tools/picture-upload.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 #
  20 #
  21
  22 use Modern::Perl;
  23
  24 use File::Temp;
  25 use File::Copy;
  26 use CGI qw ( -utf8 );
  27 use GD;
  28 use C4::Context;
  29 use C4::Auth;
  30 use C4::Output;
  31 use C4::Members;
  32 use C4::Debug;
  33
  34 use Koha::Patrons;
  35 use Koha::Patron::Images;
  36 use Koha::Token;
  37
  38 my $input = new CGI;
  39
  40 unless (C4::Context->preference('patronimages')) {
  41     # redirect to intranet home if patronimages is not enabled
  42     print $input->redirect("/cgi-bin/koha/mainpage.pl");
  43     exit;
  44 }
  45
  46 my ($template, $loggedinuser, $cookie)
  47     = get_template_and_user({template_name => "tools/picture-upload.tt",
  48                                         query => $input,
  49                                         type => "intranet",
  50                                         flagsrequired => { tools => 'batch_upload_patron_images'},
  51                                         debug => 0,
  52                                         });
  53
  54 our $filetype      = $input->param('filetype') || '';
  55 my $cardnumber     = $input->param('cardnumber');
  56 our $uploadfilename = $input->param('uploadfile') || '';
  57 my $uploadfile     = $input->upload('uploadfile');
  58 my $borrowernumber = $input->param('borrowernumber');
  59 my $op             = $input->param('op') || '';
  60
  61 #FIXME: This code is really in the rough. The variables need to be re-scoped as the two subs depend on global vars to operate.
  62 #       Other parts of this code could be optimized as well, I think. Perhaps the file upload could be done with YUI's upload
  63 #       coded. -fbcit
  64
  65 $debug and warn "Params are: filetype=$filetype, cardnumber=$cardnumber, borrowernumber=$borrowernumber, uploadfile=$uploadfilename";
  66
  67 =head1 NAME
  68
  69 picture-upload.pl - Script for handling uploading of both single and bulk patronimages and importing them into the database.
  70
  71 =head1 SYNOPSIS
  72
  73 picture-upload.pl
  74
  75 =head1 DESCRIPTION
  76
  77 This script is called and presents the user with an interface allowing him/her to upload a single patron image or bulk patron images via a zip file.
  78 Files greater than 100K will be refused. Images should be 140x200 pixels. If they are larger they will be auto-resized to comply.
  79
  80 =cut
  81
  82 $debug and warn "Operation requested: $op";
  83
  84 my ( $total, $handled, $tempfile, $tfh );
  85 our @counts = ();
  86 our %errors = ();
  87
  88 # Case is important in these operational values as the template must use case to be visually pleasing!
  89 if ( ( $op eq 'Upload' ) && $uploadfile ) {
  90
  91     output_and_exit( $input, $cookie, $template, 'wrong_csrf_token' )
  92         unless Koha::Token->new->check_csrf({
  93             session_id => scalar $input->cookie('CGISESSID'),
  94             token  => scalar $input->param('csrf_token'),
  95         });
  96
  97     my $dirname = File::Temp::tempdir( CLEANUP => 1 );
  98     $debug and warn "dirname = $dirname";
  99     my $filesuffix;
 100     if ( $uploadfilename =~ m/(\..+)$/i ) {
 101         $filesuffix = $1;
 102     }
 103     ( $tfh, $tempfile ) =
 104       File::Temp::tempfile( SUFFIX => $filesuffix, UNLINK => 1 );
 105     $debug and warn "tempfile = $tempfile";
 106     my ( @directories, $results );
 107
 108     $errors{'NOTZIP'} = 1
 109       if ( $uploadfilename !~ /\.zip$/i && $filetype =~ m/zip/i );
 110     $errors{'NOWRITETEMP'} = 1 unless ( -w $dirname );
 111     $errors{'EMPTYUPLOAD'} = 1 unless ( length($uploadfile) > 0 );
 112
 113     if (%errors) {
 114         $template->param( ERRORS => [ \%errors ] );
 115         output_html_with_http_headers $input, $cookie, $template->output;
 116         exit;
 117     }
 118     while (<$uploadfile>) {
 119         print $tfh $_;
 120     }
 121     close $tfh;
 122     if ( $filetype eq 'zip' ) {
 123         qx/unzip $tempfile -d $dirname/;
 124         my $exit_code = $?;
 125         unless ( $exit_code == 0 ) {
 126             $errors{'UZIPFAIL'} = $uploadfilename;
 127             $template->param( ERRORS => [ \%errors ] );
 128             # This error is fatal to the import, so bail out here
 129             output_html_with_http_headers $input, $cookie, $template->output;
 130             exit;
 131         }
 132         push @directories, "$dirname";
 133         foreach my $recursive_dir (@directories) {
 134             opendir RECDIR, $recursive_dir;
 135             while ( my $entry = readdir RECDIR ) {
 136                 push @directories, "$recursive_dir/$entry"
 137                   if ( -d "$recursive_dir/$entry" and $entry !~ /^\./ );
 138                 $debug and warn "$recursive_dir/$entry";
 139             }
 140             closedir RECDIR;
 141         }
 142         foreach my $dir (@directories) {
 143             $results = handle_dir( $dir, $filesuffix, $template );
 144             $handled++ if $results == 1;
 145         }
 146         $total = scalar @directories;
 147     }
 148     else {
 149         #if ($filetype eq 'zip' )
 150         $results = handle_dir( $dirname, $filesuffix, $template, $cardnumber,
 151             $tempfile );
 152         $handled++ if $results == 1;
 153         $total   = 1;
 154     }
 155
 156     if ( $results!=1 || %errors ) {
 157         $template->param( ERRORS => [$results] );
 158     }
 159     else {
 160         my $filecount;
 161         map { $filecount += $_->{count} } @counts;
 162         $debug and warn "Total directories processed: $total";
 163         $debug and warn "Total files processed: $filecount";
 164         $template->param(
 165             TOTAL   => $total,
 166             HANDLED => $handled,
 167             COUNTS  => \@counts,
 168             TCOUNTS => ( $filecount > 0 ? $filecount : undef ),
 169         );
 170         $template->param( borrowernumber => $borrowernumber )
 171           if $borrowernumber;
 172     }
 173 }
 174 elsif ( ( $op eq 'Upload' ) && !$uploadfile ) {
 175     warn "Problem uploading file or no file uploaded.";
 176     $template->param( cardnumber => $cardnumber );
 177     $template->param( filetype   => $filetype );
 178 }
 179 elsif ( $op eq 'Delete' ) {
 180     output_and_exit( $input, $cookie, $template, 'wrong_csrf_token' )
 181         unless Koha::Token->new->check_csrf({
 182             session_id => scalar $input->cookie('CGISESSID'),
 183             token  => scalar $input->param('csrf_token'),
 184         });
 185
 186     my $deleted = eval {
 187         Koha::Patron::Images->find( $borrowernumber )->delete;
 188     };
 189     if ( $@ or not $deleted ) {
 190         warn "Image for patron '$borrowernumber' has not been deleted";
 191     }
 192 }
 193 if ( $borrowernumber && !%errors && !$template->param('ERRORS') ) {
 194     print $input->redirect(
 195         "/cgi-bin/koha/members/moremember.pl?borrowernumber=$borrowernumber");
 196 }
 197 else {
 198     $template->param(
 199         csrf_token => Koha::Token->new->generate_csrf({
 200             session_id => scalar $input->cookie('CGISESSID'),
 201         }),
 202     );
 203     output_html_with_http_headers $input, $cookie, $template->output;
 204 }
 205
 206 sub handle_dir {
 207     my ( $dir, $suffix, $template, $cardnumber, $source ) = @_;
 208     my ( %counts, %direrrors );
 209     $debug and warn "Entering sub handle_dir; passed \$dir=$dir, \$suffix=$suffix";
 210     if ( $suffix =~ m/zip/i ) {
 211         # If we were sent a zip file, process any included data/idlink.txt files
 212         my ( $file, $filename );
 213         undef $cardnumber;
 214         $debug and warn "Passed a zip file.";
 215         opendir DIR, $dir;
 216         while ( my $filename = readdir DIR ) {
 217             $file = "$dir/$filename"
 218               if ( $filename =~ m/datalink\.txt/i
 219                 || $filename =~ m/idlink\.txt/i );
 220         }
 221         my $fh;
 222         unless ( open( $fh, '<', $file ) ) {
 223             warn "Opening $dir/$file failed!";
 224             $direrrors{'OPNLINK'} = $file;
 225             # This error is fatal to the import of this directory contents
 226             # so bail and return the error to the caller
 227             return \%direrrors;
 228         }
 229
 230         while ( my $line = <$fh> ) {
 231             $debug and warn "Reading contents of $file";
 232             chomp $line;
 233             $debug and warn "Examining line: $line";
 234             my $delim = ( $line =~ /\t/ ) ? "\t" : ( $line =~ /,/ ) ? "," : "";
 235             $debug and warn "Delimeter is \'$delim\'";
 236             unless ( $delim eq "," || $delim eq "\t" ) {
 237                 warn "Unrecognized or missing field delimeter. Please verify that you are using either a ',' or a 'tab'";
 238                 $direrrors{'DELERR'} = 1;
 239                 # This error is fatal to the import of this directory contents
 240                 # so bail and return the error to the caller
 241                 return \%direrrors;
 242             }
 243             ( $cardnumber, $filename ) = split $delim, $line;
 244             $cardnumber =~ s/[\"\r\n]//g; # remove offensive characters
 245             $filename   =~ s/[\"\r\n\s]//g;
 246             $debug and warn "Cardnumber: $cardnumber Filename: $filename";
 247             $source = "$dir/$filename";
 248             %counts = handle_file( $cardnumber, $source, $template, %counts );
 249         }
 250         close $fh;
 251         closedir DIR;
 252     }
 253     else {
 254         %counts = handle_file( $cardnumber, $source, $template, %counts );
 255     }
 256     push @counts, \%counts;
 257     return 1;
 258 }
 259
 260 sub handle_file {
 261     my ( $cardnumber, $source, $template, %count ) = @_;
 262     $debug and warn "Entering sub handle_file; passed \$cardnumber=$cardnumber, \$source=$source";
 263     $count{filenames} = ()      if !$count{filenames};
 264     $count{source}    = $source if !$count{source};
 265     $count{count}     = 0       unless exists $count{count};
 266     my %filerrors;
 267     my $filename;
 268     if ( $filetype eq 'image' ) {
 269         $filename = $uploadfilename;
 270     }
 271     else {
 272         $filename = $1 if ( $source && $source =~ /\/([^\/]+)$/ );
 273     }
 274     if ( $cardnumber && $source ) {
 275         # Now process any imagefiles
 276         $debug and warn "Source: $source";
 277         my $size = ( stat($source) )[7];
 278         if ( $size > 550000 ) {
 279             # This check is necessary even with image resizing to avoid possible security/performance issues...
 280             $filerrors{'OVRSIZ'} = 1;
 281             push my @filerrors, \%filerrors;
 282             push @{ $count{filenames} },
 283               {
 284                 filerrors  => \@filerrors,
 285                 source     => $filename,
 286                 cardnumber => $cardnumber
 287               };
 288             $template->param( ERRORS => 1 );
 289             # this one is fatal so bail here...
 290             return %count;
 291         }
 292         my ( $srcimage, $image );
 293         if ( open( my $fh, '<', $source ) ) {
 294             $srcimage = GD::Image->new($fh);
 295             close($fh);
 296             if ( defined $srcimage ) {
 297                 my $imgfile;
 298                 my $mimetype = 'image/png';
 299                 # GD autodetects three basic image formats: PNG, JPEG, XPM
 300                 # we will convert all to PNG which is lossless...
 301                 # Check the pixel size of the image we are about to import...
 302                 my ( $width, $height ) = $srcimage->getBounds();
 303                 $debug and warn "$filename is $width pix X $height pix.";
 304                 if ( $width > 200 || $height > 300 ) {
 305                     # MAX pixel dims are 200 X 300...
 306                     $debug and warn "$filename exceeds the maximum pixel dimensions of 200 X 300. Resizing...";
 307                     # Percent we will reduce the image dimensions by...
 308                     my $percent_reduce;
 309                     if ( $width > 200 ) {
 310                         # If the width is oversize, scale based on width overage...
 311                         $percent_reduce = sprintf( "%.5f", ( 140 / $width ) );
 312                     }
 313                     else {
 314                         # otherwise scale based on height overage.
 315                         $percent_reduce = sprintf( "%.5f", ( 200 / $height ) );
 316                     }
 317                     my $width_reduce =
 318                       sprintf( "%.0f", ( $width * $percent_reduce ) );
 319                     my $height_reduce =
 320                       sprintf( "%.0f", ( $height * $percent_reduce ) );
 321                     $debug
 322                       and warn "Reducing $filename by "
 323                       . ( $percent_reduce * 100 )
 324                       . "\% or to $width_reduce pix X $height_reduce pix";
 325                     #'1' creates true color image...
 326                     $image = GD::Image->new( $width_reduce, $height_reduce, 1 );
 327                     $image->copyResampled( $srcimage, 0, 0, 0, 0, $width_reduce,
 328                         $height_reduce, $width, $height );
 329                     $imgfile = $image->png();
 330                     $debug
 331                       and warn "$filename is "
 332                       . length($imgfile)
 333                       . " bytes after resizing.";
 334                     undef $image;
 335                     undef $srcimage; # This object can get big...
 336                 }
 337                 else {
 338                     $image   = $srcimage;
 339                     $imgfile = $image->png();
 340                     $debug
 341                       and warn "$filename is " . length($imgfile) . " bytes.";
 342                     undef $image;
 343                     undef $srcimage; # This object can get big...
 344                 }
 345                 $debug and warn "Image is of mimetype $mimetype";
 346                 if ($mimetype) {
 347                     my $patron = Koha::Patrons->find({ cardnumber => $cardnumber });
 348                     if ( $patron ) {
 349                         my $image = $patron->image;
 350                         $image ||= Koha::Patron::Image->new({ borrowernumber => $patron->borrowernumber });
 351                         $image->set({
 352                             mimetype => $mimetype,
 353                             imagefile => $imgfile,
 354                         });
 355                         eval { $image->store };
 356                         if ( $@ ) {
 357                             # Errors from here on are fatal only to the import of a particular image
 358                             #so don't bail, just note the error and keep going
 359                             warn "Database returned error: $@";
 360                             $filerrors{'DBERR'} = 1;
 361                             push my @filerrors, \%filerrors;
 362                             push @{ $count{filenames} },
 363                               {
 364                                 filerrors  => \@filerrors,
 365                                 source     => $filename,
 366                                 cardnumber => $cardnumber
 367                               };
 368                             $template->param( ERRORS => 1 );
 369                         } else {
 370                             $count{count}++;
 371                             push @{ $count{filenames} },
 372                               { source => $filename, cardnumber => $cardnumber };
 373                         }
 374                     } else {
 375                         warn "Patron with the cardnumber '$cardnumber' does not exist";
 376                         $filerrors{'CARDNUMBER_DOES_NOT_EXIST'} = 1;
 377                         push my @filerrors, \%filerrors;
 378                         push @{ $count{filenames} },
 379                           {
 380                             filerrors  => \@filerrors,
 381                             source     => $filename,
 382                             cardnumber => $cardnumber
 383                           };
 384                         $template->param( ERRORS => 1 );
 385                     }
 386                 }
 387                 else {
 388                     warn "Unable to determine mime type of $filename. Please verify mimetype.";
 389                     $filerrors{'MIMERR'} = 1;
 390                     push my @filerrors, \%filerrors;
 391                     push @{ $count{filenames} },
 392                       {
 393                         filerrors  => \@filerrors,
 394                         source     => $filename,
 395                         cardnumber => $cardnumber
 396                       };
 397                     $template->param( ERRORS => 1 );
 398                 }
 399             }
 400             else {
 401                 warn "Contents of $filename corrupted!";
 402                 #$count{count}--;
 403                 $filerrors{'CORERR'} = 1;
 404                 push my @filerrors, \%filerrors;
 405                 push @{ $count{filenames} },
 406                   {
 407                     filerrors  => \@filerrors,
 408                     source     => $filename,
 409                     cardnumber => $cardnumber
 410                   };
 411                 $template->param( ERRORS => 1 );
 412             }
 413         }
 414         else {
 415             warn "Opening $source failed!";
 416             $filerrors{'OPNERR'} = 1;
 417             push my @filerrors, \%filerrors;
 418             push @{ $count{filenames} },
 419               {
 420                 filerrors  => \@filerrors,
 421                 source     => $filename,
 422                 cardnumber => $cardnumber
 423               };
 424             $template->param( ERRORS => 1 );
 425         }
 426     }
 427     else {
 428         # The need for this seems a bit unlikely, however, to maximize error trapping it is included
 429         warn "Missing "
 430           . (
 431             $cardnumber
 432             ? "filename"
 433             : ( $filename ? "cardnumber" : "cardnumber and filename" )
 434           );
 435         $filerrors{'CRDFIL'} = (
 436             $cardnumber
 437             ? "filename"
 438             : ( $filename ? "cardnumber" : "cardnumber and filename" )
 439         );
 440         push my @filerrors, \%filerrors;
 441         push @{ $count{filenames} },
 442           {
 443             filerrors  => \@filerrors,
 444             source     => $filename,
 445             cardnumber => $cardnumber
 446           };
 447         $template->param( ERRORS => 1 );
 448     }
 449     return (%count);
 450 }
 451
 452 =head1 AUTHORS
 453
 454 Original contributor(s) undocumented
 455
 456 Database storage, single patronimage upload option, and extensive error trapping contributed by Chris Nighswonger cnighswonger <at> foundations <dot> edu
 457 Image scaling/resizing contributed by the same.
 458
 459 =cut