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<?php
namespace Bitrix\Main\Engine\Response\Zip;
use Bitrix\Main\HttpResponse;
use Bitrix\Main\Web\Uri;
class Archive extends HttpResponse
{
public const MOD_ZIP_HEADER_NAME = 'X-Archive-Files';
/**
* Archive name.
* @var string
*/
protected string $name;
/**
* Archive Entries.
* @var ArchiveEntry[]|EntryInterface[]
*/
protected array $entries = [];
/**
* Archive constructor.
* @param string $name Archive name.
*/
public function __construct(string $name)
{
parent::__construct();
$this->name = $name;
$this->addHeader(self::MOD_ZIP_HEADER_NAME, 'zip');
}
/**
* Add one entry. in current archive.
* @param ArchiveEntry|EntryInterface $archiveEntry Entry for archive.
*/
public function addEntry($archiveEntry): void
{
if ($archiveEntry instanceof ArchiveEntry)
{
$this->entries[] = $archiveEntry;
}
elseif ($archiveEntry instanceof EntryInterface)
{
$this->entries[] = $archiveEntry;
}
}
private function convertEntryInterfaceToString(EntryInterface $entry): string
{
$crc32 = ($entry->getCrc32() !== '') ? $entry->getCrc32() : '-';
$name = $entry->getPath();
return "{$crc32} {$entry->getSize()} {$entry->getServerRelativeUrl()} {$name}";
}
/**
* Returns true if the archive does not have entries.
* @return bool
*/
public function isEmpty(): bool
{
return empty($this->entries);
}
/**
* Return entries as string.
* @return string
*/
protected function getFileList(): string
{
$list = [];
foreach ($this->entries as $entry)
{
if ($entry instanceof ArchiveEntry)
{
$list[] = (string)$entry;
}
elseif ($entry instanceof EntryInterface)
{
$list[] = $this->convertEntryInterfaceToString($entry);
}
}
return implode("\n", $list);
}
protected function setContentDispositionHeader(): void
{
$utfName = Uri::urnEncode($this->name, 'UTF-8');
$translitName = \CUtil::translit($this->name, LANGUAGE_ID, [
'max_len' => 1024,
'safe_chars' => '.',
'replace_space' => '-',
]);
$this->addHeader(
'Content-Disposition',
"attachment; filename=\"{$translitName}\"; filename*=utf-8''{$utfName}"
);
}
public function send(): void
{
if (!$this->isEmpty())
{
$this->setContentDispositionHeader();
$this->setContent(
$this->getFileList()
);
}
parent::send();
}
}