Implement IProfile Get and GetBase (#266)

* implement IProfile Get(Base)

* use default user

* changed userid

Ryujinx.HLE/OsHle/Utilities/StringUtils.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+
+namespace Ryujinx.HLE.OsHle.Utilities
+{
+    static class StringUtils
+    {
+        public static byte[] GetFixedLengthBytes(string InputString, int Size, Encoding Encoding)
+        {
+            InputString = InputString + "\0";
+
+            int ByteCount = Encoding.GetByteCount(InputString);
+
+            byte[] Output = new byte[Size];
+
+            if (ByteCount < Size)
+            {
+                Encoding.GetBytes(InputString, 0, InputString.Length, Output, Size - ByteCount);
+            }
+            else
+            {
+                int NullSize = Encoding.GetByteCount("\0");
+
+                Output = Encoding.GetBytes(InputString);
+
+                Array.Resize(ref Output, Size - NullSize);
+
+                Output = Output.Concat(Encoding.GetBytes("\0")).ToArray();
+            }
+
+            return Output;
+        }
+
+        public static byte[] HexToBytes(string HexString)
+        {
+            //Ignore last charactor if HexLength % 2 != 0
+            int BytesInHex = HexString.Length / 2;
+
+            byte[] Output = new byte[BytesInHex];
+
+            for (int Index = 0; Index < BytesInHex; Index++)
+            {
+                Output[Index] = byte.Parse(HexString.Substring(Index * 2, 2),
+                    NumberStyles.HexNumber);
+            }
+
+            return Output;
+        }
+    }
+}