From 3c0547c6e8a520f8fb0b3b9029f3bcc29eb6222e Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Wed, 6 May 2020 22:41:59 -0400
Subject: [PATCH] Ensure post location received through ActivityPub is in
 plaintext

---
 src/Protocol/ActivityPub/Receiver.php | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Protocol/ActivityPub/Receiver.php b/src/Protocol/ActivityPub/Receiver.php
index 508e5acd53..2f5332bef7 100644
--- a/src/Protocol/ActivityPub/Receiver.php
+++ b/src/Protocol/ActivityPub/Receiver.php
@@ -21,6 +21,7 @@
 
 namespace Friendica\Protocol\ActivityPub;
 
+use Friendica\Content\Text\BBCode;
 use Friendica\Database\DBA;
 use Friendica\Content\Text\HTML;
 use Friendica\Content\Text\Markdown;
@@ -1056,6 +1057,15 @@ class Receiver
 			$actor = JsonLD::fetchElement($object, 'as:actor', '@id');
 		}
 
+		$location = JsonLD::fetchElement($object, 'as:location', 'as:name', '@type', 'as:Place');
+		$location = JsonLD::fetchElement($location, 'location', '@value');
+
+		// Some AP software allow formatted text in post location, so we run all the text converters we have to boil
+		// down to HTML and then finally format to plaintext.
+		$location = Markdown::convert($location);
+		$location = BBCode::convert($location);
+		$location = HTML::toPlaintext($location);
+
 		$object_data['sc:identifier'] = JsonLD::fetchElement($object, 'sc:identifier', '@value');
 		$object_data['diaspora:guid'] = JsonLD::fetchElement($object, 'diaspora:guid', '@value');
 		$object_data['diaspora:comment'] = JsonLD::fetchElement($object, 'diaspora:comment', '@value');
@@ -1070,8 +1080,7 @@ class Receiver
 		$object_data = self::getSource($object, $object_data);
 		$object_data['start-time'] = JsonLD::fetchElement($object, 'as:startTime', '@value');
 		$object_data['end-time'] = JsonLD::fetchElement($object, 'as:endTime', '@value');
-		$object_data['location'] = JsonLD::fetchElement($object, 'as:location', 'as:name', '@type', 'as:Place');
-		$object_data['location'] = JsonLD::fetchElement($object_data, 'location', '@value');
+		$object_data['location'] = $location;
 		$object_data['latitude'] = JsonLD::fetchElement($object, 'as:location', 'as:latitude', '@type', 'as:Place');
 		$object_data['latitude'] = JsonLD::fetchElement($object_data, 'latitude', '@value');
 		$object_data['longitude'] = JsonLD::fetchElement($object, 'as:location', 'as:longitude', '@type', 'as:Place');