0.5.6b - FileAttachment as byte array (fix)

[MrBool]

I have tried to send PDF file (as byte array) as FileAttachment, but it was corrupted.

below is a (dirty) fix, but it works for me ;)

AbstractEmailAttachment.cs
-> GetEncodedContents(IEncoder encoder)

else if (_contentbytes!=null)
{
((Base64Encoder)encoder).Encode(_contentbytes, new StringWriter(sb), charset);
}

  /// <summary>
  /// Encode the File's data in base64.
  /// </summary>
  /// <param name="filestream">Reader for incoming string</param>
  /// <param name="stringwriter">Writer for outgoing encoded string</param>
  /// <param name="charset">The character set for the encoded string</param>
  public void Encode(FileStream filestream, StringWriter stringwriter, System.Text.Encoding charset)
  {
   byte[] buffer = new byte[filestream.Length];
   filestream.Read(buffer, 0, buffer.Length);
   filestream.Close();
   Encode(buffer, stringwriter,charset);
  }
  /// <summary>
  /// Encode bytes in base64.
  /// </summary>
  /// <param name="buffer">buffer of bytes</param>
  /// <param name="stringwriter">Writer for outgoing encoded string</param>
  /// <param name="charset">The character set for the encoded string</param>
  public void Encode(byte[] buffer, StringWriter stringwriter, System.Text.Encoding charset)
  {
   stringwriter.Write(MakeLines(System.Convert.ToBase64String(buffer, 0, buffer.Length)));
  }

Test :

using System;
using System.IO;
using DotNetOpenMail;
using DotNetOpenMail.Utils;
using NUnit.Framework;
using log4net;
namespace DotNetOpenMailTests
{
[TestFixture]
public class QuickTest
{

  SmtpServer _smtpserver=null;
  private static readonly ILog log = LogManager.GetLogger(typeof(QuickTest));
  public QuickTest()
  {
  }
  [SetUp]
  public void SetUp()
  {
  
  }
  [TearDown]
  public void TearDown()
  {
  }
  [Test]
  public void TestSend()
  {
   string email = "anonynmous@anonynmous.org";
   _smtpserver = new SmtpServer("the-exch-backend");
   EmailMessage emailmessage=new EmailMessage();
   emailmessage.FromAddress=new EmailAddress(email, "NUnit Test Sender");
   emailmessage.AddToAddress(new EmailAddress(email, "NUnit Test Sender"));
   emailmessage.Subject="EmailMessageTests Test HTML and Text";
   emailmessage.TextPart=new TextAttachment("This\r\nis the\r\ntext\r\npart.");
  
   FileInfo fileinfo = new FileInfo(@"C:\test.pdf");
   FileStream fs = fileinfo.OpenRead();
   byte[] bytes = new byte[fileinfo.Length];
   fs.Read(bytes,0,bytes.Length);
   fs.Close();
  
   //FileAttachment fileAttachment = new FileAttachment(fileinfo);
   FileAttachment fileAttachment = new FileAttachment(bytes);

   fileAttachment.FileName="test.pdf";
   fileAttachment.ContentType = "application/pdf";
  
   emailmessage.AddMixedAttachment(fileAttachment);
   emailmessage.Send(_smtpserver);
  }
   
public static void Main()
{
  new QuickTest().TestSend();
}

}
}

P.S: There is original message from me : http://www.gotdotnet.ru/Forums/Common/244794.aspx#245093

[Mike Bridge]

Hi-

Have you tried using 0.5.7b yet?  I modified this for the last release.

Thanks,

-Mike

[Serge V. Zabegailo]

0.5.7b - does not work.
The solution from MrBool works perfectly.
Just need to replace your code in AbstractEmailAttachment.cs :

encoder.Encode(new BinaryReader(new MemoryStream(_contentbytes)), new StringWriter(sb));

To:

((Base64Encoder)encoder).Encode(_contentbytes, new StringWriter(sb), charset);

and add new routine in BaseEncoder64.cs
public void Encode(byte[] buffer, StringWriter stringwriter, System.Text.Encoding charset) 
{
stringwriter.Write(MakeLines(System.Convert.ToBase64String(buffer, 0, buffer.Length)));
}