public override void ExecuteResult(ControllerContext context) { HttpResponseBase response = context.HttpContext.Response; try { response.ClearHeaders(); response.ClearContent(); } catch { } response.TrySkipIisCustomErrors = true; if (this.HttpStatus != default(HttpStatusCode)) { response.StatusCode = (int)this.HttpStatus; } if (String.IsNullOrEmpty(this.ContentType)) { response.ContentType = "text/plain"; } else { response.ContentType = this.ContentType; } this.WriteMessage(response); }
public override void ExecuteResult(ControllerContext context) { if (context == null) { throw new ArgumentNullException("context"); } HttpResponseBase response = context.HttpContext.Response; response.ClearHeaders(); response.AppendHeader("Cache-Control", "private, no-cache, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0"); response.AppendHeader("Pragma", "no-cache"); response.AppendHeader("Expires", "-1"); HttpCachePolicyBase cache = response.Cache; cache.SetCacheability(HttpCacheability.NoCache); if (string.IsNullOrEmpty(this.Filename)) { this.Filename = "output.xls"; } response.ContentType = "application/vnd.ms-excel"; response.AddHeader("Content-Disposition", "attachment;filename=" + this.Filename); if (this.ContentEncoding == null) { this.ContentEncoding = System.Text.Encoding.GetEncoding("Shift_JIS"); //this.ContentEncoding = System.Text.Encoding.UTF8; } response.ContentEncoding = this.ContentEncoding; response.BinaryWrite(Data.GetBuffer()); }
static void SetEmptyErrorResponse(HttpResponseBase httpResponseBase) { httpResponseBase.Clear(); httpResponseBase.ClearHeaders(); httpResponseBase.StatusCode = (int)HttpStatusCode.InternalServerError; httpResponseBase.SuppressContent = true; }
public override void ExecuteResult(ControllerContext context) { if (context == null) { throw new ArgumentNullException("context"); } // get rendered HTML from view string html = ViewRenderer.RenderViewToString(context, ViewName, Model); var cssFiles = CssHelper.GetAllCssPaths(html); //html = ClearHtmlStrategy.Clear(html); // generate the PDF content from HTML var pageConfig = PageConfig != null ? PageConfig : PageSize.A4; byte[] content = HtmlToPdfRenderer.Render(html, cssFiles, pageConfig); var contentDisposition = IsAttachment ? "attachement" : "inline"; HttpResponseBase response = context.HttpContext.Response; response.Clear(); response.ClearContent(); response.ClearHeaders(); response.ContentType = "application/pdf"; response.AppendHeader("Content-Disposition", $"{contentDisposition};filename={Filename}.pdf"); response.AddHeader("Content-Length", content.Length.ToString()); response.BinaryWrite(content); response.OutputStream.Flush(); response.OutputStream.Close(); response.End(); }
public override void OnResultExecuting(ResultExecutingContext ctx) { HttpRequestBase request = ctx.RequestContext.HttpContext.Request; HttpResponseBase response = ctx.RequestContext.HttpContext.Response; if (ctx.Result == null || !(ctx.Result is FileContentResult)) { base.OnResultExecuting(ctx); return; } var result = ctx.Result as FileContentResult; var eTag = Convert.ToBase64String(new System.Security.Cryptography.MD5CryptoServiceProvider().ComputeHash(result.FileContents)); response.ClearHeaders(); response.Cache.SetSlidingExpiration(true); response.Cache.SetCacheability(HttpCacheability.Public); response.Cache.SetETag(eTag); response.Cache.SetMaxAge(TimeSpan.FromSeconds(_maxAgeInSeconds)); if (request.Headers["If-None-Match"] != null && request.Headers["If-None-Match"] == eTag) { response.StatusCode = 304; response.StatusDescription = "Not Modified"; ctx.Cancel = true; } else { base.OnResultExecuting(ctx); } }
private static void SetResponseState(HttpResponseBase response) { response.ClearHeaders(); response.Clear(); response.Expires = 0; response.Buffer = true; }
private static void SetupHttpHeadersForDownloadImpl(HttpResponseBase response, DownloadFileDescriptor descriptor, Encoding downloadContentEncoding) { // Leaving this ClearHeaders since it is IMMEDIDATELY followed by a line replacing the SetExpires below. -- SLG 10/2/2012 response.ClearHeaders(); SetupHttpContentDispositionForDownload(response, descriptor, downloadContentEncoding); SetupHttpCachingHeaders(response); }
private static void ClearContentAndHeaders(HttpResponseBase httpResponseBase) { httpResponseBase.Clear(); // Despite what the documentation indicates, calling Clear on its own doesn't fully clear the headers. httpResponseBase.ClearHeaders(); }
/// <summary> /// Exports the chart to the specified HttpResponse object. This method /// is preferred over WriteToStream() because it handles clearing the /// output stream and setting the HTTP reponse headers. /// </summary> /// <param name="httpResponse"></param> public void WriteToHttpResponse(HttpResponseBase httpResponse) { httpResponse.ClearContent(); httpResponse.ClearHeaders(); httpResponse.ContentType = this.ContentType; httpResponse.AddHeader("Content-Disposition", this.ContentDisposition); WriteToStream(httpResponse.OutputStream); }
//pre: must but in page you don't want the browser back to him again && make if statment with Session check //Post: This is used to clear Cache And Heade (To Handl back button in browser) //ToCall: just call the object and action and write (Response) inside functions ==> myLibrary.PreventBackButtonBrowser(Response); public void PreventBackButtonBrowser(HttpResponseBase response) { response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1)); response.Cache.SetCacheability(HttpCacheability.NoCache); response.Cache.SetNoStore(); response.ClearHeaders(); response.AddHeader("Cache-Control", "no-cache, no-store, max-age=0, must-revalidate"); response.AddHeader("Pragma", "no-cache"); }
public override void ExecuteResult(ControllerContext context) { HttpResponseBase response = context.HttpContext.Response; try { response.ClearHeaders(); response.ClearContent(); } catch { } response.TrySkipIisCustomErrors = true; if (this.Resource == null) { response.ContentType = "text/plain"; response.StatusCode = (int)HttpStatusCode.NotFound; response.Write(response.Status); return; } HttpContext httpContext = HttpContext.Current; // check if client has cached copy ETag etag = new HashETag(this.Resource.Hash); if (etag.HandleETag(httpContext, HttpCacheability.ServerAndPrivate, this.IsDebug)) { return; } if (String.IsNullOrEmpty(this.Resource.ContentType)) { response.ContentType = "text/plain"; } else { response.ContentType = this.Resource.ContentType; } // this helps IE determine the Content-Type // http://tools.ietf.org/html/rfc2183#section-2.3 ContentDisposition disposition = new ContentDisposition { Inline = !this.IsAttachment, FileName = String.IsNullOrEmpty(this.Filename) ? Path.GetFileNameWithoutExtension(this.ResourcePath) + '.' + this.Resource.FileExtension : this.Filename }; response.AddHeader("Content-Disposition", disposition.ToString()); ResourceHandler.WriteResponse(httpContext, this.Resource, this.IsDebug); }
public override void ExecuteResult(ControllerContext context) { if (context == null) { throw new ArgumentNullException("context"); } HttpResponseBase response = context.HttpContext.Response; response.ClearHeaders(); response.AppendHeader("Cache-Control", "private, no-cache, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0"); response.AppendHeader("Pragma", "no-cache"); response.AppendHeader("Expires", "-1"); HttpCachePolicyBase cache = response.Cache; cache.SetCacheability(HttpCacheability.NoCache); if (string.IsNullOrEmpty(this.Filename)) { this.Filename = "data.csv"; } response.ContentType = "application/octet-stream"; response.AddHeader("Content-Disposition", "attachment;filename=" + this.Filename); if (this.ContentEncoding == null) { this.ContentEncoding = System.Text.Encoding.GetEncoding("Shift_JIS"); //this.ContentEncoding = System.Text.Encoding.UTF8; } response.ContentEncoding = this.ContentEncoding; if (this.Data != null) { //見出し行を出力。 OutputHeader(response); //各行のデータを出力。 foreach (object item in this.Data) { OutputLine(response, item); } } else { //見出し行を出力。 OutputHeaderFromDataTable(response); //各行のデータを出力。 foreach (DataRow dr in this.dataTable.Rows) { OutputLineFromDataTable(response, dr); } } }
private void MakeExcel(System.Data.DataTable data) { string FileName = "report" + DateTime.Today.ToShortDateString(); FileInfo f = new FileInfo(Server.MapPath("Downloads") + string.Format("\\{0}.xlsx", FileName)); if (f.Exists) { f.Delete(); } // delete the file if it already exist. HttpResponseBase response = HttpContext.Response; response.Clear(); response.ClearHeaders(); response.ClearContent(); response.Charset = Encoding.UTF8.WebName; response.AddHeader("content-disposition", "attachment; filename=" + FileName + ".xls"); response.AddHeader("Content-Type", "application/Excel"); response.ContentType = "application/vnd.xlsx"; //response.AddHeader("Content-Length", file.Length.ToString()); //sets the table border, cell spacing, border color, font of the text, background, foreground, font height response.Write("<Table border='1' bgColor='#ffffff' " + "borderColor='#000000' cellSpacing='0' cellPadding='0' " + "style='font-size:10.0pt; font-family:Calibri; background:white;'> <TR>"); // create a string writer using (StringWriter sw = new StringWriter()) { using (HtmlTextWriter htw = new HtmlTextWriter(sw)) { // instantiate a datagrid DataGrid dg = new DataGrid(); dg.DataSource = data; dg.DataBind(); dg.RenderControl(htw); response.Write(sw.ToString()); dg.Dispose(); data.Dispose(); response.SetCookie(new HttpCookie("fileDownload", "true") { Path = "/" }); //response.Redirect("ReportPage"); response.End(); } } }
private static void WriteCsvFile(HttpResponseBase Response, StringBuilder sb, string sExportedFileName) { Response.Clear(); Response.ClearContent(); Response.ClearHeaders(); Response.Buffer = true; Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; Response.AddHeader("content-disposition", "attachment;filename=" + sExportedFileName + ".csv"); // Response.ContentType = "application/text"; Response.ContentEncoding = Encoding.GetEncoding("windows-1256"); Response.Output.Write(sb.ToString()); Response.Flush(); Response.End(); }
public static Tuple <Stream, string, string> GetExportPdf <T>(List <T> result, HttpServerUtilityBase server, HttpResponseBase response) { ReportDocument rd = new ReportDocument(); string name = typeof(T).Name; rd.Load(Path.Combine(server.MapPath("~/Reports"), name + "Report.rpt")); rd.SetDataSource(result); response.Buffer = false; response.ClearContent(); response.ClearHeaders(); Stream stream = rd.ExportToStream(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat); stream.Seek(0, SeekOrigin.Begin); return(new Tuple <Stream, string, string>(stream, "application/pdf", name + "Report.pdf")); }
public virtual void Export() { _response.Clear(); _response.ClearHeaders(); _response.AppendHeader("Content-Length", (this as IExport).Length.ToString()); _response.ContentType = (this as IExport).ContentType; _response.AppendHeader("Content-Disposition", $"attachment;filename=\"{GetName}.{(this as IExport).Extension}\""); _response.ContentType = (this as IExport).ContentType; _response.Write(_result); _response.End(); _response.Close(); }
/// <summary> /// 下载文件 /// </summary> /// <param name="downloadPath"></param> /// <param name="server"></param> /// <param name="response"></param> /// <param name="fileName"></param> public static void DownloadFile(this string downloadPath, HttpServerUtilityBase server, HttpResponseBase response, string fileName) { if (!File.Exists(downloadPath)) { Console.WriteLine("下载的资源不存在!"); return; } FileStream iStream = null; byte[] buffer; try { var downloadFile = new FileInfo(downloadPath); //response.Clear(); response.ClearHeaders(); response.ContentType = "application/octet-stream"; response.AppendHeader("Content-Disposition", "attachment;filename=" + server.UrlEncode(fileName + ".rar")); response.AppendHeader("Content-Length", downloadFile.Length.ToString()); iStream = new FileStream(downloadPath, FileMode.Open, FileAccess.Read, FileShare.Read); var dataToRead = iStream.Length; buffer = new byte[dataToRead]; iStream.Read(buffer, 0, buffer.Count()); iStream.Close(); response.BinaryWrite(buffer); response.Buffer = true; response.Flush(); response.Close(); response.End(); } catch (Exception ex) { Console.WriteLine(ex.Message); } finally { if (iStream != null) { iStream.Close(); } } }
public override void ClearHeaders() { _response.ClearHeaders(); }
/// <summary> /// Adds the proper HTTP headers for a file download. <see> /// <cref>SitkaGlobalBase.AddCachingHeaders</cref> /// </see> /// </summary> public static void SetupHttpHeadersForDownload(HttpResponseBase response) { // Leaving this ClearHeaders since it is IMMEDIDATELY followed by a line replacing the SetExpires below. -- SLG 10/2/2012 response.ClearHeaders(); SetupHttpCachingHeaders(response); }
public override void ClearHeaders() { _httpResponseBase.ClearHeaders(); }
public override void ClearHeaders() { proxiedResponse.ClearHeaders(); }
private static void ClearContentAndHeaders(HttpResponseBase httpResponseBase) { httpResponseBase.Clear(); httpResponseBase.ClearHeaders(); }
/// <summary> /// Converts a <see cref="HttpResponseMessage"/> to an <see cref="HttpResponseBase"/> and disposes the /// <see cref="HttpResponseMessage"/> and <see cref="HttpRequestMessage"/> upon completion. /// </summary> /// <param name="httpContextBase">The HTTP context base.</param> /// <param name="response">The response to convert.</param> /// <param name="request">The request (which will be disposed).</param> /// <returns>A <see cref="Task"/> representing the conversion of an <see cref="HttpResponseMessage"/> to an <see cref="HttpResponseBase"/> /// including writing out any entity body.</returns> internal static Task ConvertResponse(HttpContextBase httpContextBase, HttpResponseMessage response, HttpRequestMessage request) { Contract.Assert(httpContextBase != null); Contract.Assert(response != null); Contract.Assert(request != null); HttpResponseBase httpResponseBase = httpContextBase.Response; httpResponseBase.StatusCode = (int)response.StatusCode; httpResponseBase.StatusDescription = response.ReasonPhrase; httpResponseBase.TrySkipIisCustomErrors = true; EnsureSuppressFormsAuthenticationRedirect(httpContextBase); CopyHeaders(response.Headers, httpContextBase); CacheControlHeaderValue cacheControl = response.Headers.CacheControl; // TODO 335085: Consider this when coming up with our caching story if (cacheControl == null) { // DevDiv2 #332323. ASP.NET by default always emits a cache-control: private header. // However, we don't want requests to be cached by default. // If nobody set an explicit CacheControl then explicitly set to no-cache to override the // default behavior. This will cause the following response headers to be emitted: // Cache-Control: no-cache // Pragma: no-cache // Expires: -1 httpContextBase.Response.Cache.SetCacheability(HttpCacheability.NoCache); } Task responseTask = null; bool isBuffered = false; if (response.Content != null) { CopyHeaders(response.Content.Headers, httpContextBase); // Select output buffering by the kind of content isBuffered = IsOutputBufferingNecessary(response.Content); httpResponseBase.BufferOutput = isBuffered; responseTask = response.Content.CopyToAsync(httpResponseBase.OutputStream); } else { responseTask = TaskHelpers.Completed(); } return(responseTask .Catch((info) => { if (isBuffered) { // Failure during the CopyToAsync needs to stop any partial content from // reaching the client. If it was during a buffered write, we will give // them InternalServerError with zero-length content. httpResponseBase.SuppressContent = true; httpResponseBase.Clear(); httpResponseBase.ClearContent(); httpResponseBase.ClearHeaders(); httpResponseBase.StatusCode = (int)Net.HttpStatusCode.InternalServerError; } else { // Any failure in non-buffered mode has already written out StatusCode and possibly content. // This means the client will receive an OK but the content is incomplete. // The proper action here is to abort the connection, but HttpResponse.Abort is a 4.5 feature. // TODO: DevDiv bug #381233 -- call HttpResponse.Abort when it becomes available httpResponseBase.Close(); } // We do not propagate any errors up, or we will get the // standard ASP.NET html page. We want empty content or // a closed connection. return info.Handled(); }) .Finally( () => { request.DisposeRequestResources(); request.Dispose(); response.Dispose(); })); }
public void Clear() { _response.ClearHeaders(); _headers.Clear(); }