1 package Sesse::pr0n::Common;
5 use Sesse::pr0n::Overload;
6 use Sesse::pr0n::QscaleProxy;
7 use Sesse::pr0n::Templates;
24 use Crypt::Eksblowfish::Bcrypt;
29 our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
31 use Sesse::pr0n::Config;
33 require Sesse::pr0n::Config_local;
38 @EXPORT = qw(&error &dberror);
40 @EXPORT_OK = qw(&error &dberror);
42 our $dbh = DBI->connect("dbi:Pg:dbname=pr0n;host=" . $Sesse::pr0n::Config::db_host,
43 $Sesse::pr0n::Config::db_username, $Sesse::pr0n::Config::db_password)
44 or die "Couldn't connect to PostgreSQL database: " . DBI->errstr;
45 our $mimetypes = new MIME::Types;
47 print STDERR "Initializing pr0n $VERSION\n";
54 our ($dbh, $mimetypes);
57 my ($r,$err,$status,$title) = @_;
59 if (!defined($status) || !defined($title)) {
61 $title = "Internal server error";
64 my $res = Plack::Response->new($status);
65 my $io = IO::String->new;
67 $r->content_type('text/html; charset=utf-8');
69 header($r, $io, $title);
70 $io->print(" <p>Error: $err</p>\n");
74 log_error($r, "Stack trace follows: " . Carp::longmess());
83 return error($r, "$err (DB error: " . $dbh->errstr . ")");
87 my ($r, $io, $title) = @_;
89 $r->content_type("text/html; charset=utf-8");
91 # Fetch quote if we're itk-bilder.samfundet.no
93 if (Sesse::pr0n::Common::get_server_name($r) eq 'itk-bilder.samfundet.no') {
94 $quote = LWP::Simple::get("http://itk.samfundet.no/include/quotes.cli.php");
95 $quote = "Error: Could not fetch quotes." if (!defined($quote));
97 Sesse::pr0n::Templates::print_template($r, $io, "header", { title => $title, quotes => $quote });
102 Sesse::pr0n::Templates::print_template($r, $io, "footer",
103 { version => $Sesse::pr0n::Common::VERSION });
107 my ($width, $height, $thumbxres, $thumbyres) = @_;
109 unless ($thumbxres >= $width &&
110 $thumbyres >= $height) {
111 my $sfh = $width / $thumbxres;
112 my $sfv = $height / $thumbyres;
120 $width = POSIX::floor($width);
121 $height = POSIX::floor($height);
124 return ($width, $height);
127 sub get_query_string {
128 my ($param, $defparam) = @_;
132 for my $key (sort keys %$param) {
133 my $value = $param->{$key};
134 next unless defined($value);
135 next if (defined($defparam->{$key}) && $value == $defparam->{$key});
137 $value = pretty_escape($value);
139 $str .= ($first) ? "?" : ';';
140 $str .= "$key=$value";
146 # This is not perfect (it can't handle "_ " right, for one), but it will do for now
147 sub weird_space_encode {
150 return "_" x (length($val) * 2);
152 return "_" x (length($val) * 2 - 1);
156 sub weird_space_unencode {
158 if (length($val) % 2 == 0) {
159 return "_" x (length($val) / 2);
161 return " " x ((length($val) + 1) / 2);
168 $value =~ s/(([_ ])\2*)/weird_space_encode($1)/ge;
169 $value = URI::Escape::uri_escape($value);
170 $value =~ s/%2F/\//g;
175 sub pretty_unescape {
178 # URI unescaping is already done for us
179 $value =~ s/(_+)/weird_space_unencode($1)/ge;
185 my ($io, $title, $baseurl, $param, $defparam, $accesskey) = @_;
186 my $str = "<a href=\"$baseurl" . get_query_string($param, $defparam) . "\"";
187 if (defined($accesskey) && length($accesskey) == 1) {
188 $str .= " accesskey=\"$accesskey\"";
190 $str .= ">$title</a>";
195 # Check that we are alive
196 if (!(defined($dbh) && $dbh->ping)) {
198 print STDERR "Lost contact with PostgreSQL server, trying to reconnect...\n";
199 unless ($dbh = DBI->connect("dbi:Pg:dbname=pr0n;host=" . $Sesse::pr0n::Config::db_host,
200 $Sesse::pr0n::Config::db_username, $Sesse::pr0n::Config::db_password)) {
202 die "Couldn't connect to PostgreSQL database";
209 sub get_disk_location {
211 my $dir = POSIX::floor($id / 256);
212 return $Sesse::pr0n::Config::image_base . "images/$dir/$id.jpg";
215 sub get_cache_location {
216 my ($id, $width, $height, $format) = @_;
217 my $dir = POSIX::floor($id / 256);
219 return $Sesse::pr0n::Config::image_base . "cache/$dir/$id-$width-$height-nobox.$format";
222 sub ensure_disk_location_exists {
224 my $dir = POSIX::floor($id / 256);
226 my $img_dir = $Sesse::pr0n::Config::image_base . "/images/$dir/";
228 log_info($r, "Need to create new image directory $img_dir");
229 mkdir($img_dir); # Ignore errors, there could be a race.
230 -d $img_dir or die "Couldn't create new image directory $img_dir";
233 my $cache_dir = $Sesse::pr0n::Config::image_base . "/cache/$dir/";
234 if (! -d $cache_dir) {
235 log_info($r, "Need to create new cache directory $cache_dir");
236 mkdir($cache_dir); # Ignore errors, there could be a race.
237 -d $cache_dir or die "Couldn't create new cache directory $cache_dir";
241 sub get_mipmap_location {
242 my ($r, $id, $width, $height) = @_;
243 my $dir = POSIX::floor($id / 256);
245 return $Sesse::pr0n::Config::image_base . "cache/$dir/$id-mipmap-$width-$height.jpg";
248 sub update_image_info {
249 my ($r, $id, $width, $height) = @_;
251 # Also find the date taken if appropriate (from the EXIF tag etc.)
252 my $exiftool = Image::ExifTool->new;
253 $exiftool->ExtractInfo(get_disk_location($r, $id));
254 my $info = $exiftool->GetInfo();
255 my $datetime = undef;
257 if (defined($info->{'DateTimeOriginal'})) {
258 # Parse the date and time over to ISO format
259 if ($info->{'DateTimeOriginal'} =~ /^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)(?:\+\d\d:\d\d)?$/ && $1 > 1990) {
260 $datetime = "$1-$2-$3 $4:$5:$6";
265 local $dbh->{AutoCommit} = 0;
268 $dbh->do('DELETE FROM exif_info WHERE image=?',
270 or die "Couldn't delete old EXIF information in SQL: $!";
272 my $q = $dbh->prepare('INSERT INTO exif_info (image,key,value) VALUES (?,?,?)')
273 or die "Couldn't prepare inserting EXIF information: $!";
275 for my $key (keys %$info) {
276 next if ref $info->{$key};
277 $q->execute($id, $key, guess_charset($info->{$key}))
278 or die "Couldn't insert EXIF information in database: $!";
282 my $model = $exiftool->GetValue('Model', 'PrintConv');
283 my $lens = $exiftool->GetValue('Lens', 'PrintConv');
284 $lens = $exiftool->GetValue('LensSpec', 'PrintConv') if (!defined($lens));
288 $model = undef if (length($model) == 0);
292 $lens = undef if (length($lens) == 0);
294 # Now update the main table with the information we've got
295 $dbh->do('UPDATE images SET width=?, height=?, date=?, model=?, lens=? WHERE id=?',
296 undef, $width, $height, $datetime, $model, $lens, $id)
297 or die "Couldn't update width/height in SQL: $!";
299 # update the last_picture cache as well (this should of course be done
300 # via a trigger, but this is less complicated :-) )
301 $dbh->do('UPDATE last_picture_cache SET last_picture=GREATEST(last_picture, ?),last_update=CURRENT_TIMESTAMP WHERE (vhost,event)=(SELECT vhost,event FROM images WHERE id=?)',
302 undef, $datetime, $id)
303 or die "Couldn't update last_picture in SQL: $!";
310 #return qw(sesse Sesse);
312 my $auth = $r->header('authorization');
313 if (!defined($auth)) {
316 if ($auth =~ /^Basic ([a-zA-Z0-9+\/]+=*)$/) {
317 return check_basic_auth($r, $1);
324 my $res = Plack::Response->new(401);
325 $res->content_type('text/plain; charset=utf-8');
327 $res->header('WWW-Authenticate' => 'Basic realm="pr0n.sesse.net"');
329 $res->body("Need authorization\n");
333 sub check_basic_auth {
336 my ($raw_user, $pass) = split /:/, MIME::Base64::decode_base64($auth);
337 my ($user, $takenby) = extract_takenby($raw_user);
339 my $ref = $dbh->selectrow_hashref('SELECT cryptpassword FROM users WHERE username=? AND vhost=?',
340 undef, $user, Sesse::pr0n::Common::get_server_name($r));
341 my $bcrypt_matches = 0;
342 if (!defined($ref) || Crypt::Eksblowfish::Bcrypt::bcrypt($pass, $ref->{'cryptpassword'}) ne $ref->{'cryptpassword'}) {
343 $r->content_type('text/plain; charset=utf-8');
344 log_warn($r, "Authentication failed for $user/$takenby");
347 log_info($r, "Authentication succeeded for $user/$takenby");
349 return ($user, $takenby);
352 sub get_pseudorandom_bytes {
353 my $num_left = shift;
355 open my $randfh, "<", "/dev/urandom"
356 or die "/dev/urandom: $!";
358 while ($num_left > 0) {
360 if (sysread($randfh, $tmp, $num_left) == -1) {
361 die "sysread(/dev/urandom): $!";
364 $num_left -= length($bytes);
370 sub extract_takenby {
373 # WinXP is stupid :-)
374 if ($user =~ /^.*\\(.*)$/) {
379 if ($user =~ /^([a-zA-Z0-9^_-]+)\@([a-zA-Z0-9^_-]+)$/) {
383 ($takenby = $user) =~ s/^([a-zA-Z])/uc($1)/e;
386 return ($user, $takenby);
390 my ($r, $event, $filename) = (@_);
391 my $ref = $dbh->selectrow_hashref(
392 'SELECT id FROM images WHERE event=? AND filename=?',
393 undef, $event, $filename);
394 if (!defined($ref)) {
395 return (undef, undef, undef);
397 return stat_image_from_id($r, $ref->{'id'});
400 sub stat_image_from_id {
403 my $fname = get_disk_location($r, $id);
404 my (undef, undef, undef, undef, undef, undef, undef, $size, undef, $mtime) = stat($fname)
405 or return (undef, undef, undef);
407 return ($fname, $size, $mtime);
410 # Takes in an image ID and a set of resolutions, and returns (generates if needed)
411 # the smallest mipmap larger than the largest of them, as well as the original image
414 my ($r, $filename, $id, $dbwidth, $dbheight, @res) = @_;
415 my ($img, $mmimg, $width, $height);
417 my $physical_fname = get_disk_location($r, $id);
419 # If we don't know the size, we'll need to read it in anyway
420 if (!defined($dbwidth) || !defined($dbheight)) {
421 $img = read_original_image($r, $filename, $id, $dbwidth, $dbheight);
422 $width = $img->Get('columns');
423 $height = $img->Get('rows');
429 # Generate the list of mipmaps
432 my $mmwidth = $width;
433 my $mmheight = $height;
435 while ($mmwidth > 1 || $mmheight > 1) {
436 my $new_mmwidth = POSIX::floor($mmwidth / 2);
437 my $new_mmheight = POSIX::floor($mmheight / 2);
439 $new_mmwidth = 1 if ($new_mmwidth < 1);
440 $new_mmheight = 1 if ($new_mmheight < 1);
442 my $large_enough = 1;
443 for my $i (0..($#res/2)) {
444 my ($xres, $yres) = ($res[$i*2], $res[$i*2+1]);
445 if ($xres == -1 || $xres > $new_mmwidth || $yres > $new_mmheight) {
451 last if (!$large_enough);
453 $mmwidth = $new_mmwidth;
454 $mmheight = $new_mmheight;
456 push @mmlist, [ $mmwidth, $mmheight ];
459 # Ensure that all of them are OK
460 my $last_good_mmlocation;
461 for my $i (0..$#mmlist) {
462 my $last = ($i == $#mmlist);
463 my $mmres = $mmlist[$i];
465 my $mmlocation = get_mipmap_location($r, $id, $mmres->[0], $mmres->[1]);
466 if (! -r $mmlocation or (-M $mmlocation > -M $physical_fname)) {
467 if (!defined($img)) {
468 if (defined($last_good_mmlocation)) {
469 $img = Sesse::pr0n::QscaleProxy->new;
470 $img->Read($last_good_mmlocation);
472 $img = read_original_image($r, $filename, $id, $dbwidth, $dbheight);
479 $cimg = $img->Clone();
481 log_info($r, "Making mipmap for $id: " . $mmres->[0] . " x " . $mmres->[1]);
482 $cimg->Resize(width=>$mmres->[0], height=>$mmres->[1], filter=>'Lanczos', 'sampling-factor'=>'1x1');
484 my $err = $cimg->write(
485 filename => $mmlocation,
487 'sampling-factor' => '1x1'
491 $last_good_mmlocation = $mmlocation;
493 if ($last && !defined($img)) {
494 # OK, read in the smallest one
495 $img = Sesse::pr0n::QscaleProxy->new;
496 my $err = $img->Read($mmlocation);
500 if (!defined($img)) {
501 $img = read_original_image($r, $filename, $id, $dbwidth, $dbheight);
502 $width = $img->Get('columns');
503 $height = $img->Get('rows');
505 return ($img, $width, $height);
508 sub read_original_image {
509 my ($r, $filename, $id, $dbwidth, $dbheight) = @_;
511 my $physical_fname = get_disk_location($r, $id);
513 # Read in the original image
515 if ($filename =~ /\.jpeg$/i || $filename =~ /\.jpg$/i) {
516 $magick = Sesse::pr0n::QscaleProxy->new;
518 $magick = Image::Magick->new;
522 if ($filename =~ /\.(nef|cr2)$/i) {
523 $physical_fname = "NEF:$physical_fname";
524 $err = $magick->Read($physical_fname);
526 # We always want YCbCr JPEGs. Setting this explicitly here instead of using
527 # RGB is slightly faster (no colorspace conversion needed) and works equally
528 # well for our uses, as long as we don't need to draw an information box,
529 # which trickles several ImageMagick bugs related to colorspace handling.
530 # (Ideally we'd be able to keep the image subsampled and
531 # planar, but that would probably be difficult for ImageMagick to expose.)
533 # $magick->Set(colorspace=>'YCbCr');
535 $err = $magick->Read($physical_fname);
539 log_warn($r, "$physical_fname: $err");
543 error($r, "$physical_fname: $err");
547 # If we use ->[0] unconditionally, text rendering (!) seems to crash
549 if (ref($magick) !~ /Image::Magick/) {
552 $img = (scalar @$magick > 1) ? $magick->[0] : $magick;
559 my ($r, $avif_ok, $jxl_ok, $filename, $id, $dbwidth, $dbheight, $xres, $yres, @otherres) = @_;
561 my $fname = get_disk_location($r, $id);
562 unless (defined($xres) && (!defined($dbwidth) || !defined($dbheight) || $xres < $dbwidth || $yres < $dbheight || $xres == -1)) {
563 return ($fname, undef);
566 # See if we have an up-to-date JPEG-XL or AVIF to serve.
567 # (We never generate them on-the-fly, since they're so slow.)
568 my $cachename = get_cache_location($id, $xres, $yres, 'jxl');
569 if ($jxl_ok && -r $cachename and (-M $cachename <= -M $fname)) {
570 return ($cachename, 'image/jxl');
573 $cachename = get_cache_location($id, $xres, $yres, 'avif');
574 if ($avif_ok && -r $cachename and (-M $cachename <= -M $fname)) {
575 return ($cachename, 'image/avif');
578 $cachename = get_cache_location($id, $xres, $yres, 'jpg');
579 if (! -r $cachename or (-M $cachename > -M $fname)) {
580 # If we are in overload mode (aka Slashdot mode), refuse to generate
582 if (Sesse::pr0n::Overload::is_in_overload($r)) {
583 log_warn($r, "In overload mode, not scaling $id to $xres x $yres");
584 error($r, 'System is in overload mode, not doing any scaling');
587 make_cache($r, $filename, $id, $dbwidth, $dbheight, 'jpg', $xres, $yres, @otherres);
590 return ($cachename, 'image/jpeg');
594 my ($r, $filename, $id, $dbwidth, $dbheight, $format, $xres, $yres, @otherres) = @_;
596 my ($img, $new_dbwidth, $new_dbheight) = make_mipmap($r, $filename, $id, $dbwidth, $dbheight, $xres, $yres, @otherres);
598 # Update the SQL database if it doesn't contain the required info
599 if (!defined($dbwidth) && defined($new_dbwidth)) {
600 log_info($r, "Updating width/height for $id: $new_dbwidth x $new_dbheight");
601 update_image_info($r, $id, $new_dbwidth, $new_dbheight);
605 while (defined($xres) && defined($yres)) {
606 my ($nxres, $nyres) = (shift @otherres, shift @otherres);
607 my $cachename = get_cache_location($id, $xres, $yres, $format);
610 if (defined($nxres) && defined($nyres)) {
611 # we have more resolutions to scale, so don't throw
613 $cimg = $img->Clone();
618 my $width = $img->Get('columns');
619 my $height = $img->Get('rows');
620 my ($nwidth, $nheight) = scale_aspect($width, $height, $xres, $yres);
622 my $filter = 'Lanczos';
627 $cimg->Resize(width=>$nwidth, height=>$nheight, filter=>$filter);
630 # Strip EXIF tags etc.
633 if ($format eq 'jpg') {
635 filename => $cachename,
638 if (($nwidth >= 640 && $nheight >= 480) ||
639 ($nwidth >= 480 && $nheight >= 640)) {
640 $parms{'interlace'} = 'Plane';
643 $parms{'sampling-factor'} = $sf;
645 $err = $cimg->write(%parms);
646 } elsif ($format eq 'avif') {
647 # ImageMagick doesn't have AVIF support until version 7,
648 # and Debian hasn't packaged that even in unstable as of 2021.
649 # So we'll need to do it the manual way. (We don't use /tmp, for security reasons.)
650 (my $dirname = $cachename) =~ s,/[^/]*$,,;
651 my ($fh, $raw_filename) = File::Temp::tempfile('tmp.XXXXXXXX', DIR => $dirname, SUFFIX => '.ycbcr');
652 # Write a Y4M header, so that we get the chroma range correct.
653 printf $fh "YUV4MPEG2 W%d H%d F25:1 Ip A1:1 C444 XYSCSS=444 XCOLORRANGE=FULL\nFRAME\n", $nwidth, $nheight;
656 filename => $raw_filename,
659 $cimg->write(%parms);
662 ($fh, $ivf_filename) = File::Temp::tempfile('tmp.XXXXXXXX', DIR => $dirname, SUFFIX => '.ivf');
664 system('aomenc', '--quiet', '--cpu-used=0', '--bit-depth=10', '--end-usage=q', '--cq-level=13', '--target-bitrate=0', '--good', '--aq-mode=1', '--matrix-coefficients=bt601', '-o', $ivf_filename, $raw_filename);
665 unlink($raw_filename);
666 system('MP4Box', '-quiet', '-add-image', "$ivf_filename:primary", '-ab', 'avif', '-ab', 'miaf', '-new', $cachename);
667 unlink($ivf_filename);
668 } elsif ($format eq 'jxl') {
669 # Similar, for JPEG-XL.
670 (my $dirname = $cachename) =~ s,/[^/]*$,,;
671 my ($fh, $raw_filename) = File::Temp::tempfile('tmp.XXXXXXXX', DIR => $dirname, SUFFIX => '.ppm');
674 filename => $raw_filename
676 $cimg->write(%parms);
678 system('cjxl', '-p', $raw_filename, $cachename);
679 unlink($raw_filename);
681 die "Unknown format $format";
686 ($xres, $yres) = ($nxres, $nyres);
688 log_info($r, "New cache: $nwidth x $nheight ($format) for $id");
693 log_warn($r, "$filename: $err");
697 error($r, "$filename: $err");
702 sub get_mimetype_from_filename {
703 my $filename = shift;
704 my MIME::Type $type = $mimetypes->mimeTypeOf($filename);
705 $type = "image/jpeg" if (!defined($type));
709 sub make_infobox_parts {
712 # The infobox is of the form
713 # "Time - date - focal length, shutter time, aperture, sensitivity, exposure bias - flash",
714 # possibly with some parts omitted -- the middle part is known as the "classic
715 # fields"; note the comma separation. Every field has an associated "bold flag"
716 # in the second part.
718 my $manual_shutter = (defined($info->{'ExposureProgram'}) &&
719 $info->{'ExposureProgram'} =~ /shutter\b.*\bpriority/i);
720 my $manual_aperture = (defined($info->{'ExposureProgram'}) &&
721 $info->{'ExposureProgram'} =~ /aperture\b.*\bpriority/i);
722 if (defined($info->{'ExposureProgram'}) && $info->{'ExposureProgram'} =~ /manual/i) {
724 $manual_aperture = 1;
727 my @classic_fields = ();
728 if (defined($info->{'FocalLength'}) && $info->{'FocalLength'} =~ /^(\d+)(?:\.\d+)?\s*(?:mm)?$/) {
729 push @classic_fields, [ $1 . "mm", 0 ];
730 } elsif (defined($info->{'FocalLength'}) && $info->{'FocalLength'} =~ /^(\d+)\/(\d+)$/) {
731 push @classic_fields, [ (sprintf "%.1fmm", ($1/$2)), 0 ];
734 if (defined($info->{'ExposureTime'}) && $info->{'ExposureTime'} =~ /^(\d+)\/(\d+)$/) {
735 my ($a, $b) = ($1, $2);
736 my $gcd = gcd($a, $b);
737 push @classic_fields, [ $a/$gcd . "/" . $b/$gcd . "s", $manual_shutter ];
738 } elsif (defined($info->{'ExposureTime'}) && $info->{'ExposureTime'} =~ /^(\d+(?:\.\d+)?)$/) {
739 push @classic_fields, [ $1 . "s", $manual_shutter ];
742 if (defined($info->{'FNumber'}) && $info->{'FNumber'} =~ /^(\d+)\/(\d+)$/) {
745 push @classic_fields, [ (sprintf "f/%.0f", $f), $manual_aperture ];
747 push @classic_fields, [ (sprintf "f/%.1f", $f), $manual_aperture ];
749 } elsif (defined($info->{'FNumber'}) && $info->{'FNumber'} =~ /^(\d+)\.(\d+)$/) {
750 my $f = $info->{'FNumber'};
752 push @classic_fields, [ (sprintf "f/%.0f", $f), $manual_aperture ];
754 push @classic_fields, [ (sprintf "f/%.1f", $f), $manual_aperture ];
758 # Apache2::ServerUtil->server->log_error(join(':', keys %$info));
761 if (defined($info->{'NikonD1-ISOSetting'})) {
762 $iso = $info->{'NikonD1-ISOSetting'};
763 } elsif (defined($info->{'ISO'})) {
764 $iso = $info->{'ISO'};
765 } elsif (defined($info->{'ISOSetting'})) {
766 $iso = $info->{'ISOSetting'};
768 if (defined($iso) && $iso =~ /(\d+)/) {
769 push @classic_fields, [ $1 . " ISO", 0 ];
772 if (defined($info->{'ExposureBiasValue'}) && $info->{'ExposureBiasValue'} ne "0") {
773 push @classic_fields, [ $info->{'ExposureBiasValue'} . " EV", 0 ];
774 } elsif (defined($info->{'ExposureCompensation'}) && $info->{'ExposureCompensation'} ne "0") {
775 push @classic_fields, [ $info->{'ExposureCompensation'} . " EV", 0 ];
778 # Now piece together the rest
781 if (defined($info->{'DateTimeOriginal'}) &&
782 $info->{'DateTimeOriginal'} =~ /^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/
784 push @parts, [ "$1-$2-$3 $4:$5", 0 ];
787 if (defined($info->{'Model'})) {
788 my $model = $info->{'Model'};
792 push @parts, [ "\x{00A0}\x{2013}\x{00A0}", 0 ] if (scalar @parts > 0);
793 push @parts, [ $model, 0 ];
797 if (scalar @classic_fields > 0) {
798 push @parts, [ "\x{00A0}\x{2013}\x{00A0}", 0 ] if (scalar @parts > 0);
801 for my $field (@classic_fields) {
802 push @parts, [ ', ', 0 ] if (!$first_elem);
808 if (defined($info->{'Flash'})) {
809 if ($info->{'Flash'} =~ /did not fire/i ||
810 $info->{'Flash'} =~ /no flash/i ||
811 $info->{'Flash'} =~ /not fired/i ||
812 $info->{'Flash'} =~ /Off/) {
813 push @parts, [ "\x{00A0}\x{2013}\x{00A0}", 0 ] if (scalar @parts > 0);
814 push @parts, [ "No flash", 0 ];
815 } elsif ($info->{'Flash'} =~ /fired/i ||
816 $info->{'Flash'} =~ /On/) {
817 push @parts, [ "\x{00A0}\x{2013}\x{00A0}", 0 ] if (scalar @parts > 0);
818 push @parts, [ "Flash", 0 ];
820 push @parts, [ "\x{00A0}\x{2013}\x{00A0}", 0 ] if (scalar @parts > 0);
821 push @parts, [ $info->{'Flash'}, 0 ];
830 return $a if ($b == 0);
831 return gcd($b, $a % $b);
835 my ($r, $res, $dbh, $id, $date, $desc) = @_;
838 if (!defined($id) || $id =~ /^\s*$/ || $id !~ /^([a-zA-Z0-9-]+)$/) {
839 push @errors, "Manglende eller ugyldig ID.";
841 if (!defined($date) || $date =~ /^\s*$/ || $date =~ /[<>&]/ || length($date) > 100) {
842 push @errors, "Manglende eller ugyldig dato.";
844 if (!defined($desc) || $desc =~ /^\s*$/ || $desc =~ /[<>&]/ || length($desc) > 100) {
845 push @errors, "Manglende eller ugyldig beskrivelse.";
848 if (scalar @errors > 0) {
852 my $vhost = Sesse::pr0n::Common::get_server_name($r);
853 $dbh->do("INSERT INTO events (event,date,name,vhost) VALUES (?,?,?,?)",
854 undef, $id, $date, $desc, $vhost)
855 or return ("Kunne ikke sette inn ny hendelse" . $dbh->errstr);
856 $dbh->do("INSERT INTO last_picture_cache (vhost,event,last_picture) VALUES (?,?,NULL)",
858 or return ("Kunne ikke sette inn ny cache-rad" . $dbh->errstr);
859 purge_cache($r, $res, "/");
869 $decoded = Encode::decode("utf-8", $text, Encode::FB_CROAK);
872 $decoded = Encode::decode("iso8859-1", $text);
878 # Depending on your front-end cache, you might want to get creative somehow here.
879 # This example assumes you have a front-end cache and it can translate an X-Pr0n-Purge
880 # regex tacked onto a request into something useful. The elements given in
881 # should not be regexes, though, as e.g. Squid will not be able to handle that.
883 my ($r, $res, @elements) = @_;
884 return if (scalar @elements == 0);
887 for my $elem (@elements) {
888 log_info($r, "Purging $elem");
889 (my $e = $elem) =~ s/[.+*|()]/\\$&/g;
894 if (scalar @pe == 1) {
897 $regex .= "(" . join('|', @pe) . ")";
899 $regex .= "(\\?.*)?\$";
900 $res->header('X-Pr0n-Purge' => $regex);
903 # Find a list of all cache URLs for a given image, given what we have on disk.
904 sub get_all_cache_urls {
905 my ($r, $dbh, $id) = @_;
906 my $dir = POSIX::floor($id / 256);
909 my $q = $dbh->prepare('SELECT event, filename FROM images WHERE id=?')
910 or die "Couldn't prepare: " . $dbh->errstr;
912 or die "Couldn't find event and filename: " . $dbh->errstr;
913 my $ref = $q->fetchrow_hashref;
914 my $event = $ref->{'event'};
915 my $filename = $ref->{'filename'};
918 my $base = $Sesse::pr0n::Config::image_base . "cache/$dir";
919 for my $file (<$base/$id-*>) {
920 my $fname = File::Basename::basename($file);
921 if ($fname =~ /^$id-mipmap-.*\.jpg$/) {
922 # Mipmaps don't have an URL, ignore
923 } elsif ($fname =~ /^$id--1--1\.jpg$/) {
924 push @ret, "/$event/$filename";
925 } elsif ($fname =~ /^$id-(\d+)-(\d+)\.jpg$/) {
926 push @ret, "/$event/$1x$2/$filename";
927 } elsif ($fname =~ /^$id-(\d+)-(\d+)-nobox\.jpg$/) {
928 push @ret, "/$event/$1x$2/nobox/$filename";
930 log_warn($r, "Couldn't find a purging URL for $fname");
937 sub set_last_modified {
938 my ($res, $mtime) = @_;
940 my $str = POSIX::strftime("%a, %d %b %Y %H:%M:%S GMT", gmtime($mtime));
941 $res->header('Last-Modified' => $str);
944 sub get_server_name {
946 my $host = $r->env->{'HTTP_HOST'};
953 if (defined($r->{'logger'})) {
954 $r->logger->({ level => 'info', message => $msg });
956 print STDERR "[INFO] $msg\n";
962 if (defined($r->{'logger'})) {
963 $r->logger->({ level => 'warn', message => $msg });
965 print STDERR "[WARN] $msg\n";
971 if (defined($r->{'logger'})) {
972 $r->logger->({ level => 'error', message => $msg });
974 print STDERR "[ERROR] $msg\n";