import requests import urllib.parse from django.conf import settings from django.urls.exceptions import NoReverseMatch DOMAINS_PATH = 'domains/' TOKEN_PATH = '/api-token-auth/' API_PATHS = { # auth 'token-auth': '/api-token-auth/', 'my-account': 'accounts/', # services 'domain-list': 'domains/', 'address-list': 'addresses/', 'mailbox-list': 'mailboxes/', 'mailinglist-list': 'lists/', # ... TODO (@slamora) complete list of backend URLs } class Orchestra(object): def __init__(self, *args, username=None, password=None, **kwargs): self.base_url = kwargs.pop('base_url', settings.API_BASE_URL) self.username = username self.session = requests.Session() self.auth_token = kwargs.pop("auth_token", None) if self.auth_token is None: self.auth_token = self.authenticate(self.username, password) def build_absolute_uri(self, path_name): path = API_PATHS.get(path_name, None) if path is None: raise NoReverseMatch( "Not found API path name '{}'".format(path_name)) return urllib.parse.urljoin(self.base_url, path) def authenticate(self, username, password): url = self.build_absolute_uri('token-auth') response = self.session.post( url, data={"username": username, "password": password}, ) return response.json().get("token", None) def request(self, verb, resource, raise_exception=True): assert verb in ["HEAD", "GET", "POST", "PATCH", "PUT", "DELETE"] url = self.build_absolute_uri(resource) verb = getattr(self.session, verb.lower()) response = verb(url, headers={"Authorization": "Token {}".format( self.auth_token)}, allow_redirects=False) if raise_exception: response.raise_for_status() status = response.status_code output = response.json() return status, output def retrieve_service_list(self, service_name): pattern_name = '{}-list'.format(service_name) if pattern_name not in API_PATHS: raise ValueError("Unknown service {}".format(service_name)) _, output = self.request("GET", pattern_name) return output def retreve_profile(self): _, output = self.request("GET", 'my-account') return output def verify_credentials(self): """ Returns: A user profile info if the credentials are valid, None otherwise. """ status, output = self.request("GET", 'my-account', raise_exception=False) if status < 400: return output return None