_ Git - physioassist-wordpress.git/blob

   1 <?php
   2
   3 /**
   4  * Class WPML_URL_Converter
   5  *
   6  * @package    wpml-core
   7  * @subpackage url-handling
   8  *
   9  */
  10
  11 class WPML_URL_Converter {
  12         /**
  13          * @var IWPML_URL_Converter_Strategy
  14          */
  15         private $strategy;
  16
  17         protected $default_language;
  18         protected $active_languages;
  19
  20         /**
  21          * @var WPML_URL_Converter_Url_Helper
  22          */
  23         protected $home_url_helper;
  24
  25         /**
  26          * @var WPML_URL_Converter_Lang_Param_Helper
  27          */
  28         protected $lang_param;
  29
  30         /**
  31          * @var WPML_Slash_Management
  32          */
  33         protected $slash_helper;
  34
  35         /**
  36          * @var WPML_Resolve_Object_Url_Helper
  37          */
  38         protected $object_url_helper;
  39
  40         /**
  41          * @param IWPML_URL_Converter_Strategy $strategy
  42          * @param WPML_Resolve_Object_Url_Helper $object_url_helper
  43          * @param $default_language
  44          * @param $active_languages
  45          */
  46         public function __construct(
  47                 IWPML_URL_Converter_Strategy $strategy,
  48                 WPML_Resolve_Object_Url_Helper $object_url_helper,
  49                 $default_language,
  50                 $active_languages
  51         ) {
  52                 $this->strategy = $strategy;
  53                 $this->object_url_helper = $object_url_helper;
  54                 $this->default_language = $default_language;
  55                 $this->active_languages = $active_languages;
  56
  57                 $this->lang_param = new WPML_URL_Converter_Lang_Param_Helper( $active_languages );
  58                 $this->slash_helper = new WPML_Slash_Management();
  59         }
  60
  61         public function get_strategy() {
  62                 return $this->strategy;
  63         }
  64
  65         /**
  66          * @param WPML_URL_Converter_Url_Helper $url_helper
  67          */
  68         public function set_url_helper( WPML_URL_Converter_Url_Helper $url_helper ) {
  69                 $this->home_url_helper = $url_helper;
  70
  71                 if ( $this->strategy instanceof WPML_URL_Converter_Abstract_Strategy ) {
  72                         $this->strategy->set_url_helper( $url_helper );
  73                 }
  74         }
  75
  76         /**
  77          * @return WPML_URL_Converter_Url_Helper
  78          */
  79         public function get_url_helper() {
  80                 if ( ! $this->home_url_helper ) {
  81                         $this->home_url_helper = new WPML_URL_Converter_Url_Helper();
  82                 }
  83
  84                 return $this->home_url_helper;
  85         }
  86
  87         public function get_abs_home() {
  88                 return $this->get_url_helper()->get_abs_home();
  89         }
  90
  91         /**
  92          * @param WPML_URL_Converter_Lang_Param_Helper $lang_param_helper
  93          */
  94         public function set_lang_param_helper( WPML_URL_Converter_Lang_Param_Helper $lang_param_helper ) {
  95                 $this->lang_param = $lang_param_helper;
  96         }
  97
  98         /**
  99          * @param WPML_Slash_Management $slash_helper
 100          */
 101         public function set_slash_helper( WPML_Slash_Management $slash_helper ) {
 102                 $this->slash_helper = $slash_helper;
 103         }
 104
 105         /**
 106          * Scope of this function:
 107          * 1. Convert the home URL in the specified language depending on language negotiation:
 108          *    1. Add a language directory
 109          *    2. Change the domain
 110          *    3. Add a language parameter
 111          * 2. If the requested URL is equal to the current URL, the URI will be adapted
 112          * with potential slug translations for:
 113          *    - single post slugs
 114          *    - taxonomy term slug
 115          *
 116          * WARNING: The URI slugs won't be translated for arbitrary URL (not the current one)
 117          *
 118          * @param $url
 119          * @param bool $lang_code
 120          *
 121          * @return bool|mixed|string
 122          */
 123         public function convert_url( $url, $lang_code = false ) {
 124                 if ( ! $url ) {
 125                         return $url;
 126                 }
 127
 128                 global $sitepress;
 129
 130                 $new_url = false;
 131                 if ( ! $lang_code ) {
 132                         $lang_code = $sitepress->get_current_language();
 133                 }
 134                 $language_from_url  = $this->get_language_from_url( $url );
 135
 136                 if ( $language_from_url === $lang_code ) {
 137                         $new_url = $url;
 138                 } else {
 139                         if ( $this->can_resolve_object_url( $url ) ) {
 140                                 $new_url = $this->object_url_helper->resolve_object_url( $url, $lang_code );
 141                         }
 142
 143                         if ( false === $new_url ) {
 144                                 $new_url = $this->strategy->convert_url_string( $url, $lang_code );
 145                         }
 146                 }
 147
 148                 return $this->slash_helper->match_trailing_slash_to_reference( $new_url, $url );
 149         }
 150
 151         /**
 152          * Takes a URL and returns the language of the document it points at
 153          *
 154          * @param string $url
 155          * @return string
 156          */
 157         public function get_language_from_url( $url ) {
 158                 $url = $this->get_url_from_referer_if_admin_ajax_req_called_from_frontend( $url );
 159
 160                 if ( ! ( $language = $this->lang_param->lang_by_param( $url ) ) ) {
 161                         $language = $this->get_strategy()->get_lang_from_url_string( $url );
 162                 }
 163
 164                 return $this->get_strategy()->validate_language( $language, $url );
 165         }
 166
 167         private function get_url_from_referer_if_admin_ajax_req_called_from_frontend( $url ) {
 168                 if ( false === strpos( $url, 'admin-ajax.php' ) ) {
 169                         return $url;
 170                 }
 171
 172                 if ( ! isset( $_SERVER['HTTP_REFERER'] ) ) {
 173                         return $url;
 174                 }
 175
 176                 // is not frontend
 177                 if ( strpos( $_SERVER['HTTP_REFERER'], 'wp-admin' ) || strpos( $_SERVER['HTTP_REFERER'], 'admin-ajax' ) ) {
 178                         return $url;
 179                 }
 180
 181                 return $_SERVER['HTTP_REFERER'];
 182         }
 183
 184         /**
 185          * @param string $url
 186          * @param string $langauge
 187          *
 188          * @return string
 189          */
 190         public function get_home_url_relative( $url, $language ) {
 191                 return $this->get_strategy()->get_home_url_relative( $url, $language );
 192         }
 193
 194         /**
 195          * @param string $url
 196          *
 197          * @return bool
 198          */
 199         private function can_resolve_object_url( $url ) {
 200                 $server_name = isset( $_SERVER['SERVER_NAME'] ) ? $_SERVER['SERVER_NAME'] : '';
 201                 $request_uri = isset( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : '';
 202                 $server_name = strpos( $request_uri, '/' ) === 0
 203                         ? untrailingslashit( $server_name ) : trailingslashit( $server_name );
 204                 $request_url = stripos( get_option( 'siteurl' ), 'https://' ) === 0
 205                         ? 'https://' . $server_name . $request_uri : 'http://' . $server_name . $request_uri;
 206
 207                 $is_request_url     = trailingslashit( $request_url ) === trailingslashit( $url );
 208                 $is_home_url        = trailingslashit( $this->get_url_helper()->get_abs_home() ) === trailingslashit( $url );
 209                 $is_home_url_filter = current_filter() === 'home_url';
 210
 211                 return $is_request_url && ! $is_home_url && ! $is_home_url_filter;
 212         }
 213 }