如何允许读/写对象仅与火力地堡身份验证的用户？

问题描述

我试图让存储笔记对象火力地堡，以确保可将笔记阅读与写作者的用户安全规则的简单测试。

I am trying to make a simple test of storing notes objects in Firebase, with user security rules that ensure the notes can be read and write only to the author.

下面是存储在火力的数据看起来是这样的：

Here is what the data stored in firebase looks like:

my_firebase_db
- notes
    - K835Tw_H28XXb-Sj4b
        - text: "note 1 from author 1",
        - user_id: "11b09925-534b-4955-ac55-3e234809432f"
    - K835Tw_H28XXb-Sj4b
        - text: "note 1 from author 2",
        - user_id: "11b09925-534b-4955-ac55-4d223893382c"
    - K835Tw_H28XXb-Sj4b
        - text: "note 2 from author 2",
        - user_id: "11b09925-534b-4955-ac55-4d223893382c"

角code（AngularFire）的认证与自定义标记，加载注释和方法，用户可以添加备注：

Angular code (AngularFire) that authenticates the user with a custom token, load notes and method to add a note:

var ref = new Firebase("https://xxx.firebaseio.com");
// Authenticate users with a custom authentication token
$firebaseAuth(ref).$authWithCustomToken(data.token).then(function(authData) {
      console.log("Logged in as:", authData.uid);
      $scope.user_id = authData.uid;
}).catch(function(error) {
      console.error("Authentication failed:", error);
});

// Load notes
$scope.notes = $firebaseArray(ref.child('notes'));

$scope.addNote = function() {
  note = {
      user_id: $scope.user_id,
      text: $scope.newNote.text
  };
  $scope.notes.$add(note);
};

安全性与;规则设置在火力地堡：

Security & rules setup in Firebase:

{
  "rules": {
    "notes": {
      ".read": "auth != null && data.child('user_id').val() === auth.uid",
      ".write": "auth != null && newData.child('user_id').val() === auth.uid"
    }
  }
}

使用这些规则，阅读和放大器;写是不允许的。

With these rules, read & write is not allowed.

如果我改变规则，这样做，则读取和放大器;写允许（但笔者可以阅读大家的注意事项）：

If I change the rules to this, then read & write are allowed (but authors can read everybody's notes):

{
  "rules": {
    "notes": {
      ".read": "auth != null",
      ".write": "auth != null"
    }
  }
}

我怎么能写一个火力点安全规则，将允许授权用户阅读和放大器;写自己的笔记？

How can I write a security rule in firebase that will allow the authenticated user to read & write their own notes?

推荐答案

原来答案在这里：的。

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