API.php
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<?php
namespace ACP;
use ACP\API\Request;
use ACP\API\Response;
use WP_Error;
class API implements RequestDispatcher {
/**
* @var string
*/
protected $url;
/**
* @var string
*/
protected $proxy;
/**
* @var bool
*/
protected $use_proxy = true;
/**
* @var array
*/
private $meta = [];
/**
* @return string
*/
public function get_url() {
return $this->url;
}
/**
* @param string $url
*
* @return $this
*/
public function set_url( $url ) {
$this->url = $url;
return $this;
}
/**
* @return string
*/
public function get_proxy() {
return $this->proxy;
}
/**
* @param string $proxy
*
* @return $this
*/
public function set_proxy( $proxy ) {
$this->proxy = $proxy;
return $this;
}
/**
* @return bool
*/
public function is_use_proxy() {
return $this->use_proxy;
}
/**
* @param bool $use_proxy
*
* @return $this
*/
public function set_use_proxy( $use_proxy ) {
$this->use_proxy = $use_proxy;
return $this;
}
/**
* @param array $meta
*
* @return $this
*/
public function set_request_meta( array $meta ) {
$this->meta = $meta;
return $this;
}
/**
* Get the URL to call
* @return string
*/
private function get_request_url() {
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, array $args = [] ) {
$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;
}
}