public void Process( PathInfo pathInfo, string file )
{
string f = Path.GetFileName( file );
OnBeginProcessing( f );
ProcessFile( pathInfo, file );
OnDoneProcessing( f );
}
protected abstract void ProcessFile(PathInfo pathInfo, string file);
protected override void ProcessFile(PathInfo pathInfo, string file)
{
const string headers = "parsed-headers.txt";
ReceivedMessage message = null;
try
{
using (Stream stream = File.OpenRead(file))
message = MimeParser.Parse(stream);
}
catch (Exception ex)
{
OnProcessingError(ex.Message, ex);
if (file.ToLower().StartsWith(pathInfo.QueueDirectory.ToLower()))
{
File.Move(file, pathInfo.BadmailDirectory + Path.DirectorySeparatorChar + Path.GetFileName(file));
}
return;
}
DirectoryInfo d;
string name = Path.GetFileNameWithoutExtension(file);
if (file.ToLower().StartsWith(pathInfo.ProcessedDirectory.ToLower()))
{
d = new DirectoryInfo(Path.GetDirectoryName(file) + Path.DirectorySeparatorChar + name);
}
else
{
d = new DirectoryInfo(pathInfo.ProcessedDirectory + Path.DirectorySeparatorChar + name);
}
if (!d.Exists)
{
d.Create();
using (StreamWriter writer = File.CreateText(d.FullName + Path.DirectorySeparatorChar + headers))
{
foreach (string h in message.ReceivedHeaders.Keys)
{
writer.WriteLine("{0}: {1}", h, message.ReceivedHeaders[h]);
}
}
if (message.AlternateViews.Count > 0)
{
foreach (var view in message.AlternateViews)
{
DumpAttachment(d.FullName, view);
}
}
else
{
if (message.Body != null)
{
string body = message.IsBodyHtml ? "body.html" : "body.txt";
using (StringReader reader = new StringReader(message.Body))
using (StreamWriter writer = File.CreateText(d.FullName + Path.DirectorySeparatorChar + body))
{
string line;
while (null != (line = reader.ReadLine()))
{
writer.WriteLine(line);
}
}
}
}
foreach (var attachment in message.Attachments)
{
DumpAttachment(d.FullName, attachment);
}
MoveQueueMessageToProcessed(pathInfo, file);
foreach (string f in Directory.GetFiles(Directory.GetCurrentDirectory(), "attached-message*.eml"))
{
FileInfo fileinfo = new FileInfo(f);
ProcessFile(pathInfo, fileinfo.Name);
}
}
else
{
MoveQueueMessageToProcessed(pathInfo, file);
OnProcessingWarning("Message previously extracted. Continuing.");
}
}
protected abstract void ProcessFile( PathInfo pathInfo, string file );
protected override void ProcessFile( PathInfo pathInfo, string file )
{
const string headers = "parsed-headers.txt";
ReceivedMessage message = null;
try
{
using( Stream stream = File.OpenRead( file ) )
message = MimeParser.Parse( stream );
}
catch( Exception ex )
{
OnProcessingError( ex.Message, ex );
if( file.ToLower().StartsWith( pathInfo.QueueDirectory.ToLower() ) )
File.Move( file, pathInfo.BadmailDirectory + Path.DirectorySeparatorChar + Path.GetFileName( file ) );
return;
}
DirectoryInfo d;
string name = Path.GetFileNameWithoutExtension( file );
if( file.ToLower().StartsWith( pathInfo.ProcessedDirectory.ToLower() ) )
d = new DirectoryInfo( Path.GetDirectoryName( file ) + Path.DirectorySeparatorChar + name );
else
d = new DirectoryInfo( pathInfo.ProcessedDirectory + Path.DirectorySeparatorChar + name );
if( !d.Exists )
{
d.Create();
using( StreamWriter writer = File.CreateText( d.FullName + Path.DirectorySeparatorChar + headers ) )
{
foreach( string h in message.ReceivedHeaders.Keys )
{
writer.WriteLine( "{0}: {1}", h, message.ReceivedHeaders[h] );
}
}
if( message.AlternateViews.Count > 0 )
{
foreach( var view in message.AlternateViews )
{
DumpAttachment( d.FullName, view );
}
}
else
{
if( message.Body != null )
{
string body = message.IsBodyHtml ? "body.html" : "body.txt";
using( StringReader reader = new StringReader( message.Body ) )
using( StreamWriter writer = File.CreateText( d.FullName + Path.DirectorySeparatorChar + body ) )
{
string line;
while( null != (line = reader.ReadLine()) )
writer.WriteLine( line );
}
}
}
foreach( var attachment in message.Attachments )
{
DumpAttachment( d.FullName, attachment );
}
MoveQueueMessageToProcessed( pathInfo, file );
foreach( string f in Directory.GetFiles( Directory.GetCurrentDirectory(), "attached-message*.eml" ) )
{
FileInfo fileinfo = new FileInfo( f );
ProcessFile( pathInfo, fileinfo.Name );
}
}
else
{
MoveQueueMessageToProcessed( pathInfo, file );
OnProcessingWarning( "Message previously extracted. Continuing." );
}
}
private static void MoveQueueMessageToProcessed( PathInfo pathInfo, string file )
{
if( file.ToLower().StartsWith( pathInfo.QueueDirectory.ToLower() ) )
{
FileInfo f = new FileInfo( pathInfo.ProcessedDirectory + Path.DirectorySeparatorChar + Path.GetFileName( file ) );
if( f.Exists )
f.Delete();
File.Move( file, f.FullName );
}
}