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<?php | ||
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namespace PrestaShop\Module\PsEventbus\Api\Post; | ||
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use GuzzleHttp\Psr7\PumpStream; | ||
use Psr\Http\Message\StreamInterface; | ||
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/** | ||
* PHP stream implementation | ||
*/ | ||
class Stream implements StreamInterface | ||
{ | ||
/** @var resource */ | ||
private $stream; | ||
/** @var int|mixed */ | ||
private $size; | ||
/** @var bool */ | ||
private $seekable; | ||
/** @var bool */ | ||
private $writable; | ||
/** @var bool */ | ||
private $readable; | ||
/** @var string */ | ||
private $uri; | ||
/** @var array */ | ||
private $customMetadata; | ||
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/** @var array Hash of readable and writable stream types */ | ||
private static $readWriteHash = [ | ||
'read' => [ | ||
'r' => true, 'w+' => true, 'r+' => true, 'x+' => true, 'c+' => true, | ||
'rb' => true, 'w+b' => true, 'r+b' => true, 'x+b' => true, | ||
'c+b' => true, 'rt' => true, 'w+t' => true, 'r+t' => true, | ||
'x+t' => true, 'c+t' => true, 'a+' => true, | ||
], | ||
'write' => [ | ||
'w' => true, 'w+' => true, 'rw' => true, 'r+' => true, 'x+' => true, | ||
'c+' => true, 'wb' => true, 'w+b' => true, 'r+b' => true, | ||
'x+b' => true, 'c+b' => true, 'w+t' => true, 'r+t' => true, | ||
'x+t' => true, 'c+t' => true, 'a' => true, 'a+' => true, | ||
], | ||
]; | ||
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/** | ||
* Create a new stream based on the input type. | ||
* | ||
* This factory accepts the same associative array of options as described | ||
* in the constructor. | ||
* | ||
* @param resource|string|StreamInterface|\Iterator $resource Entity body data | ||
* @param array $options Additional options | ||
* | ||
* @return \GuzzleHttp\Psr7\Stream|PumpStream|Stream|StreamInterface | ||
* | ||
* @@throws \InvalidArgumentException if the $resource arg is not valid | ||
*/ | ||
public static function factory($resource = '', array $options = []) | ||
{ | ||
if (is_string($resource)) { | ||
$stream = fopen('php://temp', 'r+'); | ||
if ($resource !== '' && is_resource($stream)) { | ||
fwrite($stream, $resource); | ||
fseek($stream, 0); | ||
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return new self($stream, $options); | ||
} | ||
} | ||
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if (is_resource($resource)) { | ||
return new self($resource, $options); | ||
} | ||
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if ($resource instanceof StreamInterface) { | ||
return $resource; | ||
} | ||
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if (is_object($resource) && method_exists($resource, '__toString')) { | ||
return self::factory((string) $resource, $options); | ||
} | ||
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if (is_callable($resource)) { | ||
return new PumpStream($resource, $options); | ||
} | ||
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if ($resource instanceof \Iterator) { | ||
return new PumpStream(function () use ($resource) { | ||
if (!$resource->valid()) { | ||
return false; | ||
} | ||
/** @var string|false|null $result */ | ||
$result = $resource->current(); | ||
$resource->next(); | ||
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return $result; | ||
}, $options); | ||
} | ||
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throw new \InvalidArgumentException('Invalid resource type: ' . gettype($resource)); | ||
} | ||
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/** | ||
* This constructor accepts an associative array of options. | ||
* | ||
* - size: (int) If a read stream would otherwise have an indeterminate | ||
* size, but the size is known due to foreknownledge, then you can | ||
* provide that size, in bytes. | ||
* - metadata: (array) Any additional metadata to return when the metadata | ||
* of the stream is accessed. | ||
* | ||
* @param resource $stream Stream resource to wrap | ||
* @param array $options Associative array of options | ||
* | ||
* @@throws \InvalidArgumentException if the stream is not a stream resource | ||
*/ | ||
public function __construct($stream, $options = []) | ||
{ | ||
if (!is_resource($stream)) { | ||
throw new \InvalidArgumentException('Stream must be a resource'); | ||
} | ||
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if (isset($options['size'])) { | ||
$this->size = $options['size']; | ||
} | ||
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$this->customMetadata = $options['metadata'] ?? []; | ||
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$this->attach($stream); | ||
} | ||
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/** | ||
* Closes the stream when the destructed | ||
*/ | ||
public function __destruct() | ||
{ | ||
$this->close(); | ||
} | ||
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public function __toString() | ||
{ | ||
$this->seek(0); | ||
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return (string) stream_get_contents($this->stream); | ||
} | ||
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/** | ||
* @return false|string | ||
*/ | ||
public function getContents() | ||
{ | ||
return stream_get_contents($this->stream); | ||
} | ||
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public function close() | ||
{ | ||
if (is_resource($this->stream)) { | ||
fclose($this->stream); | ||
} | ||
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$this->detach(); | ||
} | ||
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public function detach() | ||
{ | ||
$result = $this->stream; | ||
$this->size = $this->stream = null; | ||
$this->readable = $this->writable = $this->seekable = false; | ||
$this->uri = ''; | ||
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return $result; | ||
} | ||
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/** | ||
* @param resource $stream | ||
* | ||
* @return void | ||
*/ | ||
public function attach($stream) | ||
{ | ||
$this->stream = $stream; | ||
$meta = stream_get_meta_data($this->stream); | ||
$this->seekable = $meta['seekable']; | ||
$this->readable = isset(self::$readWriteHash['read'][$meta['mode']]); | ||
$this->writable = isset(self::$readWriteHash['write'][$meta['mode']]); | ||
/** @var string $uri */ | ||
$uri = $this->getMetadata('uri'); | ||
$this->uri = $uri; | ||
} | ||
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/** | ||
* @return int|mixed|null | ||
*/ | ||
public function getSize() | ||
{ | ||
if ($this->size !== null) { | ||
return $this->size; | ||
} | ||
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// Clear the stat cache if the stream has a URI | ||
if ($this->uri) { | ||
clearstatcache(true, $this->uri); | ||
} | ||
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$stats = fstat($this->stream); | ||
if ( | ||
/* @phpstan-ignore-next-line */ | ||
isset($stats['size']) | ||
) { | ||
$this->size = $stats['size']; | ||
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return $this->size; | ||
} | ||
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return null; | ||
} | ||
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public function isReadable() | ||
{ | ||
return $this->readable; | ||
} | ||
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public function isWritable() | ||
{ | ||
return $this->writable; | ||
} | ||
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public function isSeekable() | ||
{ | ||
return $this->seekable; | ||
} | ||
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public function eof() | ||
{ | ||
return feof($this->stream); | ||
} | ||
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/** | ||
* @return false|int | ||
*/ | ||
public function tell() | ||
{ | ||
return ftell($this->stream); | ||
} | ||
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/** | ||
* @param int|mixed $size | ||
* | ||
* @return $this | ||
*/ | ||
public function setSize($size) | ||
{ | ||
$this->size = $size; | ||
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return $this; | ||
} | ||
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/** | ||
* @param int $offset | ||
* @param int $whence | ||
* | ||
* @return bool | ||
*/ | ||
public function seek($offset, $whence = SEEK_SET) | ||
{ | ||
return $this->seekable && fseek($this->stream, $offset, $whence) === 0; | ||
} | ||
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/** | ||
* @param int<0, max> $length | ||
* | ||
* @return false|string | ||
*/ | ||
public function read($length) | ||
{ | ||
return $this->readable ? fread($this->stream, $length) : false; | ||
} | ||
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/** | ||
* @param string $string | ||
* | ||
* @return false|int | ||
*/ | ||
public function write($string) | ||
{ | ||
// We can't know the size after writing anything | ||
$this->size = null; | ||
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return $this->writable ? fwrite($this->stream, $string) : false; | ||
} | ||
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public function getMetadata($key = null) | ||
{ | ||
if (!$key) { | ||
return $this->customMetadata + stream_get_meta_data($this->stream); | ||
} elseif (isset($this->customMetadata[$key])) { | ||
return $this->customMetadata[$key]; | ||
} | ||
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$meta = stream_get_meta_data($this->stream); | ||
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return isset($meta[$key]) ? $meta[$key] : null; | ||
} | ||
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public function rewind(): void | ||
{ | ||
$this->seek(0); | ||
} | ||
} |