Implement authorization against the Users database and issue token based on password validation.

Controllers/LoginController.cs

@@ -6,13 +6,15 @@ namespace MarketDataServer.Controllers
 {
   public class AuthorizationController : ApiController
   {
-    public String GetToken(String user)
+
+    public String GetToken(String user, String password)
     {
       Console.WriteLine(String.Format("[{0:G}][AuthorizationController::Authorize]",DateTime.Now));
       if(null==user)return null;
       user=Authorizations.Xor(user,5);
+      password=Authorizations.Xor(password,5);
       Console.WriteLine(String.Format("[{0:G}][Login requested for user '{1}']",DateTime.Now, user));
-      if(!Authorizations.GetInstance().IsValidUser(user))
+      if(!Authorizations.GetInstance().IsValidUser(user, password))
       {
         Console.WriteLine(String.Format("[{0:G}][User '{1}' is not authorized]", DateTime.Now,user));
         return null;
@@ -20,7 +22,6 @@ namespace MarketDataServer.Controllers
       String accessToken= Authorizations.GetInstance().GetAuthenticationToken();
       Console.WriteLine(String.Format("[{0:G}][Access token granted for user {1} : {2}]",DateTime.Now ,user, accessToken));
       return accessToken;
-
     }
   }
 }

Controllers/PortfolioController.cs

@@ -1,8 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Web.Http;
 using MarketData.MarketDataModel;
 using MarketData.DataAccess;
@@ -32,19 +29,22 @@ namespace MarketDataServer.Controllers
 					positionsWithDescription.Add(new PositionWithDescription(position,companyProfile.CompanyName, companyProfile.Description));
 				}
 				return positionsWithDescription;
-			} 
+			}
+      
       public IEnumerable<String> GetAccounts(String token)
       {
         Console.WriteLine(String.Format("[{0:G}][PortfolioController::GetAccounts]",DateTime.Now));
         if (!Authorizations.GetInstance().IsAuthorized(token)) return null;
         return PortfolioDA.GetAccounts();
       }
+
       public IEnumerable<String> GetAccountsWithOpenTrades(String token)
       {
         Console.WriteLine(String.Format("[{0:G}][PortfolioController::GetAccountsWithOpenTrades]", DateTime.Now));
         if (!Authorizations.GetInstance().IsAuthorized(token)) return null;
         return PortfolioDA.GetAccountsWithOpenTrades();
       }
+
       public StopLimit GetStopLimit(String token,String symbol)
       {
         Console.WriteLine(String.Format("[{0:G}][PortfolioController::GetStopLimit]",DateTime.Now));
@@ -52,6 +52,7 @@ namespace MarketDataServer.Controllers
         StopLimit stopLimit=PortfolioDA.GetStopLimit(symbol);
         return stopLimit;
       }
+
       public PortfolioTradesWithParityPrice GetPortfolioTradesWithParityPrice(String token, String symbol)
       {
         Console.WriteLine(String.Format("[{0:G}][PortfolioController::GetPortfolioTradesWithParityPrice]", DateTime.Now));