git.sesse.net Git - pr0n/blob - perl/Sesse/pr0n/Rotate.pm

   1 package Sesse::pr0n::Rotate;
   2 use strict;
   3 use warnings;
   4
   5 use Sesse::pr0n::Common qw(error dberror);
   6 use Apache2::Request;
   7
   8 sub handler {
   9         my $r = shift;
  10         my $apr = Apache2::Request->new($r);
  11         my $dbh = Sesse::pr0n::Common::get_dbh();
  12         my ($user, $takenby) = Sesse::pr0n::Common::check_access($r);
  13         if (!defined($user)) {
  14                 return Apache2::Const::OK;
  15         }
  16
  17         # FIXME: People can rotate and delete across vhosts using this interface.
  18         # We should add some sanity checks.
  19
  20         my @to_purge = ();
  21
  22         Sesse::pr0n::Common::header($r, "Rotation/deletion results");
  23
  24         {
  25                 # Enable transactions and error raising temporarily
  26                 local $dbh->{RaiseError} = 1;
  27
  28                 my @params = $apr->param();
  29                 my $key;
  30                 for $key (@params) {
  31                         local $dbh->{AutoCommit} = 0;
  32
  33                         # Rotation
  34                         if ($key =~ /^rot-(\d+)-(90|180|270)$/ && $apr->param($key) eq 'on') {
  35                                 my ($id, $rotval) = ($1,$2);
  36                                 my $fname = Sesse::pr0n::Common::get_disk_location($r, $id);
  37                                 push @to_purge, Sesse::pr0n::Common::get_all_cache_urls($r, $dbh, $id);
  38                                 (my $tmpfname = $fname) =~ s/\.jpg$/-tmp.jpg/;
  39
  40                                 system("/usr/bin/jpegtran -rotate $rotval -copy all < '$fname' > '$tmpfname' && /bin/mv '$tmpfname' '$fname'") == 0
  41                                         or error($r, "Rotation of $id [/usr/bin/jpegtran -rotate $rotval -copy all < '$fname' > '$tmpfname' && /bin/mv '$tmpfname' '$fname'] failed: $!.");
  42                                 $r->print("    <p>Rotated image ID `$id' by $rotval degrees.</p>\n");
  43
  44                                 if ($rotval == 90 || $rotval == 270) {
  45                                         my $q = $dbh->do('UPDATE images SET height=width,width=height WHERE id=?', undef, $id)
  46                                                 or dberror($r, "Size clear of $id failed");
  47                                         $dbh->do('UPDATE last_picture_cache SET last_update=CURRENT_TIMESTAMP WHERE (vhost,event)=( SELECT vhost,event FROM images WHERE id=? )',
  48                                                 undef, $id)
  49                                                 or dberror($r, "Cache invalidation at $id failed");
  50                                 }
  51                         } elsif ($key =~ /^del-(\d+)$/ && $apr->param($key) eq 'on') {
  52                                 my $id = $1;
  53                                 push @to_purge, Sesse::pr0n::Common::get_all_cache_urls($r, $dbh, $id);
  54                                 {
  55
  56                                         eval {
  57                                                 $dbh->do('UPDATE last_picture_cache SET last_update=CURRENT_TIMESTAMP WHERE (vhost,event)=( SELECT vhost,event FROM images WHERE id=? )',
  58                                                         undef, $id);
  59                                                 $dbh->do('INSERT INTO deleted_images SELECT * FROM images WHERE id=?',
  60                                                         undef, $id);
  61                                                 $dbh->do('DELETE FROM exif_info WHERE image=?',
  62                                                         undef, $id);
  63                                                 $dbh->do('DELETE FROM images WHERE id=?',
  64                                                         undef, $id);
  65                                         };
  66                                         if ($@) {
  67 # Some error occurred, rollback and bomb out
  68                                                 $dbh->rollback;
  69                                                 dberror($r, "Transaction aborted because $@");
  70                                         }
  71                                 }
  72                                 $r->print("    <p>Deleted image `$id'.</p>\n");
  73                         }
  74                 }
  75         }
  76
  77         my $event = $apr->param('event');
  78         $dbh->do('UPDATE last_picture_cache SET last_update=CURRENT_TIMESTAMP WHERE vhost=? AND event=?', undef, $r->get_server_name, $event)
  79                 or dberror($r, "Cache invalidation failed");
  80
  81         push @to_purge, "/$event/";
  82         push @to_purge, "/+all/";
  83         Sesse::pr0n::Common::purge_cache($r, @to_purge);
  84
  85         Sesse::pr0n::Common::footer($r);
  86
  87         return Apache2::Const::OK;
  88 }
  89
  90 1;
  91
  92