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| protected void Button1_Click(object sender, EventArgs e)
{
// Create a TCP client for a TCP connection
TcpClient tcpClient = new TcpClient();
txtLog.Text = "DEMANDE :<br>Se connecter sur " + txtServer.Text + " port " + txtPort.Text + "<br><br>";
// Connect this TCP client to the server IP/name and port specified in the form
tcpClient.Connect(txtServer.Text, Convert.ToInt32(txtPort.Text));
// Create a network stream to retrieve data from the TCP client
NetworkStream netStream = tcpClient.GetStream();
// We need a stream reader to be able to read the network stream
System.IO.StreamReader strReader = new System.IO.StreamReader(netStream, Encoding.ASCII);
// If the connection was made successfully
if (tcpClient.Connected)
{
txtLog.Text += "REPONSE :<br>" + strReader.ReadLine() + "<br><br>";
// Buffer to which we're going to write the commands
byte[] WriteBuffer = new byte[1024];
// We're passing ASCII characters
ASCIIEncoding enc = new System.Text.ASCIIEncoding();
// Pass the username to the server
WriteBuffer = enc.GetBytes("USER " + txtUser.Text + "\r\n");
txtLog.Text += "DEMANDE :<br>Here's the username: " + txtUser.Text + "<br><br>";
netStream.Write(WriteBuffer, 0, WriteBuffer.Length);
txtLog.Text += "REPONSE :<br>" + strReader.ReadLine() + "<br><br>";
// Pass the password to the server
WriteBuffer = enc.GetBytes("PASS " + txtPass.Text + "\r\n");
txtLog.Text += "DEMANDE :<br>Here's the password: " + txtPass.Text + "<br><br>";
netStream.Write(WriteBuffer, 0, WriteBuffer.Length);
txtLog.Text += "REPONSE :<br>" + strReader.ReadLine() + "<br><br>";
// Maintenant que l'on est connecté, on demande la liste des messages
WriteBuffer = enc.GetBytes("LIST\r\n");
netStream.Write(WriteBuffer, 0, WriteBuffer.Length);
string ListMessage;
txtLog.Text += "<b>Liste des messages</b><br><br>";
// On récupère le nombre de messages
int nbrMessage = 2;
int i = 1;
while (true)
{
ListMessage = strReader.ReadLine();
if (ListMessage == ".")
{
// It's the last message so exit the loop and continue
break;
}
else
{
if (i == 1)
{
//Premier passage : on récupère le nombre de messages
nbrMessage = Convert.ToInt32(ListMessage.Substring(4, (ListMessage.IndexOf("m") - 5)).ToString());
txtLog.Text += "Nombre de messages : " + nbrMessage.ToString() + "<br><br>Numéro et taille : <br>";
i++;
continue;
}
else
{
// List the message
txtLog.Text += ListMessage + "<br>";
i++;
continue;
}
}
}
txtLog.Text += "<br><b>Affichage des messages</b><br>";
for (int k = 1; k <= nbrMessage; k++)
{
// Maintenant, afficher les messages
txtLog.Text += "<i>Message numéro " + k.ToString() + "</i><br>";
WriteBuffer = enc.GetBytes("RETR " + k.ToString() + " \r\n");
netStream.Write(WriteBuffer, 0, WriteBuffer.Length);
string MESSAGE="";
string From="";
string Sujet="";
string Contenu="";
string sTemp = strReader.ReadLine();
if (sTemp[0] != '-')
{
while (sTemp != ".")
{
MESSAGE += sTemp + "<br>";
sTemp = strReader.ReadLine();
if (sTemp.Length != 0)
{
if (sTemp.Length >= 5)
{
if (sTemp.Substring(0, 5) == "From:")
From = sTemp.Substring(5, sTemp.Length - 5);
}
if (sTemp.Length >= 8)
{
if (sTemp.Substring(0, 8) == "Subject:")
Sujet = sTemp.Substring(8, sTemp.Length - 8);
}
}
}
}
try { Contenu = MESSAGE.Substring(MESSAGE.IndexOf("Content-Type: text/html; charset=ISO-8859-1")); }
catch { }
Contenu = Contenu.Trim().Substring(0, Contenu.Length - 36);
Contenu = Contenu.Trim().Substring(43, Contenu.Length - 43); // Suppression de Content-Type: text/html; charset=ISO-8859-1 et du code a la fin
if (Contenu.IndexOf("Content-Transfer-Encoding: quoted-printable") > -1) Contenu = Contenu.Trim().Substring(Contenu.IndexOf("Content-Transfer-Encoding: quoted-printable") + 43, Contenu.Length - (Contenu.IndexOf("Content-Transfer-Encoding: quoted-printable") + 43));
txtLog.Text += "from : " + From + "<br>Sujet : " + Sujet + "<br>Corps : <input type=text value=\"" + Contenu.Replace("\"","'")+"\"><br>";
}
txtLog.Text += "DEMANDE :<br>Merci, déconnexion...<br><br>";
WriteBuffer = enc.GetBytes("QUIT\r\n");
netStream.Write(WriteBuffer, 0, WriteBuffer.Length);
txtLog.Text += "REPONSE :<br>" + strReader.ReadLine();
tcpClient.Close();
}
else txtLog.Text = "Non connecté";
} |
Problème Encoding lors de récupération de Mail
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