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ASPProtect 7.x Documentation
 CJWSoft Support Info : ASPProtect 7.x Documentation
Subject Info: File Download Protection A d d  -  P o s tAdd P o s t
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cwilliams
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CJWSoft Web Software Developer

Joined: April/06/2004
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Added: March/02/2005 at 1:18pm | IP Logged Quote cwilliams

ASPProtect v7 comes with working example code of protecting a file download.

This comes with the system as an example folder with some files in it.

(some of the initial purchaser's of the system might not have that directory.. if that is the case please ask)

Here is how it works...

Basically we protect the file download by only allowing a logged in user to download it. The special ".asp" page we use to stream the file is password protected. It also hides the true location of the file so you can keep your files out of your web or keep them in a folder in your web that does not allow file browsing. Under this scenario even if someone looks at the html source they can not tell where the file really came from and they can only download if they are logged in and you offered them the link to the file.

For the file download protection examples to work you may need to edit some values
in the stream_download.asp file that are valid for your setup.

Look at the source. The values you can edit are commented.

Now, you also need to call a valid "download file name" from the download_link.asp file which is an example of how make a download link to the streamed download.

Lastly, we provide a working example. Now, you obviously may need to customize it to fit your needs. Please realize you are going to have to make special download links in your .asp pages and not only should you only show those links to people with appropriate access to download the files, but you should also protect the streaming download page accordingly as well as far as level, groups, and particular users. What I am saying is which files a particular user is allowed to download is not automatically handled by ASPProtect in any way. We give you all the tools to provide protected downloads to logged in users, but if you have complex needs you’re probably going to need to come up with a system that works for you. It's not really difficult because we did all the complicated stuff, but its something you have to sort out.

Perhaps someday in the future ASPProtect will have an interface to upload files and associate them with certain users. But at the moment it does not.



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Best Regards, Christopher Williams www.CJWSoft.com
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