
"destination_host": "remotehost.domain",
"user_name": user_name,
}
return Ulr.create(**{**kwargs, **ulr_avps})