1 files changed, 24 insertions, 4 deletions
diff --git a/vendor/sabre/dav/lib/CardDAV/VCFExportPlugin.php b/vendor/sabre/dav/lib/CardDAV/VCFExportPlugin.php
index de8b3bb84..d015589ad 100644
--- a/vendor/sabre/dav/lib/CardDAV/VCFExportPlugin.php
+++ b/vendor/sabre/dav/lib/CardDAV/VCFExportPlugin.php
@@ -70,14 +70,34 @@ class VCFExportPlugin extends DAV\ServerPlugin {
             $aclPlugin->checkPrivileges($path, '{DAV:}read');
         }
 
-        $response->setHeader('Content-Type', 'text/directory');
-        $response->setStatus(200);
-
         $nodes = $this->server->getPropertiesForPath($path, [
             '{' . Plugin::NS_CARDDAV . '}address-data',
         ], 1);
 
-        $response->setBody($this->generateVCF($nodes));
+        $format = 'text/directory';
+
+        $output = null;
+        $filenameExtension = null;
+
+        switch ($format) {
+            case 'text/directory':
+                $output = $this->generateVCF($nodes);
+                $filenameExtension = '.vcf';
+                break;
+        }
+
+        $filename = preg_replace(
+            '/[^a-zA-Z0-9-_ ]/um',
+            '',
+            $node->getName()
+        );
+        $filename .= '-' . date('Y-m-d') . $filenameExtension;
+
+        $response->setHeader('Content-Disposition', 'attachment; filename="' . $filename . '"');
+        $response->setHeader('Content-Type', $format);
+
+        $response->setStatus(200);
+        $response->setBody($output);
 
         // Returning false to break the event chain
         return false;