public static MIME_Entity CreateAttachment(Stream stream, string fileName)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
long fileSize = stream.CanSeek ? (stream.Length - stream.Position) : -1;
MIME_Entity retVal = new MIME_Entity();
MIME_b_Application body = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
retVal.Body = body;
body.SetData(stream, MIME_TransferEncodings.Base64);
retVal.ContentType.Param_Name = Path.GetFileName(fileName);
MIME_h_ContentDisposition disposition = new MIME_h_ContentDisposition(MIME_DispositionTypes.Attachment);
disposition.Param_FileName = Path.GetFileName(fileName);
disposition.Param_Size = fileSize;
//disposition.Param_CreationDate = fileInfo.CreationTime;
//disposition.Param_ModificationDate = fileInfo.LastWriteTime;
//disposition.Param_ReadDate = fileInfo.LastAccessTime;
retVal.ContentDisposition = disposition;
return(retVal);
}
/// <summary>
/// Parses body from the specified stream
/// </summary>
/// <param name="owner">Owner MIME entity.</param>
/// <param name="defaultContentType">Default content-type for this body.</param>
/// <param name="stream">Stream from where to read body.</param>
/// <returns>Returns parsed body.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b>, <b>defaultContentType</b> or <b>strean</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when any parsing errors.</exception>
protected static new MIME_b Parse(MIME_Entity owner, MIME_h_ContentType defaultContentType, SmartStream stream)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (defaultContentType == null)
{
throw new ArgumentNullException("defaultContentType");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
MIME_b_Application retVal = null;
if (owner.ContentType != null)
{
retVal = new MIME_b_Application(owner.ContentType.TypeWithSubtype);
}
else
{
retVal = new MIME_b_Application(defaultContentType.TypeWithSubtype);
}
Net_Utils.StreamCopy(stream, retVal.EncodedStream, stream.LineBufferSize);
return(retVal);
}
public static MIME_Entity CreateAttachment(string file)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
MIME_Entity retVal = new MIME_Entity();
MIME_b_Application body = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
retVal.Body = body;
body.SetDataFromFile(file, MIME_TransferEncodings.Base64);
retVal.ContentType.Param_Name = Path.GetFileName(file);
FileInfo fileInfo = new FileInfo(file);
MIME_h_ContentDisposition disposition = new MIME_h_ContentDisposition(MIME_DispositionTypes.Attachment);
disposition.Param_FileName = Path.GetFileName(file);
disposition.Param_Size = fileInfo.Length;
disposition.Param_CreationDate = fileInfo.CreationTime;
disposition.Param_ModificationDate = fileInfo.LastWriteTime;
disposition.Param_ReadDate = fileInfo.LastAccessTime;
retVal.ContentDisposition = disposition;
return(retVal);
}
/// <summary>
/// Stores MIME entity body to the specified stream.
/// </summary>
/// <param name="stream">Stream where to store body data.</param>
/// <param name="headerWordEncoder">Header 8-bit words ecnoder. Value null means that words are not encoded.</param>
/// <param name="headerParmetersCharset">Charset to use to encode 8-bit header parameters. Value null means parameters not encoded.</param>
/// <param name="headerReencode">If true always specified encoding is used for header. If false and header field value not modified,
/// original encoding is kept.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> is null reference.</exception>
internal protected override void ToStream(Stream stream, MIME_Encoding_EncodedWord headerWordEncoder, Encoding headerParmetersCharset, bool headerReencode)
{
// We have signer certificate, sign this entity.
if (this.BodyParts.Count > 0 && m_pSignerCert != null)
{
// Remove old signature if there is any.
if (this.BodyParts.Count > 1)
{
this.BodyParts.Remove(1);
}
// Store entity to tmp stream.
MemoryStream tmpDataEntityStream = new MemoryStream();
this.BodyParts[0].ToStream(tmpDataEntityStream, null, null, false);
// Compute PKCS #7 message.
SignedCms signedCms = new SignedCms(new ContentInfo(tmpDataEntityStream.ToArray()), true);
signedCms.ComputeSignature(new CmsSigner(m_pSignerCert));
byte[] pkcs7 = signedCms.Encode();
// Create PKCS 7 entity.
MIME_Entity entity_application_pkcs7 = new MIME_Entity();
MIME_b_Application application_pkcs7 = new MIME_b_Application(MIME_MediaTypes.Application.x_pkcs7_signature);
entity_application_pkcs7.Body = application_pkcs7;
application_pkcs7.SetData(new MemoryStream(pkcs7), MIME_TransferEncodings.Base64);
entity_application_pkcs7.ContentType.Param_Name = "smime.p7s";
entity_application_pkcs7.ContentDescription = "S/MIME Cryptographic Signature";
this.BodyParts.Add(entity_application_pkcs7);
signedCms.Decode(application_pkcs7.Data);
signedCms.CheckSignature(true);
}
base.ToStream(stream, headerWordEncoder, headerParmetersCharset, headerReencode);
}
