@Findus23 opened this Issue on July 10th 2022 Member

this is a bit of a continuation of #8120

At the moment, Matomo can only be used by settings the web root to the directory all Matomo files are in. This means additional web server configuration and precisely crafted rules are required so that security-relevant files (especially tmp/ and config/) are not publicly accessible. But as web server configurations vary widely and as the recent "private directories" system check shows, there are a lot of people for who these configurations don't work (most commonly because AllowOverride is disabled (#17819) and therefore the .htaccess files created by Matomo do nothing). And the system check that tries to access the URLs that should be private makes some people aware of this, but often confuses people (#18693) or creates new issues (#18182, #17589, #18967, #19149) either because the failing requests trigger things like fail2ban or because it exposes broken cacert-setups.
And that is completely ignoring the question of people who don't use apache and then have to find out themselves that they need to block some file requests or their Matomo setup is insecure.

To get to the point: I feel like offering a Matomo install which works similar to this (and how most modern PHP/laravel applications work) would solve a lot of complexity which gaining a lot of security:

  • Matomo would have a public/ directory
  • People could use Matomo by setting their webroot to this directory
  • public/index.php would be a simple script that imports the main index.php and probably fixes some path
  • and probably a config.ini.php option that would enable this mode (as otherwise "default" users would have duplicate URLs)
  • JS/CSS assets would work out of the box as they use index.php
  • other assets would need to be copied to a corresponding subpath in public/ either implicitly ("copy some directory in every plugin") or explicitly ("allow specifying a list of files that need to be public in the plugin description")
  • While I don't think large changes are needed, these changes still feel breaking enough for me that this would need to be part of Matomo 5

Also this would be an optional feature as there are still people who don't know what a web root is (even though a lot of PHP FOSS applications don't offer any other way to be used).

In summary, I think this would make it a lot harder for people to accidentally shoot themselves into the foot in regard to security (it's not like I haven't noticed in the past that I had some important Matomo files accidentally public), but it also has the disadvantage of offering "one more way" to install Matomo.

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