Improved XML handling for oEmbed.
git-svn-id: http://core.svn.wordpress.org/trunk@24902 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -221,27 +221,52 @@ class WP_oEmbed {
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* @access private
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*/
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function _parse_xml( $response_body ) {
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if ( !function_exists('simplexml_load_string') ) {
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return false;
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}
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if ( ! function_exists( 'libxml_disable_entity_loader' ) )
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return false;
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$loader = libxml_disable_entity_loader( true );
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$errors = libxml_use_internal_errors( true );
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$data = simplexml_load_string( $response_body );
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libxml_use_internal_errors( $errors );
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$return = false;
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if ( is_object( $data ) ) {
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$return = new stdClass;
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foreach ( $data as $key => $value ) {
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$return->$key = (string) $value;
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}
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$return = $this->_parse_xml_body( $response_body );
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libxml_use_internal_errors( $errors );
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libxml_disable_entity_loader( $loader );
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return $return;
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}
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/**
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* Helper function for parsing an XML response body.
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*
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* @since 3.6.0
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* @access private
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*/
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private function _parse_xml_body( $response_body ) {
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if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument' ) )
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return false;
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$dom = new DOMDocument;
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$success = $dom->loadXML( $response_body );
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if ( ! $success )
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return false;
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if ( isset( $dom->doctype ) )
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return false;
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foreach ( $dom->childNodes as $child ) {
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if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType )
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return false;
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}
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$xml = simplexml_import_dom( $dom );
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if ( ! $xml )
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return false;
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$return = new stdClass;
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foreach ( $xml as $key => $value ) {
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$return->$key = (string) $value;
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}
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libxml_disable_entity_loader( $loader );
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return $return;
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}
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