From be2769244f4478d1ac0692d780a23d24c34bce91 Mon Sep 17 00:00:00 2001
From: mikeyc7m <mikeyc7m@users.noreply.github.com>
Date: Mon, 29 Feb 2016 12:19:34 +1100
Subject: [PATCH] fix to support facebook autodiscover

the autodiscover function was failing on facebook because it returned the wrong match. also added a thumbnail lookup for facebook.
---
 oembed/Oembed.php | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/oembed/Oembed.php b/oembed/Oembed.php
index 0c8c55cc6..7918c8407 100644
--- a/oembed/Oembed.php
+++ b/oembed/Oembed.php
@@ -117,12 +117,12 @@ class Oembed {
 
 		if(preg_match_all($pcreOmbed, $body, $matches, PREG_SET_ORDER)) {
 			$match = $matches[0];
-			if(!empty($match[1])) {
-				return html_entity_decode($match[1]);
-			}
 			if(!empty($match[2])) {
 				return html_entity_decode($match[2]);
 			}
+			if(!empty($match[1])) {
+				return html_entity_decode($match[1]);
+			}
 		}
 		return false;
 	}
@@ -297,6 +297,11 @@ class Oembed_Result extends ViewableData {
 		// Convert all keys to lowercase
 		$data = array_change_key_case($data, CASE_LOWER);
 
+		if( isset($data['provider_name']) && $data['provider_name'] == "Facebook" ) {
+			$id = preg_replace("/.*\/(\d+?)\/?($|\?.*)/", "$1", $data["url"]);
+			$data['thumbnail_url'] = "https://graph.facebook.com/{$id}/picture";
+		}
+	
 		// Purge everything if the type does not match.
 		if($this->type && $this->type != $data['type']) {
 			$data = array();