Hello all, I'm creating a web appication in Perl (and CGI). I' ve written code that is used to create and read sessions (by using cookies or GET http method) which are used after authenticating user logins in a database. The code for handing transitions and state is about 60 lines of code. I already have made it modular, but I'm still searching for an elegant way to use this code on every script. I have several pages (.pl scripts) that must be viewable only by logged in users. Do I need to put the same code on every page (and have the 'actual' script code in an if branch of the authentication code)? I also have thought that I can create something like a dispatcher, which checks if the user is authenticated and then call the actual .pl script (or modules subroutines) from there. How can someone avoid code repetition on all scripts that require authentication? Can I avoid having a big "if ..." statement to handle all cases? It would be nice, if only 1 to 5 lines of code were required on each script. Is there any suggested way of handling this situation?
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