Edit File: rhnserver.py
# rhn-client-tools # # Copyright (c) 2006--2016 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; version 2 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301 USA # # In addition, as a special exception, the copyright holders give # permission to link the code of portions of this program with the # OpenSSL library under certain conditions as described in each # individual source file, and distribute linked combinations # including the two. # You must obey the GNU General Public License in all respects # for all of the code used other than OpenSSL. If you modify # file(s) with this exception, you may extend this exception to your # version of the file(s), but you are not obligated to do so. If you # do not wish to do so, delete this exception statement from your # version. If you delete this exception statement from all source # files in the program, then also delete it here. from rhn.tb import raise_with_tb from up2date_client import rpcServer from up2date_client import up2dateErrors from up2date_client import capabilities import sys import OpenSSL try: # python2 import xmlrpclib except ImportError: # python3 import xmlrpc.client as xmlrpclib class _DoCallWrapper(object): """ A callable object that will handle multiple levels of attributes, and catch exceptions. """ def __init__(self, server, method_name): self._server = server self._method_name = method_name def __getattr__(self, method_name): """ Recursively build up the method name to pass to the server. """ return _DoCallWrapper(self._server, "%s.%s" % (self._method_name, method_name)) def __call__(self, *args, **kwargs): """ Call the method. Catch faults and translate them. """ method = getattr(self._server, self._method_name) try: return rpcServer.doCall(method, *args, **kwargs) except xmlrpclib.Fault: raise_with_tb(self.__exception_from_fault(sys.exc_info()[1])) except OpenSSL.SSL.Error: # TODO This should probably be moved to rhnlib and raise an # exception that subclasses OpenSSL.SSL.Error # TODO Is there a better way to detect cert failures? error = str(sys.exc_info()[1]) error = error.strip("[()]") pieces = error.split(',') message = "" if len(pieces) > 2: message = pieces[2] elif len(pieces) == 2: message = pieces[1] message = message.strip(" '") if message == 'certificate verify failed': raise_with_tb(up2dateErrors.SSLCertificateVerifyFailedError()) else: raise_with_tb(up2dateErrors.NetworkError(message)) def __exception_from_fault(self, fault): if fault.faultCode == -3: # This username is already taken, or the password is incorrect. exception = up2dateErrors.AuthenticationOrAccountCreationError(fault.faultString) elif fault.faultCode == -2: # Invalid username and password combination. exception = up2dateErrors.AuthenticationOrAccountCreationError(fault.faultString) elif fault.faultCode == -110: # Account is disabled exception = up2dateErrors.AuthenticationOrAccountCreationError(fault.faultString) elif fault.faultCode == -1: exception = up2dateErrors.UnknownMethodException(fault.faultString) elif fault.faultCode == -13: # Username is too short. exception = up2dateErrors.LoginMinLengthError(fault.faultString) elif fault.faultCode == -14: # too short password exception = up2dateErrors.PasswordMinLengthError( fault.faultString) elif fault.faultCode == -15: # bad chars in username exception = up2dateErrors.ValidationError(fault.faultString) elif fault.faultCode == -16: # Invalid product registration code. # TODO Should this really be a validation error? exception = up2dateErrors.ValidationError(fault.faultString) elif fault.faultCode == -19: # invalid exception = up2dateErrors.NoBaseChannelError(fault.faultString) elif fault.faultCode == -31: # No entitlement exception = up2dateErrors.InsuffMgmntEntsError(fault.faultString) elif fault.faultCode == -36: # rhnException.py says this means "Invalid action." # TODO find out which is right exception = up2dateErrors.PasswordError(fault.faultString) elif abs(fault.faultCode) == 49: exception = up2dateErrors.AbuseError(fault.faultString) elif abs(fault.faultCode) == 60: exception = up2dateErrors.AuthenticationTicketError(fault.faultString) elif abs(fault.faultCode) == 74: exception = up2dateErrors.RegistrationDeniedError() elif abs(fault.faultCode) == 105: exception = up2dateErrors.RhnUuidUniquenessError(fault.faultString) elif fault.faultCode == 99: exception = up2dateErrors.DelayError(fault.faultString) elif abs(fault.faultCode) == 91: exception = up2dateErrors.InsuffMgmntEntsError(fault.faultString) elif fault.faultCode == -106: # Invalid username. exception = up2dateErrors.ValidationError(fault.faultString) elif fault.faultCode == -600: # Invalid username. exception = up2dateErrors.InvalidRegistrationNumberError(fault.faultString) elif fault.faultCode == -601: # No entitlements associated with given hardware info exception = up2dateErrors.NotEntitlingError(fault.faultString) elif fault.faultCode == -602: # No entitlements associated with reg num exception = up2dateErrors.NotEntitlingError(fault.faultString) elif fault.faultCode == -2001 or fault.faultCode == -700: exception = up2dateErrors.AuthenticationOrAccountCreationError( fault.faultString) elif fault.faultCode == -701: exception = up2dateErrors.PasswordMaxLengthError( fault.faultString) elif fault.faultCode == -61: exception = up2dateErrors.ActivationKeyUsageLimitError( fault.faultString) elif fault.faultCode == -5: exception = up2dateErrors.UnableToCreateUser( fault.faultString) else: exception = up2dateErrors.CommunicationError(fault.faultString) return exception class RhnServer(object): """ An rpc server object that calls doCall for you, and catches lower level exceptions """ def __init__(self, serverOverride=None, timeout=None, rpcServerOverride=None): if rpcServerOverride is None: self._server = rpcServer.getServer(serverOverride=serverOverride, timeout=timeout) else: self._server = rpcServerOverride self._capabilities = None def __get_capabilities(self): if self._capabilities is None: headers = self._server.get_response_headers() if headers is None: self.registration.welcome_message() headers = self._server.get_response_headers() self._capabilities = capabilities.Capabilities() self._capabilities.populate(headers) return self._capabilities capabilities = property(__get_capabilities) def add_header(self, key, value): self._server.add_header(key, value) def __getattr__(self, method_name): """ Return a callable object that will do the work for us. """ return _DoCallWrapper(self._server, method_name)