/// <summary>
/// Search document for digital signature with applying specific options
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Advanced Usage] # SearchForDigitalAdvanced : Search document for 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))
{
DigitalSearchOptions options = new DigitalSearchOptions()
{
// 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)
};
// search for signatures in document
List <DigitalSignature> signatures = signature.Search <DigitalSignature>(options);
Console.WriteLine("\nSource document contains following signatures.");
foreach (var digitalSignature in signatures)
{
Console.WriteLine("Digital signature found from {0} with validation flag {1}. Certificate SN {2}",
digitalSignature.SignTime, digitalSignature.IsValid, digitalSignature.Certificate?.SerialNumber);
}
}
}
/// <summary>
/// Search document with exception handling
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Advanced Usage] # SearchWithExceptionHandling : Search document with exception handling\n");
// The path to the documents directory.
string filePath = Constants.SAMPLE_PDF_SIGNED_PWD;
try
{
// don't specify Password on protected document
LoadOptions loadOptions = new LoadOptions();
using (Signature signature = new Signature(filePath))
{
DigitalSearchOptions options = new DigitalSearchOptions()
{
};
// sign document to file
List <DigitalSignature> signatures = signature.Search <DigitalSignature>(options);
}
}
catch (GroupDocsSignatureException ex)
{
Console.WriteLine("GroupDocs Signature Exception: " + ex.Message);
}
catch (Exception ex)
{
Console.WriteLine("System Exception: " + ex.Message);
}
}
/// <summary>
/// Search document for multiple signature types
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Basic Usage] # SearchForMultiple : Search document for multiple signature types \n");
// The path to the documents directory.
string filePath = Constants.SAMPLE_SIGNED_MULTI;
using (Signature signature = new Signature(filePath))
{
// define few search options
TextSearchOptions textOptions = new TextSearchOptions()
{
AllPages = true
};
DigitalSearchOptions digitalOptions = new DigitalSearchOptions()
{
AllPages = true
};
BarcodeSearchOptions barcodeOptions = new BarcodeSearchOptions()
{
AllPages = true,
Text = "123456",
MatchType = TextMatchType.Exact
};
QrCodeSearchOptions qrCodeOptions = new QrCodeSearchOptions()
{
AllPages = true,
Text = "John",
MatchType = TextMatchType.Contains
};
MetadataSearchOptions metadataOptions = new MetadataSearchOptions()
{
};
// add options to list
List <SearchOptions> listOptions = new List <SearchOptions>();
listOptions.Add(textOptions);
listOptions.Add(barcodeOptions);
listOptions.Add(qrCodeOptions);
listOptions.Add(metadataOptions);
listOptions.Add(digitalOptions);
// search for signatures in document
SearchResult result = signature.Search(listOptions);
if (result.Signatures.Count > 0)
{
Console.WriteLine($"\nSource document ['{filePath}'] contains following signatures.");
foreach (var resSignature in result.Signatures)
{
Console.WriteLine($"Signature found at page {resSignature.PageNumber} with type {resSignature.SignatureType} and Id#: {resSignature.SignatureId}");
}
}
else
{
Helper.WriteError("No one signature was found.");
}
}
}
