def get_qsessions() -> dict:
"""
Get session ids of currently queued RTR sessions
"""
endpoint_url = '/real-time-response/queries/sessions/v1'
if helpers.is_expiring(BATCH_LIFE_TIME, BATCH_REQ_TIME):
refresh_rtr_session()
params = {'sort': 'created_at|desc', 'filter': 'commands_queued:1'}
response = http_request('GET', endpoint_url, params=params)
return response
def delete_rtr_session() -> dict:
"""
Retrieves a script given its ID
:return: Response JSON which contains errors (if exist) and retrieved resource
"""
endpoint_url = '/real-time-response/entities/sessions/v1'
if helpers.is_expiring(BATCH_LIFE_TIME, BATCH_REQ_TIME):
refresh_rtr_session()
params = {'session_id': BATCH_ID}
response = http_request('DELETE', endpoint_url, params=params)
return response
def delete_qsession(session_id: str) -> dict:
"""
Delete a queued RTR session by session ID
:param session_id: Session ID of session to delete
"""
endpoint_url = '/real-time-response/entities/sessions/v1'
if helpers.is_expiring(BATCH_LIFE_TIME, BATCH_REQ_TIME):
refresh_rtr_session()
params = {'session_id': session_id}
response = http_request('DELETE', endpoint_url, params=params)
return response
def get_qsessions_metadata(session_ids: list) -> dict:
"""
Get metadata of currently queued RTR sessions by session IDs
:param session_ids: List of session ids to retrieve metadata for
"""
endpoint_url = '/real-time-response/entities/queued-sessions/GET/v1'
if helpers.is_expiring(BATCH_LIFE_TIME, BATCH_REQ_TIME):
refresh_rtr_session()
body = json.dumps({'ids': session_ids})
response = http_request('POST', endpoint_url, data=body)
return response
def delete_qsession_command(session_id: str, cloud_request_id: str) -> dict:
"""
Delete a queued RTR session command by session ID and cloud request ID
:param session_id:
:param cloud_request_id:
"""
endpoint_url = '/real-time-response/entities/queued-sessions/command/v1'
if helpers.is_expiring(BATCH_LIFE_TIME, BATCH_REQ_TIME):
refresh_rtr_session()
params = {'session_id': session_id, 'cloud_request_id': cloud_request_id}
response = http_request('DELETE', endpoint_url, params=params)
return response
def run_batch_cmd(command_type: str, full_command: str) -> dict:
"""
Batch executes a RTR active-responder command across the hosts mapped to the given batch id
:param command_type: Command type we are going to execute, for example: ls or cd.
:param full_command: Full command string for the command.
"""
endpoint_url = '/real-time-response/combined/batch-command/v1'
if helpers.is_expiring(BATCH_LIFE_TIME, BATCH_REQ_TIME):
refresh_rtr_session()
params = {'timeout_duration': '2m'}
body = json.dumps({
'base_command': command_type,
'batch_id': BATCH_ID,
'command_string': full_command
})
response = http_request('POST', endpoint_url, params=params, data=body)
return response
def get_token(new_token: bool = False) -> str:
"""
Retrieves the token from the server if it's expired and updates the global HEADERS to include it
:param new_token: If set to True will generate a new token regardless of time passed
:return: Token
"""
global HEADERS, TOKEN
auth_token = TOKEN
if new_token:
auth_token = get_token_request()
else:
if helpers.is_expiring(TOKEN_LIFE_TIME, TOKEN_REQ_TIME):
auth_token = get_token_request()
HEADERS['Authorization'] = 'Bearer {}'.format(auth_token)
TOKEN = auth_token
with open(TOKEN_PATH, 'w') as outfile:
outfile.write(auth_token)
return auth_token
def http_request(method: str,
url_suffix: str,
params: dict = None,
data: dict = None,
headers: dict = HEADERS,
files: dict = None,
safe: bool = False,
get_token_flag: bool = True) -> dict:
"""
A wrapper for requests lib to send our requests and handle requests and responses better.
:param method: HTTP method for the request.
:param url_suffix: The suffix of the URL (endpoint)
:param params: The URL params to be passed.
:param data: The body data of the request.
:param headers: Request headers
:param files: The files data of the request
:param safe: If set to true will return None in case of http error
:param get_token_flag: If set to True will call get_token()
:return: Returns the http request response json
"""
response = ""
if get_token_flag:
token = get_token()
headers['Authorization'] = 'Bearer {}'.format(token)
url = SERVER + url_suffix
try:
response = requests.request(method,
url,
verify=USE_SSL,
params=params,
data=data,
headers=headers,
files=files)
except requests.exceptions.RequestException:
print(
'Error in connection to the server. Please make sure you entered the URL correctly.'
)
try:
resp_json = response.json()
# print(url_suffix, response.status_code) # debug
if response.status_code not in {200, 201, 202}:
reason = response.reason
resources = resp_json.get('resources', {})
if resources and type(resources) is dict:
for host_id, resource in resources.items():
errors = resource.get('errors', [])
if errors:
error_message = errors[0].get('message')
reason += f'\nHost ID {host_id} - {error_message}'
elif resp_json.get('errors'):
errors = resp_json.get('errors', [])
for error in errors:
reason += f"\n{error.get('message')}"
err_msg = 'Error in API call to CrowdStrike Falcon: code: {code} - reason: {reason}'.format(
code=response.status_code, reason=reason)
# try to create a new token
if response.status_code in (401, 403):
if helpers.is_expiring(TOKEN_LIFE_TIME, TOKEN_REQ_TIME):
get_token(new_token=True)
return http_request(method,
url_suffix,
params,
data,
HEADERS,
files,
safe,
get_token_flag=False)
elif safe:
return None
print(err_msg)
return resp_json
except ValueError as exception:
if url_suffix == '/real-time-response/entities/sessions/v1' and method == 'DELETE': # empty json when success
pass
else:
raise ValueError(
f'Failed to parse json object from response: {exception} - {response.content}'
)
