GNUsocial/gnu-social
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[SensitiveContent] Fix bug where having this plugin activated would not size thumbnails correctly

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Hugo Sales 2020-04-06 17:53:15 +00:00 committed by Diogo Cordeiro
parent d1c70cb13b
commit 13e8445083
1 changed files with 87 additions and 64 deletions
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151
lib/media/imagefile.php
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@ -1,33 +1,34 @@
<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* GNU social - a federating social network
*
* Abstraction for an image file
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Image
* @package GNUsocial
*
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Miguel Dantas <biodantasgs@gmail.com>
* @copyright 2008, 2019 Free Software Foundation http://fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link https://www.gnu.org/software/social/
*
* @see https://www.gnu.org/software/social/
*/
defined('GNUSOCIAL') || die();
use Intervention\Image\ImageManagerStatic as Image;
@ -42,7 +43,8 @@ use Intervention\Image\ImageManagerStatic as Image;
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @link https://www.gnu.org/software/social/
*
* @see https://www.gnu.org/software/social/
*/
class ImageFile extends MediaFile
{
@ -62,16 +64,15 @@ class ImageFile extends MediaFile
$this->filepath = $filepath;
$this->filename = basename($filepath);
$img = Image::make($this->filepath);
$img = Image::make($this->filepath);
$this->mimetype = $img->mime();
$cmp = function($obj, $type) {
$cmp = function ($obj, $type) {
if ($obj->mimetype == image_type_to_mime_type($type)) {
$obj->type = $type;
return true;
} else {
return false;
}
return false;
};
if (!(($cmp($this, IMAGETYPE_GIF) && function_exists('imagecreatefromgif')) ||
($cmp($this, IMAGETYPE_JPEG) && function_exists('imagecreatefromjpeg')) ||
@ -84,8 +85,8 @@ class ImageFile extends MediaFile
throw new UnsupportedMediaException(_m('Unsupported image format.'), $this->filepath);
}
$this->width = $img->width();
$this->height = $img->height();
$this->width = $img->width();
$this->height = $img->height();
parent::__construct(
$filepath,
@ -98,7 +99,7 @@ class ImageFile extends MediaFile
// Orientation value to rotate thumbnails properly
$exif = @$img->exif();
if (is_array($exif) && isset($exif['Orientation'])) {
switch (intval($exif['Orientation'])) {
switch ((int) ($exif['Orientation'])) {
case 1: // top is top
$this->rotate = 0;
break;
@ -118,7 +119,7 @@ class ImageFile extends MediaFile
$this->animated = $this->isAnimatedGif();
}
Event::handle('FillImageFileMetadata', array($this));
Event::handle('FillImageFileMetadata', [$this]);
$img->destroy();
ini_set('memory_limit', $old_limit); // Restore the old memory limit
@ -132,8 +133,8 @@ class ImageFile extends MediaFile
public static function fromFileObject(File $file)
{
$imgPath = null;
$media = common_get_mime_media($file->mimetype);
if (Event::handle('CreateFileImageThumbnailSource', array($file, &$imgPath, $media))) {
$media = common_get_mime_media($file->mimetype);
if (Event::handle('CreateFileImageThumbnailSource', [$file, &$imgPath, $media])) {
if (empty($file->filename) && !file_exists($imgPath)) {
throw new FileNotFoundException($imgPath);
}
@ -145,9 +146,10 @@ class ImageFile extends MediaFile
}
// And we'll only consider it an image if it has such a media type
if($media !== 'image') {
if ($media !== 'image') {
throw new UnsupportedMediaException(_m('Unsupported media format.'), $file->getPath());
} else if (!empty($file->filename)) {
}
if (!empty($file->filename)) {
$imgPath = $file->getPath();
}
}
@ -157,13 +159,13 @@ class ImageFile extends MediaFile
}
try {
$image = new ImageFile($file->getID(), $imgPath);
$image = new self($file->getID(), $imgPath);
} catch (Exception $e) {
// Avoid deleting the original
try {
if (strlen($imgPath) > 0 && $imgPath !== $file->getPath()) {
common_debug(__METHOD__.': Deleting temporary file that was created as image file' .
'thumbnail source: '._ve($imgPath));
common_debug(__METHOD__ . ': Deleting temporary file that was created as image file' .
'thumbnail source: ' . _ve($imgPath));
@unlink($imgPath);
}
} catch (FileNotFoundException $e) {
@ -198,17 +200,20 @@ class ImageFile extends MediaFile
*
* Uses MediaFile's `fromUpload` to do the majority of the work and reencodes the image,
* to mitigate injection attacks.
* @param string $param
* @param Profile|null $scoped
* @return ImageFile|MediaFile
*
* @param string $param
* @param null|Profile $scoped
*
* @throws ClientException
* @throws NoResultException
* @throws NoUploadedMediaException
* @throws ServerException
* @throws UnsupportedMediaException
* @throws UseFileAsThumbnailException
*
* @return ImageFile|MediaFile
*/
public static function fromUpload(string $param='upload', Profile $scoped = null)
public static function fromUpload(string $param = 'upload', Profile $scoped = null)
{
return parent::fromUpload($param, $scoped);
}
@ -239,16 +244,18 @@ class ImageFile extends MediaFile
* returned ImageFile object to read metadata (width, height etc.)
*
* @param string $outpath
* @return ImageFile the image stored at target path
*
* @throws ClientException
* @throws NoResultException
* @throws ServerException
* @throws UnsupportedMediaException
* @throws UseFileAsThumbnailException
*
* @return ImageFile the image stored at target path
*/
public function copyTo($outpath)
{
return new ImageFile(null, $this->resizeTo($outpath));
return new self(null, $this->resizeTo($outpath));
}
/**
@ -259,8 +266,10 @@ class ImageFile extends MediaFile
* @return string full local filesystem filename
* @throws UnsupportedMediaException
* @throws UseFileAsThumbnailException
*
* @return string full local filesystem filename
*/
public function resizeTo($outpath, array $box=array())
public function resizeTo($outpath, array $box = [])
{
$box['width'] = isset($box['width']) ? intval($box['width']) : $this->width;
$box['height'] = isset($box['height']) ? intval($box['height']) : $this->height;
@ -298,7 +307,10 @@ class ImageFile extends MediaFile
}
}
if (Event::handle('StartResizeImageFile', array($this, $outpath, $box))) {
$this->height = $box['h'];
$this->width = $box['w'];
if (Event::handle('StartResizeImageFile', [$this, $outpath, $box])) {
$outpath = $this->resizeToFile($outpath, $box);
}
@ -321,11 +333,13 @@ class ImageFile extends MediaFile
* Increases the 'memory_limit' to the one in the 'attachments' section in the config, to
* enable the handling of bigger images, which can cause a peak of memory consumption, while
* encoding
*
* @param $outpath
* @param array $box
*
* @throws Exception
*/
protected function resizeToFile(string $outpath, array $box) : string
protected function resizeToFile(string $outpath, array $box): string
{
$old_limit = ini_set('memory_limit', common_config('attachments', 'memory_limit'));
@ -382,7 +396,7 @@ class ImageFile extends MediaFile
@unlink($this->filepath);
}
public function scaleToFit($maxWidth=null, $maxHeight=null, $crop=null)
public function scaleToFit($maxWidth = null, $maxHeight = null, $crop = null)
{
return self::getScalingValues(
$this->width,
@ -406,23 +420,26 @@ class ImageFile extends MediaFile
* @param $maxH int Resulting max height
* @param $crop int Crop to the size (not preserving aspect ratio)
* @param int $rotate
* @return array
*
* @throws ServerException
*
* @return array
*/
public static function getScalingValues(
$width,
$height,
$maxW=null,
$maxH=null,
$crop=null,
$rotate=0
$maxW = null,
$maxH = null,
$crop = null,
$rotate = 0
) {
$maxW = $maxW ?: common_config('thumbnail', 'width');
$maxH = $maxH ?: common_config('thumbnail', 'height');
if ($maxW < 1 || ($maxH !== null && $maxH < 1)) {
throw new ServerException('Bad parameters for ImageFile::getScalingValues');
} elseif ($maxH === null) {
}
if ($maxH === null) {
// if maxH is null, we set maxH to equal maxW and enable crop
$maxH = $maxW;
$crop = true;
@ -430,8 +447,8 @@ class ImageFile extends MediaFile
// Because GD doesn't understand EXIF orientation etc.
if (abs($rotate) == 90) {
$tmp = $width;
$width = $height;
$tmp = $width;
$width = $height;
$height = $tmp;
}
@ -444,7 +461,7 @@ class ImageFile extends MediaFile
if ($crop) {
$s_ar = $width / $height;
$t_ar = $maxW / $maxH;
$t_ar = $maxW / $maxH;
$rw = $maxW;
$rh = $maxH;
@ -508,7 +525,7 @@ class ImageFile extends MediaFile
return $count >= 1; // number of animated frames apart from the original image
}
public function getFileThumbnail($width, $height, $crop, $upscale=false)
public function getFileThumbnail($width, $height, $crop, $upscale = false)
{
if (!$this->fileRecord instanceof File) {
throw new ServerException('No File object attached to this ImageFile object.');
@ -535,7 +552,7 @@ class ImageFile extends MediaFile
if ($height === null) {
$height = $width;
$crop = true;
$crop = true;
}
// Get proper aspect ratio width and height before lookup
@ -544,17 +561,20 @@ class ImageFile extends MediaFile
// which we don't want to do because we like original, untouched data!
list($width, $height, $x, $y, $w, $h) = $this->scaleToFit($width, $height, $crop);
$thumb = File_thumbnail::pkeyGet(array(
'file_id'=> $this->fileRecord->getID(),
'width' => $width,
'height' => $height,
));
$thumb = File_thumbnail::pkeyGet([
'file_id' => $this->fileRecord->getID(),
'width' => $width,
'height' => $height,
]);
if ($thumb instanceof File_thumbnail) {
$this->height = $height;
$this->width = $width;
return $thumb;
}
$type = $this->preferredType();
$ext = image_type_to_extension($type, true);
$ext = image_type_to_extension($type, true);
// Decoding returns null if the file is in the old format
$filename = MediaFile::decodeFilename(basename($this->filepath));
// Encoding null makes the file use 'untitled', and also replaces the extension
@ -562,9 +582,9 @@ class ImageFile extends MediaFile
// The boundary box for our resizing
$box = [
'width'=>$width, 'height'=>$height,
'x'=>$x, 'y'=>$y,
'w'=>$w, 'h'=>$h
'width' => $width, 'height' => $height,
'x' => $x, 'y' => $y,
'w' => $w, 'h' => $h,
];
$outpath = File_thumbnail::path(
@ -576,7 +596,7 @@ class ImageFile extends MediaFile
|| $box['w'] < 1 || $box['x'] >= $this->width
|| $box['h'] < 1 || $box['y'] >= $this->height) {
// Fail on bad width parameter. If this occurs, it's due to algorithm in ImageFile->scaleToFit
common_debug("Boundary box parameters for resize of {$this->filepath} : ".var_export($box, true));
common_debug("Boundary box parameters for resize of {$this->filepath} : " . var_export($box, true));
throw new ServerException('Bad thumbnail size parameters.');
}
@ -587,6 +607,9 @@ class ImageFile extends MediaFile
$height
));
$this->height = $box['height'];
$this->width = $box['width'];
// Perform resize and store into file
$outpath = $this->resizeTo($outpath, $box);
$outname = basename($outpath);