[POC] Row level security

[pstokkink]

This adds basic functionality to schema tools to parse the rowLevelAuth property from a table schema.

Locally this works in tandem with the POC draft PR in DSO-API.

Here is the example schema that I used.

{
  "id": "rls",
  "type": "table",
  "version": "1.5.2",
  "lifecycleStatus": "stable",
  "auth": [
    "OPENBAAR"
  ],
  "rowLevelAuth": {
    "source": "adresAfgeschermd",
    "targets": ["straat", "huisnummer", "postcode", "plaats", "telefoon.thuis"],
    "authMap": {
      "true": ["FP/MDW"],
      "false": []
    }
  },
  "schema": {
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "additionalProperties": false,
    "identifier": [
      "identificatie"
    ],
    "required": [
      "schema",
      "identificatie"
    ],
    "display": "identificatie",
    "properties": {
      "schema": {
        "$ref": "https://schemas.data.amsterdam.nl/[email protected]#/definitions/schema"
      },
      "identificatie": {
        "type": "string",
        "title": "ID"
      },
      "straat": {
        "type": "string",
        "title": "Straat",
        "description": "straat van het adres"
      },
      "postcode": {
        "type": "string",
        "title": "Postcode",
        "description": "postcode van het adres"
      },
      "plaats": {
        "type": "string",
        "title": "Plaats",
        "description": "plaats van het adres"
      },
      "huisnummer": {
        "type": "integer",
        "description": "huisnummer van het adres"
      },
      "telefoon": {
        "type": "object",
        "properties": {
          "thuis": {
            "type": "string"
          },
          "werk": {
            "type": "string"
          }
        }
      },
      "adresAfgeschermd": {
        "type": "boolean",
        "description": "bepaalt of het adres geheim is"
      }
    }
  }
}