protected string GenerateProxyUrl(ProxyRenderContext proxyRenderContext, string url, bool isForm)
{
if (string.IsNullOrEmpty(url))
{
return("");
}
if (Uri.IsWellFormedUriString(url, UriKind.Absolute))
{
var destinationURI = new Uri(url);
var host = proxyRenderContext.ProxyPosition.HostUri;
if (destinationURI.Host.ToLower() == host.Host.ToLower())
{
url = destinationURI.PathAndQuery;
}
}
if (!url.StartsWith("#") && !url.StartsWith("javascript:") && !Uri.IsWellFormedUriString(url, UriKind.Absolute))
{
var encodedModuleUrl = ModuleUrlHelper.Encode(url);
var routeValues = proxyRenderContext.PageRequestContext.ModuleUrlContext.GetRouteValuesWithModuleUrl(proxyRenderContext.ProxyPosition.PagePositionId, encodedModuleUrl, false);
var urlHelper = new UrlHelper(proxyRenderContext.ControllerContext.RequestContext);
var pageUrl = urlHelper.FrontUrl(proxyRenderContext.PageRequestContext.Site, proxyRenderContext.PageRequestContext.RequestChannel).PageUrl(proxyRenderContext.PageRequestContext.Page.FullName, routeValues).ToString();
if (isForm)
{
pageUrl = Kooboo.Web.Url.UrlUtility.AddQueryParam(pageUrl, Kooboo.CMS.Sites.View.ModuleUrlContext.PostModuleParameter, proxyRenderContext.ProxyPosition.PagePositionId);
}
return(pageUrl);
}
else
{
return(url);
}
}
public IHtmlString ProcessRequest(ProxyRenderContext proxyRenderContext)
{
Func <string, bool, string> proxyUrl = (url, isForm) => new Uri(proxyRenderContext.ProxyPosition.HostUri, url).ToString();
if (!proxyRenderContext.ProxyPosition.NoProxy && proxyRenderContext.PageRequestContext != null)
{
proxyUrl = (url, isForm) => GenerateProxyUrl(proxyRenderContext, url, isForm);
}
IHtmlString htmlString = new HtmlString("");
var html = _httpProcessor.ProcessRequest(proxyRenderContext.ControllerContext.HttpContext, proxyRenderContext.RequestUri.ToString(), proxyRenderContext.HttpMethod, proxyUrl);
if (!string.IsNullOrEmpty(html))
{
htmlString = _htmlParser.Parse(proxyRenderContext, html, proxyUrl);
}
return(htmlString);
}
public IHtmlString ProcessRequest(ProxyRenderContext proxyRenderContext)
{
Func<string, bool, string> proxyUrl =
(url, isForm) => new Uri(proxyRenderContext.ProxyPosition.HostUri, url).ToString();
if (!proxyRenderContext.ProxyPosition.NoProxy && proxyRenderContext.PageRequestContext != null)
{
proxyUrl = (url, isForm) => GenerateProxyUrl(proxyRenderContext, url, isForm);
}
IHtmlString htmlString = new HtmlString("");
var html = _httpProcessor.ProcessRequest(proxyRenderContext.ControllerContext.HttpContext,
proxyRenderContext.RequestUri.ToString(), proxyRenderContext.HttpMethod, proxyUrl);
if (!string.IsNullOrEmpty(html))
{
htmlString = _htmlParser.Parse(proxyRenderContext, html, proxyUrl);
}
return htmlString;
}
protected string GenerateProxyUrl(ProxyRenderContext proxyRenderContext, string url, bool isForm)
{
if (string.IsNullOrEmpty(url))
{
return "";
}
if (Uri.IsWellFormedUriString(url, UriKind.Absolute))
{
var destinationURI = new Uri(url);
var host = proxyRenderContext.ProxyPosition.HostUri;
if (destinationURI.Host.ToLower() == host.Host.ToLower())
{
url = destinationURI.PathAndQuery;
}
}
if (!url.StartsWith("#") && !url.StartsWith("javascript:") &&
!Uri.IsWellFormedUriString(url, UriKind.Absolute))
{
var encodedModuleUrl = ModuleUrlHelper.Encode(url);
var routeValues =
proxyRenderContext.PageRequestContext.ModuleUrlContext.GetRouteValuesWithModuleUrl(
proxyRenderContext.ProxyPosition.PagePositionId, encodedModuleUrl, false);
var urlHelper = new UrlHelper(proxyRenderContext.ControllerContext.RequestContext);
var pageUrl =
urlHelper.FrontUrl(proxyRenderContext.PageRequestContext.Site,
proxyRenderContext.PageRequestContext.RequestChannel)
.PageUrl(proxyRenderContext.PageRequestContext.Page.FullName, routeValues)
.ToString();
if (isForm)
{
pageUrl = UrlUtility.AddQueryParam(pageUrl,
View.ModuleUrlContext.PostModuleParameter,
proxyRenderContext.ProxyPosition.PagePositionId);
}
return pageUrl;
}
else
{
return url;
}
}
public virtual IHtmlString Render(ProxyRenderContext proxyRenderContext)
{
var positionId = proxyRenderContext.ProxyPosition.PagePositionId;
Func<IHtmlString> getHtml = () =>
{
var html = _webProxy.ProcessRequest(proxyRenderContext);
return html;
};
var cacheSetting = proxyRenderContext.ProxyPosition.OutputCache;
if (cacheSetting != null && cacheSetting.EnableCaching != null && cacheSetting.EnableCaching == true && proxyRenderContext.HttpMethod.ToUpper() == "GET")
{
string cacheKey = string.Format("{0}||{1}||{2}", positionId, proxyRenderContext.RequestUri.ToString(), proxyRenderContext.ProxyPosition.NoProxy);
return proxyRenderContext.PageRequestContext.Site.ObjectCache().GetCache(cacheKey, getHtml, cacheSetting.ToCachePolicy());
}
else
{
return getHtml();
}
}
public IHtmlString Parse(ProxyRenderContext proxyRenderContext, string rawHtml
, Func<string, bool, string> proxyUrlFunc)
{
var stylesheets = new List<string>();
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(rawHtml);
HtmlNode headNode = null;
HtmlNode bodyNode = null;
foreach (var node in htmlDoc.DocumentNode.Descendants().ToArray())
{
//if (IsStylesheet(node) && proxyRenderContext.ProxyPosition.ProxyStylesheet == true)
//{
// stylesheets.Add(node.Attributes["href"].Value);
// node.Remove();
// continue;
//}
var nodeName = node.Name.ToLower();
var elementName = node.Attributes["name"] == null ? "" : node.Attributes["name"].Value.ToLower();
if (elementName == "__viewstate") { continue; }
if (elementName == "__eventvalidation") { continue; }
if (nodeName == "head")
{
headNode = node;
}
if (nodeName == "body")
{
bodyNode = node;
}
foreach (var attr in node.Attributes)
{
if (IsW3CUrlAttribute(attr.Name.ToLower()) || attr.Value.StartsWith("/"))
{
var isStaticResource = IsStaticResource(node, attr);
if (isStaticResource)
{
attr.Value = GenerateAbsoluteUrl(proxyRenderContext.ProxyPosition.HostUri.ToString(), attr.Value);
}
else
{
var isForm = node.Name.ToLower() == "form";
attr.Value = proxyUrlFunc(attr.Value, isForm);
}
}
}
}
string newHtml = "";
if (bodyNode == null)
{
newHtml = htmlDoc.DocumentNode.InnerHtml;
}
else
{
if (headNode != null)
{
newHtml = headNode.InnerHtml;
}
newHtml = newHtml + bodyNode.InnerHtml;
}
string injectScript = "";
if (proxyRenderContext.PageRequestContext != null)
{
injectScript = InjectScriptForAjax(proxyRenderContext.PageRequestContext.Site, proxyRenderContext.PageRequestContext.Page);
newHtml = newHtml + injectScript;
}
return new HtmlString(newHtml);
}
public IHtmlString Parse(ProxyRenderContext proxyRenderContext, string rawHtml
, Func <string, bool, string> proxyUrlFunc)
{
var stylesheets = new List <string>();
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(rawHtml);
HtmlNode headNode = null;
HtmlNode bodyNode = null;
foreach (var node in htmlDoc.DocumentNode.Descendants().ToArray())
{
//if (IsStylesheet(node) && proxyRenderContext.ProxyPosition.ProxyStylesheet == true)
//{
// stylesheets.Add(node.Attributes["href"].Value);
// node.Remove();
// continue;
//}
var nodeName = node.Name.ToLower();
var elementName = node.Attributes["name"] == null ? "" : node.Attributes["name"].Value.ToLower();
if (elementName == "__viewstate")
{
continue;
}
if (elementName == "__eventvalidation")
{
continue;
}
if (nodeName == "head")
{
headNode = node;
}
if (nodeName == "body")
{
bodyNode = node;
}
foreach (var attr in node.Attributes)
{
if (IsW3CUrlAttribute(attr.Name.ToLower()) || attr.Value.StartsWith("/"))
{
var isStaticResource = IsStaticResource(node, attr);
if (isStaticResource)
{
attr.Value = GenerateAbsoluteUrl(proxyRenderContext.ProxyPosition.HostUri.ToString(), attr.Value);
}
else
{
var isForm = node.Name.ToLower() == "form";
attr.Value = proxyUrlFunc(attr.Value, isForm);
}
}
}
}
string newHtml = "";
if (bodyNode == null)
{
newHtml = htmlDoc.DocumentNode.InnerHtml;
}
else
{
if (headNode != null)
{
newHtml = headNode.InnerHtml;
}
newHtml = newHtml + bodyNode.InnerHtml;
}
string injectScript = "";
if (proxyRenderContext.PageRequestContext != null)
{
injectScript = InjectScriptForAjax(proxyRenderContext.PageRequestContext.Site, proxyRenderContext.PageRequestContext.Page);
newHtml = newHtml + injectScript;
}
//if (proxyRenderContext.ProxyPosition.ProxyStylesheet == true && stylesheets.Count > 0)
//{
// newHtml = ProxyStyleSheet(proxyRenderContext, stylesheets, newHtml);
//}
return(new HtmlString(newHtml));
}
