kingfisher/crates/kingfisher-rules/data/rules/recaptcha.yml

rules:
  - name: reCAPTCHA API Key
    id: kingfisher.recaptcha.1
    pattern: |
      (?xi)
      recaptcha
      (?:.|[\n\r]){0,16}?
      \b
      (
        6l[c-f][a-z0-9_-].{36}
      )
    pattern_requirements:
      min_digits: 1
    min_entropy: 3
    confidence: medium
    examples:
      - recaptcha apikey = 6Lcr--w-BBBBBw-w-w----w-w-www-www--ww-w-
      - recaptcha_secret = 6Lcw--w-AAAAAw-w-w----w-w-www-www--ww-w-
    validation:
      type: Http
      content:
        request:
          headers:
            Content-Type: application/x-www-form-urlencoded
          body: |
            secret={{ TOKEN }}
            response=test
          method: POST
          response_matcher:
            - report_response: true
            - match_all_words: true
              type: WordMatch
              words:
                - '"success": true'
          url: https://www.google.com/recaptcha/api/siteverify
    references:
      - https://developers.google.com/recaptcha/docs/verify