Create SECURE Upload Script For Files, Extracts Files, Stores Images, COMPLEX - repost

Avg Bid (USD)
Project Budget (USD)
$30 - $360

Project Description:
Hello, I'm in need of a customized PHP script with 100% focus on security. If you are not a security expert in PHP I can't work with you

Here's what the script should be able to do:
1) User selects category from dropdown and uploads file
2) File goes into category-directory with random filename to prevent abuse
3) Script validates file unpacks the file (it's a ZIP/CAB archive)
4) In the archive are various pictures, the script uploads the pictures after a preg_match and stores them as along with the category in a "post", preferably using Wordpress or Drupal as the platform or whatever you recommend (send details, Wordpress preferred)
6) The images should be neatly organized in a gallery (plugins allowed, will need to be modified)
7) The post should have post thumbnails and enlarged images

You will need to discuss the details with me first, e.g. what platform you intend to use, how familiar you are with securing scripts and then I'll create a more detailed concept for this which you can use as a starting point

Thanks for your bids,

Skills required:
AJAX, MySQL, PHP, Web Security
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