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API: Resize upßloaded images if they exceed the maximum size

This commit is contained in:
Michael 2021-03-07 14:13:46 +00:00
parent ba0b6c679f
commit e89e0e1694
1 changed files with 27 additions and 13 deletions
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40
mod/wall_upload.php
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@ -168,19 +168,6 @@ function wall_upload_post(App $a, $desktopmode = true)
Logger::log("File upload src: " . $src . " - filename: " . $filename .
" - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
$maximagesize = DI::config()->get('system', 'maximagesize');
if (($maximagesize) && ($filesize > $maximagesize)) {
$msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
@unlink($src);
exit();
}
$imagedata = @file_get_contents($src);
$Image = new Image($imagedata, $filetype);
@ -204,12 +191,39 @@ function wall_upload_post(App $a, $desktopmode = true)
}
if ($max_length > 0) {
$Image->scaleDown($max_length);
$filesize = strlen($Image->asString());
Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
}
$width = $Image->getWidth();
$height = $Image->getHeight();
$maximagesize = DI::config()->get('system', 'maximagesize');
if (!empty($maximagesize) && ($filesize > $maximagesize)) {
// Scale down to multiples of 640 until the maximum size isn't exceeded anymore
foreach ([5120, 2560, 1280, 640] as $pixels) {
if (($filesize > $maximagesize) && (max($width, $height) > $pixels)) {
Logger::info('Resize', ['size' => $filesize, 'width' => $width, 'height' => $height, 'max' => $maximagesize, 'pixels' => $pixels]);
$Image->scaleDown($pixels);
$filesize = strlen($Image->asString());
$width = $Image->getWidth();
$height = $Image->getHeight();
}
}
if ($filesize > $maximagesize) {
Logger::notice('Image size is too big', ['size' => $filesize, 'max' => $maximagesize]);
$msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
@unlink($src);
exit();
}
}
$resource_id = Photo::newResource();
$smallest = 0;