Add a way to disable external links.

web/app.js

@@ -668,6 +668,7 @@ let PDFViewerApplication = {
     this.pdfLoadingTask = loadingTask;
 
     loadingTask.onPassword = (updateCallback, reason) => {
+      this.pdfLinkService.externalLinkEnabled = false;
       this.passwordPrompt.setUpdateCallback(updateCallback, reason);
       this.passwordPrompt.open();
     };

web/interfaces.js

@@ -42,6 +42,16 @@ class IPDFLinkService {
    */
   set rotation(value) {}
 
+  /**
+   * @returns {boolean}
+   */
+  get externalLinkEnabled() {}
+
+  /**
+   * @param {boolean} value
+   */
+  set externalLinkEnabled(value) {}
+
   /**
    * @param dest - The PDF destination object.
    */

web/pdf_link_service.js

@@ -35,10 +35,11 @@ class PDFLinkService {
    * @param {PDFLinkServiceOptions} options
    */
   constructor({ eventBus, externalLinkTarget = null,
-                externalLinkRel = null, } = {}) {
+                externalLinkRel = null, externalLinkEnabled = true, } = {}) {
     this.eventBus = eventBus || getGlobalEventBus();
     this.externalLinkTarget = externalLinkTarget;
     this.externalLinkRel = externalLinkRel;
+    this.externalLinkEnabled = externalLinkEnabled;
 
     this.baseUrl = null;
     this.pdfDocument = null;
@@ -423,6 +424,7 @@ class SimpleLinkService {
   constructor() {
     this.externalLinkTarget = null;
     this.externalLinkRel = null;
+    this.externalLinkEnabled = true;
   }
 
   /**

web/pdf_outline_viewer.js

@@ -76,6 +76,7 @@ class PDFOutlineViewer {
         url,
         target: (newWindow ? LinkTarget.BLANK : linkService.externalLinkTarget),
         rel: linkService.externalLinkRel,
+        enabled: linkService.externalLinkEnabled,
       });
       return;
     }