RewriteEngine On 
RewriteCond %{SERVER_PORT} 80 
RewriteRule ^(.*)$ https://yoursite.com/$1 [R,L]
 
AuthType Basic
AuthName "Access to /yoursite/"
AuthUserFile /homepages/htpasswd
Require user sdfwef4
 
AuthGroupFile /dev/null
 
SetEnvIf Request_URI .* noauth
SetEnvIf Request_URI index.php/admin/authentication/sa/login !noauth
#SetEnvIf Request_URI index.php !noauth

<RequireAny>
  Require env noauth
  Require valid-user
</RequireAny>
 
#change "x" to my ip &amp; remove "#" from "deny from all"
ErrorDocument 403 https://maitanance.yoursite.com/
Order deny,allow
#Deny from all
Allow from xx.xxx.xx.xxx
 
#Prevent viewing of .htaccess file
<Files .htaccess>
order allow,deny
deny from all
</Files>
 
#Prevent directory listings
Options All -Indexes