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::Csv;
  26 use C4::Koha;               # GetItemTypes
  27 use C4::Output;
  28
  29 use Koha::Biblioitems;
  30 use Koha::Database;
  31 use Koha::DateUtils qw( dt_from_string output_pref );
  32 use Koha::Exporter::Record;
  33
  34 my $query = new CGI;
  35
  36 my $dont_export_items = $query->param("dont_export_item") || 0;
  37 my $record_type       = $query->param("record_type");
  38 my $op                = $query->param("op") || '';
  39 my $output_format     = $query->param("format") || $query->param("output_format") || 'iso2709';
  40 my $backupdir         = C4::Context->config('backupdir');
  41 my $filename          = $query->param("filename") || 'koha.mrc';
  42 $filename =~ s/(\r|\n)//;
  43
  44 my $dbh = C4::Context->dbh;
  45
  46 my @record_ids;
  47 # biblionumbers is sent from circulation.pl only
  48 if ( $query->param("biblionumbers") ) {
  49     $record_type = 'bibs';
  50     @record_ids = $query->param("biblionumbers");
  51 }
  52
  53 # Default value for output_format is 'iso2709'
  54 $output_format ||= 'iso2709';
  55 # Retrocompatibility for the format parameter
  56 $output_format = 'iso2709' if $output_format eq 'marc';
  57
  58 my ( $template, $loggedinuser, $cookie, $flags ) = get_template_and_user(
  59     {
  60         template_name   => "tools/export.tt",
  61         query           => $query,
  62         type            => "intranet",
  63         authnotrequired => 0,
  64         flagsrequired   => { tools => 'export_catalog' },
  65         debug           => 1,
  66     }
  67 );
  68
  69 my @branch = $query->param("branch");
  70 my $only_my_branch;
  71 # Limit to local branch if IndependentBranches and not superlibrarian
  72 if (
  73     (
  74           C4::Context->preference('IndependentBranches')
  75         && C4::Context->userenv
  76         && !C4::Context->IsSuperLibrarian()
  77         && C4::Context->userenv->{branch}
  78     )
  79     # Limit result to local branch strip_nonlocal_items
  80     or $query->param('strip_nonlocal_items')
  81 ) {
  82     $only_my_branch = 1;
  83     @branch = ( C4::Context->userenv->{'branch'} );
  84 }
  85
  86 my %branchmap = map { $_ => 1 } @branch; # for quick lookups
  87
  88 if ( $op eq "export" ) {
  89
  90     my $export_remove_fields = $query->param("export_remove_fields") || q||;
  91     my @biblionumbers      = $query->param("biblionumbers");
  92     my @itemnumbers        = $query->param("itemnumbers");
  93     my @sql_params;
  94     my $sql_query;
  95
  96     if ( $record_type eq 'bibs' or $record_type eq 'auths' ) {
  97         # No need to retrieve the record_ids if we already get them
  98         unless ( @record_ids ) {
  99             if ( $record_type eq 'bibs' ) {
 100                 my $starting_biblionumber = $query->param("StartingBiblionumber");
 101                 my $ending_biblionumber   = $query->param("EndingBiblionumber");
 102                 my $itemtype             = $query->param("itemtype");
 103                 my $start_callnumber     = $query->param("start_callnumber");
 104                 my $end_callnumber       = $query->param("end_callnumber");
 105                 my $start_accession =
 106                   ( $query->param("start_accession") )
 107                   ? dt_from_string( $query->param("start_accession") )
 108                   : '';
 109                 my $end_accession =
 110                   ( $query->param("end_accession") )
 111                   ? dt_from_string( $query->param("end_accession") )
 112                   : '';
 113
 114
 115                 my $conditions = {
 116                     ( $starting_biblionumber or $ending_biblionumber )
 117                         ? (
 118                             "me.biblionumber" => {
 119                                 ( $starting_biblionumber ? ( '>=' => $starting_biblionumber ) : () ),
 120                                 ( $ending_biblionumber   ? ( '<=' => $ending_biblionumber   ) : () ),
 121                             }
 122                         )
 123                         : (),
 124                     ( $start_callnumber or $end_callnumber )
 125                         ? (
 126                             callnumber => {
 127                                 ( $start_callnumber ? ( '>=' => $start_callnumber ) : () ),
 128                                 ( $end_callnumber   ? ( '<=' => $end_callnumber   ) : () ),
 129                             }
 130                         )
 131                         : (),
 132                     ( $start_accession or $end_accession )
 133                         ? (
 134                             dateaccessioned => {
 135                                 ( $start_accession ? ( '>=' => $start_accession ) : () ),
 136                                 ( $end_accession   ? ( '<=' => $end_accession   ) : () ),
 137                             }
 138                         )
 139                         : (),
 140                     ( @branch ? ( 'items.homebranch' => { in => \@branch } ) : () ),
 141                     ( $itemtype
 142                         ?
 143                           C4::Context->preference('item-level_itypes')
 144                             ? ( 'items.itype' => $itemtype )
 145                             : ( 'biblioitems.itemtype' => $itemtype )
 146                         : ()
 147                     ),
 148
 149                 };
 150                 my $biblioitems = Koha::Biblioitems->search( $conditions, { join => 'items' } );
 151                 while ( my $biblioitem = $biblioitems->next ) {
 152                     push @record_ids, $biblioitem->biblionumber;
 153                 }
 154             }
 155             elsif ( $record_type eq 'auths' ) {
 156                 my $starting_authid = $query->param('starting_authid');
 157                 my $ending_authid   = $query->param('ending_authid');
 158                 my $authtype        = $query->param('authtype');
 159
 160                 my $conditions = {
 161                     ( $starting_authid or $ending_authid )
 162                         ? (
 163                             authid => {
 164                                 ( $starting_authid ? ( '>=' => $starting_authid ) : () ),
 165                                 ( $ending_authid   ? ( '<=' => $ending_authid   ) : () ),
 166                             }
 167                         )
 168                         : (),
 169                     ( $authtype ? ( authtypecode => $authtype ) : () ),
 170                 };
 171                 # Koha::Authority is not a Koha::Object...
 172                 my $authorities = Koha::Database->new->schema->resultset('AuthHeader')->search( $conditions );
 173                 @record_ids = map { $_->authid } $authorities->all;
 174             }
 175         }
 176
 177         @record_ids = uniq @record_ids;
 178         if ( @record_ids and my $filefh = $query->upload("id_list_file") ) {
 179             my @filter_record_ids = <$filefh>;
 180             @filter_record_ids = map { my $id = $_; $id =~ s/[\r\n]*$//; $id } @filter_record_ids;
 181             # intersection
 182             my %record_ids = map { $_ => 1 } @record_ids;
 183             @record_ids = grep $record_ids{$_}, @filter_record_ids;
 184         }
 185
 186         print CGI->new->header(
 187             -type       => 'application/octet-stream',
 188             -charset    => 'utf-8',
 189             -attachment => $filename,
 190         );
 191
 192         Koha::Exporter::Record::export(
 193             {   record_type        => $record_type,
 194                 record_ids         => \@record_ids,
 195                 format             => $output_format,
 196                 filename           => $filename,
 197                 itemnumbers        => \@itemnumbers,
 198                 dont_export_fields => $export_remove_fields,
 199                 csv_profile_id     => ( $query->param('csv_profile_id') || GetCsvProfileId( C4::Context->preference('ExportWithCsvProfile') ) || undef ),
 200                 export_items       => (not $dont_export_items),
 201             }
 202         );
 203     }
 204     elsif ( $record_type eq 'db' or $record_type eq 'conf' ) {
 205         my $successful_export;
 206
 207         if ( $flags->{superlibrarian}
 208             and (
 209                     $record_type eq 'db' and C4::Context->config('backup_db_via_tools')
 210                  or
 211                     $record_type eq 'conf' and C4::Context->config('backup_conf_via_tools')
 212             )
 213         ) {
 214             binmode STDOUT, ':encoding(UTF-8)';
 215
 216             my $charset  = 'utf-8';
 217             my $mimetype = 'application/octet-stream';
 218             if ( $filename =~ m/\.gz$/ ) {
 219                 $mimetype = 'application/x-gzip';
 220                 $charset  = '';
 221                 binmode STDOUT;
 222             }
 223             elsif ( $filename =~ m/\.bz2$/ ) {
 224                 $mimetype = 'application/x-bzip2';
 225                 binmode STDOUT;
 226                 $charset = '';
 227             }
 228             print $query->header(
 229                 -type       => $mimetype,
 230                 -charset    => $charset,
 231                 -attachment => $filename,
 232             );
 233
 234             my $extension = $record_type eq 'db' ? 'sql' : 'tar';
 235
 236             $successful_export = download_backup(
 237                 {
 238                     directory => $backupdir,
 239                     extension => $extension,
 240                     filename  => $filename,
 241                 }
 242             );
 243             unless ($successful_export) {
 244                 my $remotehost = $query->remote_host();
 245                 $remotehost =~ s/(\n|\r)//;
 246                 warn
 247     "A suspicious attempt was made to download the " . ( $record_type eq 'db' ? 'db' : 'configuration' ) . "at '$filename' by someone at "
 248                   . $remotehost . "\n";
 249             }
 250         }
 251     }
 252
 253     exit;
 254 }
 255
 256 else {
 257
 258     my $itemtypes = GetItemTypes;
 259     my @itemtypesloop;
 260     foreach my $thisitemtype ( sort keys %$itemtypes ) {
 261         my %row = (
 262             value       => $thisitemtype,
 263             description => $itemtypes->{$thisitemtype}->{translated_description},
 264         );
 265         push @itemtypesloop, \%row;
 266     }
 267     my $branches = GetBranches($only_my_branch);
 268     my @branchloop;
 269     for my $thisbranch (
 270         sort { $branches->{$a}->{branchname} cmp $branches->{$b}->{branchname} }
 271         keys %{$branches}
 272       )
 273     {
 274         push @branchloop,
 275           {
 276             value      => $thisbranch,
 277             selected   => %branchmap ? $branchmap{$thisbranch} : 1,
 278             branchname => $branches->{$thisbranch}->{'branchname'},
 279           };
 280     }
 281
 282     my $authtypes = getauthtypes;
 283     my @authtypesloop;
 284     foreach my $thisauthtype ( sort keys %$authtypes ) {
 285         next unless $thisauthtype;
 286         my %row = (
 287             value       => $thisauthtype,
 288             description => $authtypes->{$thisauthtype}->{'authtypetext'},
 289         );
 290         push @authtypesloop, \%row;
 291     }
 292
 293     if (   $flags->{superlibrarian}
 294         && C4::Context->config('backup_db_via_tools')
 295         && $backupdir
 296         && -d $backupdir )
 297     {
 298         $template->{VARS}->{'allow_db_export'} = 1;
 299         $template->{VARS}->{'dbfiles'}         = getbackupfilelist(
 300             { directory => "$backupdir", extension => 'sql' } );
 301     }
 302
 303     if (   $flags->{superlibrarian}
 304         && C4::Context->config('backup_conf_via_tools')
 305         && $backupdir
 306         && -d $backupdir )
 307     {
 308         $template->{VARS}->{'allow_conf_export'} = 1;
 309         $template->{VARS}->{'conffiles'}         = getbackupfilelist(
 310             { directory => "$backupdir", extension => 'tar' } );
 311     }
 312
 313     $template->param(
 314         branchloop               => \@branchloop,
 315         itemtypeloop             => \@itemtypesloop,
 316         authtypeloop             => \@authtypesloop,
 317         export_remove_fields     => C4::Context->preference("ExportRemoveFields"),
 318         csv_profiles             => C4::Csv::GetCsvProfiles('marc'),
 319     );
 320
 321     output_html_with_http_headers $query, $cookie, $template->output;
 322 }
 323
 324 sub getbackupfilelist {
 325     my $args      = shift;
 326     my $directory = $args->{directory};
 327     my $extension = $args->{extension};
 328     my @files;
 329
 330     if ( opendir( my $dir, $directory ) ) {
 331         while ( my $file = readdir($dir) ) {
 332             next unless ( $file =~ m/\.$extension(\.(gz|bz2|xz))?/ );
 333             push @files, $file
 334               if ( -f "$directory/$file" && -r "$directory/$file" );
 335         }
 336         closedir($dir);
 337     }
 338     return \@files;
 339 }
 340
 341 sub download_backup {
 342     my $args      = shift;
 343     my $directory = $args->{directory};
 344     my $extension = $args->{extension};
 345     my $filename  = $args->{filename};
 346
 347     return unless ( $directory && -d $directory );
 348     return unless ( $filename =~ m/\.$extension(\.(gz|bz2|xz))?$/ );
 349     return if ( $filename =~ m#/# );
 350     $filename = "$directory/$filename";
 351     return unless ( -f $filename && -r $filename );
 352     return unless ( open( my $dump, '<', $filename ) );
 353     binmode $dump;
 354
 355     while ( read( $dump, my $data, 64 * 1024 ) ) {
 356         print $data;
 357     }
 358     close($dump);
 359     return 1;
 360 }