fixed XSS vulnerabilities in the Rule node

ui-ngx/src/app/core/interceptors/global-http-interceptor.ts

@@ -30,6 +30,7 @@ import { DialogService } from '@core/services/dialog.service';
 import { TranslateService } from '@ngx-translate/core';
 import { parseHttpErrorMessage } from '@core/utils';
 import { getInterceptorConfig } from './interceptor.util';
+import { DomSanitizer } from '@angular/platform-browser';
 
 const tmpHeaders = {};
 
@@ -46,6 +47,7 @@ export class GlobalHttpInterceptor implements HttpInterceptor {
     private dialogService: DialogService,
     private translate: TranslateService,
     private authService: AuthService,
+    private sanitizer: DomSanitizer
   ) {}
 
   intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
@@ -129,7 +131,7 @@ export class GlobalHttpInterceptor implements HttpInterceptor {
     }
 
     if (unhandled && !ignoreErrors) {
-      const errorMessageWithTimeout = parseHttpErrorMessage(errorResponse, this.translate, req.responseType);
+      const errorMessageWithTimeout = parseHttpErrorMessage(errorResponse, this.translate, req.responseType, this.sanitizer);
       this.showError(errorMessageWithTimeout.message, errorMessageWithTimeout.timeout);
     }
     return throwError(() => errorResponse);

ui-ngx/src/app/core/utils.ts

@@ -31,6 +31,8 @@ import {
   isNotEmptyTbFunction,
   TbFunction
 } from '@shared/models/js-function.models';
+import { DomSanitizer } from '@angular/platform-browser';
+import { SecurityContext } from '@angular/core';
 
 const varsRegex = /\${([^}]*)}/g;
 
@@ -809,7 +811,7 @@ export function getEntityDetailsPageURL(id: string, entityType: EntityType): str
 }
 
 export function parseHttpErrorMessage(errorResponse: HttpErrorResponse,
-                                      translate: TranslateService, responseType?: string): {message: string; timeout: number} {
+                                      translate: TranslateService, responseType?: string, sanitizer?:DomSanitizer): {message: string; timeout: number} {
   let error = null;
   let errorMessage: string;
   let timeout = 0;
@@ -837,6 +839,9 @@ export function parseHttpErrorMessage(errorResponse: HttpErrorResponse,
     errorText += errorKey ? translate.instant(errorKey) : errorResponse.statusText;
     errorMessage = errorText;
   }
+  if(sanitizer) {
+    errorMessage = sanitizer.sanitize(SecurityContext.HTML,errorMessage);
+  }
   return {message: errorMessage, timeout};
 }
 

ui-ngx/src/app/modules/home/pages/rulechain/rule-node-details.component.ts

@@ -22,6 +22,7 @@ import {
   OnDestroy,
   OnInit,
   Output,
+  SecurityContext,
   SimpleChanges,
   ViewChild
 } from '@angular/core';

ui-ngx/src/app/modules/home/pages/rulechain/rulechain-page.component.ts

@@ -26,6 +26,7 @@ import {
   OnInit,
   QueryList,
   Renderer2,
+  SecurityContext,
   SkipSelf,
   ViewChild,
   ViewChildren,
@@ -97,6 +98,7 @@ import { HttpStatusCode } from '@angular/common/http';
 import { TbContextMenuEvent } from '@shared/models/jquery-event.models';
 import { EntityDebugSettings } from '@shared/models/entity.models';
 import Timeout = NodeJS.Timeout;
+import { DomSanitizer } from '@angular/platform-browser';
 
 @Component({
   selector: 'tb-rulechain-page',
@@ -273,6 +275,7 @@ export class RuleChainPageComponent extends PageComponent
               private renderer: Renderer2,
               private viewContainerRef: ViewContainerRef,
               private changeDetector: ChangeDetectorRef,
+              private sanitizer:DomSanitizer,
               public dialog: MatDialog,
               public dialogService: DialogService,
               public fb: FormBuilder) {
@@ -1360,9 +1363,13 @@ export class RuleChainPageComponent extends PageComponent
         name = node.name;
         desc = this.translate.instant(ruleNodeTypeDescriptors.get(node.component.type).name) + ' - ' + node.component.name;
         if (node.additionalInfo) {
-          details = node.additionalInfo.description;
+          details = this.sanitizer.sanitize(SecurityContext.HTML, node.additionalInfo.description);
         }
       }
+      
+      name = this.sanitizer.sanitize(SecurityContext.HTML, name);
+      desc = this.sanitizer.sanitize(SecurityContext.HTML, desc);
+
       let tooltipContent = '<div class="tb-rule-node-tooltip">' +
         '<div id="tb-node-content">' +
         '<div class="tb-node-title">' + name + '</div>' +