| | 1 | <?php |
| | 2 | |
| | 3 | /* WP_Rewrite API |
| | 4 | *******************************************************************************/ |
| | 5 | |
| | 6 | //Add a straight rewrite rule |
| | 7 | function add_rewrite_rule($regex, $redirect) { |
| | 8 | global $wp_rewrite; |
| | 9 | $wp_rewrite->add_extra_rule($regex, $redirect); |
| | 10 | } |
| | 11 | |
| | 12 | //Add a new tag (like %postname%) |
| | 13 | //warning: you must call this on init or earlier, otherwise the query var addition stuff won't work |
| | 14 | function add_rewrite_tag($tagname, $regex) { |
| | 15 | //validation |
| | 16 | if (strlen($tagname) < 3 || $tagname{0} != '%' || $tagname{strlen($tagname)-1} != '%') { |
| | 17 | return; |
| | 18 | } |
| | 19 | |
| | 20 | $qv = trim($tagname, '%'); |
| | 21 | |
| | 22 | global $wp_rewrite, $wp; |
| | 23 | $wp->add_extra_qv($qv); |
| | 24 | $wp_rewrite->add_rewrite_tag($tagname, $regex, $qv . '='); |
| | 25 | } |
| | 26 | |
| | 27 | //Add a new feed type like /atom1/ |
| | 28 | function add_feed($feedname, $filename) { |
| | 29 | global $wp_rewrite; |
| | 30 | if (!in_array($feedname, $wp_rewrite->feeds)) { //override the file if it is |
| | 31 | $wp_rewrite->feeds[] = $feedname; |
| | 32 | } |
| | 33 | $wp_rewrite->feed_files[$feedname] = $filename; |
| | 34 | } |
| | 35 | |
| | 36 | define('EP_PERMALINK', 1 ); |
| | 37 | define('EP_DATE', 2 ); |
| | 38 | define('EP_ROOT', 4 ); |
| | 39 | define('EP_COMMENTS', 8 ); |
| | 40 | define('EP_SEARCH', 16 ); |
| | 41 | define('EP_CATEGORIES', 32 ); |
| | 42 | define('EP_AUTHORS', 64 ); |
| | 43 | define('EP_PAGES', 128); |
| | 44 | //pseudo-places |
| | 45 | define('EP_NONE', 0 ); |
| | 46 | define('EP_ALL', 255); |
| | 47 | |
| | 48 | //and an endpoint, like /trackback/ |
| | 49 | function add_endpoint($name, $places) { |
| | 50 | global $wp_rewrite; |
| | 51 | $wp_rewrite->add_endpoint($name, $func, $places); |
| | 52 | } |
| | 53 | |
| | 54 | /* WP_Rewrite class |
| | 55 | *******************************************************************************/ |
| | 56 | |
| | 57 | class WP_Rewrite { |
| | 58 | var $permalink_structure; |
| | 59 | var $category_base; |
| | 60 | var $category_structure; |
| | 61 | var $author_base = 'author'; |
| | 62 | var $author_structure; |
| | 63 | var $date_structure; |
| | 64 | var $page_structure; |
| | 65 | var $search_base = 'search'; |
| | 66 | var $search_structure; |
| | 67 | var $comments_base = 'comments'; |
| | 68 | var $feed_base = 'feed'; |
| | 69 | var $comments_feed_structure; |
| | 70 | var $feed_structure; |
| | 71 | var $front; |
| | 72 | var $root = ''; |
| | 73 | var $index = 'index.php'; |
| | 74 | var $matches = ''; |
| | 75 | var $rules; |
| | 76 | var $extra_rules; //those not generated by the class, see add_rewrite_rule() |
| | 77 | var $non_wp_rules; //rules that don't redirect to WP's index.php |
| | 78 | var $endpoints; |
| | 79 | var $use_verbose_rules = false; |
| | 80 | var $rewritecode = |
| | 81 | array( |
| | 82 | '%year%', |
| | 83 | '%monthnum%', |
| | 84 | '%day%', |
| | 85 | '%hour%', |
| | 86 | '%minute%', |
| | 87 | '%second%', |
| | 88 | '%postname%', |
| | 89 | '%post_id%', |
| | 90 | '%category%', |
| | 91 | '%author%', |
| | 92 | '%pagename%', |
| | 93 | '%search%' |
| | 94 | ); |
| | 95 | |
| | 96 | var $rewritereplace = |
| | 97 | array( |
| | 98 | '([0-9]{4})', |
| | 99 | '([0-9]{1,2})', |
| | 100 | '([0-9]{1,2})', |
| | 101 | '([0-9]{1,2})', |
| | 102 | '([0-9]{1,2})', |
| | 103 | '([0-9]{1,2})', |
| | 104 | '([^/]+)', |
| | 105 | '([0-9]+)', |
| | 106 | '(.+?)', |
| | 107 | '([^/]+)', |
| | 108 | '([^/]+)', |
| | 109 | '(.+)' |
| | 110 | ); |
| | 111 | |
| | 112 | var $queryreplace = |
| | 113 | array ( |
| | 114 | 'year=', |
| | 115 | 'monthnum=', |
| | 116 | 'day=', |
| | 117 | 'hour=', |
| | 118 | 'minute=', |
| | 119 | 'second=', |
| | 120 | 'name=', |
| | 121 | 'p=', |
| | 122 | 'category_name=', |
| | 123 | 'author_name=', |
| | 124 | 'pagename=', |
| | 125 | 's=' |
| | 126 | ); |
| | 127 | |
| | 128 | var $feeds = array ( 'feed', 'rdf', 'rss', 'rss2', 'atom' ); |
| | 129 | |
| | 130 | //the filenames aren't actually used in WP_Rewrite but seems a convenient place as any to store them |
| | 131 | var $feed_files = array ( |
| | 132 | 'rdf' => 'wp-rdf.php', |
| | 133 | 'rss' => 'wp-rss.php', |
| | 134 | 'rss2' => 'wp-rss2.php', |
| | 135 | 'atom' =>'wp-atom.php' |
| | 136 | ); |
| | 137 | |
| | 138 | function using_permalinks() { |
| | 139 | if (empty($this->permalink_structure)) |
| | 140 | return false; |
| | 141 | else |
| | 142 | return true; |
| | 143 | } |
| | 144 | |
| | 145 | function using_index_permalinks() { |
| | 146 | if (empty($this->permalink_structure)) { |
| | 147 | return false; |
| | 148 | } |
| | 149 | |
| | 150 | // If the index is not in the permalink, we're using mod_rewrite. |
| | 151 | if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) { |
| | 152 | return true; |
| | 153 | } |
| | 154 | |
| | 155 | return false; |
| | 156 | } |
| | 157 | |
| | 158 | function using_mod_rewrite_permalinks() { |
| | 159 | if ( $this->using_permalinks() && ! $this->using_index_permalinks()) |
| | 160 | return true; |
| | 161 | else |
| | 162 | return false; |
| | 163 | } |
| | 164 | |
| | 165 | function preg_index($number) { |
| | 166 | $match_prefix = '$'; |
| | 167 | $match_suffix = ''; |
| | 168 | |
| | 169 | if (! empty($this->matches)) { |
| | 170 | $match_prefix = '$' . $this->matches . '['; |
| | 171 | $match_suffix = ']'; |
| | 172 | } |
| | 173 | |
| | 174 | return "$match_prefix$number$match_suffix"; |
| | 175 | } |
| | 176 | |
| | 177 | function page_rewrite_rules() { |
| | 178 | $uris = get_settings('page_uris'); |
| | 179 | $attachment_uris = get_settings('page_attachment_uris'); |
| | 180 | |
| | 181 | $rewrite_rules = array(); |
| | 182 | $page_structure = $this->get_page_permastruct(); |
| | 183 | if( is_array( $attachment_uris ) ) { |
| | 184 | foreach ($attachment_uris as $uri => $pagename) { |
| | 185 | $this->add_rewrite_tag('%pagename%', "($uri)", 'attachment='); |
| | 186 | $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES)); |
| | 187 | } |
| | 188 | } |
| | 189 | if( is_array( $uris ) ) { |
| | 190 | foreach ($uris as $uri => $pagename) { |
| | 191 | $this->add_rewrite_tag('%pagename%', "($uri)", 'pagename='); |
| | 192 | $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES)); |
| | 193 | } |
| | 194 | } |
| | 195 | |
| | 196 | return $rewrite_rules; |
| | 197 | } |
| | 198 | |
| | 199 | function get_date_permastruct() { |
| | 200 | if (isset($this->date_structure)) { |
| | 201 | return $this->date_structure; |
| | 202 | } |
| | 203 | |
| | 204 | if (empty($this->permalink_structure)) { |
| | 205 | $this->date_structure = ''; |
| | 206 | return false; |
| | 207 | } |
| | 208 | |
| | 209 | // The date permalink must have year, month, and day separated by slashes. |
| | 210 | $endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%'); |
| | 211 | |
| | 212 | $this->date_structure = ''; |
| | 213 | $date_endian = ''; |
| | 214 | |
| | 215 | foreach ($endians as $endian) { |
| | 216 | if (false !== strpos($this->permalink_structure, $endian)) { |
| | 217 | $date_endian= $endian; |
| | 218 | break; |
| | 219 | } |
| | 220 | } |
| | 221 | |
| | 222 | if ( empty($date_endian) ) |
| | 223 | $date_endian = '%year%/%monthnum%/%day%'; |
| | 224 | |
| | 225 | // Do not allow the date tags and %post_id% to overlap in the permalink |
| | 226 | // structure. If they do, move the date tags to $front/date/. |
| | 227 | $front = $this->front; |
| | 228 | preg_match_all('/%.+?%/', $this->permalink_structure, $tokens); |
| | 229 | $tok_index = 1; |
| | 230 | foreach ($tokens[0] as $token) { |
| | 231 | if ( ($token == '%post_id%') && ($tok_index <= 3) ) { |
| | 232 | $front = $front . 'date/'; |
| | 233 | break; |
| | 234 | } |
| | 235 | } |
| | 236 | |
| | 237 | $this->date_structure = $front . $date_endian; |
| | 238 | |
| | 239 | return $this->date_structure; |
| | 240 | } |
| | 241 | |
| | 242 | function get_year_permastruct() { |
| | 243 | $structure = $this->get_date_permastruct($this->permalink_structure); |
| | 244 | |
| | 245 | if (empty($structure)) { |
| | 246 | return false; |
| | 247 | } |
| | 248 | |
| | 249 | $structure = str_replace('%monthnum%', '', $structure); |
| | 250 | $structure = str_replace('%day%', '', $structure); |
| | 251 | |
| | 252 | $structure = preg_replace('#/+#', '/', $structure); |
| | 253 | |
| | 254 | return $structure; |
| | 255 | } |
| | 256 | |
| | 257 | function get_month_permastruct() { |
| | 258 | $structure = $this->get_date_permastruct($this->permalink_structure); |
| | 259 | |
| | 260 | if (empty($structure)) { |
| | 261 | return false; |
| | 262 | } |
| | 263 | |
| | 264 | $structure = str_replace('%day%', '', $structure); |
| | 265 | |
| | 266 | $structure = preg_replace('#/+#', '/', $structure); |
| | 267 | |
| | 268 | return $structure; |
| | 269 | } |
| | 270 | |
| | 271 | function get_day_permastruct() { |
| | 272 | return $this->get_date_permastruct($this->permalink_structure); |
| | 273 | } |
| | 274 | |
| | 275 | function get_category_permastruct() { |
| | 276 | if (isset($this->category_structure)) { |
| | 277 | return $this->category_structure; |
| | 278 | } |
| | 279 | |
| | 280 | if (empty($this->permalink_structure)) { |
| | 281 | $this->category_structure = ''; |
| | 282 | return false; |
| | 283 | } |
| | 284 | |
| | 285 | if (empty($this->category_base)) |
| | 286 | $this->category_structure = $this->front . 'category/'; |
| | 287 | else |
| | 288 | $this->category_structure = $this->category_base . '/'; |
| | 289 | |
| | 290 | $this->category_structure .= '%category%'; |
| | 291 | |
| | 292 | return $this->category_structure; |
| | 293 | } |
| | 294 | |
| | 295 | function get_author_permastruct() { |
| | 296 | if (isset($this->author_structure)) { |
| | 297 | return $this->author_structure; |
| | 298 | } |
| | 299 | |
| | 300 | if (empty($this->permalink_structure)) { |
| | 301 | $this->author_structure = ''; |
| | 302 | return false; |
| | 303 | } |
| | 304 | |
| | 305 | $this->author_structure = $this->front . $this->author_base . '/%author%'; |
| | 306 | |
| | 307 | return $this->author_structure; |
| | 308 | } |
| | 309 | |
| | 310 | function get_search_permastruct() { |
| | 311 | if (isset($this->search_structure)) { |
| | 312 | return $this->search_structure; |
| | 313 | } |
| | 314 | |
| | 315 | if (empty($this->permalink_structure)) { |
| | 316 | $this->search_structure = ''; |
| | 317 | return false; |
| | 318 | } |
| | 319 | |
| | 320 | $this->search_structure = $this->root . $this->search_base . '/%search%'; |
| | 321 | |
| | 322 | return $this->search_structure; |
| | 323 | } |
| | 324 | |
| | 325 | function get_page_permastruct() { |
| | 326 | if (isset($this->page_structure)) { |
| | 327 | return $this->page_structure; |
| | 328 | } |
| | 329 | |
| | 330 | if (empty($this->permalink_structure)) { |
| | 331 | $this->page_structure = ''; |
| | 332 | return false; |
| | 333 | } |
| | 334 | |
| | 335 | $this->page_structure = $this->root . '%pagename%'; |
| | 336 | |
| | 337 | return $this->page_structure; |
| | 338 | } |
| | 339 | |
| | 340 | function get_feed_permastruct() { |
| | 341 | if (isset($this->feed_structure)) { |
| | 342 | return $this->feed_structure; |
| | 343 | } |
| | 344 | |
| | 345 | if (empty($this->permalink_structure)) { |
| | 346 | $this->feed_structure = ''; |
| | 347 | return false; |
| | 348 | } |
| | 349 | |
| | 350 | $this->feed_structure = $this->root . $this->feed_base . '/%feed%'; |
| | 351 | |
| | 352 | return $this->feed_structure; |
| | 353 | } |
| | 354 | |
| | 355 | function get_comment_feed_permastruct() { |
| | 356 | if (isset($this->comment_feed_structure)) { |
| | 357 | return $this->comment_feed_structure; |
| | 358 | } |
| | 359 | |
| | 360 | if (empty($this->permalink_structure)) { |
| | 361 | $this->comment_feed_structure = ''; |
| | 362 | return false; |
| | 363 | } |
| | 364 | |
| | 365 | $this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%'; |
| | 366 | |
| | 367 | return $this->comment_feed_structure; |
| | 368 | } |
| | 369 | |
| | 370 | function add_rewrite_tag($tag, $pattern, $query) { |
| | 371 | // If the tag already exists, replace the existing pattern and query for |
| | 372 | // that tag, otherwise add the new tag, pattern, and query to the end of |
| | 373 | // the arrays. |
| | 374 | $position = array_search($tag, $this->rewritecode); |
| | 375 | if (FALSE !== $position && NULL !== $position) { |
| | 376 | $this->rewritereplace[$position] = $pattern; |
| | 377 | $this->queryreplace[$position] = $query; |
| | 378 | } else { |
| | 379 | $this->rewritecode[] = $tag; |
| | 380 | $this->rewritereplace[] = $pattern; |
| | 381 | $this->queryreplace[] = $query; |
| | 382 | } |
| | 383 | } |
| | 384 | |
| | 385 | //the main WP_Rewrite function. generate the rules from permalink structure |
| | 386 | function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) { |
| | 387 | //build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/? |
| | 388 | $feedregex2 = ''; |
| | 389 | foreach ($this->feeds as $feed_name) { |
| | 390 | $feedregex2 .= $feed_name . '|'; |
| | 391 | } |
| | 392 | $feedregex2 = '(' . trim($feedregex2, '|') . ')/?$'; |
| | 393 | //$feedregex is identical but with /feed/ added on as well, so URLs like <permalink>/feed/atom |
| | 394 | //and <permalink>/atom are both possible |
| | 395 | $feedregex = $this->feed_base . '/' . $feedregex2; |
| | 396 | |
| | 397 | //build a regex to match the trackback and page/xx parts of URLs |
| | 398 | $trackbackregex = 'trackback/?$'; |
| | 399 | $pageregex = 'page/?([0-9]{1,})/?$'; |
| | 400 | |
| | 401 | //build up an array of endpoint regexes to append => queries to append |
| | 402 | if ($endpoints) { |
| | 403 | $ep_query_append = array (); |
| | 404 | foreach ($this->endpoints as $endpoint) { |
| | 405 | //match everything after the endpoint name, but allow for nothing to appear there |
| | 406 | $epmatch = $endpoint[1] . '(/(.*))?/?$'; |
| | 407 | //this will be appended on to the rest of the query for each dir |
| | 408 | $epquery = '&' . $endpoint[1] . '=' . $this->preg_index(2); |
| | 409 | $ep_query_append[$epmatch] = array ( $endpoint[0], $epquery ); |
| | 410 | } |
| | 411 | } |
| | 412 | |
| | 413 | //get everything up to the first rewrite tag |
| | 414 | $front = substr($permalink_structure, 0, strpos($permalink_structure, '%')); |
| | 415 | //build an array of the tags (note that said array ends up being in $tokens[0]) |
| | 416 | preg_match_all('/%.+?%/', $permalink_structure, $tokens); |
| | 417 | |
| | 418 | $num_tokens = count($tokens[0]); |
| | 419 | |
| | 420 | $index = $this->index; //probably 'index.php' |
| | 421 | $feedindex = $index; |
| | 422 | $trackbackindex = $index; |
| | 423 | //build a list from the rewritecode and queryreplace arrays, that will look something like |
| | 424 | //tagname=$matches[i] where i is the current $i |
| | 425 | for ($i = 0; $i < $num_tokens; ++$i) { |
| | 426 | if (0 < $i) { |
| | 427 | $queries[$i] = $queries[$i - 1] . '&'; |
| | 428 | } |
| | 429 | |
| | 430 | $query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1); |
| | 431 | $queries[$i] .= $query_token; |
| | 432 | } |
| | 433 | |
| | 434 | //get the structure, minus any cruft (stuff that isn't tags) at the front |
| | 435 | $structure = $permalink_structure; |
| | 436 | if ($front != '/') { |
| | 437 | $structure = str_replace($front, '', $structure); |
| | 438 | } |
| | 439 | //create a list of dirs to walk over, making rewrite rules for each level |
| | 440 | //so for example, a $structure of /%year%/%month%/%postname% would create |
| | 441 | //rewrite rules for /%year%/, /%year%/%month%/ and /%year%/%month%/%postname% |
| | 442 | $structure = trim($structure, '/'); |
| | 443 | if ($walk_dirs) { |
| | 444 | $dirs = explode('/', $structure); |
| | 445 | } else { |
| | 446 | $dirs[] = $structure; |
| | 447 | } |
| | 448 | $num_dirs = count($dirs); |
| | 449 | |
| | 450 | //strip slashes from the front of $front |
| | 451 | $front = preg_replace('|^/+|', '', $front); |
| | 452 | |
| | 453 | //the main workhorse loop |
| | 454 | $post_rewrite = array(); |
| | 455 | $struct = $front; |
| | 456 | for ($j = 0; $j < $num_dirs; ++$j) { |
| | 457 | //get the struct for this dir, and trim slashes off the front |
| | 458 | $struct .= $dirs[$j] . '/'; //accumulate. see comment near explode('/', $structure) above |
| | 459 | $struct = ltrim($struct, '/'); |
| | 460 | //replace tags with regexes |
| | 461 | $match = str_replace($this->rewritecode, $this->rewritereplace, $struct); |
| | 462 | //make a list of tags, and store how many there are in $num_toks |
| | 463 | $num_toks = preg_match_all('/%.+?%/', $struct, $toks); |
| | 464 | //get the 'tagname=$matches[i]' |
| | 465 | $query = $queries[$num_toks - 1]; |
| | 466 | |
| | 467 | //create query for /page/xx |
| | 468 | $pagematch = $match . $pageregex; |
| | 469 | $pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1); |
| | 470 | |
| | 471 | //create query for /feed/(feed|atom|rss|rss2|rdf) |
| | 472 | $feedmatch = $match . $feedregex; |
| | 473 | $feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1); |
| | 474 | |
| | 475 | //create query for /(feed|atom|rss|rss2|rdf) (see comment near creation of $feedregex) |
| | 476 | $feedmatch2 = $match . $feedregex2; |
| | 477 | $feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1); |
| | 478 | |
| | 479 | //if asked to, turn the feed queries into comment feed ones |
| | 480 | if ($forcomments) { |
| | 481 | $feedquery .= '&withcomments=1'; |
| | 482 | $feedquery2 .= '&withcomments=1'; |
| | 483 | } |
| | 484 | |
| | 485 | //start creating the array of rewrites for this dir |
| | 486 | $rewrite = array(); |
| | 487 | if ($feed) //...adding on /feed/ regexes => queries |
| | 488 | $rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2); |
| | 489 | if ($paged) //...and /page/xx ones |
| | 490 | $rewrite = array_merge($rewrite, array($pagematch => $pagequery)); |
| | 491 | |
| | 492 | //if we've got some tags in this dir |
| | 493 | if ($num_toks) { |
| | 494 | $post = false; |
| | 495 | $page = false; |
| | 496 | |
| | 497 | //check to see if this dir is permalink-level: i.e. the structure specifies an |
| | 498 | //individual post. Do this by checking it contains at least one of 1) post name, |
| | 499 | //2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and |
| | 500 | //minute all present). Set these flags now as we need them for the endpoints. |
| | 501 | if (strstr($struct, '%postname%') || strstr($struct, '%post_id%') |
| | 502 | || strstr($struct, '%pagename%') |
| | 503 | || (strstr($struct, '%year%') && strstr($struct, '%monthnum%') && strstr($struct, '%day%') && strstr($struct, '%hour%') && strstr($struct, '%minute') && strstr($struct, '%second%'))) { |
| | 504 | $post = true; |
| | 505 | if ( strstr($struct, '%pagename%') ) |
| | 506 | $page = true; |
| | 507 | } |
| | 508 | |
| | 509 | //do endpoints |
| | 510 | if ($endpoints) { |
| | 511 | foreach ($ep_query_append as $regex => $ep) { |
| | 512 | //add the endpoints on if 1) it's a permalink and there's flags for a permalink or 2) |
| | 513 | //it's not a permalink (then we don't do any flag checking as it should have happened in |
| | 514 | //rewrite_rules()) |
| | 515 | if ($ep[0] & $ep_mask) { |
| | 516 | $rewrite[$match . $regex] = $index . '?' . $query . $ep[1]; |
| | 517 | } |
| | 518 | } |
| | 519 | } |
| | 520 | |
| | 521 | //if we're creating rules for a permalink |
| | 522 | if ($post) { |
| | 523 | $post = true; |
| | 524 | //create query and regex for trackback |
| | 525 | $trackbackmatch = $match . $trackbackregex; |
| | 526 | $trackbackquery = $trackbackindex . '?' . $query . '&tb=1'; |
| | 527 | //trim slashes from the end of the regex for this dir |
| | 528 | $match = rtrim($match, '/'); |
| | 529 | //get rid of brackets |
| | 530 | $submatchbase = str_replace(array('(',')'),'',$match); |
| | 531 | |
| | 532 | //add a rule for at attachements, which take the form of <permalink>/some-text |
| | 533 | $sub1 = $submatchbase . '/([^/]+)/'; |
| | 534 | $sub1tb = $sub1 . $trackbackregex; //add trackback regex |
| | 535 | $sub1feed = $sub1 . $feedregex; //and /feed/(atom|...) |
| | 536 | $sub1feed2 = $sub1 . $feedregex2; //and (feed|atom...) |
| | 537 | //add an ? as we don't have to match that last slash, and finally a $ so we |
| | 538 | //match to the end of the URL |
| | 539 | $sub1 .= '?$'; |
| | 540 | |
| | 541 | //add another rule to match attachments in the explicit form: |
| | 542 | //<permalink>/attachment/some-text |
| | 543 | $sub2 = $submatchbase . '/attachment/([^/]+)/'; |
| | 544 | $sub2tb = $sub2 . $trackbackregex; //and add trackbacks, |
| | 545 | $sub2feed = $sub2 . $feedregex; //feeds, |
| | 546 | $sub2feed2 = $sub2 . $feedregex2; //and feeds again on to this |
| | 547 | $sub2 .= '?$'; //add a ?$ as above |
| | 548 | |
| | 549 | //create queries for these extra tag-ons we've just dealt with |
| | 550 | $subquery = $index . '?attachment=' . $this->preg_index(1); |
| | 551 | $subtbquery = $subquery . '&tb=1'; |
| | 552 | $subfeedquery = $subquery . '&feed=' . $this->preg_index(2); |
| | 553 | |
| | 554 | //allow URLs like <permalink>/2 for <permalink>/page/2 |
| | 555 | $match = $match . '(/[0-9]+)?/?$'; |
| | 556 | $query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1); |
| | 557 | } else { //not matching a permalink so this is a lot simpler |
| | 558 | //close the match and finalise the query |
| | 559 | $match .= '?$'; |
| | 560 | $query = $index . '?' . $query; |
| | 561 | } |
| | 562 | |
| | 563 | //create the final array for this dir by joining the $rewrite array (which currently |
| | 564 | //only contains rules/queries for trackback, pages etc) to the main regex/query for |
| | 565 | //this dir |
| | 566 | $rewrite = array_merge($rewrite, array($match => $query)); |
| | 567 | |
| | 568 | //if we're matching a permalink, add those extras (attachments etc) on |
| | 569 | if ($post) { |
| | 570 | //add trackback |
| | 571 | $rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite); |
| | 572 | |
| | 573 | //add regexes/queries for attachments, attachment trackbacks and so on |
| | 574 | if ( ! $page ) //require <permalink>/attachment/stuff form for pages because of confusion with subpages |
| | 575 | $rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery)); |
| | 576 | $rewrite = array_merge($rewrite, array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery)); |
| | 577 | } |
| | 578 | } |
| | 579 | //add the rules for this dir to the accumulating $post_rewrite |
| | 580 | $post_rewrite = array_merge($rewrite, $post_rewrite); |
| | 581 | } |
| | 582 | return $post_rewrite; //the finished rules. phew! |
| | 583 | } |
| | 584 | |
| | 585 | function generate_rewrite_rule($permalink_structure, $walk_dirs = false) { |
| | 586 | return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs); |
| | 587 | } |
| | 588 | |
| | 589 | /* rewrite_rules |
| | 590 | * Construct rewrite matches and queries from permalink structure. |
| | 591 | * Returns an associate array of matches and queries. |
| | 592 | */ |
| | 593 | function rewrite_rules() { |
| | 594 | $rewrite = array(); |
| | 595 | |
| | 596 | if (empty($this->permalink_structure)) { |
| | 597 | return $rewrite; |
| | 598 | } |
| | 599 | |
| | 600 | // Post |
| | 601 | $post_rewrite = $this->generate_rewrite_rules($this->permalink_structure, EP_PERMALINK); |
| | 602 | $post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite); |
| | 603 | |
| | 604 | // Date |
| | 605 | $date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct(), EP_DATE); |
| | 606 | $date_rewrite = apply_filters('date_rewrite_rules', $date_rewrite); |
| | 607 | |
| | 608 | // Root |
| | 609 | $root_rewrite = $this->generate_rewrite_rules($this->root . '/', EP_ROOT); |
| | 610 | $root_rewrite = apply_filters('root_rewrite_rules', $root_rewrite); |
| | 611 | |
| | 612 | // Comments |
| | 613 | $comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, EP_COMMENTS, true, true, true, false); |
| | 614 | $comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite); |
| | 615 | |
| | 616 | // Search |
| | 617 | $search_structure = $this->get_search_permastruct(); |
| | 618 | $search_rewrite = $this->generate_rewrite_rules($search_structure, EP_SEARCH); |
| | 619 | $search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite); |
| | 620 | |
| | 621 | // Categories |
| | 622 | $category_rewrite = $this->generate_rewrite_rules($this->get_category_permastruct(), EP_CATEGORIES); |
| | 623 | $category_rewrite = apply_filters('category_rewrite_rules', $category_rewrite); |
| | 624 | |
| | 625 | // Authors |
| | 626 | $author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct(), EP_AUTHORS); |
| | 627 | $author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite); |
| | 628 | |
| | 629 | // Pages |
| | 630 | $page_rewrite = $this->page_rewrite_rules(); |
| | 631 | $page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite); |
| | 632 | |
| | 633 | // Put them together. |
| | 634 | $this->rules = array_merge($page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $this->extra_rules); |
| | 635 | |
| | 636 | do_action('generate_rewrite_rules', array(&$this)); |
| | 637 | $this->rules = apply_filters('rewrite_rules_array', $this->rules); |
| | 638 | |
| | 639 | return $this->rules; |
| | 640 | } |
| | 641 | |
| | 642 | function wp_rewrite_rules() { |
| | 643 | $this->rules = get_option('rewrite_rules'); |
| | 644 | if ( empty($this->rules) ) { |
| | 645 | $this->matches = 'matches'; |
| | 646 | $this->rewrite_rules(); |
| | 647 | update_option('rewrite_rules', $this->rules); |
| | 648 | } |
| | 649 | |
| | 650 | return $this->rules; |
| | 651 | } |
| | 652 | |
| | 653 | function mod_rewrite_rules() { |
| | 654 | if ( ! $this->using_permalinks()) { |
| | 655 | return ''; |
| | 656 | } |
| | 657 | |
| | 658 | $site_root = parse_url(get_settings('siteurl')); |
| | 659 | $site_root = trailingslashit($site_root['path']); |
| | 660 | |
| | 661 | $home_root = parse_url(get_settings('home')); |
| | 662 | $home_root = trailingslashit($home_root['path']); |
| | 663 | |
| | 664 | $rules = "<IfModule mod_rewrite.c>\n"; |
| | 665 | $rules .= "RewriteEngine On\n"; |
| | 666 | $rules .= "RewriteBase $home_root\n"; |
| | 667 | |
| | 668 | //add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all) |
| | 669 | foreach ($this->non_wp_rules as $match => $query) { |
| | 670 | // Apache 1.3 does not support the reluctant (non-greedy) modifier. |
| | 671 | $match = str_replace('.+?', '.+', $match); |
| | 672 | |
| | 673 | // If the match is unanchored and greedy, prepend rewrite conditions |
| | 674 | // to avoid infinite redirects and eclipsing of real files. |
| | 675 | if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) { |
| | 676 | //nada. |
| | 677 | } |
| | 678 | |
| | 679 | $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; |
| | 680 | } |
| | 681 | |
| | 682 | if ($this->use_verbose_rules) { |
| | 683 | $this->matches = ''; |
| | 684 | $rewrite = $this->rewrite_rules(); |
| | 685 | $num_rules = count($rewrite); |
| | 686 | $rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" . |
| | 687 | "RewriteCond %{REQUEST_FILENAME} -d\n" . |
| | 688 | "RewriteRule ^.*$ - [S=$num_rules]\n"; |
| | 689 | |
| | 690 | foreach ($rewrite as $match => $query) { |
| | 691 | // Apache 1.3 does not support the reluctant (non-greedy) modifier. |
| | 692 | $match = str_replace('.+?', '.+', $match); |
| | 693 | |
| | 694 | // If the match is unanchored and greedy, prepend rewrite conditions |
| | 695 | // to avoid infinite redirects and eclipsing of real files. |
| | 696 | if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) { |
| | 697 | //nada. |
| | 698 | } |
| | 699 | |
| | 700 | if (strstr($query, $this->index)) { |
| | 701 | $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; |
| | 702 | } else { |
| | 703 | $rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n"; |
| | 704 | } |
| | 705 | } |
| | 706 | } else { |
| | 707 | $rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" . |
| | 708 | "RewriteCond %{REQUEST_FILENAME} !-d\n" . |
| | 709 | "RewriteRule . {$home_root}{$this->index} [L]\n"; |
| | 710 | } |
| | 711 | |
| | 712 | $rules .= "</IfModule>\n"; |
| | 713 | |
| | 714 | $rules = apply_filters('mod_rewrite_rules', $rules); |
| | 715 | $rules = apply_filters('rewrite_rules', $rules); // Deprecated |
| | 716 | |
| | 717 | return $rules; |
| | 718 | } |
| | 719 | |
| | 720 | //Add a straight rewrite rule |
| | 721 | function add_rule($regex, $redirect) { |
| | 722 | //get everything up to the first ? |
| | 723 | $index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?')); |
| | 724 | $front = substr($redirect, 0, $index); |
| | 725 | if ($front != $this->index) { //it doesn't redirect to WP's index.php |
| | 726 | $this->add_external_rule($regex, $redirect); |
| | 727 | } else { |
| | 728 | $this->extra_rules[$regex] = $redirect; |
| | 729 | } |
| | 730 | } |
| | 731 | |
| | 732 | //add a rule that doesn't redirect to index.php |
| | 733 | function add_external_rule($regex, $redirect) { |
| | 734 | $this->non_wp_rules[$regex] = $redirect; |
| | 735 | } |
| | 736 | |
| | 737 | //add an endpoint, like /trackback/, to be inserted after certain URL types (specified in $places) |
| | 738 | function add_endpoint($name, $places) { |
| | 739 | global $wp; |
| | 740 | $this->endpoints[] = array ( $places, $name ); |
| | 741 | $wp->add_query_var($name); |
| | 742 | } |
| | 743 | |
| | 744 | function flush_rules() { |
| | 745 | generate_page_uri_index(); |
| | 746 | delete_option('rewrite_rules'); |
| | 747 | $this->wp_rewrite_rules(); |
| | 748 | if ( function_exists('save_mod_rewrite_rules') ) |
| | 749 | save_mod_rewrite_rules(); |
| | 750 | } |
| | 751 | |
| | 752 | function init() { |
| | 753 | $this->extra_rules = $this->non_wp_rules = $this->endpoints = array(); |
| | 754 | $this->permalink_structure = get_settings('permalink_structure'); |
| | 755 | $this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%')); |
| | 756 | $this->root = ''; |
| | 757 | if ($this->using_index_permalinks()) { |
| | 758 | $this->root = $this->index . '/'; |
| | 759 | } |
| | 760 | $this->category_base = get_settings('category_base'); |
| | 761 | unset($this->category_structure); |
| | 762 | unset($this->author_structure); |
| | 763 | unset($this->date_structure); |
| | 764 | unset($this->page_structure); |
| | 765 | unset($this->search_structure); |
| | 766 | unset($this->feed_structure); |
| | 767 | unset($this->comment_feed_structure); |
| | 768 | } |
| | 769 | |
| | 770 | function set_permalink_structure($permalink_structure) { |
| | 771 | if ($permalink_structure != $this->permalink_structure) { |
| | 772 | update_option('permalink_structure', $permalink_structure); |
| | 773 | $this->init(); |
| | 774 | } |
| | 775 | } |
| | 776 | |
| | 777 | function set_category_base($category_base) { |
| | 778 | if ($category_base != $this->category_base) { |
| | 779 | update_option('category_base', $category_base); |
| | 780 | $this->init(); |
| | 781 | } |
| | 782 | } |
| | 783 | |
| | 784 | function WP_Rewrite() { |
| | 785 | $this->init(); |
| | 786 | } |
| | 787 | } |
| | 788 | |
| | 789 | ?> |
| | 790 | No newline at end of file |