Leahnaya/GamestatsBase
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Fixed some things after testing.

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This commit is contained in:
Greg Edwards
2014-09-13 00:47:37 -04:00
parent 370dd2f76b
commit 028481c25e
1 changed files with 19 additions and 13 deletions
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32
GamestatsBase/GamestatsHandler.cs
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@@ -60,6 +60,12 @@ namespace GamestatsBase
public GamestatsRequestVersions RequestVersion { get; private set; }
public GamestatsResponseVersions ResponseVersion { get; private set; }
public GamestatsSessionManager SessionManager
{
get;
protected set;
}
public void ProcessRequest(HttpContext context)
{
if (context.Request.HttpMethod != "POST" &&
@@ -86,13 +92,14 @@ namespace GamestatsBase
if (qmPos >= 0)
rawPath = rawPath.Substring(0, qmPos);
SessionManager = GamestatsSessionManager.FromContext(context);
if (form["data"] == null &&
form["hash"] == null)
{
// this is a new session request
GamestatsSession session = CreateSession(pid, rawPath);
GamestatsSessionManager manager = GamestatsSessionManager.FromContext(context);
manager.Add(session);
SessionManager.Add(session);
context.Response.Write(session.Token);
return;
@@ -123,10 +130,9 @@ namespace GamestatsBase
GamestatsSession session = null;
GamestatsSessionManager manager = GamestatsSessionManager.FromContext(context);
if (manager.Sessions.ContainsKey(form["hash"]))
if (SessionManager.Sessions.ContainsKey(form["hash"]))
{
session = manager.Sessions[form["hash"]];
session = SessionManager.Sessions[form["hash"]];
if (session.GameId != GameId)
{
// matched wrong game. Highly unlikely
@@ -224,12 +230,13 @@ namespace GamestatsBase
}
}
private void ShowError(HttpContext context, int responseCode)
// todo: keep the context on a field instead of passing it here
public void ShowError(HttpContext context, int responseCode)
{
ShowError(context, responseCode, GamestatsException.defaultMessage(responseCode));
}
private void ShowError(HttpContext context, int responseCode, String message)
public void ShowError(HttpContext context, int responseCode, String message)
{
context.Response.StatusCode = responseCode;
context.Response.Write(GamestatsException.defaultMessage(responseCode));
@@ -264,15 +271,14 @@ namespace GamestatsBase
private byte[] DecryptData(String data)
{
byte[] data2 = FromUrlSafeBase64String(data);
if (data2.Length < 4) throw new FormatException("Data must contain at least 4 bytes.");
if (RequestVersion == GamestatsRequestVersions.Version1) return data2;
if (data2.Length < 4) throw new FormatException("Data must contain at least 4 bytes.");
byte[] data3 = new byte[data2.Length - 4];
int checksum = BitConverter.ToInt32(data2, 0);
checksum = IPAddress.NetworkToHostOrder(checksum); // endian flip
checksum ^= (int)HashMask;
uint rand = (uint)(checksum | (checksum << 16));
int rand = checksum | (checksum << 16);
for (int pos = 0; pos < data3.Length; pos++)
{
@@ -289,12 +295,12 @@ namespace GamestatsBase
return data3;
}
private static uint DecryptRNG(uint prev, uint mul, uint add, uint mask)
private static int DecryptRNG(int prev, uint mul, uint add, uint mask)
{
return (prev * mul + add) & ~mask;
return (prev * (int)mul + (int)add) & ~(int)mask;
}
private uint DecryptRNG(uint prev)
private int DecryptRNG(int prev)
{
return DecryptRNG(prev, RngMul, RngAdd, RngMask);
}