opac/tracklinks.pl

   1 #!/usr/bin/perl
   2
   3 # script to log clicks on links to external urls
   4
   5 # Copyright 2012 Catalyst IT
   6 # This file is part of Koha.
   7 #
   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.
  12 #
  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.
  17 #
  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>.
  20
  21 use Modern::Perl;
  22 use C4::Context;
  23 use C4::Auth qw(checkauth);
  24 use C4::Biblio;
  25 use Koha::Linktracker;
  26 use CGI qw ( -utf8 );
  27
  28 my $cgi = new CGI;
  29 my $uri = $cgi->param('uri') || '';
  30
  31 my $tracker = Koha::Linktracker->new(
  32     { trackingmethod => C4::Context->preference('TrackClicks') } );
  33
  34 if ($uri) {
  35     if (   $tracker->trackingmethod() eq 'track'
  36         || $tracker->trackingmethod() eq 'anonymous' )
  37     {
  38         my $borrowernumber = 0;
  39
  40         # we have a uri and we want to track
  41         if ( $tracker->trackingmethod() eq 'track' ) {
  42             my ( $user, $cookie, $sessionID, $flags ) =
  43               checkauth( $cgi, 1, {}, 'opac' );
  44             my $userenv = C4::Context->userenv;
  45
  46             if (   defined($userenv)
  47                 && ref($userenv) eq 'HASH'
  48                 && $userenv->{number} )
  49             {
  50                 $borrowernumber = $userenv->{number};
  51             }
  52
  53             # get borrower info
  54         }
  55         my $biblionumber = $cgi->param('biblionumber') || 0;
  56         my $itemnumber   = $cgi->param('itemnumber')   || 0;
  57
  58         my $record = C4::Biblio::GetMarcBiblio({ biblionumber => $biblionumber });
  59         my $marc_urls = C4::Biblio::GetMarcUrls($record, C4::Context->preference('marcflavour'));
  60         if ( grep { $_ eq $uri } map { $_->{MARCURL} } @$marc_urls ) {
  61             $tracker->trackclick(
  62                 {
  63                     uri            => $uri,
  64                     biblionumber   => $biblionumber,
  65                     borrowernumber => $borrowernumber,
  66                     itemnumber     => $itemnumber
  67                 }
  68             );
  69             print $cgi->redirect($uri);
  70             exit;
  71         }
  72     }
  73     else {
  74
  75         # We have a valid url, but we shouldn't track it, just redirect
  76         print $cgi->redirect($uri);
  77         exit;
  78     }
  79 }
  80
  81 print $cgi->redirect("/cgi-bin/koha/errors/404.pl");    # escape early
  82 exit;