Sanity checks in oEmbed XML handling.
git-svn-id: https://develop.svn.wordpress.org/trunk@23158 602fd350-edb4-49c9-b593-d223f7449a82
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@ -216,21 +216,37 @@ class WP_oEmbed {
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* @access private
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*/
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function _parse_xml( $response_body ) {
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if ( function_exists('simplexml_load_string') ) {
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$errors = libxml_use_internal_errors( 'true' );
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$data = simplexml_load_string( $response_body );
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if ( !function_exists('simplexml_load_string') ) {
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return false;
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}
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$errors = libxml_use_internal_errors( true );
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$old_value = null;
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if ( function_exists( 'libxml_disable_entity_loader' ) ) {
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$old_value = libxml_disable_entity_loader( true );
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}
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$dom = new DOMDocument;
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$success = $dom->loadXML( $response_body );
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if ( ! is_null( $old_value ) ) {
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libxml_disable_entity_loader( $old_value );
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}
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libxml_use_internal_errors( $errors );
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if ( ! $success || isset( $dom->doctype ) ) {
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return false;
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}
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$data = simplexml_import_dom( $dom );
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if ( ! is_object( $data ) )
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return false;
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$return = new stdClass;
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foreach ( $data as $key => $value )
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$return->$key = (string) $value;
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return $return;
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}
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return false;
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}
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/**
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* Converts a data object from {@link WP_oEmbed::fetch()} and returns the HTML.
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