This project contains two parts: tracker and website, and is intended to
show how cookies can be used to track you and send a lot of information to an
third-party service.
Install the project by first cloning it (git clone ...), then install the
project's dependencies:
$ composer install
Now, run the application:
$ php -S localhost:4000 -t .
Note: in case you don't want 4000 as port, you will have to update the
port number in tracker/public/tracker.js (sorry).
The tracker exposes a dashboard at:
http://localhost:4000/tracker/public/dashboard.
The website does not do much, but is available at:
http://localhost:4000/website/.
The tracker is responsible for serving a single-pixel image along with a cookie, and, of course, persisting as much client data as possible. It automatically assigns an identifier when not found, and aggregates all data by identifier. When looking at the dashboard, you will only get your own information, but it would be easy to build a better view to see all information available.
The tracker also offers a simple JavaScript file that is used to build a request to fetch the single-pixel image from the websites using the service.
The website requires a JavaScript file from the tracker (à la Google Analytics or Piwik). That's it.
Go ahead and hack the project! You can pass as many data as you wish to by
updating the tracker/public/tracker.js script.
This project is released under the MIT License. See the bundled LICENSE file for details.