def authenticate(self, request, auth_url=None, **kwargs):
"""Authenticates a user via the Keystone Identity API."""
LOG.debug('Beginning user authentication')
if not auth_url:
auth_url = settings.OPENSTACK_KEYSTONE_URL
auth_url, url_fixed = utils.fix_auth_url_version_prefix(auth_url)
if url_fixed:
LOG.warning("The OPENSTACK_KEYSTONE_URL setting points to a v2.0 "
"Keystone endpoint, but v3 is specified as the API "
"version to use by Horizon. Using v3 endpoint for "
"authentication.")
plugin, unscoped_auth = self._get_auth_backend(auth_url, **kwargs)
# the recent project id a user might have set in a cookie
recent_project = None
if request:
# Grab recent_project found in the cookie, try to scope
# to the last project used.
recent_project = request.COOKIES.get('recent_project')
unscoped_auth_ref = plugin.get_access_info(unscoped_auth)
# Check expiry for our unscoped auth ref.
self._check_auth_expiry(unscoped_auth_ref)
domain_name = kwargs.get('user_domain_name', None)
domain_auth, domain_auth_ref = plugin.get_domain_scoped_auth(
unscoped_auth, unscoped_auth_ref, domain_name)
scoped_auth, scoped_auth_ref = plugin.get_project_scoped_auth(
unscoped_auth, unscoped_auth_ref, recent_project=recent_project)
# Abort if there are no projects for this user and a valid domain
# token has not been obtained
#
# The valid use cases for a user login are:
# Keystone v2: user must have a role on a project and be able
# to obtain a project scoped token
# Keystone v3: 1) user can obtain a domain scoped token (user
# has a role on the domain they authenticated to),
# only, no roles on a project
# 2) user can obtain a domain scoped token and has
# a role on a project in the domain they
# authenticated to (and can obtain a project scoped
# token)
# 3) user cannot obtain a domain scoped token, but can
# obtain a project scoped token
if not scoped_auth_ref and domain_auth_ref:
# if the user can't obtain a project scoped token, set the scoped
# token to be the domain token, if valid
scoped_auth = domain_auth
scoped_auth_ref = domain_auth_ref
elif not scoped_auth_ref and not domain_auth_ref:
msg = _('You are not authorized for any projects or domains.')
raise exceptions.KeystoneNoProjectsException(msg)
# Check expiry for our new scoped token.
self._check_auth_expiry(scoped_auth_ref)
# We want to try to use the same region we just logged into
# which may or may not be the default depending upon the order
# keystone uses
region_name = None
id_endpoints = scoped_auth_ref.service_catalog.\
get_endpoints(service_type='identity')
for id_endpoint in id_endpoints['identity']:
if auth_url in id_endpoint.values():
region_name = id_endpoint['region']
break
interface = settings.OPENSTACK_ENDPOINT_TYPE
endpoint = scoped_auth_ref.service_catalog.url_for(
service_type='identity',
interface=interface,
region_name=region_name)
# If we made it here we succeeded. Create our User!
unscoped_token = unscoped_auth_ref.auth_token
user = auth_user.create_user_from_token(
request,
auth_user.Token(scoped_auth_ref, unscoped_token=unscoped_token),
endpoint,
services_region=region_name)
if request is not None:
# if no k2k providers exist then the function returns quickly
utils.store_initial_k2k_session(auth_url, request, scoped_auth_ref,
unscoped_auth_ref)
request.session['unscoped_token'] = unscoped_token
if domain_auth_ref:
# check django session engine, if using cookies, this will not
# work, as it will overflow the cookie so don't add domain
# scoped token to the session and put error in the log
if utils.using_cookie_backed_sessions():
LOG.error('Using signed cookies as SESSION_ENGINE with '
'OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT is '
'enabled. This disables the ability to '
'perform identity operations due to cookie size '
'constraints.')
else:
request.session['domain_token'] = domain_auth_ref
request.user = user
timeout = settings.SESSION_TIMEOUT
token_life = user.token.expires - datetime.datetime.now(pytz.utc)
session_time = min(timeout, int(token_life.total_seconds()))
request.session.set_expiry(session_time)
keystone_client_class = utils.get_keystone_client().Client
session = utils.get_session()
scoped_client = keystone_client_class(session=session,
auth=scoped_auth)
# Support client caching to save on auth calls.
setattr(request, KEYSTONE_CLIENT_ATTR, scoped_client)
LOG.debug('Authentication completed.')
return user
def authenticate(self, auth_url=None, **kwargs):
"""Authenticates a user via the Keystone Identity API."""
LOG.debug('Beginning user authentication')
if not auth_url:
auth_url = settings.OPENSTACK_KEYSTONE_URL
auth_url = utils.fix_auth_url_version(auth_url)
for plugin in self.auth_plugins:
unscoped_auth = plugin.get_plugin(auth_url=auth_url, **kwargs)
if unscoped_auth:
break
else:
msg = _('No authentication backend could be determined to '
'handle the provided credentials.')
LOG.warn('No authentication backend could be determined to '
'handle the provided credentials. This is likely a '
'configuration error that should be addressed.')
raise exceptions.KeystoneAuthException(msg)
session = utils.get_session()
keystone_client_class = utils.get_keystone_client().Client
try:
unscoped_auth_ref = unscoped_auth.get_access(session)
except keystone_exceptions.ConnectFailure as exc:
LOG.error(str(exc))
msg = _('Unable to establish connection to keystone endpoint.')
raise exceptions.KeystoneAuthException(msg)
except (keystone_exceptions.Unauthorized,
keystone_exceptions.Forbidden,
keystone_exceptions.NotFound) as exc:
LOG.debug(str(exc))
raise exceptions.KeystoneAuthException(_('Invalid credentials.'))
except (keystone_exceptions.ClientException,
keystone_exceptions.AuthorizationFailure) as exc:
msg = _("An error occurred authenticating. "
"Please try again later.")
LOG.debug(str(exc))
raise exceptions.KeystoneAuthException(msg)
# Check expiry for our unscoped auth ref.
self.check_auth_expiry(unscoped_auth_ref)
# domain support can require domain scoped tokens to perform
# identity operations depending on the policy files being used
# for keystone.
domain_auth = None
domain_auth_ref = None
if utils.get_keystone_version() >= 3 and 'user_domain_name' in kwargs:
try:
token = unscoped_auth_ref.auth_token
domain_auth = utils.get_token_auth_plugin(
auth_url, token, domain_name=kwargs['user_domain_name'])
domain_auth_ref = domain_auth.get_access(session)
except Exception:
LOG.debug('Error getting domain scoped token.', exc_info=True)
projects = plugin.list_projects(session, unscoped_auth,
unscoped_auth_ref)
# Attempt to scope only to enabled projects
projects = [project for project in projects if project.enabled]
# Abort if there are no projects for this user and a valid domain
# token has not been obtained
#
# The valid use cases for a user login are:
# Keystone v2: user must have a role on a project and be able
# to obtain a project scoped token
# Keystone v3: 1) user can obtain a domain scoped token (user
# has a role on the domain they authenticated to),
# only, no roles on a project
# 2) user can obtain a domain scoped token and has
# a role on a project in the domain they
# authenticated to (and can obtain a project scoped
# token)
# 3) user cannot obtain a domain scoped token, but can
# obtain a project scoped token
if not projects and not domain_auth_ref:
msg = _('You are not authorized for any projects.')
if utils.get_keystone_version() >= 3:
msg = _('You are not authorized for any projects or domains.')
raise exceptions.KeystoneAuthException(msg)
# the recent project id a user might have set in a cookie
recent_project = None
request = kwargs.get('request')
if request:
# Grab recent_project found in the cookie, try to scope
# to the last project used.
recent_project = request.COOKIES.get('recent_project')
# if a most recent project was found, try using it first
if recent_project:
for pos, project in enumerate(projects):
if project.id == recent_project:
# move recent project to the beginning
projects.pop(pos)
projects.insert(0, project)
break
for project in projects:
token = unscoped_auth_ref.auth_token
scoped_auth = utils.get_token_auth_plugin(auth_url,
token=token,
project_id=project.id)
try:
scoped_auth_ref = scoped_auth.get_access(session)
except (keystone_exceptions.ClientException,
keystone_exceptions.AuthorizationFailure):
pass
else:
break
else:
# if the user can't obtain a project scoped token, set the scoped
# token to be the domain token, if valid
if domain_auth_ref:
scoped_auth = domain_auth
scoped_auth_ref = domain_auth_ref
else:
# if no domain or project token for user, abort
msg = _("Unable to authenticate to any available projects.")
raise exceptions.KeystoneAuthException(msg)
# Check expiry for our new scoped token.
self.check_auth_expiry(scoped_auth_ref)
interface = getattr(settings, 'OPENSTACK_ENDPOINT_TYPE', 'public')
# If we made it here we succeeded. Create our User!
unscoped_token = unscoped_auth_ref.auth_token
user = auth_user.create_user_from_token(
request,
auth_user.Token(scoped_auth_ref, unscoped_token=unscoped_token),
scoped_auth_ref.service_catalog.url_for(service_type='identity',
interface=interface))
if request is not None:
request.session['unscoped_token'] = unscoped_token
if domain_auth_ref:
# check django session engine, if using cookies, this will not
# work, as it will overflow the cookie so don't add domain
# scoped token to the session and put error in the log
if utils.using_cookie_backed_sessions():
LOG.error('Using signed cookies as SESSION_ENGINE with '
'OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT is '
'enabled. This disables the ability to '
'perform identity operations due to cookie size '
'constraints.')
else:
request.session['domain_token'] = domain_auth_ref
request.user = user
# Custom hack for WMF:
if 'extended_session' in kwargs and kwargs['extended_session']:
timeout = getattr(settings, "SESSION_TIMEOUT", 86400)
else:
timeout = getattr(settings, "SESSION_SHORT_TIMEOUT", 1800)
token_life = user.token.expires - datetime.datetime.now(pytz.utc)
# Fix for https://bugs.launchpad.net/django-openstack-auth/+bug/1562452:
session_time = min(timeout, int(token_life.total_seconds()))
request.session.set_expiry(session_time)
scoped_client = keystone_client_class(session=session,
auth=scoped_auth)
# Support client caching to save on auth calls.
setattr(request, KEYSTONE_CLIENT_ATTR, scoped_client)
LOG.debug('Authentication completed.')
return user
def authenticate(self, auth_url=None, **kwargs):
"""Authenticates a user via the Keystone Identity API."""
LOG.debug('Beginning user authentication')
if not auth_url:
auth_url = settings.OPENSTACK_KEYSTONE_URL
auth_url = utils.fix_auth_url_version(auth_url)
for plugin in self.auth_plugins:
unscoped_auth = plugin.get_plugin(auth_url=auth_url, **kwargs)
if unscoped_auth:
break
else:
msg = _('No authentication backend could be determined to '
'handle the provided credentials.')
LOG.warning('No authentication backend could be determined to '
'handle the provided credentials. This is likely a '
'configuration error that should be addressed.')
raise exceptions.KeystoneAuthException(msg)
session = utils.get_session()
keystone_client_class = utils.get_keystone_client().Client
try:
unscoped_auth_ref = unscoped_auth.get_access(session)
except keystone_exceptions.ConnectFailure as exc:
LOG.error(str(exc))
msg = _('Unable to establish connection to keystone endpoint.')
raise exceptions.KeystoneAuthException(msg)
except (keystone_exceptions.Unauthorized,
keystone_exceptions.Forbidden,
keystone_exceptions.NotFound) as exc:
LOG.debug(str(exc))
raise exceptions.KeystoneAuthException(_('Invalid credentials.'))
except (keystone_exceptions.ClientException,
keystone_exceptions.AuthorizationFailure) as exc:
msg = _("An error occurred authenticating. "
"Please try again later.")
LOG.debug(str(exc))
raise exceptions.KeystoneAuthException(msg)
# Check expiry for our unscoped auth ref.
self.check_auth_expiry(unscoped_auth_ref)
# domain support can require domain scoped tokens to perform
# identity operations depending on the policy files being used
# for keystone.
domain_auth = None
domain_auth_ref = None
if utils.get_keystone_version() >= 3 and 'user_domain_name' in kwargs:
try:
token = unscoped_auth_ref.auth_token
domain_auth = utils.get_token_auth_plugin(
auth_url,
token,
domain_name=kwargs['user_domain_name'])
domain_auth_ref = domain_auth.get_access(session)
except Exception:
LOG.debug('Error getting domain scoped token.', exc_info=True)
projects = plugin.list_projects(session,
unscoped_auth,
unscoped_auth_ref)
# Attempt to scope only to enabled projects
projects = [project for project in projects if project.enabled]
# Abort if there are no projects for this user and a valid domain
# token has not been obtained
#
# The valid use cases for a user login are:
# Keystone v2: user must have a role on a project and be able
# to obtain a project scoped token
# Keystone v3: 1) user can obtain a domain scoped token (user
# has a role on the domain they authenticated to),
# only, no roles on a project
# 2) user can obtain a domain scoped token and has
# a role on a project in the domain they
# authenticated to (and can obtain a project scoped
# token)
# 3) user cannot obtain a domain scoped token, but can
# obtain a project scoped token
if not projects and not domain_auth_ref:
msg = _('You are not authorized for any projects.')
if utils.get_keystone_version() >= 3:
msg = _('You are not authorized for any projects or domains.')
raise exceptions.KeystoneAuthException(msg)
# the recent project id a user might have set in a cookie
recent_project = None
request = kwargs.get('request')
if request:
# Grab recent_project found in the cookie, try to scope
# to the last project used.
recent_project = request.COOKIES.get('recent_project')
# if a most recent project was found, try using it first
if recent_project:
for pos, project in enumerate(projects):
if project.id == recent_project:
# move recent project to the beginning
projects.pop(pos)
projects.insert(0, project)
break
for project in projects:
token = unscoped_auth_ref.auth_token
scoped_auth = utils.get_token_auth_plugin(auth_url,
token=token,
project_id=project.id)
try:
scoped_auth_ref = scoped_auth.get_access(session)
except (keystone_exceptions.ClientException,
keystone_exceptions.AuthorizationFailure):
pass
else:
break
else:
# if the user can't obtain a project scoped token, set the scoped
# token to be the domain token, if valid
if domain_auth_ref:
scoped_auth = domain_auth
scoped_auth_ref = domain_auth_ref
else:
# if no domain or project token for user, abort
msg = _("Unable to authenticate to any available projects.")
raise exceptions.KeystoneAuthException(msg)
# Check expiry for our new scoped token.
self.check_auth_expiry(scoped_auth_ref)
# We want to try to use the same region we just logged into
# which may or may not be the default depending upon the order
# keystone uses
region_name = None
id_endpoints = scoped_auth_ref.service_catalog.\
get_endpoints(service_type='identity')
for id_endpoint in [cat for cat in id_endpoints['identity']]:
if auth_url in id_endpoint.values():
region_name = id_endpoint['region']
break
interface = getattr(settings, 'OPENSTACK_ENDPOINT_TYPE', 'public')
endpoint = utils.fix_auth_url_version(
scoped_auth_ref.service_catalog.url_for(
service_type='identity',
interface=interface,
region_name=region_name))
# If we made it here we succeeded. Create our User!
unscoped_token = unscoped_auth_ref.auth_token
user = auth_user.create_user_from_token(
request,
auth_user.Token(scoped_auth_ref, unscoped_token=unscoped_token),
endpoint,
services_region=region_name)
if request is not None:
request.session['unscoped_token'] = unscoped_token
if domain_auth_ref:
# check django session engine, if using cookies, this will not
# work, as it will overflow the cookie so don't add domain
# scoped token to the session and put error in the log
if utils.using_cookie_backed_sessions():
LOG.error('Using signed cookies as SESSION_ENGINE with '
'OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT is '
'enabled. This disables the ability to '
'perform identity operations due to cookie size '
'constraints.')
else:
request.session['domain_token'] = domain_auth_ref
request.user = user
timeout = getattr(settings, "SESSION_TIMEOUT", 3600)
token_life = user.token.expires - datetime.datetime.now(pytz.utc)
session_time = min(timeout, int(token_life.total_seconds()))
request.session.set_expiry(session_time)
scoped_client = keystone_client_class(session=session,
auth=scoped_auth)
# Support client caching to save on auth calls.
setattr(request, KEYSTONE_CLIENT_ATTR, scoped_client)
LOG.debug('Authentication completed.')
return user
def authenticate(self, auth_url=None, **kwargs):
"""Authenticates a user via the Keystone Identity API."""
LOG.debug('Beginning user authentication')
if not auth_url:
auth_url = settings.OPENSTACK_KEYSTONE_URL
auth_url, url_fixed = utils.fix_auth_url_version_prefix(auth_url)
if url_fixed:
LOG.warning("The OPENSTACK_KEYSTONE_URL setting points to a v2.0 "
"Keystone endpoint, but v3 is specified as the API "
"version to use by Horizon. Using v3 endpoint for "
"authentication.")
plugin, unscoped_auth = self._get_auth_backend(auth_url, **kwargs)
# the recent project id a user might have set in a cookie
recent_project = None
request = kwargs.get('request')
if request:
# Grab recent_project found in the cookie, try to scope
# to the last project used.
recent_project = request.COOKIES.get('recent_project')
unscoped_auth_ref = plugin.get_access_info(unscoped_auth)
# Check expiry for our unscoped auth ref.
self.check_auth_expiry(unscoped_auth_ref)
domain_name = kwargs.get('user_domain_name', None)
domain_auth, domain_auth_ref = plugin.get_domain_scoped_auth(
unscoped_auth, unscoped_auth_ref, domain_name)
scoped_auth, scoped_auth_ref = plugin.get_project_scoped_auth(
unscoped_auth, unscoped_auth_ref, recent_project=recent_project)
# Abort if there are no projects for this user and a valid domain
# token has not been obtained
#
# The valid use cases for a user login are:
# Keystone v2: user must have a role on a project and be able
# to obtain a project scoped token
# Keystone v3: 1) user can obtain a domain scoped token (user
# has a role on the domain they authenticated to),
# only, no roles on a project
# 2) user can obtain a domain scoped token and has
# a role on a project in the domain they
# authenticated to (and can obtain a project scoped
# token)
# 3) user cannot obtain a domain scoped token, but can
# obtain a project scoped token
if not scoped_auth_ref and domain_auth_ref:
# if the user can't obtain a project scoped token, set the scoped
# token to be the domain token, if valid
scoped_auth = domain_auth
scoped_auth_ref = domain_auth_ref
elif not scoped_auth_ref and not domain_auth_ref:
msg = _('You are not authorized for any projects.')
if utils.get_keystone_version() >= 3:
msg = _('You are not authorized for any projects or domains.')
raise exceptions.KeystoneAuthException(msg)
# Check expiry for our new scoped token.
self.check_auth_expiry(scoped_auth_ref)
# We want to try to use the same region we just logged into
# which may or may not be the default depending upon the order
# keystone uses
region_name = None
id_endpoints = scoped_auth_ref.service_catalog.\
get_endpoints(service_type='identity')
for id_endpoint in [cat for cat in id_endpoints['identity']]:
if auth_url in id_endpoint.values():
region_name = id_endpoint['region']
break
interface = getattr(settings, 'OPENSTACK_ENDPOINT_TYPE', 'public')
endpoint, url_fixed = utils.fix_auth_url_version_prefix(
scoped_auth_ref.service_catalog.url_for(
service_type='identity',
interface=interface,
region_name=region_name))
if url_fixed:
LOG.warning("The Keystone URL in service catalog points to a v2.0 "
"Keystone endpoint, but v3 is specified as the API "
"version to use by Horizon. Using v3 endpoint for "
"authentication.")
# If we made it here we succeeded. Create our User!
unscoped_token = unscoped_auth_ref.auth_token
user = auth_user.create_user_from_token(
request,
auth_user.Token(scoped_auth_ref, unscoped_token=unscoped_token),
endpoint,
services_region=region_name)
if request is not None:
# if no k2k providers exist then the function returns quickly
utils.store_initial_k2k_session(auth_url, request, scoped_auth_ref,
unscoped_auth_ref)
request.session['unscoped_token'] = unscoped_token
if domain_auth_ref:
# check django session engine, if using cookies, this will not
# work, as it will overflow the cookie so don't add domain
# scoped token to the session and put error in the log
if utils.using_cookie_backed_sessions():
LOG.error('Using signed cookies as SESSION_ENGINE with '
'OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT is '
'enabled. This disables the ability to '
'perform identity operations due to cookie size '
'constraints.')
else:
request.session['domain_token'] = domain_auth_ref
request.user = user
timeout = getattr(settings, "SESSION_TIMEOUT", 3600)
token_life = user.token.expires - datetime.datetime.now(pytz.utc)
session_time = min(timeout, int(token_life.total_seconds()))
request.session.set_expiry(session_time)
keystone_client_class = utils.get_keystone_client().Client
session = utils.get_session()
scoped_client = keystone_client_class(session=session,
auth=scoped_auth)
# Support client caching to save on auth calls.
setattr(request, KEYSTONE_CLIENT_ATTR, scoped_client)
LOG.debug('Authentication completed.')
return user
