def _obtain_new_token(self):
"""
Obtain new access token using the login-password credentials pair.
If failed to obtain token, raise an exception.
"""
response_data = self._request('post',
'getToken',
json={
'login':
settings.RECEIPTS_ATOL_LOGIN,
'pass':
settings.RECEIPTS_ATOL_PASSWORD,
})
error = response_data.get('error')
if error:
logger.error('fail obtained auth token due to %s',
error['text'],
extra={'data': error})
raise exceptions.AtolAuthTokenException()
auth_token = response_data['token']
logger.info(
'successfully obtained fresh auth token "%s" for login "%s"',
auth_token, settings.RECEIPTS_ATOL_LOGIN)
return auth_token
def _request(self, method, endpoint, params=None, headers=None, json=None):
params = params or {}
headers = headers or {}
headers.setdefault('Content-Type', 'application/json')
url = '{base_url}/{endpoint}'.format(base_url=self.base_url.rstrip('/'),
endpoint=endpoint)
logger.info('about to %s %s with headers=%s, params=%s json=%s', method, url, headers, params, json)
try:
response = requests.request(method, url, params=params, json=json,
headers=headers, timeout=self.request_timeout)
except Exception as exc:
logger.warning('failed to request %s %s with headers=%s, params=%s json=%s due to %s',
method, url, headers, params, json, exc,
exc_info=True,
extra={'data': {'json': json, 'params': params}})
raise exceptions.AtolRequestException()
# error codes other than 2xx, 400, 401 are considered unexpected and yield an exception
if response.status_code not in (200, 201, 400, 401):
try:
json_response = response.json()
except Exception:
json_response = None
logger.warning('request %s %s with headers=%s, params=%s json=%s failed with status code %s: %s',
method, url, headers, params, json, response.status_code, json_response,
extra={'data': {'json_request': json,
'response': response.content[:1000],
'json_response': json_response}})
raise exceptions.AtolRequestException()
# 401 should be handled separately by the calling code
if response.status_code == 401:
logger.info('authentication failed for request %s %s with headers=%s, params=%s json=%s: %s',
method, url, headers, params, json, response.content[:1000])
raise exceptions.AtolAuthTokenException()
try:
response_data = response.json()
except Exception as exc:
logger.warning('unable to parse json response %s due to %s',
response.content[:1000], exc,
exc_info=True, extra={'data': {'content': response.content}})
raise exceptions.AtolRequestException()
if response_data.get('error'):
logger.warning('received error response from atol url %s: %s',
url, response_data['error'],
extra={'data': {'json': json, 'params': params}})
raise exceptions.AtolClientRequestException(response=response,
response_data=response_data,
error_data=response_data['error'])
return response_data
def _obtain_new_token(self):
"""
Obtain new access token using the login-password credentials pair.
If failed to obtain token, raise an exception.
"""
response_data = self._request('post', 'getToken', json={
'login': settings.RECEIPTS_ATOL_LOGIN,
'pass': settings.RECEIPTS_ATOL_PASSWORD,
})
# all codes other than 0 (new token) and 1 (existing token) are considered errors
if response_data.get('code') not in (0, 1):
raise exceptions.AtolAuthTokenException()
auth_token = response_data['token']
logger.info('successfully obtained fresh auth token "%s" for login "%s"',
auth_token, settings.RECEIPTS_ATOL_LOGIN)
return auth_token