private string BuildLoginUrl(string returnUrl)
{
//return "/login/?returnUrl=" + HttpUtility.UrlEncode(returnUrl);
string routeName = ConfigurationManager.AppSettings["LoginRouteName"];
if (string.IsNullOrWhiteSpace(routeName))
{
routeName = "Login";
}
return(RouteHelper.BuildUrl(routeName, new { returnUrl = HttpUtility.UrlEncode(returnUrl) }));
}
private string BuildNoAuthorizedUrl(string returnUrl)
{
//return "/login/?returnUrl=" + HttpUtility.UrlEncode(returnUrl);
string routeName = ConfigurationManager.AppSettings["NoAuthorizedRouteName"];
if (string.IsNullOrWhiteSpace(routeName))
{
routeName = "NoAuthorized";
}
return(RouteHelper.BuildUrl(routeName));
}
protected override bool CheckAuthentication()
{
var routeItem = RouteHelper.GetCurrentConfigRouteItem();
bool need = routeItem == null ? false : routeItem.NeedLogin;
if (need == false)
{
return(true);
}
return(base.CheckAuthentication());
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
string userAgent = filterContext.HttpContext.Request.UserAgent;
if (string.IsNullOrWhiteSpace(userAgent) || // http头里的user agent为空的
filterContext.HttpContext.Request.BySearchEngine() || // 来自搜索引擎的爬虫的请求
filterContext.HttpContext.Request.ByApp() || // 来自App客户端的请求
filterContext.HttpContext.Request.IsAjaxRequest() || // 来自于Ajax的请求
string.Equals(filterContext.HttpContext.Request.HttpMethod, "GET", StringComparison.InvariantCultureIgnoreCase) == false // 来自非Get方式的请求（如Post）
)
{
// 不做任何基于设备类型的页面跳转
return;
}
DeviceType?dType = RouteHelper.CurrentSupportedDeviceTypeInConfig;
if (dType == null) // 没有特别设置当前页面所支持的设备
{
return;
}
DeviceType curType = DeviceNameDetector.GetDeviceType(userAgent);
if (curType == dType.Value) // 当前访问设备就是特别设置的支持的设备
{
return;
}
string url = RouteHelper.RedirectUrlForUnsupportedDevices;
if (string.IsNullOrWhiteSpace(url)) // 没有设定Redirect到的地址
{
return;
}
if (url.IndexOf('{') >= 0 && url.IndexOf('}') > 0)
{
var rdata = RouteHelper.GetCurrentRouteData();
var collection = rdata.Values;
if (collection != null && collection.Count > 0)
{
// 可能配置的跳转目标是一个url模板，那么需要使用当前请求的模板参数的值来应用到跳转到的模板url里
foreach (var entry in collection)
{
url = url.Replace("{" + entry.Key + "}", entry.Value == null ? string.Empty : entry.Value.ToString());
}
}
}
if (filterContext.HttpContext.Request.QueryString.Count > 0) // 当前请求带有QueryString参数，那么需要将querystring参数排序后拼接到跳转目标的url上去
{
url = url + filterContext.HttpContext.Request.GetSortedQueryString(true);
}
filterContext.Result = new RedirectResult(url, false);
}
public override void Write(byte[] buffer, int offset, int count)
{
if (m_Response.StatusCode != 200) // 比如301或302跳转的
{
m_Filter.Write(buffer, offset, count);
return;
}
string clientToken = m_Request.Headers["If-None-Match"];
if (m_ETag != clientToken)
{
var item = RouteHelper.GetCurrentConfigRouteItem();
if (item.ServerCacheExpiredMinutes > 0 && m_HasCacheItem == false) // 需要服务器端缓存，但还没有缓存
{
var citem = m_HttpContext.Items["RouteCacheFilterAttribute.citem"] as CacheItem;
if (citem == null) // 这样做目的是为了确保Write方法可能被多次调用时不会出错
{
citem = new CacheItem {
Html = new List <byte>(count)
};
for (int i = offset; i < count; i++)
{
citem.Html.Add(buffer[i]);
}
string key = GenerateServerCacheKey(m_HttpContext);
m_HttpContext.Items["RouteCacheFilterAttribute.citem"] = citem;
Cache.SetLocalCache(key, citem, true, item.ServerCacheExpiredMinutes); // 此时将缓存数据放入全局Cache中，可以被其他访问请求看到和读取了
}
else
{
for (int i = offset; i < count; i++)
{
citem.Html.Add(buffer[i]);
}
}
}
m_Response.AddHeader("ETag", m_ETag);
m_Filter.Write(buffer, offset, count);
}
else
{
m_Response.SuppressContent = true;
m_Response.StatusCode = 304;
m_Response.StatusDescription = "Not Modified";
//m_Response.AddHeader("Content-Length", "0");
}
}
public override void OnResultExecuting(ResultExecutingContext filterContext)
{
var item = RouteHelper.GetCurrentConfigRouteItem();
CacheItem citem = null;
if (item.ServerCacheExpiredMinutes > 0) // 需要服务端缓存
{
citem = filterContext.HttpContext.Items["RouteCacheFilterAttribute.citem"] as CacheItem;
}
if (item == null || item.ClientCache == ClientCacheMode.Default)
{
filterContext.HttpContext.Response.Filter = new ServerCacheFilter(filterContext.HttpContext, item.ServerCacheExpiredMinutes, citem != null);
return;
}
if (item.ClientCache == ClientCacheMode.None)
{
// 让每一次的etag都不一样，防止iis级别上的Etag缓存设置
filterContext.HttpContext.Response.AddHeader("ETag", Guid.NewGuid().ToString());
// abandon cache
filterContext.HttpContext.Response.Expires = -1;
filterContext.HttpContext.Response.ExpiresAbsolute = DateTime.Now.AddSeconds(-1);
filterContext.HttpContext.Response.CacheControl = "no-cache";
filterContext.HttpContext.Response.Cache.SetExpires(DateTime.Now.AddSeconds(-1));
filterContext.HttpContext.Response.Cache.SetCacheability(HttpCacheability.NoCache);
filterContext.HttpContext.Response.Cache.SetNoStore();
filterContext.HttpContext.Response.Filter = new ServerCacheFilter(filterContext.HttpContext, item.ServerCacheExpiredMinutes, citem != null);
}
else if (item.ClientCache == ClientCacheMode.Permanent304)
{
string etag = item.ETag;
if (string.IsNullOrWhiteSpace(etag))
{
etag = s_ETag;
}
filterContext.HttpContext.Response.Filter = new PermanentNotModifiedFilter(filterContext.HttpContext,
etag, item.ServerCacheExpiredMinutes, citem != null);
}
else if (item.ClientCache == ClientCacheMode.Unchanged304)
{
filterContext.HttpContext.Response.Filter = new ContentNotModifiedFilter(filterContext.HttpContext, item.ServerCacheExpiredMinutes, citem != null);
}
else
{
filterContext.HttpContext.Response.Filter = new ServerCacheFilter(filterContext.HttpContext, item.ServerCacheExpiredMinutes, citem != null);
}
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
var item = RouteHelper.GetCurrentConfigRouteItem();
if (item.ServerCacheExpiredMinutes > 0)
{
string key = GenerateServerCacheKey(filterContext.HttpContext);
CacheItem citem = Cache.GetLocalCache(key) as CacheItem;
if (citem != null)
{
string c = "1";
using (var stream = new MemoryStream(citem.Html.ToArray()))
{
using (var sr = new StreamReader(stream))
{
c = sr.ReadToEnd();
}
}
filterContext.HttpContext.Items["RouteCacheFilterAttribute.citem"] = citem;
filterContext.HttpContext.Items["RouteCacheFilterAttribute.FindItem"] = "1";
filterContext.Result = new ContentResult()
{
Content = c
}; // 避免再执行Action和View的Render
return;
}
}
if (item.ClientCache == ClientCacheMode.Permanent304)
{
string etag = item.ETag;
if (string.IsNullOrWhiteSpace(etag))
{
etag = s_ETag;
}
string clientToken = filterContext.HttpContext.Request.Headers["If-None-Match"];
if (etag == clientToken)
{
filterContext.Result = new ContentResult()
{
Content = "1"
}; // 避免再执行Action和View的Render
return;
}
}
base.OnActionExecuting(filterContext);
}
private string BuildLoginUrl(string returnUrl, HttpRequestBase request)
{
//return "/login/?returnUrl=" + HttpUtility.UrlEncode(returnUrl);
string routeName = ConfigurationManager.AppSettings["LoginRouteName"];
if (string.IsNullOrWhiteSpace(routeName))
{
routeName = "Login";
}
if (string.IsNullOrWhiteSpace(returnUrl))
{
return(RouteHelper.BuildUrl(routeName));
}
string x = request.ByWeiXinBrowser() ? HttpUtility.UrlEncode(returnUrl) : returnUrl; // 因为微信会自动解码一次，所以需要编码两次
var url = RouteHelper.BuildUrl(routeName, new { returnUrl = x });
return(url);
}
protected string GetConfiguredSchema()
{
var config = RouteHelper.GetCurrentConfigRouteItem();
string domain = config == null ? string.Empty : config.Domain;
object tmp;
if (string.IsNullOrWhiteSpace(domain) &&
RouteHelper.TryGetDataTokenOfCurrentRoute("_ibb_domain", out tmp) && tmp != null)
{
domain = tmp.ToString();
}
if (string.IsNullOrWhiteSpace(domain))
{
return("http");
}
if (domain.StartsWith("https://", StringComparison.InvariantCultureIgnoreCase))
{
return("https");
}
return("http");
}
protected override bool CheckNeedTrace(HttpContextBase httpContext)
{
var item = RouteHelper.GetCurrentConfigRouteItem();
return(base.CheckNeedTrace(httpContext) && (item == null || item.Trace));
}
