def Valid(self, raise_signature_invalid=False):
"""
``Valid()`` should check every one of packet header fields: 1) that
command is one of the legal commands 2) signature is good (which means
the hashcode is good) Rest PREPRO: 3) all the number fields are just
numbers 4) length is within legal limits 5) check that URL is a good
URL 6) that DataOrParity is either "data" or "parity" 7) that Creator
is equal to owner or a scrubber for owner 8) etc.
"""
if not self.Ready():
if _Debug:
lg.out(_DebugLevel,
"signed.Valid packet is not ready yet " + str(self))
return False
if not commands.IsCommand(self.Command):
lg.warn("signed.Valid bad Command " + str(self.Command))
return False
if not self.SignatureChecksOut(
raise_signature_invalid=raise_signature_invalid):
if raise_signature_invalid:
creator_xml = contactsdb.get_contact_identity(self.CreatorID)
if creator_xml:
creator_xml = creator_xml.serialize(as_text=True)
owner_xml = contactsdb.get_contact_identity(self.OwnerID)
if owner_xml:
owner_xml = owner_xml.serialize(as_text=True)
raise Exception(
'signature is not valid for %r:\n\n%r\n\ncreator:\n\n%r\n\nowner:\n\n%r'
% (self, self.Serialize(), creator_xml, owner_xml))
lg.warn("signed.Valid Signature IS NOT VALID!!!")
return False
return True
def Valid(self):
"""
``Valid()`` should check every one of packet header fields: 1) that
command is one of the legal commands 2) signature is good (which means
the hashcode is good) Rest PREPRO: 3) all the number fields are just
numbers 4) length is within legal limits 5) check that URL is a good
URL 6) that DataOrParity is either "data" or "parity" 7) that Creator
is equal to owner or a scrubber for owner 8) etc.
"""
if not self.Ready():
lg.out(4, "signed.Valid packet is not ready yet " + str(self))
return False
if not commands.IsCommand(self.Command):
lg.warn("signed.Valid bad Command " + str(self.Command))
return False
if not self.SignatureChecksOut():
lg.warn("signed.Valid Signature IS NOT VALID!!!")
return False
return True