first commit

wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/helper/class-wpml-url-converter-lang-param-helper.php

@@ -0,0 +1,109 @@
+<?php
+
+class WPML_URL_Converter_Lang_Param_Helper {
+	/**
+	 * @var array
+	 */
+	private static $cache = array();
+
+	/**
+	 * @var array
+	 */
+	private $active_languages;
+
+	/**
+	 * @param array $active_languages
+	 */
+	public function __construct( array $active_languages ) {
+		$this->active_languages = $active_languages;
+	}
+
+	/**
+	 *
+	 * @param string $url
+	 * @param bool   $only_admin If set to true only language parameters on Admin Screen URLs will be recognized. The
+	 *                           function will return null for non-Admin Screens.
+	 *
+	 * @return null|string Language code
+	 */
+	public function lang_by_param( $url, $only_admin = true ) {
+		if ( isset( self::$cache[ $url ] ) ) {
+			return self::$cache[ $url ];
+		}
+
+		$lang = $this->extract_lang_param_from_url( $url, $only_admin );
+
+		self::$cache[ $url ] = $lang;
+
+		return $lang;
+	}
+
+	/**
+	 * @param string $url
+	 * @param bool   $only_admin
+	 *
+	 * @return string|null
+	 */
+	private function extract_lang_param_from_url( $url, $only_admin ) {
+		$url             = wpml_strip_subdir_from_url( $url );
+		$url_query_parts = wpml_parse_url( $url );
+		$url_query       = $this->has_query_part( $only_admin, $url_query_parts ) ? untrailingslashit( $url_query_parts['query'] ) : null;
+
+		if ( null !== $url_query ) {
+			parse_str( $url_query, $vars );
+			if ( $this->can_retrieve_lang_from_query( $only_admin, $vars ) ) {
+				return $vars['lang'];
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * @param bool  $only_admin
+	 * @param array $url_query_parts
+	 *
+	 * @return bool
+	 */
+	private function has_query_part( $only_admin, $url_query_parts ) {
+		if ( ! isset( $url_query_parts['query'] ) ) {
+			return false;
+		}
+
+		if ( false === $only_admin ) {
+			return true;
+		}
+
+		if ( ! isset( $url_query_parts['path'] ) ) {
+			return false;
+		}
+
+		if ( false === strpos( $url_query_parts['path'], '/wp-admin' ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * @param bool  $only_admin
+	 * @param array $vars
+	 *
+	 * @return bool
+	 */
+	private function can_retrieve_lang_from_query( $only_admin, $vars ) {
+		if ( ! isset( $vars['lang'] ) ) {
+			return false;
+		}
+
+		if ( $only_admin && 'all' === $vars['lang'] ) {
+			return true;
+		}
+
+		if ( in_array( $vars['lang'], $this->active_languages, true ) ) {
+			return true;
+		}
+
+		return false;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/helper/class-wpml-url-converter-url-helper.php

@@ -0,0 +1,99 @@
+<?php
+
+class WPML_URL_Converter_Url_Helper {
+	/**
+	 * @var wpdb
+	 */
+	private $wpdb;
+
+	/**
+	 * @var WPML_Include_Url
+	 */
+	private $wpml_include_url_filter;
+
+	/**
+	 * @var string
+	 */
+	private $absolute_home;
+
+	/**
+	 *
+	 * @param wpdb             $wpdb
+	 * @param WPML_Include_Url $wpml_include_url_filter
+	 */
+	public function __construct( wpdb $wpdb = null, WPML_Include_Url $wpml_include_url_filter = null ) {
+		if ( ! $wpdb ) {
+			global $wpdb;
+		}
+
+		if ( ! $wpml_include_url_filter ) {
+			global $wpml_include_url_filter;
+		}
+
+		$this->wpdb                    = $wpdb;
+		$this->wpml_include_url_filter = $wpml_include_url_filter;
+	}
+
+	/**
+	 * Returns the unfiltered home_url by directly retrieving it from wp_options.
+	 *
+	 * @return string
+	 */
+	public function get_abs_home() {
+		if ( ! $this->absolute_home ) {
+			$is_multisite = is_multisite();
+			if ( ! $is_multisite && defined( 'WP_HOME' ) ) {
+				$this->absolute_home = WP_HOME;
+			} elseif ( $is_multisite && ! is_main_site() ) {
+				$protocol = preg_match( '/^(https)/', get_option( 'home' ) ) === 1 ? 'https://' : 'http://';
+				$sql      = "	
+					SELECT CONCAT(b.domain, b.path)
+					FROM {$this->wpdb->blogs} b
+					WHERE blog_id = {$this->wpdb->blogid}
+					LIMIT 1
+				";
+
+				$this->absolute_home = $protocol . $this->wpdb->get_var( $sql );
+			} else {
+				$this->absolute_home = $this->get_unfiltered_home_option();
+			}
+		}
+
+		return apply_filters( 'wpml_url_converter_get_abs_home', $this->absolute_home );
+	}
+
+	/**
+	 * Checks if a $url points to a WP Admin screen.
+	 *
+	 * @param string $url
+	 * @return bool True if the input $url points to an admin screen.
+	 */
+	public function is_url_admin( $url ) {
+		$url_query_parts = wpml_parse_url( strpos( $url, 'http' ) === false ? 'http://' . $url : $url );
+
+		return isset( $url_query_parts['path'] )
+			   && strpos( wpml_strip_subdir_from_url( $url_query_parts['path'] ), '/wp-admin' ) === 0;
+	}
+
+	/**
+	 * Returns the unfiltered home option from the database.
+	 *
+	 * @uses \WPML_Include_Url::get_unfiltered_home in case the $wpml_include_url_filter global is loaded
+	 *
+	 * @return string
+	 */
+	public function get_unfiltered_home_option() {
+		if ( $this->wpml_include_url_filter ) {
+			return $this->wpml_include_url_filter->get_unfiltered_home();
+		} else {
+			$sql = "	
+				SELECT option_value
+				FROM {$this->wpdb->options}
+				WHERE option_name = 'home'
+				LIMIT 1
+			";
+
+			return $this->wpdb->get_var( $sql );
+		}
+	}
+}