Merge pull request #36043 from nextcloud/fix/36042/link-reference-les…

…s-strict-content-type-check Link reference provider: Improve content-type check
nextcloud · Jan 9, 2023 · 79f1c30 · 79f1c30
2 parents 10ab0f2 + b07addd
commit 79f1c30
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/private/Collaboration/Reference/LinkReferenceProvider.php b/lib/private/Collaboration/Reference/LinkReferenceProvider.php
@@ -116,7 +116,9 @@ private function fetchReference(Reference $reference): void {
 			return;
 		}
 		$linkContentType = $headResponse->getHeader('Content-Type');
-		if ($linkContentType !== 'text/html') {
+		$expectedContentType = 'text/html';
+		// check the header begins with the expected content type
+		if (substr($linkContentType, 0, strlen($expectedContentType)) !== $expectedContentType) {
 			$this->logger->debug('Skip resolving links pointing to content type that is not "text/html"');
 			return;
 		}