From 650f90df25d9f81994806628f60e484ad95b8a98 Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Sat, 5 Feb 2022 22:14:19 +0000
Subject: [PATCH] Platforms:  only use and show trusted detections

---
 src/Model/GServer.php           | 12 ++++++++++++
 src/Module/Admin/Federation.php |  7 ++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/Model/GServer.php b/src/Model/GServer.php
index 8cc1b5d01..26c36d6a9 100644
--- a/src/Model/GServer.php
+++ b/src/Model/GServer.php
@@ -1566,6 +1566,10 @@ class GServer
 			return $serverdata;
 		}
 
+		// Using only body information we cannot safely detect a lot of systems.
+		// So we define a list of platforms that we can detect safely.
+		$valid_platforms = ['friendica', 'friendika', 'hubzilla', 'misskey', 'peertube', 'wordpress', 'write.as'];
+
 		$doc = new DOMDocument();
 		@$doc->loadHTML($curlResult->getBody());
 		$xpath = new DOMXPath($doc);
@@ -1594,6 +1598,10 @@ class GServer
 				}
 			}
 
+			if (!in_array(strtolower($attr['content']), $valid_platforms)) {
+				continue;
+			}
+
 			if ($attr['name'] == 'description') {
 				$serverdata['info'] = $attr['content'];
 			}
@@ -1653,6 +1661,10 @@ class GServer
 				}
 			}
 
+			if (!in_array(strtolower($attr['content']), $valid_platforms)) {
+				continue;
+			}
+
 			if ($attr['property'] == 'og:site_name') {
 				$serverdata['site_name'] = $attr['content'];
 			}
diff --git a/src/Module/Admin/Federation.php b/src/Module/Admin/Federation.php
index 8f9f69de4..0e315c37c 100644
--- a/src/Module/Admin/Federation.php
+++ b/src/Module/Admin/Federation.php
@@ -24,6 +24,7 @@ namespace Friendica\Module\Admin;
 use Friendica\Core\Renderer;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Model\GServer;
 use Friendica\Module\BaseAdmin;
 
 class Federation extends BaseAdmin
@@ -71,15 +72,15 @@ class Federation extends BaseAdmin
 
 		$gservers = DBA::p("SELECT COUNT(*) AS `total`, SUM(`registered-users`) AS `users`, `platform`,
 			ANY_VALUE(`network`) AS `network`, MAX(`version`) AS `version`
-			FROM `gserver` WHERE NOT `failed` GROUP BY `platform`");
+			FROM `gserver` WHERE NOT `failed` AND `detection-method` != ? GROUP BY `platform`", GServer::DETECT_MANUAL);
 		while ($gserver = DBA::fetch($gservers)) {
 			$total += $gserver['total'];
 			$users += $gserver['users'];
 
 			$versionCounts = [];
 			$versions = DBA::p("SELECT COUNT(*) AS `total`, `version` FROM `gserver`
-				WHERE NOT `failed` AND `platform` = ?
-				GROUP BY `version` ORDER BY `version`", $gserver['platform']);
+				WHERE NOT `failed` AND `platform` = ? AND `detection-method` != ?
+				GROUP BY `version` ORDER BY `version`", $gserver['platform'], GServer::DETECT_MANUAL);
 			while ($version = DBA::fetch($versions)) {
 				$version['version'] = str_replace(["\n", "\r", "\t"], " ", $version['version']);