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Protecting pages with include files

, 14 Sep 2000
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An article on how to easily password protect a site using include files

Introduction

In this article I will show you how to authenticate users so as to protect pages from being seen without permission. It uses a set of ASP files that will be included to each page that needs protection.

In the example the authetication occurs with a couple of StrComp comparsions, but in real world it should be done using a table or a COM component.

These are the necessary asp files with a explanation of its use:

Login.asp This file ask for the userID and password
LoginCheck.asp This file checks if the userID and password are OK. If so it redirects to the correct page, otherwise it redirects to the Access Denied page
AcessDenied.asp This is the file with the Access Denied message, nothing more
Pages.asp To be able to redirect to the right page after the login I gave each page a unique identifier. So this file has the list of pages and it's identifier. The URL is retrieved from the function GetURLFromNumber
Protector.asp This file must be included in each page that needs protection. Before its inclusion an identifier called nURLID must be declared with the value of the identifier for this page (see Pages.asp).

To see it working click here

More information about include files can be found typing "#include" on the Index page of MSDN.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

xicoloko
Architect VisionOne AG
Switzerland Switzerland
XicoLoko is a brazilian developer based in Switzerland.

Comments and Discussions

 
Questionwhat should i do with my retrieve data from database Pinsussvannak15-Jun-03 13:35 

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