WP_REST_Plugins_Controller::create_item( WP_REST_Request $request ): WP_REST_Response|WP_Error

Source

public function create_item( $request ) {	global $wp_filesystem;	require_once ABSPATH . 'wp-admin/includes/file.php';	require_once ABSPATH . 'wp-admin/includes/plugin.php';	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';	require_once ABSPATH . 'wp-admin/includes/plugin-install.php';	$slug = $request['slug'];	// Verify filesystem is accessible first.	$filesystem_available = $this->is_filesystem_available();	if ( is_wp_error( $filesystem_available ) ) {	return $filesystem_available;	}	$api = plugins_api(	'plugin_information',	array(	'slug' => $slug,	'fields' => array(	'sections' => false,	'language_packs' => true,	),	)	);	if ( is_wp_error( $api ) ) {	if ( str_contains( $api->get_error_message(), 'Plugin not found.' ) ) {	$api->add_data( array( 'status' => 404 ) );	} else {	$api->add_data( array( 'status' => 500 ) );	}	return $api;	}	$skin = new WP_Ajax_Upgrader_Skin();	$upgrader = new Plugin_Upgrader( $skin );	$result = $upgrader->install( $api->download_link );	if ( is_wp_error( $result ) ) {	$result->add_data( array( 'status' => 500 ) );	return $result;	}	// This should be the same as $result above.	if ( is_wp_error( $skin->result ) ) {	$skin->result->add_data( array( 'status' => 500 ) );	return $skin->result;	}	if ( $skin->get_errors()->has_errors() ) {	$error = $skin->get_errors();	$error->add_data( array( 'status' => 500 ) );	return $error;	}	if ( is_null( $result ) ) {	// Pass through the error from WP_Filesystem if one was raised.	if ( $wp_filesystem instanceof WP_Filesystem_Base	&& is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors()	) {	return new WP_Error(	'unable_to_connect_to_filesystem',	$wp_filesystem->errors->get_error_message(),	array( 'status' => 500 )	);	}	return new WP_Error(	'unable_to_connect_to_filesystem',	__( 'Unable to connect to the filesystem. Please confirm your credentials.' ),	array( 'status' => 500 )	);	}	$file = $upgrader->plugin_info();	if ( ! $file ) {	return new WP_Error(	'unable_to_determine_installed_plugin',	__( 'Unable to determine what plugin was installed.' ),	array( 'status' => 500 )	);	}	if ( 'inactive' !== $request['status'] ) {	$can_change_status = $this->plugin_status_permission_check( $file, $request['status'], 'inactive' );	if ( is_wp_error( $can_change_status ) ) {	return $can_change_status;	}	$changed_status = $this->handle_plugin_status( $file, $request['status'], 'inactive' );	if ( is_wp_error( $changed_status ) ) {	return $changed_status;	}	}	// Install translations.	$installed_locales = array_values( get_available_languages() );	/** This filter is documented in wp-includes/update.php */	$installed_locales = apply_filters( 'plugins_update_check_locales', $installed_locales );	$language_packs = array_map(	static function ( $item ) {	return (object) $item;	},	$api->language_packs	);	$language_packs = array_filter(	$language_packs,	static function ( $pack ) use ( $installed_locales ) {	return in_array( $pack->language, $installed_locales, true );	}	);	if ( $language_packs ) {	$lp_upgrader = new Language_Pack_Upgrader( $skin );	// Install all applicable language packs for the plugin.	$lp_upgrader->bulk_upgrade( $language_packs );	}	$path = WP_PLUGIN_DIR . '/' . $file;	$data = get_plugin_data( $path, false, false );	$data['_file'] = $file;	$response = $this->prepare_item_for_response( $data, $request );	$response->set_status( 201 );	$response->header( 'Location', rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, substr( $file, 0, - 4 ) ) ) );	return $response; } 

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