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compress: using tmp filename and status code 204 when pdf is already

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optimized
This commit is contained in:
Vincent LAURENT 2025-09-23 11:29:30 +02:00
commit 894fb50598
3 changed files with 22 additions and 10 deletions
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24
app.php
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@ -442,16 +442,22 @@ $f3->route('GET /compress',
$f3->route ('POST /compress',
function($f3) {
$filename = null;
$tmpfile = tempnam($f3->get('UPLOADS'), 'pdfsignature_compress_'.uniqid("", true));
unlink($tmpfile);
$originalFilename = null;
$files = Web::instance()->receive(function($file,$formFieldName) {
if ($formFieldName == "pdf" && strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) {
$f3->error(403);
}
}, false, function($fileBaseName, $formFieldName) use(&$originalFilename) {
$originalFilename = $fileBaseName;
return date("YmdHis")."_".uniqid()."_".md5($fileBaseName).'.pdf';
});
if(!count($files)) {
http_response_code("500");
header('Content-Type: text/plain');
echo _("PDF compression failed");
}
$compressionType = $f3->get('POST.compressionType');
if ($compressionType === 'medium') {
$compressionType = '/ebook';
@ -466,19 +472,19 @@ $f3->route ('POST /compress',
$returnCode = shell_exec(sprintf("gs -sDEVICE=pdfwrite -dPDFSETTINGS=%s -dPassThroughJPEGImages=false -dPassThroughJPXImages=false -dAutoFilterGrayImages=false -dAutoFilterColorImages=false -dDetectDuplicateImages=true -dQUIET -dBATCH -o %s %s", $compressionType, $outputFileName, $filePath));
if ($returnCode === false) {
if ($returnCode === false || !file_exists($outputFileName)) {
http_response_code("500");
header('Content-Type: text/plain');
echo _("PDF compression failed");
return;
} elseif (filesize($filePath) <= filesize($outputFileName)) {
http_response_code("500");
header('Content-Type: text/plain');
echo _("Your pdf is already optimized");
http_response_code("204");
unlink($outputFileName);
unlink($filePath);
return;
} else {
header('Content-Type: application/pdf');
header("Content-Disposition: attachment; filename=".basename($outputFileName));
header("Content-Disposition: attachment; filename=".basename(str_replace(".pdf", "_compressed.pdf", $originalFilename)));
readfile($outputFileName);
}