/// <summary>
/// Verify document with digital signature with applying specific options
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Advanced Usage] # VerifyDigitalAdvanced : Verify document with digital signature with applying specific options\n");
// The path to the documents directory.
string filePath = Constants.SAMPLE_PDF_SIGNED_DIGITAL;
using (Signature signature = new Signature(filePath))
{
DigitalVerifyOptions options = new DigitalVerifyOptions()
{
// specify special search criteria
Comments = "Approved",
// specify date range period of signature
SignDateTimeFrom = new DateTime(year: 2020, month: 01, day: 01),
SignDateTimeTo = new DateTime(year: 2020, month: 12, day: 31)
};
// verify document signatures
VerificationResult result = signature.Verify(options);
if (result.IsValid)
{
Console.WriteLine("\nDocument was verified successfully!");
}
else
{
Helper.WriteError("\nDocument failed verification process.");
}
}
}
/// <summary>
/// Verify document with digital signature
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Basic Usage] # VerifyDigital : Verify document with digital signature \n");
// The path to the documents directory.
string filePath = Constants.SAMPLE_SIGNED_MULTI;
using (Signature signature = new Signature(filePath))
{
DigitalVerifyOptions options = new DigitalVerifyOptions(Constants.CertificatePfx)
{
Contact = "Mr.Smith",
Password = "******"
};
// verify document signatures
VerificationResult result = signature.Verify(options);
if (result.IsValid)
{
Console.WriteLine($"\nDocument {filePath} was verified successfully!");
}
else
{
Helper.WriteError($"\nDocument {filePath} failed verification process.");
}
}
}
/// <summary>
/// Verify document with exception handling
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Advanced Usage] # VerifyWithExceptionHandling : Verify document with exception handling\n");
// The path to the documents directory.
string filePath = Constants.SAMPLE_PDF;
try
{
using (Signature signature = new Signature(filePath))
{
DigitalVerifyOptions options = new DigitalVerifyOptions()
{
CertificateFilePath = "dummy.pfx",
// skip password specification
// Password = "******"
};
// sign document to file
VerificationResult result = signature.Verify(options);
}
}
catch (GroupDocsSignatureException ex)
{
Console.WriteLine("GroupDocs Signature Exception: " + ex.Message);
}
catch (Exception ex)
{
Console.WriteLine("System Exception: " + ex.Message);
}
}
/// <summary>
/// Verify document with Text signature
/// </summary>
public static void Run()
{
// The path to the documents directory.
string filePath = Constants.SAMPLE_SIGNED_MULTI;
using (Signature signature = new Signature(filePath))
{
TextVerifyOptions textVerifyOptions = new TextVerifyOptions()
{
AllPages = true, // this value is set by default
SignatureImplementation = TextSignatureImplementation.Native,
Text = "Text signature",
MatchType = TextMatchType.Contains
};
BarcodeVerifyOptions barcVerifyOptions = new BarcodeVerifyOptions()
{
AllPages = true, // this value is set by default
Text = "12345",
MatchType = TextMatchType.Contains
};
QrCodeVerifyOptions qrcdVerifyOptions = new QrCodeVerifyOptions()
{
AllPages = true, // this value is set by default
Text = "John",
MatchType = TextMatchType.Contains
};
DigitalVerifyOptions digtVerifyOptions = new DigitalVerifyOptions(Constants.CertificatePfx)
{
SignDateTimeFrom = new DateTime(year: 2020, month: 01, day: 01),
SignDateTimeTo = new DateTime(year: 2020, month: 12, day: 31),
Password = "******"
};
// verify document signatures
List <VerifyOptions> listOptions = new List <VerifyOptions>();
listOptions.Add(textVerifyOptions);
listOptions.Add(barcVerifyOptions);
listOptions.Add(qrcdVerifyOptions);
listOptions.Add(digtVerifyOptions);
VerificationResult result = signature.Verify(listOptions);
if (result.IsValid)
{
Console.WriteLine("\nDocument was verified successfully!");
}
else
{
Console.WriteLine("\nDocument failed verification process.");
}
}
}
