from __future__ import annotations
import io
from typing import List, Iterator, Tuple, Optional, Any, TYPE_CHECKING, Callable
from ctypes import *
from datetime import datetime
from numbers import Number
from pdftools_sdk.internal import _lib
from pdftools_sdk.internal.utils import _string_to_utf16, _utf16_to_string
from pdftools_sdk.internal.streams import _StreamDescriptor, _NativeStream
from pdftools_sdk.internal.native_base import _NativeBase
from pdftools_sdk.internal.native_object import _NativeObject
from abc import ABC
import pdftools_sdk.internal
if TYPE_CHECKING:
from pdftools_sdk.signature_validation.constraint_result import ConstraintResult
else:
ConstraintResult = "pdftools_sdk.signature_validation.constraint_result.ConstraintResult"
[docs]
class SignatureContent(_NativeObject, ABC):
"""
The data and validation result of the cryptographic signature
"""
@property
def validity(self) -> ConstraintResult:
"""
Whether the cryptographic signature is valid according to the validation profile used
Returns:
pdftools_sdk.signature_validation.constraint_result.ConstraintResult
"""
from pdftools_sdk.signature_validation.constraint_result import ConstraintResult
_lib.PdfToolsSignatureValidation_SignatureContent_GetValidity.argtypes = [c_void_p]
_lib.PdfToolsSignatureValidation_SignatureContent_GetValidity.restype = c_void_p
ret_val = _lib.PdfToolsSignatureValidation_SignatureContent_GetValidity(self._handle)
if ret_val is None:
_NativeBase._throw_last_error(False)
return ConstraintResult._create_dynamic_type(ret_val)
@staticmethod
def _create_dynamic_type(handle):
_lib.PdfToolsSignatureValidation_SignatureContent_GetType.argtypes = [c_void_p]
_lib.PdfToolsSignatureValidation_SignatureContent_GetType.restype = c_int
obj_type = _lib.PdfToolsSignatureValidation_SignatureContent_GetType(handle)
# Create and return the object based on the type
if obj_type == 0:
return SignatureContent._from_handle(handle)
elif obj_type == 1:
from pdftools_sdk.signature_validation.unsupported_signature_content import UnsupportedSignatureContent
return UnsupportedSignatureContent._from_handle(handle)
elif obj_type == 2:
from pdftools_sdk.signature_validation.cms_signature_content import CmsSignatureContent
return CmsSignatureContent._from_handle(handle)
elif obj_type == 3:
from pdftools_sdk.signature_validation.time_stamp_content import TimeStampContent
return TimeStampContent._from_handle(handle)
else:
return None
@classmethod
def _from_handle(cls, handle):
"""
Internal factory method for constructing an instance using an internal handle.
This method creates an instance of the class by bypassing the public constructor.
"""
instance = SignatureContent.__new__(cls) # Bypass __init__
instance._initialize(handle)
return instance
def _initialize(self, handle):
super()._initialize(handle)