|
The following C# code example removes a digital signature
from a signature field named SignatureField1. The name of
the PDF file that contains the signature field is LoanSigned.pdf.
(See Removing Digital Signatures.)
/**
* Ensure that you create a .NET project that uses
* MS Visual Studio 2008 and version 3.5 of the .NET
* framework. This is required to invoke a
* LiveCycle service using MTOM.
*
* For information, see "Invoking LiveCycle using MTOM" in Programming with LiveCycle
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
using System.IO;
using ClearSignatureField.ServiceReference1;
namespace ClearSignatureField
{
class Program
{
static void Main(string[] args)
{
try
{
//Create a SignatureServiceClient object
SignatureServiceClient sigClient = new SignatureServiceClient();
sigClient.Endpoint.Address = new System.ServiceModel.EndpointAddress("http://hiro-xp:8080/soap/services/SignatureService?blob=mtom");
//Enable BASIC HTTP authentication
BasicHttpBinding b = (BasicHttpBinding)sigClient.Endpoint.Binding;
b.MessageEncoding = WSMessageEncoding.Mtom;
sigClient.ClientCredentials.UserName.UserName = "administrator";
sigClient.ClientCredentials.UserName.Password = "password";
b.Security.Transport.ClientCredentialType = HttpClientCredentialType.Basic;
b.Security.Mode = BasicHttpSecurityMode.TransportCredentialOnly;
b.MaxReceivedMessageSize = 2000000;
b.MaxBufferSize = 2000000;
b.ReaderQuotas.MaxArrayLength = 2000000;
//Create a BLOB object
BLOB inDoc = new BLOB();
//Specify a PDF document that contains a digital signature
string path = "C:\\Adobe\LoanSigned.pdf";
FileStream fs = new FileStream(path, FileMode.Open);
//Get the length of the file stream
int len = (int)fs.Length;
byte[] ByteArray = new byte[len];
//Populate the byte array with the contents of the FileStream object
fs.Read(ByteArray, 0, len);
inDoc.MTOM = ByteArray;
//Specify the name of the signature field
string fieldName = "SignatureField1";
//Clear the signature field
BLOB signedDoc = sigClient.clearSignatureField(inDoc, fieldName);
//Populate a byte array with BLOB data
byte[] outByteArray = signedDoc.MTOM;
//Create a new file instance
string fileName = "C:\\Adobe\Loan.pdf";
FileStream fs2 = new FileStream(fileName, FileMode.OpenOrCreate);
//Create a BinaryWriter object
BinaryWriter w = new BinaryWriter(fs2);
w.Write(outByteArray);
w.Close();
fs2.Close();
}
catch (Exception ee)
{
Console.WriteLine(ee.Message);
}
}
}
}
|
|
|
