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lhubic.py
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from os import getenv
from re import search
from urllib.parse import parse_qsl, urlparse
from urllib.parse import urlencode
from getpass import getpass
from stat import S_IRUSR, S_IWUSR
from time import sleep, time, strptime, mktime, strftime, localtime, timezone
from logging import getLogger
from requests import Session
import swiftclient
REDIRECT_URI = "http://localhost:8080/"
BASE_URL = 'https://api.hubic.com/'
TOKEN_URL = BASE_URL + 'oauth/token'
AUTH_URL = BASE_URL + 'oauth/auth'
HUBIC_API_URL = BASE_URL + '1.0'
TIMEOUT = 30 # For Hubic requests
log = getLogger("lhubic")
class HubicAuthFailure(Exception) :
pass
class HubicTokenFailure(Exception):
pass
class HubicAccessFailure(Exception):
pass
class Hubic(swiftclient.client.Connection):
def __init__(self, client_id=None, client_secret=None, username=None,
password=None, refresh_token=None):
self.client_id = client_id or getenv("HUBIC_CLIENT_ID")
self.client_secret = client_secret or getenv("HUBIC_CLIENT_SECRET")
self.username = username or getenv("HUBIC_USERNAME")
self.password = password or getenv("HUBIC_PASSWORD")
self.refresh_token = refresh_token or getenv("HUBIC_REFRESH_TOKEN")
self.session = Session()
self.oauth_code = None
self.access_token = None
self.os_auth_token = None
self.os_storage_url = None
self.token_expire = None
self.os_token_expire = None
def os_auth(self):
if self.refresh_token :
log.info("os_auth: Refreshing token : %s", self.refresh_token)
self.refresh()
else:
self.auth()
r = self.hubic_get("/account/credentials").json()
self.os_auth_token = r["token"]
log.debug("os_auth: Auth token : %s" % r["token"])
self.os_storage_url = r["endpoint"]
expTime = r["expires"]
self.os_token_expire = mktime(strptime(expTime[:22]+expTime[23:],"%Y-%m-%dT%H:%M:%S%z"))
super().__init__(preauthurl=self.os_storage_url, preauthtoken=self.os_auth_token, timeout=10)
def auth(self):
try:
del self.session.headers['Authorization']
except:
pass
if not self.access_token and not self.oauth_code:
params = {'client_id' : self.client_id,
'redirect_uri' : REDIRECT_URI,
'scope' : 'usage.r,account.r,getAllLinks.r,credentials.r,activate.w,links.drw',
'response_type' : 'code',
'state' : 'none'}
r = self.session.get(AUTH_URL, params=params, allow_redirects=False, timeout=TIMEOUT)
log.debug("auth: Client authentication : %s" % r.status_code)
if r.status_code != 200:
raise HubicAuthFailure("Failed to request authorization code, check app credentials")
try:
oauthid = search('(?<=<input type="hidden" name="oauth" value=")[0-9]*', r.text).group(0)
except Exception as e:
log.error("Authorization code (client) request failure : %s" % e)
raise HubicAuthFailure("Failed to request authorization code, check app credentials")
params = {'oauth' : oauthid,
'usage': 'r',
'account': 'r',
'getAllLinks': 'r',
'credentials': 'r',
'activate': 'w',
'links': 'r',
'action': 'accepted',
'login': self.username,
'user_pwd': self.password}
params = urlencode(params) + "&links=w&links=d"
headers = {'content-type': 'application/x-www-form-urlencoded'}
r = self.session.post(AUTH_URL, data=params, headers=headers, allow_redirects=False, timeout=TIMEOUT)
log.debug("auth: Access grant : %s" % r.status_code)
try:
location = urlparse(r.headers['location'])
self.oauth_code = dict(parse_qsl(location.query))['code']
except Exception as e:
log.error("Authorization code (user) request failure : %s" % e)
raise HubicAuthFailure("Failed to request authorization code, check user/password")
params = {'code' : self.oauth_code,
'redirect_uri': REDIRECT_URI,
'grant_type' : 'authorization_code'}
r = self.session.post(TOKEN_URL, params, auth=(self.client_id, self.client_secret), allow_redirects=False, timeout=TIMEOUT)
log.debug("token: Authorization : %s" % r.status_code)
if r.status_code != 200:
log.error("Token request failure %s : %s" % r.status_code, r.content)
raise HubicTokenFailure("%s : %s" % (r.json()['error'], r.json()['error_description']))
try:
self.refresh_token = r.json()['refresh_token']
self.access_token = r.json()['access_token']
self.token_expire = time() + r.json()['expires_in']
self.token_type = r.json()['token_type']
except Exception as e :
log.error("Token request parse failure : %s / %s" % (r.content, e))
raise HubicTokenFailure
log.info("token: Access %s , refresh %s" % (self.access_token, self.refresh_token))
self.session.headers['Authorization'] = "Bearer " + self.access_token
def refresh(self):
try:
del self.session.headers['Authorization']
except:
pass
params = {'refresh_token' : self.refresh_token,
'grant_type' : 'refresh_token'}
# Unfortunately there are "200" responses without response content !
attempt = 3
while attempt > 0:
r = self.session.post(TOKEN_URL, params, auth=(self.client_id, self.client_secret), allow_redirects=True, timeout=TIMEOUT)
log.debug("refresh: grant : %s" % r.status_code)
if r.status_code != 200:
log.warning("Error refresh grant %" % r.content)
raise HubicTokenFailure("%s : %s" % (r.json()['error'], r.json()['error_description']))
try:
self.access_token = r.json()['access_token']
self.token_expire = time() + r.json()['expires_in']
self.token_type = r.json()['token_type']
break
except:
sleep(60)
attempt -= 1
else:
log.error("refresh : Fail to get grant on refresh token")
raise HubicTokenFailure("refresh_token status %s/%s" % (r.status_code, r.content))
self.session.headers['Authorization'] = "Bearer " + self.access_token
def hubic_get(self, hubic_api):
hubic_url = HUBIC_API_URL + hubic_api
if self.access_token:
if self.token_expire <= time():
self.refresh()
r = self.session.get(hubic_url, timeout=TIMEOUT)
try:
# Check if token is still valid
if r.status_code == 401 and r.json()['error'] == 'invalid_token' and r.json()['error_description'] == 'expired':
# Try to renew if possible
self.refresh()
r = self.session.get(hubic_url, timeout=TIMEOUT)
if r.status_code == 404 or r.status_code == 500:
log.error("Hubic API error : %s" % r.status_code)
raise HubicAccessFailure("%s : %s" % (r.json()['error'], r.json()['message']))
if r.status_code != 200:
log.error("Hubic API error : %s" % r.status_code)
raise HubicAccessFailure("%s : %s" % (r.json()['error'], r.json()['error_description']))
except Exception as e:
log.error("Hubic API exception %s" % e)
raise HubicAccessFailure
return r
def hubic_post(self, hubic_api, data):
hubic_url = HUBIC_API_URL + hubic_api
if self.access_token:
if self.token_expire <= time():
self.refresh()
headers = {'content-type': 'application/x-www-form-urlencoded'}
r = self.session.post(hubic_url, data=data, headers=headers, timeout=TIMEOUT)
try:
# Check if token is still valid
if r.status_code == 401 and r.json()['error'] == 'invalid_token' and r.json()['error_description'] == 'expired':
# Try to renew if possible
self.refresh()
r = self.session.post(hubic_url, data=data, headers=headers, timeout=TIMEOUT)
if r.status_code == 404 or r.status_code == 500:
log.error("Hubic API error : %s" % r.status_code)
raise HubicAccessFailure("%s : %s" % (r.json()['error'], r.json()['message']))
if r.status_code != 200:
log.error("Hubic API error : %s" % r.status_code)
raise HubicAccessFailure("%s : %s" % (r.json()['error'], r.json()['error_description']))
except Exception as e:
log.error("Hubic API exception %s" % e)
raise HubicAccessFailure
return r
def hubic_delete(self, hubic_api):
hubic_url = HUBIC_API_URL + hubic_api
if self.access_token:
if self.token_expire <= time():
self.refresh()
r = self.session.delete(hubic_url, timeout=TIMEOUT)
try:
# Check if token is still valid
if r.status_code == 401 and r.json()['error'] == 'invalid_token' and r.json()['error_description'] == 'expired':
# Try to renew if possible
self.refresh()
r = self.session.delete(hubic_url, timeout=TIMEOUT)
if r.status_code == 404 or r.status_code == 500:
log.error("Hubic API error : %s" % r.status_code)
raise HubicAccessFailure("%s : %s" % (r.json()['error'], r.json()['message']))
if r.status_code != 200:
log.error("Hubic API error : %s" % r.status_code)
raise HubicAccessFailure("%s : %s" % (r.json()['error'], r.json()['error_description']))
except Exception as e:
log.error("Hubic API exception %s" % e)
raise HubicAccessFailure
return r