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Ignore:
Timestamp:
10/25/2016 09:53:22 PM (4 years ago)
Author:
johnbillion
Message:

Feeds: Don't attempt to generate RSS feeds for invalid feed URLs such as wp-content/feed.

Props stevenkword, JRGould, lyubomir_popov, johnbillion
Fixes #30210

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/functions.php

    r38928 r38929  
    12131213function do_feed() {
    12141214    global $wp_query;
     1215
     1216    // Determine if we are looking at the main comment feed
     1217    $is_main_comments_feed = ( $wp_query->is_comment_feed() && ! $wp_query->is_singular() );
     1218
     1219    /*
     1220     * Check the queried object for the existence of posts if it is not a feed for an archive,
     1221     * search result, or main comments. By checking for the absense of posts we can prevent rendering the feed
     1222     * templates at invalid endpoints. e.g.) /wp-content/plugins/feed/
     1223     */
     1224    if ( ! $wp_query->have_posts() && ! ( $wp_query->is_archive() || $wp_query->is_search() || $is_main_comments_feed ) ) {
     1225        wp_die( __( 'ERROR: This is not a valid feed.' ), '', array( 'response' => 404 ) );
     1226    }
    12151227
    12161228    $feed = get_query_var( 'feed' );
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