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from ctypes import CDLL, POINTER, c_void_p, cast
from datetime import datetime
from typing import List, Optional, Type
from eduvpn_common.types import cServer, cServerLocations, cServerProfiles, cServers
class Profile:
def __init__(self, identifier: str, display_name: str, default_gateway: bool):
self.identifier = identifier
self.display_name = display_name
self.default_gateway = default_gateway
def __str__(self):
return self.display_name
class Profiles:
def __init__(self, profiles: List[Profile], current: int):
self.profiles = profiles
self.current_index = current
@property
def current(self) -> Optional[Profile]:
if self.current_index < len(self.profiles):
return self.profiles[self.current_index]
return None
class Server:
def __init__(
self,
url: str,
display_name: str,
profiles: Optional[Profiles] = None,
expire_time: int = 0,
):
self.url = url
self.display_name = display_name
self.profiles = profiles
self.expire_time = datetime.fromtimestamp(expire_time)
def __str__(self):
return self.display_name
@property
def category(self) -> str:
return "Custom Server"
class InstituteServer(Server):
def __init__(
self,
url: str,
display_name: str,
support_contact: List[str],
profiles: Profiles,
expire_time: int,
):
super().__init__(url, display_name, profiles, expire_time)
self.support_contact = support_contact
@property
def category(self) -> str:
return "Institute Access Server"
class SecureInternetServer(Server):
def __init__(
self,
org_id: str,
display_name: str,
support_contact: List[str],
profiles: Profiles,
expire_time: int,
country_code: str,
):
super().__init__(org_id, display_name, profiles, expire_time)
self.org_id = org_id
self.support_contact = support_contact
self.country_code = country_code
@property
def category(self) -> str:
return "Secure Internet Server"
def get_type_for_str(type_str: str) -> Type[Server]:
if type_str == "secure_internet":
return SecureInternetServer
if type_str == "custom_server":
return Server
return InstituteServer
def get_profiles(ptr) -> Optional[Profiles]:
if not ptr:
return None
profiles = []
_profiles = ptr.contents
current_profile = _profiles.current
if not _profiles.profiles:
return None
for i in range(_profiles.total_profiles):
if not _profiles.profiles[i]:
continue
profile = _profiles.profiles[i].contents
profiles.append(
Profile(
profile.identifier.decode("utf-8"),
profile.display_name.decode("utf-8"),
profile.default_gateway == 1,
)
)
return Profiles(profiles, current_profile)
def get_server(ptr, _type=None) -> Optional[Server]:
if not ptr:
return None
current_server = ptr.contents
if _type is None:
_type = get_type_for_str(current_server.server_type.decode("utf-8"))
identifier = current_server.identifier.decode("utf-8")
display_name = current_server.display_name.decode("utf-8")
if _type is not Server:
support_contact = []
for i in range(current_server.total_support_contact):
support_contact.append(current_server.support_contact[i].decode("utf-8"))
profiles = get_profiles(current_server.profiles)
if profiles is None:
return None
if _type is SecureInternetServer:
return SecureInternetServer(
identifier,
display_name,
support_contact,
profiles,
current_server.expire_time,
current_server.country_code.decode("utf-8"),
)
if _type is InstituteServer:
return InstituteServer(
identifier,
display_name,
support_contact,
profiles,
current_server.expire_time,
)
return Server(identifier, display_name, profiles, current_server.expire_time)
def get_transition_server(lib: CDLL, ptr: c_void_p) -> Optional[Server]:
server = get_server(cast(ptr, POINTER(cServer)))
lib.FreeServer(ptr)
return server
def get_transition_profiles(lib: CDLL, ptr: c_void_p) -> Optional[Profiles]:
profiles = get_profiles(cast(ptr, POINTER(cServerProfiles)))
lib.FreeProfiles(ptr)
return profiles
def get_servers(lib: CDLL, ptr: c_void_p) -> Optional[List[Server]]:
if ptr:
returned = []
servers = cast(ptr, POINTER(cServers)).contents
if servers.custom_servers:
for i in range(servers.total_custom):
current = get_server(servers.custom_servers[i], Server)
if current is None:
continue
returned.append(current)
if servers.institute_servers:
for i in range(servers.total_institute):
current = get_server(servers.institute_servers[i], InstituteServer)
if current is None:
continue
returned.append(current)
if servers.secure_internet:
current = get_server(servers.secure_internet, SecureInternetServer)
if current is not None:
returned.append(current)
lib.FreeServers(ptr)
return returned
return None
def get_locations(lib: CDLL, ptr: c_void_p) -> Optional[List[str]]:
if ptr:
locations = cast(ptr, POINTER(cServerLocations)).contents
location_list = []
for i in range(locations.total_locations):
location_list.append(locations.locations[i].decode("utf-8"))
lib.FreeSecureLocations(ptr)
return location_list
return None
|
