API.php
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<?php
namespace ACP;
use ACP\API\Request;
use ACP\API\Response;
use WP_Error;
class API
{
/**
* @var string
*/
protected $url;
/**
* @var string
*/
protected $proxy;
/**
* @var bool
*/
protected $use_proxy = true;
/**
* @var array
*/
private $meta = [];
public function get_url(): string
{
return $this->url;
}
public function set_url(string $url): self
{
$this->url = $url;
return $this;
}
public function get_proxy(): string
{
return $this->proxy;
}
public function set_proxy(string $proxy): self
{
$this->proxy = $proxy;
return $this;
}
public function is_use_proxy(): bool
{
return $this->use_proxy;
}
public function set_use_proxy(bool $use_proxy): self
{
$this->use_proxy = $use_proxy;
return $this;
}
public function set_request_meta(array $meta): self
{
$this->meta = $meta;
return $this;
}
private function get_request_url(): string
{
if ($this->use_proxy) {
return $this->proxy;
}
return $this->url;
}
private function check_response_for_error($data)
{
if (is_wp_error($data)) {
return $data;
}
$code = (int)$data['response']['code'];
if ($code >= 200 && $code < 400) {
return $data;
}
return new WP_Error(
$data['response']['code'],
__('The Admin Columns Server was unreachable.', 'codepress-admin-columns')
);
}
public function dispatch(Request $request): Response
{
$body = $request->get_body();
if ( ! isset($body['meta']) || ! is_array($body['meta'])) {
$body['meta'] = [];
}
$body['meta'] = array_merge($body['meta'], $this->meta);
$request->set_body($body);
$data = wp_remote_post($this->get_request_url(), $request->get_args());
$response = new Response();
$data = $this->check_response_for_error($data);
if (is_wp_error($data)) {
return $response->with_error($data);
}
$body = wp_remote_retrieve_body($data);
// retry with proxy disabled
if ( ! $body && $this->use_proxy) {
$this->use_proxy = false;
return $this->dispatch($request);
}
$decoded = json_decode($body, true);
if (empty($decoded)) {
return $response->with_error(new WP_Error('invalid_response', 'Invalid response.'));
}
$response = $response->with_body((object)json_decode($body, true));
if ($response->get('error')) {
$response = $response->with_error(
new WP_Error($response->get('code'), $response->get('message'))
);
}
return $response;
}
}