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Viewing changes to wp-includes/embed.php

  • Committer: Barry Price
  • Date: 2017-09-20 02:34:45 UTC
  • mto: This revision was merged to the branch mainline in revision 32.
  • Revision ID: barry.price@canonical.com-20170920023445-2ylln1i0tkpo301s
new upstream release 4.8.2

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Lines of Context:
wp-includes/embed.php
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        }
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        $html = $content[1] . $content[2];
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        preg_match( '/ src=([\'"])(.*?)\1/', $html, $results );
 
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        if ( ! empty( $results ) ) {
 
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                $secret = wp_generate_password( 10, false );
 
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                $url = esc_url( "{$results[2]}#?secret=$secret" );
 
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                $q = $results[1];
 
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                $html = str_replace( $results[0], ' src=' . $q . $url . $q . ' data-secret=' . $q . $secret . $q, $html );
 
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                $html = str_replace( '<blockquote', "<blockquote data-secret=\"$secret\"", $html );
 
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        }
 
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        $allowed_html['blockquote']['data-secret'] = true;
 
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        $allowed_html['iframe']['data-secret'] = true;
 
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        $html = wp_kses( $html, $allowed_html );
 
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        if ( ! empty( $content[1] ) ) {
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                // We have a blockquote to fall back on. Hide the iframe by default.
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                $html = str_replace( '<iframe', '<iframe style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"', $html );
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                $html = str_replace( '<blockquote', '<blockquote class="wp-embedded-content"', $html );
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        }
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        $html = str_replace( '<iframe', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $html );
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        preg_match( '/ src=[\'"]([^\'"]*)[\'"]/', $html, $results );
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        if ( ! empty( $results ) ) {
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                $secret = wp_generate_password( 10, false );
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                $url = esc_url( "{$results[1]}#?secret=$secret" );
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                $html = str_replace( $results[0], " src=\"$url\" data-secret=\"$secret\"", $html );
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                $html = str_replace( '<blockquote', "<blockquote data-secret=\"$secret\"", $html );
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        }
 
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        $html = str_ireplace( '<iframe', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $html );
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        return $html;
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}