# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved. # Ćukasz Nowak <luke@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility 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 # guarantees and support are strongly advised 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 AccessControl import ClassSecurityInfo from Products.ERP5Type.Globals import InitializeClass from Products.ERP5Type.Tool.BaseTool import BaseTool from Products.ERP5Type import Permissions from Products.PageTemplates.PageTemplateFile import PageTemplateFile from zLOG import LOG, INFO import os import subprocess def popenCommunicate(command_list, input=None, **kwargs): kwargs.update(stdout=subprocess.PIPE, stderr=subprocess.STDOUT) popen = subprocess.Popen(command_list, **kwargs) result = popen.communicate(input)[0] if popen.returncode is None: popen.kill() if popen.returncode != 0: raise ValueError('Issue during calling %r, result was: %r' % (command_list, result)) return result class CertificateAuthorityBusy(Exception): """Exception raised when certificate authority is busy""" pass class CertificateAuthorityDamaged(Exception): """Exception raised when certificate authority is damaged""" pass class CertificateAuthorityTool(BaseTool): """CertificateAuthorityTool This tool assumes that in certificate_authority_path openssl configuration is ready. """ id = 'portal_certificate_authority' meta_type = 'ERP5 Certificate Authority Tool' portal_type = 'Certificate Authority Tool' security = ClassSecurityInfo() allowed_types = () certificate_authority_path = '' openssl_binary = '' manage_options = (({'label': 'Edit', 'action': 'manage_editCertificateAuthorityToolForm',}, ) ) + BaseTool.manage_options _properties = (({'id':'certificate_authority_path', 'type':'string', 'mode':'w', 'label':'Absolute path to certificate authority' }, {'id':'openssl_binary', 'type':'string', 'mode':'w', 'label':'Absolute path to OpenSSL binary' }, ) ) def _lockCertificateAuthority(self): """Checks lock and locks Certificate Authority tool, raises CertificateAuthorityBusy""" if os.path.exists(self.lock): raise CertificateAuthorityBusy open(self.lock, 'w').write('locked') def _unlockCertificateAuthority(self): """Checks lock and locks Certificate Authority tool""" if os.path.exists(self.lock): os.unlink(self.lock) else: LOG('CertificateAuthorityTool', INFO, 'Lock file %r did not existed ' 'during unlocking' % self.lock) def _checkCertificateAuthority(self): """Checks Certificate Authority configuration, raises CertificateAuthorityDamaged""" if not self.certificate_authority_path: raise CertificateAuthorityDamaged('Certificate authority path is not ' 'configured' % self.certificate_authority_path) if not os.path.isdir(self.certificate_authority_path): raise CertificateAuthorityDamaged('Path to Certificate Authority %r is ' 'wrong' % self.certificate_authority_path) if not self.openssl_binary: raise CertificateAuthorityDamaged('OpenSSL binary path is not ' 'configured' % self.certificate_authority_path) if not os.path.isfile(self.openssl_binary): raise CertificateAuthorityDamaged('OpenSSL binary %r does not exists' % self.openssl_binary) self.serial = os.path.join(self.certificate_authority_path, 'serial') self.crl = os.path.join(self.certificate_authority_path, 'crlnumber') self.index = os.path.join(self.certificate_authority_path, 'index.txt') self.openssl_config = os.path.join(self.certificate_authority_path, 'openssl.cnf') self.lock = os.path.join(self.certificate_authority_path, 'lock') for f in [self.serial, self.crl, self.index]: if not os.path.isfile(f): raise CertificateAuthorityDamaged('File %r does not exists.' % f) security.declarePrivate('manage_afterAdd') def manage_afterAdd(self, item, container) : """Init permissions right after creation. Permissions in slap tool are simple: o Each member can access the tool. o Only manager can view and create. o Anonymous can not access """ item.manage_permission(Permissions.AddPortalContent, ['Manager']) item.manage_permission(Permissions.AccessContentsInformation, ['Member', 'Manager']) item.manage_permission(Permissions.View, ['Manager',]) BaseTool.inheritedAttribute('manage_afterAdd')(self, item, container) #'Edit' option form manage_editCertificateAuthorityToolForm = PageTemplateFile( '../www/Vifib_editCertificateAuthorityTool', globals(), __name__='manage_editCertificateAuthorityToolForm') security.declareProtected(Permissions.ManageProperties, 'manage_editCertificateAuthorityTool') def manage_editCertificateAuthorityTool(self, certificate_authority_path, openssl_binary, RESPONSE=None): """Edit the object""" error_message = '' if certificate_authority_path == '' or certificate_authority_path is None: error_message += 'Invalid Certificate Authority' else: self.certificate_authority_path = certificate_authority_path if openssl_binary == '' or openssl_binary is None: error_message += 'Invalid OpenSSL binary' else: self.openssl_binary = openssl_binary #Redirect if RESPONSE is not None: if error_message != '': self.REQUEST.form['manage_tabs_message'] = error_message return self.manage_editCertificateAuthorityToolForm(RESPONSE) else: message = "Updated" RESPONSE.redirect('%s/manage_editCertificateAuthorityToolForm' '?manage_tabs_message=%s' % (self.absolute_url(), message) ) security.declareProtected(Permissions.AccessContentsInformation, 'getNewCertificate') def getNewCertificate(self): """Returns dictionary {key, certificate, id} where id is certificate id to be used""" self._checkCertificateAuthority() self._lockCertificateAuthority() try: new_id = open(self.serial, 'r').read().strip().lower() key = os.path.join(self.certificate_authority_path, 'private', new_id+'.key') csr = os.path.join(self.certificate_authority_path, new_id + '.csr') cert = os.path.join(self.certificate_authority_path, 'certs', new_id + '.crt') try: popenCommunicate([self.openssl_binary, 'req', '-nodes', '-config', self.openssl_config, '-new', '-keyout', key, '-out', csr, '-days', '3650'], '%s\n' % new_id, stdin=subprocess.PIPE) popenCommunicate([self.openssl_binary, 'ca', '-batch', '-config', self.openssl_config, '-out', cert, '-infiles', csr]) os.unlink(csr) return dict( key=open(key).read(), certificate=open(cert).read(), id=new_id) except: try: for p in [key, csr, cert]: if os.path.exists(p): os.unlink(p) except: # do not raise during cleanup pass raise finally: self._unlockCertificateAuthority() security.declareProtected(Permissions.AccessContentsInformation, 'revokeCertificate') def revokeCertificate(self, serial): """Revokes certificate with serial, returns dictionary {crl}""" self._checkCertificateAuthority() self._lockCertificateAuthority() try: new_id = open(self.crl, 'r').read().strip().lower() crl_path = os.path.join(self.certificate_authority_path, 'crl') crl = os.path.join(crl_path, new_id + '.crl') cert = os.path.join(self.certificate_authority_path, 'certs', serial + '.crt') if not os.path.exists(cert): raise ValueError('Certificate with serial %r does not exists' % serial) try: popenCommunicate([self.openssl_binary, 'ca', '-config', self.openssl_config, '-revoke', cert]) popenCommunicate([self.openssl_binary, 'ca', '-config', self.openssl_config, '-gencrl', '-out', crl]) hash = popenCommunicate([self.openssl_binary, 'crl', '-noout', '-hash', '-in', crl]).strip() previous_id = int(len([q for q in os.listdir(crl_path) if hash in q])) os.symlink(crl, os.path.join(crl_path, '%s.%s' % (hash, previous_id))) return dict(crl=open(crl).read()) except: try: for p in [crl]: if os.path.exists(p): os.unlink(p) except: # do not raise during cleanup pass raise finally: self._unlockCertificateAuthority() InitializeClass(CertificateAuthorityTool)