| public RedirectPermanent ( string url ) : void | ||
| url | string | |
| return | void | |
/// <summary>
/// 写入到http回应
/// </summary>
/// <param name="response"></param>
public void WriteResponse(HttpResponse response) {
if (Permanent) {
response.RedirectPermanent(Url);
} else {
response.Redirect(Url);
}
}
private static void Redirect(HttpResponse response, string url, bool permanent)
{
if (permanent) {
response.RedirectPermanent(url, true);
}
else {
response.Redirect(url, false);
}
}
private void ExportDivContentToPDF()
{
System.Web.HttpResponse Response = System.Web.HttpContext.Current.Response;
try
{
// create an API client instance
string userName = ConfigurationManager.AppSettings["pdfcrowdUsername"].ToString();
string APIKey = ConfigurationManager.AppSettings["pdfcrowdAPIKey"].ToString();
pdfcrowd.Client client = new pdfcrowd.Client(userName, APIKey);
// convert a web page and write the generated PDF to a memory stream
MemoryStream Stream = new MemoryStream();
//client.convertURI("http://www.google.com", Stream);
// set HTTP response headers
Response.Clear();
Response.AddHeader("Content-Type", "application/pdf");
Response.AddHeader("Cache-Control", "max-age=0");
Response.AddHeader("Accept-Ranges", "none");
Response.AddHeader("Content-Disposition", "attachment; filename=TigerReservePdfExport.pdf");
System.IO.StringWriter stringWrite1 = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite1 = new HtmlTextWriter(stringWrite1);
MainContent.RenderControl(htmlWrite1);
client.convertHtml(stringWrite1.ToString(), Stream);
// send the generated PDF
Stream.WriteTo(Response.OutputStream);
Stream.Close();
Response.Flush();
Response.End();
}
catch (pdfcrowd.Error why)
{
LogHandler.LogFatal((why.InnerException != null ? why.InnerException.Message : why.Message), why, this.GetType());
Response.RedirectPermanent("~/ErrorPage.aspx", false);
Response.Write(why.ToString());
}
}
public override void RedirectPermanent(String url)
{
_httpResponse.RedirectPermanent(url);
}
public override void RedirectPermanent(string url)
{
w.RedirectPermanent(url);
}
private static bool CheckForTabExternalForwardOrRedirect(HttpContext context,
ref UrlAction result,
HttpResponse response,
FriendlyUrlSettings settings,
Guid parentTraceId)
{
bool finished = false;
HttpRequest request = null;
if (context != null)
{
request = context.Request;
}
try
{
//check for external forwarding or a permanent redirect request
//592 : check for permanent redirect (823 : moved location from 'checkForRedirects')
if (result.TabId > -1 && result.PortalId > -1 &&
(settings.ForwardExternalUrlsType != DNNPageForwardType.NoForward ||
result.Reason == RedirectReason.Tab_Permanent_Redirect))
{
bool allowRedirect = !(result.RewritePath != null && result.RewritePath.ToLower().Contains("&ctl=tab"));
//594 : do not redirect settings pages for external urls
if (allowRedirect)
{
TabInfo tab;
allowRedirect = CheckFor301RedirectExclusion(result.TabId, result.PortalId, false, out tab, settings);
if (allowRedirect)
{
//772 : not redirecting file type Urls when requested.
bool permanentRedirect = false;
string redirectUrl = null;
string cleanPath = null;
bool doRedirect = false;
switch (tab.TabType)
{
case TabType.File:
//have to fudge in a portal settings object for this to work - shortcoming of LinkClick URl generation
var portalSettings = new PortalSettings(result.TabId, result.PortalAlias);
if (context != null)
{
context.Items.Add("PortalSettings", portalSettings);
result.Reason = RedirectReason.File_Url;
string fileUrl = Globals.LinkClick(tab.Url, tab.TabID, -1);
context.Items.Remove("PortalSettings");
//take back out again, because it will be done further downstream
//do a check to make sure we're not repeating the Url again, because the tabid is set but we don't want to touch
//a linkclick url
if (!result.OriginalPathNoAlias.EndsWith(HttpUtility.UrlDecode(fileUrl), true, CultureInfo.InvariantCulture))
{
redirectUrl = fileUrl;
}
}
if (redirectUrl != null)
{
doRedirect = true;
}
break;
case TabType.Url:
result.Reason = RedirectReason.Tab_External_Url;
redirectUrl = tab.Url;
if (redirectUrl != null)
{
doRedirect = true;
if (settings.ForwardExternalUrlsType == DNNPageForwardType.Redirect301)
{
result.Action = ActionType.Redirect301;
result.Reason = RedirectReason.Tab_External_Url;
}
else if (settings.ForwardExternalUrlsType == DNNPageForwardType.Redirect302)
{
result.Action = ActionType.Redirect302;
result.Reason = RedirectReason.Tab_External_Url;
}
}
break;
case TabType.Tab:
// if a tabType.tab is specified, it's either an external url or a permanent redirect
//get the redirect path of the specific tab, as long as we have a valid request to work from
if (request != null)
{
//get the rewrite or requested path in a clean format, suitable for input to the friendly url provider
cleanPath = RewriteController.GetRewriteOrRequestedPath(result, request.Url);
//727 prevent redirectLoop with do301 in querystring
if (result.Action == ActionType.Redirect301 ||
result.Action == ActionType.Redirect302)
{
cleanPath = RedirectTokens.RemoveAnyRedirectTokens(cleanPath,
request.QueryString);
}
//get the redirect Url from the friendly url provider using the tab, path and settings
redirectUrl = RedirectController.GetTabRedirectUrl(tab, settings, cleanPath, result,
out permanentRedirect,
parentTraceId);
}
//check to make sure there isn't a blank redirect Url
if (redirectUrl == null)
{
//problem : no redirect Url to redirect to
//solution : cancel the redirect
string message = "Permanent Redirect chosen for Tab " +
tab.TabPath.Replace("//", "/") +
" but forwarding Url was not valid";
RedirectController.CancelRedirect(ref result, context, settings, message);
}
else
{
//if there was a redirect Url, set the redirect action and set the type of redirect going to use
doRedirect = true;
if (permanentRedirect)
{
result.Action = ActionType.Redirect301;
result.Reason = RedirectReason.Tab_Permanent_Redirect;
//should be already set, anyway
result.RewritePath = cleanPath;
}
else
{
//not a permanent redirect, check if the page forwarding is set
if (settings.ForwardExternalUrlsType == DNNPageForwardType.Redirect301)
{
result.Action = ActionType.Redirect301;
result.Reason = RedirectReason.Tab_External_Url;
}
else if (settings.ForwardExternalUrlsType == DNNPageForwardType.Redirect302)
{
result.Action = ActionType.Redirect302;
result.Reason = RedirectReason.Tab_External_Url;
}
}
}
break;
default:
//only concern here is if permanent redirect is requested, but there is no external url specified
if (result.Reason == RedirectReason.Tab_Permanent_Redirect)
{
bool permRedirect = tab.PermanentRedirect;
if (permRedirect)
{
//problem : permanent redirect marked, but no forwarding url supplied
//solution : cancel redirect
string message = "Permanent Redirect chosen for Tab " +
tab.TabPath.Replace("//", "/") +
" but no forwarding Url Supplied";
RedirectController.CancelRedirect(ref result, context, settings, message);
}
}
break;
}
//do the redirect we have specified
if (doRedirect &&
(result.Action == ActionType.Redirect301 || result.Action == ActionType.Redirect302))
{
result.FinalUrl = redirectUrl;
if (result.Action == ActionType.Redirect301)
{
if (response != null)
{
//perform a 301 redirect to the external url of the tab
response.AppendHeader("X-Redirect-Reason",
result.Reason.ToString().Replace("_", " ") + " Requested");
response.RedirectPermanent(result.FinalUrl);
}
}
else
{
if (result.Action == ActionType.Redirect302)
{
if (response != null)
{
//perform a 301 redirect to the external url of the tab
response.AppendHeader("X-Redirect-Reason",
result.Reason.ToString().Replace("_", " ") + " Requested");
response.Redirect(result.FinalUrl);
}
}
}
finished = true;
}
}
}
}
}
catch (ThreadAbortException)
{
//do nothing, a threadAbortException will have occured from using a server.transfer or response.redirect within the code block. This is the highest
//level try/catch block, so we handle it here.
}
return finished;
}
private void ProcessRequestInner(HttpContext context, HttpRequest request, HttpResponse response)
{
if (request.Path == "/null") {
return;
}
// If session
if (request.Path.Substr(0, 2) == "/(" && request.Path.Substr(24, 1) == ")") {
// Find sessionId
Xid sessionId;
try {
sessionId = new Xid(request.Path.Substr(2, 22));
} catch (FormatException) {
SendJsonFailure("Amos3.Session", "Session ID paramater malformed");
return;
}
// Find session
Session session;
if (!Session.TryGet(sessionId, out session)) {
SendJsonFailure("Amos3.Session.Expired", "Session has expired");
return;
}
// Determine if Trigger or RPC
if (request.Path.CountCharacter('/') == 1) {
// RPC
RpcHandler(session, request.InputStream, request, response);
} else {
// Trigger
TriggerHandler(session, request.Url.Segments[2], request, response);
}
return;
}
// Find client IP
var ip = context.Request.ServerVariables["REMOTE_ADDR"];
if (HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null) ip = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
// Handle crawlers
if (null != context.Request.QueryString["_escaped_fragment_"] && context.Request.QueryString["_escaped_fragment_"].Length > 1) {
// Mark IP as a crawler for the next 30 seconds
crawlers[ip] = DateTime.Now;
context.Response.Status = "301 Moved Permanently";
context.Response.AddHeader("Location", (RequireSecureHttp ? "https://" : "http://") + context.Request.ServerVariables["SERVER_NAME"] + context.Request.QueryString["_escaped_fragment_"]);
return;
}
if (crawlers.ContainsKey(ip) ||
context.Request.UserAgent.IndexOf("facebookexternalhit") != -1 ||
context.Request.UserAgent.IndexOf("Feedfetcher-Google") != -1 ||
context.Request.UserAgent.IndexOf("bingbot") != -1 ||
context.Request.UserAgent.IndexOf("Googlebot") != -1 ||
context.Request.UserAgent.IndexOf("Slurp") != -1 ||
context.Request.UserAgent.IndexOf("search.msn.com") != -1 ||
context.Request.UserAgent.IndexOf("nutch") != -1 ||
context.Request.UserAgent.IndexOf("simpy") != -1 ||
context.Request.UserAgent.IndexOf("bot") != -1 ||
context.Request.UserAgent.IndexOf("ASPSeek") != -1 ||
context.Request.UserAgent.IndexOf("crawler") != -1 ||
context.Request.UserAgent.IndexOf("msnbot") != -1 ||
context.Request.UserAgent.IndexOf("ASPSeek") != -1 ||
context.Request.UserAgent.IndexOf("Libwww-perl") != -1 ||
context.Request.UserAgent.IndexOf("FAST") != -1 ||
context.Request.UserAgent.IndexOf("Baidu") != -1 ||
context.Request.UserAgent.IndexOf("YandexBot") != -1
) {
// Add static content
StaticRender(context.Request.Url.AbsolutePath.Substring(1), context);
// Remove old Crawlers
var limit = DateTime.Now.AddSeconds(-30);
var remove = new List<string>();
foreach (var crawler in crawlers) {
if (crawler.Value < limit) remove.Add(crawler.Key);
}
foreach (var crawlerip in remove) {
crawlers.Remove(crawlerip);
}
return;
}
// If downloading document
if (request.Path.ToLower().StartsWith("/downloaddocument")) {
DocumentDownload.GetDocument(request);
return;
}
// If frame
if (request.Path == "/delegateframe") {
// Create a new session
var session = Session.Create(request, this, new EnvelopeHandlerMulti());
// Send frame
DelegateFrame.SendFrame(response, session);
return;
}
// If robots
if (request.Path.ToUpperInvariant() == "/ROBOTS.TXT") {
Robots(context);
return;
}
// Check we have WAR
if (null == HttpRootFile) {
response.Write("No WAR.");
return;
}
// If needed, upgrade the connection to HTTPS
if (RequireSecureHttp && !request.IsSecureConnection && string.Compare(request.Url.Host, "localhost", true) != 0) {
var url = request.Url.ToString();
url = "https" + url.Substr(url.IndexOf(":"));
response.Redirect(url);
return;
}
// Find target details
var path = request.Path == "/" ? "/index.html" : request.Path;
// Stop hacks
if (path.IndexOf("..") > -1 || path.IndexOf("//") > -1 || path.IndexOf("\\\\") > -1) {
response.SendFailure(HttpStatusCode.NotFound, "Denied.");
}
// Get content
byte[] page;
lock (WebCache) {
// Read cache
page = WebCache[path] as byte[];
// If cache miss..
if (null == page) {
// Open WAR file
if (null == HttpRoot) {
try {
HttpRoot = ZipFile.Read(HttpRootFile.FullName);
} catch (Exception ex) {
// Log the exception
LogException(ex, "Variant-HttpRoot", Ids.System);
// Warn users that we're updating
response.Write("We're currently updating our content. Hang tight - the site will be back shortly!");
return;
}
if (null == HttpRoot["/index.html"]) {
throw new Exception("Missing '/index.html' in WAR");
}
}
// Open file
ZipEntry file;
if (null == (file = HttpRoot[path])) {
// File not found - redirect to virtual space
response.CacheControl = "public";
response.Expires = 31536000;
response.ExpiresAbsolute = DateTime.Now.AddYears(1);
response.Cache.SetCacheability(HttpCacheability.Public);
response.RedirectPermanent("/#!" + path, true);
return;
}
// Extract
using (var stream = new MemoryStream()) {
file.Extract(stream);
page = stream.ReadAllToByteArray();
}
// Add to cache
WebCache[path] = page;
}
}
// Set cache headers
if (path.Contains(".nocache.")) {
response.CacheControl = "private";
response.Expires = 0;
response.ExpiresAbsolute = DateTime.Now;
response.Cache.SetCacheability(HttpCacheability.NoCache);
} else if (path.Contains(".cache.")) {
response.CacheControl = "public";
response.Expires = 365 * 24 * 60 * 60;
response.ExpiresAbsolute = DateTime.Now.AddDays(365);
response.Cache.SetCacheability(HttpCacheability.Public);
} else {
response.CacheControl = "private";
response.Expires = 1 * 24 * 60 * 60;
response.ExpiresAbsolute = DateTime.Now.AddDays(1);
response.Cache.SetCacheability(HttpCacheability.Private);
}
// Set content type
switch (Path.GetExtension(path).ToUpperInvariant()) {
case ".JS":
response.ContentType = "text/javascript";
break;
case ".JSON":
response.ContentType = "application/json";
break;
case ".CSS":
response.ContentType = "text/css";
break;
case ".JPG":
case ".JPEG":
response.ContentType = "image/jpeg";
break;
case ".PNG":
response.ContentType = "image/png";
break;
case ".GIF":
response.ContentType = "image/gif";
break;
}
// Set compression
response.Compress(request);
// Write
response.OutputStream.Write(page, 0, page.Length);
}
