def _determine_auth_handler(self, r):
# Determine the Authenticaiton Handler to use (token, kerberos, NTLM)
# First try the Token Authentication
try:
ArcGISServerTokenAuth._init(self, r)
if self._auth_info.get("isTokenBasedSecurity"):
self._instanceof = ArcGISServerTokenAuth
return True
except TokenAuthenticationError:
# catch & throw away exception and try other handlers.
pass
# If token auth fails, check for "Web-Tier" security
lr = self._last_request
auths = []
if lr.status_code == 401 and lr.headers.get(
"WWW-Authenticate") is not None:
auths = lr.headers.get("WWW-Authenticate").split(", ")
# Try Kerberos
if 'Negotiate' in auths:
test_req = requests.head(r.url,
auth=HTTPKerberosAuth(),
verify=self.verify)
if test_req.status_code == 200:
self._instanceof = HTTPKerberosAuth
self._auth_info = {"isTokenBasedSecurity": False}
HTTPKerberosAuth.__init__(self)
return True
# Try NTLM
if 'Negotiate' in auths or 'NTLM' in auths:
test_req = requests.head(r.url,
auth=HttpNtlmAuth(self.username,
self.password),
verify=self.verify)
if test_req.status_code == 200:
self._instanceof = HttpNtlmAuth
self._auth_info = {"isTokenBasedSecurity": False}
HttpNtlmAuth.__init__(self, self.username, self.password)
return True
return False
def _determine_auth_handler(self, r):
# Determine the Authenticaiton Handler to use (token, kerberos, NTLM)
# First try the Token Authentication
self._last_request = requests.head(self._get_token_url(r),
verify=self.verify)
if self._last_request.status_code == 200:
ArcGISPortalTokenAuth._init(self, r)
self._instanceof = ArcGISPortalTokenAuth
self._auth_info = {"isTokenBasedSecurity": True}
return True
# If token auth fails, check for "Web-Tier" security
lr = self._last_request
auths = []
if lr.status_code == 401 and lr.headers.get(
"WWW-Authenticate") is not None:
auths = lr.headers.get("WWW-Authenticate").split(", ")
# Try Kerberos
if 'Negotiate' in auths:
self._last_request = requests.head(r.url,
auth=HTTPKerberosAuth(),
verify=self.verify)
if self._last_request.status_code == 200:
self._instanceof = HTTPKerberosAuth
self._auth_info = {"isTokenBasedSecurity": False}
HTTPKerberosAuth.__init__(self)
return True
# Try NTLM
if 'Negotiate' in auths or 'NTLM' in auths:
self._last_request = requests.head(r.url,
auth=HttpNtlmAuth(
self.username,
self.password),
verify=self.verify)
if self._last_request.status_code == 200:
self._instanceof = HttpNtlmAuth
self._auth_info = {"isTokenBasedSecurity": False}
HttpNtlmAuth.__init__(self, self.username, self.password)
return True
return False
