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Upload File : |
<?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 string|null
*/
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 $param
*
* @return bool
*/
private function isStringOrNull($param)
{
return in_array(gettype($param), ['string', 'NULL']);
}
/**
* @param mixed $param
*
* @return bool
*/
private function isStringNotEmpty($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 bool
*/
private function isOk()
{
return $this->error === UPLOAD_ERR_OK;
}
/**
* @return bool
*/
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 {
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)
);
}
}
/**
* {@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;
}
}