def get_authenticated_connection(self, server_id, request):
"""
Prepares an authenticated Blitz connection wrapper (from
L{omero.gateway}) for use with a view function.
"""
# TODO: Handle previous try_super logic; is it still needed?
userip = get_client_ip(request)
session = request.session
request = request.GET
is_secure = settings.SECURE
logger.debug("Is SSL? %s" % is_secure)
connector = session.get("connector", None)
logger.debug("Connector: %s" % connector)
if server_id is None:
# If no server id is passed, the db entry will not be used and
# instead we'll depend on the request.session and request.GET
# values
if connector is not None:
server_id = connector.server_id
else:
try:
server_id = request["server"]
except Exception:
logger.debug("No Server ID available.")
return None
# If we have an OMERO session key in our request variables attempt
# to make a connection based on those credentials.
try:
omero_session_key = request["bsession"]
connector = Connector(server_id, is_secure)
except KeyError:
# We do not have an OMERO session key in the current request.
pass
else:
# We have an OMERO session key in the current request use it
# to try join an existing connection / OMERO session.
logger.debug("Have OMERO session key %s, attempting to join..." %
omero_session_key)
connector.user_id = None
connector.omero_session_key = omero_session_key
connection = connector.join_connection(self.useragent, userip)
session["connector"] = connector
return connection
# An OMERO session is not available, we're either trying to service
# a request to a login page or an anonymous request.
username = None
password = None
try:
username = request["username"]
password = request["password"]
except KeyError:
if connector is None:
logger.debug("No username or password in request, exiting.")
# We do not have an OMERO session or a username and password
# in the current request and we do not have a valid connector.
# Raise an error (return None).
return None
if username is not None and password is not None:
# We have a username and password in the current request, or
# OMERO.webpublic is enabled and has provided us with a username
# and password via configureation. Use them to try and create a
# new connection / OMERO session.
logger.debug("Creating connection with username and password...")
connector = Connector(server_id, is_secure)
connection = connector.create_connection(self.useragent,
username,
password,
userip=userip)
session["connector"] = connector
return connection
logger.debug("Django session connector: %r" % connector)
if connector is not None:
# We have a connector, attempt to use it to join an existing
# connection / OMERO session.
connection = connector.join_connection(self.useragent, userip)
if connection is not None:
logger.debug("Connector valid, session successfully joined.")
return connection
# Fall through, we the session we've been asked to join may
# be invalid and we may have other credentials as request
# variables.
logger.debug("Connector is no longer valid, destroying...")
del session["connector"]
return None
session["connector"] = connector
return None
def get_authenticated_connection(self, server_id, request):
"""
Prepares an authenticated Blitz connection wrapper (from
L{omero.gateway}) for use with a view function.
"""
# TODO: Handle previous try_super logic; is it still needed?
session = request.session
request = request.REQUEST
is_secure = request.get('ssl', False)
logger.debug('Is SSL? %s' % is_secure)
connector = session.get('connector', None)
logger.debug('Connector: %s' % connector)
if server_id is None:
# If no server id is passed, the db entry will not be used and
# instead we'll depend on the request.session and request.REQUEST
# values
if connector is not None:
server_id = connector.server_id
else:
try:
server_id = request['server']
except:
logger.debug('No Server ID available.')
return None
# If we have an OMERO session key in our request variables attempt
# to make a connection based on those credentials.
try:
omero_session_key = request['bsession']
connector = Connector(server_id, is_secure)
except KeyError:
# We do not have an OMERO session key in the current request.
pass
else:
# We have an OMERO session key in the current request use it
# to try join an existing connection / OMERO session.
logger.debug('Have OMERO session key %s, attempting to join...' % \
omero_session_key)
connector.user_id = None
connector.omero_session_key = omero_session_key
connection = connector.join_connection(self.useragent)
session['connector'] = connector
return connection
# An OMERO session is not available, we're either trying to service
# a request to a login page or an anonymous request.
username = None
password = None
try:
username = request['username']
password = request['password']
except KeyError:
if connector is None:
logger.debug('No username or password in request, exiting.')
# We do not have an OMERO session or a username and password
# in the current request and we do not have a valid connector.
# Raise an error (return None).
return None
if username is not None and password is not None:
# We have a username and password in the current request, or
# OMERO.webpublic is enabled and has provided us with a username
# and password via configureation. Use them to try and create a
# new connection / OMERO session.
logger.debug('Creating connection with username and password...')
connector = Connector(server_id, is_secure)
connection = connector.create_connection(
self.useragent, username, password)
session['connector'] = connector
return connection
logger.debug('Django session connector: %r' % connector)
if connector is not None:
# We have a connector, attempt to use it to join an existing
# connection / OMERO session.
connection = connector.join_connection(self.useragent)
if connection is not None:
logger.debug('Connector valid, session successfully joined.')
return connection
# Fall through, we the session we've been asked to join may
# be invalid and we may have other credentials as request
# variables.
logger.debug('Connector is no longer valid, destroying...')
del session['connector']
return None
session['connector'] = connector
return connection
