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319 | class ArkDPASSOService(ArkService):
def __init__(self, isp_auth: ArkISPAuth) -> None:
super().__init__(isp_auth)
self.__isp_auth = isp_auth
self.__client: ArkISPServiceClient = ArkISPServiceClient.from_isp_auth(self.__isp_auth, 'dpa')
self.__cache_keyring = ArkKeyring(self.service_config().service_name)
def __load_from_cache(self, token_type: str) -> Optional[ArkDPASSOAcquireTokenResponse]:
claims = get_unverified_claims(self.__client.session_token)
token = self.__cache_keyring.load_token(
ArkProfileLoader.load_default_profile(),
postfix=f'{claims["tenant_id"]}_{claims["unique_name"]}_dpa_sso_short_lived_{token_type}',
)
if token:
return ArkDPASSOAcquireTokenResponse.parse_raw(token.token.get_secret_value())
return None
def __save_to_cache(self, result: ArkDPASSOAcquireTokenResponse, token_type: str) -> None:
claims = get_unverified_claims(self.__client.session_token)
expires_in = datetime.now() + (parse(result.metadata['expires_at']) - parse(result.metadata['created_at']))
self.__cache_keyring.save_token(
ArkProfileLoader.load_default_profile(),
ArkToken(
token=result.json(),
token_type=ArkTokenType.Token,
expires_in=expires_in,
),
postfix=f'{claims["tenant_id"]}_{claims["unique_name"]}_dpa_sso_short_lived_{token_type}',
)
def __expand_folder(self, folder: str) -> str:
folder_path = os.path.expanduser(folder)
if not folder_path.endswith('/'):
folder_path += '/'
return folder_path
def __output_client_certificate(
self, folder: str, output_format: ArkDPASSOShortLiveClientCertificateFormat, result: ArkDPASSOAcquireTokenResponse
) -> None:
folder_path = self.__expand_folder(folder)
claims = get_unverified_claims(self.__client.session_token)
base_name = claims["unique_name"].split('@')[0]
client_certificate = result.token['client_certificate']
private_key = result.token['private_key']
if output_format == ArkDPASSOShortLiveClientCertificateFormat.RAW:
ArkArgsFormatter.print_normal(f'client-certificate-data: {client_certificate}')
ArkArgsFormatter.print_normal(f'client-key-data: {private_key}')
elif output_format == ArkDPASSOShortLiveClientCertificateFormat.BASE64:
ArkArgsFormatter.print_normal(
f'client-certificate-data: {base64.b64encode(client_certificate.encode("utf-8")).decode("utf-8")}'
)
ArkArgsFormatter.print_normal(f'client-key-data: {base64.b64encode(private_key.encode("utf-8")).decode("utf-8")}')
elif output_format == ArkDPASSOShortLiveClientCertificateFormat.FILE:
if not folder_path:
raise ArkServiceException(
f'Folder parameter is required if format is {ArkDPASSOShortLiveClientCertificateFormat.FILE.value}'
)
if not os.path.exists(folder_path):
os.makedirs(folder_path)
with open(f'{folder_path}{os.path.sep}{base_name}_client_cert.crt', 'w', encoding='utf-8') as file_handle:
file_handle.write(client_certificate)
with open(f'{folder_path}{os.path.sep}{base_name}_client_key.pem', 'w', encoding='utf-8') as file_handle:
file_handle.write(private_key)
elif output_format == ArkDPASSOShortLiveClientCertificateFormat.SINGLE_FILE:
if not folder:
raise ArkServiceException(
f'Folder parameter is required if format is {ArkDPASSOShortLiveClientCertificateFormat.FILE.value}'
)
if not os.path.exists(folder_path):
os.makedirs(folder_path)
with open(f'{folder_path}{os.path.sep}{base_name}_client_cert.pem', 'w', encoding='utf-8') as file_handle:
file_handle.write(client_certificate)
file_handle.write('\n')
file_handle.write(private_key)
else:
raise ArkServiceException(f'Unknown format {output_format}')
def __save_oracle_sso_wallet(self, folder: str, unzip_wallet: bool, result: ArkDPASSOAcquireTokenResponse) -> None:
folder_path = self.__expand_folder(folder)
result.token['wallet'] = base64.b64decode(result.token['wallet'])
if not os.path.exists(folder_path):
os.makedirs(folder_path)
if not unzip_wallet:
claims = get_unverified_claims(self.__client.session_token)
base_name = claims["unique_name"].split('@')[0]
with open(f'{folder_path}{os.path.sep}{base_name}_wallet.zip', 'wb') as file_handle:
file_handle.write(result.token['wallet'])
else:
wallet_bytes = BytesIO(result.token['wallet'])
with zipfile.ZipFile(wallet_bytes, 'r') as zipf:
zipf.extractall(folder_path)
def __save_oracle_pem_wallet(self, folder: str, result: ArkDPASSOAcquireTokenResponse) -> None:
folder_path = self.__expand_folder(folder)
claims = get_unverified_claims(self.__client.session_token)
base_name = claims["unique_name"].split('@')[0]
pem_wallet = base64.b64decode(result.token['pem_wallet']).decode('utf-8')
if not os.path.exists(folder_path):
os.makedirs(folder_path)
with open(f'{folder_path}{os.path.sep}{base_name}_ewallet.pem', 'w', encoding='utf-8') as file_handle:
file_handle.write(pem_wallet)
def __save_rdp_file(self, get_short_lived_rdp_file: ArkDPASSOGetShortLivedRDPFile, result: ArkDPASSOAcquireTokenResponse) -> None:
folder_path = self.__expand_folder(get_short_lived_rdp_file.folder)
if not os.path.exists(folder_path):
os.makedirs(folder_path)
filename: str = f'dpa _a {get_short_lived_rdp_file.target_address}'
if get_short_lived_rdp_file.target_domain:
filename += f' _d {get_short_lived_rdp_file.target_domain}'
with open(f'{folder_path}{filename}.rdp', 'w', encoding='utf-8') as file_handle:
file_handle.write(result.token['text'])
def short_lived_password(self, get_short_lived_password: ArkDPASSOGetShortLivedPassword) -> str:
"""
Generates a short-lived password used to connect to DPA services.
Args:
get_short_lived_password (ArkDPASSOGetShortLivedPassword): _description_
Raises:
ArkServiceException: _description_
Returns:
str: __description__
"""
self._logger.info('Generating short lived password token')
if get_short_lived_password.allow_caching:
result = self.__load_from_cache('password')
if result:
return result.token['key']
response: Response = self.__client.post(
ACQUIRE_SSO_TOKEN_URL,
json={
'token_type': 'password',
'service': 'DPA-DB',
},
)
if response.status_code != HTTPStatus.CREATED:
raise ArkServiceException(f'Failed to generate short lived password - [{response.status_code}] - [{response.text}]')
result: ArkDPASSOAcquireTokenResponse = ArkDPASSOAcquireTokenResponse.parse_obj(response.json())
if 'key' in result.token:
if get_short_lived_password.allow_caching:
self.__save_to_cache(result, 'password')
return result.token['key']
raise ArkServiceException(f'Failed to generate short lived password - [{response.status_code}] - [{response.text}]')
def short_lived_client_certificate(self, get_short_lived_client_certificate: ArkDPASSOGetShortLivedClientCertificate) -> None:
"""
Generates a short-lived client certificate used to connect to DPA services.
Args:
get_short_lived_client_certificate (ArkDPASSOGetShortLivedClientCertificate): _description_
Raises:
ArkServiceException: _description_
Returns:
str: __description__
"""
self._logger.info('Generating short lived client certificate')
if get_short_lived_client_certificate.allow_caching:
result = self.__load_from_cache('client_certificate')
if result:
self.__output_client_certificate(
get_short_lived_client_certificate.folder, get_short_lived_client_certificate.output_format, result
)
return
response: Response = self.__client.post(
ACQUIRE_SSO_TOKEN_URL,
json={
'token_type': 'client_certificate',
'service': get_short_lived_client_certificate.service,
},
)
if response.status_code != HTTPStatus.CREATED:
raise ArkServiceException(f'Failed to generate short lived client certificate - [{response.status_code}] - [{response.text}]')
result: ArkDPASSOAcquireTokenResponse = ArkDPASSOAcquireTokenResponse.parse_obj(response.json())
if 'client_certificate' in result.token and 'private_key' in result.token:
if get_short_lived_client_certificate.allow_caching:
self.__save_to_cache(result, 'client_certificate')
self.__output_client_certificate(
get_short_lived_client_certificate.folder, get_short_lived_client_certificate.output_format, result
)
return
raise ArkServiceException(f'Failed to generate short lived password - [{response.status_code}] - [{response.text}]')
def short_lived_oracle_wallet(self, get_short_lived_oracle_wallet: ArkDPASSOGetShortLivedOracleWallet) -> None:
"""
Generates a short-lived Oracle Wallet used to connect via DPA to Oracle databases.
Args:
get_short_lived_oracle_wallet (ArkDPASSOGetShortLivedOracleWallet): _description_
Raises:
ArkServiceException: _description_
Returns:
str: __description__
"""
self._logger.info('Generating short lived oracle wallet')
if get_short_lived_oracle_wallet.allow_caching:
result = self.__load_from_cache('oracle_wallet')
if result:
if get_short_lived_oracle_wallet.wallet_type == ArkDPASSOShortLivedOracleWalletType.SSO:
self.__save_oracle_sso_wallet(get_short_lived_oracle_wallet.folder, get_short_lived_oracle_wallet.unzip_wallet, result)
if get_short_lived_oracle_wallet.wallet_type == ArkDPASSOShortLivedOracleWalletType.PEM:
self.__save_oracle_pem_wallet(get_short_lived_oracle_wallet.folder, get_short_lived_oracle_wallet.unzip_wallet, result)
return
response: Response = self.__client.post(
ACQUIRE_SSO_TOKEN_URL,
json={
'token_type': 'oracle_wallet',
'service': 'DPA-DB',
'token_parameters': {
'walletType': get_short_lived_oracle_wallet.wallet_type.value,
},
},
)
if response.status_code != HTTPStatus.CREATED:
raise ArkServiceException(f'Failed to generate short lived oracle wallet - [{response.status_code}] - [{response.text}]')
result: ArkDPASSOAcquireTokenResponse = ArkDPASSOAcquireTokenResponse.parse_obj(response.json())
if 'wallet' in result.token and get_short_lived_oracle_wallet.wallet_type == ArkDPASSOShortLivedOracleWalletType.SSO:
if get_short_lived_oracle_wallet.allow_caching:
self.__save_to_cache(result, 'oracle_wallet')
self.__save_oracle_sso_wallet(get_short_lived_oracle_wallet.folder, get_short_lived_oracle_wallet.unzip_wallet, result)
return
elif 'pem_wallet' in result.token and get_short_lived_oracle_wallet.wallet_type == ArkDPASSOShortLivedOracleWalletType.PEM:
if get_short_lived_oracle_wallet.allow_caching:
self.__save_to_cache(result, 'oracle_wallet')
self.__save_oracle_pem_wallet(get_short_lived_oracle_wallet.folder, result)
return
raise ArkServiceException(f'Failed to generate short lived password - [{response.status_code}] - [{response.text}]')
def short_lived_rdp_file(self, get_short_lived_rdp_file: ArkDPASSOGetShortLivedRDPFile) -> None:
"""
Generates a short-lived RDP file used to connect via RDP to Windows machines.
Args:
get_short_lived_rdp_file (ArkDPASSOGetShortLivedRDPFile): _description_
Raises:
ArkServiceException: _description_
Returns:
str: __description__
"""
self._logger.info('Generating short lived rdp file')
if get_short_lived_rdp_file.allow_caching:
result = self.__load_from_cache('rdp_file')
if result:
self.__save_rdp_file(get_short_lived_rdp_file, result)
token_parameters: Dict[str, Any] = {
'targetAddress': get_short_lived_rdp_file.target_address,
'targetDomain': get_short_lived_rdp_file.target_domain,
'targetUser': get_short_lived_rdp_file.target_user,
'elevatedPrivileges': get_short_lived_rdp_file.elevated_privileges,
}
response: Response = self.__client.post(
ACQUIRE_SSO_TOKEN_URL,
json={
'token_type': 'rdp_file',
'service': 'DPA-RDP',
'token_parameters': {k: v for k, v in token_parameters.items() if v is not None},
'token_response_format': 'extended',
},
)
if response.status_code != HTTPStatus.CREATED:
raise ArkServiceException(f'Failed to generate short lived rdp file - [{response.status_code}] - [{response.text}]')
result: ArkDPASSOAcquireTokenResponse = ArkDPASSOAcquireTokenResponse.parse_obj(response.json())
if 'text' in result.token:
if get_short_lived_rdp_file.allow_caching:
self.__save_to_cache(result, 'rdp_file')
self.__save_rdp_file(get_short_lived_rdp_file, result)
return
raise ArkServiceException(f'Failed to generate short rdp file - [{response.status_code}] - [{response.text}]')
@staticmethod
@overrides
def service_config() -> ArkServiceConfig:
return SERVICE_CONFIG
|