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-rw-r--r--lib/VN3/Misc/ImageUpload.pm73
1 files changed, 73 insertions, 0 deletions
diff --git a/lib/VN3/Misc/ImageUpload.pm b/lib/VN3/Misc/ImageUpload.pm
new file mode 100644
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+++ b/lib/VN3/Misc/ImageUpload.pm
@@ -0,0 +1,73 @@
+package VN3::Misc::ImageUpload;
+
+use strict;
+use warnings;
+use Image::Magick;
+use TUWF;
+use VNDBUtil;
+use VN3::Auth;
+
+
+sub save_img {
+ my($im, $dir, $id, $ow, $oh, $pw, $ph) = @_;
+
+ if($pw) {
+ my($nw, $nh) = imgsize($ow, $oh, $pw, $ph);
+ if($ow != $nw || $oh != $nh) {
+ $im->GaussianBlur(geometry => '0.5x0.5');
+ $im->Resize(width => $nw, height => $nh);
+ $im->UnsharpMask(radius => 0, sigma => 0.75, amount => 0.75, threshold => 0.008);
+ }
+ }
+
+ my $fn = tuwf->imgpath($dir, $id);
+ $im->Write($fn);
+ chmod 0666, $fn;
+}
+
+
+TUWF::post '/js/imageupload.json', sub {
+ if(!auth->csrfcheck(tuwf->reqHeader('X-CSRF-Token')||'')) {
+ warn "Invalid CSRF token in request";
+ tuwf->resJSON({CSRF => 1});
+ return;
+ }
+ return tuwf->resJSON({Unauth => 1}) if !auth->permEdit;
+
+ my $type = tuwf->validate(post => type => { enum => [qw/cv ch sf/] })->data;
+ my $imgdata = tuwf->reqUploadRaw('img');
+ return tuwf->resJSON({ImgFormat => 1}) if $imgdata !~ /^(\xff\xd8|\x89\x50)/; # JPG or PNG header
+
+ my $im = Image::Magick->new;
+ $im->BlobToImage($imgdata);
+ $im->Set(magick => 'JPEG');
+ $im->Set(background => '#ffffff');
+ $im->Set(alpha => 'Remove');
+ $im->Set(quality => 90);
+ my($ow, $oh) = ($im->Get('width'), $im->Get('height'));
+ my $id;
+
+
+ # VN cover image
+ if($type eq 'cv') {
+ $id = tuwf->dbVali("SELECT nextval('covers_seq')");
+ save_img $im, cv => $id, $ow, $oh, 256, 400;
+
+ # Screenshot
+ } elsif($type eq 'sf') {
+ $id = tuwf->dbVali('INSERT INTO screenshots', { width => $ow, height => $oh }, 'RETURNING id');
+ save_img $im, sf => $id;
+ save_img $im, st => $id, $ow, $oh, 136, 102;
+
+ # Character image
+ } elsif($type eq 'ch') {
+ $id = tuwf->dbVali("SELECT nextval('charimg_seq')");
+ save_img $im, ch => $id, $ow, $oh, 256, 300;
+ }
+
+
+ tuwf->resJSON({Image => [$id, $ow, $oh]});
+};
+
+
+1;