private void handleRequest()
{
StreamWriter wCli = null;
StreamReader rCli = null;
try
{
NetworkStream strLig = ligCli.GetStream();
wCli = new StreamWriter(strLig);
rCli = new StreamReader(strLig);
wCli.AutoFlush = true;
string data=null;
data = rCli.ReadLine();
//System.Windows.Forms.MessageBox.Show(data);
//char[] _data = data.ToCharArray();
// Here we should receive a GETKEY urn:mpeg:mpeg21:diid:doi:pt/adetti/music/00000005
// Here we shoudl receive a GETKEY MD5HASH
// we should return the key, if the license hasn't expired yet (playcount)
//System.Windows.Forms.MessageBox.Show(data.Substring(0,6));
if(String.Compare(data.Substring(0,6),"GETKEY")==0 || String.Compare(data.Substring(0,6),"getkey")==0) // This is a valid request
{
char[] _data = data.ToCharArray(); // convert to chars to extract the image ID and level
int n=0;
string CID = null;
for(n=7; n<data.Length; n++)
{
if(_data[n]!=' ')
CID += _data[n];
}
//System.Windows.Forms.MessageBox.Show(":"+CID+":");
// now we have the content id
if (CID==null)
{
wCli.Write("ERROR");
System.Windows.Forms.MessageBox.Show("The content identifier is empty!!!");
}
else
{
// the wallet needs to do the following:
// 1. Check wheter a license for that image is already on the system
if(checkLicenseOnSystem(CID))
{
// ok, we already have the license on our system
// we need to read the license from the file
string license = null;
CUser cu = new CUser();
if(!cu.readUserData(this.uname, this.pwd))
{
wCli.Write("ERROR");
System.Windows.Forms.MessageBox.Show("An error has occured while trying to read the data file.");
}
else
{
if(readLicenseFromSystem(CID, this.uname, this.pwd, ref license))
{
string key = null;
if(checkLicenseValidityPlaycount(CID))
{
if(getRequestedKey(license, ref key))
{
wCli.WriteLine(key);
}
else
{
wCli.Write("ERROR");
}
}
else
{
// delete current license file
deleteLicenseFile(CID);
// try to get a new one from the license server ????
wCli.Write("ERROR");
}
}
else
{
wCli.Write("ERROR");
}
}
}
else // we don't have the license file, we need to obtain it remotely from License Server
{
string license = null;
CUser cu = new CUser();
if(!cu.readUserData(this.uname, this.pwd))
{
wCli.Write("ERROR");
System.Windows.Forms.MessageBox.Show("An error has occured while trying to read the data file.");
}
else
{
//System.Windows.Forms.MessageBox.Show(cu.getUid());
if(obtainLicenseFromWS(cu.getUid(), CID, this.uname, this.pwd, ref license))
{
//System.Windows.Forms.MessageBox.Show(license);
if(createLicenseFile(CID, this.uname, this.pwd, license))
{
string key = null;
if(checkLicenseValidityPlaycount(CID))
{
if(getRequestedKey(license, ref key))
{
wCli.WriteLine(key);
}
else
{
wCli.Write("ERROR");
}
}
else
{
wCli.Write("ERROR");
}
}
else
{
wCli.Write("ERROR");
}
}
else
{
wCli.Write("ERROR");
}
}
}
}
//wCli.WriteLine("RES_LVL="+RES_LVL);
//wCli.WriteLine("id_imagem="+IMG_ID);
}
else // return ERROR
{
wCli.Write("ERROR");
}
//System.Windows.Forms.MessageBox.Show(data);
}
catch (Exception e)
{
wCli.Write("ERROR");
System.Windows.Forms.MessageBox.Show(e.Message);
System.Windows.Forms.MessageBox.Show(e.StackTrace);
}
finally
{
if(wCli!=null)
wCli.Close();
if(rCli!=null)
rCli.Close();
if(ligCli!=null)
ligCli.Close();
}
}
public bool readLicenseFromSystem(string cid, string username, string password, ref string rlicense)
{
string fname=cid.Replace("/","");
string filename=fname.Replace(":","");
FileStream fs = new FileStream(@".\data\"+filename, FileMode.Open);
StreamReader sr = new StreamReader(fs);
CUser cu = new CUser();
rlicense = cu.decipherDataS(username,password,sr.ReadLine());
sr.Close();
return true;
}
public bool createLicenseFile(string cid, string uname, string pwd, string license)
{
string fname=cid.Replace("/","");
string filename=fname.Replace(":","");
FileStream fs = new FileStream(@".\data\"+filename, FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
CUser cu = new CUser();
sw.WriteLine(cu.cipherDataS(uname, pwd, license));
sw.Close();
/** create the appropriate values in the registry */
RegistryKey rk = Registry.CurrentUser.OpenSubKey(@"Software\OpenSDRMWallet", true);
rk.CreateSubKey(filename);
rk.Close();
rk = Registry.CurrentUser.OpenSubKey(@"Software\OpenSDRMWallet\"+filename, true);
rk.SetValue("playcount", "0");
rk.Close();
/** now we need to parse the license and get the playcount */
string pc = getPCFromLicense(license);
/** insert the original playcount on the Registry */
rk = Registry.CurrentUser.OpenSubKey(@"Software\OpenSDRMWallet\"+filename, true);
rk.SetValue("playcount", pc);
rk.Close();
return true;
}
public osdrmWltMainForm()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
RegistryKey rk = Registry.CurrentUser.CreateSubKey(@"Software\OpenSDRMWallet");
//rk.CreateSubKey(@"licenses");
rk.Close();
//RegistryKey rkey = null;
//rkey = Registry.CurrentUser.OpenSubKey(@"Software\OpenSDRMWallet", true);
//key.SetValue("teste", "123");
//rkey.Close();
// Validate if the User has or not yet the data files created
// if yes, the buttons and textboxes are disabled and only registration of user is possible
// else disable the registration button
CUser user = new CUser();
//menuItem1.Enabled=false;
if(user.checkDataFiles()==false) // disable buttons
{
usernameTxt.Enabled = false;
passwordTxt.Enabled = false;
startWalletBtn.Enabled = false;
registerUserBtn.Enabled = true;
menuItem5.Enabled=true;
}
else
{
usernameTxt.Enabled = true;
passwordTxt.Enabled = true;
startWalletBtn.Enabled = true;
registerUserBtn.Enabled = false;
menuItem5.Enabled=false;
}
is_running = false;
}
private void startWalletBtn_Click(object sender, System.EventArgs e)
{
if(is_running == false)
{
CUser user = new CUser();
if(user.validateLogin(usernameTxt.Text, passwordTxt.Text))
{
//MessageBox.Show("Username is valid!!!");
uname = usernameTxt.Text;
pwd = passwordTxt.Text;
usernameTxt.Text = "";
usernameTxt.Enabled = false;
passwordTxt.Text = "";
passwordTxt.Enabled = false;
startWalletBtn.Text = "Terminate Wallet!!!";
//menuItem1.Enabled = true;
menuItem7.Enabled = false;
menuItem5.Enabled = false;
statusLabel.Text = "Wallet server is running...";
notifyIcon1.Text = "OSDRM Wallet - Wallet server is running...";
is_running = true;
goSrv = new Thread(new ThreadStart(this.goServer));
goSrv.IsBackground = true;
goSrv.Start();
WindowState = FormWindowState.Minimized;
}
else
{
MessageBox.Show("Username is invalid!!!");
}
}
else if(is_running == true)
{
//if(goSrv.IsAlive)
//MessageBox.Show("estou a tentar matar a thread");
goSrv.Interrupt();
goSrv.Abort();
//TcpClient cli = new TcpClient("127.0.0.1", 9999);
//cli.Close();
//this.stopServer();
//goSrv.Abort();
this.Dispose();
Application.Exit();
}
}
private void registerBtn_Click(object sender, System.EventArgs e)
{
CUser user = new CUser();
string msg=null;
if(user.validateUserData(usernameTxt.Text, passwordTxt.Text, repasswordTxt.Text, renameTxt.Text, addressTxt.Text, emailTxt.Text, ref msg)==false)
{
MessageBox.Show(msg);
}
else
{
user.setUserData(usernameTxt.Text, passwordTxt.Text, renameTxt.Text, addressTxt.Text, emailTxt.Text);
if(!user.registerUserWS())
{
MessageBox.Show("An error occured while registering the user on the Authentication Server!!!");
this.Dispose();
} else if(user.writeUserData())
{
MessageBox.Show("The registration was created successfully!!!");
mf.registerUserBtn.Enabled = false;
mf.usernameTxt.Enabled = true;
mf.passwordTxt.Enabled = true;
mf.startWalletBtn.Enabled = true;
this.Dispose();
}
}
}
