| public AppendHeader ( string name, string value ) : void | ||
| name | string | |
| value | string | |
| return | void | |
/// <summary>
/// 导入数据，保存文档
/// </summary>
/// <param name="tab"></param>
/// <param name="fileName"></param>
/// <param name="typeName"></param>
/// <param name="styleText"></param>
private void TableExport(System.Web.UI.HtmlControls.HtmlGenericControl tab, string fileName, string typeName, bool isFireFox)
{
System.Web.HttpResponse httpResponse = _InvokePage.Response;
httpResponse.Clear();
httpResponse.Buffer = true;
httpResponse.Charset = "gb2312";// "GB2312";
//Response.Charset = "UTF-8";
httpResponse.Write("<meta http-equiv=Content-Type content=text/html;charset=gb2312>");
if (isFireFox == true)
{
fileName = "\"" + fileName + "\"";
httpResponse.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
}
else
{
httpResponse.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8).ToString());
}
httpResponse.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
httpResponse.ContentType = typeName;
_InvokePage.EnableViewState = false;
StringWriter tw = new StringWriter();
System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
tab.RenderControl(hw);
// httpResponse.Write(styleText);
httpResponse.Write(tw.ToString());
httpResponse.End();
}
private int StreamFile(string FilePath, string DownloadAs)
{
DownloadAs = DownloadAs.Replace(" ", "_");
System.IO.FileInfo objFile = new System.IO.FileInfo(FilePath);
if (!objFile.Exists)
{
return(0);
}
System.Web.HttpResponse objResponse = System.Web.HttpContext.Current.Response;
objResponse.ClearContent();
objResponse.ClearHeaders();
objResponse.AppendHeader("Content-Disposition", "attachment; filename=" + DownloadAs);
objResponse.AppendHeader("Content-Length", objFile.Length.ToString());
string strContentType;
strContentType = "application/octet-stream";
objResponse.ContentType = strContentType;
WriteFile(objFile.FullName);
objResponse.Flush();
objResponse.Close();
return(1);
}
public void Process(HttpResponse response)
{
response.AppendHeader("Last-Modified", serverFingerprint.LastModifiedTime.ToString("r"));
response.AppendHeader("ETag", serverFingerprint.ETag);
response.AppendHeader("Cache-Control", "private, max-age=0");
if (!string.IsNullOrEmpty(fileName))
{
response.AppendHeader(
"Content-Disposition",
"attachment; filename=\"" + Path.GetFileName(fileName) + "\"");
}
if (!string.IsNullOrEmpty(type))
{
response.ContentType = type;
}
else if (!string.IsNullOrEmpty(fileName))
{
var mimeType = GetMimeType(fileName);
response.ContentType = mimeType;
}
else
{
response.ContentType = "application/octetstream";
}
fileTransfer.Download(response.OutputStream);
}
private static void DownloadFile(string FileLoc)
{
FileInfo objFile = new FileInfo(FileLoc);
System.Web.HttpResponse objResponse = System.Web.HttpContext.Current.Response;
string filename = objFile.Name;
if (HttpContext.Current.Request.UserAgent.IndexOf("; MSIE ") > 0)
{
filename = HttpUtility.UrlEncode(filename);
}
if (objFile.Exists)
{
objResponse.ClearContent();
objResponse.ClearHeaders();
objResponse.AppendHeader("Content-Length", objFile.Length.ToString());
objResponse.ContentType = GetContentType(objFile.Extension.Replace(".", ""));
if (objResponse.ContentType.Contains("x-shockwave-flash") || objResponse.ContentType.Contains("video"))
{
objResponse.AddHeader("Content-Disposition", "inline;filename=\"" + filename + "\"");
}
else
{
objResponse.AppendHeader("content-disposition", "attachment; filename=\"" + filename + "\"");
}
WriteFile(objFile.FullName);
objResponse.Flush();
objResponse.End();
}
}
// Function : Export_with_XSLT_Web
// Arguments : dsExport, sHeaders, sFileds, FormatType, FileName
// Purpose : Exports dataset into CSV / Excel format
private void Export_with_XSLT_Web(DataSet dsExport, string[] sHeaders, string[] sFileds, ExportFormat FormatType, string FileName)
{
try
{
// Appending Headers
response.Clear();
response.Buffer = true;
if (FormatType == ExportFormat.CSV)
{
response.ContentType = "text/csv";
response.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
else
{
response.ContentType = "application/vnd.ms-excel";
response.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
// XSLT to use for transforming this dataset.
MemoryStream stream = new MemoryStream( );
XmlTextWriter writer = new XmlTextWriter(stream, Encoding.Default);
CreateStylesheet(writer, sHeaders, sFileds, FormatType);
writer.Flush( );
stream.Seek(0, SeekOrigin.Begin);
XmlDocument xsl = new XmlDocument();
xsl.Load(stream);
//XslTransform xslTran = new XslTransform();
//xslTran.Load(new XmlTextReader(stream), null, null);
//System.IO.StringWriter sw = new System.IO.StringWriter();
//xslTran.Transform(xmlDoc, null, sw, null);
XmlDataDocument xmlDoc = new XmlDataDocument(dsExport);
StringWriter sw = new StringWriter();
XmlTextWriter xtw = new XmlTextWriter(sw);
XslCompiledTransform t = new XslCompiledTransform();
t.Load((IXPathNavigable)xsl, null, null);
t.Transform((IXPathNavigable)xmlDoc, xtw);
//Writeout the Content
response.Write(sw.ToString());
sw.Close();
xtw.Close();
writer.Close();
stream.Close();
response.End();
sw.Dispose();
stream.Dispose();
}
catch (ThreadAbortException Ex)
{
string ErrMsg = Ex.Message;
}
catch (Exception Ex)
{
throw Ex;
}
}
public void Process(HttpResponse response)
{
response.AppendHeader("Last-Modified", serverFingerprint.LastModifiedTime.ToString("r"));
response.AppendHeader("ETag", serverFingerprint.ETag);
response.AppendHeader("Cache-Control", "private, max-age=0");
response.BinaryWrite(content);
}
public static void AddCompressionFilter(HttpRequest request, HttpResponse response)
{
// load encodings from header
QValueList encodings = new QValueList(request.Headers["Accept-Encoding"]);
// get the types we can handle, can be accepted and
// in the defined client preference
QValue preferred = encodings.FindPreferred("gzip", "deflate", "identity");
// if none of the preferred values were found, but the
// client can accept wildcard encodings, we'll default
// to Gzip.
if (preferred.IsEmpty && encodings.AcceptWildcard && encodings.Find("gzip").IsEmpty)
preferred = new QValue("gzip");
// handle the preferred encoding
switch (preferred.Name)
{
case "gzip":
response.AppendHeader("Content-Encoding", "gzip");
response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
break;
case "deflate":
response.AppendHeader("Content-Encoding", "deflate");
response.Filter = new DeflateStream(response.Filter, CompressionMode.Compress);
break;
case "identity":
default:
break;
}
}
public void Process(HttpResponse response)
{
response.AppendHeader("Last-Modified", serverFingerprint.LastModifiedTime.ToString("r"));
response.AppendHeader("ETag", serverFingerprint.ETag);
response.AppendHeader("Cache-Control", "private, max-age=0");
response.ContentType = MimeType.Json.ContentType;
response.Write(jsonFragment);
}
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();
}
// Function : Export_with_XSLT_Web
// Arguments : dsExport, sHeaders, sFileds, FormatType, FileName
// Purpose : Exports dataset into CSV / Excel format
private void Export_with_XSLT_Web(DataSet dsExport, string[] sHeaders, string[] sFileds, ExportFormat FormatType, string FileName)
{
try
{
// Appending Headers
response.Clear();
response.Buffer = true;
if (FormatType == ExportFormat.CSV)
{
response.ContentType = "text/csv";
response.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
else
{
response.ContentType = "application/vnd.ms-excel";
response.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
//response.BinaryWrite(Encoding.Unicode.GetPreamble());
// XSLT to use for transforming this dataset.
MemoryStream stream = new MemoryStream( );
XmlTextWriter writer = new XmlTextWriter(stream, Encoding.UTF8);
CreateStylesheet(writer, sHeaders, sFileds, FormatType);
writer.Flush( );
stream.Seek(0, SeekOrigin.Begin);
XmlDataDocument xmlDoc = new XmlDataDocument(dsExport);
//dsExport.WriteXml("Data.xml");
XslTransform xslTran = new XslTransform();
xslTran.Load(new XmlTextReader(stream), null, null);
System.IO.StringWriter sw = new System.IO.StringWriter();
xslTran.Transform(xmlDoc, null, sw, null);
//xslTran.Transform(System.Web.HttpContext.Current.Server.MapPath("Data.xml"), null, sw, null);
//Writeout the Content
response.Write(sw.ToString());
sw.Close();
writer.Close();
stream.Close();
response.End();
}
catch (ThreadAbortException Ex)
{
string ErrMsg = Ex.Message;
}
catch (Exception Ex)
{
throw Ex;
}
}
// Exports dataset into CSV / Excel format
private void ExportXSLT(DataSet dsExport, string[] sHeaders, string[] sFileds, ExportFormat FormatType, string FileName)
{
try
{
// Appending Headers
objHttpResponse.Clear();
objHttpResponse.Buffer = true;
if (FormatType == ExportFormat.CSV)
{
objHttpResponse.ContentType = "text/csv";
objHttpResponse.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
else
{
objHttpResponse.ContentType = "application/vnd.ms-excel";
objHttpResponse.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
// XSLT to use for transforming this dataset.
MemoryStream stream = new MemoryStream();
XmlTextWriter writer = new XmlTextWriter(stream, Encoding.UTF8);
CreateStylesheet(writer, sHeaders, sFileds, FormatType);
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
XmlDataDocument xmlDoc = new XmlDataDocument(dsExport);
//dsExport.WriteXml("Data.xml");
XslTransform xslTran = new XslTransform();
xslTran.Load(new XmlTextReader(stream), null, null);
System.IO.StringWriter sw = new System.IO.StringWriter();
xslTran.Transform(xmlDoc, null, sw, null);
//Writeout the Content
objHttpResponse.Write(sw.ToString());
sw.Close();
writer.Close();
stream.Close();
objHttpResponse.End();
}
catch (ThreadAbortException Ex)
{
string ErrMsg = Ex.Message;
}
catch (Exception Ex)
{
ErrorLog.WriteErrorLog("DB2Excel-ExportDetails", Ex);
}
}
private static void ResponseWrite(string Result, string FileName, string ContentType)
{
System.Web.HttpResponse Response = System.Web.HttpContext.Current.Response;
byte[] lstByte = System.Text.Encoding.UTF8.GetBytes(Result);
Response.ClearHeaders();
Response.ClearContent();
Response.ContentType = string.Format("{0}; charset=utf-8", ContentType);
Response.AppendHeader("Content-disposition", string.Format("attachment; filename=\"{0}\"", FileName));
Response.AppendHeader("Content-Length", lstByte.Length.ToString());
Response.BinaryWrite(lstByte);
Response.Flush();
Response.End();
}
private static void SetResponseHeader(HttpResponse response, string buildVersion)
{
if (WebVersionConfiguration.Settings.SendResponseHeader)
{
response.AppendHeader("X-Web-Version", buildVersion);
}
}
/// <summary>
/// 导出EXCEL（HTML格式的）
/// </summary>
/// <param name="ds">要导出的DataSet</param>
/// <param name="fileName"></param>
public static void CreateEXCEL(DataSet ds, string fileName)
{
System.Web.UI.WebControls.DataGrid dg = new DataGrid();
dg.DataSource = ds;
dg.DataBind();
for (int i = 0; i < dg.Items.Count; i++)
{
for (int j = 0; j < dg.Items[i].Cells.Count; j++)
{
dg.Items[i].Cells[j].Attributes.Add("style", "vnd.ms-excel.numberformat:@");
}
}
System.Web.HttpResponse Response = System.Web.HttpContext.Current.Response;
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName + ".xls", System.Text.Encoding.UTF8) + ";charset=GB2312");
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); //设置输出流为简体中文
Response.ContentType = "application/ms-excel"; //设置输出文件类型为excel文件。
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
System.Web.UI.WebControls.DataGrid DG = dg;
DG.RenderControl(oHtmlTextWriter);
Response.Write(oStringWriter.ToString());
Response.End();
}
/// <summary>
/// 将DataTable中的数据导出到指定的Excel文件中
/// </summary>
/// <param name="page">Web页面对象</param>
/// <param name="tab">包含被导出数据的DataTable对象</param>
/// <param name="fileName">Excel文件的名称</param>
public static bool Export(System.Web.UI.Page page, System.Data.DataTable tab, string fileName)
{
bool returnvalue = false;
System.Web.HttpResponse httpResponse = page.Response;
System.Web.UI.WebControls.DataGrid dataGrid = new System.Web.UI.WebControls.DataGrid();
dataGrid.DataSource = tab.DefaultView;
dataGrid.AllowPaging = false;
dataGrid.HeaderStyle.BackColor = System.Drawing.Color.BurlyWood;
dataGrid.HeaderStyle.HorizontalAlign = HorizontalAlign.Center;
dataGrid.HeaderStyle.Font.Bold = true;
dataGrid.DataBind();
httpResponse.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8)); //filename="*.xls";
httpResponse.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
httpResponse.ContentType = "application/ms-excel";
System.IO.StringWriter tw = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
dataGrid.RenderControl(hw);
string filePath = System.Web.HttpContext.Current.Server.MapPath("/BasicInfo/temp/") + fileName;
System.IO.StreamWriter sw = System.IO.File.CreateText(filePath);
sw.Write(tw.ToString());
sw.Close();
sw.Dispose();
returnvalue = DownFile(httpResponse, fileName, filePath);
httpResponse.End();
return(returnvalue);
}
public static void GZipEncodePage(HttpRequest Request, HttpResponse Response)
{
if (!IsGZipSupported(Request)) return;
string AcceptEncoding = Request.Headers["Accept-Encoding"];
if (AcceptEncoding.Contains("gzip"))
{
Response.Filter = new System.IO.Compression.GZipStream(Response.Filter, System.IO.Compression.CompressionMode.Compress);
Response.AppendHeader("Content-Encoding", "gzip");
}
else
{
Response.Filter = new System.IO.Compression.DeflateStream(Response.Filter, System.IO.Compression.CompressionMode.Compress);
Response.AppendHeader("Content-Encoding", "deflate");
}
}
private void AddHeadersToEnable403Cacheing(HttpResponse response)
{
var browser = HttpContext.Current.Request.Browser;
if (browser.IsBrowser("IE") && (browser.MajorVersion <= 6))
{
// Turn off caching due to issues with IE 6.0
response.Cache.SetCacheability(HttpCacheability.NoCache);
response.Cache.SetNoStore();
}
else
{
response.AppendHeader("Last-Modified", serverFingerprint.LastModifiedTime.ToString("r"));
response.AppendHeader("ETag", serverFingerprint.ETag);
response.AppendHeader("Cache-Control", "no-store");
}
}
//public static void DisableMasterPageStamp(Page page)
//{
// Validate.NotNull(page, "page");
// if (page.Master != null)
// {
// Control ctrl = page.Master.FindControl(DoubleSubmitStamp.MasterPageControlName);
// if (ctrl != null)
// ((DoubleSubmitStamp) ctrl).RenderStamp = false;
// }
//}
public static void MakePageExpired(HttpResponse response)
{
Validate.NotNull(response, "response");
response.Expires = 0;
response.Cache.SetNoStore();
response.AppendHeader("Pragma", "no-cache");
}
public void prepareExcelFile(string name, System.Web.HttpResponse resp)
{
resp.ClearContent();
resp.ClearHeaders();
resp.AppendHeader("Content-Disposition", "attachment; filename=" + name + "_" + DateTime.Now.ToString("yyyyMMdd") + ".xls");
resp.ContentType = "application/vnd.ms-excel";
}
/// <summary>
/// ����IHttpHandler����
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(HttpContext context)
{
Request = context.Request;
Response = context.Response;
Session = context.Session;
VerifyImage dt_verifyImage = new VerifyImage();
dt_verifyImage._Random = new Random();
dt_verifyImage._Code = dt_verifyImage.GetRandomCode();
dt_verifyImage.BackColor = ColorTranslator.FromHtml("#edf8fe");
Session["SystemCode"] = dt_verifyImage._Code;
///����û�л���
Response.Buffer = true;
Response.ExpiresAbsolute = System.DateTime.Now.AddSeconds(-1);
Response.Expires = 0;
Response.CacheControl = "no-cache";
Response.AppendHeader("Pragma", "No-Cache");
Bitmap objBitmap = dt_verifyImage.GetVerifyImage();
objBitmap.Save(Response.OutputStream, ImageFormat.Gif);
if (null != objBitmap)
objBitmap.Dispose();
Response.ContentType = "image/gif";
Response.Write(Response.OutputStream);
}
private static void MapResponseToHttpResponse(Response response, HttpResponse httpResponse)
{
response.Headers.ForEach(header => httpResponse.AppendHeader(header.Key, header.Value));
httpResponse.StatusCode = response.StatusCode;
httpResponse.ContentType = response.ContentType;
response.Contents.Invoke(httpResponse.OutputStream);
}
public static void ExportToExcel(System.Web.HttpResponse Response, string datos)
{
Response.Clear();
Response.Write(datos);
Response.ContentType = "application/vnd.ms-excel";
Response.AppendHeader("Content-Disposition", "attachment; filename=Informe.xls");
Response.End();
}
public static void EncodeStreamAndAppendResponseHeaders(HttpResponse response, string acceptEncoding)
{
if (acceptEncoding == null) return;
var preferredEncoding = ParsePreferredEncoding(acceptEncoding);
if (preferredEncoding == null) return;
response.AppendHeader("Content-Encoding", preferredEncoding);
response.AppendHeader("Vary", "Accept-Encoding");
if (preferredEncoding == "deflate")
{
response.Filter = new DeflateStream(response.Filter, CompressionMode.Compress, true);
}
if (preferredEncoding == "gzip")
{
response.Filter = new GZipStream(response.Filter, CompressionMode.Compress, true);
}
}
public static void DownloadFile(System.Web.HttpResponse Response, string filePath)
{
Byte[] file = File.ReadAllBytes(filePath);
File.Delete(filePath);
Response.ContentType = "documento/" + Path.GetExtension(filePath).ToUpper();
Response.AppendHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(filePath));
Response.BinaryWrite(file);
Response.End();
}
public void SetupResponse(System.Web.HttpResponse response, string fileName)
{
response.ClearHeaders();
response.Clear();
response.Cache.SetCacheability(System.Web.HttpCacheability.Private);
response.Cache.SetMaxAge(new TimeSpan(0));
response.Cache.SetExpires(new DateTime(0));
response.Cache.SetNoServerCaching();
response.AppendHeader("Content-Disposition", ("attachment; filename=\"" + (fileName + "\"")));
}
/// <summary>
/// Sends the file to the response with content-length header
/// Works with all types of files, not image specific
/// </summary>
/// <param name="response"></param>
/// <param name="file"></param>
/// <param name="mimetype"></param>
private static void SendToResponse(HttpResponse response, byte[] fileContent, DateTime lastWriteTime, string mimetype)
{
response.ClearHeaders();
setCacheHeaders(response);
response.Cache.SetLastModified(lastWriteTime); // to avoid rounding problems with header (no millisecs there)
response.ContentType = mimetype;
response.AppendHeader("Content-Length", fileContent.Length.ToString());
response.BinaryWrite(fileContent);
response.End();
}
private void ExportwithXSLT(DataSet dsExport, string[] sHeaders, string[] sFileds, string FormatType, string FileName)
{
try
{
response.Clear();
response.Buffer = true;
if (FormatType == ExportFormat.CSV.ToString())
{
response.ContentType = "text/csv";
response.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
else
{
response.ContentType = "application/vnd.ms-excel";
response.AppendHeader("content-disposition", "attachment; filename=" + FileName);
}
MemoryStream stream = new MemoryStream();
XmlTextWriter writer = new XmlTextWriter(stream, Encoding.UTF8);
CreateStylesheet(writer, sHeaders, sFileds, FormatType);
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
XmlDataDocument xmlDoc = new XmlDataDocument(dsExport);
XslTransform xslTran = new XslTransform();
xslTran.Load(new XmlTextReader(stream), null, null);
System.IO.StringWriter sw = new System.IO.StringWriter();
xslTran.Transform(xmlDoc, null, sw, null);
response.Write(sw.ToString());
sw.Close();
writer.Close();
stream.Close();
response.End();
}
catch (ThreadAbortException Ex)
{
string ErrMsg = Ex.Message;
}
catch (Exception Ex)
{
throw Ex;
}
}
public virtual void Export(ContentItem item, ExportOptions options, HttpResponse response)
{
response.ContentType = GetContentType();
response.AppendHeader("Content-Disposition", "attachment;filename=" + GetExportFilename(item));
using (var output = GetTextWriter(response))
{
Export(item, options, output);
output.Flush();
}
response.End();
}
/// <summary>
/// Sends the file to the response with content-length header. will check last-writetime for sending modified header
/// </summary>
/// <param name="Response"></param>
/// <param name="file"></param>
/// <param name="mimetype"></param>
/// <remarks>Works with all types of files, not image specific</remarks>
public void SendToResponse(HttpResponse Response, FileInfo file, string mimetype)
{
Response.ClearHeaders();
setCacheHeaders(Response);
//Response.Cache.SetETag("\"999ed196eeb0cc1:9\"");
Response.Cache.SetLastModified(file.LastWriteTime);
Response.ContentType = mimetype;
Response.AppendHeader("Content-Length", file.Length.ToString());
Response.WriteFile(file.FullName);
Response.End();
}
public void Genratewordtext(string str_text, string filename)
{
try
{
string temp_path = "";
string strFileName = filename + ".doc";
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.Clear();
response.AppendHeader("Content-Type", "application/msword");
response.AppendHeader("Content-disposition", "attachment; filename=" + strFileName);
response.Write(str_text);
response.End();
}
catch (Exception EX)
{
//return "";
throw EX;
}
}
/// <summary>
/// 把DataTable导出为Word文件
/// </summary>
/// <param name="page">Page</param>
/// <param name="fileName">Word文件名(不包括后缀*.doc)</param>
/// <param name="dtbl">将要被导出的DataTable对象</param>
/// <returns></returns>
public static bool DataTableToWord(System.Web.HttpResponse response, string fileName, DataTable dtbl)
{
response.Clear();
response.Buffer = true;
response.Charset = "UTF-8";
response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName + ".doc");
response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
response.ContentType = "application/ms-word";
//page.EnableViewState = false;
response.Write(DataTableToHtmlTable(dtbl));
response.End();
return(true);
}
public void DownloadFile()
{
string filePath = Server.MapPath("~/Files_SelfEmployment/App/") + "Test" + ".pdf";
//This is used to get the current response.
System.Web.HttpResponse res = GetHttpResponse();
res.Clear();
res.AppendHeader("content-disposition", "attachment; filename=" + filePath);
res.ContentType = "application/octet-stream";
res.WriteFile(filePath);
res.Flush();
res.End();
}
public void Render(HttpResponse response)
{
string serializedItems = ToString();
response.Clear();
var calendarName = _calendarName.Replace(',', ' ');
response.AppendHeader("Content-Disposition",
String.Format("attachment; filename={0}.ics",
HttpUtility.UrlPathEncode(calendarName)));
response.ContentType = "text/calendar";
response.Write(serializedItems);
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="FileLoc">文件真实路径</param>
/// <param name="FileName">显示文件名</param>
public static void DownloadFile(string FileLoc, string FileName)
{
System.IO.FileInfo objFile = new System.IO.FileInfo(FileLoc);
System.Web.HttpResponse objResponse = System.Web.HttpContext.Current.Response;
string truefilename = objFile.Name;
if (HttpContext.Current.Request.UserAgent.IndexOf("; MSIE ") > 0)
{
truefilename = HttpUtility.UrlEncode(truefilename, System.Text.Encoding.UTF8);
}
if (objFile.Exists)
{
objResponse.ClearContent();
objResponse.ClearHeaders();
objResponse.AppendHeader("content-disposition", "attachment; filename=\"" + HttpUtility.UrlEncode(FileName) + "\"");
objResponse.AppendHeader("Content-Length", objFile.Length.ToString());
objResponse.ContentType = GetContentType(objFile.Extension.Replace(".", ""));
WriteFile(objFile.FullName);
objResponse.Flush();
objResponse.End();
}
}
/// <summary>
/// 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))
{
HttpContext context = System.Web.HttpContext.Current;
System.Web.HttpResponse response = context.Response;
response.Clear();
response.AppendHeader("Content-Type", "application/octet-stream");
response.Charset = encoding.BodyName;// "utf-8";
//if (AppConfig. !context.Request.UserAgent.Contains("Firefox") && !context.Request.UserAgent.Contains("Chrome"))
//{
fileName = HttpUtility.UrlEncode(fileName, encoding);
//}
response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
response.BinaryWrite(ms.GetBuffer());
ms.Close();
ms = null;
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;
}
private static List<string> RespHeaders = new List<string>() { "ETag", "Content-Disposition", "Content-Encoding", "Cache-Control" };//, "Expires", "Pragma"};
protected virtual void ProxyResponse(HttpResponse target, HttpWebResponse source)
{
target.StatusCode = (int)source.StatusCode;
target.Charset = source.CharacterSet;
target.ContentType = source.ContentType;
foreach (string H in RespHeaders)
{
var V = source.Headers[H];
if (V != null)
target.AppendHeader(H, V);
}
using (var RespStream = source.GetResponseStream())
RespStream.CopyTo(target.OutputStream);
}
/// <summary>
/// 将workbook从浏览器端下载
/// </summary>
/// <param name="workbook">Workbook</param>
/// <param name="response">HttpResponse</param>
/// <param name="filename">保存的文件名</param>
public static void Download(Workbook workbook, System.Web.HttpResponse response, string filename = null)
{
if (string.IsNullOrEmpty(filename))
{
filename = DateTime.Now.ToString("yyyyMMdd_hhMMssfff") + ".xls";
}
response.Clear();
response.Buffer = true;
response.Charset = "utf-8";
response.AppendHeader("Content-Disposition", "attachment;filename=" + filename);
response.ContentEncoding = System.Text.Encoding.UTF8;
response.ContentType = "application/ms-excel";
response.BinaryWrite(workbook.SaveToStream().ToArray());
response.End();
}
/// <summary>
/// Create an Excel file, and write it out to a MemoryStream (rather than directly to a file)
/// </summary>
/// <param name="ds">DataSet containing the data to be written to the Excel.</param>
/// <param name="filename">The filename (without a path) to call the new Excel file.</param>
/// <param name="Response">HttpResponse of the current page.</param>
/// <returns>Either a MemoryStream, or NULL if something goes wrong.</returns>
public static bool CreateExcelDocumentAsStream(DataSet ds, string filename, System.Web.HttpResponse Response)
{
try
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
using (SpreadsheetDocument document = SpreadsheetDocument.Create(stream, SpreadsheetDocumentType.Workbook, true))
{
WriteExcelFile(ds, document);
}
stream.Flush();
stream.Position = 0;
Response.ClearContent();
Response.Clear();
Response.Buffer = true;
Response.Charset = "";
// NOTE: If you get an "HttpCacheability does not exist" error on the following line, make sure you have
// manually added System.Web to this project's References.
Response.Cache.SetCacheability(System.Web.HttpCacheability.NoCache);
Response.AddHeader("content-disposition", "attachment; filename=" + filename);
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
Response.AppendHeader("content-length", stream.Length.ToString());
byte[] data1 = new byte[stream.Length];
stream.Read(data1, 0, data1.Length);
stream.Close();
Response.BinaryWrite(data1);
Response.Flush();
// Feb2015: Needed to replace "Response.End();" with the following 3 lines, to make sure the Excel was fully written to the Response
System.Web.HttpContext.Current.Response.Flush();
System.Web.HttpContext.Current.Response.SuppressContent = true;
System.Web.HttpContext.Current.ApplicationInstance.CompleteRequest();
return(true);
}
catch (Exception ex)
{
Trace.WriteLine("Failed, exception thrown: " + ex.Message);
// Display an error on the webpage.
System.Web.UI.Page page = System.Web.HttpContext.Current.CurrentHandler as System.Web.UI.Page;
page.ClientScript.RegisterStartupScript(page.GetType(), "log", "console.log('Failed, exception thrown: " + ex.Message + "')", true);
return(false);
}
}
public virtual void sendResponse(HttpResponse response) {
response.ContentType = "text/xml";
if (compressResponse) {
response.Filter = new GZipStream(response.Filter, CompressionMode.Compress, true);
response.AppendHeader("Content-encoding", "gzip");
}
using(StreamWriter responseWriter = new StreamWriter(response.OutputStream, Encoding.UTF8)) {
XmlDocument responseDocument = createResponseDocument();
if (attachSignature)
signDocument(responseDocument);
responseDocument.Save(responseWriter);
responseDocument = null;
}
}
protected void imgFileEdmilson_Click(object sender, ImageClickEventArgs e)
{
string jogos = "jogosByConfig.txt";
string pathJogos = Server.MapPath(Path.Combine("~", jogos));
// Prompts user to save file
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.AddHeader("Content-Length", pathJogos.Length.ToString());
response.ContentType = "text/plain";
response.AppendHeader("Content-Disposition", "attachment; filename=" + jogos + ";");
response.TransmitFile(pathJogos);
response.End();
HttpContext.Current.ApplicationInstance.CompleteRequest();
}
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();
}
}
}
private void descargarArchivo(string nombreArchivo, string dirCompleto)
{
try
{
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.Clear();
response.ContentType = "application/octet-stream";
response.AppendHeader("Content-Disposition", "attachment; filename=" + nombreArchivo + ";");
//response.TransmitFile(Server.MapPath("~/File/001.jpg"));
response.TransmitFile(dirCompleto);
HttpContext.Current.ApplicationInstance.CompleteRequest();
// Causes ASP.NET to bypass all events and filtering in the HTTP pipeline chain of execution and directly execute the EndRequest event.
}
catch (Exception ex)
{
Response.Write("<script>alert('" + ex.ToString() + "')</script>");
}
}
internal static void ProcessRequestInternal(HttpContext context, string overrideVirtualPath)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
if (!ProcessRequestForNonMapPathBasedVirtualFile(request, response, overrideVirtualPath))
{
string path;
string physicalPath;
if (overrideVirtualPath == null)
{
path = request.Path;
physicalPath = request.PhysicalPath;
}
else
{
path = overrideVirtualPath;
physicalPath = request.MapPath(overrideVirtualPath);
}
FileInfo info = GetFileInfo(path, physicalPath, response);
DateTime lastModified = new DateTime(info.LastWriteTime.Year, info.LastWriteTime.Month, info.LastWriteTime.Day, info.LastWriteTime.Hour, info.LastWriteTime.Minute, info.LastWriteTime.Second, 0);
DateTime now = DateTime.Now;
if (lastModified > now)
{
lastModified = new DateTime(now.Ticks - (now.Ticks % 0x989680L));
}
string etag = GenerateETag(context, lastModified, now);
long length = info.Length;
string str4 = request.Headers["Range"];
if (!StringUtil.StringStartsWithIgnoreCase(str4, "bytes") || !ProcessRangeRequest(context, physicalPath, length, str4, etag, lastModified))
{
SendFile(physicalPath, 0L, length, length, context);
response.ContentType = MimeMapping.GetMimeMapping(physicalPath);
response.AppendHeader("Accept-Ranges", "bytes");
response.AddFileDependency(physicalPath);
response.Cache.SetIgnoreRangeRequests();
response.Cache.SetExpires(DateTime.Now.AddDays(1.0));
response.Cache.SetLastModified(lastModified);
response.Cache.SetETag(etag);
response.Cache.SetCacheability(HttpCacheability.Public);
}
}
}
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 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();
}
}
}
/// <summary>
/// 输入下载的文件
/// </summary>
/// <param name="Response">用于输出的对像</param>
/// <param name="fileName">输出文件名</param>
/// <param name="fullPath">输出路径</param>
private static bool DownFile(System.Web.HttpResponse Response, string fileName, string fullPath)
{
try
{
Response.ContentType = "application/octet-stream";
Response.AppendHeader("Content-Disposition", "attachment;filename=" +
HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8) + ";charset=UTF-8");
System.IO.FileStream fs = System.IO.File.OpenRead(fullPath);
long fLen = fs.Length;
int size = 102400; //每100K同时下载数据
byte[] readData = new byte[size]; //指定缓冲区的大小
if (size > fLen)
{
size = Convert.ToInt32(fLen);
}
long fPos = 0;
bool isEnd = false;
while (!isEnd)
{
if ((fPos + size) > fLen)
{
size = Convert.ToInt32(fLen - fPos);
readData = new byte[size];
isEnd = true;
}
fs.Read(readData, 0, size);//读入一个压缩块
Response.BinaryWrite(readData);
fPos += size;
}
fs.Close();
fs.Dispose();
System.IO.File.Delete(fullPath);
return(true);
}
catch
{
return(false);
}
}
public static void SetValue(HttpResponse response, string type, string key, string value)
{
try
{
switch (type)
{
case "cookie":
HttpCookie cookie = new HttpCookie(key, value);
response.Cookies.Set(cookie);
break;
case "headers":
response.AppendHeader(key, value);
break;
default:
break;
}
}
catch (Exception e)
{
Debug.WriteLine("Error: " + e.Message);
}
}
public static void Exportar(string nombreArchivo, IList titulos, IList propiedades, IList elementos, HttpResponse response, string tituloPrincipal)
{
string pathArchivo = ConfigurationManager.AppSettings["PATH_TEMP"] + nombreArchivo;
FileInfo archivo = new FileInfo(pathArchivo);
StreamWriter handlerArchivo = archivo.CreateText();
handlerArchivo.WriteLine(tituloPrincipal);
// Escribir encabezado
string linea = "";
foreach (string titulo in titulos)
{
linea += "=CONCATENAR(\"\";\"" + titulo + "\";\"\")\t";
}
handlerArchivo.WriteLine(linea);
// Escribir contenido
foreach (object elemento in elementos)
{
linea = "";
foreach (string propiedad in propiedades)
{
linea += "=CONCATENAR(\"\";\"" + ReflectionUtils.GetProperty(elemento, propiedad) + "\";\"\")\t";
}
handlerArchivo.WriteLine(linea);
}
// Genero la salida
handlerArchivo.Close();
response.AppendHeader("content-disposition", "attachment; filename=" + nombreArchivo);
response.ContentType = "application / msexcel";
response.WriteFile(pathArchivo);
response.End();
}
/// <summary>
/// 输出一个图片到输出流
/// </summary>
/// <param name="Response"></param>
/// <param name="b"></param>
/// <param name="img_format"></param>
public static void OutPutImage(System.Web.HttpResponse Response, Bitmap b, System.Drawing.Imaging.ImageFormat img_format, TimeSpan?freshness, int quality_num)
{
Response.Clear();
Response.BufferOutput = false; //提高效率
if (freshness.HasValue) //要缓冲
{
DateTime now = DateTime.Now;
Response.Cache.SetExpires(now.Add((TimeSpan)freshness));
Response.Cache.SetMaxAge((TimeSpan)freshness);
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.SetValidUntilExpires(true);
}
else
{
Response.Cache.SetExpires(DateTime.Now.AddSeconds(-1)); //特别注意
Response.Cache.SetCacheability(HttpCacheability.NoCache); //特别注意
Response.AppendHeader(" Pragma", "No-Cache"); //特别注意
}
ImageCodecInfo myImageCodecInfo = ZImage.GetEncoder(img_format);
System.Drawing.Imaging.Encoder myEncoder;
EncoderParameter myEncoderParameter;
EncoderParameters myEncoderParameters;
myEncoder = System.Drawing.Imaging.Encoder.Quality;
myEncoderParameters = new EncoderParameters(1);
myEncoderParameter = new EncoderParameter(myEncoder, (long)quality_num);//quality_num + "L"); // 0-100
myEncoderParameters.Param[0] = myEncoderParameter;
Response.ContentType = GetContentTypeFromImageFormat(img_format);
b.Save(Response.OutputStream, myImageCodecInfo, myEncoderParameters);
HttpContext.Current.ApplicationInstance.CompleteRequest();
}
/// <summary>
/// 导出文本
/// </summary>
/// <param name="exportStr">导出的文本</param>
/// <param name="fileName">导出的文件名</param>
private static void RenderToDaoChu(string exportStr, string fileName)
{
System.Web.HttpResponse Response = System.Web.HttpContext.Current.Response;
if ("" == exportStr)
{
return;
}
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8) + ";charset=GB2312");
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); //设置输出流为简体中文
Response.ContentType = "application/ms-excel"; //设置输出文件类型为excel文件。
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
oHtmlTextWriter.Write(exportStr);
Response.Write(oStringWriter.ToString());
Response.End();
}
/// <summary>
/// Sets No Chache to Cliente browser
/// </summary>
/// <param name="response"></param>
public static void SetNoCacheNoStore(HttpResponse response)
{
response.ClearHeaders();
response.AppendHeader("Cache-Control", "no-cache"); //HTTP 1.1
response.AppendHeader("Cache-Control", "private"); // HTTP 1.1
response.AppendHeader("Cache-Control", "no-store"); // HTTP 1.1
response.AppendHeader("Cache-Control", "must-revalidate"); // HTTP 1.1
response.AppendHeader("Cache-Control", "max-stale=0"); // HTTP 1.1
response.AppendHeader("Cache-Control", "post-check=0"); // HTTP 1.1
response.AppendHeader("Cache-Control", "pre-check=0"); // HTTP 1.1
response.AppendHeader("Pragma", "no-cache"); // HTTP 1.1
response.AppendHeader("Keep-Alive", "timeout=3, max=993"); // HTTP 1.1
response.AppendHeader("Expires", "Mon, 26 Jul 1997 05:00:00 GMT"); // HTTP 1.1
response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1));
response.Cache.SetCacheability(HttpCacheability.Private);
response.Cache.SetNoStore();
}
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.Status = "301 Moved Permanently";
response.AppendHeader("X-Redirect-Reason",
result.Reason.ToString().Replace("_", " ") + " Requested");
response.AddHeader("Location", result.FinalUrl);
response.End();
}
}
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 HandleBadRequest(string message, HttpResponse response)
{
response.StatusCode = 400;
response.ContentType = "text/plain";
response.AppendHeader("Content-Length", message.Length.ToString());
response.Write(message);
response.Flush();
}
/// <summary>
/// Clears response header whitout harming http-compression header
/// </summary>
public static void ClearHeadersButSaveEncoding(HttpResponse response)
{
HttpCookie cookie = response.Cookies[Consts.FrontEndPresentation.HttpCompressor];
string encode = cookie[Consts.FrontEndPresentation.HttpCompressEncoding];
response.ClearHeaders();
if (string.IsNullOrEmpty(encode))
return;
response.AppendHeader("Content-Encoding", encode);
}
protected virtual void ApplyHeadersToResponse(HttpResponse response)
{
if (_webData != null && _webData.ResponseInfo.Headers != null)
{
WebHeaderCollection coll = _webData.ResponseInfo.Headers;
for (int i = 0; i < coll.Count; i++)
{
try
{
response.AppendHeader(coll.GetKey(i), coll[i]);
}
catch { }
}
}
}
public void ProcessRequest(HttpContext context)
{
string sPath = string.Empty;
string sNomFactura = oWeb.GetData("sNomFactura");
string sNumContrato = oWeb.GetData("sNumContrato");
DBConn oConn = new DBConn();
if (oConn.Open())
{
cContratos oContratos = new cContratos(ref oConn);
oContratos.NumContrato = sNumContrato;
DataTable dtContrato = oContratos.Get();
if (dtContrato != null)
{
if (dtContrato.Rows.Count > 0)
{
cCliente oCliente = new cCliente(ref oConn);
oCliente.NkeyCliente = dtContrato.Rows[0]["nkey_cliente"].ToString();
DataTable dtCliente = oCliente.Get();
if (dtCliente != null)
{
if (dtCliente.Rows.Count > 0)
{
sPath = dtCliente.Rows[0]["pathsdocscaneados"].ToString() + "\\" + dtCliente.Rows[0]["direcarchivos"].ToString();
}
}
dtContrato = null;
}
}
}
oConn.Close();
System.Web.HttpResponse oResponse = System.Web.HttpContext.Current.Response;
sPath = sPath + "\\" + sNomFactura + ".pdf";
oResponse.ContentType = "application/pdf";
oResponse.AppendHeader("Content-Disposition", "attachment; filename=" + sNomFactura + ".pdf");
// 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 void AppendHeader(HttpResponse response)
{
response.AppendHeader("Content-Encoding", EncodingName);
}
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();
}
