/// <summary>
/// Parse a string into a System.Net.Mail.Message
/// </summary>
/// <param name="message"></param>
/// <param name="id">The Unique Identifer of this message</param>
/// <returns></returns>
public MailMessage ParseMessage(string message, string id)
{
_message = new MailMessage();
_loc = PARSERLOCATION.PARSER_INHEADERS; // Start by parsing the headers
try /// Here we go"
{
// Split the message by each line for easier parsing
string[] splitter ={"\r\n"};
string[] lines = message.Split(splitter, StringSplitOptions.None);
int lineCounter = 0;
// Parse all of the headers
ParseHeaderLines(lines, ref lineCounter);
// Is this a multi part message?
if (_boundary != "")
{
this._loc = PARSERLOCATION.PARSER_INBODY_MULTIPART_HEADER;
ParseMultiPart(lines, ref lineCounter); // MultiPart Message
}
else
{
this._loc = PARSERLOCATION.PARSER_INBODY_SINGLEPART;
ParsePart(lines, ref lineCounter); // Single Part Message
}
}
catch (Exception e)
{
throw new ApplicationException("Could not parse message data", e);
}
return _message;
}
private void ParsePart(string[] lines, ref int currentLine)
{
System.Text.StringBuilder part = new StringBuilder();
string filename = "";
bool bParsingComplete = false;
CONTENTTYPES contentType = CONTENTTYPES.UNKNOWN;
// Now Get the message
while (currentLine < lines.Length)
{
switch (this._loc)
{
case PARSERLOCATION.PARSER_INBODY_MULTIPART_HEADER:
if (contentType == CONTENTTYPES.UNKNOWN)
{
contentType = DetermineContentType(lines[currentLine]);
}
if (lines[currentLine].Contains("filename=") == true)
{
int iPos = lines[currentLine].IndexOf("filename=")+9;
int iChars = lines[currentLine].Length - iPos;
filename = lines[currentLine].Substring(iPos, iChars);
filename = filename.Replace("\"", "");
filename = filename.Trim();
}
else if (lines[currentLine] == "")
{
this._loc = PARSERLOCATION.PARSER_INBODY_MULTIPART_BODY;
}
break;
case PARSERLOCATION.PARSER_INBODY_MULTIPART_BODY:
// This looks for the boundary
if (lines[currentLine].Length > 0)
{
if (_boundary.Length > 0)
{
// Look for the boundary
if (lines[currentLine].Contains(_boundary))
{
bParsingComplete = true;
}
}
if (bParsingComplete == false)
{
part.Append(lines[currentLine]);
part.Append("\r\n");
}
}
break;
case PARSERLOCATION.PARSER_INBODY_SINGLEPART:
if (lines[currentLine].Length > 0)
{
part.Append(lines[currentLine]);
part.Append("\r\n");
}
break;
}
if (bParsingComplete == true)
{
break;
}
currentLine++;
}
if (this._loc == PARSERLOCATION.PARSER_INBODY_SINGLEPART)
{
contentType = DetermineContentType(this._contentType);
}
AddPart(part.ToString(), contentType, filename, "base64");
}
private void ParseMultiPart(string[] lines, ref int currentLine)
{
StringBuilder part = new StringBuilder();
while (currentLine < lines.Length)
{
this._loc = PARSERLOCATION.PARSER_INBODY_MULTIPART_HEADER;
ParsePart(lines, ref currentLine);
currentLine++;
}
}
