rules:
- id: detect-angular-trust-as-method
  mode: taint
  pattern-sources:
  - patterns:
    - pattern-inside: |
        app.controller(..., function($scope,$sce) {
        ...
        });
    - pattern: $scope.$X
  pattern-sinks:
  - pattern: $sce.trustAs(...)
  - pattern: $sce.trustAsHtml(...)
  message: >-
    The use of $sce.trustAs can be dangerous if unsanitized user input flows through this API.
  languages:
  - javascript
  - typescript
  metadata:
    references:
    - https://docs.angularjs.org/api/ng/service/$sce
    - https://owasp.org/www-chapter-london/assets/slides/OWASPLondon20170727_AngularJS.pdf
    category: security
    technology:
    - angular
  severity: WARNING