* one or the other.
*
* Prevents redirection for feeds, trackbacks, searches, comment popup, and
- * admin URLs. Does not redirect on IIS, page/post previews, and on form data.
+ * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+,
+ * page/post previews, WP admin, Trackbacks, robots.txt, searches, or on POST
+ * requests.
*
* Will also attempt to find the correct link when a user enters a URL that does
* not exist based on exact WordPress query. Will instead try to parse the URL
function redirect_canonical( $requested_url = null, $do_redirect = true ) {
global $wp_rewrite, $is_IIS, $wp_query, $wpdb;
- if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || !empty($_POST) || is_preview() || is_robots() || $is_IIS )
+ if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ) ) ) {
return;
+ }
+
+ // If we're not in wp-admin and the post has been published and preview nonce
+ // is non-existent or invalid then no need for preview in query
+ if ( is_preview() && get_query_var( 'p' ) && 'publish' == get_post_status( get_query_var( 'p' ) ) ) {
+ if ( ! isset( $_GET['preview_id'] )
+ || ! isset( $_GET['preview_nonce'] )
+ || ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] ) ) {
+ $wp_query->is_preview = false;
+ }
+ }
+
+ if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || is_preview() || is_robots() || ( $is_IIS && !iis7_supports_permalinks() ) ) {
+ return;
+ }
if ( !$requested_url ) {
// build the URL in the address bar
if ( !isset($redirect['query']) )
$redirect['query'] = '';
+ // It's not a preview, so remove it from URL
+ if ( get_query_var( 'preview' ) ) {
+ $redirect['query'] = remove_query_arg( 'preview', $redirect['query'] );
+ }
+
if ( is_feed() && ( $id = get_query_var( 'p' ) ) ) {
if ( $redirect_url = get_post_comments_feed_link( $id, get_query_var( 'feed' ) ) ) {
$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed'), $redirect_url );
}
}
+ if ( get_query_var( 'day' ) && get_query_var( 'monthnum' ) && get_query_var( 'year' ) ) {
+ $year = get_query_var( 'year' );
+ $month = get_query_var( 'monthnum' );
+ $day = get_query_var( 'day' );
+ $date = sprintf( '%04d-%02d-%02d', $year, $month, $day );
+ if ( ! wp_checkdate( $month, $day, $year, $date ) ) {
+ $redirect_url = get_month_link( $year, $month );
+ $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum', 'day' ), $redirect_url );
+ }
+ } elseif ( get_query_var( 'monthnum' ) && get_query_var( 'year' ) && 12 < get_query_var( 'monthnum' ) ) {
+ $redirect_url = get_year_link( get_query_var( 'year' ) );
+ $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum' ), $redirect_url );
+ }
+
if ( ! $redirect_url ) {
if ( $redirect_url = redirect_guess_404_permalink() ) {
$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url );
$redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
}
- $redirect['path'] = user_trailingslashit( preg_replace('|/index.php/?$|', '/', $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/';
+ $redirect['path'] = user_trailingslashit( preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path']) ); // strip off trailing /index.php/
+ if ( !empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && strpos($redirect['path'], '/' . $wp_rewrite->index . '/') === false )
+ $redirect['path'] = trailingslashit($redirect['path']) . $wp_rewrite->index . '/';
if ( !empty( $addl_path ) )
$redirect['path'] = trailingslashit($redirect['path']) . $addl_path;
$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
}
if ( 'wp-register.php' == basename( $redirect['path'] ) ) {
- if ( is_multisite() )
- $redirect_url = apply_filters( 'wp_signup_location', site_url( 'wp-signup.php' ) );
- else
+ if ( is_multisite() ) {
+ /** This filter is documented in wp-login.php */
+ $redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
+ } else {
$redirect_url = site_url( 'wp-login.php?action=register' );
+ }
+
wp_redirect( $redirect_url, 301 );
die();
}
unset($redirect['port']);
// trailing /index.php
- $redirect['path'] = preg_replace('|/index.php/*?$|', '/', $redirect['path']);
+ $redirect['path'] = preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path']);
// Remove trailing spaces from the path
$redirect['path'] = preg_replace( '#(%20| )+$#', '', $redirect['path'] );
$redirect['query'] = trim(preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query']), '&');
// Redirect obsolete feeds
- $redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$3', $redirect['query'] );
+ $redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] );
// Remove redundant leading ampersands
$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
// strip /index.php/ when we're not using PATHINFO permalinks
if ( !$wp_rewrite->using_index_permalinks() )
- $redirect['path'] = str_replace('/index.php/', '/', $redirect['path']);
+ $redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] );
// trailing slashes
if ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() && !is_404() && (!is_front_page() || ( is_front_page() && (get_query_var('paged') > 1) ) ) ) {
( strtolower($original['host']) != 'www.' . strtolower($redirect['host']) && 'www.' . strtolower($original['host']) != strtolower($redirect['host']) ) )
$redirect['host'] = $original['host'];
- $compare_original = array($original['host'], $original['path']);
+ $compare_original = array( $original['host'], $original['path'] );
if ( !empty( $original['port'] ) )
$compare_original[] = $original['port'];
if ( !empty( $original['query'] ) )
$compare_original[] = $original['query'];
- $compare_redirect = array($redirect['host'], $redirect['path']);
+ $compare_redirect = array( $redirect['host'], $redirect['path'] );
if ( !empty( $redirect['port'] ) )
$compare_redirect[] = $redirect['port'];
$requested_url = preg_replace_callback('|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url);
}
- // Note that you can use the "redirect_canonical" filter to cancel a canonical redirect for whatever reason by returning false
- $redirect_url = apply_filters('redirect_canonical', $redirect_url, $requested_url);
+ /**
+ * Filter the canonical redirect URL.
+ *
+ * Returning false to this filter will cancel the redirect.
+ *
+ * @since 2.3.0
+ *
+ * @param string $redirect_url The redirect URL.
+ * @param string $requested_url The requested URL.
+ */
+ $redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url );
if ( !$redirect_url || $redirect_url == $requested_url ) // yes, again -- in case the filter aborted the request
return false;
* Removes arguments from a query string if they are not present in a URL
* DO NOT use this in plugin code.
*
- * @since 3.4
+ * @since 3.4.0
* @access private
*
* @return string The altered query string
global $wpdb, $wp_rewrite;
if ( get_query_var('name') ) {
- $where = $wpdb->prepare("post_name LIKE %s", like_escape( get_query_var('name') ) . '%');
+ $where = $wpdb->prepare("post_name LIKE %s", $wpdb->esc_like( 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') )
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff