def restart_timer(self):
refresh_period = self._expiry - \
int(global_config.TOKEN_REFRESH_PREFETCH)
self.refresh_token_timer.stop()
self.refresh_token_timer = PerpetualTimer(refresh_period,
self.refresh_token)
self.refresh_token_timer.start()
LOG_INFO(
'Token refresh timer started. Refresh will be attempted every {} sec.'
.format(refresh_period))
def get_endpoints(self, bearer_token, module_name=None):
LOG_DEBUG('Getting endpoints with bearer :{}'.format(bearer_token))
if(module_name):
endpoints_url = self.iam_endpoint + \
global_config.IAM_GET_EP_URI + '/' + module_name.encode('utf8')
else:
endpoints_url = self.iam_endpoint + global_config.IAM_GET_EP_URI
auth_header = {'Content-Type': 'application/x-www-form-urlencoded',
'Authorization': str('Bearer ' + bearer_token)}
try:
endpoints_response = requests.get(
endpoints_url, headers=auth_header)
endpoints_json = endpoints_response.json()
if endpoints_response.status_code != httplib.OK:
# Check that at least error code is present in response
if('error_code' in endpoints_json and
'error_message' in endpoints_json):
LOG_ERR('Request for Endpoints failed with error: {}'
.format(endpoints_json['error_message']))
else:
LOG_ERR(
'Unexpected JSON response "{}" received'.format(endpoints_json))
endpoints_json = {
'error_code': 2001, 'error_message': ERROR_CODE[2001]}
else:
LOG_INFO('Endpoints received')
return endpoints_json
except ValueError as ve:
LOG_ERR(
'Invalid response received while getting endpoints:{}'.format(ve))
except requests.exceptions.HTTPError as he:
LOG_ERR(
'Request for getting endpoints failed. Error from server:{}'.format(he))
except requests.exceptions.ConnectionError as ce:
LOG_ERR(
'Request for getting endpoints failed due to connection error: {}.'.format(ce))
except requests.exceptions.Timeout as to:
LOG_ERR('Request for getting endpoints timed-out.')
except Exception as ex:
LOG_ERR('Unknown exception while getting endpoints:{}.'.format(ex))
# Flow should never reach here
return {'error_code': 10001, 'error_message': ERROR_CODE[10001]}
def register_module(self, module_name, module_endpoint, target_apis, username, password):
LOG_INFO('Registering {} reachable at {}'.format(
module_name, module_endpoint))
# Login before registration
oauth_token = self.login(username, password)
if(oauth_token and oauth_token.get_status() == REQUEST_STATUS.OK):
register_input = {}
register_input['target_apis'] = target_apis
register_input['module_name'] = module_name
register_input['module_end_point'] = module_endpoint
register_url = self.iam_endpoint + \
global_config.IAM_MOD_REGISTER_URI
try:
register_response = requests.post(
register_url, json=register_input)
# If Registration is successful, nothing to do, just
# return the the token object from login, else create
# a new token object with registration error
if register_response.status_code != httplib.OK:
LOG_ERR('Registration Failed with error: {}'.format(
register_response.status_code))
json_response = register_response.json()
# Check that at least error code is present in response
if('error_code' in json_response and
'error_message' in json_response):
LOG_ERR('Registration failed with error: {}'.format(
json_response['error_message']))
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
json_response['error_code'],
json_response['error_message'])
else:
LOG_ERR(
'Invalid response received during registration')
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
2001,
ERROR_CODE[2001])
register_response.raise_for_status()
else:
LOG_INFO('Registration Successful')
except ValueError as ve:
LOG_ERR(
'Invalid response received for registration request:{}'.format(ve))
except requests.exceptions.HTTPError as he:
LOG_ERR(
'Registration request failed. Error from server:{}'.format(he))
except requests.exceptions.ConnectionError as ce:
LOG_ERR(
'Registration request failed due to connection error: {}.'.format(ce))
except requests.exceptions.Timeout as to:
LOG_ERR('Registration request timed-out.')
except Exception as ex:
LOG_ERR('Unknown exception during Registration:{}.'.format(ex))
else:
LOG_ERR('Registration Failed to login failure')
return oauth_token
def logoff(self, bearer_token):
LOG_DEBUG('Logging off user with bearer :{}'.format(bearer_token))
token_revoke_url = self.iam_endpoint + \
global_config.IAM_TOKEN_REVOKE_URI
auth_header = {'Authorization': str('Bearer ' + bearer_token)}
try:
token_revoke_response = requests.get(
token_revoke_url, headers=auth_header)
if token_revoke_response.status_code != httplib.OK:
# I am only interested in response JSON if request failed
token_revoke_json = token_revoke_response.json()
# Check that at least error code is present in response
if('error_code' in token_revoke_json and
'error_message' in token_revoke_json):
LOG_ERR('Request for logoff failed with error: {}'
.format(token_revoke_json['error_message']))
# Create incomplete object
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
token_revoke_json['error_code'],
token_revoke_json['error_message'])
else:
LOG_ERR(
'Unexpected JSON response "{}" received'.format(token_revoke_json))
# Create incomplete object
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
2001,
ERROR_CODE[2001])
else:
LOG_INFO('User logged off')
# Create incomplete object
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.OK,
None,
None)
return oauth_token
except ValueError as ve:
LOG_ERR(
'Invalid response received while logging off:{}'.format(ve))
except requests.exceptions.HTTPError as he:
LOG_ERR(
'Request for logging off failed. Error from server:{}'.format(he))
except requests.exceptions.ConnectionError as ce:
LOG_ERR(
'Request for logging off failed due to connection error: {}.'.format(ce))
except requests.exceptions.Timeout as to:
LOG_ERR('Request for logging off timed-out.')
except Exception as ex:
LOG_ERR('Unknown exception while logging off:{}.'.format(ex))
# Flow should never reach here
return OAuthToken(None, None, None, None, REQUEST_STATUS.NOK,
10001, ERROR_CODE[10001])
def login(self, username, password):
oauth_token = None
LOG_INFO('Logging in')
LOG_DEBUG('{} logging in'.format(username))
login_input = {}
login_input['username'] = username
login_input['password'] = password
login_input['grant_type'] = global_config.OAUTH_GRANT_TYPE
login_input['client_id'] = global_config.PROXY_CLIENT_ID
login_input['client_pw'] = global_config.PROXY_CLIENT_KEY
login_url = self.iam_endpoint + global_config.IAM_USER_LOGIN_URI
try:
login_response = requests.post(login_url, json=login_input)
if login_response.status_code == httplib.OK:
LOG_INFO('Login Successful')
token_response = login_response.json()
# Check that mandatory parameters are present in response
if('access_token' in token_response and
'refresh_token' in token_response and
'scope' in token_response and
'token_type' in token_response and
'expires_in' in token_response):
# Create a token object from the response
oauth_token = OAuthToken(token_response['access_token'],
token_response['refresh_token'],
token_response['expires_in'],
token_response['scope'],
REQUEST_STATUS.OK)
else:
LOG_INFO('No token received after login')
# Check that at least error code is present in response
if('error_code' in token_response and
'error_message' in token_response):
# Create incomplete object
LOG_ERR(
'Login failed with error: {}'.format(token_response['error_message']))
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
token_response['error_code'],
token_response['error_message'])
else:
LOG_ERR('Invalid Token response received during login')
# Create incomplete object
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
2001,
ERROR_CODE[2001])
else:
LOG_ERR('Login Failed with unhandled error')
login_response.raise_for_status()
except ValueError as ve:
LOG_ERR(
'Invalid response received for login request:{}'.format(ve))
except requests.exceptions.HTTPError as he:
LOG_ERR('Login request failed. Error from server:{}'.format(he))
except requests.exceptions.ConnectionError as ce:
LOG_ERR(
'Login request failed due to connection error: {}.'.format(ce))
except requests.exceptions.Timeout as to:
LOG_ERR('Login request timed-out.')
except Exception as ex:
LOG_ERR('Unknown exception during login:{}.'.format(ex))
return oauth_token
def refresh_token(self, refresh_token):
oauth_token = None
LOG_INFO('Refreshing token')
LOG_DEBUG('Attempting token refresh with {}'.format(refresh_token))
refresh_token_input = {}
refresh_token_input['grant_type'] = global_config.OAUTH_REFRESH_GRANT
refresh_token_input['refresh_token'] = refresh_token
refresh_token_input['client_id'] = global_config.PROXY_CLIENT_ID
refresh_token_input['client_pw'] = global_config.PROXY_CLIENT_KEY
refresh_token_url = self.iam_endpoint + \
global_config.IAM_REFRESH_TOKEN_URI
try:
refresh_token_response = requests.post(
refresh_token_url, json=refresh_token_input)
if refresh_token_response.status_code == httplib.OK:
LOG_INFO('Token Refresh Successful')
token_response = refresh_token_response.json()
# Check that mandatory parameters are present in response
if('access_token' in token_response and
'refresh_token' in token_response and
'scope' in token_response and
'token_type' in token_response and
'expires_in' in token_response):
# Create a token object from the response
oauth_token = OAuthToken(token_response['access_token'],
token_response['refresh_token'],
token_response['expires_in'],
token_response['scope'],
REQUEST_STATUS.OK)
else:
LOG_INFO('No token received after token refresh')
# Check that at least error code is present in response
if('error_code' in token_response and
'error_message' in token_response):
# Create incomplete object
LOG_ERR('Token Refresh failed with error: {}'.format(
token_response['error_message']))
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
token_response['error_code'],
token_response['error_message'])
else:
LOG_ERR(
'Invalid Token response received during refresh')
# Create incomplete object
oauth_token = OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
2001,
ERROR_CODE[2001])
else:
LOG_ERR('Token Refresh failed with unhandled error')
refresh_token_response.raise_for_status()
except ValueError as ve:
LOG_ERR(
'Invalid response received for token refresh request:{}'.format(ve))
except requests.exceptions.HTTPError as he:
LOG_ERR(
'Token Refresh request failed. Error from server:{}'.format(he))
except requests.exceptions.ConnectionError as ce:
LOG_ERR(
'Token Refresh request failed due to connection error: {}.'.format(ce))
except requests.exceptions.Timeout as to:
LOG_ERR('Token Refresh request timed-out.')
except Exception as ex:
LOG_ERR('Unknown exception during Token Refresh:{}.'.format(ex))
return oauth_token
def is_token_valid(self, bearer_token):
if(not bearer_token):
LOG_ERR('Token Validation request missing token')
return OAuthToken(None, None, None, None,
REQUEST_STATUS.NOK,
2002,
ERROR_CODE[2002])
LOG_DEBUG('Validating bearer token:{}'.format(bearer_token))
token_validate_url = self.iam_endpoint + \
global_config.IAM_TOKEN_VALIDATE_URI + bearer_token
try:
token_validate_response = requests.get(token_validate_url,
auth=(global_config.PROXY_CLIENT_ID,
global_config.PROXY_CLIENT_KEY))
token_validate_json = token_validate_response.json()
if token_validate_response.status_code != httplib.OK:
# Check that at least error code is present in response
if('error_code' in token_validate_json and
'error_message' in token_validate_json):
LOG_ERR('Request for validating token failed with error: {}'
.format(token_validate_json['error_message']))
# Create dummy token object
return OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
token_validate_json['error_code'],
token_validate_json['error_message'])
else:
LOG_ERR(
'Unexpected JSON response "{}" received'.format(token_validate_json))
# Create dummy token object
return OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.NOK,
2001,
ERROR_CODE[2001])
else:
LOG_INFO('Token Validated')
# Response includes too many details,
# no one interested now, so don't report :(
LOG_DEBUG('Validated response:{}'.format(token_validate_json))
# Create dummy token object
return OAuthToken(None,
None,
None,
None,
REQUEST_STATUS.OK,
None,
None)
except ValueError as ve:
LOG_ERR(
'Invalid response received while validating token:{}'.format(ve))
except requests.exceptions.HTTPError as he:
LOG_ERR(
'Request for validating token failed. Error from server:{}'.format(he))
except requests.exceptions.ConnectionError as ce:
LOG_ERR(
'Request for validating token failed due to connection error: {}.'.format(ce))
except requests.exceptions.Timeout as to:
LOG_ERR('Request for validating token timed-out.')
except Exception as ex:
LOG_ERR('Unknown exception while validating token:{}.'.format(ex))
# Flow should never reach here
return OAuthToken(None, None, None, None, REQUEST_STATUS.NOK,
10001, ERROR_CODE[10001])
