Add this in your local wp-content/uploads/.htaccess to redirect all non-existing content to your DOMAIN.COM url.
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule (.*) https://DOMAIN.COM/wp-content/uploads/$1
</IfModule>
Add this in your .htaccess to force all traffic in HTTPS
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
</IfModule>
Add this in your .htaccess to force used to identify using an .htpasswd.
<IfModule mod_authn_file.c>
AuthUserFile /FULL_PATH/.htpasswd
AuthName "Authorization Required"
AuthType Basic
require valid-user
Order allow,deny
satisfy any
</IfModule>
<IfModule mod_auth.c>
AuthUserFile /FULL_PATH/.htpasswd
AuthName "Authorization Required"
AuthType Basic
require valid-user
Order allow,deny
satisfy any
</IfModule>