public static string GetFilename(string docData)
{
IDocTextInterpreter _IDocDataInterpreter = DocInterpreter.LocateInstance(docData);
DocProcessingInstructions _DocProcessingInstructions = _IDocDataInterpreter.ReadDocPI(docData);
return(GetFilename(_DocProcessingInstructions, _IDocDataInterpreter));
}
public static string BuildHref(HttpContext context, IDocTextInterpreter _IDocDataInterpreter, string DocTypeName, string solutionVersion)
{
string ashxFilename = context.Request.Url.AbsoluteUri.Substring(context.Request.Url.AbsoluteUri.LastIndexOf('/') + 1).Replace(context.Request.Url.Query, "");
string href = string.Empty;
href = new Uri(string.Format("{0}/{1}/{2}/{3}/{4}",
context
.Request
.Url
.AbsoluteUri
.Replace(context.Request.Url.Query, "")
.Replace(ashxFilename, "")
.TrimEnd('/'),
FilesystemTemplateController.DirectoryName,
DocTypeName,
solutionVersion,
_IDocDataInterpreter.HrefVirtualFilename(DocTypeName, solutionVersion))).ToString();
// Is this request coming in from a "proxying listener"?
if (!string.IsNullOrWhiteSpace(context.Request.Params[Parm.RelayUrl]))
{
href =
context.Request.Params[Parm.RelayUrl]
+ href.Substring(
href.ToLower().IndexOf(context.Request.ApplicationPath.ToLower())
+ context.Request.ApplicationPath.Length);
}
return(href);
}
/// <summary>
/// DocFileName changes the filename of the response
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(HttpContext context)
{
try
{
// ensure the latest content has been processed & imported
ImporterController.ImportDocModelsRunOnce();
string docData = Nav.FromQueryParameters(context.Request.Params);
IDocTextInterpreter _IDocDataInterpreter = DocInterpreter.LocateInstance(docData);
DocProcessingInstructions _DocProcessingInstructions = _IDocDataInterpreter.ReadDocPI(docData);
_DocProcessingInstructions.href = BuildHref(context, _IDocDataInterpreter, _DocProcessingInstructions.DocTypeName, _DocProcessingInstructions.solutionVersion);
docData = _IDocDataInterpreter.WritePI(docData, _DocProcessingInstructions);
context.Response.DisableKernelCache();
context.Response.Clear();
context.Response.ClearContent();
context.Response.ClearHeaders();
context.Response.ContentType = _IDocDataInterpreter.ContentType;
context.Response.AddHeader(
"content-disposition",
string.Format(
"attachment; filename=\"{0}\";",
GetFilename(
_DocProcessingInstructions,
_IDocDataInterpreter,
context.Request.Params["ContentFileExtension"])));
context.Response.Write(docData);
} catch (Exception ex)
{
context.Response.ClearHeaders();
context.Response.ClearContent();
context.Response.Status = "500 Internal Server Error";
context.Response.StatusCode = 500;
context.Response.StatusDescription = string.Format("500 Internal Server Error:\n{0}", ex.AsString());
context.Response.TrySkipIisCustomErrors = true;
}
}
private static string GetFilename(DocProcessingInstructions _DocProcessingInstructions, IDocTextInterpreter _IDocDataInterpreter, string ContentFileExtension = null)
{
return(string.Format(
"{0}.{1}",
FileSystem.CleanFileName(_DocProcessingInstructions.DocTitle).Trim(),
string.IsNullOrWhiteSpace(ContentFileExtension)
? _IDocDataInterpreter.ContentFileExtension
: ContentFileExtension));
}