public Func <HttpContext, Func <Task>, Task> Get()
{
return(async(context, next) =>
{
// Remove account id header
context.Request.Headers.Remove("AccountId");
// Get authentication header
context.Request.Headers.TryGetValue("VFIDAuth", out StringValues authenticationValues);
// Extract vfid value
ulong vfid = 0;
if (authenticationValues.Count == 1)
{
bool valid = ulong.TryParse(authenticationValues.ToArray()[0], out vfid);
if (!valid)
{
vfid = 0;
}
}
Console.Write($"[{vfid}] ");
// Check against logged in users
LoggedUsers.Session session = LoggedUsers.GetSession(vfid);
if (session == null)
{
Console.Write($"Session not found.");
context.Request.Headers.Add("AccountId", "-1");
session = LoggedUsers.GetSessionSlow(vfid);
if (session != null && vfid != 0)
{
Console.Write(" Found on repeat search.");
}
}
else
{
// Get account id
Account acc = Program.Database.QSelectAccounts(item => item.Id == session.accid).FirstOrDefault();
if (acc != null)
{
Console.Write($"Session linked to account '{acc.Username}'");
context.Request.Headers.Add("AccountId", acc.Id.ToString());
}
else
{
Console.Write($"Session linked to non-existent account");
context.Request.Headers.Add("AccountId", "-1");
}
}
Console.WriteLine();
await next.Invoke();
});
}
public Func <HttpContext, Func <Task>, Task> Get()
{
return(async(context, next) =>
{
// Get account from request
StringValues accountIdValue;
context.Request.Headers.TryGetValue("AccountId", out accountIdValue);
Account acc = new Account();
if (accountIdValue.Count == 1)
{
int accountId = -1;
bool valid = int.TryParse(accountIdValue.ToArray()[0], out accountId);
if (!valid)
{
accountId = -1;
}
acc = Program.Database.QSelectAccounts(item => item.Id == accountId).FirstOrDefault();
if (acc == null)
{
acc = new Account();
}
}
// Login
if (context.Request.Path.StartsWithSegments(PathString.FromUriComponent("/login")))
{
if (context.Request.Method == "GET")
{
ulong vfid = 0;
string[] parameters = context.Request.Path.Value.Split('/').TakeLast(2).ToArray();
if (parameters.Length == 2)
{
string email = parameters[0];
string passwordHash = parameters[1];
Account loginAcc = Program.Database.QSelectAccounts(item => item.Email == email).FirstOrDefault();
if (loginAcc != null)
{
if (loginAcc.PasswordHash == passwordHash)
{
vfid = LoggedUsers.GenerateUser(loginAcc.Id);
}
}
}
context.Response.StatusCode = 200;
await context.Response.Body.WriteAsync(BitConverter.GetBytes(vfid), 0, 8);
return;
}
else
{
context.Response.StatusCode = 404;
return;
}
}
// Logout
else if (context.Request.Path.StartsWithSegments(PathString.FromUriComponent("/logout")))
{
if (context.Request.Method == "GET")
{
// Get authentication header
StringValues authenticationValues;
context.Request.Headers.TryGetValue("VFIDAuth", out authenticationValues);
// Extract vfid value
ulong vfid = 0;
if (authenticationValues.Count == 1)
{
bool valid = ulong.TryParse(authenticationValues.ToArray()[0], out vfid);
if (!valid)
{
vfid = 0;
}
}
// Logout
if (vfid != 0)
{
LoggedUsers.EndSession(vfid);
}
context.Response.StatusCode = 200;
return;
}
else
{
context.Response.StatusCode = 404;
return;
}
}
await next.Invoke();
});
}
