From 8c6d0759c7f10d87ab95b0a47a7ed96df49ade8d Mon Sep 17 00:00:00 2001
From: Mikael Nordfeldth <mmn@hethane.se>
Date: Wed, 23 Mar 2016 15:25:21 +0100
Subject: [PATCH] If upgraded from http to https, keep hubsub->topic up to date
 too (thanks hannes2peer)

---
 plugins/OStatus/lib/ostatusqueuehandler.php | 27 ++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/plugins/OStatus/lib/ostatusqueuehandler.php b/plugins/OStatus/lib/ostatusqueuehandler.php
index 2358176ec2..15e67d2077 100644
--- a/plugins/OStatus/lib/ostatusqueuehandler.php
+++ b/plugins/OStatus/lib/ostatusqueuehandler.php
@@ -183,11 +183,37 @@ class OStatusQueueHandler extends QueueHandler
      */
     function pushFeed($feed, $callback)
     {
+        // NOTE: external hub pings will not be fixed by
+        // our legacy_http thing!
         $hub = common_config('ostatus', 'hub');
         if ($hub) {
             $this->pushFeedExternal($feed, $hub);
         }
 
+        // If we used to be http but now are https, see if we find an http entry for this feed URL
+        // and then upgrade it. This self-healing feature needs to be enabled manually in config.
+        // This code is based on a patch by @hannes2peer@quitter.se
+        if (common_config('fix', 'legacy_http') && parse_url($feed, PHP_URL_SCHEME) === 'https') {
+            common_log(LOG_DEBUG, 'OSTATUS: Searching for http scheme instead for HubSub feed topic: '._ve($feed));
+            $http_feed = str_replace('https://', 'http://', $feed);
+            $sub = new HubSub();
+            $sub->topic = $http_feed;
+            // If we find it we upgrade the rows in the hubsub table.
+            if ($sub->find()) {
+                common_log(LOG_INFO, 'OSTATUS: Found topic with http scheme for '._ve($feed).', will update the rows to use https instead!');
+                // we found an http:// URL but we use https:// now
+                // so let's update the rows to reflect on this!
+                while ($sub->fetch()) {
+                    common_debug('OSTATUS: Changing topic URL to https for feed callback '._ve($sub->callback));
+                    $orig = clone($sub);
+                    $sub->topic = $feed;
+                    // hashkey column will be set automagically in HubSub->onUpdateKeys through updateWithKeys
+                    $sub->updateWithKeys($orig);
+                    unset($orig);
+                }
+            }
+        }
+
         $sub = new HubSub();
         $sub->topic = $feed;
         if ($sub->find()) {
@@ -197,7 +223,6 @@ class OStatusQueueHandler extends QueueHandler
         } else {
             common_log(LOG_INFO, "No PuSH subscribers for $feed");
         }
-        return true;
     }
 
     /**