From d32216787e48c7222eba9128d7cc376a78645c33 Mon Sep 17 00:00:00 2001 From: Dion Hulse Date: Tue, 8 Mar 2016 05:57:13 +0000 Subject: [PATCH] oEmbed: During discovery, only request the first 150kb of linked content to avoid timouts requesting larger documents. Fixes #35979. git-svn-id: https://develop.svn.wordpress.org/trunk@36880 602fd350-edb4-49c9-b593-d223f7449a82 --- src/wp-includes/class-oembed.php | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/wp-includes/class-oembed.php b/src/wp-includes/class-oembed.php index b60a4f4794..51a2a899a8 100644 --- a/src/wp-includes/class-oembed.php +++ b/src/wp-includes/class-oembed.php @@ -309,6 +309,9 @@ class WP_oEmbed { */ public function discover( $url ) { $providers = array(); + $args = array( + 'limit_response_size' => 153600, // 150 KB + ); /** * Filter oEmbed remote get arguments. @@ -320,7 +323,7 @@ class WP_oEmbed { * @param array $args oEmbed remote get arguments. * @param string $url URL to be inspected. */ - $args = apply_filters( 'oembed_remote_get_args', array(), $url ); + $args = apply_filters( 'oembed_remote_get_args', $args, $url ); // Fetch URL content $request = wp_safe_remote_get( $url, $args ); @@ -342,7 +345,9 @@ class WP_oEmbed { ) ); // Strip - $html = substr( $html, 0, stripos( $html, '' ) ); + if ( $html_head_end = stripos( $html, '' ) ) { + $html = substr( $html, 0, $html_head_end ); + } // Do a quick check $tagfound = false;