I am trying to get access to my firebase data to run a little test. I have setup an app in the firebase console and set the access rules to:
// Allow read/write access to all users under any conditions
// Warning: **NEVER** use this rule set in production; it allows
// anyone to overwrite your entire database.
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if true;
}
}
}
Nevertheless I am always getting the following error:
angular.js:14328 Error: permission_denied at /messages: Client doesn't have permission to access the desired data.
at this line of code:
var ref = firebase.database().ref().child('messages');
What I am I missing?
Those rules are for firestore and not firebase-realtime database.
In the console go to the database section and click on the dropdown then choose RealTime database:
For the realtime database change your rules to this:
{
"rules": {
".read": true,
".write": true
}
}
and then perform the tests.
Related
I'm trying to use the most popular/common firebase rule of
{ "rules": { ".read": true, ".write": true } }
Every time I put it in, I get the error of
"mismatched input '{' expecting {'function', 'import', 'service', 'rules_version'}"
My current rule is
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if true;
}
}
}
What you're trying to enter are security rules for the Realtime Database, but you're trying to enter them for Cloud Firestore, which is another database. While both databases are part of Firebase, they're completely separate, and the security rules for one don't apply to the other.
To fix the error, you will have to set the rules for Cloud Firestore, as shown here and here.
Hi I have the Firebase project, and when I create the databases, I create some rules for testing.
Now, they expire, and they close my project.
It is my first time working with Firebase projects, and I have no experience. I show you how I have defined the rules for both Cloud Firestore and the Realtime Database.
The project is an application in which users can register and leave their comments.
How should I set the rules for my databases to be secure?
How should I write my rules code?
I was absent from my project for a few days and they wrote to me from Google, which closes my project in two days. I have looked for information, but I do not know how to create the rules so that they are correct and my project also works
I EDIT MY QUESTION to add details
In my application I only want registered users to be able to write comments.
The alert that Firebase shows me is the following:
"Its security rules are defined as public, so anyone can steal, modify or delete data from its database."
The databases are empty, so there are no records yet.
Can you help me? Firebase will close my project if I don't write the rules right, the rules shouldn't be public.
I read the documentation that Firebase offers, but I don't really understand how to create my rules.
They show something like this, for authenticated users:
// Allow read/write access on all documents to any user signed in to the application
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if request.auth != null;
}
}
}
And on the other hand they show these rules:
**// Allow read/write access to all users under any conditions
// Warning: **NEVER** use this rule set in production; it allows
// anyone to overwrite your entire database.
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if true;
}
}
}**
I don't know which one I should use exactly, and how I should write them, so that in my React Native app users can leave feedback.
Can you help me ?
I show the code of the rules of my databases
//REALTIME DATABASE
{
"rules": {
".read": true,
".write": true
}
}
//CLOUD FIRESTORE
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
// This rule allows anyone with your database reference to view, edit,
// and delete all data in your Firestore database. It is useful for getting
// started, but it is configured to expire after 30 days because it
// leaves your app open to attackers. At that time, all client
// requests to your Firestore database will be denied.
//
// Make sure to write security rules for your app before that time, or else
// all client requests to your Firestore database will be denied until you Update
// your rules
match /{document=**} {
allow read, write: if request.time < timestamp.date(2020, 9, 2);
}
}
}
You can use the following rule where only authenticated users can write and read to the database.
For Cloud Firestore:
// Allow read/write access on all documents to any user signed in to the application
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if request.auth != null;
}
}
}
For Realtime Database:
// Only authenticated users can access/write data
{
“rules”: {
“.read”: “auth != null”,
“.write”: “auth != null”
}
}
Speaking through experience, there are two main ways of securing your data:
Set a field in the document such as "userID" and only allow CRUD when the auth.uid value matches this field.
Use the collection-document-collection nature of cloud firestore and write a rule where you allow a user to CRUD all of their own collection. E.g.
match /users/{userID}{
allow read: if request.auth.uid ==userID;
allow write: if request.auth.uid == userID;
match /userDocs/{docID}{
allow read: if request.auth.uid == userID;
allow write: if request.auth.uid == userID;
}
}
Ideally you need to allow only authenticated users to access resource. From you code above
{
"rules": {
".read": true,
".write": true
}
}
The above will allow anybody to read and write to the database even to unauthenticated users.
for firestore as you can see the rules state that it should only allow full priviledge read and write to cloud firestore if only the date has not passed (2020,9,2)
VISIT the link To learn more about firebase database rules
and visit
to learn about firestore rules
You can use firebase authentication for your users then if they are authenticated they can access the database.
I have a chat app using Firebase that keeps on having a
setValue at x failed: DatabaseError: permission denied
error every time I type a message.
I set my Database to be public already:
service cloud.firestore {
match /databases/{database}/documents {
match /{allPaths=**} {
allow read, write: if request.auth.uid != null;
}
}
}
Is it something from within my chat reference?
private void displayChat() {
ListView listOfMessage = findViewById(R.id.list_of_message);
Query query = FirebaseDatabase.getInstance().getReference();
FirebaseListOptions<Chat> options = new FirebaseListOptions.Builder<Chat>()
.setLayout(R.layout.list_item)
.setQuery(query, Chat.class)
.build();
adapter = new FirebaseListAdapter<Chat>(options) {
#Override
protected void populateView(View v, Chat model, int position) {
//Get reference to the views of list_item.xml
TextView messageText, messageUser, messageTime;
messageText = v.findViewById(R.id.message_text);
messageUser = v.findViewById(R.id.message_user);
messageTime = v.findViewById(R.id.message_time);
messageText.setText(model.getMessageText());
messageUser.setText(model.getMessageUser());
messageTime.setText(DateFormat.format("dd-MM-yyyy (HH:mm:ss)", model.getMessageTime()));
}
};
listOfMessage.setAdapter(adapter);
}
Your code is using the Firebase Realtime Database, but you're changing the security rules for Cloud Firestore. While both databases are part of Firebase, they are completely different and the server-side security rules for one, don't apply to the other.
When you go the database panel in the Firebase console, you most likely end up in the Cloud Firestore rules:
If you are on the Cloud Firestore rules in the Firebase console, you can change to the Realtime Database rules by clicking Cloud Firestore BETA at the top, and then selecting Realtime Database from the list.
You can also directly go to the security rules for the Realtime Database, by clicking this link.
The security rules for the realtime database that match what you have are:
{
"rules": {
".read": "auth.uid !== null",
".write": "auth.uid !== null"
}
}
This will grant any authenticated user full read and write access to the entire database. Read my answer to this question on more on the security/risk trade-off for such rules: Firebase email saying my realtime database has insecure rules.
change this
request.auth.uid != null
to
request.auth.uid == null
or defined a proper auth mechanism before starting the conversation where user defined by userID
I can neither receive nor write data in the Cloud Firestore (Firebase). I do everything in an application based on Ember.
In the file config/environment.js were added all the data from the "console" Firebase.
I also changed the access rules for testing:
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if true;
}
}
}
When I try to retrieve the data:
model () {
return this.store.findAll('item')
// or
// return this.store.query('project', { orderBy: 'title' })
}
I'm getting errors:
Error while processing route: index – "permission_denied at /items: Client doesn't have permission to access the desired data."
And:
Error: permission_denied at /items: Client doesn't have permission to access the desired data.
What is the problem?
You need to modify firebase rules :
{
"rules": {
".read": "true",
".write": "true"
}
}
I'd really like to be able to secure my firestore db by allowing only firebase functions to write to the specific collection... how would I go about doing that? Looking at there documentation I do not find anything that might state how you could do that. For instance, I am looking for something like:
service cloud.firestore {
match /databases/{database}/documents {
// Match any document in the 'cities' collection
match /cities/{city} {
allow read;
allow write: if <from firebase function>;
}
}
}
Cloud Functions for Firebase code generally accesses other Firebase products using the Firebase Admin SDK. The Admin SDK will have full read and write access to Firestore, no matter how the permissions are set. You can neither explicitly allow nor deny access to the Admin SDK, which means you also can't explicitly allow nor deny access to Cloud Functions.
If you just want your backend to read and write some part of your database but none of your mobile client apps, simply reject access to all clients entirely, and let the Admin SDK do its work.
service cloud.firestore {
match /databases/{database}/documents {
// Match any document in the 'cities' collection
match /cities/{city} {
allow read: if false;
allow write: if false;
}
}
}
So, I use this rule:
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read: if false;
allow write: if false;
}
}
}
It's based on the above answer.
It just disallows access from any client app, except the Admin SDK.
As of Feb 2021 you can just declare
{
"rules": {
".read": false,
".write": false
}
}