ajinabraham.njsscan.good_helmet_checks.helmet_header_referrer_policy

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Referrer-Policy header is present. More information: https://helmetjs.github.io/docs/referrer-policy/

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rules:
  - id: helmet_header_referrer_policy
    message: "Referrer-Policy header is present. More information:
      https://helmetjs.github.io/docs/referrer-policy/"
    languages:
      - javascript
    severity: INFO
    patterns:
      - pattern-not: |
          $HELMET(..., {referrerPolicy: false}, ...)
      - pattern-either:
          - pattern: |
              helmet.referrerPolicy(...)
          - pattern: |
              referrerPolicy(...)
          - pattern: |
              helmet({referrerPolicy: ...})
    metadata:
      license: LGPL-3.0-or-later