internal eBayHttpContext()
{
this._loginInfo = null;
this._currentCtx = HttpContext.Current;
if (_currentCtx == null) throw new InvalidOperationException(@"Support Web Application Only");
if (false == _currentCtx.Items.Contains(CTX_MEMBER_ID))
{
string uid = this.MemberId;
_currentCtx.User = new System.Security.Principal.GenericPrincipal(
new System.Security.Principal.GenericIdentity(uid),
new string[] { @"User" });
}
}
private static UserAuthData CreateAuthData(string uid)
{
UserAuthData data = new UserAuthData();
data.UserId = uid;
data.RemoteAddress = eBayHttpContext.GetRemoteAddress();
data.LastAccessed = DateTime.UtcNow;
return data;
}
private static HttpCookie MakeAuthCookie(string baseCookie, UserAuthData data, string cookieName)
{
HttpCookie cLogin = new HttpCookie(baseCookie);
#if ! DEBUG && !PAYMENT_DEBUG
cLogin.Domain = COOKIE_DOMAIN;
#endif
#region -- login data
string oData = data.ToCookieValue();
string vData = new ebay.security.auth.CCrypto().Encode(oData, 1);
cLogin.Values.Add(cookieName, HttpUtility.UrlEncode(vData));
#endregion
#region -- hmac
string vHmac = ebay.security.Hmac.Instance.GetHash(oData);
cLogin.Values.Add(COOKIE_SUB_AUTH_HMAC, HttpUtility.UrlEncode(vHmac));
#endregion
return cLogin;
}
public static void ExtendLoginExpiry(UserAuthData data)
{
HttpContext.Current.Response.Cookies.Set(MakeAuthCookie(COOKIE_NAME_AUTH, data, COOKIE_SUB_LOGIN_INFO));
}
private static UserAuthData GetLoginCookieData(string baseCookie, string cookieName)
{
UserAuthData data = new UserAuthData();
HttpCookie cLogin = HttpContext.Current.Request.Cookies[baseCookie];
if (null != cLogin)
{
string cData = cLogin.Values[cookieName];
string cHmac = cLogin.Values[COOKIE_SUB_AUTH_HMAC];
if (false == string.IsNullOrEmpty(cData) && false == string.IsNullOrEmpty(cHmac))
{
string oData = HttpUtility.UrlDecode(cData);
string oHmac = HttpUtility.UrlDecode(cHmac);
string vData = new ebay.security.auth.CCrypto().Decode(oData, 1);
if (false == string.IsNullOrEmpty(vData))
{
if (true == ebay.security.Hmac.Instance.CompareHash(vData, oHmac))
{
SortedList<string, string> parts = ParseUrlParams(vData);
if (null != parts && 0 < parts.Count)
{
data.UserId = (true == parts.ContainsKey(@"a")) ? parts[@"a"] : string.Empty;
data.RemoteAddress = (true == parts.ContainsKey(@"b")) ? parts[@"b"] : string.Empty;
if (true == parts.ContainsKey(@"c"))
{
long lat = 0;
data.LastAccessed = (true == long.TryParse(parts[@"c"], out lat)) ? new DateTime(lat) : DateTime.MinValue;
}
}
}
}
}
}
return data;
}