/// <summary>
/// 获取绑定域名的频道分类目录名
/// </summary>
/// <param name="webPath">网站安装目录</param>
/// <param name="requestPath">当前页面，包含目录</param>
/// <param name="requestDomain">当前的域名(含端口号)</param>
/// <returns>String</returns>
private string GetDomainPath(string webPath, string requestPath, string requestDomain)
{
//获取绑定域名的目录
if (SiteDomains.GetSiteDomains().CategoryDirs.ContainsValue(requestDomain))
{
return(SiteDomains.GetSiteDomains().Domains[requestDomain]);
}
return(string.Empty);
}
/// <summary>
/// 获取虚拟目录的频道分类目录名
/// </summary>
/// <param name="webPath">网站安装目录</param>
/// <param name="requestPath">当前页面，包含目录</param>
/// <param name="requestDomain">当前的域名(含端口号)</param>
/// <returns>String</returns>
private string GetCategoryPath(string webPath, string requestPath, string requestDomain)
{
//获取URL的虚拟目录(除安装目录)
string requestFirstPath = GetFirstPath(webPath, requestPath);
if (requestFirstPath != string.Empty && SiteDomains.GetSiteDomains().CategoryDirs.ContainsKey(requestFirstPath))
{
return(requestFirstPath);
}
return(string.Empty);
}
/// <summary>
/// 返回域名字典
/// </summary>
public static SiteDomains GetSiteDomains()
{
SiteDomains _cache = CacheHelper.Get <SiteDomains>(MXKeys.CACHE_SITE_HTTP_DOMAIN);
lock (lockHelper)
{
if (_cache == null)
{
CacheHelper.Insert(MXKeys.CACHE_SITE_HTTP_DOMAIN, new SiteDomains(), 10);
instance = CacheHelper.Get <SiteDomains>(MXKeys.CACHE_SITE_HTTP_DOMAIN);
}
}
return(instance);
}
/// <summary>
/// 获取访问的频道分类目录(不含安装目录)
/// </summary>
private string GetFirstPath()
{
string requestPath = HttpContext.Current.Request.CurrentExecutionFilePath.ToLower(); //获得当前页面虚拟路径
int indexNum = config.webpath.Length; //安装目录长度
//如果包含安装目录和aspx目录也要过滤掉
if (requestPath.StartsWith(config.webpath + MXKeys.DIRECTORY_REWRITE_ASPX + "/"))
{
indexNum = (config.webpath + MXKeys.DIRECTORY_REWRITE_ASPX + "/").Length;
}
string requestFirstPath = requestPath.Substring(indexNum);
if (requestFirstPath.IndexOf("/") > 0)
{
requestFirstPath = requestFirstPath.Substring(0, requestFirstPath.IndexOf("/"));
}
if (requestFirstPath != string.Empty && SiteDomains.GetSiteDomains().CategoryDirs.ContainsKey(requestFirstPath))
{
return(requestFirstPath);
}
return(string.Empty);
}
/// <summary>
/// 返回URL重写统一链接地址
/// </summary>
public string linkurl(string _key, params object[] _params)
{
Hashtable ht = new BLL.url_rewrite().GetList(); //获得URL配置列表
Model.url_rewrite model = ht[_key] as Model.url_rewrite; //查找指定的URL配置节点
//如果不存在该节点则返回空字符串
if (model == null)
{
return(string.Empty);
}
string requestDomain = HttpContext.Current.Request.Url.Authority.ToLower(); //获得来源域名含端口号
string requestFirstPath = GetFirstPath(); //获得二级目录(不含站点安装目录)
string linkStartString = string.Empty; //链接前缀
//检查是否与绑定的域名或者与默认频道分类的目录匹配
if (SiteDomains.GetSiteDomains().CategoryDirs.ContainsValue(requestDomain))
{
linkStartString = "/";
}
else if (requestFirstPath == string.Empty || requestFirstPath == SiteDomains.GetSiteDomains().DefaultPath)
{
linkStartString = config.webpath;
}
else
{
linkStartString = config.webpath + requestFirstPath + "/";
}
//如果URL字典表达式不需要重写则直接返回
if (model.url_rewrite_items.Count == 0)
{
//检查网站重写状态
if (config.staticstatus > 0)
{
if (_params.Length > 0)
{
return(linkStartString + GetUrlExtension(model.page, config.staticextension) + string.Format("{0}", _params));
}
else
{
return(linkStartString + GetUrlExtension(model.page, config.staticextension));
}
}
else
{
if (_params.Length > 0)
{
return(linkStartString + model.page + string.Format("{0}", _params));
}
else
{
return(linkStartString + model.page);
}
}
}
//否则检查该URL配置节点下的子节点
foreach (Model.url_rewrite_item item in model.url_rewrite_items)
{
//如果参数个数匹配
if (IsUrlMatch(item, _params))
{
//检查网站重写状态
if (config.staticstatus > 0)
{
return(linkStartString + string.Format(GetUrlExtension(item.path, config.staticextension), _params));
}
else
{
string queryString = Regex.Replace(string.Format(item.path, _params), item.pattern, item.querystring, RegexOptions.None | RegexOptions.IgnoreCase);
if (queryString.Length > 0)
{
queryString = "?" + queryString;
}
return(linkStartString + model.page + queryString);
}
}
}
return(string.Empty);
}
/// <summary>
/// 返回域名字典
/// </summary>
public static SiteDomains GetSiteDomains()
{
SiteDomains _cache = CacheHelper.Get<SiteDomains>(MXKeys.CACHE_SITE_HTTP_DOMAIN);
lock (lockHelper)
{
if (_cache == null)
{
CacheHelper.Insert(MXKeys.CACHE_SITE_HTTP_DOMAIN, new SiteDomains(), 10);
instance = CacheHelper.Get<SiteDomains>(MXKeys.CACHE_SITE_HTTP_DOMAIN);
}
}
return instance;
}
/// <summary>
/// 页面请求事件处理
/// </summary>
/// <param name="sender">事件的源</param>
/// <param name="e">包含事件数据的 EventArgs</param>
private void ReUrl_BeginRequest(object sender, EventArgs e)
{
HttpContext context = ((HttpApplication)sender).Context;
string requestDomain = context.Request.Url.Authority.ToLower(); //获得当前域名(含端口号)
string requestPath = context.Request.Path.ToLower(); //获得当前页面(含目录)
Model.siteconfig siteConfig = new BLL.siteconfig().loadConfig(); //获得站点配置信息
//如果虚拟目录(不含安装目录)与站点根目录名相同则不需要重写
if (IsDirExist(MXKeys.CACHE_SITE_DIRECTORY, siteConfig.webpath, siteConfig.webpath, requestPath))
{
return;
}
//检查网站重写状态0表示不开启重写、1开启重写、2生成静态
if (siteConfig.staticstatus == 0)
{
#region 站点不开启重写处理方法=======================================
////遍历URL字典，匹配URL页面部分
//foreach (Model.url_rewrite model in SiteUrls.GetSiteUrls().Urls)
//{
// //查找到与页面部分匹配的节点
// if (model.page == requestPath.Substring(requestPath.LastIndexOf("/") + 1))
// {
// //如果该页面属于插件页则映射到插件目录，否则映射到频道分类目录
// if (model.type == MXKeys.DIRECTORY_REWRITE_PLUGIN)
// {
// context.RewritePath(string.Format("{0}{1}/{2}{3}",
// siteConfig.webpath, MXKeys.DIRECTORY_REWRITE_ASPX, MXKeys.DIRECTORY_REWRITE_PLUGIN, requestPath));
// return;
// }
// else
// {
// ////默认的频道目录
// string defaultPath = SiteDomains.GetSiteDomains().DefaultPath;
// //获取绑定域名的频道分类目录
// string domainPath = GetDomainPath(siteConfig.webpath, requestPath, requestDomain);
// //获取虚拟目录的频道分类目录
// string categoryPath = GetCategoryPath(siteConfig.webpath, requestPath, requestDomain);
// if (domainPath != string.Empty)
// {
// defaultPath = domainPath;
// }
// else if (categoryPath != string.Empty)
// {
// defaultPath = categoryPath;
// }
// context.RewritePath(string.Format("{0}{1}/{2}{3}",
// siteConfig.webpath, MXKeys.DIRECTORY_REWRITE_ASPX, defaultPath, requestPath));
// return;
// }
// }
//}
#endregion
}
else
{
#region 站点开启重写或静态处理方法===================================
////默认的频道目录
string defaultPath = SiteDomains.GetSiteDomains().DefaultPath;
//获取绑定域名的频道分类目录
string domainPath = GetDomainPath(siteConfig.webpath, requestPath, requestDomain);
//获取虚拟目录的频道分类目录
string categoryPath = GetCategoryPath(siteConfig.webpath, requestPath, requestDomain);
//遍历URL字典
foreach (Model.url_rewrite model in SiteUrls.GetSiteUrls().Urls)
{
//如果没有重写表达式则不需要重写
if (model.url_rewrite_items.Count == 0 &&
Utils.GetUrlExtension(model.page, siteConfig.staticextension) == requestPath.Substring(requestPath.LastIndexOf("/") + 1))
{
//如果该页面属于插件页则映射到插件目录，否则映射到频道分类目录
if (model.type == MXKeys.DIRECTORY_REWRITE_PLUGIN)
{
context.RewritePath(string.Format("{0}{1}/{2}/{3}",
siteConfig.webpath, MXKeys.DIRECTORY_REWRITE_ASPX, MXKeys.DIRECTORY_REWRITE_PLUGIN, model.page));
return;
}
else
{
if (domainPath == string.Empty)
{
domainPath = SiteDomains.GetSiteDomains().DefaultPath; //默认的频道目录
}
context.RewritePath(string.Format("{0}{1}/{2}/{3}", siteConfig.webpath, MXKeys.DIRECTORY_REWRITE_ASPX, domainPath, model.page));
return;
}
}
//遍历URL字典的子节点
foreach (Model.url_rewrite_item item in model.url_rewrite_items)
{
if (domainPath != string.Empty)
{
defaultPath = domainPath; //如果是绑定的域名访问则将对应的目录赋值
}
else if (categoryPath != string.Empty)
{
defaultPath = categoryPath; //如果是虚拟目录访问则将对应的目录赋值
}
string patternPath = siteConfig.webpath;
if (domainPath == string.Empty && categoryPath != string.Empty)
{
patternPath += categoryPath + "/";
}
string newPattern = Utils.GetUrlExtension(item.pattern, siteConfig.staticextension); //替换扩展名
//如果与URL节点匹配则重写
if (Regex.IsMatch(requestPath, string.Format("^{0}{1}$", patternPath, newPattern), RegexOptions.None | RegexOptions.IgnoreCase) ||
(model.page == "index.aspx" && Regex.IsMatch(requestPath, string.Format("^{0}{1}$", patternPath, item.pattern), RegexOptions.None | RegexOptions.IgnoreCase)))
{
//如果开启生成静态、不是手机网站且是频道页或首页,则映射重写到HTML目录
if (siteConfig.staticstatus == 2 && defaultPath != MXKeys.DIRECTORY_REWRITE_MOBILE &&
(model.channel.Length > 0 || model.page.ToLower() == "index.aspx")) //频道页
{
if (domainPath == string.Empty && categoryPath != string.Empty)
{
context.RewritePath(siteConfig.webpath + MXKeys.DIRECTORY_REWRITE_HTML + Utils.GetUrlExtension(requestPath, siteConfig.staticextension, true));
}
else
{
context.RewritePath(siteConfig.webpath + MXKeys.DIRECTORY_REWRITE_HTML + "/" + defaultPath + Utils.GetUrlExtension(requestPath, siteConfig.staticextension, true));
}
return;
}
else if (model.type == MXKeys.DIRECTORY_REWRITE_PLUGIN) //插件页
{
string queryString = Regex.Replace(requestPath, string.Format("{0}{1}", patternPath, newPattern),
item.querystring, RegexOptions.None | RegexOptions.IgnoreCase);
context.RewritePath(string.Format("{0}{1}/{2}/{3}", siteConfig.webpath, MXKeys.DIRECTORY_REWRITE_ASPX, MXKeys.DIRECTORY_REWRITE_PLUGIN, model.page),
string.Empty, queryString);
return;
}
else //其它
{
string queryString = Regex.Replace(requestPath, string.Format("{0}{1}", patternPath, newPattern),
item.querystring, RegexOptions.None | RegexOptions.IgnoreCase);
context.RewritePath(string.Format("{0}{1}/{2}/{3}",
siteConfig.webpath, MXKeys.DIRECTORY_REWRITE_ASPX, defaultPath, model.page), string.Empty, queryString);
return;
}
}
}
}
#endregion
}
}
