From 65853401c4d4bfb946aa8ddd4e543035c1102647 Mon Sep 17 00:00:00 2001
From: Don Armstrong <don@donarmstrong.com>
Date: Thu, 2 Nov 2017 11:17:37 -0700
Subject: [PATCH] Add support for thumbonly to the Debian package

---
 debian/changelog      |  1 +
 lib/Apache/Gallery.pm | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index 03ca9a7..2a6e7ca 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ libapache-gallery-perl (1.0.2-5) unstable; urgency=medium
   * Acknowledge NMU changes
   * Update standards version, no changes
   * Fix VCS urls
+  * Add support for ?thumbonly to the debian package
 
  --
 
diff --git a/lib/Apache/Gallery.pm b/lib/Apache/Gallery.pm
index b4575be..88a03b4 100644
--- a/lib/Apache/Gallery.pm
+++ b/lib/Apache/Gallery.pm
@@ -540,6 +540,20 @@ sub handler {
 				return $::MP2 ? Apache2::Const::FORBIDDEN() : Apache::Constants::FORBIDDEN();
 			}
 		}
+        if (defined $ENV{QUERY_STRING} && $ENV{QUERY_STRING} eq 'thumbonly' &&
+            $r->dir_config('GalleryAllowThumbonly') &&
+            -f $filename) {
+
+            my ($width, $height, $type) = imgsize($filename);
+            my @filetypes = qw(JPG TIF PNG PPM GIF);
+            if (grep $type eq $_, @filetypes) {
+                my ($thumbnailwidth, $thumbnailheight) = get_thumbnailsize($r, $width, $height);
+                my $imageinfo = get_imageinfo($r, $filename, $type, $width, $height);
+                my $cached = get_scaled_picture_name($filename, $thumbnailwidth, $thumbnailheight);
+                $r->headers_out->set(Location => uri_escape(".cache/$cached", $escape_rule));
+                return $::MP2 ? Apache2::Const::REDIRECT() : Apache::Constants::REDIRECT();
+            }
+        }
 	
 		# Create cache dir if not existing
 		my @tmp = split (/\//, $filename);
@@ -1759,6 +1773,14 @@ resizing or putting the CopyrightImage on it.
 
 Set to 1 or 0, default is 0
 
+=item B<GalleryAllowThumbOnly>
+
+If true, B<GalleryAllowThumbOnly> allows fooimg.jpg?thumbonly urls
+to output the thumbnail of the image. This is useful when including
+images in a blog (or similar).
+
+Defaults to '0' (false).
+
 =item B<GallerySlideshowIntervals>
 
 With this option you can configure which intervals can be selected for
-- 
2.39.2