Thomas/Piwigo_Bratonien_Tools
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Support repeated profile watermarks and safer cache handling

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Terranom674
2026-08-15 14:44:01 +02:00
parent ee0bdc15b3
commit 781ba200c2
1 changed files with 45 additions and 7 deletions
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52
watermark.php
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@@ -75,7 +75,7 @@ function bratonien_tools_fetch_derivative($rel_url, $physical_path)
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_TIMEOUT => 30,
CURLOPT_FAILONERROR => true,
CURLOPT_USERAGENT => 'BratonienTools/1.0',
CURLOPT_USERAGENT => 'BratonienTools/0.2',
));
$data = curl_exec($ch);
curl_close($ch);
@@ -101,6 +101,7 @@ function bratonien_tools_fetch_derivative($rel_url, $physical_path)
{
$ext = strtolower($m[1]);
}
$tmp = tempnam(sys_get_temp_dir(), 'btwm_');
$tmp_with_ext = $tmp.'.'.$ext;
@rename($tmp, $tmp_with_ext);
@@ -109,17 +110,23 @@ function bratonien_tools_fetch_derivative($rel_url, $physical_path)
return array('path'=>$tmp_with_ext, 'temporary'=>true);
}
function bratonien_tools_output_image($path)
function bratonien_tools_output_image($path, $delete_after=false)
{
$ext = strtolower(pathinfo($path, PATHINFO_EXTENSION));
$types = array(
'jpg'=>'image/jpeg', 'jpeg'=>'image/jpeg', 'png'=>'image/png',
'gif'=>'image/gif', 'webp'=>'image/webp',
);
header('Content-Type: '.($types[$ext] ?? 'application/octet-stream'));
header('Content-Length: '.filesize($path));
header('Cache-Control: public, max-age=604800');
readfile($path);
if ($delete_after)
{
@unlink($path);
}
exit;
}
@@ -145,7 +152,7 @@ if (!hash_equals($expected, $signature))
}
$profile = bratonien_tools_get_watermark_profile($profile_id);
if (!$profile || empty($profile['watermark_file']))
if (!$profile || empty($profile['active']) || empty($profile['watermark_file']))
{
bratonien_tools_watermark_fail(404, 'Watermark profile unavailable');
}
@@ -179,8 +186,10 @@ if (!is_dir($cache_dir) && !mkdir($cache_dir, 0755, true) && !is_dir($cache_dir)
$cache_fingerprint = array(
$rel_url,
$profile['watermark_file'], $profile['xpos'], $profile['ypos'], $profile['opacity'],
$profile['min_width'], $profile['min_height'], @filemtime($watermark_path),
$profile['watermark_file'], $profile['xpos'], $profile['ypos'],
$profile['xrepeat'], $profile['yrepeat'], $profile['opacity'],
$profile['min_width'], $profile['min_height'], $profile['active'],
@filemtime($watermark_path),
);
$cache_path = $cache_dir.'/'.sha1(implode('|', $cache_fingerprint)).'.'.$ext;
@@ -197,7 +206,7 @@ $height = $image->get_height();
if ($width < (int)$profile['min_width'] || $height < (int)$profile['min_height'])
{
$image->destroy();
bratonien_tools_output_image($source['path']);
bratonien_tools_output_image($source['path'], $source['temporary']);
}
$wm = new pwg_image($watermark_path);
@@ -214,7 +223,36 @@ if ($width < $wm_width || $height < $wm_height)
$x = (int)round(((int)$profile['xpos'] / 100) * ($width - $wm_width));
$y = (int)round(((int)$profile['ypos'] / 100) * ($height - $wm_height));
$image->compose($wm, $x, $y, (int)$profile['opacity']);
$opacity = (int)$profile['opacity'];
$image->compose($wm, $x, $y, $opacity);
$xrepeat = max(0, (int)$profile['xrepeat']);
$yrepeat = max(0, (int)$profile['yrepeat']);
if ($xrepeat || $yrepeat)
{
$xpad = $wm_width + max(30, (int)round($wm_width / 4));
$ypad = $wm_height + max(30, (int)round($wm_height / 4));
for ($i=-$xrepeat; $i<=$xrepeat; $i++)
{
for ($j=-$yrepeat; $j<=$yrepeat; $j++)
{
if ($i === 0 && $j === 0)
{
continue;
}
$x2 = $x + $i * $xpad;
$y2 = $y + $j * $ypad;
if ($x2 >= 0 && $x2 + $wm_width <= $width && $y2 >= 0 && $y2 + $wm_height <= $height)
{
$image->compose($wm, $x2, $y2, $opacity);
}
}
}
}
$wm->destroy();
$image->write($cache_path);
$image->destroy();