$wp_press_this = new WP_Press_This_Plugin();
		$wp_press_this->html();
	} elseif ( current_user_can( 'activate_plugins' ) ) {
		if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_file ) ) {
			$url    = wp_nonce_url(
				add_query_arg(
					array(
						'action' => 'activate',
						'plugin' => $plugin_file,
						'from'   => 'press-this',
					),
					admin_url( 'plugins.php' )
				),
				'activate-plugin_' . $plugin_file
			);
			$action = sprintf(
				'<a href="%1$s" aria-label="%2$s">%2$s</a>',
				esc_url( $url ),
				__( 'Activate Press This' )
			);
		} else {
			if ( is_main_site() ) {
				$url    = wp_nonce_url(
					add_query_arg(
						array(
							'action' => 'install-plugin',
							'plugin' => $plugin_slug,
							'from'   => 'press-this',
						),
						self_admin_url( 'update.php' )
					),
					'install-plugin_' . $plugin_slug
				);
				$action = sprintf(
					'<a href="%1$s" class="install-now" data-slug="%2$s" data-name="%2$s" aria-label="%3$s">%3$s</a>',
					esc_url( $url ),
					esc_attr( $plugin_slug ),
					__( 'Install Now' )
				);
			} else {
				$action = sprintf(
					/* translators: URL to wp-admin/press-this.php */
					__( 'Press This is not installed. Please install Press This from <a href="%s">the main site</a>.' ),
					get_admin_url( get_current_network_id(), 'press-this.php' )
				);
			}
		}
		wp_die(
			__( 'The Press This plugin is required.' ) . '<br />' . $action,
			__( 'Installation Required' ),
			200
		);
	} else {
		wp_die(
			__( 'Press This is not available. Please contact your site administrator.' ),