def _ParseDateTimeValue(self, byte_stream, file_offset):
"""Parses a CUPS IPP RFC2579 date-time value from a byte stream.
Args:
byte_stream (bytes): byte stream.
file_offset (int): offset of the attribute data relative to the start of
the file-like object.
Returns:
dfdatetime.RFC2579DateTime: RFC2579 date-time stored in the value.
Raises:
ParseError: when the RFC2579 date-time value cannot be parsed.
"""
datetime_value_map = self._GetDataTypeMap('cups_ipp_datetime_value')
try:
value = self._ReadStructureFromByteStream(
byte_stream, file_offset, datetime_value_map)
except (ValueError, errors.ParseError) as exception:
raise errors.ParseError(
'Unable to parse datetime value with error: {0!s}'.format(exception))
direction_from_utc = chr(value.direction_from_utc)
rfc2579_date_time_tuple = (
value.year, value.month, value.day_of_month,
value.hours, value.minutes, value.seconds, value.deciseconds,
direction_from_utc, value.hours_from_utc, value.minutes_from_utc)
return dfdatetime_rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=rfc2579_date_time_tuple)
def testCopyToDateTimeStringISO8601(self):
"""Tests the CopyToDateTimeStringISO8601 function."""
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 0, 0))
date_time_string = rfc2579_date_time_object.CopyToDateTimeStringISO8601(
)
self.assertEqual(date_time_string, '2010-08-12T20:06:31.6+00:00')
def testGetNormalizedTimestamp(self):
"""Tests the _GetNormalizedTimestamp function."""
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 0, 0))
normalized_timestamp = rfc2579_date_time_object._GetNormalizedTimestamp(
)
self.assertEqual(normalized_timestamp, decimal.Decimal('1281643591.6'))
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 1, 0))
normalized_timestamp = rfc2579_date_time_object._GetNormalizedTimestamp(
)
self.assertEqual(normalized_timestamp, decimal.Decimal('1281639991.6'))
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime()
normalized_timestamp = rfc2579_date_time_object._GetNormalizedTimestamp(
)
self.assertIsNone(normalized_timestamp)
def _ReadPair(self, parser_mediator, file_object):
"""Reads an attribute name and value pair from a CUPS IPP event.
Args:
parser_mediator (ParserMediator): mediates interactions between parsers
and other components, such as storage and dfvfs.
file_object (dfvfs.FileIO): file-like object.
Returns:
tuple: contains:
str: name or None.
str: value or None.
"""
# Pair = Type ID + Name + Value.
try:
# Can be:
# Group ID + IDtag = Group ID (1byte) + Tag ID (1byte) + '0x00'.
# IDtag = Tag ID (1byte) + '0x00'.
type_id = self.INTEGER_8.parse_stream(file_object)
if type_id == self.GROUP_END:
return None, None
elif type_id in self.GROUP_LIST:
# If it is a group ID we must read the next byte that contains
# the first TagID.
type_id = self.INTEGER_8.parse_stream(file_object)
# 0x00 separator character.
self.INTEGER_8.parse_stream(file_object)
except (IOError, construct.FieldError) as exception:
parser_mediator.ProduceExtractionError(
'unable to parse pair identifier with error: {0!s}'.format(
exception))
return None, None
# Name = Length name + name + 0x00
try:
pair_name = self.PAIR_NAME.parse_stream(file_object)
except (IOError, construct.FieldError) as exception:
parser_mediator.ProduceExtractionError(
'unable to parse pair name with error: {0!s}'.format(
exception))
return None, None
try:
name = pair_name.text.decode('utf-8')
except UnicodeDecodeError as exception:
parser_mediator.ProduceExtractionError(
'unable to decode pair name with error: {0!s}'.format(
exception))
return None, None
# Value: can be integer, boolean or text select by Type ID.
if type_id in (self.TYPE_GENERAL_INTEGER, self.TYPE_INTEGER,
self.TYPE_ENUMERATION):
value_structure = self.INTEGER
elif type_id == self.TYPE_BOOL:
value_structure = self.BOOLEAN
elif type_id == self.TYPE_DATETIME:
value_structure = self.DATETIME
else:
value_structure = self.TEXT
try:
value = value_structure.parse_stream(file_object)
except (IOError, construct.FieldError) as exception:
parser_mediator.ProduceExtractionError(
'unable to parse value with error: {0!s}'.format(exception))
return None, None
if type_id in (self.TYPE_GENERAL_INTEGER, self.TYPE_INTEGER,
self.TYPE_ENUMERATION):
value = value.integer
elif type_id == self.TYPE_BOOL:
value = bool(value.integer)
elif type_id == self.TYPE_DATETIME:
rfc2579_date_time_tuple = (value.year, value.month, value.day,
value.hour, value.minutes,
value.seconds, value.deciseconds,
value.direction_from_utc,
value.hours_from_utc,
value.minutes_from_utc)
value = dfdatetime_rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=rfc2579_date_time_tuple)
else:
try:
value = value.decode('utf-8')
except UnicodeDecodeError as exception:
parser_mediator.ProduceExtractionError(
'unable to decode value with error: {0!s}'.format(
exception))
return None, None
return name, value
def testInitialize(self):
"""Tests the initialization function."""
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime()
self.assertIsNotNone(rfc2579_date_time_object)
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 2, 0))
self.assertIsNotNone(rfc2579_date_time_object)
self.assertEqual(rfc2579_date_time_object.year, 2010)
self.assertEqual(rfc2579_date_time_object.month, 8)
self.assertEqual(rfc2579_date_time_object.day_of_month, 12)
self.assertEqual(rfc2579_date_time_object.hours, 20)
self.assertEqual(rfc2579_date_time_object.minutes, 6)
self.assertEqual(rfc2579_date_time_object.seconds, 31)
self.assertEqual(rfc2579_date_time_object.deciseconds, 6)
self.assertEqual(rfc2579_date_time_object.time_zone_offset, 120)
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(rfc2579_date_time_tuple=(2010, 8,
12, 20,
6, 31))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(65537, 8, 12, 20, 6, 31, 6, '+', 2,
0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 13, 12, 20, 6, 31, 6, '+', 2,
0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 32, 20, 6, 31, 6, '+', 2, 0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 24, 6, 31, 6, '+', 2, 0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 61, 31, 6, '+', 2,
0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 61, 6, '+', 2, 0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 11, '+', 2,
0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '#', 2, 0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 14,
0))
with self.assertRaises(ValueError):
rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 2,
60))
def testCopyFromDateTimeString(self):
"""Tests the CopyFromDateTimeString function."""
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime()
rfc2579_date_time_object.CopyFromDateTimeString('2010-08-12')
self.assertEqual(rfc2579_date_time_object._number_of_seconds,
1281571200)
self.assertEqual(rfc2579_date_time_object._time_zone_offset, 0)
self.assertEqual(rfc2579_date_time_object.year, 2010)
self.assertEqual(rfc2579_date_time_object.month, 8)
self.assertEqual(rfc2579_date_time_object.day_of_month, 12)
self.assertEqual(rfc2579_date_time_object.hours, 0)
self.assertEqual(rfc2579_date_time_object.minutes, 0)
self.assertEqual(rfc2579_date_time_object.seconds, 0)
self.assertEqual(rfc2579_date_time_object.deciseconds, 0)
rfc2579_date_time_object.CopyFromDateTimeString('2010-08-12 21:06:31')
self.assertEqual(rfc2579_date_time_object._number_of_seconds,
1281647191)
self.assertEqual(rfc2579_date_time_object._time_zone_offset, 0)
self.assertEqual(rfc2579_date_time_object.year, 2010)
self.assertEqual(rfc2579_date_time_object.month, 8)
self.assertEqual(rfc2579_date_time_object.day_of_month, 12)
self.assertEqual(rfc2579_date_time_object.hours, 21)
self.assertEqual(rfc2579_date_time_object.minutes, 6)
self.assertEqual(rfc2579_date_time_object.seconds, 31)
self.assertEqual(rfc2579_date_time_object.deciseconds, 0)
rfc2579_date_time_object.CopyFromDateTimeString(
'2010-08-12 21:06:31.546875')
self.assertEqual(rfc2579_date_time_object._number_of_seconds,
1281647191)
self.assertEqual(rfc2579_date_time_object._time_zone_offset, 0)
self.assertEqual(rfc2579_date_time_object.year, 2010)
self.assertEqual(rfc2579_date_time_object.month, 8)
self.assertEqual(rfc2579_date_time_object.day_of_month, 12)
self.assertEqual(rfc2579_date_time_object.hours, 21)
self.assertEqual(rfc2579_date_time_object.minutes, 6)
self.assertEqual(rfc2579_date_time_object.seconds, 31)
self.assertEqual(rfc2579_date_time_object.deciseconds, 5)
rfc2579_date_time_object.CopyFromDateTimeString(
'2010-08-12 21:06:31.546875-01:00')
self.assertEqual(rfc2579_date_time_object._number_of_seconds,
1281647191)
self.assertEqual(rfc2579_date_time_object._time_zone_offset, -60)
self.assertEqual(rfc2579_date_time_object.year, 2010)
self.assertEqual(rfc2579_date_time_object.month, 8)
self.assertEqual(rfc2579_date_time_object.day_of_month, 12)
self.assertEqual(rfc2579_date_time_object.hours, 21)
self.assertEqual(rfc2579_date_time_object.minutes, 6)
self.assertEqual(rfc2579_date_time_object.seconds, 31)
self.assertEqual(rfc2579_date_time_object.deciseconds, 5)
self.assertEqual(rfc2579_date_time_object.time_zone_offset, -60)
rfc2579_date_time_object.CopyFromDateTimeString(
'2010-08-12 21:06:31.546875+01:00')
self.assertEqual(rfc2579_date_time_object._number_of_seconds,
1281647191)
self.assertEqual(rfc2579_date_time_object._time_zone_offset, 60)
self.assertEqual(rfc2579_date_time_object.year, 2010)
self.assertEqual(rfc2579_date_time_object.month, 8)
self.assertEqual(rfc2579_date_time_object.day_of_month, 12)
self.assertEqual(rfc2579_date_time_object.hours, 21)
self.assertEqual(rfc2579_date_time_object.minutes, 6)
self.assertEqual(rfc2579_date_time_object.seconds, 31)
self.assertEqual(rfc2579_date_time_object.deciseconds, 5)
self.assertEqual(rfc2579_date_time_object.time_zone_offset, 60)
rfc2579_date_time_object.CopyFromDateTimeString('1601-01-02 00:00:00')
self.assertEqual(rfc2579_date_time_object._number_of_seconds,
-11644387200)
self.assertEqual(rfc2579_date_time_object._time_zone_offset, 0)
self.assertEqual(rfc2579_date_time_object.year, 1601)
self.assertEqual(rfc2579_date_time_object.month, 1)
self.assertEqual(rfc2579_date_time_object.day_of_month, 2)
self.assertEqual(rfc2579_date_time_object.hours, 0)
self.assertEqual(rfc2579_date_time_object.minutes, 0)
self.assertEqual(rfc2579_date_time_object.seconds, 0)
self.assertEqual(rfc2579_date_time_object.deciseconds, 0)
rfc2579_date_time_object = RFC2579DateTimeInvalidYear()
with self.assertRaises(ValueError):
rfc2579_date_time_object.CopyFromDateTimeString(
'9999-01-02 00:00:00')
def testConvertDateTimeValuesToJSON(self):
"""Test ConvertDateTimeValuesToJSON function."""
posix_time_object = posix_time.PosixTime(timestamp=1281643591)
expected_json_dict = {
'__class_name__': 'PosixTime',
'__type__': 'DateTimeValues',
'timestamp': 1281643591
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
posix_time_object)
self.assertEqual(json_dict, expected_json_dict)
posix_time_object.is_local_time = True
expected_json_dict = {
'__class_name__': 'PosixTime',
'__type__': 'DateTimeValues',
'is_local_time': True,
'timestamp': 1281643591
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
posix_time_object)
self.assertEqual(json_dict, expected_json_dict)
never_time_object = semantic_time.Never()
expected_json_dict = {
'__class_name__': 'Never',
'__type__': 'DateTimeValues',
'string': 'Never'
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
never_time_object)
self.assertEqual(json_dict, expected_json_dict)
fat_date_time_object = fat_date_time.FATDateTime(
fat_date_time=0xa8d03d0c)
expected_json_dict = {
'__class_name__': 'FATDateTime',
'__type__': 'DateTimeValues',
'fat_date_time': 2832219404
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
fat_date_time_object)
self.assertEqual(json_dict, expected_json_dict)
golang_timestamp = bytes.fromhex('01000000000000000200000003ffff')
golang_time_object = golang_time.GolangTime(
golang_timestamp=golang_timestamp)
expected_json_dict = {
'__class_name__':
'GolangTime',
'__type__':
'DateTimeValues',
'golang_timestamp':
(b'\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x03\xff\xff'),
'time_zone_offset':
0
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
golang_time_object)
self.assertEqual(json_dict, expected_json_dict)
rfc2579_date_time_object = rfc2579_date_time.RFC2579DateTime(
rfc2579_date_time_tuple=(2010, 8, 12, 20, 6, 31, 6, '+', 2, 0))
expected_json_dict = {
'__class_name__': 'RFC2579DateTime',
'__type__': 'DateTimeValues',
'rfc2579_date_time_tuple': (2010, 8, 12, 20, 6, 31, 6),
'time_zone_offset': 120
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
rfc2579_date_time_object)
self.assertEqual(json_dict, expected_json_dict)
time_elements_object = time_elements.TimeElements(
time_elements_tuple=(2010, 8, 12, 20, 6, 31))
expected_json_dict = {
'__class_name__': 'TimeElements',
'__type__': 'DateTimeValues',
'time_elements_tuple': (2010, 8, 12, 20, 6, 31)
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
time_elements_object)
self.assertEqual(json_dict, expected_json_dict)
time_elements_object = time_elements.TimeElementsInMilliseconds(
time_elements_tuple=(2010, 8, 12, 20, 6, 31, 546))
expected_json_dict = {
'__class_name__': 'TimeElementsInMilliseconds',
'__type__': 'DateTimeValues',
'time_elements_tuple': (2010, 8, 12, 20, 6, 31, 546)
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
time_elements_object)
self.assertEqual(json_dict, expected_json_dict)
time_elements_object = time_elements.TimeElementsInMicroseconds(
time_elements_tuple=(2010, 8, 12, 20, 6, 31, 429876))
expected_json_dict = {
'__class_name__': 'TimeElementsInMicroseconds',
'__type__': 'DateTimeValues',
'time_elements_tuple': (2010, 8, 12, 20, 6, 31, 429876)
}
json_dict = serializer.Serializer.ConvertDateTimeValuesToJSON(
time_elements_object)
self.assertEqual(json_dict, expected_json_dict)
