X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FObject%2FOEmbed.php;h=815376487e78776e74ea15164c00550d28110454;hb=9fbdcb5459e4acb158961427837612999253e046;hp=20f27ae0bf12dea38e948e06dd8fe7fc6930f73e;hpb=103535d6206e9f2c2260d0554ecc41d31baaf9dd;p=friendica.git

diff --git a/src/Object/OEmbed.php b/src/Object/OEmbed.php
index 20f27ae0bf..815376487e 100644
--- a/src/Object/OEmbed.php
+++ b/src/Object/OEmbed.php
@@ -1,4 +1,23 @@
 <?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
 
 namespace Friendica\Object;
 
@@ -42,6 +61,19 @@ class OEmbed
 		}
 
 		foreach ($properties as $key => $value) {
+			if (in_array($key, ['thumbnail_width', 'thumbnail_height', 'width', 'height'])) {
+				// These values should be numbers, so ensure that they really are numbers.
+				$value = (int)$value;
+			} elseif (is_array($value)) {
+				// Ignoring arrays.
+			} elseif ($key != 'html') {
+				// Avoid being able to inject some ugly stuff through these fields.
+				$value = htmlentities($value);
+			} else {
+				/// @todo Add a way to sanitize the html as well, possibly with an <iframe>?
+				$value = mb_convert_encoding($value, 'HTML-ENTITIES', mb_detect_encoding($value));
+			}
+
 			if (property_exists(__CLASS__, $key)) {
 				$this->{$key} = $value;
 			}