Source code for pdftools_sdk.signature_validation.cms_signature_content

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

import pdftools_sdk.internal
import pdftools_sdk.signature_validation.signature_content

if TYPE_CHECKING:
    from pdftools_sdk.sys.date import _Date
    from pdftools_sdk.signature_validation.time_source import TimeSource
    from pdftools_sdk.crypto.hash_algorithm import HashAlgorithm
    from pdftools_sdk.signature_validation.time_stamp_content import TimeStampContent
    from pdftools_sdk.signature_validation.certificate import Certificate
    from pdftools_sdk.signature_validation.certificate_chain import CertificateChain

else:
    _Date = "pdftools_sdk.sys.date._Date"
    TimeSource = "pdftools_sdk.signature_validation.time_source.TimeSource"
    HashAlgorithm = "pdftools_sdk.crypto.hash_algorithm.HashAlgorithm"
    TimeStampContent = "pdftools_sdk.signature_validation.time_stamp_content.TimeStampContent"
    Certificate = "pdftools_sdk.signature_validation.certificate.Certificate"
    CertificateChain = "pdftools_sdk.signature_validation.certificate_chain.CertificateChain"


[docs] class CmsSignatureContent(pdftools_sdk.signature_validation.signature_content.SignatureContent): """ The data and validation result of the cryptographic signature """ @property def validation_time(self) -> datetime: """ The time at which the signature has been validated Returns: datetime """ from pdftools_sdk.sys.date import _Date _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetValidationTime.argtypes = [c_void_p, POINTER(_Date)] _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetValidationTime.restype = c_bool ret_val = _Date() if not _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetValidationTime(self._handle, byref(ret_val)): _NativeBase._throw_last_error(False) return ret_val._to_datetime() @property def validation_time_source(self) -> TimeSource: """ The source for the validation time Returns: pdftools_sdk.signature_validation.time_source.TimeSource """ from pdftools_sdk.signature_validation.time_source import TimeSource _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetValidationTimeSource.argtypes = [c_void_p] _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetValidationTimeSource.restype = c_int ret_val = _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetValidationTimeSource(self._handle) if ret_val == 0: _NativeBase._throw_last_error() return TimeSource(ret_val) @property def hash_algorithm(self) -> HashAlgorithm: """ The hash algorithm used to calculate the signature's message digest Returns: pdftools_sdk.crypto.hash_algorithm.HashAlgorithm """ from pdftools_sdk.crypto.hash_algorithm import HashAlgorithm _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetHashAlgorithm.argtypes = [c_void_p] _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetHashAlgorithm.restype = c_int ret_val = _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetHashAlgorithm(self._handle) if ret_val == 0: _NativeBase._throw_last_error() return HashAlgorithm(ret_val) @property def time_stamp(self) -> Optional[TimeStampContent]: """ The data and validation result of the embedded time-stamp Returns: Optional[pdftools_sdk.signature_validation.time_stamp_content.TimeStampContent] """ from pdftools_sdk.signature_validation.time_stamp_content import TimeStampContent _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetTimeStamp.argtypes = [c_void_p] _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetTimeStamp.restype = c_void_p ret_val = _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetTimeStamp(self._handle) if ret_val is None: _NativeBase._throw_last_error() return None return TimeStampContent._create_dynamic_type(ret_val) @property def signing_certificate(self) -> Optional[Certificate]: """ The signing certificate Returns: Optional[pdftools_sdk.signature_validation.certificate.Certificate] """ from pdftools_sdk.signature_validation.certificate import Certificate _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetSigningCertificate.argtypes = [c_void_p] _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetSigningCertificate.restype = c_void_p ret_val = _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetSigningCertificate(self._handle) if ret_val is None: _NativeBase._throw_last_error() return None return Certificate._create_dynamic_type(ret_val) @property def certificate_chain(self) -> Optional[CertificateChain]: """ The certificate chain of the signing certificate Returns: Optional[pdftools_sdk.signature_validation.certificate_chain.CertificateChain] """ from pdftools_sdk.signature_validation.certificate_chain import CertificateChain _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetCertificateChain.argtypes = [c_void_p] _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetCertificateChain.restype = c_void_p ret_val = _lib.PdfToolsSignatureValidation_CmsSignatureContent_GetCertificateChain(self._handle) if ret_val is None: _NativeBase._throw_last_error() return None return CertificateChain._create_dynamic_type(ret_val) @staticmethod def _create_dynamic_type(handle): return CmsSignatureContent._from_handle(handle) @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 = CmsSignatureContent.__new__(cls) # Bypass __init__ instance._initialize(handle) return instance def _initialize(self, handle): super()._initialize(handle)