X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pyderasn.py;h=9e94184cd2274311f8a445cea3acd8a1f698c237;hb=f4208ef738d16dc4b7a919106b7bc031179d6a16;hp=abb5be5fd83f8482d9268295c833a1f5ee3230bb;hpb=521a4868199657f49e0b20973dab53730b93fd54;p=pyderasn.git diff --git a/pyderasn.py b/pyderasn.py index abb5be5..9e94184 100755 --- a/pyderasn.py +++ b/pyderasn.py @@ -687,7 +687,7 @@ except ImportError: # pragma: no cover def colored(what, *args, **kwargs): return what -__version__ = "6.0" +__version__ = "6.1" __all__ = ( "Any", @@ -1179,6 +1179,11 @@ class Obj(object): return raw return b"".join((self._expl, len_encode(len(raw)), raw)) + def hexencode(self): + """Do hexadecimal encoded :py:meth:`pyderasn.Obj.encode` + """ + return hexenc(self.encode()) + def decode( self, data, @@ -1323,6 +1328,16 @@ class Obj(object): raise ExceedingData(len(tail)) return obj + def hexdecode(self, data, *args, **kwargs): + """Do :py:meth:`pyderasn.Obj.decode` with hexadecimal decoded data + """ + return self.decode(hexdec(data), *args, **kwargs) + + def hexdecod(self, data, *args, **kwargs): + """Do :py:meth:`pyderasn.Obj.decod` with hexadecimal decoded data + """ + return self.decod(hexdec(data), *args, **kwargs) + @property def expled(self): """See :ref:`decoding` @@ -1654,9 +1669,8 @@ def pprint( """Pretty print object :param Obj obj: object you want to pretty print - :param oid_maps: list of ``OID <-> humand readable string`` dictionary. - When OID from it is met, then its humand readable form - is printed + :param oid_maps: list of ``str(OID) <-> human readable string`` dictionary. + Its human readable form is printed when OID is met :param big_blobs: if large binary objects are met (like OctetString values), do we need to print them too, on separate lines @@ -3406,6 +3420,13 @@ ObjectIdentifierState = namedtuple("ObjectIdentifierState", ( )) +def pureint(value): + i = int(value) + if (value[0] in "+- ") or (value[-1] == " "): + raise ValueError("non-pure integer") + return i + + class ObjectIdentifier(Obj): """``OBJECT IDENTIFIER`` OID type @@ -3483,7 +3504,7 @@ class ObjectIdentifier(Obj): return value._value if isinstance(value, string_types): try: - value = tuple(int(arc) for arc in value.split(".")) + value = tuple(pureint(arc) for arc in value.split(".")) except ValueError: raise InvalidOID("unacceptable arcs values") if isinstance(value, tuple): @@ -3497,6 +3518,8 @@ class ObjectIdentifier(Obj): pass else: raise InvalidOID("unacceptable first arc value") + if not all(arc >= 0 for arc in value): + raise InvalidOID("negative arc value") return value raise InvalidValueType((self.__class__, str, tuple)) @@ -3991,6 +4014,10 @@ class PrintableString(AllowableCharsMixin, CommonString): >>> PrintableString().allowable_chars frozenset([' ', "'", ..., 'z']) + >>> obj = PrintableString("foo*bar", allow_asterisk=True) + PrintableString PrintableString foo*bar + >>> obj.allow_asterisk, obj.allow_ampersand + (True, False) """ __slots__ = () tag_default = tag_encode(19) @@ -4026,6 +4053,18 @@ class PrintableString(AllowableCharsMixin, CommonString): value, bounds, impl, expl, default, optional, _decoded, ) + @property + def allow_asterisk(self): + """Is asterisk character allowed? + """ + return self._asterisk <= self._allowable_chars + + @property + def allow_ampersand(self): + """Is ampersand character allowed? + """ + return self._ampersand <= self._allowable_chars + def _value_sanitize(self, value): value = super(PrintableString, self)._value_sanitize(value) if not frozenset(value) <= self._allowable_chars: @@ -4061,8 +4100,8 @@ class PrintableString(AllowableCharsMixin, CommonString): expl=self._expl if expl is None else expl, default=self.default if default is None else default, optional=self.optional if optional is None else optional, - allow_asterisk=self._asterisk <= self._allowable_chars, - allow_ampersand=self._ampersand <= self._allowable_chars, + allow_asterisk=self.allow_asterisk, + allow_ampersand=self.allow_ampersand, ) @@ -4097,7 +4136,14 @@ LEN_YYYYMMDDHHMMSSDMZ = len("YYYYMMDDHHMMSSDMZ") LEN_YYYYMMDDHHMMSSZ = len("YYYYMMDDHHMMSSZ") -class UTCTime(CommonString): +class VisibleString(CommonString): + __slots__ = () + tag_default = tag_encode(26) + encoding = "ascii" + asn1_type_name = "VisibleString" + + +class UTCTime(VisibleString): """``UTCTime`` datetime type >>> t = UTCTime(datetime(2017, 9, 30, 22, 7, 50, 123)) @@ -4270,6 +4316,10 @@ class GeneralizedTime(UTCTime): Only microsecond fractions are supported. :py:exc:`pyderasn.DecodeError` will be raised during decoding of higher precision values. + + .. warning:: + + Zero year is unsupported. """ __slots__ = () tag_default = tag_encode(24) @@ -4278,7 +4328,7 @@ class GeneralizedTime(UTCTime): def _strptime(self, value): l = len(value) if l == LEN_YYYYMMDDHHMMSSZ: - # datetime.strptime's format: %y%m%d%H%M%SZ + # datetime.strptime's format: %Y%m%d%H%M%SZ if value[-1] != "Z": raise ValueError("non UTC timezone") return datetime( @@ -4348,13 +4398,6 @@ class GraphicString(CommonString): asn1_type_name = "GraphicString" -class VisibleString(CommonString): - __slots__ = () - tag_default = tag_encode(26) - encoding = "ascii" - asn1_type_name = "VisibleString" - - class ISO646String(VisibleString): __slots__ = () asn1_type_name = "ISO646String"