3 # script to log clicks on links to external urls
5 # Copyright 2012 Catalyst IT
6 # This file is part of Koha.
8 # Koha is free software; you can redistribute it and/or modify it
9 # under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 3 of the License, or
11 # (at your option) any later version.
13 # Koha is distributed in the hope that it will be useful, but
14 # WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
23 use C4
::Auth
qw(checkauth);
24 use Koha
::Linktracker
;
28 my $uri = $cgi->param('uri') || '';
30 my $tracker = Koha
::Linktracker
->new(
31 { trackingmethod
=> C4
::Context
->preference('TrackClicks') } );
34 if ( $tracker->trackingmethod() eq 'track'
35 || $tracker->trackingmethod() eq 'anonymous' )
37 my $borrowernumber = 0;
39 # we have a uri and we want to track
40 if ( $tracker->trackingmethod() eq 'track' ) {
41 my ( $user, $cookie, $sessionID, $flags ) =
42 checkauth
( $cgi, 1, {}, 'opac' );
43 my $userenv = C4
::Context
->userenv;
45 if ( defined($userenv)
46 && ref($userenv) eq 'HASH'
47 && $userenv->{number
} )
49 $borrowernumber = $userenv->{number
};
54 my $biblionumber = $cgi->param('biblionumber') || 0;
55 my $itemnumber = $cgi->param('itemnumber') || 0;
60 biblionumber
=> $biblionumber,
61 borrowernumber
=> $borrowernumber,
62 itemnumber
=> $itemnumber
65 print $cgi->redirect($uri);
69 # We have a valid url, but we shouldn't track it, just redirect
70 print $cgi->redirect($uri);
75 # we shouldn't be here, bail out
76 print $cgi->redirect("/cgi-bin/koha/errors/404.pl"); # escape early