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<?php
/**
* Part of the Joomla Framework Http Package
*
* @copyright Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
namespace Joomla\Http;
use Joomla\Uri\Uri;
use Joomla\Uri\UriInterface;
use Psr\Http\Client\ClientInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
/**
* HTTP client class.
*
* @since 1.0
*/
class Http implements ClientInterface
{
/**
* Options for the HTTP client.
*
* @var array|\ArrayAccess
* @since 1.0
*/
protected $options;
/**
* The HTTP transport object to use in sending HTTP requests.
*
* @var TransportInterface
* @since 1.0
*/
protected $transport;
/**
* Constructor.
*
* @param array|\ArrayAccess $options Client options array. If the registry contains any headers.* elements,
* these will be added to the request headers.
* @param TransportInterface $transport The HTTP transport object.
*
* @since 1.0
* @throws \InvalidArgumentException
*/
public function __construct($options = [], TransportInterface $transport = null)
{
if (!\is_array($options) && !($options instanceof \ArrayAccess))
{
throw new \InvalidArgumentException(
'The options param must be an array or implement the ArrayAccess interface.'
);
}
$this->options = $options;
if (!$transport)
{
$transport = (new HttpFactory)->getAvailableDriver($this->options);
// Ensure the transport is a TransportInterface instance or bail out
if (!($transport instanceof TransportInterface))
{
throw new \InvalidArgumentException(sprintf('A valid %s object was not set.', TransportInterface::class));
}
}
$this->transport = $transport;
}
/**
* Get an option from the HTTP client.
*
* @param string $key The name of the option to get.
* @param mixed $default The default value if the option is not set.
*
* @return mixed The option value.
*
* @since 1.0
*/
public function getOption($key, $default = null)
{
return $this->options[$key] ?? $default;
}
/**
* Set an option for the HTTP client.
*
* @param string $key The name of the option to set.
* @param mixed $value The option value to set.
*
* @return $this
*
* @since 1.0
*/
public function setOption($key, $value)
{
$this->options[$key] = $value;
return $this;
}
/**
* Method to send the OPTIONS command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function options($url, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('OPTIONS', $url, null, $headers, $timeout);
}
/**
* Method to send the HEAD command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function head($url, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('HEAD', $url, null, $headers, $timeout);
}
/**
* Method to send the GET command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function get($url, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('GET', $url, null, $headers, $timeout);
}
/**
* Method to send the POST command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param mixed $data Either an associative array or a string to be sent with the request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function post($url, $data, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('POST', $url, $data, $headers, $timeout);
}
/**
* Method to send the PUT command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param mixed $data Either an associative array or a string to be sent with the request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function put($url, $data, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('PUT', $url, $data, $headers, $timeout);
}
/**
* Method to send the DELETE command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
* @param mixed $data Either an associative array or a string to be sent with the request.
*
* @return Response
*
* @since 1.0
*/
public function delete($url, array $headers = [], $timeout = null, $data = null)
{
return $this->makeTransportRequest('DELETE', $url, $data, $headers, $timeout);
}
/**
* Method to send the TRACE command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function trace($url, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('TRACE', $url, null, $headers, $timeout);
}
/**
* Method to send the PATCH command to the server.
*
* @param string|UriInterface $url The URI to the resource to request.
* @param mixed $data Either an associative array or a string to be sent with the request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
*/
public function patch($url, $data, array $headers = [], $timeout = null)
{
return $this->makeTransportRequest('PATCH', $url, $data, $headers, $timeout);
}
/**
* Sends a PSR-7 request and returns a PSR-7 response.
*
* @param RequestInterface $request The PSR-7 request object.
*
* @return ResponseInterface|Response
*
* @since 2.0.0
*/
public function sendRequest(RequestInterface $request): ResponseInterface
{
$data = $request->getBody()->getContents();
return $this->makeTransportRequest(
$request->getMethod(),
new Uri((string) $request->getUri()),
empty($data) ? null : $data,
$request->getHeaders()
);
}
/**
* Send a request to the server and return a Response object with the response.
*
* @param string $method The HTTP method for sending the request.
* @param string|UriInterface $url The URI to the resource to request.
* @param mixed $data Either an associative array or a string to be sent with the request.
* @param array $headers An array of request headers to send with the request.
* @param integer $timeout Read timeout in seconds.
*
* @return Response
*
* @since 1.0
* @throws \InvalidArgumentException
*/
protected function makeTransportRequest($method, $url, $data = null, array $headers = [], $timeout = null)
{
// Look for headers set in the options.
if (isset($this->options['headers']))
{
$temp = (array) $this->options['headers'];
foreach ($temp as $key => $val)
{
if (!isset($headers[$key]))
{
$headers[$key] = $val;
}
}
}
// Look for timeout set in the options.
if ($timeout === null && isset($this->options['timeout']))
{
$timeout = $this->options['timeout'];
}
$userAgent = isset($this->options['userAgent']) ? $this->options['userAgent'] : null;
// Convert to a Uri object if we were given a string
if (\is_string($url))
{
$url = new Uri($url);
}
elseif (!($url instanceof UriInterface))
{
throw new \InvalidArgumentException(
sprintf(
'A string or %s object must be provided, a "%s" was provided.',
UriInterface::class,
\gettype($url)
)
);
}
return $this->transport->request($method, $url, $data, $headers, $timeout, $userAgent);
}
}