io.codemodder.codemods.harden-xstream.yaml Maven / Gradle / Ivy

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Codemods for fixing common errors across many Java projects

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rules:
  - id: harden-xstream
    patterns:
      - pattern: $X = new XStream(...);
      - pattern-not-inside: |
          $RETURNTYPE $METHOD(...) {
            ...
            $X.registerConverter(...);
            ...
          }
      - pattern-not-inside: |
          $RETURNTYPE $METHOD(...) {
            ...
            $X.allowTypes(...);
            ...
          }
      - pattern-not-inside: |
          $RETURNTYPE $METHOD(...) {
            ...
            $X.denyTypes(...);
            ...
          }
      - pattern-not-inside: |
          $RETURNTYPE $METHOD(...) {
            ...
            $X.denyTypesByWildcard(...);
            ...
          }
      - focus-metavariable: $X
    message: Semgrep found a match
    languages:
      - java
    severity: WARNING