Commit 502597e1 authored by Rafael Monnerat's avatar Rafael Monnerat

Added a New Class for handle SSH Connection and paramiko.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26011 20353a03-c40f-0410-a6d1-a30d3c3de9de
parent c1d6632a
...@@ -14,11 +14,20 @@ class DeferredCatalogError(Exception): ...@@ -14,11 +14,20 @@ class DeferredCatalogError(Exception):
self.error_key = error_key self.error_key = error_key
self.field_id = context.getRelativeUrl() self.field_id = context.getRelativeUrl()
class SSHConnectionError(Exception):
def __init__(self, message):
Exception.__init__(self, message)
self.message = message
def __str__(self):
return self.message
class ImmobilisationValidityError(Exception):pass class ImmobilisationValidityError(Exception):pass
class ImmobilisationCalculationError(Exception):pass class ImmobilisationCalculationError(Exception):pass
class TransformationRuleError(Exception):pass class TransformationRuleError(Exception):pass
allow_class(DeferredCatalogError) allow_class(DeferredCatalogError)
allow_class(SSHConnectionError)
allow_class(ImmobilisationValidityError) allow_class(ImmobilisationValidityError)
allow_class(ImmobilisationCalculationError) allow_class(ImmobilisationCalculationError)
allow_class(WorkflowException) allow_class(WorkflowException)
......
##############################################################################
#
# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
# Lucas Carvalho Teixeira <lucas@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from Globals import InitializeClass
from AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions
from Products.ERP5Type.Errors import SSHConnectionError
from zLOG import LOG, WARNING
try:
import paramiko
from paramiko.ssh_exception import SSHException
except ImportError:
LOG(WARNING, 0, 'The SSHConnection can not be used because Paramiko '
'is not installed!')
import os
class SSHConnection(object):
"""
Holds an SHH connection to a remote SSH server.
"""
security = ClassSecurityInfo()
def __init__(self, username, host, port, key_path):
self.username = username
self.host = host
self.port = port
if os.path.exists(key_path):
self.key_path = key_path
else:
raise ValueError, 'key_path does not exist: %s' % key_path
security.declarePublic(Permissions.ManagePortal, 'connect')
def connect(self):
"""
Get a handle to a remote connection.
"""
self.transport = paramiko.Transport((self.host, int(self.port)))
rsa_key = paramiko.RSAKey.from_private_key_file(self.key_path)
try:
self.transport.connect(username=self.username, pkey=rsa_key)
except SSHException:
self.transport.close()
raise SSHConnectionError(self.host +
": The svn key is not good for this server," +
" check if the hostname_erp5 is set to your wanted server")
else:
self.sftp = paramiko.SFTPClient.from_transport(self.transport)
security.declarePublic(Permissions.ManagePortal, 'close')
def close(self):
"""
It must close the sftp and transport connection.
"""
self.sftp.close()
self.transport.close()
InitializeClass(SSHConnection)
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