PHP.php

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<?php

declare(strict_types=1);

namespace ILIAS\FileDelivery\FileDeliveryTypes;

use ILIAS\FileDelivery\ilFileDeliveryType;
use ILIAS\Filesystem\Stream\FileStream;
use ILIAS\HTTP\Services;

final class PHP implements ilFileDeliveryType
{
    protected $file;
    protected \ILIAS\HTTP\Services $httpService;


    public function __construct(Services $httpState)
    {
        $this->httpService = $httpState;
    }


    public function doesFileExists(string $path_to_file): bool
    {
        return is_readable($path_to_file);
    }


    public function prepare(string $path_to_file, ?FileStream $possible_stream): bool
    {
        set_time_limit(0);
        if ($possible_stream !== null) {
            $this->file = $possible_stream->detach();
        } else {
            $this->file = fopen($path_to_file, 'rb');
        }
        return true;
    }


    public function deliver(string $path_to_file, bool $file_marked_to_delete): void
    {
        $this->httpService->sendResponse();
        fpassthru($this->file);
        // Fix for mantis 22594
        fclose($this->file);
    }


    public function supportsInlineDelivery(): bool
    {
        return true;
    }


    public function supportsAttachmentDelivery(): bool
    {
        return true;
    }


    public function supportsStreaming(): bool
    {
        return false;
    }


    public function handleFileDeletion(string $path_to_file): bool
    {
        return unlink($path_to_file);
    }
}