EPrints: Add user to Apache request object so it gets logged in Apache access logfile (as %u).

z_apache_log_username.pl

# ADD THIS FILE TO e.g. [EPRINT_ROOT]/archives/[ARCHIVE_ID]/cfg/cfg.d/
#
# Add username to Apache Request object so it gets added to Apache access.log file
# NB This will not cause the username to be logged in the EPrints access dataset.

use EPrints::Const;

$c->add_trigger( EP_TRIGGER_URL_REWRITE, sub {
    my( %args ) = @_;
    my( $r, $repo ) = @args{qw( request repository )};

    if( defined $repo->current_user && !defined $r->user )
    {
        $r->user( $repo->current_user->get_value( "username" ) );
    }
    # No return value - so next URL_REWRITE trigger will be run
    
}, priority => 50);
# priority needs to be lower than other REWRITE triggers so it gets run sooner in the request handling.