| @@ -1,81 +1,62 @@ | ||
| 1 | 1 | <?php |
| 2 | -/** | |
| 3 | - * @package Polylang | |
| 4 | - */ | |
| 5 | 2 | |
| 6 | -/** | |
| 7 | - * Links model for use when the language code is added in url as a directory | |
| 3 | +/* | |
| 4 | + * links model for use when the language code is added in url as a directory | |
| 8 | 5 | * for example mysite.com/en/something |
| 9 | 6 | * implements the "links_model interface" |
| 10 | 7 | * |
| 11 | 8 | * @since 1.2 |
| 12 | 9 | */ |
| 13 | -class PLL_Links_Directory extends PLL_Links_Permalinks { | |
| 14 | - protected $home_relative; | |
| 10 | +class PLL_Links_Directory extends PLL_Links_Model { | |
| 11 | + protected $index = 'index.php'; // need this before $wp_rewrite is created, also harcoded in wp-includes/rewrite.php | |
| 12 | + protected $root; | |
| 13 | + protected $rewrite_rules = array(); | |
| 14 | + protected $always_rewrite = array('date', 'root', 'comments', 'search', 'author', 'post_format', 'language'); | |
| 15 | 15 | |
| 16 | - /** | |
| 17 | - * Constructor | |
| 16 | + /* | |
| 17 | + * constructor | |
| 18 | 18 | * |
| 19 | 19 | * @since 1.2 |
| 20 | 20 | * |
| 21 | 21 | * @param object $model PLL_Model instance |
| 22 | 22 | */ |
| 23 | - public function __construct( &$model ) { | |
| 24 | - parent::__construct( $model ); | |
| 23 | + public function __construct(&$model) { | |
| 24 | + parent::__construct($model); | |
| 25 | 25 | |
| 26 | - $this->home_relative = home_url( '/', 'relative' ); | |
| 26 | + // inspired by wp-includes/rewrite.php | |
| 27 | + $this->root = preg_match('#^/*' . $this->index . '#', get_option('permalink_structure')) ? $this->index . '/' : ''; | |
| 27 | 28 | |
| 28 | - if ( did_action( 'pll_init' ) ) { | |
| 29 | - $this->init(); | |
| 30 | - } else { | |
| 31 | - add_action( 'pll_init', array( $this, 'init' ) ); | |
| 32 | - } | |
| 33 | - } | |
| 29 | + add_action ('setup_theme', array(&$this, 'add_permastruct')); | |
| 34 | 30 | |
| 35 | - /** | |
| 36 | - * Called only at first object creation to avoid duplicating filters when switching blog | |
| 37 | - * | |
| 38 | - * @since 1.6 | |
| 39 | - */ | |
| 40 | - public function init() { | |
| 41 | - if ( did_action( 'setup_theme' ) ) { | |
| 42 | - $this->add_permastruct(); | |
| 43 | - } else { | |
| 44 | - add_action( 'setup_theme', array( $this, 'add_permastruct' ), 2 ); | |
| 45 | - } | |
| 31 | + // refresh rewrite rules if the 'page_on_front' option is modified | |
| 32 | + add_action('update_option_page_on_front', 'flush_rewrite_rules'); | |
| 46 | 33 | |
| 47 | - // Make sure to prepare rewrite rules when flushing | |
| 48 | - add_action( 'pre_option_rewrite_rules', array( $this, 'prepare_rewrite_rules' ) ); | |
| 34 | + // make sure to prepare rewrite rules when flushing | |
| 35 | + add_action ('pre_option_rewrite_rules', array(&$this, 'prepare_rewrite_rules')); | |
| 49 | 36 | } |
| 50 | 37 | |
| 51 | - /** | |
| 52 | - * Adds the language code in url | |
| 38 | + /* | |
| 39 | + * adds the language code in url | |
| 53 | 40 | * links_model interface |
| 54 | 41 | * |
| 55 | 42 | * @since 1.2 |
| 56 | 43 | * |
| 57 | - * @param string $url url to modify | |
| 44 | + * @param string $url url to modify | |
| 58 | 45 | * @param object $lang language |
| 59 | 46 | * @return string modified url |
| 60 | 47 | */ |
| 61 | - public function add_language_to_link( $url, $lang ) { | |
| 62 | - if ( ! empty( $lang ) ) { | |
| 48 | + public function add_language_to_link($url, $lang) { | |
| 49 | + if (!empty($lang)) { | |
| 63 | 50 | $base = $this->options['rewrite'] ? '' : 'language/'; |
| 64 | 51 | $slug = $this->options['default_lang'] == $lang->slug && $this->options['hide_default'] ? '' : $base . $lang->slug . '/'; |
| 65 | - $root = ( false === strpos( $url, '://' ) ) ? $this->home_relative . $this->root : preg_replace( '#^https?://#', '://', $this->home . '/' . $this->root ); | |
| 66 | - | |
| 67 | - if ( false === strpos( $url, $new = $root . $slug ) ) { | |
| 68 | - $pattern = preg_quote( $root, '#' ); | |
| 69 | - $pattern = '#' . $pattern . '#'; | |
| 70 | - return preg_replace( $pattern, $new, $url, 1 ); // Only once | |
| 71 | - } | |
| 52 | + return str_replace($this->home . '/' . $this->root, $this->home . '/' . $this->root . $slug, $url); | |
| 72 | 53 | } |
| 73 | 54 | return $url; |
| 74 | 55 | } |
| 75 | 56 | |
| 76 | - /** | |
| 77 | - * Returns the url without language code | |
| 57 | + /* | |
| 58 | + * returns the url without language code | |
| 78 | 59 | * links_model interface |
| 79 | 60 | * |
| 80 | 61 | * @since 1.2 |
| 81 | 62 | * |
| @@ -81,53 +62,38 @@ | ||
| 81 | 62 | * |
| 82 | 63 | * @param string $url url to modify |
| 83 | 64 | * @return string modified url |
| 84 | 65 | */ |
| 85 | - public function remove_language_from_link( $url ) { | |
| 86 | - $languages = array(); | |
| 87 | - | |
| 88 | - foreach ( $this->model->get_languages_list() as $language ) { | |
| 89 | - if ( ! $this->options['hide_default'] || $this->options['default_lang'] != $language->slug ) { | |
| 66 | + function remove_language_from_link($url) { | |
| 67 | + foreach ($this->model->get_languages_list() as $language) | |
| 68 | + if (!$this->options['hide_default'] || $this->options['default_lang'] != $language->slug) | |
| 90 | 69 | $languages[] = $language->slug; |
| 91 | - } | |
| 92 | - } | |
| 93 | 70 | |
| 94 | - if ( ! empty( $languages ) ) { | |
| 95 | - $root = ( false === strpos( $url, '://' ) ) ? $this->home_relative . $this->root : preg_replace( '#^https?://#', '://', $this->home . '/' . $this->root ); | |
| 96 | - | |
| 97 | - $pattern = preg_quote( $root, '#' ); | |
| 98 | - $pattern = '#' . $pattern . ( $this->options['rewrite'] ? '' : 'language/' ) . '(' . implode( '|', $languages ) . ')(/|$)#'; | |
| 99 | - $url = preg_replace( $pattern, $root, $url ); | |
| 71 | + if (!empty($languages)) { | |
| 72 | + $pattern = str_replace('/', '\/', $this->home . '/' . $this->root); | |
| 73 | + $pattern = '#' . $pattern . ($this->options['rewrite'] ? '' : 'language') . '('.implode('|', $languages).')(\/|$)#'; | |
| 74 | + $url = preg_replace($pattern, $this->home . '/' . $this->root, $url); | |
| 100 | 75 | } |
| 101 | 76 | return $url; |
| 102 | 77 | } |
| 103 | 78 | |
| 104 | - /** | |
| 105 | - * Returns the language based on language code in url | |
| 79 | + /* | |
| 80 | + * returns the language based on language code in url | |
| 106 | 81 | * links_model interface |
| 107 | 82 | * |
| 108 | 83 | * @since 1.2 |
| 109 | - * @since 2.0 add $url argument | |
| 110 | 84 | * |
| 111 | - * @param string $url optional, defaults to current url | |
| 112 | 85 | * @return string language slug |
| 113 | 86 | */ |
| 114 | - public function get_language_from_url( $url = '' ) { | |
| 115 | - if ( empty( $url ) ) { | |
| 116 | - $url = pll_get_requested_url(); | |
| 117 | - } | |
| 118 | - | |
| 119 | - $path = wp_parse_url( $url, PHP_URL_PATH ); | |
| 120 | - $root = ( false === strpos( $url, '://' ) ) ? $this->home_relative . $this->root : $this->home . '/' . $this->root; | |
| 121 | - | |
| 122 | - $pattern = wp_parse_url( $root . ( $this->options['rewrite'] ? '' : 'language/' ), PHP_URL_PATH ); | |
| 123 | - $pattern = preg_quote( $pattern, '#' ); | |
| 124 | - $pattern = '#^' . $pattern . '(' . implode( '|', $this->model->get_languages_list( array( 'fields' => 'slug' ) ) ) . ')(/|$)#'; | |
| 125 | - return preg_match( $pattern, trailingslashit( $path ), $matches ) ? $matches[1] : ''; // $matches[1] is the slug of the requested language | |
| 87 | + public function get_language_from_url() { | |
| 88 | + $requested_url = (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; | |
| 89 | + $pattern = str_replace('/', '\/', $this->home . '/' . $this->root . ($this->options['rewrite'] ? '' : 'language/')); | |
| 90 | + $pattern = '#' . $pattern . '('. implode('|', $this->model->get_languages_list(array('fields' => 'slug'))) . ')(\/|$)#'; | |
| 91 | + return preg_match($pattern, trailingslashit($requested_url), $matches) ? $matches[1] : ''; // $matches[1] is the slug of the requested language | |
| 126 | 92 | } |
| 127 | 93 | |
| 128 | - /** | |
| 129 | - * Returns the home url | |
| 94 | + /* | |
| 95 | + * returns the home url | |
| 130 | 96 | * links_model interface |
| 131 | 97 | * |
| 132 | 98 | * @since 1.3.1 |
| 133 | 99 | * |
| @@ -133,30 +99,25 @@ | ||
| 133 | 99 | * |
| 134 | 100 | * @param object $lang PLL_Language object |
| 135 | 101 | * @return string |
| 136 | 102 | */ |
| 137 | - public function home_url( $lang ) { | |
| 138 | - $base = $this->options['rewrite'] ? '' : 'language/'; | |
| 139 | - $slug = $this->options['default_lang'] == $lang->slug && $this->options['hide_default'] ? '' : '/' . $this->root . $base . $lang->slug; | |
| 140 | - return trailingslashit( $this->home . $slug ); | |
| 103 | + public function home_url($lang) { | |
| 104 | + return $this->options['hide_default'] && $lang->slug == $this->options['default_lang'] ? $this->home : get_term_link($lang, 'language'); | |
| 141 | 105 | } |
| 142 | 106 | |
| 143 | - /** | |
| 144 | - * Optionally removes 'language' in permalinks so that we get http://www.myblog/en/ instead of http://www.myblog/language/en/ | |
| 107 | + /* | |
| 108 | + * optionaly removes 'language' in permalinks so that we get http://www.myblog/en/ instead of http://www.myblog/language/en/ | |
| 145 | 109 | * |
| 146 | 110 | * @since 1.2 |
| 147 | 111 | */ |
| 148 | - public function add_permastruct() { | |
| 149 | - // Language information always in front of the uri ( 'with_front' => false ) | |
| 150 | - // The 3rd parameter structure has been modified in WP 3.4 | |
| 151 | - // Leads to error 404 for pages when there is no language created yet | |
| 152 | - if ( $this->model->get_languages_list() ) { | |
| 153 | - add_permastruct( 'language', $this->options['rewrite'] ? '%language%' : 'language/%language%', array( 'with_front' => false ) ); | |
| 154 | - } | |
| 112 | + function add_permastruct() { | |
| 113 | + // language information always in front of the uri ('with_front' => false) | |
| 114 | + // the 3rd parameter structure has been modified in WP 3.4 | |
| 115 | + add_permastruct('language', $this->options['rewrite'] ? '%language%' : 'language/%language%', array('with_front' => false)); | |
| 155 | 116 | } |
| 156 | 117 | |
| 157 | - /** | |
| 158 | - * Prepares rewrite rules filters | |
| 118 | + /* | |
| 119 | + * prepares rewrite rules filters | |
| 159 | 120 | * |
| 160 | 121 | * @since 0.8.1 |
| 161 | 122 | * |
| 162 | 123 | * @param array $pre not used |
| @@ -161,26 +122,30 @@ | ||
| 161 | 122 | * |
| 162 | 123 | * @param array $pre not used |
| 163 | 124 | * @return unmodified $pre |
| 164 | 125 | */ |
| 165 | - public function prepare_rewrite_rules( $pre ) { | |
| 166 | - // Don't modify the rules if there is no languages created yet | |
| 167 | - // Make sure to add filter only once and if all custom post types and taxonomies have been registered | |
| 168 | - if ( $this->model->get_languages_list() && did_action( 'wp_loaded' ) && ! has_filter( 'language_rewrite_rules', '__return_empty_array' ) ) { | |
| 169 | - // Suppress the rules created by WordPress for our taxonomy | |
| 170 | - add_filter( 'language_rewrite_rules', '__return_empty_array' ); | |
| 126 | + public function prepare_rewrite_rules($pre) { | |
| 127 | + //clean filters which could have been set in a previous call (may occur when changing Polylang settings) | |
| 128 | + foreach ($this->rewrite_rules as $type) | |
| 129 | + remove_filter($type . '_rewrite_rules', array(&$this, 'rewrite_rules')); | |
| 171 | 130 | |
| 172 | - foreach ( $this->get_rewrite_rules_filters() as $type ) { | |
| 173 | - add_filter( $type . '_rewrite_rules', array( $this, 'rewrite_rules' ) ); | |
| 174 | - } | |
| 131 | + // don't modify the rules if there is no languages created yet | |
| 132 | + if ($this->model->get_languages_list()) { | |
| 133 | + // make sure we have the right post types and taxonomies | |
| 134 | + $types = array_values(array_merge($this->model->get_translated_post_types(), $this->model->get_translated_taxonomies())); | |
| 135 | + $types = array_merge($this->always_rewrite, $types); | |
| 136 | + $this->rewrite_rules = apply_filters('pll_rewrite_rules', $types); // allow plugins to add rewrite rules to the language filter | |
| 175 | 137 | |
| 176 | - add_filter( 'rewrite_rules_array', array( $this, 'rewrite_rules' ) ); // needed for post type archives | |
| 138 | + foreach ($this->rewrite_rules as $type) | |
| 139 | + add_filter($type . '_rewrite_rules', array(&$this, 'rewrite_rules')); | |
| 140 | + | |
| 141 | + add_filter('rewrite_rules_array', array(&$this, 'rewrite_rules')); // needed for post type archives | |
| 177 | 142 | } |
| 178 | 143 | return $pre; |
| 179 | 144 | } |
| 180 | 145 | |
| 181 | - /** | |
| 182 | - * The rewrite rules ! | |
| 146 | + /* | |
| 147 | + * the rewrite rules ! | |
| 183 | 148 | * always make sure the default language is at the end in case the language information is hidden for default language |
| 184 | 149 | * thanks to brbrbr http://wordpress.org/support/topic/plugin-polylang-rewrite-rules-not-correct |
| 185 | 150 | * |
| 186 | 151 | * @since 0.8.1 |
| @@ -187,83 +152,66 @@ | ||
| 187 | 152 | * |
| 188 | 153 | * @param array $rules rewrite rules |
| 189 | 154 | * @return array modified rewrite rules |
| 190 | 155 | */ |
| 191 | - public function rewrite_rules( $rules ) { | |
| 192 | - $filter = str_replace( '_rewrite_rules', '', current_filter() ); | |
| 156 | + public function rewrite_rules($rules) { | |
| 157 | + $filter = str_replace('_rewrite_rules', '', current_filter()); | |
| 193 | 158 | |
| 159 | + // suppress the rules created by WordPress for our taxonomy | |
| 160 | + if ($filter == 'language') | |
| 161 | + return array(); | |
| 162 | + | |
| 194 | 163 | global $wp_rewrite; |
| 195 | 164 | $newrules = array(); |
| 196 | 165 | |
| 197 | - $languages = $this->model->get_languages_list( array( 'fields' => 'slug' ) ); | |
| 198 | - if ( $this->options['hide_default'] ) { | |
| 199 | - $languages = array_diff( $languages, array( $this->options['default_lang'] ) ); | |
| 200 | - } | |
| 166 | + $languages = $this->model->get_languages_list(array('fields' => 'slug')); | |
| 167 | + if ($this->options['hide_default']) | |
| 168 | + $languages = array_diff($languages, array($this->options['default_lang'])); | |
| 201 | 169 | |
| 202 | - if ( ! empty( $languages ) ) { | |
| 203 | - $slug = $wp_rewrite->root . ( $this->options['rewrite'] ? '' : 'language/' ) . '(' . implode( '|', $languages ) . ')/'; | |
| 204 | - } | |
| 170 | + if (!empty($languages)) | |
| 171 | + $slug = $wp_rewrite->root . ($this->options['rewrite'] ? '' : 'language/') . '('.implode('|', $languages).')/'; | |
| 205 | 172 | |
| 206 | - // For custom post type archives | |
| 207 | - $cpts = array_intersect( $this->model->get_translated_post_types(), get_post_types( array( '_builtin' => false ) ) ); | |
| 208 | - $cpts = $cpts ? '#post_type=(' . implode( '|', $cpts ) . ')#' : ''; | |
| 173 | + // for custom post type archives | |
| 174 | + $cpts = array_intersect($this->model->get_translated_post_types(), get_post_types(array('_builtin' => false))); | |
| 175 | + $cpts = $cpts ? '#post_type=('.implode('|', $cpts).')#' : ''; | |
| 209 | 176 | |
| 210 | - foreach ( $rules as $key => $rule ) { | |
| 211 | - // Special case for translated post types and taxonomies to allow canonical redirection | |
| 212 | - if ( $this->options['force_lang'] && in_array( $filter, array_merge( $this->model->get_translated_post_types(), $this->model->get_translated_taxonomies() ) ) ) { | |
| 177 | + foreach ($rules as $key => $rule) { | |
| 178 | + // we don't need the lang parameter for post types and taxonomies | |
| 179 | + // moreover adding it would create issues for pages and taxonomies | |
| 180 | + if ($this->options['force_lang'] && in_array($filter, array_merge($this->model->get_translated_post_types(), $this->model->get_translated_taxonomies()))) { | |
| 181 | + if (isset($slug)) | |
| 182 | + $newrules[$slug.str_replace($wp_rewrite->root, '', $key)] = str_replace( | |
| 183 | + array('[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '[1]'), | |
| 184 | + array('[9]', '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]'), | |
| 185 | + $rule | |
| 186 | + ); // hopefully it is sufficient! | |
| 213 | 187 | |
| 214 | - /** | |
| 215 | - * Filters the rewrite rules to modify | |
| 216 | - * | |
| 217 | - * @since 1.9.1 | |
| 218 | - * | |
| 219 | - * @param bool $modify whether to modify or not the rule, defaults to true | |
| 220 | - * @param array $rule original rewrite rule | |
| 221 | - * @param string $filter current set of rules being modified | |
| 222 | - * @param string|bool $archive custom post post type archive name or false if it is not a cpt archive | |
| 223 | - */ | |
| 224 | - if ( isset( $slug ) && apply_filters( 'pll_modify_rewrite_rule', true, array( $key => $rule ), $filter, false ) ) { | |
| 225 | - $newrules[ $slug . str_replace( $wp_rewrite->root, '', ltrim( $key, '^' ) ) ] = str_replace( | |
| 226 | - array( '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '[1]', '?' ), | |
| 227 | - array( '[9]', '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '?lang=$matches[1]&' ), | |
| 228 | - $rule | |
| 229 | - ); // Should be enough! | |
| 188 | + if ($this->options['hide_default']) { | |
| 189 | + $newrules[$key] = $rules[$key]; | |
| 190 | + // unset only if we hide the code for the default language as check_language_code_in_url will do its job in other cases | |
| 191 | + unset($rules[$key]); | |
| 230 | 192 | } |
| 231 | - | |
| 232 | - $newrules[ $key ] = $rule; | |
| 233 | 193 | } |
| 234 | 194 | |
| 235 | - // Rewrite rules filtered by language | |
| 236 | - elseif ( in_array( $filter, $this->always_rewrite ) || in_array( $filter, $this->model->get_filtered_taxonomies() ) || ( $cpts && preg_match( $cpts, $rule, $matches ) && ! strpos( $rule, 'name=' ) ) || ( 'rewrite_rules_array' != $filter && $this->options['force_lang'] ) ) { | |
| 195 | + // rewrite rules filtered by language | |
| 196 | + elseif (in_array($filter, $this->always_rewrite) || ($cpts && preg_match($cpts, $rule) && !strpos($rule, 'name=')) || ($filter != 'rewrite_rules_array' && $this->options['force_lang'])) { | |
| 197 | + if (isset($slug)) | |
| 198 | + $newrules[$slug.str_replace($wp_rewrite->root, '', $key)] = str_replace( | |
| 199 | + array('[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '[1]', '?'), | |
| 200 | + array('[9]', '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '?lang=$matches[1]&'), | |
| 201 | + $rule | |
| 202 | + ); // should be enough! | |
| 237 | 203 | |
| 238 | - /** This filter is documented in include/links-directory.php */ | |
| 239 | - if ( apply_filters( 'pll_modify_rewrite_rule', true, array( $key => $rule ), $filter, empty( $matches[1] ) ? false : $matches[1] ) ) { | |
| 240 | - if ( isset( $slug ) ) { | |
| 241 | - $newrules[ $slug . str_replace( $wp_rewrite->root, '', ltrim( $key, '^' ) ) ] = str_replace( | |
| 242 | - array( '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '[1]', '?' ), | |
| 243 | - array( '[9]', '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '?lang=$matches[1]&' ), | |
| 244 | - $rule | |
| 245 | - ); // Should be enough! | |
| 246 | - } | |
| 204 | + if ($this->options['hide_default']) | |
| 205 | + $newrules[$key] = str_replace('?', '?lang='.$this->options['default_lang'].'&', $rule); | |
| 247 | 206 | |
| 248 | - if ( $this->options['hide_default'] ) { | |
| 249 | - $newrules[ $key ] = str_replace( '?', '?lang=' . $this->options['default_lang'] . '&', $rule ); | |
| 250 | - } | |
| 251 | - } else { | |
| 252 | - $newrules[ $key ] = $rule; | |
| 253 | - } | |
| 207 | + unset($rules[$key]); // now useless | |
| 254 | 208 | } |
| 255 | - | |
| 256 | - // Unmodified rules | |
| 257 | - else { | |
| 258 | - $newrules[ $key ] = $rule; | |
| 259 | - } | |
| 260 | 209 | } |
| 261 | 210 | |
| 262 | - // The home rewrite rule | |
| 263 | - if ( 'root' == $filter && isset( $slug ) ) { | |
| 264 | - $newrules[ $slug . '?$' ] = $wp_rewrite->index . '?lang=$matches[1]'; | |
| 265 | - } | |
| 211 | + // the home rewrite rule | |
| 212 | + if ($filter == 'root' && isset($slug)) | |
| 213 | + $newrules[$slug.'?$'] = $wp_rewrite->index.'?lang=$matches[1]'; | |
| 266 | 214 | |
| 267 | - return $newrules; | |
| 215 | + return $newrules + $rules; | |
| 268 | 216 | } |
| 269 | 217 | } |
