/// <summary>
/// Attempts to sign in the DJ using the given credentials.
/// If an error occurs, the LogInResponse will have the error field as true, and the error will be in message.
/// </summary>
/// <param name="username">Username to sign in with.</param>
/// <param name="password">Password to sign in with.</param>
/// <returns>LogInReponse returns the outcome. The UserKey sent back is used for all communicaiton in further methods.</returns>
///
public LogInResponse DJSignIn(string username, string password)
{
int DJID = -1;
using (DatabaseConnectivity db = new DatabaseConnectivity())
{
// Try to establish a database connection
Response r = db.OpenConnection();
if (r.error)
return new LogInResponse(r);
// Get the salt from the database and salt/hash the password.
string salt;
r = db.DJGetSalt(username, out salt);
if (r.error)
return new LogInResponse(r);
string saltHashPassword = Common.CreatePasswordHash(password, salt);
// See if the username/password combination is valid.
// If it is valid, the DJID will be stored in r.message.
// If it is not valid, r.message will be empty.
r = db.DJValidateUsernamePassword(username, saltHashPassword);
if (r.error)
return new LogInResponse(r);
// If the username/password couldn't be found, inform user.
if (r.message.Trim() == string.Empty)
{
r.error = true;
r.message = "Username/Password is incorrect.";
return new LogInResponse(r);
}
// Get the DJID stored in r.message.
if (!int.TryParse(r.message.Trim(), out DJID))
{
r.error = true;
r.message = "Exception in DJSignIn: Unable to parse DJID from DB!";
return new LogInResponse(r);
}
// Make sure the DJ is not logged in. RIGHT NOW: JUST DON'T CHECK ANYTHING USEFUL TO ALLOW FOR LOGINS TO OCCUR WHEN LOGGED IN!
r = DJValidateStatus(DJID, "!4", db);
if (r.error)
return new LogInResponse(r);
// Information seems valid, attempt to sign in.
r = db.DJSetStatus(DJID, 1);
if (r.error)
return new LogInResponse(r);
// Attempt to change the DJID into a userKey
long userKey;
r = DJGenerateKey(DJID, out userKey, db);
if (r.error)
return new LogInResponse(r);
// If there was no error, create a loginResponse with the successful information.
LogInResponse lr = new LogInResponse();
lr.result = r.result;
lr.userKey = userKey;
User u = new User();
u.userName = username;
u.userID = DJID;
return lr;
}
}
/// <summary>
/// Sign in a mobile user into the system. The client's userKey to use is stored in the loginresponse.
/// </summary>
/// <param name="username">client username.</param>
/// <param name="password">client password.</param>
/// <param name="deviceID">The device ID the of the hardware the client is using.</param>
/// <returns>Returns the outcome of the operation.</returns>
public LogInResponse MobileSignIn(string username, string password, string deviceID)
{
int MobileID;
using (DatabaseConnectivity db = new DatabaseConnectivity())
{
// Try to establish a database connection
ExpResponse r = db.OpenConnection();
if (r.error)
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_SERVER, 0));
// Get the salt from the database and salt/hash the password.
string salt;
r = db.MobileGetSalt(username, out salt);
if (r.error)
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_CRED_WRONG, 0));
string saltHashPassword = Common.CreatePasswordHash(password, salt);
// See if the username/password combination is valid.
// If it is valid, the userkey will be stored in r.message.
// If it is not valid, r.message will be empty.
r = db.MobileValidateUsernamePassword(username, saltHashPassword);
if (r.error)
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_SERVER, 0));
// If the username/password couldn't be found, inform user.
if (r.message.Trim() == string.Empty)
{
r.setErMsg(true, Messages.ERR_CRED_WRONG);
return new LogInResponse(r);
}
// Get the client ID stored in r.message.
if (!int.TryParse(r.message.Trim(), out MobileID))
{
r.setErMsgStk(true, "Unable to parse MobileID from DB", "MobileSignIn");
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_SERVER, 0));
}
// Make sure the client is not logged in. RIGHT NOW: JUST DON'T CHECK ANYTHING USEFUL TO ALLOW FOR LOGINS TO OCCUR WHEN LOGGED IN!
bool validStatus;
r = MobileCheckStatus(MobileID, "!4", db, out validStatus);
if (r.error)
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_SERVER, 0));
if(!validStatus)
{
r.setErMsg(true, Messages.ERR_STATUS_ALREADY_IN);
return new LogInResponse(r);
}
r = db.MobileSignIn(MobileID, deviceID);
if (r.error)
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_SERVER, 0));
// Attempt to change the MobileID into a userKey
long userKey;
r = MobileGenerateKey(MobileID, out userKey, db);
if (r.error)
return new LogInResponse(Common.LogErrorRetNewMsg(r, Messages.ERR_SERVER, 0));
// If there was no error, create a loginResponse with the successful information.
LogInResponse lr = new LogInResponse();
lr.result = r.result;
lr.userKey = userKey;
return lr;
}
}
