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Display pdf through impersonate does not work
Message
From
11/03/2011 13:40:13
 
 
To
11/03/2011 12:00:04
General information
Forum:
ASP.NET
Category:
Other
Environment versions
Environment:
ASP.NET
OS:
Windows XP SP2
Network:
Windows 2003 Server
Database:
MS SQL Server
Application:
Web
Miscellaneous
Thread ID:
01503266
Message ID:
01503382
Views:
21
>>>>Hello Everybody.
>>>>
>>>>I got some problems with impersonation.
>>>>
>>>>I have created a asp.net intranet site. The short of it is that the end user gets a grid displayed with pdf files. The pdf files are located on another sever behind locked security to which the enduser has no directly access.
>>>>
>>>>When the user clicks on a file in the grid the site should display the pdf file in an embeded pdf viewer on that page. In order to accomplish this i use impersonation in the code-behind secion.
>>>>Using impersonationContext As New WindowsImpersonationContextFacade()
>>>>   Me.ShowPdf1.FilePath = c_TempFilePath
>>>>End Using
>>>>(Note: this code is used from here with some modifications to fit my purposes. I also know this works because i use the exact same code in a vb.net app to access the same files successfully.)
>>>>
>>>>As long as i am testing this (domain admin with rights to that repository) it works fine - so i know the basic loading of the file works. However, for the enduser it does not work. They don't get an error, but the pdf does not display.
>>>>
>>>>My assumption is that the file does not actually get loaded in the behind-code but that code only passes the info to the client and the client loads the file.
>>>>
>>>>If that is true, that would explain the failure as the client does not have the read right to the repository and the impersonation is already gone.
>>>>
>>>>Question:
>>>>- am i correct with my assumption?
>>>>- how do I do this correctly?
>>>>
>>>>As always - thank you for your great help!
>>>
>>>
>>>What does ShowPDF method do?
>>>
>>>If it isn't sending pulling the file as a filestream (or some other mechanism of getting the file to the webserver app) and then presenting the file to the client, your impersonation will make no difference.
>>
>>Hello William
>>
>>Thanks for your reply!
>>
>>The ShowPDF1 is acually an object (bad naming i know :-) ).
>>that object is based on this. Which, If i understood this correctly just passes the full pdf file path/name to the object.
>
>Does anyone know as to how to stream a pdf file to an embeded pdf viewer/reader on a web page?

I think I just answered this one elsewhere in the thread. If you need more specifics let me know....
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