【update】pdf.js 禁用键盘打印和下载事件

public/pdfjs/web/viewer.html

@@ -31,6 +31,11 @@ See https://github.com/adobe-type-tools/cmap-resources
 
   <!-- This snippet is used in production (included from viewer.html) -->
   <link rel="resource" type="application/l10n" href="locale/locale.properties">
+  <style>
+    @media print {
+      body {display: none}
+    }
+  </style>
   <script src="../build/pdf.js"></script>
 
   <script src="viewer.js"></script>
@@ -38,7 +43,7 @@ See https://github.com/adobe-type-tools/cmap-resources
     if (!window.frameElement) {
       // 禁用F12
       document.addEventListener('keydown', function(event) {
-        if (event.key === 'F12' || event.keyCode === 123) {
+        if (event.key === 'F12' || event.keyCode === 123 || event.code === 'KeyS' || event.code === 'KeyP') {
           event.preventDefault()
         }
       })

public/pdfjs/web/viewer.js

@@ -788,9 +788,9 @@ const PDFViewerApplication = {
   },
   downloadOrSave() {
     if (this.pdfDocument?.annotationStorage.size > 0) {
-      this.save();
+      // this.save();
     } else {
-      this.download();
+      // this.download();
     }
   },
   _documentError(message, moreInfo = null) {
@@ -1300,7 +1300,7 @@ const PDFViewerApplication = {
     if (!this.supportsPrinting) {
       return;
     }
-    window.print();
+    // window.print();
   },
   bindEvents() {
     const {
@@ -1326,8 +1326,8 @@ const PDFViewerApplication = {
     eventBus._on("presentationmode", webViewerPresentationMode);
     eventBus._on("switchannotationeditormode", webViewerSwitchAnnotationEditorMode);
     eventBus._on("switchannotationeditorparams", webViewerSwitchAnnotationEditorParams);
-    eventBus._on("print", webViewerPrint);
-    eventBus._on("download", webViewerDownload);
+    // eventBus._on("print", webViewerPrint);
+    // eventBus._on("download", webViewerDownload);
     eventBus._on("firstpage", webViewerFirstPage);
     eventBus._on("lastpage", webViewerLastPage);
     eventBus._on("nextpage", webViewerNextPage);
@@ -1444,8 +1444,8 @@ const PDFViewerApplication = {
     eventBus._off("namedaction", webViewerNamedAction);
     eventBus._off("presentationmodechanged", webViewerPresentationModeChanged);
     eventBus._off("presentationmode", webViewerPresentationMode);
-    eventBus._off("print", webViewerPrint);
-    eventBus._off("download", webViewerDownload);
+    // eventBus._off("print", webViewerPrint);
+    // eventBus._off("download", webViewerDownload);
     eventBus._off("firstpage", webViewerFirstPage);
     eventBus._off("lastpage", webViewerLastPage);
     eventBus._off("nextpage", webViewerNextPage);
@@ -1844,7 +1844,7 @@ function webViewerPrint() {
   PDFViewerApplication.triggerPrinting();
 }
 function webViewerDownload() {
-  PDFViewerApplication.downloadOrSave();
+  // PDFViewerApplication.downloadOrSave();
 }
 function webViewerFirstPage() {
   PDFViewerApplication.page = 1;
@@ -2242,11 +2242,11 @@ function webViewerKeyDown(evt) {
   if (cmd === 1 || cmd === 8) {
     switch (evt.keyCode) {
       case 83:
-        eventBus.dispatch("download", {
-          source: window
-        });
-        handled = true;
-        break;
+        // eventBus.dispatch("download", {
+        //   source: window
+        // });
+        // handled = true;
+        // break;
       case 79:
         {
           eventBus.dispatch("openfile", {
@@ -13627,7 +13627,8 @@ function renderProgress(index, total, l10n) {
 }
 window.addEventListener("keydown", function (event) {
   if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
-    window.print();
+    // window.print();
+    return false
     event.preventDefault();
     event.stopImmediatePropagation();
   }