perdedora/leftypol
1
0
Fork 0
forked from leftypol/leftypol
Code Pull requests Activity

GdMediaHandler.php: implement metadata stripping, closeHandle and installMediaAndGenerateThumb

Browse source
This commit is contained in:
Zankaria 2025-03-18 14:25:28 +01:00
parent 70bd777493
commit c4fcb8e686
1 changed files with 101 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

129
inc/Service/Media/GdMediaHandler.php
View file

@ -18,6 +18,9 @@ class GdMediaHandler implements MediaHandler {
];
private bool $strip_redraw;
private static function imageCreateFrom(string $file, string $mime): mixed {
switch ($mime) {
case 'image/jpeg':
@ -71,38 +74,16 @@ class GdMediaHandler implements MediaHandler {
return $gd;
}
public function supportsMime(string $mime): bool {
$info = \gd_info();
return ($mime === 'image/jpeg' && $info['JPEG Support'])
|| ($mime === 'image/png' && $info['PNG Support'])
|| ($mime === 'image/gif' && $info['GIF Read Support'] && $info['GIF Create Support'])
|| ($mime === 'image/webp' && $info['WebP Support'])
|| $mime === 'image/bmp'
|| ($mime === 'image/avif' && self::PHP81 && $info['AVIF Support']);
}
public function openHandle(string $file_path, string $file_mime, int $file_kind): mixed {
$gd = self::imageCreateFrom($file_path, $file_mime);
if ($gd === false) {
throw new \RuntimeException("Could not open '$file_path'");
}
return [ $gd, $file_path, $file_mime, $file_kind ];
}
public function generateThumb(
mixed $handle,
private function generateThumbImpl(
mixed $gd,
string $source_file_path,
string $source_file_mime,
string $source_file_kind,
string $preferred_out_file_path,
string $preferred_out_mime,
int $max_width,
int $max_height
): ThumbGenerationResult {
list($gd, $source_file_path, $source_file_mime, $source_file_kind) = $handle;
$gd = self::imageCreateFrom($source_file_path, $source_file_mime);
if ($gd === false) {
throw new \RuntimeException("Could not open '$source_file_path'");
}
) {
$width = \imagesx($gd);
$height = \imagesy($gd);
@ -133,9 +114,12 @@ class GdMediaHandler implements MediaHandler {
\imagecopyresampled($gd_other, $gd, 0, 0, 0, 0, $max_width, $max_height, $width, $height);
if (!self::imageSaveTo($gd_other, $out_path, $preferred_out_mime)) {
\imagedestroy($gd_other);
throw new \RuntimeException("Could not create thumbnail file at '$out_path'");
}
\imagedestroy($gd_other);
return new ThumbGenerationResult(
$out_path,
$preferred_out_mime,
@ -145,4 +129,93 @@ class GdMediaHandler implements MediaHandler {
);
}
}
/**
* @param bool $strip_redraw If the EXIF metadata should be stripped by redrawing it.
*/
public function __construct(bool $strip_redraw) {
$this->strip_redraw = $strip_redraw;
}
public function supportsMime(string $mime): bool {
$info = \gd_info();
return ($mime === 'image/jpeg' && $info['JPEG Support'])
|| ($mime === 'image/png' && $info['PNG Support'])
|| ($mime === 'image/gif' && $info['GIF Read Support'] && $info['GIF Create Support'])
|| ($mime === 'image/webp' && $info['WebP Support'])
|| $mime === 'image/bmp'
|| ($mime === 'image/avif' && self::PHP81 && $info['AVIF Support']);
}
public function openHandle(string $file_path, string $file_mime, int $file_kind): mixed {
$gd = self::imageCreateFrom($file_path, $file_mime);
if ($gd === false) {
throw new \RuntimeException("Could not open '$file_path'");
}
return [ $gd, $file_path, $file_mime, $file_kind ];
}
public function closeHandle(mixed $handle) {
\imagedestroy($handle[0]);
}
public function installMediaAndGenerateThumb(
mixed $handle,
string $media_preferred_out_file_path,
string $thumb_preferred_out_file_path,
string $thumb_preferred_out_mime,
int $thumb_max_width,
int $thumb_max_height
) {
list($gd, $source_file_path, $source_file_mime, $source_file_kind) = $handle;
$out_path = $media_preferred_out_file_path . '.' . self::MIME_TO_EXT[$source_file_mime];
if ($this->strip_redraw) {
if (!self::imageSaveTo($gd, $out_path, $source_file_mime)) {
throw new \RuntimeException("Could not create media file at '$out_path'");
}
} else {
if ($source_file_kind === self::FILE_KIND_UPLOADED) {
if (!Fs\move_or_copy_uploaded($source_file_path, $out_path)) {
throw new \RuntimeException("Could not move or copy uploaded file '$source_file_path' to '$out_path'");
}
} else {
if (!Fs\link_or_copy($source_file_path, $out_path)) {
throw new \RuntimeException("Could not link or copy '$source_file_path' to '$out_path'");
}
}
}
return $this->generateThumbImpl(
$gd,
$source_file_path,
$source_file_mime,
$source_file_kind,
$thumb_preferred_out_file_path,
$thumb_preferred_out_mime,
$thumb_max_width,
$thumb_max_height
);
}
public function generateThumb(
mixed $handle,
string $preferred_out_file_path,
string $preferred_out_mime,
int $max_width,
int $max_height
): ThumbGenerationResult {
list($gd, $source_file_path, $source_file_mime, $source_file_kind) = $handle;
return $this->generateThumbImpl(
$gd,
$source_file_path,
$source_file_mime,
$source_file_kind,
$preferred_out_file_path,
$preferred_out_mime,
$max_width,
$max_height
);
}
}