def create_shares(self, last_random_no, block_num, count=0):
self.msg = str(last_random_no) + str(block_num) + str(count)
digest = hashlib.sha256(self.msg).hexdigest()
consensusLog.info("Creating new BLS shares with message %s, message hash: %s", self.msg, digest)
new_shares = []
#Create one share for each of the node IDs
for oid in self.own_ids:
try:
sig = bls.sign(digest, self.secretKeys[oid])
if sig == "":
raise BlsSignError()
new_shares.append(Share(oid, sig, block_num))
consensusLog.info("Share content: %s", sig)
except KeyError:
consensusLog.error("This node does not have the DKG secret key associated with the blockchain address %s. Will not create share.",oid.encode('hex'))
consensusLog.info("Created %s new shares.", len(new_shares))
#Directly store these shares internally
for share in new_shares:
self.store_share(share, self.msg, block_num)
return new_shares
def restoreCollections(self, activity=None):
rv = self.itsView
if not self.isSetUp():
return
info = self.getPublishedShares(blocking=True)
toRestore = list()
for name, uuid, href, tickets, subscribed in info:
if not subscribed and uuid in self.requested:
toRestore.append((name, uuid, href, tickets))
for name, uuid, href, tickets in toRestore:
try:
msg = _("Restoring %(collection)s collection") % {
'collection': name
}
logger.info(msg)
subActivity = Activity(msg)
subActivity.started()
activity.update(msg=msg, work=1)
altView = viewpool.getView(rv.repository)
share = Share(itsView=altView, displayName=name)
share.mode = 'both'
share.conduit = CosmoConduit(
itsParent=share,
shareName=uuid,
account=altView.findUUID(self.itsUUID),
translator=translator.SharingTranslator,
serializer=eimml.EIMMLSerializer)
for ticket, ticketType in tickets:
if ticketType == 'read-only':
share.conduit.ticketReadOnly = ticket
elif ticketType == 'read-write':
share.conduit.ticketReadWrite = ticket
share.conduit.filters = set()
share.conduit.filters.add('cid:[email protected]')
share.conduit.filters.add('cid:[email protected]')
share.conduit.filters.add('cid:[email protected]')
share.get(activity=subActivity)
if uuid in self.ignored:
self.ignored.remove(uuid)
self.requested.remove(uuid)
share.sharer = schema.ns("osaf.pim",
altView).currentContact.item
schema.ns("osaf.app",
altView).sidebarCollection.add(share.contents)
# Add the collection to the Dashboard (c.f. Bug 11717)
schema.ns("osaf.pim", altView).mine.addSource(share.contents)
altView.commit(utility.mergeFunction)
subActivity.completed()
except Exception, e:
altView.cancel()
viewpool.releaseView(altView)
if not isinstance(e, ActivityAborted):
subActivity.failed(e)
activity.failed(e)
logger.exception("Restore failed")
if uuid in self.requested:
self.requested.remove(uuid)
raise
def publish(self, collection, displayName=None, activity=None, filters=None,
overwrite=False, options=None):
from ics import ICSSerializer
from translator import SharingTranslator
from eimml import EIMMLSerializer
rv = self.itsView
# Stamp the collection
if not pim.has_stamp(collection, SharedItem):
SharedItem(collection).add()
conduit = webdav_conduit.WebDAVRecordSetConduit(itsView=rv,
account=self)
# Interrogate the server associated with the account
location = self.getLocation()
if not location.endswith("/"):
location += "/"
handle = conduit._getServerHandle()
resource = handle.getResource(location)
logger.debug('Examining %s ...', location.encode('utf8', 'replace'))
exists = handle.blockUntil(resource.exists)
if not exists:
logger.debug("...doesn't exist")
raise errors.NotFound(_(u"%(location)s does not exist.") %
{'location': location})
isCalendar = handle.blockUntil(resource.isCalendar)
logger.debug('...Calendar? %s', isCalendar)
isCollection = handle.blockUntil(resource.isCollection)
logger.debug('...Collection? %s', isCollection)
response = handle.blockUntil(resource.options)
dav = response.headers.getHeader('DAV')
logger.debug('...DAV: %s', dav)
allowed = response.headers.getHeader('Allow')
logger.debug('...Allow: %s', allowed)
supportsTickets = handle.blockUntil(resource.supportsTickets)
logger.debug('...Tickets?: %s', supportsTickets)
conduit.delete(True) # Clean up the temporary conduit
# Prepare the share
share = None
try:
if isCalendar:
# We've been handed a calendar directly. Just publish directly
# into this calendar collection rather than making a new one.
# Create a CalDAV share with empty sharename, doing a GET and
# PUT
share = Share(itsView=rv, contents=collection)
conduit = caldav_conduit.CalDAVRecordSetConduit(itsParent=share,
account=self, shareName=u"", translator=SharingTranslator,
serializer=ICSSerializer)
share.conduit = conduit
if filters:
conduit.filters = filters
share.displayName = displayName or collection.displayName
alias = 'main'
try:
SharedItem(collection).shares.append(share, alias)
except ValueError:
# There is already a 'main' share for this collection
SharedItem(collection).shares.append(share)
share.sync(activity=activity)
else:
# the collection should be published
# determine a share name
existing = utility.getExistingResources(self)
displayName = displayName or collection.displayName
shareName = displayName
alias = 'main'
# See if there are any non-ascii characters, if so, just use
# UUID
try:
shareName.encode('ascii')
pattern = re.compile('[^A-Za-z0-9]')
shareName = re.sub(pattern, "_", shareName)
except UnicodeEncodeError:
shareName = unicode(collection.itsUUID)
# Append .ics extension of publishing a monolithic .ics file
if options.get('ics', False):
shareName = shareName + ".ics"
shareName = self._uniqueName(shareName, existing)
if ('calendar-access' in dav or 'MKCALENDAR' in allowed):
# We're speaking to a CalDAV server
share = Share(itsView=rv, contents=collection)
conduit = caldav_conduit.CalDAVRecordSetConduit(
itsParent=share,
account=self, shareName=shareName,
translator=SharingTranslator, serializer=ICSSerializer)
share.conduit = conduit
if filters:
conduit.filters = filters
share.displayName = displayName or collection.displayName
try:
SharedItem(collection).shares.append(share, alias)
except ValueError:
# There is already a 'main' share for this collection
SharedItem(collection).shares.append(share)
if share.exists():
raise errors.SharingError(_(u"Collection already exists on server."))
share.create()
# bug 8128, this setDisplayName shouldn't be required, but
# cosmo isn't accepting setting displayname in MKCALENDAR
share.conduit.setDisplayName(displayName)
share.put(activity=activity)
# tickets after putting
if supportsTickets:
share.conduit.createTickets()
elif dav is not None:
# We're speaking to a WebDAV server
# Use monolithic ics if options['ics'], else use EIMML
share = Share(itsView=rv, contents=collection)
if options.get('ics', False):
# ICS
conduit = webdav_conduit.WebDAVMonolithicRecordSetConduit(
itsParent=share,
shareName=shareName, account=self,
translator=SharingTranslator,
serializer=ICSSerializer)
else:
conduit = webdav_conduit.WebDAVRecordSetConduit(
itsParent=share,
shareName=shareName, account=self,
translator=SharingTranslator,
serializer=EIMMLSerializer)
share.conduit = conduit
if filters:
conduit.filters = filters
try:
SharedItem(collection).shares.append(share, alias)
except ValueError:
# There is already a 'main' share for this collection
SharedItem(collection).shares.append(share)
if share.exists():
raise errors.SharingError(_(u"Collection already exists on server."))
share.create()
share.put(activity=activity)
if supportsTickets:
share.conduit.createTickets()
except (errors.SharingError,
zanshin.error.Error,
M2Crypto.SSL.Checker.WrongHost,
CertificateVerificationError,
twisted.internet.error.TimeoutError), e:
# Clean up share objects
try:
share.delete(True)
except:
pass # ignore stale shares
# Note: the following "raise e" line used to just read "raise".
# However, if the try block immediately preceeding this comment
# raises an exception, the "raise" following this comment was
# raising that *new* exception instead of the original exception
# that got us here, "e".
raise e
def restoreCollections(self, activity=None):
rv = self.itsView
if not self.isSetUp():
return
info = self.getPublishedShares(blocking=True)
toRestore = list()
for name, uuid, href, tickets, subscribed in info:
if not subscribed and uuid in self.requested:
toRestore.append((name, uuid, href, tickets))
for name, uuid, href, tickets in toRestore:
try:
msg = _("Restoring %(collection)s collection") % {
'collection' : name }
logger.info(msg)
subActivity = Activity(msg)
subActivity.started()
activity.update(msg=msg, work=1)
altView = viewpool.getView(rv.repository)
share = Share(itsView=altView, displayName=name)
share.mode = 'both'
share.conduit = CosmoConduit(itsParent=share,
shareName=uuid, account=altView.findUUID(self.itsUUID),
translator=translator.SharingTranslator,
serializer=eimml.EIMMLSerializer)
for ticket, ticketType in tickets:
if ticketType == 'read-only':
share.conduit.ticketReadOnly = ticket
elif ticketType == 'read-write':
share.conduit.ticketReadWrite = ticket
share.conduit.filters = set()
share.conduit.filters.add('cid:[email protected]')
share.conduit.filters.add('cid:[email protected]')
share.conduit.filters.add('cid:[email protected]')
share.get(activity=subActivity)
if uuid in self.ignored:
self.ignored.remove(uuid)
self.requested.remove(uuid)
share.sharer = schema.ns("osaf.pim",
altView).currentContact.item
schema.ns("osaf.app",
altView).sidebarCollection.add(share.contents)
# Add the collection to the Dashboard (c.f. Bug 11717)
schema.ns("osaf.pim",
altView).mine.addSource(share.contents)
altView.commit(utility.mergeFunction)
subActivity.completed()
except Exception, e:
altView.cancel()
viewpool.releaseView(altView)
if not isinstance(e, ActivityAborted):
subActivity.failed(e)
activity.failed(e)
logger.exception("Restore failed")
if uuid in self.requested:
self.requested.remove(uuid)
raise
def publish(self,
collection,
displayName=None,
activity=None,
filters=None,
overwrite=False,
options=None):
from ics import ICSSerializer
from translator import SharingTranslator
from eimml import EIMMLSerializer
rv = self.itsView
# Stamp the collection
if not pim.has_stamp(collection, SharedItem):
SharedItem(collection).add()
conduit = webdav_conduit.WebDAVRecordSetConduit(itsView=rv,
account=self)
# Interrogate the server associated with the account
location = self.getLocation()
if not location.endswith("/"):
location += "/"
handle = conduit._getServerHandle()
resource = handle.getResource(location)
logger.debug('Examining %s ...', location.encode('utf8', 'replace'))
exists = handle.blockUntil(resource.exists)
if not exists:
logger.debug("...doesn't exist")
raise errors.NotFound(
_(u"%(location)s does not exist.") % {'location': location})
isCalendar = handle.blockUntil(resource.isCalendar)
logger.debug('...Calendar? %s', isCalendar)
isCollection = handle.blockUntil(resource.isCollection)
logger.debug('...Collection? %s', isCollection)
response = handle.blockUntil(resource.options)
dav = response.headers.getHeader('DAV')
logger.debug('...DAV: %s', dav)
allowed = response.headers.getHeader('Allow')
logger.debug('...Allow: %s', allowed)
supportsTickets = handle.blockUntil(resource.supportsTickets)
logger.debug('...Tickets?: %s', supportsTickets)
conduit.delete(True) # Clean up the temporary conduit
# Prepare the share
share = None
try:
if isCalendar:
# We've been handed a calendar directly. Just publish directly
# into this calendar collection rather than making a new one.
# Create a CalDAV share with empty sharename, doing a GET and
# PUT
share = Share(itsView=rv, contents=collection)
conduit = caldav_conduit.CalDAVRecordSetConduit(
itsParent=share,
account=self,
shareName=u"",
translator=SharingTranslator,
serializer=ICSSerializer)
share.conduit = conduit
if filters:
conduit.filters = filters
share.displayName = displayName or collection.displayName
alias = 'main'
try:
SharedItem(collection).shares.append(share, alias)
except ValueError:
# There is already a 'main' share for this collection
SharedItem(collection).shares.append(share)
share.sync(activity=activity)
else:
# the collection should be published
# determine a share name
existing = utility.getExistingResources(self)
displayName = displayName or collection.displayName
shareName = displayName
alias = 'main'
# See if there are any non-ascii characters, if so, just use
# UUID
try:
shareName.encode('ascii')
pattern = re.compile('[^A-Za-z0-9]')
shareName = re.sub(pattern, "_", shareName)
except UnicodeEncodeError:
shareName = unicode(collection.itsUUID)
# Append .ics extension of publishing a monolithic .ics file
if options.get('ics', False):
shareName = shareName + ".ics"
shareName = self._uniqueName(shareName, existing)
if ('calendar-access' in dav or 'MKCALENDAR' in allowed):
# We're speaking to a CalDAV server
share = Share(itsView=rv, contents=collection)
conduit = caldav_conduit.CalDAVRecordSetConduit(
itsParent=share,
account=self,
shareName=shareName,
translator=SharingTranslator,
serializer=ICSSerializer)
share.conduit = conduit
if filters:
conduit.filters = filters
share.displayName = displayName or collection.displayName
try:
SharedItem(collection).shares.append(share, alias)
except ValueError:
# There is already a 'main' share for this collection
SharedItem(collection).shares.append(share)
if share.exists():
raise errors.SharingError(
_(u"Collection already exists on server."))
share.create()
# bug 8128, this setDisplayName shouldn't be required, but
# cosmo isn't accepting setting displayname in MKCALENDAR
share.conduit.setDisplayName(displayName)
share.put(activity=activity)
# tickets after putting
if supportsTickets:
share.conduit.createTickets()
elif dav is not None:
# We're speaking to a WebDAV server
# Use monolithic ics if options['ics'], else use EIMML
share = Share(itsView=rv, contents=collection)
if options.get('ics', False):
# ICS
conduit = webdav_conduit.WebDAVMonolithicRecordSetConduit(
itsParent=share,
shareName=shareName,
account=self,
translator=SharingTranslator,
serializer=ICSSerializer)
else:
conduit = webdav_conduit.WebDAVRecordSetConduit(
itsParent=share,
shareName=shareName,
account=self,
translator=SharingTranslator,
serializer=EIMMLSerializer)
share.conduit = conduit
if filters:
conduit.filters = filters
try:
SharedItem(collection).shares.append(share, alias)
except ValueError:
# There is already a 'main' share for this collection
SharedItem(collection).shares.append(share)
if share.exists():
raise errors.SharingError(
_(u"Collection already exists on server."))
share.create()
share.put(activity=activity)
if supportsTickets:
share.conduit.createTickets()
except (errors.SharingError, zanshin.error.Error,
M2Crypto.SSL.Checker.WrongHost, CertificateVerificationError,
twisted.internet.error.TimeoutError), e:
# Clean up share objects
try:
share.delete(True)
except:
pass # ignore stale shares
# Note: the following "raise e" line used to just read "raise".
# However, if the try block immediately preceeding this comment
# raises an exception, the "raise" following this comment was
# raising that *new* exception instead of the original exception
# that got us here, "e".
raise e
