core: enhanced pdf support

packages/ui-default/backendlib/markdown-it-media.js

@@ -103,7 +103,7 @@ module.exports = function videoPlugin(md) {
     pdf: videoUrl,
   };
   md.renderer.rules.video = function tokenizeReturn(tokens, idx) {
-    const videoID = md.utils.escapeHtml(tokens[idx].videoID);
+    let videoID = md.utils.escapeHtml(tokens[idx].videoID);
     const service = md.utils.escapeHtml(tokens[idx].service).toLowerCase();
     const checkUrl = /http(?:s?):\/\/(?:www\.)?[a-zA-Z0-9-:.]{1,}\/render(?:\/)?[a-zA-Z0-9.&;?=:%]{1,}url=http(?:s?):\/\/[a-zA-Z0-9 -:.]{1,}\/[a-zA-Z0-9]{1,5}\/\?[a-zA-Z0-9.=:%]{1,}/;
     let num;
@@ -120,6 +120,7 @@ module.exports = function videoPlugin(md) {
         + '    }); </script>';
     }
     if (service === 'pdf') {
+      if (videoID.startsWith('file://')) videoID += '?noDisposition=1';
       return `\
         <object classid="clsid:${randomUUID().toUpperCase()}">
           <param name="SRC" value="${videoID}" >