301 Redirects not working properly - .htaccess

Question

I want to redirect every request from http:// to https:// and from www.example.com to example.com. In addition, a redirect from the IP address to https://example.com would be awesome.
I managed to redirect the http:// requests to https:// but unfortunately I always fail with the redirect of the www to the non-www site.
Here's my code
RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
RewriteCond %{HTTP_HOST} ^www.example.com/foo2 [NC]
RewriteRule ^(.*)$ https://example.com/foo2/$1 [L,R=301]
Any ideas why it isn't working. And how do I redirect the IP address correctly?

Answer 1

RewriteCond %{HTTP_HOST} ^www.example.com/foo2 [NC]
RewriteRule ^(.*)$ https://example.com/foo2/$1 [L,R=301]
The HTTP_HOST is literally just the hostname, not the hostname plus the path (ie. /foo2). You mentioned in comments that the site (and .htaccess file) are in a subdirectory (/foo2), so something like the following should suffice:
RewriteCond %{HTTP_HOST} ^www\. [NC]
RewriteRule (.*) https://example.com/foo2/$1 [L,R=301]
The above condition states that if the HTTP_HOST starts www. then redirect.
a redirect from the IP address to https://example.com would be awesome.
As above, you just need to check the HTTP_HOST for the IP address. For example:
RewriteCond %{HTTP_HOST} =123.123.123.123
RewriteRule (.*) https://example.com/foo2/$1 [L,R=301]
Using the = operator, this checks for lexicographical equality, ie. not a regex, so no need to escape the dots.
Combined rule for all 3 instances...
However, this can all be combined into a more compact - single - ruleset. For example:
RewriteEngine On
RewriteCond %{HTTPS} !on [OR]
RewriteCond %{HTTP_HOST} ^www\. [OR,NC]
RewriteCond %{HTTP_HOST} =123.123.123.123
RewriteRule ^ https://example.com%{REQUEST_URI} [R=301,L]
If the request is not HTTPS, or starts with www. or is the servers' IP address then redirect...