904 lines
28 KiB
PHP
904 lines
28 KiB
PHP
<?php
|
|
|
|
/* WP_Rewrite API
|
|
*******************************************************************************/
|
|
|
|
//Add a straight rewrite rule
|
|
function add_rewrite_rule($regex, $redirect) {
|
|
global $wp_rewrite;
|
|
$wp_rewrite->add_rule($regex, $redirect);
|
|
}
|
|
|
|
//Add a new tag (like %postname%)
|
|
//warning: you must call this on init or earlier, otherwise the query var addition stuff won't work
|
|
function add_rewrite_tag($tagname, $regex) {
|
|
//validation
|
|
if (strlen($tagname) < 3 || $tagname{0} != '%' || $tagname{strlen($tagname)-1} != '%') {
|
|
return;
|
|
}
|
|
|
|
$qv = trim($tagname, '%');
|
|
|
|
global $wp_rewrite, $wp;
|
|
$wp->add_query_var($qv);
|
|
$wp_rewrite->add_rewrite_tag($tagname, $regex, $qv . '=');
|
|
}
|
|
|
|
//Add a new feed type like /atom1/
|
|
function add_feed($feedname, $function) {
|
|
global $wp_rewrite;
|
|
if (!in_array($feedname, $wp_rewrite->feeds)) { //override the file if it is
|
|
$wp_rewrite->feeds[] = $feedname;
|
|
}
|
|
$hook = 'do_feed_' . $feedname;
|
|
remove_action($hook, $function, 10, 1);
|
|
add_action($hook, $function, 10, 1);
|
|
return $hook;
|
|
}
|
|
|
|
define('EP_PERMALINK', 1 );
|
|
define('EP_ATTACHMENT', 2 );
|
|
define('EP_DATE', 4 );
|
|
define('EP_YEAR', 8 );
|
|
define('EP_MONTH', 16 );
|
|
define('EP_DAY', 32 );
|
|
define('EP_ROOT', 64 );
|
|
define('EP_COMMENTS', 128 );
|
|
define('EP_SEARCH', 256 );
|
|
define('EP_CATEGORIES', 512 );
|
|
define('EP_AUTHORS', 1024);
|
|
define('EP_PAGES', 2048);
|
|
//pseudo-places
|
|
define('EP_NONE', 0 );
|
|
define('EP_ALL', 4095);
|
|
|
|
//and an endpoint, like /trackback/
|
|
function add_rewrite_endpoint($name, $places) {
|
|
global $wp_rewrite;
|
|
$wp_rewrite->add_endpoint($name, $places);
|
|
}
|
|
|
|
// examine a url (supposedly from this blog) and try to
|
|
// determine the post ID it represents.
|
|
function url_to_postid($url) {
|
|
global $wp_rewrite;
|
|
|
|
$url = apply_filters('url_to_postid', $url);
|
|
|
|
// First, check to see if there is a 'p=N' or 'page_id=N' to match against
|
|
preg_match('#[?&](p|page_id)=(\d+)#', $url, $values);
|
|
$id = intval($values[2]);
|
|
if ( $id ) return $id;
|
|
|
|
// Check to see if we are using rewrite rules
|
|
$rewrite = $wp_rewrite->wp_rewrite_rules();
|
|
|
|
// Not using rewrite rules, and 'p=N' and 'page_id=N' methods failed, so we're out of options
|
|
if ( empty($rewrite) )
|
|
return 0;
|
|
|
|
// $url cleanup by Mark Jaquith
|
|
// This fixes things like #anchors, ?query=strings, missing 'www.',
|
|
// added 'www.', or added 'index.php/' that will mess up our WP_Query
|
|
// and return a false negative
|
|
|
|
// Get rid of the #anchor
|
|
$url_split = explode('#', $url);
|
|
$url = $url_split[0];
|
|
|
|
// Get rid of URL ?query=string
|
|
$url_split = explode('?', $url);
|
|
$url = $url_split[0];
|
|
|
|
// Add 'www.' if it is absent and should be there
|
|
if ( false !== strpos(get_option('home'), '://www.') && false === strpos($url, '://www.') )
|
|
$url = str_replace('://', '://www.', $url);
|
|
|
|
// Strip 'www.' if it is present and shouldn't be
|
|
if ( false === strpos(get_option('home'), '://www.') )
|
|
$url = str_replace('://www.', '://', $url);
|
|
|
|
// Strip 'index.php/' if we're not using path info permalinks
|
|
if ( !$wp_rewrite->using_index_permalinks() )
|
|
$url = str_replace('index.php/', '', $url);
|
|
|
|
if ( false !== strpos($url, get_option('home')) ) {
|
|
// Chop off http://domain.com
|
|
$url = str_replace(get_option('home'), '', $url);
|
|
} else {
|
|
// Chop off /path/to/blog
|
|
$home_path = parse_url(get_option('home'));
|
|
$home_path = $home_path['path'];
|
|
$url = str_replace($home_path, '', $url);
|
|
}
|
|
|
|
// Trim leading and lagging slashes
|
|
$url = trim($url, '/');
|
|
|
|
$request = $url;
|
|
|
|
// Done with cleanup
|
|
|
|
// Look for matches.
|
|
$request_match = $request;
|
|
foreach ($rewrite as $match => $query) {
|
|
// If the requesting file is the anchor of the match, prepend it
|
|
// to the path info.
|
|
if ( (! empty($url)) && (strpos($match, $url) === 0) ) {
|
|
$request_match = $url . '/' . $request;
|
|
}
|
|
|
|
if ( preg_match("!^$match!", $request_match, $matches) ) {
|
|
// Got a match.
|
|
// Trim the query of everything up to the '?'.
|
|
$query = preg_replace("!^.+\?!", '', $query);
|
|
|
|
// Substitute the substring matches into the query.
|
|
eval("\$query = \"$query\";");
|
|
$query = new WP_Query($query);
|
|
if ( $query->is_single || $query->is_page )
|
|
return $query->post->ID;
|
|
else
|
|
return 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* WP_Rewrite class
|
|
*******************************************************************************/
|
|
|
|
class WP_Rewrite {
|
|
var $permalink_structure;
|
|
var $use_trailing_slashes;
|
|
var $category_base;
|
|
var $category_structure;
|
|
var $author_base = 'author';
|
|
var $author_structure;
|
|
var $date_structure;
|
|
var $page_structure;
|
|
var $search_base = 'search';
|
|
var $search_structure;
|
|
var $comments_base = 'comments';
|
|
var $feed_base = 'feed';
|
|
var $comments_feed_structure;
|
|
var $feed_structure;
|
|
var $front;
|
|
var $root = '';
|
|
var $index = 'index.php';
|
|
var $matches = '';
|
|
var $rules;
|
|
var $extra_rules; //those not generated by the class, see add_rewrite_rule()
|
|
var $non_wp_rules; //rules that don't redirect to WP's index.php
|
|
var $endpoints;
|
|
var $use_verbose_rules = false;
|
|
var $rewritecode =
|
|
array(
|
|
'%year%',
|
|
'%monthnum%',
|
|
'%day%',
|
|
'%hour%',
|
|
'%minute%',
|
|
'%second%',
|
|
'%postname%',
|
|
'%post_id%',
|
|
'%category%',
|
|
'%author%',
|
|
'%pagename%',
|
|
'%search%'
|
|
);
|
|
|
|
var $rewritereplace =
|
|
array(
|
|
'([0-9]{4})',
|
|
'([0-9]{1,2})',
|
|
'([0-9]{1,2})',
|
|
'([0-9]{1,2})',
|
|
'([0-9]{1,2})',
|
|
'([0-9]{1,2})',
|
|
'([^/]+)',
|
|
'([0-9]+)',
|
|
'(.+?)',
|
|
'([^/]+)',
|
|
'([^/]+)',
|
|
'(.+)'
|
|
);
|
|
|
|
var $queryreplace =
|
|
array (
|
|
'year=',
|
|
'monthnum=',
|
|
'day=',
|
|
'hour=',
|
|
'minute=',
|
|
'second=',
|
|
'name=',
|
|
'p=',
|
|
'category_name=',
|
|
'author_name=',
|
|
'pagename=',
|
|
's='
|
|
);
|
|
|
|
var $feeds = array ( 'feed', 'rdf', 'rss', 'rss2', 'atom' );
|
|
|
|
function using_permalinks() {
|
|
if (empty($this->permalink_structure))
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
function using_index_permalinks() {
|
|
if (empty($this->permalink_structure)) {
|
|
return false;
|
|
}
|
|
|
|
// If the index is not in the permalink, we're using mod_rewrite.
|
|
if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function using_mod_rewrite_permalinks() {
|
|
if ( $this->using_permalinks() && ! $this->using_index_permalinks())
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
function preg_index($number) {
|
|
$match_prefix = '$';
|
|
$match_suffix = '';
|
|
|
|
if (! empty($this->matches)) {
|
|
$match_prefix = '$' . $this->matches . '[';
|
|
$match_suffix = ']';
|
|
}
|
|
|
|
return "$match_prefix$number$match_suffix";
|
|
}
|
|
|
|
function page_rewrite_rules() {
|
|
$uris = get_option('page_uris');
|
|
$attachment_uris = get_option('page_attachment_uris');
|
|
|
|
$rewrite_rules = array();
|
|
$page_structure = $this->get_page_permastruct();
|
|
if( is_array( $attachment_uris ) ) {
|
|
foreach ($attachment_uris as $uri => $pagename) {
|
|
$this->add_rewrite_tag('%pagename%', "($uri)", 'attachment=');
|
|
$rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES));
|
|
}
|
|
}
|
|
if( is_array( $uris ) ) {
|
|
foreach ($uris as $uri => $pagename) {
|
|
$this->add_rewrite_tag('%pagename%', "($uri)", 'pagename=');
|
|
$rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES));
|
|
}
|
|
}
|
|
|
|
return $rewrite_rules;
|
|
}
|
|
|
|
function get_date_permastruct() {
|
|
if (isset($this->date_structure)) {
|
|
return $this->date_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->date_structure = '';
|
|
return false;
|
|
}
|
|
|
|
// The date permalink must have year, month, and day separated by slashes.
|
|
$endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%');
|
|
|
|
$this->date_structure = '';
|
|
$date_endian = '';
|
|
|
|
foreach ($endians as $endian) {
|
|
if (false !== strpos($this->permalink_structure, $endian)) {
|
|
$date_endian= $endian;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( empty($date_endian) )
|
|
$date_endian = '%year%/%monthnum%/%day%';
|
|
|
|
// Do not allow the date tags and %post_id% to overlap in the permalink
|
|
// structure. If they do, move the date tags to $front/date/.
|
|
$front = $this->front;
|
|
preg_match_all('/%.+?%/', $this->permalink_structure, $tokens);
|
|
$tok_index = 1;
|
|
foreach ($tokens[0] as $token) {
|
|
if ( ($token == '%post_id%') && ($tok_index <= 3) ) {
|
|
$front = $front . 'date/';
|
|
break;
|
|
}
|
|
$tok_index++;
|
|
}
|
|
|
|
$this->date_structure = $front . $date_endian;
|
|
|
|
return $this->date_structure;
|
|
}
|
|
|
|
function get_year_permastruct() {
|
|
$structure = $this->get_date_permastruct($this->permalink_structure);
|
|
|
|
if (empty($structure)) {
|
|
return false;
|
|
}
|
|
|
|
$structure = str_replace('%monthnum%', '', $structure);
|
|
$structure = str_replace('%day%', '', $structure);
|
|
|
|
$structure = preg_replace('#/+#', '/', $structure);
|
|
|
|
return $structure;
|
|
}
|
|
|
|
function get_month_permastruct() {
|
|
$structure = $this->get_date_permastruct($this->permalink_structure);
|
|
|
|
if (empty($structure)) {
|
|
return false;
|
|
}
|
|
|
|
$structure = str_replace('%day%', '', $structure);
|
|
|
|
$structure = preg_replace('#/+#', '/', $structure);
|
|
|
|
return $structure;
|
|
}
|
|
|
|
function get_day_permastruct() {
|
|
return $this->get_date_permastruct($this->permalink_structure);
|
|
}
|
|
|
|
function get_category_permastruct() {
|
|
if (isset($this->category_structure)) {
|
|
return $this->category_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->category_structure = '';
|
|
return false;
|
|
}
|
|
|
|
if (empty($this->category_base))
|
|
$this->category_structure = $this->front . 'category/';
|
|
else
|
|
$this->category_structure = $this->category_base . '/';
|
|
|
|
$this->category_structure .= '%category%';
|
|
|
|
return $this->category_structure;
|
|
}
|
|
|
|
function get_author_permastruct() {
|
|
if (isset($this->author_structure)) {
|
|
return $this->author_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->author_structure = '';
|
|
return false;
|
|
}
|
|
|
|
$this->author_structure = $this->front . $this->author_base . '/%author%';
|
|
|
|
return $this->author_structure;
|
|
}
|
|
|
|
function get_search_permastruct() {
|
|
if (isset($this->search_structure)) {
|
|
return $this->search_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->search_structure = '';
|
|
return false;
|
|
}
|
|
|
|
$this->search_structure = $this->root . $this->search_base . '/%search%';
|
|
|
|
return $this->search_structure;
|
|
}
|
|
|
|
function get_page_permastruct() {
|
|
if (isset($this->page_structure)) {
|
|
return $this->page_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->page_structure = '';
|
|
return false;
|
|
}
|
|
|
|
$this->page_structure = $this->root . '%pagename%';
|
|
|
|
return $this->page_structure;
|
|
}
|
|
|
|
function get_feed_permastruct() {
|
|
if (isset($this->feed_structure)) {
|
|
return $this->feed_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->feed_structure = '';
|
|
return false;
|
|
}
|
|
|
|
$this->feed_structure = $this->root . $this->feed_base . '/%feed%';
|
|
|
|
return $this->feed_structure;
|
|
}
|
|
|
|
function get_comment_feed_permastruct() {
|
|
if (isset($this->comment_feed_structure)) {
|
|
return $this->comment_feed_structure;
|
|
}
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
$this->comment_feed_structure = '';
|
|
return false;
|
|
}
|
|
|
|
$this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%';
|
|
|
|
return $this->comment_feed_structure;
|
|
}
|
|
|
|
function add_rewrite_tag($tag, $pattern, $query) {
|
|
// If the tag already exists, replace the existing pattern and query for
|
|
// that tag, otherwise add the new tag, pattern, and query to the end of
|
|
// the arrays.
|
|
$position = array_search($tag, $this->rewritecode);
|
|
if (FALSE !== $position && NULL !== $position) {
|
|
$this->rewritereplace[$position] = $pattern;
|
|
$this->queryreplace[$position] = $query;
|
|
} else {
|
|
$this->rewritecode[] = $tag;
|
|
$this->rewritereplace[] = $pattern;
|
|
$this->queryreplace[] = $query;
|
|
}
|
|
}
|
|
|
|
//the main WP_Rewrite function. generate the rules from permalink structure
|
|
function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) {
|
|
//build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/?
|
|
$feedregex2 = '';
|
|
foreach ($this->feeds as $feed_name) {
|
|
$feedregex2 .= $feed_name . '|';
|
|
}
|
|
$feedregex2 = '(' . trim($feedregex2, '|') . ')/?$';
|
|
//$feedregex is identical but with /feed/ added on as well, so URLs like <permalink>/feed/atom
|
|
//and <permalink>/atom are both possible
|
|
$feedregex = $this->feed_base . '/' . $feedregex2;
|
|
|
|
//build a regex to match the trackback and page/xx parts of URLs
|
|
$trackbackregex = 'trackback/?$';
|
|
$pageregex = 'page/?([0-9]{1,})/?$';
|
|
|
|
//build up an array of endpoint regexes to append => queries to append
|
|
if ($endpoints) {
|
|
$ep_query_append = array ();
|
|
foreach ($this->endpoints as $endpoint) {
|
|
//match everything after the endpoint name, but allow for nothing to appear there
|
|
$epmatch = $endpoint[1] . '(/(.*))?/?$';
|
|
//this will be appended on to the rest of the query for each dir
|
|
$epquery = '&' . $endpoint[1] . '=';
|
|
$ep_query_append[$epmatch] = array ( $endpoint[0], $epquery );
|
|
}
|
|
}
|
|
|
|
//get everything up to the first rewrite tag
|
|
$front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
|
|
//build an array of the tags (note that said array ends up being in $tokens[0])
|
|
preg_match_all('/%.+?%/', $permalink_structure, $tokens);
|
|
|
|
$num_tokens = count($tokens[0]);
|
|
|
|
$index = $this->index; //probably 'index.php'
|
|
$feedindex = $index;
|
|
$trackbackindex = $index;
|
|
//build a list from the rewritecode and queryreplace arrays, that will look something like
|
|
//tagname=$matches[i] where i is the current $i
|
|
for ($i = 0; $i < $num_tokens; ++$i) {
|
|
if (0 < $i) {
|
|
$queries[$i] = $queries[$i - 1] . '&';
|
|
}
|
|
|
|
$query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1);
|
|
$queries[$i] .= $query_token;
|
|
}
|
|
|
|
//get the structure, minus any cruft (stuff that isn't tags) at the front
|
|
$structure = $permalink_structure;
|
|
if ($front != '/') {
|
|
$structure = str_replace($front, '', $structure);
|
|
}
|
|
//create a list of dirs to walk over, making rewrite rules for each level
|
|
//so for example, a $structure of /%year%/%month%/%postname% would create
|
|
//rewrite rules for /%year%/, /%year%/%month%/ and /%year%/%month%/%postname%
|
|
$structure = trim($structure, '/');
|
|
if ($walk_dirs) {
|
|
$dirs = explode('/', $structure);
|
|
} else {
|
|
$dirs[] = $structure;
|
|
}
|
|
$num_dirs = count($dirs);
|
|
|
|
//strip slashes from the front of $front
|
|
$front = preg_replace('|^/+|', '', $front);
|
|
|
|
//the main workhorse loop
|
|
$post_rewrite = array();
|
|
$struct = $front;
|
|
for ($j = 0; $j < $num_dirs; ++$j) {
|
|
//get the struct for this dir, and trim slashes off the front
|
|
$struct .= $dirs[$j] . '/'; //accumulate. see comment near explode('/', $structure) above
|
|
$struct = ltrim($struct, '/');
|
|
//replace tags with regexes
|
|
$match = str_replace($this->rewritecode, $this->rewritereplace, $struct);
|
|
//make a list of tags, and store how many there are in $num_toks
|
|
$num_toks = preg_match_all('/%.+?%/', $struct, $toks);
|
|
//get the 'tagname=$matches[i]'
|
|
$query = $queries[$num_toks - 1];
|
|
|
|
//set up $ep_mask_specific which is used to match more specific URL types
|
|
switch ($dirs[$j]) {
|
|
case '%year%': $ep_mask_specific = EP_YEAR; break;
|
|
case '%monthnum%': $ep_mask_specific = EP_MONTH; break;
|
|
case '%day%': $ep_mask_specific = EP_DAY; break;
|
|
}
|
|
|
|
//create query for /page/xx
|
|
$pagematch = $match . $pageregex;
|
|
$pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1);
|
|
|
|
//create query for /feed/(feed|atom|rss|rss2|rdf)
|
|
$feedmatch = $match . $feedregex;
|
|
$feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
|
|
|
|
//create query for /(feed|atom|rss|rss2|rdf) (see comment near creation of $feedregex)
|
|
$feedmatch2 = $match . $feedregex2;
|
|
$feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
|
|
|
|
//if asked to, turn the feed queries into comment feed ones
|
|
if ($forcomments) {
|
|
$feedquery .= '&withcomments=1';
|
|
$feedquery2 .= '&withcomments=1';
|
|
}
|
|
|
|
//start creating the array of rewrites for this dir
|
|
$rewrite = array();
|
|
if ($feed) //...adding on /feed/ regexes => queries
|
|
$rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2);
|
|
if ($paged) //...and /page/xx ones
|
|
$rewrite = array_merge($rewrite, array($pagematch => $pagequery));
|
|
|
|
//do endpoints
|
|
if ($endpoints) {
|
|
foreach ($ep_query_append as $regex => $ep) {
|
|
//add the endpoints on if the mask fits
|
|
if ($ep[0] & $ep_mask || $ep[0] & $ep_mask_specific) {
|
|
$rewrite[$match . $regex] = $index . '?' . $query . $ep[1] . $this->preg_index($num_toks + 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
//if we've got some tags in this dir
|
|
if ($num_toks) {
|
|
$post = false;
|
|
$page = false;
|
|
|
|
//check to see if this dir is permalink-level: i.e. the structure specifies an
|
|
//individual post. Do this by checking it contains at least one of 1) post name,
|
|
//2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and
|
|
//minute all present). Set these flags now as we need them for the endpoints.
|
|
if (strpos($struct, '%postname%') !== false || strpos($struct, '%post_id%') !== false
|
|
|| strpos($struct, '%pagename%') !== false
|
|
|| (strpos($struct, '%year%') !== false && strpos($struct, '%monthnum%') !== false && strpos($struct, '%day%') !== false && strpos($struct, '%hour%') !== false && strpos($struct, '%minute%') !== false && strpos($struct, '%second%') !== false)) {
|
|
$post = true;
|
|
if (strpos($struct, '%pagename%') !== false)
|
|
$page = true;
|
|
}
|
|
|
|
//if we're creating rules for a permalink, do all the endpoints like attachments etc
|
|
if ($post) {
|
|
$post = true;
|
|
//create query and regex for trackback
|
|
$trackbackmatch = $match . $trackbackregex;
|
|
$trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
|
|
//trim slashes from the end of the regex for this dir
|
|
$match = rtrim($match, '/');
|
|
//get rid of brackets
|
|
$submatchbase = str_replace(array('(',')'),'',$match);
|
|
|
|
//add a rule for at attachments, which take the form of <permalink>/some-text
|
|
$sub1 = $submatchbase . '/([^/]+)/';
|
|
$sub1tb = $sub1 . $trackbackregex; //add trackback regex <permalink>/trackback/...
|
|
$sub1feed = $sub1 . $feedregex; //and <permalink>/feed/(atom|...)
|
|
$sub1feed2 = $sub1 . $feedregex2; //and <permalink>/(feed|atom...)
|
|
//add an ? as we don't have to match that last slash, and finally a $ so we
|
|
//match to the end of the URL
|
|
|
|
//add another rule to match attachments in the explicit form:
|
|
//<permalink>/attachment/some-text
|
|
$sub2 = $submatchbase . '/attachment/([^/]+)/';
|
|
$sub2tb = $sub2 . $trackbackregex; //and add trackbacks <permalink>/attachment/trackback
|
|
$sub2feed = $sub2 . $feedregex; //feeds, <permalink>/attachment/feed/(atom|...)
|
|
$sub2feed2 = $sub2 . $feedregex2; //and feeds again on to this <permalink>/attachment/(feed|atom...)
|
|
|
|
//create queries for these extra tag-ons we've just dealt with
|
|
$subquery = $index . '?attachment=' . $this->preg_index(1);
|
|
$subtbquery = $subquery . '&tb=1';
|
|
$subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
|
|
|
|
//do endpoints for attachments
|
|
if ($endpoint) { foreach ($ep_query_append as $regex => $ep) {
|
|
if ($ep[0] & EP_ATTACHMENT) {
|
|
$rewrite[$sub1 . $regex] = $subquery . '?' . $ep[1] . $this->preg_index(2);
|
|
$rewrite[$sub2 . $regex] = $subquery . '?' . $ep[1] . $this->preg_index(2);
|
|
}
|
|
} }
|
|
|
|
//now we've finished with endpoints, finish off the $sub1 and $sub2 matches
|
|
$sub1 .= '?$';
|
|
$sub2 .= '?$';
|
|
|
|
//allow URLs like <permalink>/2 for <permalink>/page/2
|
|
$match = $match . '(/[0-9]+)?/?$';
|
|
$query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
|
|
} else { //not matching a permalink so this is a lot simpler
|
|
//close the match and finalise the query
|
|
$match .= '?$';
|
|
$query = $index . '?' . $query;
|
|
}
|
|
|
|
//create the final array for this dir by joining the $rewrite array (which currently
|
|
//only contains rules/queries for trackback, pages etc) to the main regex/query for
|
|
//this dir
|
|
$rewrite = array_merge($rewrite, array($match => $query));
|
|
|
|
//if we're matching a permalink, add those extras (attachments etc) on
|
|
if ($post) {
|
|
//add trackback
|
|
$rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite);
|
|
|
|
//add regexes/queries for attachments, attachment trackbacks and so on
|
|
if ( ! $page ) //require <permalink>/attachment/stuff form for pages because of confusion with subpages
|
|
$rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery));
|
|
$rewrite = array_merge($rewrite, array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery));
|
|
}
|
|
} //if($num_toks)
|
|
//add the rules for this dir to the accumulating $post_rewrite
|
|
$post_rewrite = array_merge($rewrite, $post_rewrite);
|
|
} //foreach ($dir)
|
|
return $post_rewrite; //the finished rules. phew!
|
|
}
|
|
|
|
function generate_rewrite_rule($permalink_structure, $walk_dirs = false) {
|
|
return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs);
|
|
}
|
|
|
|
/* rewrite_rules
|
|
* Construct rewrite matches and queries from permalink structure.
|
|
* Returns an associate array of matches and queries.
|
|
*/
|
|
function rewrite_rules() {
|
|
$rewrite = array();
|
|
|
|
if (empty($this->permalink_structure)) {
|
|
return $rewrite;
|
|
}
|
|
|
|
// robots.txt
|
|
$robots_rewrite = array('robots.txt$' => $this->index . '?robots=1');
|
|
|
|
//Default Feed rules - These are require to allow for the direct access files to work with permalink structure starting with %category%
|
|
$default_feeds = array( 'wp-atom.php$' => $this->index .'?feed=atom',
|
|
'wp-rdf.php$' => $this->index .'?feed=rdf',
|
|
'wp-rss.php$' => $this->index .'?feed=rss',
|
|
'wp-rss2.php$' => $this->index .'?feed=rss2',
|
|
'wp-feed.php$' => $this->index .'?feed=feed',
|
|
'wp-commentsrss2.php$' => $this->index . '?feed=rss2&withcomments=1');
|
|
|
|
// Post
|
|
$post_rewrite = $this->generate_rewrite_rules($this->permalink_structure, EP_PERMALINK);
|
|
$post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite);
|
|
|
|
// Date
|
|
$date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct(), EP_DATE);
|
|
$date_rewrite = apply_filters('date_rewrite_rules', $date_rewrite);
|
|
|
|
// Root
|
|
$root_rewrite = $this->generate_rewrite_rules($this->root . '/', EP_ROOT);
|
|
$root_rewrite = apply_filters('root_rewrite_rules', $root_rewrite);
|
|
|
|
// Comments
|
|
$comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, EP_COMMENTS, true, true, true, false);
|
|
$comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite);
|
|
|
|
// Search
|
|
$search_structure = $this->get_search_permastruct();
|
|
$search_rewrite = $this->generate_rewrite_rules($search_structure, EP_SEARCH);
|
|
$search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite);
|
|
|
|
// Categories
|
|
$category_rewrite = $this->generate_rewrite_rules($this->get_category_permastruct(), EP_CATEGORIES);
|
|
$category_rewrite = apply_filters('category_rewrite_rules', $category_rewrite);
|
|
|
|
// Authors
|
|
$author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct(), EP_AUTHORS);
|
|
$author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite);
|
|
|
|
// Pages
|
|
$page_rewrite = $this->page_rewrite_rules();
|
|
$page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite);
|
|
|
|
// Put them together.
|
|
$this->rules = array_merge($robots_rewrite, $default_feeds, $page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $this->extra_rules);
|
|
|
|
do_action_ref_array('generate_rewrite_rules', array(&$this));
|
|
$this->rules = apply_filters('rewrite_rules_array', $this->rules);
|
|
|
|
return $this->rules;
|
|
}
|
|
|
|
function wp_rewrite_rules() {
|
|
$this->rules = get_option('rewrite_rules');
|
|
if ( empty($this->rules) ) {
|
|
$this->matches = 'matches';
|
|
$this->rewrite_rules();
|
|
update_option('rewrite_rules', $this->rules);
|
|
}
|
|
|
|
return $this->rules;
|
|
}
|
|
|
|
function mod_rewrite_rules() {
|
|
if ( ! $this->using_permalinks()) {
|
|
return '';
|
|
}
|
|
|
|
$site_root = parse_url(get_option('siteurl'));
|
|
$site_root = trailingslashit($site_root['path']);
|
|
|
|
$home_root = parse_url(get_option('home'));
|
|
$home_root = trailingslashit($home_root['path']);
|
|
|
|
$rules = "<IfModule mod_rewrite.c>\n";
|
|
$rules .= "RewriteEngine On\n";
|
|
$rules .= "RewriteBase $home_root\n";
|
|
|
|
//add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all)
|
|
foreach ($this->non_wp_rules as $match => $query) {
|
|
// Apache 1.3 does not support the reluctant (non-greedy) modifier.
|
|
$match = str_replace('.+?', '.+', $match);
|
|
|
|
// If the match is unanchored and greedy, prepend rewrite conditions
|
|
// to avoid infinite redirects and eclipsing of real files.
|
|
if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) {
|
|
//nada.
|
|
}
|
|
|
|
$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
|
|
}
|
|
|
|
if ($this->use_verbose_rules) {
|
|
$this->matches = '';
|
|
$rewrite = $this->rewrite_rules();
|
|
$num_rules = count($rewrite);
|
|
$rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" .
|
|
"RewriteCond %{REQUEST_FILENAME} -d\n" .
|
|
"RewriteRule ^.*$ - [S=$num_rules]\n";
|
|
|
|
foreach ($rewrite as $match => $query) {
|
|
// Apache 1.3 does not support the reluctant (non-greedy) modifier.
|
|
$match = str_replace('.+?', '.+', $match);
|
|
|
|
// If the match is unanchored and greedy, prepend rewrite conditions
|
|
// to avoid infinite redirects and eclipsing of real files.
|
|
if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) {
|
|
//nada.
|
|
}
|
|
|
|
if (strpos($query, $this->index) !== false) {
|
|
$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
|
|
} else {
|
|
$rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n";
|
|
}
|
|
}
|
|
} else {
|
|
$rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" .
|
|
"RewriteCond %{REQUEST_FILENAME} !-d\n" .
|
|
"RewriteRule . {$home_root}{$this->index} [L]\n";
|
|
}
|
|
|
|
$rules .= "</IfModule>\n";
|
|
|
|
$rules = apply_filters('mod_rewrite_rules', $rules);
|
|
$rules = apply_filters('rewrite_rules', $rules); // Deprecated
|
|
|
|
return $rules;
|
|
}
|
|
|
|
//Add a straight rewrite rule
|
|
function add_rule($regex, $redirect) {
|
|
//get everything up to the first ?
|
|
$index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?'));
|
|
$front = substr($redirect, 0, $index);
|
|
if ($front != $this->index) { //it doesn't redirect to WP's index.php
|
|
$this->add_external_rule($regex, $redirect);
|
|
} else {
|
|
$this->extra_rules[$regex] = $redirect;
|
|
}
|
|
}
|
|
|
|
//add a rule that doesn't redirect to index.php
|
|
function add_external_rule($regex, $redirect) {
|
|
$this->non_wp_rules[$regex] = $redirect;
|
|
}
|
|
|
|
//add an endpoint, like /trackback/, to be inserted after certain URL types (specified in $places)
|
|
function add_endpoint($name, $places) {
|
|
global $wp;
|
|
$this->endpoints[] = array ( $places, $name );
|
|
$wp->add_query_var($name);
|
|
}
|
|
|
|
function flush_rules() {
|
|
generate_page_uri_index();
|
|
delete_option('rewrite_rules');
|
|
$this->wp_rewrite_rules();
|
|
if ( function_exists('save_mod_rewrite_rules') )
|
|
save_mod_rewrite_rules();
|
|
}
|
|
|
|
function init() {
|
|
$this->extra_rules = $this->non_wp_rules = $this->endpoints = array();
|
|
$this->permalink_structure = get_option('permalink_structure');
|
|
$this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%'));
|
|
$this->root = '';
|
|
if ($this->using_index_permalinks()) {
|
|
$this->root = $this->index . '/';
|
|
}
|
|
$this->category_base = get_option('category_base');
|
|
unset($this->category_structure);
|
|
unset($this->author_structure);
|
|
unset($this->date_structure);
|
|
unset($this->page_structure);
|
|
unset($this->search_structure);
|
|
unset($this->feed_structure);
|
|
unset($this->comment_feed_structure);
|
|
$this->use_trailing_slashes = ( substr($this->permalink_structure, -1, 1) == '/' ) ? true : false;
|
|
}
|
|
|
|
function set_permalink_structure($permalink_structure) {
|
|
if ($permalink_structure != $this->permalink_structure) {
|
|
update_option('permalink_structure', $permalink_structure);
|
|
$this->init();
|
|
}
|
|
}
|
|
|
|
function set_category_base($category_base) {
|
|
if ($category_base != $this->category_base) {
|
|
update_option('category_base', $category_base);
|
|
$this->init();
|
|
}
|
|
}
|
|
|
|
function WP_Rewrite() {
|
|
$this->init();
|
|
}
|
|
}
|
|
|
|
?>
|