]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-includes/canonical.php
Wordpress 3.1.1
[autoinstalls/wordpress.git] / wp-includes / canonical.php
index 91b394b9d1ecca2dc0ddd6809ef488ab69156f9f..d111514df7eb7388d244c6d37f9e0a83e8cc8eed 100644 (file)
  * @return null|false|string Null, if redirect not needed. False, if redirect
  *             not needed or the string of the URL
  */
  * @return null|false|string Null, if redirect not needed. False, if redirect
  *             not needed or the string of the URL
  */
-function redirect_canonical($requested_url=null, $do_redirect=true) {
+function redirect_canonical( $requested_url = null, $do_redirect = true ) {
        global $wp_rewrite, $is_IIS, $wp_query, $wpdb;
 
        global $wp_rewrite, $is_IIS, $wp_query, $wpdb;
 
-       if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || $is_IIS || ( isset($_POST) && count($_POST) ) || is_preview() || is_robots() )
+       if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || !empty($_POST) || is_preview() || is_robots() || $is_IIS )
                return;
 
        if ( !$requested_url ) {
                return;
 
        if ( !$requested_url ) {
@@ -146,26 +146,24 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
                } elseif ( is_category() || is_tag() || is_tax() ) { // Terms (Tags/categories)
 
                        $term_count = 0;
                } elseif ( is_category() || is_tag() || is_tax() ) { // Terms (Tags/categories)
 
                        $term_count = 0;
-                       foreach ( array('category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in',
-                       'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and') as $key )
-                               $term_count += count($wp_query->query_vars[$key]);
+                       foreach ( $wp_query->tax_query->queries as $tax_query )
+                               $term_count += count( $tax_query['terms'] );
 
                        $obj = $wp_query->get_queried_object();
 
                        $obj = $wp_query->get_queried_object();
-
-                       if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) )
-                                       && !is_wp_error($tax_url) && $redirect['query'] ) {
-                               if ( is_category() ) {
-                                       $redirect['query'] = remove_query_arg( array( 'category_name', 'category', 'cat'), $redirect['query']);
-                               } elseif ( is_tag() ) {
-                                       $redirect['query'] = remove_query_arg( array( 'tag', 'tag_id'), $redirect['query']);
-                               } elseif ( is_tax() ) { // Custom taxonomies will have a custom query var, remove those too:
-                                       $tax = get_taxonomy( $obj->taxonomy );
-                                       if ( false !== $tax->query_var)
-                                               $redirect['query'] = remove_query_arg($tax->query_var, $redirect['query']);
-                                       else
-                                               $redirect['query'] = remove_query_arg( array( 'term', 'taxonomy'), $redirect['query']);
+                       if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) ) && !is_wp_error($tax_url) && !empty($redirect['query']) ) {
+                               if ( !empty($redirect['query']) ) {
+                                       if ( is_category() ) {
+                                               $redirect['query'] = remove_query_arg( array( 'category_name', 'category', 'cat'), $redirect['query']);
+                                       } elseif ( is_tag() ) {
+                                               $redirect['query'] = remove_query_arg( array( 'tag', 'tag_id'), $redirect['query']);
+                                       } elseif ( is_tax() ) { // Custom taxonomies will have a custom query var, remove those too:
+                                               $tax = get_taxonomy( $obj->taxonomy );
+                                               if ( false !== $tax->query_var)
+                                                       $redirect['query'] = remove_query_arg($tax->query_var, $redirect['query']);
+                                               else
+                                                       $redirect['query'] = remove_query_arg( array( 'term', 'taxonomy'), $redirect['query']);
+                                       }
                                }
                                }
-
                                $tax_url = parse_url($tax_url);
                                if ( ! empty($tax_url['query']) ) { // Custom taxonomies may only be accessable via ?taxonomy=..&term=..
                                        parse_str($tax_url['query'], $query_vars);
                                $tax_url = parse_url($tax_url);
                                if ( ! empty($tax_url['query']) ) { // Custom taxonomies may only be accessable via ?taxonomy=..&term=..
                                        parse_str($tax_url['query'], $query_vars);
@@ -173,7 +171,6 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
                                } else { // Taxonomy is accessable via a "pretty-URL"
                                        $redirect['path'] = $tax_url['path'];
                                }
                                } else { // Taxonomy is accessable via a "pretty-URL"
                                        $redirect['path'] = $tax_url['path'];
                                }
-
                        }
                } elseif ( is_single() && strpos($wp_rewrite->permalink_structure, '%category%') !== false ) {
                        $category = get_category_by_path(get_query_var('category_name'));
                        }
                } elseif ( is_single() && strpos($wp_rewrite->permalink_structure, '%category%') !== false ) {
                        $category = get_category_by_path(get_query_var('category_name'));
@@ -190,18 +187,15 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
 
                // paging and feeds
                if ( get_query_var('paged') || is_feed() || get_query_var('cpage') ) {
 
                // paging and feeds
                if ( get_query_var('paged') || is_feed() || get_query_var('cpage') ) {
-                       if ( !$redirect_url )
-                               $redirect_url = $requested_url;
-                       $paged_redirect = @parse_url($redirect_url);
-                       while ( preg_match( '#/page/?[0-9]+?(/+)?$#', $paged_redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss|rdf|atom|rss2)(/+)?$#', $paged_redirect['path'] ) || preg_match( '#/comment-page-[0-9]+(/+)?$#', $paged_redirect['path'] ) ) {
+                       while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss|rdf|atom|rss2)(/+)?$#', $redirect['path'] ) || preg_match( '#/comment-page-[0-9]+(/+)?$#', $redirect['path'] ) ) {
                                // Strip off paging and feed
                                // Strip off paging and feed
-                               $paged_redirect['path'] = preg_replace('#/page/?[0-9]+?(/+)?$#', '/', $paged_redirect['path']); // strip off any existing paging
-                               $paged_redirect['path'] = preg_replace('#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $paged_redirect['path']); // strip off feed endings
-                               $paged_redirect['path'] = preg_replace('#/comment-page-[0-9]+?(/+)?$#', '/', $paged_redirect['path']); // strip off any existing comment paging
+                               $redirect['path'] = preg_replace("#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing paging
+                               $redirect['path'] = preg_replace('#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path']); // strip off feed endings
+                               $redirect['path'] = preg_replace('#/comment-page-[0-9]+?(/+)?$#', '/', $redirect['path']); // strip off any existing comment paging
                        }
 
                        $addl_path = '';
                        }
 
                        $addl_path = '';
-                       if ( is_feed() ) {
+                       if ( is_feed() && in_array( get_query_var('feed'), $wp_rewrite->feeds ) ) {
                                $addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : '';
                                if ( get_query_var( 'withcomments' ) )
                                        $addl_path .= 'comments/';
                                $addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : '';
                                if ( get_query_var( 'withcomments' ) )
                                        $addl_path .= 'comments/';
@@ -214,7 +208,7 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
                                $redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );
                                if ( !is_feed() ) {
                                        if ( $paged > 1 && !is_single() ) {
                                $redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );
                                if ( !is_feed() ) {
                                        if ( $paged > 1 && !is_single() ) {
-                                               $addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit("page/$paged", 'paged');
+                                               $addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit("$wp_rewrite->pagination_base/$paged", 'paged');
                                        } elseif ( !is_single() ) {
                                                $addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : '';
                                        }
                                        } elseif ( !is_single() ) {
                                                $addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : '';
                                        }
@@ -228,24 +222,29 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
                                $redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
                        }
 
                                $redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
                        }
 
-                       $paged_redirect['path'] = user_trailingslashit( preg_replace('|/index.php/?$|', '/', $paged_redirect['path']) ); // strip off trailing /index.php/
-                       if ( !empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && strpos($paged_redirect['path'], '/index.php/') === false )
-                               $paged_redirect['path'] = trailingslashit($paged_redirect['path']) . 'index.php/';
+                       $redirect['path'] = user_trailingslashit( preg_replace('|/index.php/?$|', '/', $redirect['path']) ); // strip off trailing /index.php/
+                       if ( !empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && strpos($redirect['path'], '/index.php/') === false )
+                               $redirect['path'] = trailingslashit($redirect['path']) . 'index.php/';
                        if ( !empty( $addl_path ) )
                        if ( !empty( $addl_path ) )
-                               $paged_redirect['path'] = trailingslashit($paged_redirect['path']) . $addl_path;
-                       $redirect_url = $paged_redirect['scheme'] . '://' . $paged_redirect['host'] . $paged_redirect['path'];
-                       $redirect['path'] = $paged_redirect['path'];
+                               $redirect['path'] = trailingslashit($redirect['path']) . $addl_path;
+                       $redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
                }
        }
 
        // tack on any additional query vars
        $redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
        if ( $redirect_url && !empty($redirect['query']) ) {
                }
        }
 
        // tack on any additional query vars
        $redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
        if ( $redirect_url && !empty($redirect['query']) ) {
-               if ( strpos($redirect_url, '?') !== false )
-                       $redirect_url .= '&';
-               else
-                       $redirect_url .= '?';
-               $redirect_url .= $redirect['query'];
+               parse_str( $redirect['query'], $_parsed_query );
+               $redirect = @parse_url($redirect_url);
+
+               if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) {
+                       parse_str( $redirect['query'], $_parsed_redirect_query );
+
+                       if ( empty( $_parsed_redirect_query['name'] ) )
+                               unset( $_parsed_query['name'] );
+               }
+
+               $redirect_url = add_query_arg( $_parsed_query, $redirect_url );
        }
 
        if ( $redirect_url )
        }
 
        if ( $redirect_url )
@@ -345,13 +344,13 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
 
        if ( !$redirect_url || $redirect_url == $requested_url )
                return false;
 
        if ( !$redirect_url || $redirect_url == $requested_url )
                return false;
-               
-       // Hex encoded octets are case-insensitive. 
+
+       // Hex encoded octets are case-insensitive.
        if ( false !== strpos($requested_url, '%') ) {
                if ( !function_exists('lowercase_octets') ) {
        if ( false !== strpos($requested_url, '%') ) {
                if ( !function_exists('lowercase_octets') ) {
-                       function lowercase_octets($matches) { 
-                               return strtolower( $matches[0] ); 
-                       } 
+                       function lowercase_octets($matches) {
+                               return strtolower( $matches[0] );
+                       }
                }
                $requested_url = preg_replace_callback('|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url);
        }
                }
                $requested_url = preg_replace_callback('|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url);
        }
@@ -392,7 +391,7 @@ function redirect_guess_404_permalink() {
        if ( !get_query_var('name') )
                return false;
 
        if ( !get_query_var('name') )
                return false;
 
-       $where = $wpdb->prepare("post_name LIKE %s", get_query_var('name') . '%');
+       $where = $wpdb->prepare("post_name LIKE %s", like_escape( get_query_var('name') ) . '%');
 
        // if any of post_type, year, monthnum, or day are set, use them to refine the query
        if ( get_query_var('post_type') )
 
        // if any of post_type, year, monthnum, or day are set, use them to refine the query
        if ( get_query_var('post_type') )