friendica-addons/s3_storage/vendor/akeeba/s3/src/Response.php

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<?php
/**
* Akeeba Engine
*
* @package akeebaengine
* @copyright Copyright (c)2006-2020 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
namespace Akeeba\Engine\Postproc\Connector\S3v4;
use Akeeba\Engine\Postproc\Connector\S3v4\Exception\PropertyNotFound;
use Akeeba\Engine\Postproc\Connector\S3v4\Response\Error;
use SimpleXMLElement;
// Protection against direct access
defined('AKEEBAENGINE') or die();
/**
* Amazon S3 API response object
*
* @property Error $error Response error object
* @property string|SimpleXMLElement|null $body Body data
* @property int $code Response code
* @property array $headers Any headers we may have
*/
class Response
{
/**
* Error object
*
* @var Error
*/
private $error = null;
/**
* Response body
*
* @var string|SimpleXMLElement|null
*/
private $body = null;
/**
* Status code of the response, e.g. 200 for OK, 403 for Forbidden etc
*
* @var int
*/
private $code = 0;
/**
* Response headers
*
* @var array
*/
private $headers = [];
/**
* Response constructor.
*/
public function __construct()
{
$this->error = new Error();
}
/**
* Is this an error response?
*
* @return bool
*/
public function isError(): bool
{
return is_null($this->error) || $this->error->isError();
}
/**
* Does this response have a body?
*
* @return bool
*/
public function hasBody(): bool
{
return !empty($this->body);
}
/**
* Get the response error object
*
* @return Error
*/
public function getError(): Error
{
return $this->error;
}
/**
* Set the response error object
*
* @param Error $error
*/
public function setError(Error $error): void
{
$this->error = $error;
}
/**
* Get the response body
*
* If there is no body set up you get NULL.
*
* If the body is binary data (e.g. downloading a file) or other non-XML data you get a string.
*
* If the body was an XML string the standard Amazon S3 REST API response type you get a SimpleXMLElement
* object.
*
* @return string|SimpleXMLElement|null
*/
public function getBody()
{
return $this->body;
}
/**
* Set the response body. If it's a string we'll try to parse it as XML.
*
* @param string|SimpleXMLElement|null $body
*/
public function setBody($body): void
{
$this->body = null;
if (empty($body))
{
return;
}
$this->body = $body;
$this->finaliseBody();
}
public function resetBody(): void
{
$this->body = null;
}
public function addToBody(string $data): void
{
if (empty($this->body))
{
$this->body = '';
}
$this->body .= $data;
}
public function finaliseBody(): void
{
if (!$this->hasBody())
{
return;
}
if (!isset($this->headers['type']))
{
$this->headers['type'] = 'text/plain';
}
if (is_string($this->body) &&
(($this->headers['type'] == 'application/xml') || (substr($this->body, 0, 5) == '<?xml'))
)
{
$this->body = simplexml_load_string($this->body);
}
if (is_object($this->body) && ($this->body instanceof SimpleXMLElement))
{
$this->parseBody();
}
}
/**
* Returns the status code of the response
*
* @return int
*/
public function getCode(): int
{
return $this->code;
}
/**
* Sets the status code of the response
*
* @param int $code
*/
public function setCode(int $code): void
{
$this->code = $code;
}
/**
* Get the response headers
*
* @return array
*/
public function getHeaders(): array
{
return $this->headers;
}
/**
* Set the response headers
*
* @param array $headers
*/
public function setHeaders(array $headers): void
{
$this->headers = $headers;
}
/**
* Set a single header
*
* @param string $name The header name
* @param string $value The header value
*
* @return void
*/
public function setHeader(string $name, string $value): void
{
$this->headers[$name] = $value;
}
/**
* Does a header by this name exist?
*
* @param string $name The header to look for
*
* @return bool True if it exists
*/
public function hasHeader(string $name): bool
{
return array_key_exists($name, $this->headers);
}
/**
* Unset a response header
*
* @param string $name The header to unset
*
* @return void
*/
public function unsetHeader(string $name): void
{
if ($this->hasHeader($name))
{
unset ($this->headers[$name]);
}
}
/**
* Magic getter for the protected properties
*
* @param string $name
*
* @return mixed
*/
public function __get(string $name)
{
switch ($name)
{
case 'error':
return $this->getError();
break;
case 'body':
return $this->getBody();
break;
case 'code':
return $this->getCode();
break;
case 'headers':
return $this->getHeaders();
break;
}
throw new PropertyNotFound("Property $name not found in " . get_class($this));
}
/**
* Magic setter for the protected properties
*
* @param string $name The name of the property
* @param mixed $value The value of the property
*
* @return void
*/
public function __set(string $name, $value): void
{
switch ($name)
{
case 'error':
$this->setError($value);
break;
case 'body':
$this->setBody($value);
break;
case 'code':
$this->setCode($value);
break;
case 'headers':
$this->setHeaders($value);
break;
default:
throw new PropertyNotFound("Property $name not found in " . get_class($this));
}
}
/**
* Scans the SimpleXMLElement body for errors and propagates them to the Error object
*/
protected function parseBody(): void
{
if (!in_array($this->code, [200, 204]) &&
isset($this->body->Code, $this->body->Message)
)
{
$this->error = new Error(
$this->code,
(string) $this->body->Message
);
if (isset($this->body->Resource))
{
$this->error->setResource((string) $this->body->Resource);
}
}
}
}