From 5d188521084ed5693bfbc0c87baa47b63131401e Mon Sep 17 00:00:00 2001
From: Dag <me@dvikan.no>
Date: Wed, 5 Oct 2022 19:30:42 +0200
Subject: [PATCH] fix: more verbose error in fb (#3089)

---
 bridges/FacebookBridge.php | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/bridges/FacebookBridge.php b/bridges/FacebookBridge.php
index de7f16d1..a6103919 100644
--- a/bridges/FacebookBridge.php
+++ b/bridges/FacebookBridge.php
@@ -553,7 +553,8 @@ EOD;
                 $header = [];
             }
 
-            $html = getSimpleHTMLDOM($this->getURI(), $header);
+            $url = $this->getURI();
+            $html = getSimpleHTMLDOM($url, $header);
         }
 
         // Handle captcha form?
@@ -571,12 +572,17 @@ EOD;
             returnServerError('You must be logged in to view this page. This is not supported by RSS-Bridge.');
         }
 
-        $element = $html
-        ->find('#pagelet_timeline_main_column')[0]
-        ->children(0)
-        ->children(0)
-        ->next_sibling()
-        ->children(0);
+        file_put_contents('/tmp/a.html', "$html");
+        $mainColumn = $html->find('#pagelet_timeline_main_column');
+        if (!$mainColumn) {
+            throw new \Exception(sprintf('Unable to find anything useful in %s', $url));
+        }
+
+        $element = $mainColumn[0]
+            ->children(0)
+            ->children(0)
+            ->next_sibling()
+            ->children(0);
 
         if (isset($element)) {
             $author = str_replace(' - Posts | Facebook', '', $html->find('title#pageTitle', 0)->innertext);