tools/upload-file.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright (C) 2007 LibLime
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21
  22 use CGI qw ( -utf8 );
  23 use CGI::Cookie;
  24 use Encode;
  25 use JSON;
  26 use URI::Escape;
  27
  28 use C4::Context;
  29 use C4::Auth qw/check_cookie_auth haspermission/;
  30 use Koha::Upload;
  31
  32 # upload-file.pl must authenticate the user
  33 # before processing the POST request,
  34 # and quickly bounce if the user is
  35 # not authorized.  Consequently, unlike
  36 # most of the other CGI scripts, upload-file.pl
  37 # requires that the session cookie already
  38 # has been created.
  39
  40 my $flags_required = [
  41     {circulate  => 'circulate_remaining_permissions'},
  42     {tools      => 'stage_marc_import'},
  43     {tools      => 'upload_local_cover_images'}
  44 ];
  45
  46 my %cookies = CGI::Cookie->fetch;
  47 my $sid = $cookies{'CGISESSID'}->value;
  48
  49 my $auth_failure = 1;
  50 my ( $auth_status, $sessionID ) = check_cookie_auth( $sid );
  51 my $uid = C4::Auth::get_session($sid)->param('id');
  52 foreach my $flag_required ( @{$flags_required} ) {
  53     if ( my $flags = haspermission( $uid, $flag_required ) ) {
  54         $auth_failure = 0 if $auth_status eq 'ok';
  55     }
  56 }
  57
  58 if ($auth_failure) {
  59     send_reply( 'denied' );
  60     exit 0;
  61 }
  62
  63 my $upload = Koha::Upload->new( upload_pars($ENV{QUERY_STRING}) );
  64 if( !$upload || !$upload->cgi || !$upload->count ) {
  65     # not one upload succeeded
  66     send_reply( 'failed', undef, $upload? $upload->err: undef );
  67 } else {
  68     # in case of multiple uploads, at least one got through
  69     send_reply( 'done', $upload->result, $upload->err );
  70 }
  71 exit 0;
  72
  73 sub send_reply {    # response will be sent back as JSON
  74     my ( $upload_status, $data, $error ) = @_;
  75     my $reply = CGI->new("");
  76     print $reply->header( -type => 'text/html', -charset => 'UTF-8' );
  77     print JSON::encode_json({
  78         status => $upload_status,
  79         fileid => $data,
  80         errors => $error,
  81    });
  82 }
  83
  84 sub upload_pars { # this sub parses QUERY_STRING in order to build the
  85                   # parameter hash for Koha::Upload
  86     my ( $qstr ) = @_;
  87     $qstr = Encode::decode_utf8( uri_unescape( $qstr ) );
  88     # category could include a utf8 character
  89     my $rv = {};
  90     foreach my $p ( qw[public category temp] ) {
  91         if( $qstr =~ /(^|&)$p=(\w+)(&|$)/ ) {
  92             $rv->{$p} = $2;
  93         }
  94     }
  95     return $rv;
  96 }