/**
* Repacks exported document from Google.Drive, which has wrong order files in archive to show preview
* in Google.Viewer. In Google.Viewer document should have file '[Content_Types].xml' on first position in archive.
* @param FileData $fileData
* @return FileData
* @throws IO\FileNotFoundException
* @throws IO\InvalidPathException
* @internal
*/
public function repackDocument(FileData $fileData)
{
if (!extension_loaded('zip')) {
return null;
}
if (!TypeFile::isDocument($fileData->getName())) {
return null;
}
$file = new IO\File($fileData->getSrc());
if (!$file->isExists() || $file->getSize() > 15 * 1024 * 1024) {
return null;
}
unset($file);
$ds = DIRECTORY_SEPARATOR;
$targetDir = \CTempFile::getDirectoryName(2, 'disk_repack' . $ds . md5(uniqid('di', true)));
checkDirPath($targetDir);
$targetDir = IO\Path::normalize($targetDir) . $ds;
$zipOrigin = new \ZipArchive();
if (!$zipOrigin->open($fileData->getSrc())) {
return null;
}
if ($zipOrigin->getNameIndex(0) === '[Content_Types].xml') {
$zipOrigin->close();
return null;
}
if (!$zipOrigin->extractTo($targetDir)) {
$zipOrigin->close();
return null;
}
$zipOrigin->close();
unset($zipOrigin);
if (is_dir($targetDir) !== true) {
return null;
}
$newName = md5(uniqid('di', true));
$newFilepath = $targetDir . '..' . $ds . $newName;
$repackedZip = new \ZipArchive();
if (!$repackedZip->open($newFilepath, \ZipArchive::CREATE)) {
return null;
}
$source = realpath($targetDir);
$repackedZip->addFile($source . $ds . '[Content_Types].xml', '[Content_Types].xml');
$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($source, \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST);
foreach ($files as $file) {
if ($file->getBasename() === '[Content_Types].xml') {
continue;
}
$file = str_replace('\\', '/', $file);
$file = realpath($file);
if (is_dir($file) === true) {
$repackedZip->addEmptyDir(str_replace('\\', '/', str_replace($source . $ds, '', $file . $ds)));
} elseif (is_file($file) === true) {
$repackedZip->addFile($file, str_replace('\\', '/', str_replace($source . $ds, '', $file)));
}
}
$repackedZip->close();
$newFileData = new FileData();
$newFileData->setSrc($newFilepath);
return $newFileData;
}
