/home/kueuepay/public_html/vendor/league/flysystem-local/LocalFilesystemAdapter.php
<?php

declare(strict_types=1);

namespace League\Flysystem\Local;

use const DIRECTORY_SEPARATOR;
use const LOCK_EX;
use DirectoryIterator;
use FilesystemIterator;
use Generator;
use League\Flysystem\ChecksumProvider;
use League\Flysystem\Config;
use League\Flysystem\DirectoryAttributes;
use League\Flysystem\FileAttributes;
use League\Flysystem\FilesystemAdapter;
use League\Flysystem\PathPrefixer;
use League\Flysystem\SymbolicLinkEncountered;
use League\Flysystem\UnableToCopyFile;
use League\Flysystem\UnableToCreateDirectory;
use League\Flysystem\UnableToDeleteDirectory;
use League\Flysystem\UnableToDeleteFile;
use League\Flysystem\UnableToMoveFile;
use League\Flysystem\UnableToProvideChecksum;
use League\Flysystem\UnableToReadFile;
use League\Flysystem\UnableToRetrieveMetadata;
use League\Flysystem\UnableToSetVisibility;
use League\Flysystem\UnableToWriteFile;
use League\Flysystem\UnixVisibility\PortableVisibilityConverter;
use League\Flysystem\UnixVisibility\VisibilityConverter;
use League\MimeTypeDetection\FinfoMimeTypeDetector;
use League\MimeTypeDetection\MimeTypeDetector;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use SplFileInfo;
use Throwable;
use function chmod;
use function clearstatcache;
use function dirname;
use function error_clear_last;
use function error_get_last;
use function file_exists;
use function file_put_contents;
use function hash_file;
use function is_dir;
use function is_file;
use function mkdir;
use function rename;

class LocalFilesystemAdapter implements FilesystemAdapter, ChecksumProvider
{
    /**
     * @var int
     */
    public const SKIP_LINKS = 0001;

    /**
     * @var int
     */
    public const DISALLOW_LINKS = 0002;

    private PathPrefixer $prefixer;
    private VisibilityConverter $visibility;
    private MimeTypeDetector $mimeTypeDetector;
    private string $rootLocation;

    /**
     * @var bool
     */
    private $rootLocationIsSetup = false;

    public function __construct(
        string $location,
        ?VisibilityConverter $visibility = null,
        private int $writeFlags = LOCK_EX,
        private int $linkHandling = self::DISALLOW_LINKS,
        ?MimeTypeDetector $mimeTypeDetector = null,
        bool $lazyRootCreation = false,
        bool $useInconclusiveMimeTypeFallback = false,
    ) {
        $this->prefixer = new PathPrefixer($location, DIRECTORY_SEPARATOR);
        $visibility ??= new PortableVisibilityConverter();
        $this->visibility = $visibility;
        $this->rootLocation = $location;
        $this->mimeTypeDetector = $mimeTypeDetector ?? new FallbackMimeTypeDetector(
            detector: new FinfoMimeTypeDetector(),
            useInconclusiveMimeTypeFallback: $useInconclusiveMimeTypeFallback,
        );

        if ( ! $lazyRootCreation) {
            $this->ensureRootDirectoryExists();
        }
    }

    private function ensureRootDirectoryExists(): void
    {
        if ($this->rootLocationIsSetup) {
            return;
        }

        $this->ensureDirectoryExists($this->rootLocation, $this->visibility->defaultForDirectories());
        $this->rootLocationIsSetup = true;
    }

    public function write(string $path, string $contents, Config $config): void
    {
        $this->writeToFile($path, $contents, $config);
    }

    public function writeStream(string $path, $contents, Config $config): void
    {
        $this->writeToFile($path, $contents, $config);
    }

    /**
     * @param resource|string $contents
     */
    private function writeToFile(string $path, $contents, Config $config): void
    {
        $prefixedLocation = $this->prefixer->prefixPath($path);
        $this->ensureRootDirectoryExists();
        $this->ensureDirectoryExists(
            dirname($prefixedLocation),
            $this->resolveDirectoryVisibility($config->get(Config::OPTION_DIRECTORY_VISIBILITY))
        );
        error_clear_last();

        if (@file_put_contents($prefixedLocation, $contents, $this->writeFlags) === false) {
            throw UnableToWriteFile::atLocation($path, error_get_last()['message'] ?? '');
        }

        if ($visibility = $config->get(Config::OPTION_VISIBILITY)) {
            $this->setVisibility($path, (string) $visibility);
        }
    }

    public function delete(string $path): void
    {
        $location = $this->prefixer->prefixPath($path);

        if ( ! file_exists($location)) {
            return;
        }

        error_clear_last();

        if ( ! @unlink($location)) {
            throw UnableToDeleteFile::atLocation($location, error_get_last()['message'] ?? '');
        }
    }

    public function deleteDirectory(string $prefix): void
    {
        $location = $this->prefixer->prefixPath($prefix);

        if ( ! is_dir($location)) {
            return;
        }

        $contents = $this->listDirectoryRecursively($location, RecursiveIteratorIterator::CHILD_FIRST);

        /** @var SplFileInfo $file */
        foreach ($contents as $file) {
            if ( ! $this->deleteFileInfoObject($file)) {
                throw UnableToDeleteDirectory::atLocation($prefix, "Unable to delete file at " . $file->getPathname());
            }
        }

        unset($contents);

        if ( ! @rmdir($location)) {
            throw UnableToDeleteDirectory::atLocation($prefix, error_get_last()['message'] ?? '');
        }
    }

    private function listDirectoryRecursively(
        string $path,
        int $mode = RecursiveIteratorIterator::SELF_FIRST
    ): Generator {
        if ( ! is_dir($path)) {
            return;
        }

        yield from new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS),
            $mode
        );
    }

    protected function deleteFileInfoObject(SplFileInfo $file): bool
    {
        switch ($file->getType()) {
            case 'dir':
                return @rmdir((string) $file->getRealPath());
            case 'link':
                return @unlink((string) $file->getPathname());
            default:
                return @unlink((string) $file->getRealPath());
        }
    }

    public function listContents(string $path, bool $deep): iterable
    {
        $location = $this->prefixer->prefixPath($path);

        if ( ! is_dir($location)) {
            return;
        }

        /** @var SplFileInfo[] $iterator */
        $iterator = $deep ? $this->listDirectoryRecursively($location) : $this->listDirectory($location);

        foreach ($iterator as $fileInfo) {
            $pathName = $fileInfo->getPathname();

            try {
                if ($fileInfo->isLink()) {
                    if ($this->linkHandling & self::SKIP_LINKS) {
                        continue;
                    }
                    throw SymbolicLinkEncountered::atLocation($pathName);
                }

                $path = $this->prefixer->stripPrefix($pathName);
                $lastModified = $fileInfo->getMTime();
                $isDirectory = $fileInfo->isDir();
                $permissions = octdec(substr(sprintf('%o', $fileInfo->getPerms()), -4));
                $visibility = $isDirectory ? $this->visibility->inverseForDirectory($permissions) : $this->visibility->inverseForFile($permissions);

                yield $isDirectory ? new DirectoryAttributes(str_replace('\\', '/', $path), $visibility, $lastModified) : new FileAttributes(
                    str_replace('\\', '/', $path),
                    $fileInfo->getSize(),
                    $visibility,
                    $lastModified
                );
            } catch (Throwable $exception) {
                if (file_exists($pathName)) {
                    throw $exception;
                }
            }
        }
    }

    public function move(string $source, string $destination, Config $config): void
    {
        $sourcePath = $this->prefixer->prefixPath($source);
        $destinationPath = $this->prefixer->prefixPath($destination);

        $this->ensureRootDirectoryExists();
        $this->ensureDirectoryExists(
            dirname($destinationPath),
            $this->resolveDirectoryVisibility($config->get(Config::OPTION_DIRECTORY_VISIBILITY))
        );

        if ( ! @rename($sourcePath, $destinationPath)) {
            throw UnableToMoveFile::because(error_get_last()['message'] ?? 'unknown reason', $source, $destination);
        }

        if ($visibility = $config->get(Config::OPTION_VISIBILITY)) {
            $this->setVisibility($destination, (string) $visibility);
        }
    }

    public function copy(string $source, string $destination, Config $config): void
    {
        $sourcePath = $this->prefixer->prefixPath($source);
        $destinationPath = $this->prefixer->prefixPath($destination);
        $this->ensureRootDirectoryExists();
        $this->ensureDirectoryExists(
            dirname($destinationPath),
            $this->resolveDirectoryVisibility($config->get(Config::OPTION_DIRECTORY_VISIBILITY))
        );

        if ( ! @copy($sourcePath, $destinationPath)) {
            throw UnableToCopyFile::because(error_get_last()['message'] ?? 'unknown', $source, $destination);
        }

        $visibility = $config->get(
            Config::OPTION_VISIBILITY,
            $config->get(Config::OPTION_RETAIN_VISIBILITY, true)
                ? $this->visibility($source)->visibility()
                : null,
        );

        if ($visibility) {
            $this->setVisibility($destination, (string) $visibility);
        }
    }

    public function read(string $path): string
    {
        $location = $this->prefixer->prefixPath($path);
        error_clear_last();
        $contents = @file_get_contents($location);

        if ($contents === false) {
            throw UnableToReadFile::fromLocation($path, error_get_last()['message'] ?? '');
        }

        return $contents;
    }

    public function readStream(string $path)
    {
        $location = $this->prefixer->prefixPath($path);
        error_clear_last();
        $contents = @fopen($location, 'rb');

        if ($contents === false) {
            throw UnableToReadFile::fromLocation($path, error_get_last()['message'] ?? '');
        }

        return $contents;
    }

    protected function ensureDirectoryExists(string $dirname, int $visibility): void
    {
        if (is_dir($dirname)) {
            return;
        }

        error_clear_last();

        if ( ! @mkdir($dirname, $visibility, true)) {
            $mkdirError = error_get_last();
        }

        clearstatcache(true, $dirname);

        if ( ! is_dir($dirname)) {
            $errorMessage = isset($mkdirError['message']) ? $mkdirError['message'] : '';

            throw UnableToCreateDirectory::atLocation($dirname, $errorMessage);
        }
    }

    public function fileExists(string $location): bool
    {
        $location = $this->prefixer->prefixPath($location);

        return is_file($location);
    }

    public function directoryExists(string $location): bool
    {
        $location = $this->prefixer->prefixPath($location);

        return is_dir($location);
    }

    public function createDirectory(string $path, Config $config): void
    {
        $this->ensureRootDirectoryExists();
        $location = $this->prefixer->prefixPath($path);
        $visibility = $config->get(Config::OPTION_VISIBILITY, $config->get(Config::OPTION_DIRECTORY_VISIBILITY));
        $permissions = $this->resolveDirectoryVisibility($visibility);

        if (is_dir($location)) {
            $this->setPermissions($location, $permissions);

            return;
        }

        error_clear_last();

        if ( ! @mkdir($location, $permissions, true)) {
            throw UnableToCreateDirectory::atLocation($path, error_get_last()['message'] ?? '');
        }
    }

    public function setVisibility(string $path, string $visibility): void
    {
        $path = $this->prefixer->prefixPath($path);
        $visibility = is_dir($path) ? $this->visibility->forDirectory($visibility) : $this->visibility->forFile(
            $visibility
        );

        $this->setPermissions($path, $visibility);
    }

    public function visibility(string $path): FileAttributes
    {
        $location = $this->prefixer->prefixPath($path);
        clearstatcache(false, $location);
        error_clear_last();
        $fileperms = @fileperms($location);

        if ($fileperms === false) {
            throw UnableToRetrieveMetadata::visibility($path, error_get_last()['message'] ?? '');
        }

        $permissions = $fileperms & 0777;
        $visibility = $this->visibility->inverseForFile($permissions);

        return new FileAttributes($path, null, $visibility);
    }

    private function resolveDirectoryVisibility(?string $visibility): int
    {
        return $visibility === null ? $this->visibility->defaultForDirectories() : $this->visibility->forDirectory(
            $visibility
        );
    }

    public function mimeType(string $path): FileAttributes
    {
        $location = $this->prefixer->prefixPath($path);
        error_clear_last();

        if ( ! is_file($location)) {
            throw UnableToRetrieveMetadata::mimeType($location, 'No such file exists.');
        }

        $mimeType = $this->mimeTypeDetector->detectMimeTypeFromFile($location);

        if ($mimeType === null) {
            throw UnableToRetrieveMetadata::mimeType($path, error_get_last()['message'] ?? '');
        }

        return new FileAttributes($path, null, null, null, $mimeType);
    }

    public function lastModified(string $path): FileAttributes
    {
        $location = $this->prefixer->prefixPath($path);
        error_clear_last();
        $lastModified = @filemtime($location);

        if ($lastModified === false) {
            throw UnableToRetrieveMetadata::lastModified($path, error_get_last()['message'] ?? '');
        }

        return new FileAttributes($path, null, null, $lastModified);
    }

    public function fileSize(string $path): FileAttributes
    {
        $location = $this->prefixer->prefixPath($path);
        error_clear_last();

        if (is_file($location) && ($fileSize = @filesize($location)) !== false) {
            return new FileAttributes($path, $fileSize);
        }

        throw UnableToRetrieveMetadata::fileSize($path, error_get_last()['message'] ?? '');
    }

    public function checksum(string $path, Config $config): string
    {
        $algo = $config->get('checksum_algo', 'md5');
        $location = $this->prefixer->prefixPath($path);
        error_clear_last();
        $checksum = @hash_file($algo, $location);

        if ($checksum === false) {
            throw new UnableToProvideChecksum(error_get_last()['message'] ?? '', $path);
        }

        return $checksum;
    }

    private function listDirectory(string $location): Generator
    {
        $iterator = new DirectoryIterator($location);

        foreach ($iterator as $item) {
            if ($item->isDot()) {
                continue;
            }

            yield $item;
        }
    }

    private function setPermissions(string $location, int $visibility): void
    {
        error_clear_last();
        if ( ! @chmod($location, $visibility)) {
            $extraMessage = error_get_last()['message'] ?? '';
            throw UnableToSetVisibility::atLocation($this->prefixer->stripPrefix($location), $extraMessage);
        }
    }
}
Path: home/kueuepay/public_html/vendor/league/flysystem-local
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About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

  • Simplifying Payments, One Tap at a Time.
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Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

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Can I add multiple cards to my NFC Pay wallet?

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How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

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Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard

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