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wp-content/plugins/sitepress-multilingual-cms/classes/request-handling/wpml-request.class.php

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+<?php
+
+/**
+ * Class WPML_Request
+ *
+ * @package    wpml-core
+ * @subpackage wpml-requests
+ *
+ * @abstract
+ */
+
+use WPML\Language\Detection\CookieLanguage;
+
+abstract class WPML_Request {
+
+	/** @var  WPML_URL_Converter */
+	protected $url_converter;
+	protected $active_languages;
+	protected $default_language;
+
+	/** @var CookieLanguage  */
+	protected $cookieLanguage;
+
+	/**
+	 * @param  WPML_URL_Converter $url_converter
+	 * @param  array              $active_languages
+	 * @param  string             $default_language
+	 * @param  CookieLanguage     $cookieLanguage
+	 */
+	public function __construct(
+		WPML_URL_Converter $url_converter,
+		$active_languages,
+		$default_language,
+		CookieLanguage $cookieLanguage
+	) {
+		$this->url_converter    = $url_converter;
+		$this->active_languages = $active_languages;
+		$this->default_language = $default_language;
+		$this->cookieLanguage   = $cookieLanguage;
+	}
+
+	abstract protected function get_cookie_name();
+
+	/**
+	 * Determines the language of the current request.
+	 *
+	 * @return string|false language code of the current request, determined from the requested url and the user's
+	 *                      cookie.
+	 */
+	abstract public function get_requested_lang();
+
+	/**
+	 * Returns the current REQUEST_URI optionally filtered
+	 *
+	 * @param null|int $filter filter to apply to the REQUEST_URI, takes the same arguments
+	 *                         as filter_var for the filter type.
+	 *
+	 * @return string
+	 */
+	public function get_request_uri( $filter = null ) {
+		$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : '/';
+		if ( $filter !== null ) {
+			$request_uri = filter_var( $request_uri, $filter );
+		}
+
+		return $request_uri;
+	}
+
+	/**
+	 * @global $wpml_url_converter
+	 *
+	 * @return string|false language code that can be determined from the currently requested URI.
+	 */
+	public function get_request_uri_lang() {
+		$req_url = isset( $_SERVER['HTTP_HOST'] )
+			? untrailingslashit( $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ) : '';
+
+		return $this->url_converter->get_language_from_url( $req_url );
+	}
+
+	/**
+	 * @return string language code stored in the user's wp-wpml_current_language cookie
+	 */
+	public function get_cookie_lang() {
+		return $this->cookieLanguage->get( $this->get_cookie_name() );
+	}
+
+	/**
+	 * Checks whether hidden languages are to be displayed at the moment.
+	 * They are displayed in the frontend if the users has the respective option icl_show_hidden_languages set in his
+	 * user_meta. The are displayed in the backend for all admins with manage_option capabilities.
+	 *
+	 * @return bool true if hidden languages are to be shown
+	 */
+	public function show_hidden() {
+
+		return ! did_action( 'init' )
+			   || ( get_user_meta( get_current_user_id(), 'icl_show_hidden_languages', true )
+					|| ( ( is_admin() || wpml_is_rest_request() ) && current_user_can( 'manage_options' ) ) );
+	}
+
+	/**
+	 * Sets the language code of the current screen in the User's wp-wpml_current_language cookie
+	 *
+	 * When user is not logged we must set cookie with JS to avoid issues with cached pages
+	 *
+	 * @param string $lang_code
+	 */
+	public function set_language_cookie( $lang_code ) {
+		$this->cookieLanguage->set( $this->get_cookie_name(), $lang_code );
+	}
+}