Firebase - Lesson 5 - Example Validations

rules.json

{
  "rules": {
    ".read" : "true",
    ".write" : "true",
    
    "userFriends": {
      "$userEncodedEmail": {
        "$friendEncodedEmail": {
          ".validate": "newData.hasChildren(['name', 'email', 'timestampJoined', 'hasLoggedInWithPassword'])",
          "name": {
            ".validate": "newData.isString()"
          },
          "email": {
            ".validate": "newData.isString() && newData.val().matches(/^[A-Z0-9,_%+-]+@[A-Z0-9,-]+,[A-Z]{2,4}$/i)"
          },
          "timestampJoined": {
            ".validate": "newData.hasChildren(['timestamp'])",
            "timestamp": {
              ".validate": "newData.isNumber()"
            },
            "$other": {
              ".validate": "false"
            }
          },
          "hasLoggedInWithPassword": {
            ".validate": "newData.isBoolean()"
          },
          "$other": {
            ".validate": "false"
          }
        }
      }
    },
    "userLists": {
      "$userEncodedEmail": {
        "$listId": {
          "listName": {
          }
        }
      }
    },
    "users": {
      "$userEncodedEmail": {
        ".validate": "newData.hasChildren(['name', 'email', 'timestampJoined', 'hasLoggedInWithPassword'])",
        "name": {
          ".validate": "newData.isString()"
        },
        "email": {
          ".validate": "newData.isString() && newData.val().matches(/^[A-Z0-9,_%+-]+@[A-Z0-9,-]+,[A-Z]{2,4}$/i)"
        },
        "timestampJoined": {
          ".validate": "newData.hasChildren(['timestamp'])",
          "timestamp": {
            ".validate": "newData.isNumber()"
          },
          "$other": {
            ".validate": "false"
          }
        },
        "hasLoggedInWithPassword": {
          ".validate": "newData.isBoolean()"
        },
        "$other": {
          ".validate": "false"
        }
      }
    }
  }
}