firebase – 用于在用户之间共享文档的Firestore数据库规则和结

我正在实行建设一个应承用户在列表长举办协作的应用措施.必要约请每个用户才气在列表上事变.

我构建了这样的数据(疏松地基于this blog post).
假如必要,也可以改变这种布局.

list
  list_1:
    users:
      owner:
        owner@company.com: true
      shared:
        user@company.com: true
        user2@company.com: true
    id
    name
    items:
      item_1:
        id:
        name:
      ...

我想要实现的方针：每小我私人都应该可以或许建设列表.然后,他们的建设者将成为建设列表的全部者.
只有“共享”文档中的全部者和用户才气读取和写入此列表.

我想权限配置看起来应该是这样的.但这不起浸染：

service cloud.firestore {
  match /databases/{database}/documents {
    match /lists/{listId}/{anything=**} {
        allow read,write: if !exists(resource.data.users.owner) ||
                               resource.data.users.owner == request.auth.token.email ||
                               request.auth.token.email in resource.data.users.shared
    }
  }
}

办理要领

我将数据布局变动为：

list
  list_1
    owner: owner@company.com
    writeAccess: [user1@company.com,user2@company.com]
    id
    name
    items:
      item_1:
        id:
        name:
      ...

然后像这样的数据库法则正在事变：

service cloud.firestore {
  match /databases/{database}/documents {
    match /lists/{listId} {
        // Allow RW on lists for owner,shared user or for everyone if it's a new list
      allow read,write: if resource.data.owner == request.auth.token.email ||
                            request.auth.token.email in resource.data.writeAccess ||
                            !exists(/databases/$(database)/documents/lists/$(listId))
    }
    match /lists/{listId}/items/{itemId} {
        // Allow RW on item for owner or shared user of parent list
        allow read,write: if get(/databases/$(database)/documents/lists/$(listId)).data.owner == request.auth.token.email ||
                              request.auth.token.email in get(/databases/$(database)/documents/lists/$(listId)).data.writeAccess ||
                             !exists(/databases/$(database)/documents/lists/$(listId)) // Needed for new lists. Because lists and items are created in a batch
    }
  }
}

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