onlyoffice: support pdf documents

packages/onlyoffice/index.ts

@@ -1,4 +1,5 @@
 import { sign } from 'jsonwebtoken';
+import { } from '@hydrooj/ui-default/backendlib/markdown-it-media';
 import {
     Context, Handler, SystemModel, UiContextBase,
 } from 'hydrooj';
@@ -15,6 +16,7 @@ class OnlyofficeJWTHandler extends Handler {
 
     async get({ url }) {
         const path = new URL(url).pathname;
+        const allowDownload = !!SystemModel.get('onlyoffice.allowDownload');
         const payload = {
             document: {
                 fileType: path.split('.').pop(),
@@ -23,19 +25,19 @@ class OnlyofficeJWTHandler extends Handler {
                 url,
                 permissions: {
                     comment: false,
-                    copy: true,
-                    download: true,
+                    copy: allowDownload,
+                    download: allowDownload,
                     edit: false,
                     fillForms: false,
                     modifyContentControl: false,
                     modifyFilter: false,
-                    print: true,
+                    print: allowDownload,
                     protect: false,
                     review: false,
                 },
             },
             editorConfig: {
-                lang: this.user.viewLang.includes('_') ? this.user.viewLang.split('_')[0] : this.user.viewLang,
+                lang: this.user.viewLang?.includes('_') ? this.user.viewLang.split('_')[0] : this.user.viewLang || 'zh',
                 mode: 'view',
                 user: {
                     group: 'Hydro',
@@ -73,4 +75,11 @@ export function apply(ctx: Context) {
         });
     });
     ctx.Route('onlyoffice-jwt', '/onlyoffice-jwt', OnlyofficeJWTHandler);
+    if (SystemModel.get('onlyoffice.pdf')) {
+        ctx.provideModule('richmedia', 'pdf', {
+            get(service, src, md) {
+                return `<div data-${service}>${md.utils.escapeHtml(src)}</div>`;
+            },
+        });
+    }
 }