Pages for Cron use Only?

Question

so I've got a bunch of custom page templates that are scripts that are meant to be run by cron to update various things on my wordpress site, there are not meant to be viewed by regular site users.

Note: I'm using "regular" cron jobs, not "wp-cron" jobs.

Q: Is there a way to block average joe from visting these pages but allow cron to still be able to execute the scripts contained in the pages ok?

Thanks!

-- UPDATE #1 --

What do the crons job pages do?

The scripts on the pages that are triggered by cron use shortcodes to trigger a plugin that crawls various pages (the list of URLs to crawl is in an array thats fed to a for loop that triggers the shortcode) and do wordpress things like create post, categories, tags, etc.

I'm creating a very niche search engine that crawls pages I tell it to then creates wordpress pages from the results.

$urls = array('http://url1.com', 'http://url2.com', 'http://url3.com'); 
## etc.. for each page to be crawled.

## crawl each url in the array

foreach ($url as $crawling) {
    do_shortcode('[shortcode]'); 

}

Answer 1

You could use php_sapi_name().

See this demo lifted from the developer docs

<?php
$sapi_type = php_sapi_name();
if (substr($sapi_type, 0, 3) == 'cgi') {
    echo "Your are probably a human";
} else {
    echo "You are probably not a human";
}
?>

You could just apply this kind of conditional at the start of your script.

Answer 2

You could limit specific pages by user roles i.e. Admins get access to all pages but editors and below can't access certain pages. There's a plugin that handles this called Role Scoper: http://wordpress.org/plugins/role-scoper/ or, if you prefer, there's a plugin free route explained in another answer: Hide pages depending on role.