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POASP.Net MVC3 app downloading files to client from another network server
 

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    <p>We currently use the code below to download files from a network server to the client in an old ASP.net page. </p> <p>We have re-written the app in MVC3 and would like to upgrade this functionality. I have seen several posts that claim you can access the file from the network share by writing the following lines in web.config</p> <pre><code>&lt;authentication mode="Windows"/&gt; &lt;identity impersonate="true" userName="" password="" /&gt; </code></pre> <p>However, we are currently using Forms authentication mode to logon to the site. Would that interfere with the login functionality?</p> <p>Here's our download code.</p> <pre><code>Partial Class DownloadFile2 Inherits System.Web.UI.Page Private BufferSize As Integer = 32 * 1024 Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim path As String = Request.Params("File") path = "\\speedy\wanfiles\" + path.Substring(3) Dim file As System.IO.FileInfo = New System.IO.FileInfo(path) Dim Buffer(BufferSize) As Byte Dim SizeWritten, fileindex As Integer Response.Clear() Response.AddHeader("Content-Disposition", "attachment; filename=" + file.Name) Response.AddHeader("Content-Length", file.Length.ToString) Response.ContentType = "application/octet-type" Response.Flush() fileindex = 0 Do // not sure about this GM.AlasData code below SizeWritten = GM.AlasData.ReadFileBlock(file.FullName, Buffer, fileindex, BufferSize) Response.OutputStream.Write(Buffer, 0, SizeWritten) Response.Flush() If SizeWritten &lt; BufferSize Then Exit Do Else fileindex = fileindex + SizeWritten End If Loop Response.End() End Sub End Class </code></pre> <p>I found this code to do downloads using MVC3 but cannot access the file because it is considered a local file.</p> <pre><code>public FileResult Download(string FilePath) { if (FilePath != null) { string path = FilePath; string contentType; // files are stored on network server named speedy path = string.Concat(@"\\speedy\files\", HttpUtility.UrlDecode(path)); System.IO.FileInfo file = new System.IO.FileInfo(path); Microsoft.Win32.RegistryKey rk = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(file.Extension.ToLower()); if (rk != null &amp;&amp; rk.GetValue("Content Type") != null) { contentType = rk.GetValue("Content Type").ToString(); } else { contentType = "application/octet-type"; } //Parameters to file are //1. The File Path on the File Server //2. The content type MIME type //3. The parameter for the file save by the browser return File(file.FullName, contentType, file.Name); } else { return null; } } </code></pre> <p>What needs to be done to fix this where we can perform this functionality?</p>
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    1. CO"cannot access the file because it is considered a local file" - what do you mean by this?
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    2. COThe question explains that I'm trying to access a file on a network server different from my web server.
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