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Old 02-10-2016, 10:09 AM   #1
Registered: Jan 2005
Location: Dallas, TX
Distribution: Slackware 14.1
Posts: 79

Rep: Reputation: 15
Make private document available for download through web page after login

There is a program in cgi-bin (written in C) that generates the html pages the user sees after they log in. The program creates various files (zip, PDF, etc) and makes them available for download. These are sensitive documents and can not be put in a public area for download.

It is possible to create a PDF in a non public directory then write the file to stdout and it displays the PDF in the browser. However, when trying to do the same with a zip file the contents of the file are displayed in the browser - as if the zip file had been opened with a text editor.

It seems there must be a common way to handle this issue since banks and other institutions allow you download statements and other private documents. However, I seem to be using the wrong search terms and can't find anything except for a possible PHP solution. Maybe it is as simple as somehow telling the browser what to do with the file?

Thanks in advance for any advice.
Old 02-10-2016, 10:35 AM   #2
Registered: Nov 2015
Posts: 104

Rep: Reputation: 38
before you print out the contents of the file, you need to set the content type header, which in this case should be application/octet-stream.

See this link for ideas.


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