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 Koha::Linktracker;
  25 use CGI qw ( -utf8 );
  26
  27 my $cgi = new CGI;
  28 my $uri = $cgi->param('uri') || '';
  29
  30 my $tracker = Koha::Linktracker->new(
  31     { trackingmethod => C4::Context->preference('TrackClicks') } );
  32
  33 if ($uri) {
  34     if (   $tracker->trackingmethod() eq 'track'
  35         || $tracker->trackingmethod() eq 'anonymous' )
  36     {
  37         my $borrowernumber = 0;
  38
  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 $userenv = C4::Context->userenv;
  44
  45             if (   defined($userenv)
  46                 && ref($userenv) eq 'HASH'
  47                 && $userenv->{number} )
  48             {
  49                 $borrowernumber = $userenv->{number};
  50             }
  51
  52             # get borrower info
  53         }
  54         my $biblionumber = $cgi->param('biblionumber') || 0;
  55         my $itemnumber   = $cgi->param('itemnumber')   || 0;
  56
  57         $tracker->trackclick(
  58             {
  59                 uri            => $uri,
  60                 biblionumber   => $biblionumber,
  61                 borrowernumber => $borrowernumber,
  62                 itemnumber     => $itemnumber
  63             }
  64         );
  65         print $cgi->redirect($uri);
  66     }
  67     else {
  68
  69         # We have a valid url, but we shouldn't track it, just redirect
  70         print $cgi->redirect($uri);
  71     }
  72 }
  73 else {
  74
  75     # we shouldn't be here, bail out
  76     print $cgi->redirect("/cgi-bin/koha/errors/404.pl");    # escape early
  77     exit;
  78 }