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Ticket #21285: pings.diff

File pings.diff, 5.2 KB (added by wonderboymusic, 6 years ago)
  • wp-includes/comment.php

     
    16701670 */
    16711671function do_all_pings() {
    16721672        global $wpdb;
    1673 
    16741673        // Do pingbacks
    16751674        while ($ping = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
    16761675                delete_metadata_by_mid( 'post', $ping->meta_id );
     
    17761775
    17771776        $pung = get_pung($post_ID);
    17781777
    1779         // Variables
    1780         $ltrs = '\w';
    1781         $gunk = '/#~:.?+=&%@!\-';
    1782         $punc = '.:?\-';
    1783         $any = $ltrs . $gunk . $punc;
    1784 
    17851778        // Step 1
    17861779        // Parsing the post, external links (if any) are stored in the $post_links array
    17871780        // This regexp comes straight from phpfreaks.com
    17881781        // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php
    1789         preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
     1782        $post_links_temp = parse_content_for_ping_urls( $content );
    17901783
    17911784        // Step 2.
    17921785        // Walking thru the links array
     
    17971790        // http://dummy-weblog.org/post.php
    17981791        // We don't wanna ping first and second types, even if they have a valid <link/>
    17991792
    1800         foreach ( (array) $post_links_temp[0] as $link_test ) :
    1801                 if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
    1802                                 && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
    1803                         if ( $test = @parse_url($link_test) ) {
    1804                                 if ( isset($test['query']) )
    1805                                         $post_links[] = $link_test;
    1806                                 elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
    1807                                         $post_links[] = $link_test;
    1808                         }
    1809                 endif;
    1810         endforeach;
    1811 
     1793        foreach ( (array) $post_links_temp[0] as $link_test )
     1794                if ( !in_array( $link_test, $pung )
     1795                        && ( url_to_postid( $link_test ) != $post_ID ) // If we haven't pung it already and it isn't a link to itself
     1796                        && !is_local_attachment( $link_test )  // Also, let's never ping local attachments.
     1797                        && check_ping_url( $link_test ) ) {
     1798                       
     1799                        $post_links[] = $link_test;
     1800                }       
     1801               
    18121802        do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post_ID ) );
    18131803
    18141804        foreach ( (array) $post_links as $pagelinkedto ) {
  • wp-includes/functions.php

     
    393393}
    394394
    395395/**
     396 * Matches pingable URLs in content
     397 *
     398 * @since 3.5.0
     399 *
     400 * @param string $content Post content.
     401 * @return array of URLs found in content
     402 */
     403function parse_content_for_ping_urls( $content ) {
     404        $ltrs = '\w';
     405        $gunk = '/#~:.?+=&%@!\-';
     406        $punc = '.:?\-';
     407        $any = $ltrs . $gunk . $punc;
     408       
     409        preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp );
     410        return $post_links_temp;
     411}
     412
     413/**
     414 * Checks ping URLs
     415 *
     416 * @since 3.5.0
     417 *
     418 * @param string $url URL.
     419 * @return bool|string False on failure and url if it passes tests.
     420 */
     421function check_ping_url( $url ) {
     422        $siteurl = @parse_url( get_option( 'siteurl' ) );
     423        $test = @parse_url( $url );
     424        if ( $test && strstr( $test['host'], '.' ) && $test['host'] != $siteurl['host'] ) { // don't ping URLs (.-less vhosts) on localhost, HEAD requests will cause massive seg faults
     425                if ( isset( $test['query'] ) )
     426                        return $url;
     427                elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
     428                        return $url;
     429        }
     430        return false;
     431}
     432
     433/**
    396434 * Check content for video and audio links to add as enclosures.
    397435 *
    398436 * Will not add enclosures that have already been added and will
     
    416454        $post_links = array();
    417455
    418456        $pung = get_enclosed( $post_ID );
     457        $post_links_temp = parse_content_for_ping_urls( $content );
    419458
    420         $ltrs = '\w';
    421         $gunk = '/#~:.?+=&%@!\-';
    422         $punc = '.:?\-';
    423         $any = $ltrs . $gunk . $punc;
    424 
    425         preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp );
    426 
    427459        foreach ( $pung as $link_test ) {
    428460                if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post
    429461                        $mids = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $link_test ) . '%') );
     
    432464                }
    433465        }
    434466
    435         foreach ( (array) $post_links_temp[0] as $link_test ) {
    436                 if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already
    437                         $test = @parse_url( $link_test );
    438                         if ( false === $test )
    439                                 continue;
    440                         if ( isset( $test['query'] ) )
    441                                 $post_links[] = $link_test;
    442                         elseif ( isset($test['path']) && ( $test['path'] != '/' ) &&  ($test['path'] != '' ) )
    443                                 $post_links[] = $link_test;
    444                 }
    445         }
    446 
     467        foreach ( (array) $post_links_temp[0] as $link_test )
     468                if ( !in_array( $link_test, $pung ) && check_ping_url( $link_test ) ) // If we haven't pung it already
     469                        $post_links[] = $link_test;
     470               
    447471        foreach ( (array) $post_links as $url ) {
    448472                if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $url ) . '%' ) ) ) {
    449473