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Sanity checks in oEmbed XML handling. 

git-svn-id: https://develop.svn.wordpress.org/trunk@23158 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Nacin 2012-12-10 22:23:03 +00:00
parent c3fef1cfec
commit 301284fd7f
1 changed files with 29 additions and 13 deletions
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42
wp-includes/class-oembed.php
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@ -216,20 +216,36 @@ class WP_oEmbed {
* @access private
*/
function _parse_xml( $response_body ) {
if ( function_exists('simplexml_load_string') ) {
$errors = libxml_use_internal_errors( 'true' );
$data = simplexml_load_string( $response_body );
libxml_use_internal_errors( $errors );
if ( ! is_object( $data ) )
return false;
$return = new stdClass;
foreach ( $data as $key => $value )
$return->$key = (string) $value;
return $return;
if ( !function_exists('simplexml_load_string') ) {
return false;
}
return false;
$errors = libxml_use_internal_errors( true );
$old_value = null;
if ( function_exists( 'libxml_disable_entity_loader' ) ) {
$old_value = libxml_disable_entity_loader( true );
}
$dom = new DOMDocument;
$success = $dom->loadXML( $response_body );
if ( ! is_null( $old_value ) ) {
libxml_disable_entity_loader( $old_value );
}
libxml_use_internal_errors( $errors );
if ( ! $success || isset( $dom->doctype ) ) {
return false;
}
$data = simplexml_import_dom( $dom );
if ( ! is_object( $data ) )
return false;
$return = new stdClass;
foreach ( $data as $key => $value )
$return->$key = (string) $value;
return $return;
}
/**