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::Branch;             # GetBranches
  25 use C4::Koha;               # GetItemTypes
  26 use C4::Output;
  27
  28 use Koha::Authority::Types;
  29 use Koha::Biblioitems;
  30 use Koha::CsvProfiles;
  31 use Koha::Database;
  32 use Koha::DateUtils qw( dt_from_string output_pref );
  33 use Koha::Exporter::Record;
  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 my $only_my_branch;
  72 # Limit to local branch if IndependentBranches and not superlibrarian
  73 if (
  74     (
  75           C4::Context->preference('IndependentBranches')
  76         && C4::Context->userenv
  77         && !C4::Context->IsSuperLibrarian()
  78         && C4::Context->userenv->{branch}
  79     )
  80     # Limit result to local branch strip_nonlocal_items
  81     or $query->param('strip_nonlocal_items')
  82 ) {
  83     $only_my_branch = 1;
  84     @branch = ( C4::Context->userenv->{'branch'} );
  85 }
  86
  87 my %branchmap = map { $_ => 1 } @branch; # for quick lookups
  88
  89 if ( $op eq "export" ) {
  90
  91     my $export_remove_fields = $query->param("export_remove_fields") || q||;
  92     my @biblionumbers      = $query->multi_param("biblionumbers");
  93     my @itemnumbers        = $query->multi_param("itemnumbers");
  94     my @sql_params;
  95     my $sql_query;
  96
  97     if ( $record_type eq 'bibs' or $record_type eq 'auths' ) {
  98         # No need to retrieve the record_ids if we already get them
  99         unless ( @record_ids ) {
 100             if ( $record_type eq 'bibs' ) {
 101                 my $starting_biblionumber = $query->param("StartingBiblionumber");
 102                 my $ending_biblionumber   = $query->param("EndingBiblionumber");
 103                 my $itemtype             = $query->param("itemtype");
 104                 my $start_callnumber     = $query->param("start_callnumber");
 105                 my $end_callnumber       = $query->param("end_callnumber");
 106                 my $start_accession =
 107                   ( $query->param("start_accession") )
 108                   ? dt_from_string( scalar $query->param("start_accession") )
 109                   : '';
 110                 my $end_accession =
 111                   ( $query->param("end_accession") )
 112                   ? dt_from_string( scalar $query->param("end_accession") )
 113                   : '';
 114
 115
 116                 my $conditions = {
 117                     ( $starting_biblionumber or $ending_biblionumber )
 118                         ? (
 119                             "me.biblionumber" => {
 120                                 ( $starting_biblionumber ? ( '>=' => $starting_biblionumber ) : () ),
 121                                 ( $ending_biblionumber   ? ( '<=' => $ending_biblionumber   ) : () ),
 122                             }
 123                         )
 124                         : (),
 125
 126                     ( $start_callnumber or $end_callnumber )
 127                         ? (
 128                             'items.itemcallnumber' => {
 129                                 ( $start_callnumber ? ( '>=' => $start_callnumber ) : () ),
 130                                 ( $end_callnumber   ? ( '<=' => $end_callnumber   ) : () ),
 131                             }
 132                         )
 133                         : (),
 134
 135                     ( $start_accession or $end_accession )
 136                         ? (
 137                             'items.dateaccessioned' => {
 138                                 ( $start_accession ? ( '>=' => $start_accession ) : () ),
 139                                 ( $end_accession   ? ( '<=' => $end_accession   ) : () ),
 140                             }
 141                         )
 142                         : (),
 143                     ( @branch ? ( 'items.homebranch' => { in => \@branch } ) : () ),
 144                     ( $itemtype
 145                         ?
 146                           C4::Context->preference('item-level_itypes')
 147                             ? ( 'items.itype' => $itemtype )
 148                             : ( 'biblioitems.itemtype' => $itemtype )
 149                         : ()
 150                     ),
 151
 152                 };
 153                 my $biblioitems = Koha::Biblioitems->search( $conditions, { join => 'items', columns => 'biblionumber' } );
 154                 while ( my $biblioitem = $biblioitems->next ) {
 155                     push @record_ids, $biblioitem->biblionumber;
 156                 }
 157             }
 158             elsif ( $record_type eq 'auths' ) {
 159                 my $starting_authid = $query->param('starting_authid');
 160                 my $ending_authid   = $query->param('ending_authid');
 161                 my $authtype        = $query->param('authtype');
 162
 163                 my $conditions = {
 164                     ( $starting_authid or $ending_authid )
 165                         ? (
 166                             authid => {
 167                                 ( $starting_authid ? ( '>=' => $starting_authid ) : () ),
 168                                 ( $ending_authid   ? ( '<=' => $ending_authid   ) : () ),
 169                             }
 170                         )
 171                         : (),
 172                     ( $authtype ? ( authtypecode => $authtype ) : () ),
 173                 };
 174                 # Koha::MetadataRecord::Authority is not a Koha::Object...
 175                 my $authorities = Koha::Database->new->schema->resultset('AuthHeader')->search( $conditions );
 176                 @record_ids = map { $_->authid } $authorities->all;
 177             }
 178         }
 179
 180         @record_ids = uniq @record_ids;
 181         if ( @record_ids and my $filefh = $query->upload("id_list_file") ) {
 182             my @filter_record_ids = <$filefh>;
 183             @filter_record_ids = map { my $id = $_; $id =~ s/[\r\n]*$//; $id } @filter_record_ids;
 184             # intersection
 185             my %record_ids = map { $_ => 1 } @record_ids;
 186             @record_ids = grep $record_ids{$_}, @filter_record_ids;
 187         }
 188
 189         print CGI->new->header(
 190             -type       => 'application/octet-stream',
 191             -charset    => 'utf-8',
 192             -attachment => $filename,
 193         );
 194
 195         my $csv_profile_id = $query->param('csv_profile_id');
 196         unless ( $csv_profile_id ) {
 197             # FIXME export_format.profile should be a unique key
 198             my $default_csv_profiles = Koha::CsvProfiles->search({ profile => C4::Context->preference('ExportWithCsvProfile') });
 199             $csv_profile_id = $default_csv_profiles->count ? $default_csv_profiles->next->export_format_id : undef;
 200         }
 201
 202         Koha::Exporter::Record::export(
 203             {   record_type        => $record_type,
 204                 record_ids         => \@record_ids,
 205                 format             => $output_format,
 206                 filename           => $filename,
 207                 itemnumbers        => \@itemnumbers,
 208                 dont_export_fields => $export_remove_fields,
 209                 csv_profile_id     => $csv_profile_id,
 210                 export_items       => (not $dont_export_items),
 211             }
 212         );
 213     }
 214     elsif ( $record_type eq 'db' or $record_type eq 'conf' ) {
 215         my $successful_export;
 216
 217         if ( $flags->{superlibrarian}
 218             and (
 219                     $record_type eq 'db' and C4::Context->config('backup_db_via_tools')
 220                  or
 221                     $record_type eq 'conf' and C4::Context->config('backup_conf_via_tools')
 222             )
 223         ) {
 224             binmode STDOUT, ':encoding(UTF-8)';
 225
 226             my $charset  = 'utf-8';
 227             my $mimetype = 'application/octet-stream';
 228             if ( $filename =~ m/\.gz$/ ) {
 229                 $mimetype = 'application/x-gzip';
 230                 $charset  = '';
 231                 binmode STDOUT;
 232             }
 233             elsif ( $filename =~ m/\.bz2$/ ) {
 234                 $mimetype = 'application/x-bzip2';
 235                 binmode STDOUT;
 236                 $charset = '';
 237             }
 238             print $query->header(
 239                 -type       => $mimetype,
 240                 -charset    => $charset,
 241                 -attachment => $filename,
 242             );
 243
 244             my $extension = $record_type eq 'db' ? 'sql' : 'tar';
 245
 246             $successful_export = download_backup(
 247                 {
 248                     directory => $backupdir,
 249                     extension => $extension,
 250                     filename  => $filename,
 251                 }
 252             );
 253             unless ($successful_export) {
 254                 my $remotehost = $query->remote_host();
 255                 $remotehost =~ s/(\n|\r)//;
 256                 warn
 257     "A suspicious attempt was made to download the " . ( $record_type eq 'db' ? 'db' : 'configuration' ) . "at '$filename' by someone at "
 258                   . $remotehost . "\n";
 259             }
 260         }
 261     }
 262
 263     exit;
 264 }
 265
 266 else {
 267
 268     my $itemtypes = GetItemTypes;
 269     my @itemtypesloop;
 270     foreach my $thisitemtype ( sort keys %$itemtypes ) {
 271         my %row = (
 272             value       => $thisitemtype,
 273             description => $itemtypes->{$thisitemtype}->{translated_description},
 274         );
 275         push @itemtypesloop, \%row;
 276     }
 277     my $branches = GetBranches($only_my_branch);
 278     my @branchloop;
 279     for my $thisbranch (
 280         sort { $branches->{$a}->{branchname} cmp $branches->{$b}->{branchname} }
 281         keys %{$branches}
 282       )
 283     {
 284         push @branchloop,
 285           {
 286             value      => $thisbranch,
 287             selected   => %branchmap ? $branchmap{$thisbranch} : 1,
 288             branchname => $branches->{$thisbranch}->{'branchname'},
 289           };
 290     }
 291
 292     my $authority_types = Koha::Authority::Types->search( {}, { order_by => ['authtypecode'] } );
 293
 294     if (   $flags->{superlibrarian}
 295         && C4::Context->config('backup_db_via_tools')
 296         && $backupdir
 297         && -d $backupdir )
 298     {
 299         $template->{VARS}->{'allow_db_export'} = 1;
 300         $template->{VARS}->{'dbfiles'}         = getbackupfilelist(
 301             { directory => "$backupdir", extension => 'sql' } );
 302     }
 303
 304     if (   $flags->{superlibrarian}
 305         && C4::Context->config('backup_conf_via_tools')
 306         && $backupdir
 307         && -d $backupdir )
 308     {
 309         $template->{VARS}->{'allow_conf_export'} = 1;
 310         $template->{VARS}->{'conffiles'}         = getbackupfilelist(
 311             { directory => "$backupdir", extension => 'tar' } );
 312     }
 313
 314     $template->param(
 315         branchloop               => \@branchloop,
 316         itemtypeloop             => \@itemtypesloop,
 317         authority_types          => $authority_types,
 318         export_remove_fields     => C4::Context->preference("ExportRemoveFields"),
 319         csv_profiles             => [ Koha::CsvProfiles->search({ type => 'marc' }) ],
 320     );
 321
 322     output_html_with_http_headers $query, $cookie, $template->output;
 323 }
 324
 325 sub getbackupfilelist {
 326     my $args      = shift;
 327     my $directory = $args->{directory};
 328     my $extension = $args->{extension};
 329     my @files;
 330
 331     if ( opendir( my $dir, $directory ) ) {
 332         while ( my $file = readdir($dir) ) {
 333             next unless ( $file =~ m/\.$extension(\.(gz|bz2|xz))?/ );
 334             push @files, $file
 335               if ( -f "$directory/$file" && -r "$directory/$file" );
 336         }
 337         closedir($dir);
 338     }
 339     return \@files;
 340 }
 341
 342 sub download_backup {
 343     my $args      = shift;
 344     my $directory = $args->{directory};
 345     my $extension = $args->{extension};
 346     my $filename  = $args->{filename};
 347
 348     return unless ( $directory && -d $directory );
 349     return unless ( $filename =~ m/\.$extension(\.(gz|bz2|xz))?$/ );
 350     return if ( $filename =~ m#/# );
 351     $filename = "$directory/$filename";
 352     return unless ( -f $filename && -r $filename );
 353     return unless ( open( my $dump, '<', $filename ) );
 354     binmode $dump;
 355
 356     while ( read( $dump, my $data, 64 * 1024 ) ) {
 357         print $data;
 358     }
 359     close($dump);
 360     return 1;
 361 }