public void GetImage(HttpResponse reponse, int id)
{
using (SqlConnection connection = new SqlConnection("Data Source=DESKTOP-5A9RHHB;Initial Catalog=EcommerceSimplifie; Integrated Security=True"))
{
//try
//{
SqlCommand command = new SqlCommand("select Picture.PictureBinary, Picture.MimeType from Picture inner join Product_Picture_Mapping on Picture.Id = Product_Picture_Mapping.PictureId where ProductId = @id and DisplayOrder = 1;");
command.Connection = connection;
command.Parameters.Add(new SqlParameter("@id", id));
connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
//type de l'image
string typeMime = reader.GetString(1);
reponse.ContentType = (string.IsNullOrEmpty(typeMime)) ? "image/jpeg" : typeMime;
//mise en cache
reponse.Cache.SetCacheability(HttpCacheability.Public);
int indexDepart = 0;
int tailleBuffer = 1024;
long nombreOctets = 0;
Byte[] flux = new Byte[1024];
nombreOctets = reader.GetBytes(0, indexDepart, flux, 0, tailleBuffer);
while (nombreOctets == tailleBuffer)
{
reponse.BinaryWrite(flux);
reponse.Flush();
indexDepart += tailleBuffer;
nombreOctets = reader.GetBytes(0, indexDepart, flux, 0, tailleBuffer);
}
if (nombreOctets > 0)
{
reponse.BinaryWrite(flux);
reponse.Flush();
}
reponse.End();
}
//catch(Exception)
//{
// throw new Exception("Pas d'image disponible.");
//}
//}
}
}
public static void ToExcel(HttpResponse Response,DataTable dt , string fileName)
{
Response.ContentType = "application/csv";
Response.Charset = "";
Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
Response.ContentEncoding = Encoding.Unicode;
Response.BinaryWrite(Encoding.Unicode.GetPreamble());
try
{
StringBuilder sb = new StringBuilder();
//Add Header
for (int count = 0; count < dt.Columns.Count - 1; count++)
{
if (dt.Columns[count].ColumnName != null)
sb.Append(dt.Columns[count].ColumnName);
sb.Append("\t");
}
Response.Write(sb.ToString() + "\n");
Response.Flush();
//Append Data
int index = 0;
while (dt.Rows.Count >= index + 1)
{
sb = new StringBuilder();
for (int col = 0; col < dt.Columns.Count -1; col++)
{
if (dt.Rows[index][col] != null)
//sb.Append(dt.Rows[index][col].ToString().Replace(",", " "));
sb.Append(dt.Rows[index][col].ToString());
sb.Append("\t");
}
Response.Write(sb.ToString() + "\n");
Response.Flush();
index = index + 1;
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
dt.Dispose();
Response.End();
}
public void ExportToCSV(DataTable dataTable, HttpResponse response)
{
response.Clear();
response.Buffer = true;
response.AddHeader("content-disposition",
"attachment;filename=DataTable.csv");
response.Charset = "";
response.ContentType = "application/text";
StringBuilder sb = new StringBuilder();
for (int k = 0; k < dataTable.Columns.Count; k++)
{
//add separator
sb.Append(dataTable.Columns[k].ColumnName + ',');
}
//append new line
sb.Append("\r\n");
for (int i = 0; i < dataTable.Rows.Count; i++)
{
for (int k = 0; k < dataTable.Columns.Count; k++)
{
//add separator
sb.Append(dataTable.Rows[i][k].ToString().Replace(",", ";") + ',');
}
//append new line
sb.Append("\r\n");
}
response.Output.Write(sb.ToString());
response.Flush();
response.End();
}
/// <summary>
/// Datatable数据填充如excel
/// </summary>
/// <param name="filename">excel文件名</param>
/// <param name="dt"> 数据源</param>
/// <param name="Response"> response响应</param>
/// <param name="headerStr"> 表头标题</param>
public static void DataTableToExcel(string filename, DataTable dt, string sheetname, HttpResponse Response, string headerStr)
{
MemoryStream ms = StreamData(dt, sheetname, headerStr) as MemoryStream; //as MemoryStream as用作转换,此处可以省略
try
{
Response.Clear();
Response.ContentType = "application/vnd.ms-excel";
Response.ContentEncoding = Encoding.UTF8;
Response.AddHeader("content-disposition", "attachment;filename=" + HttpUtility.UrlEncode(filename + ".xls"));
Response.AddHeader("content-length", ms.Length.ToString());
Byte[] data = ms.ToArray(); //文件写入采用二进制流的方式。所以此处要转换为字节数组
Response.BinaryWrite(data);
}
catch
{
Response.Clear();
Response.ClearHeaders();
Response.Write("<script language=javascript>alert( '导出Excel错误'); </script>");
}
Response.Flush();
Response.Close();
Response.End();
ms = null;
}
public void ExportToExcel(DataTable dataTable, HttpResponse response)
{
// Create a dummy GridView
GridView GridView1 = new GridView();
GridView1.AllowPaging = false;
GridView1.DataSource = dataTable;
GridView1.DataBind();
response.Clear();
response.Buffer = true;
response.AddHeader("content-disposition", "attachment;filename=DataTable.xls");
response.Charset = "";
response.ContentType = "application/vnd.ms-excel";
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
for (int i = 0; (i
<= (GridView1.Rows.Count - 1)); i++)
{
// Apply text style to each Row
GridView1.Rows[i].Attributes.Add("class", "textmode");
}
GridView1.RenderControl(hw);
// style to format numbers to string
string style = "<style> .textmode{mso-number-format:\\@;}</style>";
response.Write(style);
response.Output.Write(sw.ToString());
response.Flush();
response.End();
}
/// <summary>
/// Renders a partial view to a string in the specified context.
/// </summary>
/// <param name="partialViewContext">The partial view context.</param>
/// <param name="viewModel">The view model.</param>
/// <param name="cookies">Any cookies that were captures as part of the response.</param>
/// <returns>The view rendered as a string.</returns>
public static string ToString(PartialViewContext partialViewContext, object viewModel, out HttpCookieCollection cookies)
{
string viewName = partialViewContext.ViewName;
using (var writer = new StringWriter())
{
var httpRequest = new HttpRequest("", "http://www.example.com", "");
var httpResponse = new HttpResponse(writer);
// There are still dependencies on HttpContext.Currrent in the ASP.NET (MVC) framework, eg., AntiForgeryRequestToken (as of ASP.NET MVC 4).
var httpContext = new HttpContext(httpRequest, httpResponse) { User = partialViewContext.User };
System.Web.HttpContext.Current = httpContext;
var controllerContext = CreateControllerContext(httpContext);
var viewEngineResult = ViewEngines.Engines.FindPartialView(controllerContext, viewName);
if (viewEngineResult == null)
{
string message = "The partial view was not found.";
throw new ArgumentException(message, viewName);
}
var view = viewEngineResult.View;
if (view == null)
{
var locations = new StringBuilder();
foreach (string searchedLocation in viewEngineResult.SearchedLocations)
{
locations.AppendLine();
locations.Append(searchedLocation);
}
throw new ArgumentException("The partial view was not found. The following locations were searched: " + locations, viewName);
}
try
{
var viewData = new ViewDataDictionary(viewModel);
var tempData = new TempDataDictionary();
var viewContext = new ViewContextStub(controllerContext, view, viewData, tempData, writer)
{
ClientValidationEnabled = partialViewContext.ClientValidationEnabled,
UnobtrusiveJavaScriptEnabled = partialViewContext.UnobtrusiveJavaScriptEnabled
};
view.Render(viewContext, httpResponse.Output);
cookies = controllerContext.HttpContext.Response.Cookies;
httpResponse.Flush();
}
finally
{
viewEngineResult.ViewEngine.ReleaseView(controllerContext, view);
}
return writer.ToString();
}
}
static void RedirectPermanent(HttpResponse response, string destination)
{
response.Clear();
response.Status = "301 Moved Permanently";
response.AddHeader("Location", destination);
response.Flush();
response.End();
}
public static void ToExcel(DataSet dsInput, string filename, HttpResponse response)
{
var excelXml = GetExcelXml(dsInput, filename);
response.Clear();
response.AppendHeader("Content-Type", "application/vnd.ms-excel");
response.AppendHeader("Content-Disposition", "attachment; filename=\"" + HttpContext.Current.Server.UrlEncode(filename) + "\"");
response.Write(excelXml);
response.Flush();
response.End();
}
private static void RenderToResponseStream(HttpResponse response, XmlBaseController baseController)
{
// save script timeout
var scriptTimeOut = HttpContext.Current.Server.ScriptTimeout;
// temporarily set script timeout to large value ( this value is only applicable when application is not running in Debug mode )
HttpContext.Current.Server.ScriptTimeout = int.MaxValue;
response.ContentType = baseController.ContentType;
response.AppendHeader("content-disposition", "inline; filename=" + baseController.FileName);
baseController.Render(response.OutputStream);
response.Flush();
// reset script timeout
HttpContext.Current.Server.ScriptTimeout = scriptTimeOut;
}
/// <summary>
/// Downloads the latex from estimate.
/// </summary>
/// <param name="projectId">The project id.</param>
/// <param name="maxPriority">The max priority.</param>
/// <param name="response">The response.</param>
public void DownloadLatexFromEstimate(int? projectId
, int? maxPriority
, HttpResponse response)
{
response.Clear();
response.AddHeader
("Content-Disposition"
, "attachment;filename=estimate.tex");
response.ContentType = "application/x-latex";
response.Write(GetLatexFromEstimate
(projectId, maxPriority));
response.Flush();
response.End();
}
/// <summary>
/// Renders a partial view to a string in the specified context.
/// </summary>
/// <param name="crowbarViewContext">The view context.</param>
/// <param name="viewModel">The view model.</param>
/// <param name="cookies">Any cookies that were captures as part of the response.</param>
/// <returns>The view rendered as a string.</returns>
public static string ToString(CrowbarViewContext crowbarViewContext, object viewModel, out HttpCookieCollection cookies)
{
string viewName = crowbarViewContext.ViewName;
using (var writer = new StringWriter())
{
var httpRequest = new HttpRequest("", "http://www.example.com", "");
var httpResponse = new HttpResponse(writer);
var controllerContext = CreateControllerContext(httpRequest, httpResponse, crowbarViewContext);
var viewEngineResult = crowbarViewContext.FindViewEngineResult(controllerContext);
var view = viewEngineResult.View;
if (view == null)
{
var locations = new StringBuilder();
foreach (string searchedLocation in viewEngineResult.SearchedLocations)
{
locations.AppendLine();
locations.Append(searchedLocation);
}
throw new ArgumentException("The view was not found. The following locations were searched: " + locations, viewName);
}
try
{
var viewData = new ViewDataDictionary(viewModel);
var tempData = new TempDataDictionary();
var viewContext = new ViewContextStub(controllerContext, view, viewData, tempData, writer)
{
ClientValidationEnabled = crowbarViewContext.ClientValidationEnabled,
UnobtrusiveJavaScriptEnabled = crowbarViewContext.UnobtrusiveJavaScriptEnabled
};
view.Render(viewContext, httpResponse.Output);
cookies = controllerContext.HttpContext.Response.Cookies;
httpResponse.Flush();
}
finally
{
viewEngineResult.ViewEngine.ReleaseView(controllerContext, view);
}
return writer.ToString();
}
}
public Stream GenerateOutput(dynamic shape)
{
var controller = new DummyController(_hca.Current().Request.RequestContext);
using (var stream = new MemoryStream())
using (var streamWriter = new StreamWriter(stream))
{
var originalContext = controller.ControllerContext.HttpContext;
try
{
// Get the Request and User objects from the current, unchanged context
var currentRequest = HttpContext.Current.ApplicationInstance.Context.Request;
var currentUser = HttpContext.Current.ApplicationInstance.Context.User;
// Create our new HttpResponse object containing our HtmlTextWriter
var newResponse = new HttpResponse(streamWriter);
// Create a new HttpContext object using our new Response object and the existing Request and User objects
var newContext = new HttpContextWrapper(
new HttpContext(currentRequest, newResponse)
{
User = currentUser
});
// Swap in our new HttpContext object - output from this controller is now going to our HtmlTextWriter object
controller.ControllerContext.HttpContext = newContext;
new ShapePartialResult(controller, shape).ExecuteResult(controller.ControllerContext);
newResponse.Flush();
streamWriter.Flush();
stream.Flush();
// New stream so everything else here can be disposed
var responseStream = new MemoryStream();
stream.Position = 0;
stream.CopyTo(responseStream);
responseStream.Position = 0;
return responseStream;
}
finally
{
// Setting context back to original so nothing gets messed up
controller.ControllerContext.HttpContext = originalContext;
}
}
}
protected override Gizmox.WebGUI.Common.Interfaces.IGatewayHandler ProcessGatewayRequest(System.Web.HttpContext objHttpContext, String strAction)
{
if ((strAction != null) && (strAction == "LoadPDF"))
{
// Variables
Warning[] warnings;
String[] streamIds;
String mimeType = String.Empty, encoding = String.Empty, extension = String.Empty;
// Setup the report viewer object and get the array of bytes
ReportDataSource ds = new ReportDataSource(DATASOURCE_XSD_NAME, _DataSource);
ReportViewer viewer = new ReportViewer();
viewer.LocalReport.SubreportProcessing += new SubreportProcessingEventHandler(RptSubreportProcessingEventHandler);
viewer.ProcessingMode = ProcessingMode.Local;
//Dictionary<string, DataTable> subSource = new Dictionary<string, DataTable>();
//subSource.Add(DATASOURCE_XSD_NAME, BindDataCurrent());
//subSource.Add("DataSource_vwStockInOutHistory2", BindDataCurrent());
//subSource.Add("DataSource_vwStockInOutHistory3", BindDataHistory());
//subSource.Add("DataSource_vwStockInOutHistory4", BindDataHistory());
//viewer.LocalReport.ReportPath = "RT2008.Web.Reports.Rdlc.StockQtyStatusRdl.rdlc";
viewer.LocalReport.EnableExternalImages = true;
viewer.LocalReport.EnableHyperlinks = true;
viewer.LocalReport.ReportEmbeddedResource = REPORT_RDLC_NAME;
viewer.LocalReport.DataSources.Add(ds);
viewer.LocalReport.SetParameters(GetSelParams());
byte[] bytes = viewer.LocalReport.Render("PDF", null, out mimeType, out encoding, out extension, out streamIds, out warnings);
// Now that you have all the bytes representing the PDF report, buffer it and send it to the client.
System.Web.HttpResponse response = objHttpContext.Response;
response.Buffer = true;
response.Clear();
response.ContentType = mimeType;
response.AddHeader("content-disposition", "inline; filename=" + REPORT_FILENAME + "." + extension);
response.BinaryWrite(bytes); // create the file
response.Flush(); // send it to the client to download
return(null);
}
else
{
return(this.ProcessGatewayRequest(objHttpContext, strAction));
}
}
public static string CaptureViewOutput(Controller controller, ViewResult view)
{
var builder = new StringBuilder();
using (var stringWriter = new StringWriter(builder))
{
using (var htmlTextWriter = new HtmlTextWriter(stringWriter))
{
var currentContext = controller.ControllerContext.HttpContext;
try
{
// get the Request and User objects from the current, unchanged context
var currentRequest = HttpContext.Current.ApplicationInstance.Context.Request;
var currentUser = HttpContext.Current.ApplicationInstance.Context.User;
// create our new HttpResponse object containing our HtmlTextWriter
var newResponse = new HttpResponse(htmlTextWriter);
// create a new HttpContext object using our new Response object and the existing Request and User objects
var newContext = new HttpContextWrapper(
new HttpContext(currentRequest, newResponse)
{
User = currentUser
});
// swap in our new HttpContext object - output from this controller is now going to our HtmlTextWriter object
controller.ControllerContext.HttpContext = newContext;
// Run the ViewResult
view.ExecuteResult(controller.ControllerContext);
// flush the output
newResponse.Flush();
htmlTextWriter.Flush();
stringWriter.Flush();
}
finally
{
// and no matter what happens, set the context back!
controller.ControllerContext.HttpContext = currentContext;
}
}
}
// our StringBuilder object now contains the output of the ViewResult object
return builder.ToString();
}
public static void Download(MemoryStream MyStream, string fileName)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
//string fileExtension = "txt";
response.AddHeader("Content-Disposition", string.Format("attachment; filename={0}", fileName));
MyStream.WriteTo(response.OutputStream);
response.Flush();
response.End();
}
protected void btnDownload_Click(object sender, EventArgs e)
{
if (gvMain.SelectedRow != null)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
string[] FileName = gvMain.SelectedRow.Cells[2].Text.ToString().Split('/');
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition",
"attachment; filename=" + FileName[3] + ";");
response.TransmitFile(Server.MapPath(gvMain.SelectedRow.Cells[2].Text));
response.Flush();
response.End();
}
}
//HELPER FUNCTIONS//
//User save dialog method
public void dialog(string conType, string path, string name)
{
//Open dialog so that the user can save their file
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = conType;
response.AddHeader("Content-Disposition", "attachment; filename=" + name + ";");
response.TransmitFile(path + name);
response.Flush();
message = null;
File.Delete(path + name);
return;
}
public void ProcessRequest(HttpContext context)
{
System.Web.HttpRequest request = System.Web.HttpContext.Current.Request;
string fileName = request.QueryString["fileName"];
string fileDest = request.QueryString["fileDest"];
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition",
"attachment; filename=" + fileName + ";");
response.TransmitFile(fileDest);
response.Flush();
response.End();
}
public static void ExportExcel(System.Web.HttpResponse response, string excelLocation)
{
byte[] bytes = File.ReadAllBytes(excelLocation);
response.Clear();
response.ClearHeaders();
response.ClearContent();
response.ContentType = "application/vnd.ms-excel";
response.AddHeader("Content-Length", bytes.Length.ToString());
response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(Path.GetFileName(excelLocation), System.Text.Encoding.UTF8).Replace("+", "%20"));
response.BinaryWrite(bytes);
if (response.IsClientConnected)
{
response.Flush();
}
}
protected void lnk_Click(object sender, EventArgs e)
{
string strFileName = "CalendarManual.pdf";
string strSourceFile = string.Empty;
strSourceFile = Server.MapPath("~/Manual/CalendarManual.pdf");
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition",
"attachment; filename=" + strFileName + ";");
response.TransmitFile(strSourceFile);
response.Flush();
response.End();
}
public void ProcessRequest(HttpContext context)
{
try
{
//Save a trial user to the database
string version = ConfigurationManager.AppSettings["Version"];
if (string.IsNullOrEmpty(version))
{
//throw error and return
return;
}
string trialDownloadPath = "~\\Releases\\" + version + "\\Downloadables\\Trial\\SimpleSqlite.zip";
//Transmit the files
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition", "attachment; filename=SimpleSqlite.zip;");
response.TransmitFile(trialDownloadPath);
TrialUser trialUser = new SqlDatabaseManager.SimpleSqlite.TrialUser();
trialUser.Email = "*****@*****.**";
trialUser.Name = "test name";
trialUser.Version = ConfigurationManager.AppSettings["Version"];
ConnectionStringSettings connectionStringSettings = ConfigurationManager.ConnectionStrings["SimpleSqliteDatabaseConnString"];
if (connectionStringSettings == null || string.IsNullOrEmpty(connectionStringSettings.ConnectionString))
{
//throw error and return
return;
}
Database.TrialDatabase.AddTrialUser(trialUser, connectionStringSettings.ConnectionString);
response.Flush();
response.End();
}
catch (Exception ex)
{
//Pop up dialog to let user know an error occurred
}
}
public async Task <System.Web.HttpResponse> DownloadBlobZip(string containerName, string folderpath, string configXml)
{
try
{
var container = GetBlobContainer(containerName);
System.Web.HttpResponse Response = HttpContext.Current.Response;
using (var zipOutputStream = new ZipOutputStream(Response.OutputStream))
{
var blobs = container.ListBlobs(useFlatBlobListing: true);
var blobNames = blobs.OfType <CloudBlockBlob>().Select(b => b.Name).ToList();
foreach (var blobName in blobNames)
{
var blobPathNameSplit = blobName.Split('/');
if (blobPathNameSplit.First().Equals(folderpath))
{
zipOutputStream.SetLevel(0);
var blob = container.GetBlockBlobReference(blobName);
var entry = new ZipEntry(blobPathNameSplit.Last());
zipOutputStream.PutNextEntry(entry);
blob.DownloadToStream(zipOutputStream);
}
}
// add config file for simulator
if (configXml != null)
{
var configEntry = new ZipEntry("Config.xml");
zipOutputStream.PutNextEntry(configEntry);
byte[] toBytes = Encoding.ASCII.GetBytes(configXml);
zipOutputStream.Write(toBytes, 0, toBytes.Length);
}
zipOutputStream.Finish();
zipOutputStream.Close();
}
Response.BufferOutput = false;
Response.AddHeader("Content-Disposition", "attachment; filename=" + folderpath + ".zip");
Response.ContentType = "application/octet-stream";
Response.Flush();
Response.End();
return(Response);
}
catch (Exception e)
{
throw e;
}
}
public void ExportGridViewToExcel(GridView grid, string fileName, HttpResponse Hresponse)
{
Hresponse.Clear();
Hresponse.Buffer = true;
Hresponse.AddHeader("content-disposition", "attachment;fileName=" + fileName + ".xls");
Hresponse.Charset = "";
Hresponse.ContentType = "application/vnd.ms-excel";
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
grid.RenderControl(hw);
Hresponse.Output.Write(sw.ToString());
Hresponse.Flush();
Hresponse.Close();
//Hresponse.End();
Hresponse.OutputStream.Close();
}
private void dtManageThemes_ItemCommand(object sender, System.Web.UI.WebControls.DataListCommandEventArgs e)
{
if (e.Item.ItemType == System.Web.UI.WebControls.ListItemType.Item || e.Item.ItemType == System.Web.UI.WebControls.ListItemType.AlternatingItem)
{
string text = this.dtManageThemes.DataKeys[e.Item.ItemIndex].ToString();
string directoryName = this.Page.Request.MapPath(Globals.ApplicationPath + "/Templates/master/") + text;
string text2 = this.Page.Request.MapPath(Globals.ApplicationPath + "/Templates/master/") + text;
if (e.CommandName == "btnUse")
{
this.UserThems(text);
this.ShowMsg("成功修改了商城模板", true);
}
if (e.CommandName == "download")
{
try
{
new System.IO.DirectoryInfo(text2);
System.Text.Encoding uTF = System.Text.Encoding.UTF8;
using (ZipFile zipFile = new ZipFile())
{
zipFile.CompressionLevel = CompressionLevel.Default;
if (System.IO.Directory.Exists(text2))
{
zipFile.AddDirectory(text2);
}
else
{
zipFile.AddDirectory(directoryName);
}
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ContentType = "application/zip";
response.ContentEncoding = uTF;
response.AddHeader("Content-Disposition", "attachment;filename=" + text + ".zip");
response.Clear();
zipFile.Save(response.OutputStream);
response.Flush();
response.Close();
}
}
catch (System.Exception ex)
{
throw ex;
}
}
}
}
public void ProcessRequest(HttpContext context)
{
string sPath = string.Empty;
string sNomArchivo = oWeb.GetData("sNomArchivo");
string sNumContrato = oWeb.GetData("sNumContrato");
System.Web.HttpResponse oResponse = System.Web.HttpContext.Current.Response;
sPath = HttpContext.Current.Server.MapPath("..\\rps_licenciatariosmattel") + "\\" + sNomArchivo;
oResponse.ContentType = "application/octet-stream";
oResponse.AppendHeader("Content-Disposition", "attachment; filename=" + sNomArchivo);
// Write the file to the Response
const int bufferLength = 10000;
byte[] buffer = new Byte[bufferLength];
int length = 0;
Stream download = null;
try
{
download = new FileStream(sPath, FileMode.Open, FileAccess.Read);
do
{
if (oResponse.IsClientConnected)
{
length = download.Read(buffer, 0, bufferLength);
oResponse.OutputStream.Write(buffer, 0, length);
buffer = new Byte[bufferLength];
}
else
{
length = -1;
}
}while (length > 0);
oResponse.Flush();
oResponse.End();
}
finally
{
if (download != null)
{
download.Close();
}
}
}
public static void ResponseExcel <T>(System.Web.HttpResponse response, List <T> items)
{
try
{
string attachment = "attachment; filename=vauExcel.xls";
response.ClearContent();
response.AddHeader("content-disposition", attachment);
response.ContentType = "application/vnd.ms-excel";
string tab = string.Empty;
// Get all the properties
PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo prop in props)
{
response.Write(tab + prop.Name);
tab = "\t";
}
response.Write("\n");
foreach (T item in items)
{
var values = new object[props.Length];
for (int i = 0; i < props.Length; i++)
{
values[i] = props[i].GetValue(item, null);
if (values[i] != null)
{
response.Write(values[i].ToString().Trim() + "\t");
}
else
{
response.Write("\t");
}
}
response.Write("\n");
}
response.Flush();
response.Close();
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 安全的Response.End()
/// </summary>
public static void SafeResponseEnd(HttpResponse response, String title)
{
try
{
response.Flush();
response.End();
Thread.Sleep(2000);
}
catch (ThreadAbortException tae)
{
//Logger.LogInfo("PublicMethodBLL", "SafeResponseEnd", 0,
// "\"" + title + "\"页面在Response.End()时发生异常，只做为记录，不影响程序正常运行。",
// tae.StackTrace + tae.Source);
}
}
public void ProcessRequest(HttpContext context)
{
System.Web.HttpRequest request = System.Web.HttpContext.Current.Request;
string fileCode = request.QueryString["fileCode"];
Dictionary <string, string> FileInfoDict = Find_File_Info(context, fileCode);
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition",
"attachment; filename=" + FileInfoDict["fileName"] + ";");
response.TransmitFile(context.Server.MapPath(FileInfoDict["filePath"]));
response.Flush();
response.End();
}
/// <summary>
/// Creates a text version (mostly) of the Diagnostics data that is sent via the HttpResponse to the client.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
protected void btnDumpDiagnostics_Click(object sender, EventArgs e)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearHeaders();
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("content-disposition", "attachment; filename=RockDiagnostics-" + System.Environment.MachineName + ".txt");
response.Charset = "";
ResponseWrite("Version:", lRockVersion.Text, response);
ResponseWrite("Database:", lDatabase.Text.Replace("<br />", Environment.NewLine.ToString()), response);
ResponseWrite("Execution Location:", lExecLocation.Text, response);
ResponseWrite("Migrations:", GetLastMigrationData().Replace("<br />", Environment.NewLine.ToString()), response);
ResponseWrite("Cache:", lCacheOverview.Text.Replace("<br />", Environment.NewLine.ToString()), response);;
ResponseWrite("Routes:", lRoutes.Text.Replace("<br />", Environment.NewLine.ToString()), response);
ResponseWrite("Threads:", lThreads.Text.Replace("<br />", Environment.NewLine.ToString()), response);
// Last and least...
ResponseWrite("Server Variables:", "", response);
foreach (string key in Request.ServerVariables)
{
bool isCookieOrPassword = key.Equals("HTTP_COOKIE", StringComparison.OrdinalIgnoreCase) || key.Equals("AUTH_PASSWORD", StringComparison.OrdinalIgnoreCase);
// Skip cookies
if (isCookieOrPassword)
{
continue;
}
bool isSensitiveData = key.IndexOf("ALL_HTTP", StringComparison.OrdinalIgnoreCase) >= 0 || key.IndexOf("ALL_RAW", StringComparison.OrdinalIgnoreCase) >= 0;
if (isSensitiveData)
{
// strip out any sensitive data
ResponseWrite(key, Regex.Replace(Request.ServerVariables[key], @"ASP.NET_SessionId=\S*;|\.ROCK=\S*;", string.Empty, RegexOptions.Multiline), response);
}
else
{
ResponseWrite(key, Request.ServerVariables[key], response);
}
}
response.Flush();
response.End();
}
private void Download(string path, Employee emp)
{
string filename = path;
FileInfo fileInfo = new FileInfo(filename);
if (fileInfo.Exists)
{
System.Web.HttpResponse Response = System.Web.HttpContext.Current.Response;
Response.Clear();
Response.AddHeader("Content-Disposition", "attachment; filename=" + fileInfo.Name);
Response.AddHeader("Content-Length", fileInfo.Length.ToString());
Response.ContentType = "application/octet-stream";
Response.Flush();
Response.TransmitFile(fileInfo.FullName);
Response.End();
}
}
/// <summary>
/// 保存报表文件为文件
/// </summary>
/// <param name="rpvObject">Reportview控件实例</param>
/// <param name="rptType">打印的文件类型</param>
/// <param name="filePath">文件存放路径</param>
/// <param name="fileName">文件名</param>
public static void Dowload(HttpResponse response, string filePath, string fileName, string extension)
{
if (response == null || string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(filePath) || string.IsNullOrEmpty(extension)) return;
FileStream stream = new FileStream(filePath + fileName + "." + extension, FileMode.Open);
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
// 设置当前流的位置为流的开始
stream.Seek(0, SeekOrigin.Begin);
stream.Close();
//Download
response.Buffer = true;
response.Clear();
response.ContentType = "application/" + extension;
response.AddHeader("content-disposition", "attachment; filename=" + fileName + "." + extension);
response.BinaryWrite(bytes);
response.Flush();
response.End();
}
public void ProcessRequest(HttpContext context)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
System.Web.HttpRequest request = System.Web.HttpContext.Current.Request;
string filePath = request.QueryString["filePath"];
string fileExtension = Path.GetExtension(filePath);
string fileName = Guid.NewGuid().ToString("N");
string fullName = fileName + fileExtension;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition", "attachment; filename=" + fullName + ";");
response.TransmitFile(HttpContext.Current.Server.MapPath("/Uploads/" + filePath));
response.Flush();
response.End();
}
/*
* private Dictionary<string, string> _contentType = new Dictionary<string, string>()
* {
* { "pdf", "application/pdf"},
* {"doc", "application/msword"},
* {"exe", "application/x-msdownload"}
* };
*/
public void ProcessRequest(HttpContext context)
{
try
{
if ((System.Web.HttpContext.Current.User != null) &&
System.Web.HttpContext.Current.User.Identity.IsAuthenticated)
{
string path = "~/App_Data";
System.Web.HttpRequest request = System.Web.HttpContext.Current.Request;
string fileType = request.QueryString["fileType"];
string fileName = request.QueryString["fileName"];
string extension = System.IO.Path.GetExtension(fileName);
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "application/" + extension;
response.AddHeader("Content-Disposition",
"attachment; filename=" + fileName + ";");
response.TransmitFile(
HttpContext.Current.Server.MapPath(
string.Format("{0}/{1}/{2}", path, fileType, fileName)));
response.Flush();
response.End();
}
else
{
context.Response.Redirect("../errors/unauthorized.aspx");
}
}
catch (NullReferenceException)
{
context.Response.Redirect("../errors/unauthorized.aspx");
}
catch (System.IO.DirectoryNotFoundException)
{
context.Response.Redirect("../errors/notfound.aspx");
}
catch (System.IO.FileNotFoundException)
{
context.Response.Redirect("../errors/notfound.aspx");
}
}
protected void GrdQuestionPaper_RowCommand(object sender, GridViewCommandEventArgs e)
{
int index = Convert.ToInt32(e.CommandArgument);
GridViewRow gvRow = GrdQuestionPaper.Rows[index];
int questionpaper_id = Convert.ToInt32(gvRow.Cells[0].Text);
if (e.CommandName == "Upload")
{
SqlConnection conn = new SqlConnection(@"Data Source=LAPTOP-8444MQAL\MSSQLSERVER01;Initial Catalog=StudentModule;Integrated Security=True");
conn.Open();
string checkuser = "******" + fileuploadQuestionPaper.FileName + "' where qp_id =" + questionpaper_id;
SqlCommand cmd = new SqlCommand(checkuser, conn);
cmd.ExecuteNonQuery();
if (fileuploadQuestionPaper.FileName != "")
{
fileuploadQuestionPaper.SaveAs(Server.MapPath("QuestionPaper") + "//" + fileuploadQuestionPaper.FileName);
Label1.Text = "Notes Updated Successfully Uploaded";
}
else
{
Label1.Text = "Please Select The File";
}
}
else if (e.CommandName == "Download")
{
SqlConnection conn = new SqlConnection(@"Data Source=LAPTOP-8444MQAL\MSSQLSERVER01;Initial Catalog=StudentModule;Integrated Security=True");
conn.Open();
string checkuser = "******" + questionpaper_id;
SqlCommand cmd = new SqlCommand(checkuser, conn);
string filename = cmd.ExecuteScalar().ToString();
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition",
"attachment; filename=" + filename + ";");
response.TransmitFile(Server.MapPath("QuestionPaper") + "//" + filename);
response.Flush();
response.End();
}
LoadGrid();
}
public void ProcessRequest(HttpContext context)
{
System.Web.HttpResponse oResponse = System.Web.HttpContext.Current.Response;
string sPath = string.Empty;
sPath = sPath + "\\\\srvdebt03\\Comun\\Mattel Europa\\Base.bak";
oResponse.ContentType = "application/pdf";
oResponse.AppendHeader("Content-Disposition", "attachment; filename=Base.bak");
// Write the file to the Response
const int bufferLength = 10000;
byte[] buffer = new Byte[bufferLength];
int length = 0;
Stream download = null;
try
{
download = new FileStream(sPath, FileMode.Open, FileAccess.Read);
do
{
if (oResponse.IsClientConnected)
{
length = download.Read(buffer, 0, bufferLength);
oResponse.OutputStream.Write(buffer, 0, length);
buffer = new Byte[bufferLength];
}
else
{
length = -1;
}
}while (length > 0);
oResponse.Flush();
oResponse.End();
}
finally
{
if (download != null)
{
download.Close();
}
}
}
protected void ClientBigfileOk_Click(object sender, EventArgs e)
{
try
{
string fileName = "FileUpLoadSetup.exe";
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.Clear();
response.ClearHeaders();
response.ClearContent();
response.AddHeader("Content-Disposition", "attachment; filename=" + fileName);
response.ContentType = "text/plain";
response.TransmitFile(System.Web.HttpContext.Current.Server.MapPath(fileName));
response.Flush();
response.End();
}
catch (Exception ex)
{
}
}
protected void exportButton_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["PracticeConnectionString"].ConnectionString;
String strDelimiter = ",";
String cs = ConfigurationManager.ConnectionStrings["PracticeConnectionString"].ConnectionString;
StringBuilder sb = new StringBuilder();
if (emp != null)
{
emp = Session["employees"] as List <Employee>;
foreach (Employee epl in emp)
{
sb.Append(epl.getfn() + strDelimiter);
sb.Append(epl.getln() + strDelimiter);
sb.Append(epl.getad() + strDelimiter);
sb.Append(epl.getpo() + strDelimiter);
sb.Append("\r\n");
}
Console.Clear();
StreamWriter file = new StreamWriter(@"C:\Users\Owner\Desktop\Data.csv");
file.WriteLine(sb.ToString());
file.Close();
String FileName = "Data.csv";
String FilePath = "C:/Users/Owner/Desktop/Data.csv";
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition", "attachment; filename=" + FileName + ";");
response.TransmitFile(FilePath);
response.Flush();
response.End();
System.IO.File.Delete(@"C:\Users\Owner\Desktop\Data.csv");
}
}
private static void ShowSource(HttpResponse response, int moduleId, int portalId, Hashtable settings)
{
if (response == null) throw new ArgumentNullException("response");
var scriptTimeOut = HttpContext.Current.Server.ScriptTimeout;
// temporarily set script timeout to large value ( this value is only applicable when application is not running in Debug mode )
HttpContext.Current.Server.ScriptTimeout = int.MaxValue;
response.ContentType = "xml|text/xml";
response.AppendHeader("content-disposition", "inline; filename=" + "datasource.xml");
using (var writer = XmlWriter.Create(response.OutputStream))
{
var providerName = settings[Setting.SourceProvider].DefaultIfNullOrEmpty();
if (providerName != string.Empty)
writer.WriteNode(XmlDataProvider.Instance(providerName).Load(moduleId, portalId, settings), false);
writer.Flush();
}
response.Flush();
// reset script timeout
HttpContext.Current.Server.ScriptTimeout = scriptTimeOut;
}
public ActionResult DownloadProject()
{
int projectid = int.Parse(Request.QueryString["pid"]);
List <project> project = objadminmodel.DownloadProject(projectid);
foreach (var item in project)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = item.filetype;
response.AddHeader("Content-Disposition", "attachment; filename=" + item.filename + ";");
response.TransmitFile(Server.MapPath(@"~/Uploads/" + item.filename));
response.Flush();
response.End();
}
ViewBag.projects = objadminmodel.GetProjects();
return(View("~/Views/Admin/ProjectsList.cshtml"));
}
public void ExportWord(System.Web.UI.WebControls.GridView exportGV, System.Web.HttpResponse Response, System.Web.UI.HtmlControls.HtmlForm htmlForm)
{
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=Export.doc");
Response.Charset = "";
Response.ContentType = "application/vnd.ms-word ";
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
exportGV.Parent.Controls.Add(htmlForm);
htmlForm.Attributes["runat"] = "server";
htmlForm.Controls.Add(exportGV);
htmlForm.RenderControl(hw);
Response.Output.Write(sw.ToString());
Response.Flush();
Response.End();
}
protected void DownloadButton_Click(object sender, EventArgs e)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
string[] extArray = ProfilePic.ImageUrl.Split('.');
string ext = extArray[extArray.Length - 1];
response.Clear();
response.AddHeader("Content-Disposition",
"attachment; filename= " + Session["User"].ToString() + "ProfilePicture." + ext + ";");
response.TransmitFile(Server.MapPath(ProfilePic.ImageUrl));
response.Flush();
response.End();
List <string> values = new List <string>();
values.Add("IMG_DWL");
values.Add(UpdaterId());
values.Add(Session["User"].ToString());
int status = DataConsumer.executeProcedure("audit_proc", values);
}
protected void Page_Load(object sender, EventArgs e)
{
this.Page.Response.Clear();
if (base.Request.Files["uploadfile"] != null)
{
this.Upload();
}
else if (base.Request.QueryString["download"] != null)
{
string filename = base.Server.MapPath("~/congvan.pdf");
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "application/pdf";
response.AddHeader("Content-Disposition", "attachment; filename=" + "testfilename.pdf" + ";");
response.TransmitFile(filename);
response.Flush();
}
this.Page.Response.End();
}
public void ProcessRequest(HttpContext context)
{
System.Web.HttpRequest request = System.Web.HttpContext.Current.Request;
int ID_Files = Convert.ToInt32(request.QueryString["yourVariable"]);
// string yourVariableValue = request.QueryString["yourVariable"];
// string yourVariableValue2 = request.QueryString["yourVariable2"];
string yourVariableFileName = FINANCIAL_MANAGEMENT.App_Code.xrisi.Fetch_File_Path_ABE(ID_Files);
string yourVariableType = FINANCIAL_MANAGEMENT.App_Code.xrisi.Fetch_File_Type_ABE(ID_Files);
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = yourVariableType;
response.AddHeader("Content-Disposition",
"attachment; filename=" + yourVariableFileName + ";");
response.TransmitFile("~\\FilesUp\\" + yourVariableFileName);
response.Flush();
response.End();
}
//2018-1-12修正正確寫法，才能在Client端儲存檔案
private void Save_csv_toClient(DataTable dt, string svPath)
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition", "attachment; filename=" + svPath + ";");
StringBuilder sb = new StringBuilder();
string data = "";
foreach (DataRow row in dt.Rows)
{
foreach (DataColumn column in dt.Columns)
{
if (!string.IsNullOrEmpty(row[column].ToString().Trim()))
{
if (column.ColumnName == "birth" | column.ColumnName == "date")
{
data += Convert.ToDateTime(row[column].ToString().Trim()).ToString("yyyy-MM-dd 00:00:00.000") + ",";
}
else
{
data += row[column].ToString().Trim() + ",";
}
}
else
{
data += "NULL,";
}
}
data += "";
sb.AppendLine(data.Substring(0, (data.Length - 1)));
data = "";
}
response.Write(sb.ToString());
response.Flush();
response.End();
}
public void WriteFile(string strFileName)
{
System.Web.HttpResponse objResponse = System.Web.HttpContext.Current.Response;
System.IO.Stream objStream = null;
byte[] bytBuffer = new byte[10000];
int intLength;
long lngDataToRead;
try
{
objStream = new System.IO.FileStream(strFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read);
lngDataToRead = objStream.Length;
objResponse.ContentType = "application/octet-stream";
while (lngDataToRead > 0)
{
if (objResponse.IsClientConnected)
{
intLength = objStream.Read(bytBuffer, 0, 10000);
objResponse.OutputStream.Write(bytBuffer, 0, intLength);
objResponse.Flush();
bytBuffer = new byte[10000];
lngDataToRead = lngDataToRead - intLength;
}
else
{
lngDataToRead = -1;
}
}
}
catch (Exception ex)
{
objResponse.Write("Error : " + ex.Message);
}
finally
{
if (objStream != null)
{
objStream.Close();
}
}
}
/// <summary>
/// pjy
/// 2013-05-07
/// 把内存流（文件）发送到客户端
/// </summary>
/// <param name="fileName">文件名称</param>
/// <param name="ms">文件流</param>
/// <param name="response">响应客户端对象</param>
public static void SendFile(string fileName, MemoryStream ms, Encoding encoding = null)
{
encoding = encoding ?? Encoding.UTF8;
if (ms != null && !string.IsNullOrEmpty(fileName))
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.Clear();
response.AddHeader("Content-Type", "application/octet-stream");
response.Charset = encoding.BodyName;// "utf-8";
if (!HttpContext.Current.Request.UserAgent.Contains("Firefox") && !HttpContext.Current.Request.UserAgent.Contains("Chrome"))
{
fileName = HttpUtility.UrlEncode(fileName, encoding);
}
response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
response.BinaryWrite(ms.GetBuffer());
ms.Close();
ms = null;
response.Flush();
response.End();
}
}
public void Flush(System.Web.HttpResponse resp)
{
byte[] data1 = output.ToArray();
if (!useGZip_ || data1.Length < 200)
{
finalOutLength = data1.Length;
resp.BinaryWrite(data1);
return;
}
// compress
MemoryStream ms = new MemoryStream();
GZipStream GZip = new GZipStream(ms, CompressionMode.Compress);
GZip.Write(data1, 0, data1.Length);
GZip.Close();
// get compressed bytes
byte[] data2 = ms.ToArray();
ms.Close();
// if compression failed (more data)
if (data2.Length >= data1.Length)
{
finalOutLength = data1.Length;
resp.BinaryWrite(data1);
return;
}
resp.BufferOutput = true;
resp.ContentType = "application/octet-stream";
resp.Write("$1");
//resp.Write(string.Format("SIZE: {0} vs {1}<br>", data1.Length, data2.Length));
finalOutLength = data2.Length;
resp.BinaryWrite(data2);
resp.Flush();
}
//public void DownLoad(HttpRequest request, HttpResponse response, string name, string path, long speed)
//{
// try
// {
// if (string.IsNullOrEmpty(path))
// {
// path = System.Web.HttpContext.Current.Server.MapPath(name);
// }
// //BinaryReader br
// #region response
// response.Clear();
// response.AddHeader("Accept-Ranges", "bytes");
// response.AddHeader("Content-Length", "");
// response.AddHeader("Content-Range", "");
// response.AddHeader("Connection", "Keep-Alive");
// response.AddHeader("Content-Type", "application/octet-stream");
// response.AddHeader("Content-Disposition", "attachment;filename=" + path);
// //response.TransmitFile();
// //response.BinaryWrite();
// response.End();
// #endregion
// }
// catch { }
//}
private void DownLoad(HttpResponse response, string name, string path)
{
try
{
if (string.IsNullOrEmpty(path))
{
path = System.Web.HttpContext.Current.Server.MapPath(name);
}
//以字符流的形式下载文件
FileStream fs = new FileStream(path, FileMode.Open);
byte[] bytes = new byte[(int)fs.Length];
fs.Read(bytes, 0, bytes.Length);
fs.Close();
response.ContentType = "application/octet-stream";
//通知浏览器下载文件而不是打开
response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(name, System.Text.Encoding.UTF8));
response.BinaryWrite(bytes);
response.Flush();
response.End();
}
catch { }
}
public static void Run()
{
// ExStart:SendingPdfToBrowser
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdfGenerator_AdvanceFeatures();
// Instantiate Pdf instance by calling its empty constructor
Aspose.Pdf.Generator.Pdf pdf1 = new Aspose.Pdf.Generator.Pdf();
MemoryStream stream = new MemoryStream();
HttpResponse Response = new HttpResponse(null);
pdf1.Save(stream);
Response.Clear();
Response.ClearHeaders();
Response.ClearContent();
Response.Charset = "UTF-8";
Response.AddHeader("Content-Length", stream.Length.ToString());
Response.AddHeader("content-disposition", String.Format("attachment;filename={0}", dataDir + "SendingPdfToBrowser.pdf"));
Response.ContentType = "application/pdf";
Response.BinaryWrite(stream.ToArray());
Response.Flush();
Response.End();
// ExEnd:SendingPdfToBrowser
}
protected void StreamChunk(byte[] bytes, HttpResponse response)
{
if (bytes != null && bytes.Length > 0)
{
byte[] chunkLength = System.Text.Encoding.ASCII.GetBytes(System.Convert.ToString(bytes.Length, 0x10));
response.BinaryWrite(chunkLength);
response.BinaryWrite(CRLF_BYTES);
response.BinaryWrite(bytes);
response.Flush();
}
else
{
//response.OutputStream.WriteByte(48);
//response.BinaryWrite(CRLF_BYTES);
response.Flush();
}
}
/// -----------------------------------------------------------------------------
/// <summary>
/// Writes a Stream to the appropriate File Storage
/// </summary>
/// <param name="objResponse">The Id of the File</param>
/// <param name="objStream">The Input Stream</param>
/// <remarks>
/// </remarks>
/// <history>
/// [cnurse] 04/27/2006 Created
/// </history>
/// -----------------------------------------------------------------------------
private static void WriteStream(HttpResponse objResponse, Stream objStream)
{
//Buffer to read 10K bytes in chunk:
var bytBuffer = new byte[10000];
//Length of the file:
int intLength;
//Total bytes to read:
long lngDataToRead;
try
{
//Total bytes to read:
lngDataToRead = objStream.Length;
//Read the bytes.
while (lngDataToRead > 0)
{
//Verify that the client is connected.
if (objResponse.IsClientConnected)
{
//Read the data in buffer
intLength = objStream.Read(bytBuffer, 0, 10000);
//Write the data to the current output stream.
objResponse.OutputStream.Write(bytBuffer, 0, intLength);
//Flush the data to the HTML output.
objResponse.Flush();
lngDataToRead = lngDataToRead - intLength;
}
else
{
lngDataToRead = -1;
}
}
}
catch (Exception ex)
{
DnnLog.Error(ex);
objResponse.Write("Error : " + ex.Message);
}
finally
{
if (objStream != null)
{
objStream.Close();
objStream.Dispose();
}
}
}
private void HandleFlexClientStreamingOpenRequest(HttpRequest request, HttpResponse response, IClient flexClient)
{
Session session = FluorineContext.Current.Session as Session;
if (session == null)
{
string msg = string.Format("Cannot grant streaming connection when ASP.NET session state is disabled", this.Id);
if (log.IsWarnEnabled)
log.Warn(msg);
try
{
HandleBadRequest(msg, HttpContext.Current.Response);
}
catch (HttpException)
{ }
return;
}
if (!_canStream || !session.CanStream)
{
string msg = string.Format("Cannot grant streaming connection, limit has been reached", this.Id);
try
{
HandleBadRequest(msg, HttpContext.Current.Response);
}
catch (HttpException)
{ }
return;
}
bool canStream = false;
lock (this.SyncRoot)
{
_streamingClientsCount.Increment();
if (_streamingClientsCount.Value == this.MaxStreamingClients)
{
canStream = true; // This thread got the last spot.
_canStream = false;
}
else if (_streamingClientsCount.Value > this.MaxStreamingClients)
{
canStream = false; // This thread lost the last spot.
_streamingClientsCount.Decrement();// We're not going to grant the streaming right to the client.
}
else
{
// Allow this thread to stream.
canStream = true;
}
}
if (!canStream)
{
string msg = string.Format("Cannot service streaming request, max-streaming-clients reached in endpoint {0}", this.Id);
try
{
HandleBadRequest(msg, HttpContext.Current.Response);
}
catch (HttpException)
{ }
return;
}
UserAgent userAgent = this.ChannelDefinition.Properties.UserAgentSettings[request.Browser.Browser];
if (userAgent != null)
{
lock (session.SyncRoot)
{
session.MaxConnectionsPerSession = userAgent.MaxStreamingConnectionsPerSession;
}
}
lock (session.SyncRoot)
{
session.StreamingConnectionsCount++;
if (session.StreamingConnectionsCount == session.MaxConnectionsPerSession)
{
canStream = true; // This thread got the last spot in the session.
session.CanStream = false;
}
else if (session.StreamingConnectionsCount > session.MaxConnectionsPerSession)
{
canStream = false;
session.StreamingConnectionsCount--;
_streamingClientsCount.Decrement();
}
else
{
canStream = true;
}
}
if (!canStream)
{
string msg = string.Format("Cannot grant streaming connection, limit has been reached", this.Id);
try
{
HandleBadRequest(msg, HttpContext.Current.Response);
}
catch (HttpException)
{ }
return;
}
EndpointPushNotifier notifier = null;
try
{
response.ContentType = ContentType.AMF;
response.AppendHeader("Cache-Control", "no-cache");
response.AppendHeader("Pragma", "no-cache");
response.AppendHeader("Connection", "close");
//response.AppendHeader("Transfer-Encoding", "chunked");
response.Flush();
// Setup for specific user agents.
byte[] kickStartBytesToStream = null;
int kickStartBytes = userAgent != null ? userAgent.KickstartBytes : 0;
if (kickStartBytes > 0)
{
// The minimum number of actual bytes that need to be sent to kickstart, taking into account transfer-encoding overhead.
try
{
int chunkLengthHeaderSize = System.Text.Encoding.ASCII.GetBytes(System.Convert.ToString(kickStartBytes, 0x10)).Length; //System.Text.ASCIIEncoding.ASCII.GetBytes(kickStartBytes.ToString("X")).Length;
int chunkOverhead = chunkLengthHeaderSize + 4; // 4 for the 2 wrapping CRLF tokens.
int minimumKickstartBytes = kickStartBytes - chunkOverhead;
kickStartBytesToStream = new byte[(minimumKickstartBytes > 0) ? minimumKickstartBytes : kickStartBytes];
}
catch
{
kickStartBytesToStream = new byte[kickStartBytes];
}
}
if (kickStartBytesToStream != null)
{
StreamChunk(kickStartBytesToStream, response);
}
try
{
notifier = new EndpointPushNotifier(this, flexClient);
lock (_currentStreamingRequests.SyncRoot)
{
_currentStreamingRequests.Add(notifier.Id, notifier);
}
// Push down an acknowledgement for the 'connect' request containing the unique id for this specific stream.
AcknowledgeMessage connectAck = new AcknowledgeMessage();
connectAck.body = notifier.Id;
connectAck.correlationId = OpenCommand;
StreamMessage(connectAck, response);
}
catch (MessageException)
{
}
if (log.IsDebugEnabled)
{
string msg = string.Format("Start streaming for endpoint with id {0} and client with id {1}", this.Id, flexClient.Id);
log.Debug(msg);
}
int serverToClientHeartbeatMillis = this.ChannelDefinition.Properties.ServerToClientHeartbeatMillis >= 0 ? this.ChannelDefinition.Properties.ServerToClientHeartbeatMillis : 0;
serverToClientHeartbeatMillis = 100;
while (!notifier.IsClosed)
{
IList messages = notifier.GetPendingMessages();
StreamMessages(messages, response);
lock (notifier.SyncRoot)
{
Monitor.Wait(notifier.SyncRoot, serverToClientHeartbeatMillis);
messages = notifier.GetPendingMessages();
// If there are no messages to send to the client, send a 0
// byte as a heartbeat to make sure the client is still valid.
if ((messages == null || messages.Count == 0) && serverToClientHeartbeatMillis > 0)
{
try
{
StreamChunk(Heartbeat, response);
response.Flush();
}
catch (HttpException)
{
break;
}
catch (IOException)
{
break;
}
}
else
{
StreamMessages(messages, response);
}
}
}
// Terminate the response.
StreamChunk(null, response);
if (log.IsDebugEnabled)
{
string msg = string.Format("Releasing streaming connection for endpoint with id {0} and and client with id {1}", this.Id, flexClient.Id);
log.Debug(msg);
}
}
catch (IOException ex)//HttpException?
{
if (log.IsWarnEnabled)
log.Warn("Streaming thread for endpoint with id " + this.Id + " is closing connection due to an IO error.", ex);
}
catch (Exception ex)
{
if (log.IsErrorEnabled)
log.Error("Streaming thread for endpoint with id " + this.Id + " is closing connection due to an error.", ex);
}
finally
{
if (notifier != null && _currentStreamingRequests != null)
{
if (_currentStreamingRequests != null)
{
lock (_currentStreamingRequests.SyncRoot)
{
_currentStreamingRequests.Remove(notifier.Id);
}
}
notifier.Close();
}
_streamingClientsCount.Decrement();
lock (session.SyncRoot)
{
session.StreamingConnectionsCount--;
session.CanStream = session.StreamingConnectionsCount < session.MaxConnectionsPerSession;
}
}
}
/// <summary>
/// 下载报表文件
/// </summary>
/// <param name="s_rptType">打印的文件类型("Excel,PDF,Image")</param>
public static void DowloadReportFile(HttpResponse response, ReportViewer rpvObject, ReportPrintType rptType, string fileName)
{
if (string.IsNullOrEmpty(fileName) || response == null || rpvObject == null) return;
Warning[] warnings;
string[] streamids;
string mimeType;
string encoding;
string extension;
byte[] bytes = rpvObject.LocalReport.Render(
rptType.ToString(), null, out mimeType, out encoding, out extension,
out streamids, out warnings);
//Download
response.Buffer = true;
response.Clear();
response.ContentType = "application/" + extension;
response.AddHeader("content-disposition", "attachment; filename=" + fileName + "." + extension);
response.BinaryWrite(bytes);
response.Flush();
response.End();
}
public static void DownloadFile(int fileId, HttpResponse response, bool AddContentDispositionHeader)
{
string fileName;
string contentType;
int size;
GetInfo(fileId, out fileName, out contentType, out size);
response.ContentType = contentType;
string susag = HttpContext.Current.Request.UserAgent.ToString();
if(susag.IndexOf("MSIE")>0)
{
string sextension = "";
string _fileName = fileName;
int lastDot = fileName.LastIndexOf(".");
if(lastDot >= 0)
{
sextension = fileName.Substring(lastDot);
_fileName = fileName.Substring(0, lastDot);
}
bool MoreThan127 = false;
for(int i=0; i<_fileName.Length; i++)
{
char ch = _fileName[i];
int j = (int)ch;
if(j>127)
{
MoreThan127 = true;
break;
}
}
if(MoreThan127 && _fileName.Length>25)
_fileName = _fileName.Substring(0,25);
fileName = HttpContext.Current.Server.UrlPathEncode(_fileName+sextension);
}
if (AddContentDispositionHeader)
response.AddHeader("content-disposition", String.Format("attachment; filename=\"{0}\"", fileName));
const int iBufferSize = 65536; // 64 KB
byte[] outbyte = new byte[iBufferSize];
using(IDataReader reader = DBFile.GetBinaryData(fileId))
{
if(reader != null)
{
if(reader.Read())
{
long read = 0, startIndex = 0;
do
{
if(response.IsClientConnected)
{
read = reader.GetBytes(0, startIndex, outbyte, 0, iBufferSize);
response.OutputStream.Write(outbyte, 0, System.Convert.ToInt32(read));
response.Flush();
startIndex += read;
}
else
read = 0;
} while(read == iBufferSize);
}
}
}
}
public void Methods_Deny_Unrestricted ()
{
HttpResponse response = new HttpResponse (writer);
response.AddCacheItemDependencies (new ArrayList ());
response.AddCacheItemDependency (String.Empty);
response.AddFileDependencies (new ArrayList ());
response.AddFileDependency (fname);
response.AddCacheDependency (new CacheDependency[0]);
response.AddCacheItemDependencies (new string [0]);
response.AddFileDependencies (new string [0]);
try {
response.AppendCookie (new HttpCookie ("mono"));
}
catch (NullReferenceException) {
// ms
}
try {
Assert.IsNull (response.ApplyAppPathModifier (null), "ApplyAppPathModifier");
}
catch (NullReferenceException) {
// ms
}
try {
response.Clear ();
}
catch (NullReferenceException) {
// ms
}
try {
response.ClearContent ();
}
catch (NullReferenceException) {
// ms
}
try {
response.ClearHeaders ();
}
catch (NullReferenceException) {
// ms
}
try {
response.Redirect ("http://www.mono-project.com");
}
catch (NullReferenceException) {
// ms
}
try {
response.Redirect ("http://www.mono-project.com", false);
}
catch (NullReferenceException) {
// ms
}
try {
response.SetCookie (new HttpCookie ("mono"));
}
catch (NullReferenceException) {
// ms
}
response.Write (String.Empty);
response.Write (Char.MinValue);
response.Write (new char[0], 0, 0);
response.Write (this);
response.WriteSubstitution (new HttpResponseSubstitutionCallback (Callback));
response.Flush ();
response.Close ();
try {
response.End ();
}
catch (NullReferenceException) {
// ms
}
}
//@Override
public bool preHandle(HttpRequest request, HttpResponse response, Object o)
{
// we only care about post because that's the only instance where we can get anything useful besides IP address.
if (!"POST".Equals(request.HttpMethod))
{
return true;
}
if (this.exceedsThreshold(request))
{
this.recordThrottle(request);
response.StatusCode = 403;//
response.StatusDescription = ("Access Denied for user [" + request.getParameter(this.usernameParameter) + " from IP Address [" + ".." + "]");
response.Flush();
return false;
}
return true;
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="Response"></param>
/// <param name="filepath"></param>
/// <param name="filename"></param>
public static void DownloadFile(HttpResponse Response, string filepath, string filename)
{
System.IO.Stream iStream = null;
// Buffer to read 10K bytes in chunk:
byte[] buffer = new Byte[10000];
// Length of the file:
int length;
// Total bytes to read:
long dataToRead;
// Identify the file to download including its path.
//string filepath = "strFilePath";
// Identify the file name.
//string filename = System.IO.Path.GetFileName(filepath);
//filename = HttpUtility.UrlEncode(filename);//加密
try
{
// Open the file.
iStream = new System.IO.FileStream(filepath, System.IO.FileMode.Open,
System.IO.FileAccess.Read, System.IO.FileShare.Read);
// Total bytes to read:
dataToRead = iStream.Length;
//Response.Charset = "utf-8";
Response.Charset = "utf-8";
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.ContentType = "application/octet-stream";
// 添加头信息，为"文件下载/另存为"对话框指定默认文件名
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(filename, System.Text.Encoding.UTF8));
// 添加头信息，指定文件大小，让浏览器能够显示下载进度
Response.AddHeader("Content-Length", dataToRead.ToString());
// Read the bytes.
while (dataToRead > 0)
{
// Verify that the client is connected.
if (Response.IsClientConnected)
{
// Read the data in buffer.
length = iStream.Read(buffer, 0, 10000);
// Write the data to the current output stream.
Response.OutputStream.Write(buffer, 0, length);
// Flush the data to the HTML output.
Response.Flush();
buffer = new Byte[10000];
dataToRead = dataToRead - length;
}
else
{
//prevent infinite loop if user disconnects
dataToRead = -1;
}
}
}
catch (Exception ex)
{
// Trap the error, if any.
Response.Write("系统消息:服务器中的附件（" + filename + "）已被删除!");
}
finally
{
if (iStream != null)
{
//Close the file.
iStream.Close();
}
}
}
private void ReturnMessage(RtmptConnection connection, ByteBuffer data, HttpResponse response)
{
response.StatusCode = 200;
response.ClearHeaders();
response.AppendHeader("Connection", "Keep-Alive");
int contentLength = data.Limit + 1;
response.AppendHeader("Content-Length", contentLength.ToString());
response.Cache.SetCacheability(HttpCacheability.NoCache);
response.ContentType = ContentType.RTMPT;
response.Write((char)connection.PollingDelay);
byte[] buffer = data.ToArray();
response.OutputStream.Write(buffer, 0, buffer.Length);
response.Flush();
}
private void ReturnMessage(byte message, HttpResponse response)
{
response.StatusCode = 200;
response.ClearHeaders();
response.AppendHeader("Connection", "Keep-Alive");
response.AppendHeader("Content-Length", "1");
response.Cache.SetCacheability(HttpCacheability.NoCache);
response.ContentType = ContentType.RTMPT;
response.Write((char)message);
response.Flush();
}
private void HandleBadRequest(string message, HttpResponse response)
{
response.StatusCode = 400;
response.ContentType = "text/plain";
response.AppendHeader("Content-Length", message.Length.ToString());
response.Write(message);
response.Flush();
}
