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Added RequireSession flag which, if false, removes session validation.

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This commit is contained in:
Greg Edwards 2015-02-26 02:24:11 -05:00
parent b3e71f7496
commit 7ac3e6f1da
3 changed files with 13 additions and 10 deletions
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19
GamestatsBase/GamestatsHandler.cs
View File

@ -19,7 +19,8 @@ namespace GamestatsBase
public class GamestatsHandler : IHttpHandler, IRequiresSessionState
{
public GamestatsHandler(String initString, GamestatsRequestVersions reqVersion,
GamestatsResponseVersions respVersion, bool encryptedRequest = true)
GamestatsResponseVersions respVersion, bool encryptedRequest = true,
bool requireSession = true)
{
if (initString.Length < 44) throw new FormatException();
@ -30,21 +31,21 @@ namespace GamestatsBase
uint hashMask = UInt32.Parse(initString.Substring(44, 8), NumberStyles.AllowHexSpecifier);
String gameId = initString.Substring(52);
Initialize(salt, rngMul, rngAdd, rngMask, hashMask, gameId, reqVersion, respVersion, encryptedRequest);
Initialize(salt, rngMul, rngAdd, rngMask, hashMask, gameId, reqVersion, respVersion, encryptedRequest, requireSession);
}
public GamestatsHandler(String salt, uint rngMul, uint rngAdd, uint rngMask,
uint hashMask,
String gameId, GamestatsRequestVersions reqVersion, GamestatsResponseVersions respVersion,
bool encryptedRequest = true)
bool encryptedRequest = true, bool requireSession = true)
{
Initialize(salt, rngMul, rngAdd, rngMask, hashMask, gameId, reqVersion, respVersion, encryptedRequest);
Initialize(salt, rngMul, rngAdd, rngMask, hashMask, gameId, reqVersion, respVersion, encryptedRequest, requireSession);
}
private void Initialize(String salt, uint rngMul, uint rngAdd, uint rngMask,
uint hashMask,
String gameId, GamestatsRequestVersions reqVersion, GamestatsResponseVersions respVersion,
bool encryptedRequest)
bool encryptedRequest, bool requireSession)
{
if (salt.Length != 20) throw new FormatException();
Salt = salt;
@ -56,6 +57,7 @@ namespace GamestatsBase
RequestVersion = reqVersion;
ResponseVersion = respVersion;
EncryptedRequest = encryptedRequest;
RequireSession = requireSession;
}
public String Salt { get; protected set; }
@ -67,6 +69,7 @@ namespace GamestatsBase
public GamestatsRequestVersions RequestVersion { get; protected set; }
public GamestatsResponseVersions ResponseVersion { get; protected set; }
public bool EncryptedRequest { get; protected set; }
public bool RequireSession { get; protected set; }
public GamestatsSessionManager SessionManager
{
@ -115,7 +118,7 @@ namespace GamestatsBase
else if (form.Count >= 3)
{
// this is a main request
if (form["hash"] == null ||
if ((form["hash"] == null && RequireSession) ||
form["data"] == null ||
form["data"].Length <
((RequestVersion != GamestatsRequestVersions.Version3) ? 12 : 16))
@ -138,7 +141,7 @@ namespace GamestatsBase
GamestatsSession session = null;
if (SessionManager.Sessions.ContainsKey(form["hash"]))
if (form["hash"] != null && SessionManager.Sessions.ContainsKey(form["hash"]))
{
session = SessionManager.Sessions[form["hash"]];
if (session.GameId != GameId)
@ -148,7 +151,7 @@ namespace GamestatsBase
return;
}
}
else if (context.Request.HttpMethod == "GET")
else if (RequireSession)
{
// session hash not matched
ShowError(context, 400);

2
Sample/dummy.ashx.cs
View File

@ -13,7 +13,7 @@ namespace Sample
{
public dummy()
: base("00000000000000000000", 0, 0, 0, 0, "dummy",
GamestatsRequestVersions.Version1, GamestatsResponseVersions.Version1, false)
GamestatsRequestVersions.Version1, GamestatsResponseVersions.Version1, false, false)
{
}

2
Sample/tetrisds/store.ashx.cs
View File

@ -16,7 +16,7 @@ namespace Sample.tetrisds
public class store : GamestatsHandler
{
public store() : base("Wo3vqrDoL56sAdveYeC1", 0, 0, 0, 0, "tetrisds",
GamestatsRequestVersions.Version1, GamestatsResponseVersions.Version1, false)
GamestatsRequestVersions.Version1, GamestatsResponseVersions.Version1, false, true)
{
}