permalink-manager-actions.php
4 years ago
permalink-manager-admin-functions.php
4 years ago
permalink-manager-core-functions.php
4 years ago
permalink-manager-debug.php
4 years ago
permalink-manager-gutenberg.php
4 years ago
permalink-manager-helper-functions.php
4 years ago
permalink-manager-language-plugins.php
4 years ago
permalink-manager-third-parties.php
4 years ago
permalink-manager-uri-functions-post.php
4 years ago
permalink-manager-uri-functions.php
4 years ago
permalink-manager-core-functions.php
882 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Core functions |
| 5 | */ |
| 6 | class Permalink_Manager_Core_Functions extends Permalink_Manager_Class { |
| 7 | |
| 8 | public function __construct() { |
| 9 | add_action( 'init', array($this, 'init_hooks'), 99); |
| 10 | } |
| 11 | |
| 12 | function init_hooks() { |
| 13 | global $permalink_manager_options; |
| 14 | |
| 15 | // Trailing slashes |
| 16 | add_filter( 'permalink_manager_filter_final_term_permalink', array($this, 'control_trailing_slashes'), 9); |
| 17 | add_filter( 'permalink_manager_filter_final_post_permalink', array($this, 'control_trailing_slashes'), 9); |
| 18 | add_filter( 'permalink_manager_filter_post_sample_uri', array($this, 'control_trailing_slashes'), 9); |
| 19 | add_filter( 'wpseo_canonical', array($this, 'control_trailing_slashes'), 9); |
| 20 | add_filter( 'wpseo_opengraph_url', array($this, 'control_trailing_slashes'), 9); |
| 21 | add_filter( 'paginate_links', array($this, 'control_trailing_slashes'), 9); |
| 22 | |
| 23 | /** |
| 24 | * Detect & canonical URL/redirect functions |
| 25 | */ |
| 26 | // Do not trigger in back-end |
| 27 | if(is_admin()) { return false; } |
| 28 | |
| 29 | // Do not trigger if Customizer is loaded |
| 30 | if(function_exists('is_customize_preview') && is_customize_preview()) { return false; } |
| 31 | |
| 32 | // Use the URIs set in this plugin |
| 33 | add_filter( 'request', array($this, 'detect_post'), 0, 1 ); |
| 34 | |
| 35 | // Redirect from old URIs to new URIs + adjust canonical redirect settings |
| 36 | add_action( 'template_redirect', array($this, 'new_uri_redirect_and_404'), 1); |
| 37 | add_action( 'wp', array($this, 'adjust_canonical_redirect'), 0, 1); |
| 38 | |
| 39 | // Case insensitive permalinks |
| 40 | if(!empty($permalink_manager_options['general']['case_insensitive_permalinks'])) { |
| 41 | add_action( 'parse_request', array($this, 'case_insensitive_permalinks'), 0); |
| 42 | } |
| 43 | // Force 404 on non-existing pagination pages |
| 44 | if(!empty($permalink_manager_options['general']['pagination_redirect'])) { |
| 45 | add_action( 'wp', array($this, 'fix_pagination_pages'), 0); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * The most important Permalink Manager function |
| 51 | */ |
| 52 | public static function detect_post($query, $request_url = false, $return_object = false) { |
| 53 | global $wpdb, $wp, $wp_rewrite, $permalink_manager, $permalink_manager_uris, $wp_filter, $permalink_manager_options, $pm_query; |
| 54 | |
| 55 | // Check if the array with custom URIs is set |
| 56 | if(!(is_array($permalink_manager_uris))) return $query; |
| 57 | |
| 58 | // Used in debug mode & endpoints |
| 59 | $old_query = $query; |
| 60 | |
| 61 | /** |
| 62 | * 1. Prepare URL and check if it is correct (make sure that both requested URL & home_url share the same protoocl and get rid of www prefix) |
| 63 | */ |
| 64 | $request_url = (!empty($request_url)) ? parse_url($request_url, PHP_URL_PATH) : $_SERVER['REQUEST_URI']; |
| 65 | $request_url = strtok($request_url, "?"); |
| 66 | |
| 67 | // Make sure that either $_SERVER['SERVER_NAME'] or $_SERVER['HTTP_HOST'] are set |
| 68 | if(empty($_SERVER['HTTP_HOST']) && empty($_SERVER['SERVER_NAME'])) { return $query; } |
| 69 | |
| 70 | $http_host = (!empty($_SERVER['HTTP_HOST'])) ? $_SERVER['HTTP_HOST'] : preg_replace('/www\./i', '', $_SERVER['SERVER_NAME']); |
| 71 | $request_url = sprintf("http://%s%s", str_replace("www.", "", $http_host), $request_url); |
| 72 | $raw_home_url = trim(get_option('home')); |
| 73 | $home_url = preg_replace("/http(s)?:\/\/(www\.)?(.+?)\/?$/", "http://$3", $raw_home_url); |
| 74 | |
| 75 | if(filter_var($request_url, FILTER_VALIDATE_URL)) { |
| 76 | // Check if "Deep Detect" is enabled |
| 77 | $deep_detect_enabled = apply_filters('permalink_manager_deep_uri_detect', $permalink_manager_options['general']['deep_detect']); |
| 78 | |
| 79 | // Sanitize the URL |
| 80 | // $request_url = filter_var($request_url, FILTER_SANITIZE_URL); |
| 81 | |
| 82 | // Keep only the URI |
| 83 | $request_url = str_replace($home_url, "", $request_url); |
| 84 | |
| 85 | // Hotfix for language plugins |
| 86 | if(filter_var($request_url, FILTER_VALIDATE_URL)) { |
| 87 | $request_url = parse_url($request_url, PHP_URL_PATH); |
| 88 | } |
| 89 | |
| 90 | $request_url = trim($request_url, "/"); |
| 91 | |
| 92 | // Get all the endpoints & pattern |
| 93 | $endpoints = Permalink_Manager_Helper_Functions::get_endpoints(); |
| 94 | $pattern = "/^(.+?)(?|\/({$endpoints})(?|\/(.*)|$)|\/()([\d]+)\/?)?$/i"; |
| 95 | |
| 96 | // Use default REGEX to detect post |
| 97 | preg_match($pattern, $request_url, $regex_parts); |
| 98 | $uri_parts['lang'] = false; |
| 99 | $uri_parts['uri'] = (!empty($regex_parts[1])) ? $regex_parts[1] : ""; |
| 100 | $uri_parts['endpoint'] = (!empty($regex_parts[2])) ? $regex_parts[2] : ""; |
| 101 | $uri_parts['endpoint_value'] = (!empty($regex_parts[3])) ? $regex_parts[3] : ""; |
| 102 | |
| 103 | // Allow to filter the results by third-parties + store the URI parts with $pm_query global |
| 104 | $uri_parts = apply_filters('permalink_manager_detect_uri', $uri_parts, $request_url, $endpoints); |
| 105 | |
| 106 | // Support comment pages |
| 107 | preg_match("/(.*)\/{$wp_rewrite->comments_pagination_base}-([\d]+)/", $uri_parts['uri'], $regex_parts); |
| 108 | if(!empty($regex_parts[2])) { |
| 109 | $uri_parts['uri'] = $regex_parts[1]; |
| 110 | $uri_parts['endpoint'] = 'cpage'; |
| 111 | $uri_parts['endpoint_value'] = $regex_parts[2]; |
| 112 | } |
| 113 | |
| 114 | // Support pagination endpoint |
| 115 | if($uri_parts['endpoint'] == $wp_rewrite->pagination_base) { |
| 116 | $uri_parts['endpoint'] = 'page'; |
| 117 | } |
| 118 | |
| 119 | // Stop the function if $uri_parts is empty |
| 120 | if(empty($uri_parts)) return $query; |
| 121 | |
| 122 | // Store the URI parts in a separate global variable |
| 123 | $pm_query = $uri_parts; |
| 124 | |
| 125 | // Get the URI parts from REGEX parts |
| 126 | $lang = $uri_parts['lang']; |
| 127 | $uri = $uri_parts['uri']; |
| 128 | $endpoint = $uri_parts['endpoint']; |
| 129 | $endpoint_value = $uri_parts['endpoint_value']; |
| 130 | |
| 131 | // Trim slashes |
| 132 | $uri = trim($uri, "/"); |
| 133 | |
| 134 | // Ignore URLs with no URI grabbed |
| 135 | if(empty($uri)) return $query; |
| 136 | |
| 137 | // Store an array with custom permalinks in a separate variable |
| 138 | $all_uris = $permalink_manager_uris; |
| 139 | |
| 140 | // Check what content type should be loaded in case of duplicate ("posts" or "terms") |
| 141 | $duplicates_priority = apply_filters('permalink_manager_duplicates_priority', false); |
| 142 | if($duplicates_priority !== false) { |
| 143 | $uri_count = array_count_values($all_uris); |
| 144 | |
| 145 | foreach($uri_count as $duplicated_uri => $count) { |
| 146 | if($count <= 1) { continue; } |
| 147 | |
| 148 | $duplicates_ids = array_keys($all_uris, $duplicated_uri); |
| 149 | |
| 150 | foreach($duplicates_ids as $id) { |
| 151 | if($duplicates_priority == 'posts' && !is_numeric($id)) { |
| 152 | unset($all_uris[$id]); |
| 153 | } else if($duplicates_priority !== 'posts' && is_numeric($id)) { |
| 154 | unset($all_uris[$id]); |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | // Exclude draft posts |
| 161 | $exclude_drafts = (isset($permalink_manager_options['general']['ignore_drafts'])) ? $permalink_manager_options['general']['ignore_drafts'] : false; |
| 162 | $exclude_drafts = apply_filters('permalink_manager_exclude_drafts', $exclude_drafts); |
| 163 | |
| 164 | if($exclude_drafts) { |
| 165 | $post_ids = $wpdb->get_col("SELECT DISTINCT ID FROM {$wpdb->posts} AS p WHERE p.post_status = 'draft' ORDER BY ID DESC"); |
| 166 | if(!empty($post_ids)) { |
| 167 | foreach($post_ids as $post_id) { |
| 168 | unset($permalink_manager_uris[$post_id]); |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | // Flip array for better performance |
| 174 | $all_uris = array_flip($all_uris); |
| 175 | |
| 176 | // Attempt 1. |
| 177 | // Find the element ID |
| 178 | $element_id = isset($all_uris[$uri]) ? $all_uris[$uri] : false; |
| 179 | |
| 180 | // Atempt 2. |
| 181 | // Decode both request URI & URIs array & make them lowercase (and save in a separate variable) |
| 182 | if(empty($element_id)) { |
| 183 | $uri = strtolower(urldecode($uri)); |
| 184 | |
| 185 | foreach($all_uris as $raw_uri => $uri_id) { |
| 186 | $raw_uri = urldecode($raw_uri); |
| 187 | $all_uris[$raw_uri] = $uri_id; |
| 188 | } |
| 189 | |
| 190 | // Convert array keys lowercase |
| 191 | $all_uris = array_change_key_case($all_uris, CASE_LOWER); |
| 192 | |
| 193 | $element_id = isset($all_uris[$uri]) ? $all_uris[$uri] : $element_id; |
| 194 | } |
| 195 | |
| 196 | // Atempt 3. |
| 197 | // Check again in case someone used post/tax IDs instead of slugs |
| 198 | if($deep_detect_enabled && is_numeric($endpoint_value) && isset($all_uris["{$uri}/{$endpoint_value}"])) { |
| 199 | $element_id = $all_uris["{$uri}/{$endpoint_value}"]; |
| 200 | $endpoint_value = $endpoint = ""; |
| 201 | } |
| 202 | |
| 203 | // Atempt 4. |
| 204 | // Check again for attachment custom URIs |
| 205 | if(empty($element_id) && isset($old_query['attachment'])) { |
| 206 | $element_id = isset($all_uris["{$uri}/{$endpoint}/{$endpoint_value}"]) ? $all_uris["{$uri}/{$endpoint}/{$endpoint_value}"] : $element_id; |
| 207 | |
| 208 | if($element_id) { |
| 209 | $endpoint_value = $endpoint = ""; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | // Allow to filter the item_id by third-parties after initial detection |
| 214 | $element_id = apply_filters('permalink_manager_detected_element_id', $element_id, $uri_parts, $request_url); |
| 215 | |
| 216 | // Clear the original query before it is filtered |
| 217 | $query = ($element_id) ? array() : $query; |
| 218 | |
| 219 | /** |
| 220 | * 3A. Custom URI assigned to taxonomy |
| 221 | */ |
| 222 | if(strpos($element_id, 'tax-') !== false) { |
| 223 | // Remove the "tax-" prefix |
| 224 | $term_id = intval(preg_replace("/[^0-9]/", "", $element_id)); |
| 225 | |
| 226 | // Filter detected post ID |
| 227 | $term_id = apply_filters('permalink_manager_detected_term_id', intval($term_id), $uri_parts, true); |
| 228 | |
| 229 | // Get the variables to filter wp_query and double-check if taxonomy exists |
| 230 | $term = get_term($term_id); |
| 231 | $term_taxonomy = (!empty($term->taxonomy)) ? $term->taxonomy : false; |
| 232 | |
| 233 | // Check if term is allowed |
| 234 | $disabled = ($term_taxonomy && Permalink_Manager_Helper_Functions::is_term_excluded($term)) ? true : false; |
| 235 | |
| 236 | // Proceed only if the term is not removed and its taxonomy is not disabled |
| 237 | if(!$disabled && $term_taxonomy) { |
| 238 | // Get some term data |
| 239 | if($term_taxonomy == 'category') { |
| 240 | $query_parameter = 'category_name'; |
| 241 | } else if($term_taxonomy == 'post_tag') { |
| 242 | $query_parameter = 'tag'; |
| 243 | } else { |
| 244 | $query["taxonomy"] = $term_taxonomy; |
| 245 | $query_parameter = $term_taxonomy; |
| 246 | } |
| 247 | $term_ancestors = get_ancestors($term_id, $term_taxonomy); |
| 248 | $final_uri = $term->slug; |
| 249 | |
| 250 | // Fix for hierarchical terms |
| 251 | if(!empty($term_ancestors)) { |
| 252 | foreach ($term_ancestors as $parent_id) { |
| 253 | $parent = get_term((int) $parent_id, $term_taxonomy); |
| 254 | if(!empty($parent->slug)) { |
| 255 | $final_uri = $parent->slug . '/' . $final_uri; |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | //$query["term"] = $final_uri; |
| 261 | $query["term"] = $term->slug; |
| 262 | //$query[$query_parameter] = $final_uri; |
| 263 | $query[$query_parameter] = $term->slug; |
| 264 | } else if($disabled) { |
| 265 | $broken_uri = true; |
| 266 | $query = $old_query; |
| 267 | } else { |
| 268 | $query = $old_query; |
| 269 | } |
| 270 | } |
| 271 | /** |
| 272 | * 3B. Custom URI assigned to post/page/cpt item |
| 273 | */ |
| 274 | else if(isset($element_id) && is_numeric($element_id)) { |
| 275 | // Fix for revisions |
| 276 | $is_revision = wp_is_post_revision($element_id); |
| 277 | if($is_revision) { |
| 278 | $revision_id = $element_id; |
| 279 | $element_id = $is_revision; |
| 280 | } |
| 281 | |
| 282 | // Filter detected post ID |
| 283 | $element_id = apply_filters('permalink_manager_detected_post_id', $element_id, $uri_parts); |
| 284 | |
| 285 | $post_to_load = get_post($element_id); |
| 286 | $final_uri = (!empty($post_to_load->post_name)) ? $post_to_load->post_name : false; |
| 287 | $post_type = (!empty($post_to_load->post_type)) ? $post_to_load->post_type : false; |
| 288 | |
| 289 | // Check if post is allowed |
| 290 | $disabled = ($post_type && Permalink_Manager_Helper_Functions::is_post_excluded($post_to_load)) ? true : false; |
| 291 | |
| 292 | // Proceed only if the term is not removed and its taxonomy is not disabled |
| 293 | if(!$disabled && $post_type) { |
| 294 | $post_type_object = get_post_type_object($post_type); |
| 295 | |
| 296 | // Fix for hierarchical CPT & pages |
| 297 | if(!(empty($post_to_load->ancestors)) && !empty($post_type_object->hierarchical)) { |
| 298 | foreach ($post_to_load->ancestors as $parent) { |
| 299 | $parent = get_post($parent); |
| 300 | if($parent && $parent->post_name) { |
| 301 | $final_uri = $parent->post_name . '/' . $final_uri; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | // Alter the final query array |
| 307 | if($post_to_load->post_status == 'private' && (!is_user_logged_in() || current_user_can('read_private_posts', $element_id) !== true)) { |
| 308 | $element_id = null; |
| 309 | $query = $old_query; |
| 310 | } else if($post_to_load->post_status == 'draft' || empty($final_uri)) { |
| 311 | if(is_user_logged_in()) { |
| 312 | if($post_type == 'page') { |
| 313 | $query['page_id'] = $element_id; |
| 314 | } else { |
| 315 | $query['p'] = $element_id; |
| 316 | } |
| 317 | |
| 318 | $query['preview'] = true; |
| 319 | $query['post_type'] = $post_type; |
| 320 | } else if($post_to_load->post_status == 'draft') { |
| 321 | $query['pagename'] = '-'; |
| 322 | $query['error'] = '404'; |
| 323 | |
| 324 | $element_id = 0; |
| 325 | } else { |
| 326 | $query = $old_query; |
| 327 | } |
| 328 | } else if($post_type == 'page') { |
| 329 | $query['pagename'] = $final_uri; |
| 330 | // $query['post_type'] = $post_type; |
| 331 | } else if($post_type == 'post') { |
| 332 | $query['name'] = $final_uri; |
| 333 | } else if($post_type == 'attachment') { |
| 334 | $query['attachment'] = $final_uri; |
| 335 | } else { |
| 336 | // Get the query var |
| 337 | $query_var = (!empty($post_type_object->query_var)) ? $post_type_object->query_var : $post_type; |
| 338 | |
| 339 | $query['name'] = $final_uri; |
| 340 | $query['post_type'] = $post_type; |
| 341 | $query[$query_var] = $final_uri; |
| 342 | } |
| 343 | } else if($disabled) { |
| 344 | $broken_uri = true; |
| 345 | $query = $old_query; |
| 346 | } else { |
| 347 | $query = $old_query; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * 4. Auto-remove removed term custom URI & redirects (works if enabled in plugin settings) |
| 353 | */ |
| 354 | if(!empty($broken_uri) && (!empty($permalink_manager_options['general']['auto_fix_duplicates'])) && $permalink_manager_options['general']['auto_fix_duplicates'] == 1) { |
| 355 | // Do not trigger if WP Rocket cache plugin is turned on |
| 356 | if(!defined('WP_ROCKET_VERSION') && is_array($permalink_manager_uris)) { |
| 357 | $broken_element_id = (!empty($revision_id)) ? $revision_id : $element_id; |
| 358 | $remove_broken_uri = (!empty($broken_element_id)) ? Permalink_Manager_Actions::force_clear_single_element_uris_and_redirects($broken_element_id) : ''; |
| 359 | |
| 360 | // Reload page if success |
| 361 | if($remove_broken_uri && !headers_sent()) { |
| 362 | header("Refresh:0"); |
| 363 | exit(); |
| 364 | } |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | /** |
| 369 | * 5A. Endpoints |
| 370 | */ |
| 371 | if(!empty($element_id) && empty($disabled) && (!empty($endpoint) || !empty($endpoint_value))) { |
| 372 | if(is_array($endpoint)) { |
| 373 | foreach($endpoint as $endpoint_name => $endpoint_value) { |
| 374 | $query[$endpoint_name] = $endpoint_value; |
| 375 | } |
| 376 | } else if($endpoint == 'feed') { |
| 377 | $query[$endpoint] = 'feed'; |
| 378 | } else if($endpoint == 'embed') { |
| 379 | $query[$endpoint] = true; |
| 380 | } else if($endpoint == 'page') { |
| 381 | $endpoint = 'paged'; |
| 382 | if(is_numeric($endpoint_value)) { |
| 383 | $query[$endpoint] = $endpoint_value; |
| 384 | } else { |
| 385 | $query = $old_query; |
| 386 | } |
| 387 | } else if($endpoint == 'trackback') { |
| 388 | $endpoint = 'tb'; |
| 389 | $query[$endpoint] = 1; |
| 390 | } else if(empty($endpoint) && is_numeric($endpoint_value)) { |
| 391 | $query['page'] = $endpoint_value; |
| 392 | } else { |
| 393 | $query[$endpoint] = $endpoint_value; |
| 394 | } |
| 395 | |
| 396 | // Fix for attachments |
| 397 | if(!empty($query['attachment'])) { |
| 398 | $query = array('attachment' => $query['attachment'], 'do_not_redirect' => 1); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * 5B. Endpoints - check if any endpoint is set with $_GET parameter |
| 404 | */ |
| 405 | if(!empty($element_id) && $deep_detect_enabled && !empty($_GET)) { |
| 406 | $get_endpoints = array_intersect($wp->public_query_vars, array_keys($_GET)); |
| 407 | |
| 408 | if(!empty($get_endpoints)) { |
| 409 | // Append query vars from $_GET parameters |
| 410 | foreach($get_endpoints as $endpoint) { |
| 411 | // Numeric endpoints |
| 412 | $endpoint_value = (in_array($endpoint, array('page', 'paged', 'attachment_id'))) ? filter_var($_GET[$endpoint], FILTER_SANITIZE_NUMBER_INT) : $_GET[$endpoint]; |
| 413 | |
| 414 | // Ignore page endpoint if its value is 1 |
| 415 | if(in_array($endpoint, array('page', 'paged')) && $endpoint_value == 1) { continue; } |
| 416 | |
| 417 | // Replace whitespaces with '+' and sanitize the value |
| 418 | $endpoint_value = preg_replace('/\s+/', '+', $endpoint_value); |
| 419 | $query[$endpoint] = sanitize_text_field($endpoint_value); |
| 420 | } |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * 6. Set global with detected item id |
| 426 | */ |
| 427 | if(!empty($element_id) && empty($disabled)) { |
| 428 | $pm_query['id'] = $element_id; |
| 429 | |
| 430 | // Make the redirects more clever - see new_uri_redirect_and_404() method |
| 431 | $query['do_not_redirect'] = 1; |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | /** |
| 436 | * 7. Debug data |
| 437 | */ |
| 438 | if(!empty($term_taxonomy)) { |
| 439 | $content_type = "Taxonomy: {$term_taxonomy}"; |
| 440 | } else if(!empty($post_type)) { |
| 441 | $content_type = "Post type: {$post_type}"; |
| 442 | } else { |
| 443 | $content_type = ''; |
| 444 | } |
| 445 | $uri_parts = (!empty($uri_parts)) ? $uri_parts : ''; |
| 446 | $query = apply_filters('permalink_manager_filter_query', $query, $old_query, $uri_parts, $pm_query, $content_type); |
| 447 | |
| 448 | if($return_object && !empty($term)) { |
| 449 | return $term; |
| 450 | } else if($return_object && !empty($post_to_load)) { |
| 451 | return $post_to_load; |
| 452 | } else { |
| 453 | return $query; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Trailing slash & remove BOM and double slashes |
| 459 | */ |
| 460 | static function control_trailing_slashes($permalink) { |
| 461 | global $permalink_manager_options; |
| 462 | |
| 463 | // Ignore empty permalinks |
| 464 | if(empty($permalink)) { return $permalink; } |
| 465 | |
| 466 | // Keep the original permalink in a separate variable |
| 467 | $original_permalink = $permalink; |
| 468 | |
| 469 | $trailing_slash_setting = (!empty($permalink_manager_options['general']['trailing_slashes'])) ? $permalink_manager_options['general']['trailing_slashes'] : ""; |
| 470 | |
| 471 | // Remove trailing slashes from URLs that end with file extension (eg. .html) |
| 472 | if(preg_match('/(http(?:s)?:\/\/(?:[^\/]+)\/.*\.([a-zA-Z]{3,4}))\/?$/', $permalink)) { |
| 473 | $permalink = preg_replace('/^(?!http(?:s):\/\/[^\/]+\/$)(.+?)([\/]*)(\[\?\#][^\/]+|$)/', '$1$3', $permalink); // Instead of untrailingslashit() |
| 474 | } else { |
| 475 | // Add trailing slashes |
| 476 | if(in_array($trailing_slash_setting, array(1, 10))) { |
| 477 | $permalink = preg_replace('/(.+?)([\/]*)(\[\?\#][^\/]+|$)/', '$1/$3', $permalink); // Instead of trailingslashit() |
| 478 | } |
| 479 | // Remove trailing slashes |
| 480 | else if(in_array($trailing_slash_setting, array(2, 20))) { |
| 481 | $permalink = preg_replace('/(.+?)([\/]*)(\[\?\#][^\/]+|$)/', '$1$3', $permalink); // Instead of untrailingslashit() |
| 482 | } |
| 483 | // Default settings |
| 484 | else { |
| 485 | $permalink = user_trailingslashit($permalink); |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | // Remove double slashes |
| 490 | $permalink = preg_replace('/([^:])(\/{2,})/', '$1/', $permalink); |
| 491 | |
| 492 | // Remove trailing slashes from URLs that end with query string or anchors |
| 493 | $permalink = preg_replace('/([\?\#]{1}[^\/]+)([\/]+)$/', '$1', $permalink); |
| 494 | |
| 495 | return apply_filters('permalink_manager_control_trailing_slashes', $permalink, $original_permalink); |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * Display 404 if requested page does not exist in pagination |
| 500 | */ |
| 501 | function fix_pagination_pages() { |
| 502 | global $wp_query, $pm_query; |
| 503 | |
| 504 | // 1. Get the queried object |
| 505 | $post = get_queried_object(); |
| 506 | |
| 507 | // 2. Check if post object is defined |
| 508 | if((!empty($post->post_type) && !empty($post->post_content)) || (!empty($wp_query->max_num_pages))) { |
| 509 | // 2A. Check if pagination is detected |
| 510 | $current_page = (!empty($wp_query->query_vars['page'])) ? $wp_query->query_vars['page'] : 1; |
| 511 | $current_page = (empty($wp_query->query_vars['page']) && !empty($wp_query->query_vars['paged'])) ? $wp_query->query_vars['paged'] : $current_page; |
| 512 | |
| 513 | // 2B. Count post pages |
| 514 | $post_content = (!empty($post->post_content)) ? $post->post_content : ''; |
| 515 | $num_pages = (is_home() || is_archive() || is_search()) ? $wp_query->max_num_pages : substr_count(strtolower($post_content), '<!--nextpage-->') + 1; |
| 516 | |
| 517 | $is_404 = ($current_page > 1 && ($current_page > $num_pages)) ? true : false; |
| 518 | } |
| 519 | // 3. Force 404 if no posts are loaded |
| 520 | else if(!empty($wp_query->query['paged']) && $wp_query->post_count == 0) { |
| 521 | $is_404 = true; |
| 522 | } |
| 523 | // 4. Force 404 if endpoint value is not set |
| 524 | else if(!empty($pm_query['endpoint']) && $pm_query['endpoint'] == 'page' && empty($pm_query['endpoint_value'])) { |
| 525 | $is_404 = true; |
| 526 | } |
| 527 | |
| 528 | // 5. Block non-existent pages (Force 404 error) |
| 529 | if(!empty($is_404)) { |
| 530 | $wp_query->query = $wp_query->queried_object = $wp_query->queried_object_id = null; |
| 531 | $wp_query->set_404(); |
| 532 | status_header(404); |
| 533 | nocache_headers(); |
| 534 | $pm_query = ''; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | /** |
| 539 | * Redirects |
| 540 | */ |
| 541 | function new_uri_redirect_and_404() { |
| 542 | global $wp_query, $wp, $wp_rewrite, $wpdb, $permalink_manager_uris, $permalink_manager_redirects, $permalink_manager_external_redirects, $permalink_manager_options, $pm_query; |
| 543 | |
| 544 | // Get the redirection mode & trailing slashes settings |
| 545 | $redirect_mode = (!empty($permalink_manager_options['general']['redirect'])) ? $permalink_manager_options['general']['redirect'] : false; |
| 546 | $trailing_slashes_mode = (!empty($permalink_manager_options['general']['trailing_slashes'])) ? $permalink_manager_options['general']['trailing_slashes'] : false; |
| 547 | $trailing_slashes_redirect = (!empty($permalink_manager_options['general']['trailing_slashes_redirect'])) ? $permalink_manager_options['general']['trailing_slashes_redirect'] : false; |
| 548 | $extra_redirects = (!empty($permalink_manager_options['general']['extra_redirects'])) ? $permalink_manager_options['general']['extra_redirects'] : false; |
| 549 | $canonical_redirect = (!empty($permalink_manager_options['general']['canonical_redirect'])) ? $permalink_manager_options['general']['canonical_redirect'] : false; |
| 550 | $old_slug_redirect = (!empty($permalink_manager_options['general']['old_slug_redirect'])) ? $permalink_manager_options['general']['old_slug_redirect'] : false; |
| 551 | $endpoint_redirect = (!empty($permalink_manager_options['general']['endpoint_redirect'])) ? $permalink_manager_options['general']['endpoint_redirect'] : false; |
| 552 | $pagination_redirect = (!empty($permalink_manager_options['general']['pagination_redirect'])) ? $permalink_manager_options['general']['pagination_redirect'] : false; |
| 553 | $copy_query_redirect = (!empty($permalink_manager_options['general']['copy_query_redirect'])) ? $permalink_manager_options['general']['copy_query_redirect'] : false; |
| 554 | $redirect_type = '-'; |
| 555 | |
| 556 | // Get home URL |
| 557 | $home_url = rtrim(get_option('home'), "/"); |
| 558 | $home_dir = parse_url($home_url, PHP_URL_PATH); |
| 559 | |
| 560 | // Set up $correct_permalink variable |
| 561 | $correct_permalink = ''; |
| 562 | |
| 563 | // Get query string & URI |
| 564 | if(empty($_SERVER['REQUEST_URI'])) { return; } |
| 565 | |
| 566 | $query_string = ($copy_query_redirect && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : ''; |
| 567 | $old_uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH); |
| 568 | |
| 569 | // Fix for WP installed in directories (remove the directory name from the URI) |
| 570 | if(!empty($home_dir)) { |
| 571 | $home_dir_regex = preg_quote(trim($home_dir), "/"); |
| 572 | $old_uri = preg_replace("/{$home_dir_regex}/", "", $old_uri, 1); |
| 573 | } |
| 574 | |
| 575 | // Do not use custom redirects on author pages, search & front page |
| 576 | if(!is_author() && !is_front_page() && !is_home() && !is_feed() && !is_search() && empty($_GET['s'])) { |
| 577 | // Sometimes $wp_query indicates the wrong object if requested directly |
| 578 | $queried_object = get_queried_object(); |
| 579 | |
| 580 | // Unset 404 if custom URI is detected |
| 581 | if(isset($pm_query['id']) && (empty($queried_object->post_status) || $queried_object->post_status !== 'private')) { |
| 582 | $wp_query->is_404 = false; |
| 583 | } |
| 584 | |
| 585 | /** |
| 586 | * 1A. External redirect |
| 587 | */ |
| 588 | if(!empty($pm_query['id']) && !empty($permalink_manager_external_redirects[$pm_query['id']])) { |
| 589 | $external_url = $permalink_manager_external_redirects[$pm_query['id']]; |
| 590 | |
| 591 | if(filter_var($external_url, FILTER_VALIDATE_URL)) { |
| 592 | // Allow redirect |
| 593 | $wp_query->query_vars['do_not_redirect'] = 0; |
| 594 | |
| 595 | wp_redirect($external_url, 301, PERMALINK_MANAGER_PLUGIN_NAME); |
| 596 | exit(); |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * 1B. Custom redirects |
| 602 | */ |
| 603 | if(empty($wp_query->query_vars['do_not_redirect']) && $extra_redirects && !empty($permalink_manager_redirects) && is_array($permalink_manager_redirects) && !empty($wp->request) && !empty($pm_query['uri'])) { |
| 604 | $uri = $pm_query['uri']; |
| 605 | $endpoint_value = $pm_query['endpoint_value']; |
| 606 | |
| 607 | // Make sure that URIs with non-ASCII characters are also detected + Check the URLs that end with number |
| 608 | $decoded_url = urldecode($uri); |
| 609 | $endpoint_url = "{$uri}/{$endpoint_value}"; |
| 610 | |
| 611 | // Convert to lowercase to make case insensitive |
| 612 | $force_lowercase = apply_filters('permalink_manager_force_lowercase_uris', true); |
| 613 | |
| 614 | if($force_lowercase) { |
| 615 | $uri = strtolower($uri); |
| 616 | $decoded_url = strtolower($decoded_url); |
| 617 | $endpoint_url = strtolower($endpoint_url); |
| 618 | } |
| 619 | |
| 620 | // Check if the URI is not assigned to any post/term's redirects |
| 621 | foreach($permalink_manager_redirects as $element => $redirects) { |
| 622 | if(!is_array($redirects)) { continue; } |
| 623 | |
| 624 | if(in_array($uri, $redirects) || in_array($decoded_url, $redirects) || (is_numeric($endpoint_value) && in_array($endpoint_url, $redirects))) { |
| 625 | // Post is detected |
| 626 | if(is_numeric($element)) { |
| 627 | $correct_permalink = get_permalink($element); |
| 628 | } |
| 629 | // Term is detected |
| 630 | else { |
| 631 | $term_id = intval(preg_replace("/[^0-9]/", "", $element)); |
| 632 | $correct_permalink = get_term_link($term_id); |
| 633 | } |
| 634 | |
| 635 | // The custom redirect is found so there is no need to query the rest of array |
| 636 | continue; |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | $redirect_type = (!empty($correct_permalink)) ? 'custom_redirect' : $redirect_type; |
| 641 | } |
| 642 | |
| 643 | // Ignore WP-Content links |
| 644 | if(!empty($_SERVER['REQUEST_URI']) && (strpos($_SERVER['REQUEST_URI'], '/wp-content') !== false)) { return false; } |
| 645 | |
| 646 | /** |
| 647 | * 1C. Pagination redirect |
| 648 | */ |
| 649 | if($pagination_redirect && ((isset($wp_query->query_vars['paged']) && $wp_query->query_vars['paged'] == 1) || (isset($wp_query->query_vars['page']) && $wp_query->query_vars['page'] == 1 && !empty($pm_query['endpoint_value'])))) { |
| 650 | $pm_query['endpoint'] = $pm_query['endpoint_value'] = ''; |
| 651 | $wp_query->query_vars['do_not_redirect'] = 0; |
| 652 | } |
| 653 | |
| 654 | /** |
| 655 | * 1D. Enhance native redirect |
| 656 | */ |
| 657 | if($canonical_redirect && empty($wp_query->query_vars['do_not_redirect']) && !empty($queried_object) && empty($correct_permalink)) { |
| 658 | // Affect only posts with custom URI and old URIs |
| 659 | if(!empty($queried_object->ID) && isset($permalink_manager_uris[$queried_object->ID]) && empty($wp_query->query['preview'])) { |
| 660 | // Ignore posts with specific statuses |
| 661 | if(!(empty($queried_object->post_status)) && in_array($queried_object->post_status, array('draft', 'pending', 'auto-draft', 'future'))) { |
| 662 | return; |
| 663 | } |
| 664 | |
| 665 | // Check if the post is excluded |
| 666 | if(Permalink_Manager_Helper_Functions::is_post_excluded($queried_object)) { return; } |
| 667 | |
| 668 | // Get the real URL |
| 669 | $correct_permalink = get_permalink($queried_object->ID); |
| 670 | } |
| 671 | // Affect only terms with custom URI and old URIs |
| 672 | else if(!empty($queried_object->term_id) && isset($permalink_manager_uris["tax-{$queried_object->term_id}"]) && defined('PERMALINK_MANAGER_PRO')) { |
| 673 | // Check if the term is excluded |
| 674 | if(Permalink_Manager_Helper_Functions::is_term_excluded($queried_object)) { return; } |
| 675 | |
| 676 | // Get the real URL |
| 677 | $correct_permalink = get_term_link($queried_object->term_id, $queried_object->taxonomy); |
| 678 | } |
| 679 | |
| 680 | $redirect_type = (!empty($correct_permalink)) ? 'native_redirect' : $redirect_type; |
| 681 | } |
| 682 | |
| 683 | /** |
| 684 | * 1E. Old slug redirect |
| 685 | */ |
| 686 | if($old_slug_redirect && !empty($pm_query['uri']) && empty($wp_query->query_vars['do_not_redirect']) && is_404() && empty($correct_permalink)) { |
| 687 | $slug = basename($pm_query['uri']); |
| 688 | |
| 689 | $post_id = $wpdb->get_var($wpdb->prepare("SELECT post_id from {$wpdb->postmeta} WHERE meta_key = '_wp_old_slug' AND meta_value = %s", $slug)); |
| 690 | if(!empty($post_id)) { |
| 691 | $correct_permalink = get_permalink($post_id); |
| 692 | $redirect_type = 'old_slug_redirect'; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | /** |
| 697 | * 2. Check if URL contains duplicated slashes |
| 698 | */ |
| 699 | if(!empty($old_uri) && ($old_uri !== '/') && preg_match('/\/{2,}/', $old_uri)) { |
| 700 | $new_uri = ltrim(preg_replace('/([^:])([\/]+)/', '$1/', $old_uri), '/'); |
| 701 | $correct_permalink = sprintf("%s/%s", $home_url, $new_uri); |
| 702 | |
| 703 | $redirect_type = ($redirect_type == '-') ? 'duplicated_slash_redirect' : $redirect_type; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * 3. Prevent redirect loop |
| 708 | */ |
| 709 | if(!empty($correct_permalink) && is_string($correct_permalink) && !empty($wp->request) && !empty($redirect_type) && $redirect_type !== 'slash_redirect') { |
| 710 | $current_uri = trim($wp->request, "/"); |
| 711 | $redirect_uri = trim(parse_url($correct_permalink, PHP_URL_PATH), "/"); |
| 712 | |
| 713 | $correct_permalink = ($redirect_uri == $current_uri) ? null : $correct_permalink; |
| 714 | } |
| 715 | |
| 716 | /** |
| 717 | * 4. Add endpoints to redirect URL |
| 718 | */ |
| 719 | if(!empty($correct_permalink) && $endpoint_redirect && ($redirect_type !== 'slash_redirect') && (!empty($pm_query['endpoint_value']) || !empty($pm_query['endpoint']))) { |
| 720 | $endpoint_value = $pm_query['endpoint_value']; |
| 721 | |
| 722 | if(empty($pm_query['endpoint']) && is_numeric($endpoint_value)) { |
| 723 | $correct_permalink = sprintf("%s/%d", trim($correct_permalink, "/"), $endpoint_value); |
| 724 | } else if(isset($pm_query['endpoint']) && !empty($endpoint_value)) { |
| 725 | if($pm_query['endpoint'] == 'cpage') { |
| 726 | $correct_permalink = sprintf("%s/%s-%s", trim($correct_permalink, "/"), $wp_rewrite->comments_pagination_base, $endpoint_value); |
| 727 | } else { |
| 728 | $correct_permalink = sprintf("%s/%s/%s", trim($correct_permalink, "/"), $pm_query['endpoint'], $endpoint_value); |
| 729 | } |
| 730 | } else { |
| 731 | $correct_permalink = sprintf("%s/%s", trim($correct_permalink, "/"), $pm_query['endpoint']); |
| 732 | } |
| 733 | } |
| 734 | } else { |
| 735 | $queried_object = '-'; |
| 736 | } |
| 737 | |
| 738 | /** |
| 739 | * 5. Check trailing slashes (ignore links with query parameters) |
| 740 | */ |
| 741 | if($trailing_slashes_mode && $trailing_slashes_redirect && empty($correct_permalink) && empty($query_string) && !empty($old_uri) && !is_front_page()) { |
| 742 | // Check if $old_uri ends with slash or not |
| 743 | $ends_with_slash = (substr($old_uri, -1) == "/") ? true : false; |
| 744 | $trailing_slashes_mode = (preg_match("/.*\.([a-zA-Z]{3,4})\/?$/", $old_uri) && $trailing_slashes_mode == 1) ? 2 : $trailing_slashes_mode; |
| 745 | |
| 746 | // Ignore empty URIs |
| 747 | if($old_uri != "/") { |
| 748 | $new_uri = trim($old_uri, '/'); |
| 749 | |
| 750 | // 2A. Force trailing slashes |
| 751 | if($trailing_slashes_mode == 1 && $ends_with_slash == false) { |
| 752 | $correct_permalink = sprintf("%s/%s/", $home_url, $new_uri); |
| 753 | } |
| 754 | // 2B. Remove trailing slashes |
| 755 | else if($trailing_slashes_mode == 2 && $ends_with_slash == true) { |
| 756 | $correct_permalink = sprintf("%s/%s", $home_url, $new_uri); |
| 757 | } |
| 758 | // 2C. Remove duplicated trailing slashes |
| 759 | else if($trailing_slashes_mode == 1 && preg_match('/[\/]{2,}$/', $old_uri)) { |
| 760 | $correct_permalink = sprintf("%s/%s/", $home_url, $new_uri); |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | $redirect_type = (!empty($correct_permalink)) ? 'slash_redirect' : '-'; |
| 765 | } |
| 766 | |
| 767 | /** |
| 768 | * 6. WWW prefix | SSL mismatch redirect |
| 769 | */ |
| 770 | if(!empty($permalink_manager_options['general']['sslwww_redirect'])) { |
| 771 | $home_url_has_www = (strpos($home_url, 'www.') !== false) ? true : false; |
| 772 | $requested_url_has_www = (strpos($_SERVER['HTTP_HOST'], 'www.') !== false) ? true : false; |
| 773 | $home_url_has_ssl = (strpos($home_url, 'https') !== false) ? true : false; |
| 774 | $requested_url_has_ssl = is_ssl(); |
| 775 | |
| 776 | if(($home_url_has_www !== $requested_url_has_www) || ($home_url_has_ssl !== $requested_url_has_ssl)) { |
| 777 | $new_uri = ltrim($old_uri, '/'); |
| 778 | $correct_permalink = sprintf("%s/%s", $home_url, $new_uri); |
| 779 | |
| 780 | $redirect_type = 'www_redirect'; |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | /** |
| 785 | * 7. Debug redirect |
| 786 | */ |
| 787 | $correct_permalink = apply_filters('permalink_manager_filter_redirect', $correct_permalink, $redirect_type, $queried_object); |
| 788 | |
| 789 | /** |
| 790 | * 8. Ignore default URIs (or do nothing if redirects are disabled) |
| 791 | */ |
| 792 | if(!empty($correct_permalink) && is_string($correct_permalink) && !empty($redirect_mode)) { |
| 793 | // Allow redirect |
| 794 | $wp_query->query_vars['do_not_redirect'] = 0; |
| 795 | |
| 796 | // Append query string |
| 797 | $correct_permalink = (!empty($query_string)) ? sprintf("%s?%s", strtok($correct_permalink, "?"), $query_string) : $correct_permalink; |
| 798 | |
| 799 | // Adjust trailing slashes |
| 800 | $correct_permalink = self::control_trailing_slashes($correct_permalink); |
| 801 | |
| 802 | // Prevent redirect loop |
| 803 | $rel_old_uri = wp_make_link_relative($old_uri); |
| 804 | $rel_correct_permalink = wp_make_link_relative($correct_permalink); |
| 805 | |
| 806 | if($rel_old_uri !== $rel_correct_permalink) { |
| 807 | wp_safe_redirect($correct_permalink, $redirect_mode, PERMALINK_MANAGER_PLUGIN_NAME); |
| 808 | exit(); |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | function adjust_canonical_redirect() { |
| 814 | global $permalink_manager_options, $permalink_manager_uris, $wp, $wp_rewrite; |
| 815 | |
| 816 | // Adjust rewrite settings for trailing slashes |
| 817 | $trailing_slash_setting = (!empty($permalink_manager_options['general']['trailing_slashes'])) ? $permalink_manager_options['general']['trailing_slashes'] : ""; |
| 818 | if(in_array($trailing_slash_setting, array(1, 10))) { |
| 819 | $wp_rewrite->use_trailing_slashes = true; |
| 820 | } else if(in_array($trailing_slash_setting, array(2, 20))) { |
| 821 | $wp_rewrite->use_trailing_slashes = false; |
| 822 | } |
| 823 | |
| 824 | // Get endpoints |
| 825 | $endpoints = Permalink_Manager_Helper_Functions::get_endpoints(); |
| 826 | $endpoints_array = ($endpoints) ? explode("|", $endpoints) : array(); |
| 827 | |
| 828 | // Check if any endpoint is called (fix for feed and similar endpoints) |
| 829 | foreach($endpoints_array as $endpoint) { |
| 830 | if(!empty($wp->query_vars[$endpoint]) && !in_array($endpoint, array('attachment', 'page', 'paged'))) { |
| 831 | $wp->query_vars['do_not_redirect'] = 1; |
| 832 | break; |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | // Do nothing for posts and terms without custom URIs (when canonical redirect is enabled) |
| 837 | if(is_singular() || is_tax() || is_category() || is_tag()) { |
| 838 | $element = get_queried_object(); |
| 839 | if(!empty($element->ID)) { |
| 840 | $custom_uri = (!empty($permalink_manager_uris[$element->ID])) ? $permalink_manager_uris[$element->ID] : ""; |
| 841 | } else if(!empty($element->term_id)) { |
| 842 | $custom_uri = (!empty($permalink_manager_uris["tax-{$element->term_id}"])) ? $permalink_manager_uris["tax-{$element->term_id}"] : ""; |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | if(empty($permalink_manager_options['general']['canonical_redirect'])) { |
| 847 | remove_action('template_redirect', 'redirect_canonical'); |
| 848 | } |
| 849 | |
| 850 | if(empty($permalink_manager_options['general']['old_slug_redirect'])) { |
| 851 | remove_action('template_redirect', 'wp_old_slug_redirect'); |
| 852 | } |
| 853 | |
| 854 | if(!empty($wp->query_vars['do_not_redirect'])) { |
| 855 | // RankMath |
| 856 | remove_action('template_redirect', 'do_redirection', 11); |
| 857 | remove_action('wp', 'do_redirection', 11); |
| 858 | |
| 859 | // SEOPress |
| 860 | remove_action('template_redirect', 'seopress_category_redirect', 1); |
| 861 | |
| 862 | remove_action('template_redirect', 'wp_old_slug_redirect'); |
| 863 | remove_action('template_redirect', 'redirect_canonical'); |
| 864 | add_filter('wpml_is_redirected', '__return_false', 99, 2); |
| 865 | add_filter('pll_check_canonical_url', '__return_false', 99, 2); |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | /** |
| 870 | * Case insensitive permalinks |
| 871 | */ |
| 872 | function case_insensitive_permalinks() { |
| 873 | global $permalink_manager_options, $permalink_manager_uris; |
| 874 | |
| 875 | if(!empty($_SERVER['REQUEST_URI'])) { |
| 876 | $_SERVER['REQUEST_URI'] = strtolower($_SERVER['REQUEST_URI']); |
| 877 | $permalink_manager_uris = array_map('strtolower', $permalink_manager_uris); |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | } |
| 882 |