square-access: Square Access Token

id: square-access

info:
  name: Square Access Token
  author: DhiyaneshDK
  severity: high
  reference:
    - https://developer.squareup.com/docs/build-basics/access-tokens
    - https://github.com/praetorian-inc/noseyparker/blob/main/crates/noseyparker/data/default/builtin/rules/square.yml
    - https://github.com/semgrep/semgrep-rules/blob/develop/generic/secrets/gitleaks/square-access-token.yaml
  metadata:
    verified: true
    max-request: 1
  tags: square,token,exposure,vuln

flow: http(1) && http(2)

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    matchers:
      - type: regex
        part: body
        name: token
        regex:
          - 'EAAAl[^\s]+'
        internal: true

  - raw:
      - |
        @Host: https://connect.squareup.com:443
        GET /v2/locations HTTP/1.1
        Host: connect.squareup.com
        Square-Version: 2023-01-19
        Authorization: Bearer {{token}}
        Content-Type: application/json

    disable-path-automerge: true
    matchers:
      - type: word
        part: body
        words:
          - 'locations'
          - 'longitude'
          - 'country'
        condition: and

    extractors:
      - type: dsl
        dsl:
          - token
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