exclude one url from basic auth with apache

apache-exclude-urls-basic-auth.conf

<location />
        SetEnvIf Request_URI "/callback/.*" REDIRECT_noauth=1

        AuthType Basic
        AuthName "Restricted Files"
        AuthUserFile /etc/httpd/passwords/passwords
        Order Deny,Allow
        Satisfy any
        Deny from all
        Allow from env=REDIRECT_noauth
        Require user yournickname
</location>

# credits to http://stackoverflow.com/questions/8978080/htaccess-exclude-one-url-from-basic-auth