public ContextUtility(HttpRequest request)
{
ContextDetails = new SpContext { ServerUrl = request.Url.Authority, HostWebUrl = HttpContext.Current.Request["SPHostUrl"], AppWebUrl = HttpContext.Current.Request["SPAppWebUrl"], ContextTokenString = TokenHelper.GetContextTokenFromRequest(request) };
if (ContextToken == null)
{
try
{
ContextToken = TokenHelper.ReadAndValidateContextToken(ContextDetails.ContextTokenString, ContextDetails.ServerUrl);
}
catch (Exception)
{
ContextToken = null;
}
}
JavaScriptSerializer serializer = new JavaScriptSerializer();
HttpCookie cookie = new HttpCookie("SPContext", serializer.Serialize(ContextDetails));
cookie.Expires = DateTime.Now.AddHours(12);
HttpContext.Current.Response.Cookies.Add(cookie);
}
public ContextUtility(SpContext context)
{
ContextDetails = context;
try
{
ContextToken = TokenHelper.ReadAndValidateContextToken(ContextDetails.ContextTokenString, ContextDetails.ServerUrl);
}
catch (Exception)
{
ContextToken = null;
}
}