Function to set an auth_token
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john mossel
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Published on 2011-02-15T15:09:09Z
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2011/02/15
15:25 UTC
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In my form I have a hidden field:
<input type="hidden" name="auth_token" value="<?php echo $auth_token; ?>">
This value is also stored in a session and a variable:
$_SESSION['auth_token'] = hash('sha256', rand() . time() . $_SERVER['HTTP_USER_AGENT']); # TODO: put this in a function
$auth_token = $_SESSION['auth_token'];
When the form is submitted the two values are compared. It's a basic form token.
Should this be made into two functions or just one when refactored? set_form_token() and get_form_token(), get_form_token() returning the session value, then I can compare it in my main code. What is the proper way of doing this?
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