Ejemplo n.º 1
0
        internal Attachment[] GetAttachments(bool includeEmbedded)
        {
            IList <Attachment> attachmentList = new List <Attachment>();

            if (embeddedMessage != null)
            {
                string attachmentName = null;
                string charset        = null;

                if (embeddedMessage.ContentType != null)
                {
                    Parameter nameParameter = embeddedMessage.ContentType.Parameters["name"];

                    if (nameParameter != null && nameParameter.Value != null)
                    {
                        attachmentName = nameParameter.Value;
                    }

                    Parameter charsetParameter = embeddedMessage.ContentType.Parameters["charset"];

                    if (charsetParameter != null)
                    {
                        charset = charsetParameter.Value;
                    }
                }

                if (attachmentName == null && embeddedMessage.ContentDisposition != null)
                {
                    Parameter filenameParameter = embeddedMessage.ContentDisposition.Parameters["filename"];

                    if (filenameParameter != null && filenameParameter.Value != null)
                    {
                        attachmentName = filenameParameter.Value;
                    }
                }

                if (attachmentName == null)
                {
                    attachmentName = embeddedMessage.Subject + ".eml";
                }

                Encoding encoding = Util.GetEncoding(charset);

                byte[] attachmentBuffer = encoding.GetBytes(embeddedMessage.ToString());

                Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                attachment.ContentID          = this.ContentID;
                attachment.ContentLocation    = this.ContentLocation;
                attachment.ContentDisposition = this.ContentDisposition;
                attachment.ContentDescription = this.ContentDescription;
                attachmentList.Add(attachment);
            }
            else if (ContentType != null && ContentType.Type != null && ContentType.Type.ToLower() == "message" && ContentType.SubType != null && ContentType.SubType.ToLower() == "rfc822")
            {
                string attachmentName = null;
                string charset        = null;

                if (this.ContentType != null)
                {
                    Parameter nameParameter = this.ContentType.Parameters["name"];

                    if (nameParameter != null && nameParameter.Value != null)
                    {
                        attachmentName = nameParameter.Value;
                    }

                    Parameter charsetParameter = this.ContentType.Parameters["charset"];

                    if (charsetParameter != null)
                    {
                        charset = charsetParameter.Value;
                    }
                }

                if (attachmentName == null && this.ContentDisposition != null)
                {
                    Parameter filenameParameter = this.ContentDisposition.Parameters["filename"];

                    if (filenameParameter != null && filenameParameter.Value != null)
                    {
                        attachmentName = filenameParameter.Value;
                    }
                }

                Encoding encoding = Util.GetEncoding(charset);

                byte[] attachmentBuffer = encoding.GetBytes(this.ToString());

                Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                attachment.ContentID          = this.ContentID;
                attachment.ContentLocation    = this.ContentLocation;
                attachment.ContentDisposition = this.ContentDisposition;
                attachment.ContentDescription = this.ContentDescription;
                attachmentList.Add(attachment);
            }
            else if (body != null && ContentType != null && ContentType.Type != null && ContentType.Type.ToLower() != "text")
            {
                string attachmentName = null;

                if (this.ContentType != null)
                {
                    Parameter nameParameter = this.ContentType.Parameters["name"];

                    if (nameParameter != null && nameParameter.Value != null)
                    {
                        attachmentName = nameParameter.Value;
                    }
                }

                if (attachmentName == null && this.ContentDisposition != null)
                {
                    Parameter filenameParameter = this.ContentDisposition.Parameters["filename"];

                    if (filenameParameter != null && filenameParameter.Value != null)
                    {
                        attachmentName = filenameParameter.Value;
                    }
                }

                if (this.ContentTransferEncoding == ContentTransferEncoding.Base64)
                {
                    byte[] attachmentBuffer = Util.DecodeBase64Attachment(body);

                    Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                    attachment.ContentType        = new ContentType(ContentType.Type, ContentType.SubType);
                    attachment.ContentID          = this.ContentID;
                    attachment.ContentLocation    = this.ContentLocation;
                    attachment.ContentDisposition = this.ContentDisposition;
                    attachment.ContentDescription = this.ContentDescription;
                    attachmentList.Add(attachment);
                }
                else
                {
                    byte[] attachmentBuffer = System.Text.Encoding.Default.GetBytes(body);

                    Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                    attachment.ContentType        = new ContentType(ContentType.Type, ContentType.SubType);
                    attachment.ContentID          = this.ContentID;
                    attachment.ContentLocation    = this.ContentLocation;
                    attachment.ContentDisposition = this.ContentDisposition;
                    attachment.ContentDescription = this.ContentDescription;
                    attachmentList.Add(attachment);
                }
            }
            else if (body != null && ContentType != null && ContentType.Type != null && ContentType.Type.ToLower() == "text" && ContentType.Parameters["name"] != null)
            {
                string attachmentName = null;

                if (this.ContentType != null)
                {
                    Parameter nameParameter = this.ContentType.Parameters["name"];

                    if (nameParameter != null && nameParameter.Value != null)
                    {
                        attachmentName = nameParameter.Value;
                    }
                }

                if (attachmentName == null && this.ContentDisposition != null)
                {
                    Parameter filenameParameter = this.ContentDisposition.Parameters["filename"];

                    if (filenameParameter != null && filenameParameter.Value != null)
                    {
                        attachmentName = filenameParameter.Value;
                    }
                }

                byte[] attachmentBuffer = System.Text.Encoding.Default.GetBytes(body);

                Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                attachment.ContentType        = new ContentType(ContentType.Type, ContentType.SubType);
                attachment.ContentID          = this.ContentID;
                attachment.ContentLocation    = this.ContentLocation;
                attachment.ContentDisposition = this.ContentDisposition;
                attachment.ContentDescription = this.ContentDescription;
                attachmentList.Add(attachment);
            }
            else if (body != null && ContentDisposition != null && ContentDisposition.ToString().ToLower() != "inline")
            {
                string attachmentName = null;

                if (this.ContentType != null)
                {
                    Parameter nameParameter = this.ContentType.Parameters["name"];

                    if (nameParameter != null && nameParameter.Value != null)
                    {
                        attachmentName = nameParameter.Value;
                    }
                }

                if (attachmentName == null && this.ContentDisposition != null)
                {
                    Parameter filenameParameter = this.ContentDisposition.Parameters["filename"];

                    if (filenameParameter != null && filenameParameter.Value != null)
                    {
                        attachmentName = filenameParameter.Value;
                    }
                }

                if (this.ContentTransferEncoding == ContentTransferEncoding.Base64)
                {
                    byte[] attachmentBuffer = Util.DecodeBase64Attachment(body);

                    Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                    attachment.ContentID          = this.ContentID;
                    attachment.ContentLocation    = this.ContentLocation;
                    attachment.ContentDisposition = this.ContentDisposition;
                    attachment.ContentDescription = this.ContentDescription;
                    attachmentList.Add(attachment);
                }
                else
                {
                    byte[] attachmentBuffer = System.Text.Encoding.Default.GetBytes(body);

                    Attachment attachment = new Attachment(attachmentBuffer, attachmentName);
                    attachment.ContentID          = this.ContentID;
                    attachment.ContentLocation    = this.ContentLocation;
                    attachment.ContentDisposition = this.ContentDisposition;
                    attachment.ContentDescription = this.ContentDescription;
                    attachmentList.Add(attachment);
                }
            }
            else if (bodyParts.Count > 0)
            {
                for (int i = 0; i < bodyParts.Count; i++)
                {
                    if (bodyParts[i] != null && (includeEmbedded || bodyParts[i].ContentID == null) && bodyParts[i].ContentType != null && ContentType.Type.ToLower() != "text")
                    {
                        Attachment[] bodyPartAttachments = bodyParts[i].GetAttachments(includeEmbedded);

                        for (int j = 0; j < bodyPartAttachments.Length; j++)
                        {
                            attachmentList.Add(bodyPartAttachments[j]);
                        }
                    }
                }
            }

            Attachment[] attachments = new Attachment[attachmentList.Count];

            for (int i = 0; i < attachmentList.Count; i++)
            {
                attachments[i] = attachmentList[i];
            }

            return(attachments);
        }
Ejemplo n.º 2
0
        private void ParseHeader(byte[] headerBuffer)
        {
            string headerAsciiString = System.Text.Encoding.Default.GetString(headerBuffer, 0, headerBuffer.Length);

            headerAsciiString = Util.Unfolding(headerAsciiString);

            string[] lines = headerAsciiString.Split(Util.CrlfSeparator);

            string currentHeaderName  = null;
            string currentHeaderValue = null;

            for (int i = 0; i < lines.Length; i++)
            {
                if (lines[i].Length > 0)
                {
                    if (!lines[i].StartsWith(" ") && !lines[i].StartsWith("\t"))
                    {
                        if (currentHeaderName != null && currentHeaderValue != null)
                        {
                            currentHeaderValue = currentHeaderValue.TrimStart();
                            currentHeaderValue = Util.DecodeHeader(currentHeaderValue, ref headerEncoding);

                            if (Util.IsStandardKey(currentHeaderName))
                            {
                                currentHeaderName = Util.GetCorrectedStandardKey(currentHeaderName);
                            }

                            Header header = new Header(currentHeaderName, currentHeaderValue);
                            headers.Add(header);

                            currentHeaderName  = null;
                            currentHeaderValue = null;
                        }

                        int colonIndex = lines[i].IndexOf(":");

                        if (colonIndex > -1)
                        {
                            currentHeaderName = lines[i].Substring(0, colonIndex);

                            if (currentHeaderName.ToLower() == "content-disposition")
                            {
                                currentHeaderValue = lines[i].Substring(colonIndex + 1);

                                //parse Content-Disposition
                                ContentDisposition cd = new ContentDisposition(currentHeaderValue);
                                currentHeaderValue = cd.ToString();
                            }
                            else
                            {
                                currentHeaderValue = lines[i].Substring(colonIndex + 1);
                            }
                        }
                    }
                    else
                    {
                        lines[i]            = lines[i].Replace("\t", " ");
                        currentHeaderValue += lines[i];
                    }
                }
            }

            if (currentHeaderName != null && currentHeaderValue != null)
            {
                currentHeaderValue = currentHeaderValue.TrimStart();
                currentHeaderValue = Util.DecodeHeader(currentHeaderValue, ref headerEncoding);

                if (Util.IsStandardKey(currentHeaderName))
                {
                    currentHeaderName = Util.GetCorrectedStandardKey(currentHeaderName);
                }

                Header header = new Header(currentHeaderName, currentHeaderValue);
                headers.Add(header);
            }
        }