Subversion Repositories cheapmusic

<?php

namespace GuzzleHttp\Psr7;

use InvalidArgumentException;

use Psr\Http\Message\StreamInterface;

use Psr\Http\Message\UploadedFileInterface;

use RuntimeException;

class UploadedFile implements UploadedFileInterface

{

    /**

     * @var int[]

     */

    private static $errors = [

        UPLOAD_ERR_OK,

        UPLOAD_ERR_INI_SIZE,

        UPLOAD_ERR_FORM_SIZE,

        UPLOAD_ERR_PARTIAL,

        UPLOAD_ERR_NO_FILE,

        UPLOAD_ERR_NO_TMP_DIR,

        UPLOAD_ERR_CANT_WRITE,

        UPLOAD_ERR_EXTENSION,

    ];

    /**

     * @var string

     */

    private $clientFilename;

    /**

     * @var string

     */

    private $clientMediaType;

    /**

     * @var int

     */

    private $error;

    /**

     * @var null|string

     */

    private $file;

    /**

     * @var bool

     */

    private $moved = false;

    /**

     * @var int

     */

    private $size;

    /**

     * @var StreamInterface|null

     */

    private $stream;

    /**

     * @param StreamInterface|string|resource $streamOrFile

     * @param int $size

     * @param int $errorStatus

     * @param string|null $clientFilename

     * @param string|null $clientMediaType

     */

    public function __construct(

        $streamOrFile,

        $size,

        $errorStatus,

        $clientFilename = null,

        $clientMediaType = null

    ) {

        $this->setError($errorStatus);

        $this->setSize($size);

        $this->setClientFilename($clientFilename);

        $this->setClientMediaType($clientMediaType);

        if ($this->isOk()) {

            $this->setStreamOrFile($streamOrFile);

        }

    }

    /**

     * Depending on the value set file or stream variable

     *

     * @param mixed $streamOrFile

     * @throws InvalidArgumentException

     */

    private function setStreamOrFile($streamOrFile)

    {

        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'

            );

        }

    }

    /**

     * @param int $error

     * @throws InvalidArgumentException

     */

    private function setError($error)

    {

        if (false === is_int($error)) {

            throw new InvalidArgumentException(

                'Upload file error status must be an integer'

            );

        }

        if (false === in_array($error, UploadedFile::$errors)) {

            throw new InvalidArgumentException(

                'Invalid error status for UploadedFile'

            );

        }

        $this->error = $error;

    }

    /**

     * @param int $size

     * @throws InvalidArgumentException

     */

    private function setSize($size)

    {

        if (false === is_int($size)) {

            throw new InvalidArgumentException(

                'Upload file size must be an integer'

            );

        }

        $this->size = $size;

    }

    /**

     * @param mixed $param

     * @return boolean

     */

    private function isStringOrNull($param)

    {

        return in_array(gettype($param), ['string', 'NULL']);

    }

    /**

     * @param mixed $param

     * @return boolean

     */

    private function isStringNotEmpty($param)

    {

        return is_string($param) && false === empty($param);

    }

    /**

     * @param string|null $clientFilename

     * @throws InvalidArgumentException

     */

    private function setClientFilename($clientFilename)

    {

        if (false === $this->isStringOrNull($clientFilename)) {

            throw new InvalidArgumentException(

                'Upload file client filename must be a string or null'

            );

        }

        $this->clientFilename = $clientFilename;

    }

    /**

     * @param string|null $clientMediaType

     * @throws InvalidArgumentException

     */

    private function setClientMediaType($clientMediaType)

    {

        if (false === $this->isStringOrNull($clientMediaType)) {

            throw new InvalidArgumentException(

                'Upload file client media type must be a string or null'

            );

        }

        $this->clientMediaType = $clientMediaType;

    }

    /**

     * Return true if there is no upload error

     *

     * @return boolean

     */

    private function isOk()

    {

        return $this->error === UPLOAD_ERR_OK;

    }

    /**

     * @return boolean

     */

    public function isMoved()

    {

        return $this->moved;

    }

    /**

     * @throws RuntimeException if is moved or not ok

     */

    private function validateActive()

    {

        if (false === $this->isOk()) {

            throw new RuntimeException('Cannot retrieve stream due to upload error');

        }

        if ($this->isMoved()) {

            throw new RuntimeException('Cannot retrieve stream after it has already been moved');

        }

    }

    /**

     * {@inheritdoc}

     * @throws RuntimeException if the upload was not successful.

     */

    public function getStream()

    {

        $this->validateActive();

        if ($this->stream instanceof StreamInterface) {

            return $this->stream;

        }

        return new LazyOpenStream($this->file, 'r+');

    }

    /**

     * {@inheritdoc}

     *

     * @see http://php.net/is_uploaded_file

     * @see http://php.net/move_uploaded_file

     * @param string $targetPath Path to which to move the uploaded file.

     * @throws RuntimeException if the upload was not successful.

     * @throws InvalidArgumentException if the $path specified is invalid.

     * @throws RuntimeException on any error during the move operation, or on

     *     the second or subsequent call to the method.

     */

    public function moveTo($targetPath)

    {

        $this->validateActive();

        if (false === $this->isStringNotEmpty($targetPath)) {

            throw new InvalidArgumentException(

                'Invalid path provided for move operation; must be a non-empty string'

            );

        }

        if ($this->file) {

            $this->moved = php_sapi_name() == 'cli'

                ? rename($this->file, $targetPath)

                : move_uploaded_file($this->file, $targetPath);

        } else {

            copy_to_stream(

                $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)

            );

        }

    }

    /**

     * {@inheritdoc}

     *

     * @return int|null The file size in bytes or null if unknown.

     */

    public function getSize()

    {

        return $this->size;

    }

    /**

     * {@inheritdoc}

     *

     * @see http://php.net/manual/en/features.file-upload.errors.php

     * @return int One of PHP's UPLOAD_ERR_XXX constants.

     */

    public function getError()

    {

        return $this->error;

    }

    /**

     * {@inheritdoc}

     *

     * @return string|null The filename sent by the client or null if none

     *     was provided.

     */

    public function getClientFilename()

    {

        return $this->clientFilename;

    }

    /**

     * {@inheritdoc}

     */

    public function getClientMediaType()

    {

        return $this->clientMediaType;

    }

}