tools/export.pl

   1 #!/usr/bin/perl
   2
   3 #
   4 # This file is part of Koha.
   5 #
   6 # Koha is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # Koha is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  18
  19 use Modern::Perl;
  20 use CGI qw ( -utf8 );
  21 use MARC::File::XML;
  22 use List::MoreUtils qw(uniq);
  23 use C4::Auth;
  24 use C4::Koha;               # GetItemTypes
  25 use C4::Output;
  26
  27 use Koha::Authority::Types;
  28 use Koha::Biblioitems;
  29 use Koha::CsvProfiles;
  30 use Koha::Database;
  31 use Koha::DateUtils qw( dt_from_string output_pref );
  32 use Koha::Exporter::Record;
  33 use Koha::Libraries;
  34
  35 my $query = new CGI;
  36
  37 my $dont_export_items = $query->param("dont_export_item") || 0;
  38 my $record_type       = $query->param("record_type");
  39 my $op                = $query->param("op") || '';
  40 my $output_format     = $query->param("format") || $query->param("output_format") || 'iso2709';
  41 my $backupdir         = C4::Context->config('backupdir');
  42 my $filename          = $query->param("filename") || 'koha.mrc';
  43 $filename =~ s/(\r|\n)//;
  44
  45 my $dbh = C4::Context->dbh;
  46
  47 my @record_ids;
  48 # biblionumbers is sent from circulation.pl only
  49 if ( $query->param("biblionumbers") ) {
  50     $record_type = 'bibs';
  51     @record_ids = $query->multi_param("biblionumbers");
  52 }
  53
  54 # Default value for output_format is 'iso2709'
  55 $output_format ||= 'iso2709';
  56 # Retrocompatibility for the format parameter
  57 $output_format = 'iso2709' if $output_format eq 'marc';
  58
  59 my ( $template, $loggedinuser, $cookie, $flags ) = get_template_and_user(
  60     {
  61         template_name   => "tools/export.tt",
  62         query           => $query,
  63         type            => "intranet",
  64         authnotrequired => 0,
  65         flagsrequired   => { tools => 'export_catalog' },
  66         debug           => 1,
  67     }
  68 );
  69
  70 my @branch = $query->multi_param("branch");
  71
  72 if ( $op eq "export" ) {
  73
  74     my $export_remove_fields = $query->param("export_remove_fields") || q||;
  75     my @biblionumbers      = $query->multi_param("biblionumbers");
  76     my @itemnumbers        = $query->multi_param("itemnumbers");
  77     my $strip_nonlocal_items =  $query->param('strip_nonlocal_items');
  78     my @sql_params;
  79     my $sql_query;
  80
  81     my $libraries = $strip_nonlocal_items
  82         ? [ Koha::Libraries->find(C4::Context->userenv->{branch})->unblessed ]
  83         : Koha::Libraries->search_filtered->unblessed;
  84     my @branchcodes;
  85     for my $branchcode ( @branch ) {
  86         if ( grep { $_->{branchcode} eq $branchcode } @$libraries ) {
  87             push @branchcodes, $branchcode;
  88         }
  89     }
  90
  91     if ( $record_type eq 'bibs' or $record_type eq 'auths' ) {
  92         # No need to retrieve the record_ids if we already get them
  93         unless ( @record_ids ) {
  94             if ( $record_type eq 'bibs' ) {
  95                 my $starting_biblionumber = $query->param("StartingBiblionumber");
  96                 my $ending_biblionumber   = $query->param("EndingBiblionumber");
  97                 my $itemtype             = $query->param("itemtype");
  98                 my $start_callnumber     = $query->param("start_callnumber");
  99                 my $end_callnumber       = $query->param("end_callnumber");
 100                 my $start_accession =
 101                   ( $query->param("start_accession") )
 102                   ? dt_from_string( scalar $query->param("start_accession") )
 103                   : '';
 104                 my $end_accession =
 105                   ( $query->param("end_accession") )
 106                   ? dt_from_string( scalar $query->param("end_accession") )
 107                   : '';
 108
 109
 110                 my $conditions = {
 111                     ( $starting_biblionumber or $ending_biblionumber )
 112                         ? (
 113                             "me.biblionumber" => {
 114                                 ( $starting_biblionumber ? ( '>=' => $starting_biblionumber ) : () ),
 115                                 ( $ending_biblionumber   ? ( '<=' => $ending_biblionumber   ) : () ),
 116                             }
 117                         )
 118                         : (),
 119
 120                     ( $start_callnumber or $end_callnumber )
 121                         ? (
 122                             'items.itemcallnumber' => {
 123                                 ( $start_callnumber ? ( '>=' => $start_callnumber ) : () ),
 124                                 ( $end_callnumber   ? ( '<=' => $end_callnumber   ) : () ),
 125                             }
 126                         )
 127                         : (),
 128
 129                     ( $start_accession or $end_accession )
 130                         ? (
 131                             'items.dateaccessioned' => {
 132                                 ( $start_accession ? ( '>=' => $start_accession ) : () ),
 133                                 ( $end_accession   ? ( '<=' => $end_accession   ) : () ),
 134                             }
 135                         )
 136                         : (),
 137                     ( @branchcodes ? ( 'items.homebranch' => { in => \@branchcodes } ) : () ),
 138                     ( $itemtype
 139                         ?
 140                           C4::Context->preference('item-level_itypes')
 141                             ? ( 'items.itype' => $itemtype )
 142                             : ( 'biblioitems.itemtype' => $itemtype )
 143                         : ()
 144                     ),
 145
 146                 };
 147                 my $biblioitems = Koha::Biblioitems->search( $conditions, { join => 'items', columns => 'biblionumber' } );
 148                 while ( my $biblioitem = $biblioitems->next ) {
 149                     push @record_ids, $biblioitem->biblionumber;
 150                 }
 151             }
 152             elsif ( $record_type eq 'auths' ) {
 153                 my $starting_authid = $query->param('starting_authid');
 154                 my $ending_authid   = $query->param('ending_authid');
 155                 my $authtype        = $query->param('authtype');
 156
 157                 my $conditions = {
 158                     ( $starting_authid or $ending_authid )
 159                         ? (
 160                             authid => {
 161                                 ( $starting_authid ? ( '>=' => $starting_authid ) : () ),
 162                                 ( $ending_authid   ? ( '<=' => $ending_authid   ) : () ),
 163                             }
 164                         )
 165                         : (),
 166                     ( $authtype ? ( authtypecode => $authtype ) : () ),
 167                 };
 168                 # Koha::MetadataRecord::Authority is not a Koha::Object...
 169                 my $authorities = Koha::Database->new->schema->resultset('AuthHeader')->search( $conditions );
 170                 @record_ids = map { $_->authid } $authorities->all;
 171             }
 172         }
 173
 174         @record_ids = uniq @record_ids;
 175         if ( @record_ids and my $filefh = $query->upload("id_list_file") ) {
 176             my @filter_record_ids = <$filefh>;
 177             @filter_record_ids = map { my $id = $_; $id =~ s/[\r\n]*$//; $id } @filter_record_ids;
 178             # intersection
 179             my %record_ids = map { $_ => 1 } @record_ids;
 180             @record_ids = grep $record_ids{$_}, @filter_record_ids;
 181         }
 182
 183         print CGI->new->header(
 184             -type       => 'application/octet-stream',
 185             -charset    => 'utf-8',
 186             -attachment => $filename,
 187         );
 188
 189         my $csv_profile_id = $query->param('csv_profile_id');
 190         unless ( $csv_profile_id ) {
 191             # FIXME export_format.profile should be a unique key
 192             my $default_csv_profiles = Koha::CsvProfiles->search({ profile => C4::Context->preference('ExportWithCsvProfile') });
 193             $csv_profile_id = $default_csv_profiles->count ? $default_csv_profiles->next->export_format_id : undef;
 194         }
 195
 196         Koha::Exporter::Record::export(
 197             {   record_type        => $record_type,
 198                 record_ids         => \@record_ids,
 199                 format             => $output_format,
 200                 filename           => $filename,
 201                 itemnumbers        => \@itemnumbers,
 202                 dont_export_fields => $export_remove_fields,
 203                 csv_profile_id     => $csv_profile_id,
 204                 export_items       => (not $dont_export_items),
 205             }
 206         );
 207     }
 208     elsif ( $record_type eq 'db' or $record_type eq 'conf' ) {
 209         my $successful_export;
 210
 211         if ( $flags->{superlibrarian}
 212             and (
 213                     $record_type eq 'db' and C4::Context->config('backup_db_via_tools')
 214                  or
 215                     $record_type eq 'conf' and C4::Context->config('backup_conf_via_tools')
 216             )
 217         ) {
 218             binmode STDOUT, ':encoding(UTF-8)';
 219
 220             my $charset  = 'utf-8';
 221             my $mimetype = 'application/octet-stream';
 222             if ( $filename =~ m/\.gz$/ ) {
 223                 $mimetype = 'application/x-gzip';
 224                 $charset  = '';
 225                 binmode STDOUT;
 226             }
 227             elsif ( $filename =~ m/\.bz2$/ ) {
 228                 $mimetype = 'application/x-bzip2';
 229                 binmode STDOUT;
 230                 $charset = '';
 231             }
 232             print $query->header(
 233                 -type       => $mimetype,
 234                 -charset    => $charset,
 235                 -attachment => $filename,
 236             );
 237
 238             my $extension = $record_type eq 'db' ? 'sql' : 'tar';
 239
 240             $successful_export = download_backup(
 241                 {
 242                     directory => $backupdir,
 243                     extension => $extension,
 244                     filename  => $filename,
 245                 }
 246             );
 247             unless ($successful_export) {
 248                 my $remotehost = $query->remote_host();
 249                 $remotehost =~ s/(\n|\r)//;
 250                 warn
 251     "A suspicious attempt was made to download the " . ( $record_type eq 'db' ? 'db' : 'configuration' ) . "at '$filename' by someone at "
 252                   . $remotehost . "\n";
 253             }
 254         }
 255     }
 256
 257     exit;
 258 }
 259
 260 else {
 261
 262     my $itemtypes = GetItemTypes;
 263     my @itemtypesloop;
 264     foreach my $thisitemtype ( sort keys %$itemtypes ) {
 265         my %row = (
 266             value       => $thisitemtype,
 267             description => $itemtypes->{$thisitemtype}->{translated_description},
 268         );
 269         push @itemtypesloop, \%row;
 270     }
 271
 272     my $authority_types = Koha::Authority::Types->search( {}, { order_by => ['authtypecode'] } );
 273
 274     my $libraries = Koha::Libraries->search_filtered({}, { order_by => ['branchname'] })->unblessed;
 275     for my $library ( @$libraries ) {
 276         $library->{selected} = 1 if grep { $library->{branchcode} eq $_ } @branch;
 277     }
 278
 279     if (   $flags->{superlibrarian}
 280         && C4::Context->config('backup_db_via_tools')
 281         && $backupdir
 282         && -d $backupdir )
 283     {
 284         $template->{VARS}->{'allow_db_export'} = 1;
 285         $template->{VARS}->{'dbfiles'}         = getbackupfilelist(
 286             { directory => "$backupdir", extension => 'sql' } );
 287     }
 288
 289     if (   $flags->{superlibrarian}
 290         && C4::Context->config('backup_conf_via_tools')
 291         && $backupdir
 292         && -d $backupdir )
 293     {
 294         $template->{VARS}->{'allow_conf_export'} = 1;
 295         $template->{VARS}->{'conffiles'}         = getbackupfilelist(
 296             { directory => "$backupdir", extension => 'tar' } );
 297     }
 298
 299     $template->param(
 300         libraries                => $libraries,
 301         itemtypeloop             => \@itemtypesloop,
 302         authority_types          => $authority_types,
 303         export_remove_fields     => C4::Context->preference("ExportRemoveFields"),
 304         csv_profiles             => [ Koha::CsvProfiles->search({ type => 'marc' }) ],
 305     );
 306
 307     output_html_with_http_headers $query, $cookie, $template->output;
 308 }
 309
 310 sub getbackupfilelist {
 311     my $args      = shift;
 312     my $directory = $args->{directory};
 313     my $extension = $args->{extension};
 314     my @files;
 315
 316     if ( opendir( my $dir, $directory ) ) {
 317         while ( my $file = readdir($dir) ) {
 318             next unless ( $file =~ m/\.$extension(\.(gz|bz2|xz))?/ );
 319             push @files, $file
 320               if ( -f "$directory/$file" && -r "$directory/$file" );
 321         }
 322         closedir($dir);
 323     }
 324     return \@files;
 325 }
 326
 327 sub download_backup {
 328     my $args      = shift;
 329     my $directory = $args->{directory};
 330     my $extension = $args->{extension};
 331     my $filename  = $args->{filename};
 332
 333     return unless ( $directory && -d $directory );
 334     return unless ( $filename =~ m/\.$extension(\.(gz|bz2|xz))?$/ );
 335     return if ( $filename =~ m#/# );
 336     $filename = "$directory/$filename";
 337     return unless ( -f $filename && -r $filename );
 338     return unless ( open( my $dump, '<', $filename ) );
 339     binmode $dump;
 340
 341     while ( read( $dump, my $data, 64 * 1024 ) ) {
 342         print $data;
 343     }
 344     close($dump);
 345     return 1;
 346 }