############################################################################## # # Copyright (c) 2003 Nexedi SARL and Contributors. All Rights Reserved. # Sebastien Robin <seb@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. # ############################################################################## import smtplib # to send emails from Publication import Publication,Subscriber from Subscription import Signature from XMLSyncUtils import Parse from XMLSyncUtils import XMLSyncUtils from Conduit.ERP5Conduit import ERP5Conduit from Products.CMFCore.utils import getToolByName from Products.ERP5Security.ERP5UserManager import ERP5UserManager from Products.PluggableAuthService.interfaces.plugins import\ IAuthenticationPlugin from AccessControl.SecurityManagement import newSecurityManager import commands from DateTime import DateTime from zLOG import LOG class PublicationSynchronization(XMLSyncUtils): """ """ def PubSyncInit(self, publication=None, xml_client=None, subscriber=None, sync_type=None): """ Read the client xml message Send the first XML message from the server """ LOG('PubSyncInit',0,'Starting... publication: %s' % str(publication)) #the session id is set at the same value of those of the client subscriber.setSessionId(self.getSessionId(xml_client)) #same for the message id subscriber.setMessageId(self.getMessageId(xml_client)) #at the begining of the synchronization the subscriber is not authenticated subscriber.setAuthenticated(False) #the last_message_id is 1 because the message that #we are about to send is the message 1 subscriber.initLastMessageId(1) alert = None # Get informations from the body if xml_client is not None: # We have received a message last_anchor = self.getAlertLastAnchor(xml_client) next_anchor = self.getAlertNextAnchor(xml_client) alert = self.checkAlert(xml_client) alert_code = self.getAlertCode(xml_client) cred = self.checkCred(xml_client) #the source and the target of the subscriber are reversed compared # to those of the publication : subscriber.setSourceURI(self.getTargetURI(xml_client)) subscriber.setTargetURI(self.getSourceURI(xml_client)) # If slow sync, then resend everything if alert_code == self.SLOW_SYNC: LOG('Warning !!!, reseting client synchronization for subscriber:',0, subscriber) subscriber.resetAllSignatures() # Check if the last time synchronization is the same as the client one mess='\nsubscriber.getNextAnchor:\t%s\nsubscriber.getLastAnchor:\t%s\ \nlast_anchor:\t\t\t%s\nnext_anchor:\t\t\t%s' % \ (subscriber.getNextAnchor(), subscriber.getLastAnchor(), last_anchor, \ next_anchor) #LOG('PubSyncInit',0,mess) if subscriber.getNextAnchor() != last_anchor: if last_anchor in (None, ''): LOG('PubSyncInit',0,'anchor null') #raise ValueError, "Sorry, the anchor was null" else: message = "bad anchors in PubSyncInit! " + \ subscriber.getNextAnchor() + " and " + last_anchor LOG('PubSyncInit',0,message) else: subscriber.setNextAnchor(next_anchor) xml_list = [] xml = xml_list.append cmd_id = 1 # specifies a SyncML message-unique command identifier xml('<SyncML>\n') # syncml header xml(self.SyncMLHeader(subscriber.getSessionId(), subscriber.getMessageId(), subscriber.getSubscriptionUrl(), publication.getPublicationUrl())) # syncml body xml(' <SyncBody>\n') if publication.isAuthenticationRequired(): #at the begining, the code is initialised at UNAUTHORIZED auth_code=self.UNAUTHORIZED LOG('PubSyncInit',0,'authentication required') if not cred: auth_code=self.AUTH_REQUIRED LOG("there's no credential !!!",0,'') # Prepare the xml message for the Sync initialization package xml(self.SyncMLChal(cmd_id, "SyncHdr", publication.getPublicationUrl(), subscriber.getSubscriptionUrl(), publication.getAuthenticationFormat(), publication.getAuthenticationType(), auth_code)) cmd_id += 1 # chal message xml_status, cmd_id = self.SyncMLStatus(xml_client, auth_code, cmd_id, next_anchor, subscription=subscriber).values() xml(xml_status) else: (authentication_format, authentication_type, data) = \ self.getCred(xml_client) if authentication_type == publication.getAuthenticationType(): authentication_format = publication.getAuthenticationFormat() decoded = subscriber.decode(authentication_format, data) if decoded not in ('', None) and ':' in decoded: (login, password) = decoded.split(':') uf = self.getPortalObject().acl_users for plugin_name, plugin in uf._getOb('plugins').listPlugins( IAuthenticationPlugin ): if plugin.authenticateCredentials( {'login':login, 'password':password}) is not None: subscriber.setAuthenticated(True) auth_code=self.AUTH_ACCEPTED #here we must log in with the user authenticated : user = uf.getUserById(login).__of__(uf) newSecurityManager(None, user) subscriber.setUser(login) break else: auth_code=self.UNAUTHORIZED #in all others cases, the auth_code is set to UNAUTHORIZED # Prepare the xml message for the Sync initialization package if auth_code == self.AUTH_ACCEPTED: xml_status, cmd_id = self.SyncMLStatus(xml_client, auth_code, cmd_id, next_anchor, subscription=subscriber).values() xml(xml_status) # alert message xml(self.SyncMLAlert(cmd_id, sync_type, subscriber.getTargetURI(), subscriber.getSourceURI(), subscriber.getLastAnchor(), next_anchor)) cmd_id += 1 else: # chal message xml(self.SyncMLChal(cmd_id, "SyncHdr", publication.getPublicationUrl(), subscriber.getSubscriptionUrl(), publication.getAuthenticationFormat(), publication.getAuthenticationType(), auth_code)) cmd_id += 1 xml_status, cmd_id = self.SyncMLStatus(xml_client, self.AUTH_REQUIRED, cmd_id, next_anchor, subscription=subscriber).values() xml(xml_status) elif alert is not None: #if no identification is required : # syncml header xml_status, cmd_id = self.SyncMLStatus(xml_client, self.AUTH_ACCEPTED, cmd_id, next_anchor, subscription=subscriber).values() xml(xml_status) # alert message xml(self.SyncMLAlert(cmd_id, sync_type, subscriber.getTargetURI(), subscriber.getSourceURI(), subscriber.getLastAnchor(), next_anchor)) cmd_id += 1 # We have to set every object as NOT_SYNCHRONIZED subscriber.startSynchronization() else: # We have started the sync from the server (may be for a conflict # resolution) raise ValueError, "the syncml message is None. Maybe a synchronisation \ has been started from the server (forbiden)" # a synchronisation is always starded from a client and can't be from # a server ! xml(' <Final/>\n') xml(' </SyncBody>\n') xml('</SyncML>\n') xml_a = ''.join(xml_list) if publication.getSyncContentType() == self.CONTENT_TYPE['SYNCML_WBXML']: xml_a = self.xml2wbxml(xml_a) self.sendResponse(from_url=publication.getPublicationUrl(), to_url=subscriber.getSubscriptionUrl(), sync_id=publication.getTitle(), xml=xml_a, domain=publication, content_type=publication.getSyncContentType()) return {'has_response':1,'xml':xml_a} def PubSync(self, publication_path, msg=None, RESPONSE=None, subscriber=None): """ This is the synchronization method for the server """ LOG('PubSync',0,'Starting... publication: %s' % str(publication_path)) # Read the request from the client publication = self.unrestrictedTraverse(publication_path) xml_client = msg if xml_client is None: xml_client = self.readResponse(from_url=publication.getPublicationUrl()) #LOG('PubSync',0,'Starting... msg: %s' % str(xml_client)) result = None if xml_client is not None: if isinstance(xml_client, str) or isinstance(xml_client, unicode): xml_client = Parse(xml_client) first_node = xml_client.childNodes[0] if first_node.nodeName != "SyncML": #LOG('PubSync',0,'This is not a SyncML Message') raise ValueError, "Sorry, This is not a SyncML Message" alert_code = self.getAlertCode(xml_client) # Get informations from the header client_header = first_node.childNodes[1] if client_header.nodeName != "SyncHdr": #LOG('PubSync',0,'This is not a SyncML Header') raise ValueError, "Sorry, This is not a SyncML Header" subscription_url = self.getSubscriptionUrl(client_header) # Get the subscriber or create it if not already in the list subscriber = publication.getSubscriber(subscription_url) if subscriber == None: subscriber = Subscriber(publication.generateNewId(),subscription_url) subscriber.setXMLMapping(publication.getXMLMapping()) subscriber.setConduit(publication.getConduit()) publication.addSubscriber(subscriber) # first synchronization result = self.PubSyncInit(publication,xml_client,subscriber=subscriber, sync_type=self.SLOW_SYNC) elif self.checkAlert(xml_client) and \ alert_code in (self.TWO_WAY, self.SLOW_SYNC, self.ONE_WAY_FROM_SERVER): result = self.PubSyncInit(publication=publication, xml_client=xml_client, subscriber=subscriber, sync_type=alert_code) else: #we log the user authenticated to do the synchronization with him if self.checkMap(xml_client) : self.setRidWithMap(xml_client, subscriber) if publication.isAuthenticationRequired(): if subscriber.isAuthenticated(): uf = self.getPortalObject().acl_users user = uf.getUserById(subscriber.getUser()).__of__(uf) newSecurityManager(None, user) result = self.PubSyncModif(publication, xml_client) else: result = self.PubSyncModif(publication, xml_client) elif subscriber is not None: # This looks like we are starting a synchronization after # a conflict resolution by the user result = self.PubSyncInit(publication=publication, xml_client=None, subscriber=subscriber,sync_type=self.TWO_WAY) if RESPONSE is not None: RESPONSE.redirect('managePublications') elif result is not None: return result def PubSyncModif(self, publication, xml_client): """ The modidification message for the publication """ return self.SyncModif(publication,xml_client)