class-wpml-tp-api-client.php
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<?php
use WPML\FP\Str;
class WPML_TP_API_Client {
/** @var string */
private $proxy_url;
/** @var WP_Http $http */
private $http;
/** @var WPML_TP_Lock $tp_lock */
private $tp_lock;
/** @var WPML_TP_HTTP_Request_Filter */
private $request_filter;
public function __construct(
$proxy_url,
WP_Http $http,
WPML_TP_Lock $tp_lock,
WPML_TP_HTTP_Request_Filter $request_filter
) {
$this->proxy_url = $proxy_url;
$this->http = $http;
$this->tp_lock = $tp_lock;
$this->request_filter = $request_filter;
}
/**
* @param WPML_TP_API_Request $request
* @param bool $raw_json_response
*
* @return array|mixed|stdClass|string
* @throws WPML_TP_API_Exception
*/
public function send_request( WPML_TP_API_Request $request, $raw_json_response = false ) {
if ( $this->tp_lock->is_locked( $request->get_url() ) ) {
throw new WPML_TP_API_Exception( 'Communication with translation proxy is not allowed.', $request );
}
WPML_TranslationProxy_Com_Log::log_call( $request->get_url(), $request->get_params() );
$response = $this->call_remote_api( $request );
if ( ! $response || is_wp_error( $response ) || ( isset( $response['response'] ) && isset( $response['response']['code'] ) && $response['response']['code'] >= 400 ) ) {
throw new WPML_TP_API_Exception( 'Communication error', $request, $response );
}
if ( isset( $response['headers'] ) && isset( $response['headers']['content-type'] ) ) {
$content_type = $response['headers']['content-type'];
$response = $response['body'];
if ( strpos( $content_type, 'zip' ) !== false ) {
$response = gzdecode( $response );
} else {
WPML_TranslationProxy_Com_Log::log_response( $response );
}
$json_response = json_decode( $response );
if ( $json_response ) {
if ( $raw_json_response ) {
$response = $json_response;
} else {
$response = $this->handle_json_response( $request, $json_response );
}
}
}
return $response;
}
/**
* @param WPML_TP_API_Request $request
*
* @return null|WP_Error|string
*/
private function call_remote_api( WPML_TP_API_Request $request ) {
$context = $this->filter_request_params( $request->get_params(), $request->get_method() );
$url = $request->get_url();
if ( ! Str::startsWith( 'http://', $url ) && ! Str::startsWith( 'https://', $url ) ) {
$url = $this->proxy_url . $url;
}
return $this->http->request( $url, $context );
}
/**
* @param array $params request parameters
* @param string $method HTTP request method
*
* @return array
*/
private function filter_request_params( $params, $method ) {
return $this->request_filter->build_request_context(
array(
'method' => $method,
'body' => $params,
'sslverify' => true,
'timeout' => 60,
)
);
}
/**
* @param WPML_TP_API_Request $request
* @param stdClass $response
*
* @return mixed
* @throws WPML_TP_API_Exception
*/
private function handle_json_response( WPML_TP_API_Request $request, $response ) {
if ( $request->has_api_response() ) {
if ( ! isset( $response->status->code ) || $response->status->code !== 0 ) {
throw new WPML_TP_API_Exception(
$this->generate_error_message_from_status_field( $response ),
$request,
$response
);
}
$response = $response->response;
}
return $response;
}
private function generate_error_message_from_status_field( $response ) {
$message = '';
if ( isset( $response->status->message ) ) {
if ( isset( $response->status->code ) ) {
$message = '(' . $response->status->code . ') ';
}
$message .= $response->status->message;
} else {
$message = 'Unknown error';
}
return $message;
}
}