public override string UseEncoding(interpreterContext context)
{
if (context.Output != null)
{
return Encoding.UTF8.GetString(context.Output.ToArray());
}
else
{
return string.Empty;
}
}
public void Interpret(interpreterContext context)
{
List<byte> output = new List<byte>();
var i = 0;
try
{
while (i < context.Input.Length - 2)
{
if (context.Input[i] == '=' && context.Input[i + 1] == '\r' && context.Input[i + 2] == '\n')
{
//Skip
i += 3;
}
else if (context.Input[i] == '=')
{
string shex = context.Input;
shex = shex.Substring(i + 1, 2);
int hex = Convert.ToInt32(shex, 16);
byte b = Convert.ToByte(hex);
output.Add(b);
i += 3;
}
else
{
output.Add((byte)context.Input[i]);
i++;
}
}
context.Output = output;
}
catch
{
context.Output = null;
}
}
public Letter CheckLetterByIMAP(Profile user, int letterNum)
{
Letter newLetter = new Letter();
newLetter.SetId();
newLetter.ProfileId = user.Id;
newLetter.To = user.Adress;
newLetter.Category = "Inbox";
bool subjectFound = false;
bool dateFound = false;
bool fromFound = false;
ImapConsole console = new ImapConsole();
console.SetSSLConnection(user);
console.SendCommand(new ImapAuthenticate(user));
console.ExecuteCommand();
this.ImapRequest("$ SELECT INBOX\r\n");
console.SendCommand(new ImapGetHeaderOfLetter(letterNum));
List<string> letterHeader = (List<string>)console.ExecuteCommand();
foreach (string line in letterHeader)
{
if (!fromFound && line.Contains("From: "))
{
string thisLine = line;
if (line.Contains("<"))
{
thisLine = line.Substring(line.IndexOf('<') + 1, line.IndexOf('>') - line.IndexOf('<') - 1);
newLetter.From = thisLine;
}
else
{
newLetter.From = thisLine.Substring(6);
}
fromFound = true;
}
if (!dateFound && line.Length > 6 && line.Substring(0, 6) == "Date: ")
{
string thisLine = line;
if (line.Contains("+"))
{
thisLine = line.Substring(0, line.IndexOf('+'));
}
else if (line.Contains("-"))
{
thisLine = line.Substring(0, line.IndexOf('-'));
}
newLetter.SendingTime = Convert.ToDateTime(thisLine.Substring(6));
dateFound = true;
}
if (!subjectFound && line.Contains("Subject: "))
{
newLetter.Subject = line.Substring(9).Replace("\r", string.Empty);
if (newLetter.Subject.Substring(0, 5) == "=?utf")
{
newLetter.Subject = newLetter.Subject.Substring(10, newLetter.Subject.Length - 10);
interpreterContext iC = new interpreterContext(newLetter.Subject);
DefaultExpression ex = new DefaultExpression();
ex.Interpret(iC);
newLetter.Subject = ex.UseEncoding(iC);
}
subjectFound = true;
}
if (subjectFound && dateFound && fromFound)
{
break;
}
}
console.SetSSLConnection(user);
console.SendCommand(new ImapAuthenticate(user));
console.ExecuteCommand();
this.ImapRequest("$ SELECT INBOX\r\n");
console.SendCommand(new ImapGetTextOfLetter(letterNum));
newLetter.Body = (string)console.ExecuteCommand();
return newLetter;
}
public override string UseEncoding(interpreterContext context)
{
return Encoding.GetEncoding("Shift_JIS").GetString(context.Output.ToArray());
}
public abstract string UseEncoding(interpreterContext context);