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Make Canonical feeds and paging play nice with each other and with PATHINFO URL structures. fixes #8076 

git-svn-id: http://svn.automattic.com/wordpress/trunk@9697 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
markjaquith 2008-11-14 22:48:22 +00:00
parent 8f19010b2d
commit 04d45cb1f3
1 changed files with 28 additions and 19 deletions
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47
wp-includes/canonical.php
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@ -133,40 +133,49 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
if ( !$redirect_url )
$redirect_url = $requested_url;
$paged_redirect = @parse_url($redirect_url);
while ( preg_match( '#page/[0-9]+?(/+)?$#', $paged_redirect['path'] ) || preg_match( '#/feed(/[a-z0-9-]*?(/+)?)?$#', $paged_redirect['path'] ) || preg_match( '#comment-page-[0-9]+/?$#', $paged_redirect['path'] ) ) {
while ( preg_match( '#/page/[0-9]+?(/+)?$#', $paged_redirect['path'] ) || preg_match( '#/(feed|rss|rdf|atom|rss2)(/+)?$#', $paged_redirect['path'] ) || preg_match( '#/comment-page-[0-9]+(/+)?$#', $paged_redirect['path'] ) ) {
// Strip off paging and feed
$paged_redirect['path'] = preg_replace('#/page/[0-9]+?(/+)?$#', '/', $paged_redirect['path']); // strip off any existing paging
$paged_redirect['path'] = preg_replace('#/feed(/[a-z0-9-]*?(/+)?)?$#', '/', $paged_redirect['path']); // strip off any existing feed
$paged_redirect['path'] = preg_replace('#comment-page-[0-9]+?(/+)?$#', '/', $paged_redirect['path']); // strip off any existing comment paging
$paged_redirect['path'] = preg_replace('#/(feed|rss2?|rdf|atom)(/+)?$#', '/', $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
}
$addl_path = '';
if ( is_feed() ) {
$addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit( 'feed/' . ( ( 'rss2' == get_query_var('feed') || 'feed' == get_query_var('feed') ) ? '' : get_query_var('feed') ), 'feed' );
$redirect['query'] = remove_query_arg( 'feed', $redirect['query'] );
}
$paged_redirect['path'] = preg_replace('|/index.php/?$|', '/', $paged_redirect['path']); // strip off trailing /index.php/
if ( get_query_var('paged') > 0 ) {
$paged = get_query_var('paged');
if ( $paged > 1 && !is_single() ) {
$paged_redirect['path'] = trailingslashit($paged_redirect['path']);
if ( $wp_rewrite->using_index_permalinks() && strpos($paged_redirect['path'], '/index.php/') === false )
$paged_redirect['path'] .= 'index.php/';
$paged_redirect['path'] .= user_trailingslashit("page/$paged", 'paged');
} elseif ( !is_single() ) {
$paged_redirect['path'] = user_trailingslashit($paged_redirect['path'], 'paged');
$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');
} elseif ( !is_single() ) {
$addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit($paged_redirect['path'], 'paged');
}
} elseif ( $paged > 1 ) {
$redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] );
}
}
if ( is_feed() ) {
$paged_redirect['path'] = user_trailingslashit( trailingslashit( $paged_redirect['path'] ) . 'feed/' . ( ( 'rss2' == get_query_var('feed') || 'feed' == get_query_var('feed') ) ? '' : get_query_var('feed') ), 'feed' );
}
if ( get_option('page_comments') && ( ( 'newest' == get_option('default_comments_page') && get_query_var('cpage') > 0 ) || ( 'newest' != get_option('default_comments_page') && get_query_var('cpage') > 1 ) ) ) {
$paged_redirect['path'] = user_trailingslashit( trailingslashit( $paged_redirect['path'] ) . 'comment-page-' . get_query_var('cpage'), 'commentpaged' );
$addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit( 'comment-page-' . get_query_var('cpage'), 'commentpaged' );
$redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
}
$paged_redirect['path'] = trailingslashit( preg_replace('|/index.php/?$|', '/', $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'] .= 'index.php/';
$paged_redirect['path'] .= $addl_path;
$redirect_url = $paged_redirect['scheme'] . '://' . $paged_redirect['host'] . $paged_redirect['path'];
$redirect['path'] = $paged_redirect['path'];
$redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );
$redirect['query'] = remove_query_arg( 'feed', $redirect['query'] );
$redirect['query'] = remove_query_arg( 'cpage', $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 )
$redirect_url .= '&';
@ -205,7 +214,7 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
$redirect['query'] = trim(preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query']), '&');
// Remove redundant leading ampersands
$redirect['query'] = preg_replace( '#^\??&+#', '', $redirect['query'] );
$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
}
// strip /index.php/ when we're not using PATHINFO permalinks