kingfisher/data/rules/docker.yml

rules:
  - name: Docker Registry Credentials (auths JSON)
    id: kingfisher.docker.1
    pattern: |
      (?xis)
      "auths"\s*:\s*\{
        [^}]*?
        " (?P<REG> (?:https?:\/\/)? [a-z0-9.\-:+/]+ ) "\s*:\s*\{
          [^}]*?
          "auth"\s*:\s*"(?P<B64> [A-Za-z0-9+/=]{16,} )"
          [^}]*?
        \}
        [^}]*?
      \}
    pattern_requirements:
      min_digits: 2
    min_entropy: 2.0
    confidence: medium
    examples:
      - |
        {
          "auths": {
            "quay.io": {
              "auth": "cmhkaCtyaHRhcDowM1BERl1RQTJQTDlaQUE5T1gzSU9IQjFYTUlXOVNGNU1XRzNSRVRHNThKVXpKMzEwV0ZZRVMOQTdGMExMNOYx"
            }
          }
        }
      - |
        {"auths":{"index.docker.io/v1/":{"auth":"dXNlcjp0b2tlbg=="}}}
    references:
      - https://distribution.github.io/distribution/spec/api/
    validation:
      type: Http
      content:
        request:
          method: GET
          url: >
            {%- assign r = REG -%}
            {%- if r contains "://" -%}
              {{ r | replace: "/$", "" }}/v2/auth
            {%- else -%}
              https://{{ r }}/v2/auth
            {%- endif -%}
          headers:
            Authorization: "Basic {{ B64 }}"
            Accept: application/json
          response_matcher:
            - report_response: true
            - type: StatusMatch
              status: [200]