Htaccess - manage catch all in multiple directories and one single htaccess file

Question

I'm trying to dispatch all traffic in multiple directories based on a specific keyword.

I have the following directory structure:

dotcom/
dotcom/directory1/ (with subdirs)
dotcom/directory2/ (with subdirs)
dotcom/directory3/ (with subdirs)

I have a .htaccess file located in dotcom and I would like to redirect everything behind each directory to an index file in each directory.

Example:

dotcom/directory1/anything/blabla to dotcom/directory1/index.php
dotcom/directory2/anything/blabla to dotcom/directory2/index.php
dotcom/anythingNotExisting to dotcom/index.php

Anything not in one of the existing directories should be redirected to dotcom/index.php

I tried the following for dotcom:

RewriteEngine On
RewriteCond %{ENV:HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

This catches everything

But when I tried to add conditions like the following, I get a 404:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^/directory1/(.*)$ directory1/index.php?path=$1 [NC,L,QSA]

With this, if I try to access dotcom/directory1/blabla I have a 404 while if I access dotcom/directory1/ it goes to the right index.php

I have tried to use the full path dotcom/directory1/ but it doesn't help.

Answer 1

You may use these rules inside dotcom/.htaccess:

DirectoryIndex index.php
RewriteEngine On

RewriteCond %{HTTPS} !on
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301,NE]

# ignore all rules below this for real files and directories
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]

# for URIs starting with know directory paths
RewriteRule ^(directory1|directory2)/(.*)$ $1/index.php?path=$2 [NC,L,QSA]

# everything else
RewriteRule .+ index.php?path=$0 [L,QSA]