I have a flutter app which uses pdf files and video files. I have put these files in firebase storage and I put the url of these files in database collections to use them in my app.
I do not want any email and password authentication on my app. Are my pdf and video files secure?
Can anybody access them or obtain them?
This is my rules for database:
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write;
}
}
}
This is my rules for firebase storage :
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
Your rules allows anybody to read, modify or delete your files, so not, your files are not safe at all.
If you want your files to be safe, you must consider implement some kind of authentication and set the appropriate rules to only you or certain group of users be able to access your files.
You can read more about setting rules in the Firebase documentation.
If you don't want to ask your users to enter credentials, but still want a modicum of security, consider using Firebase's anonymous authentication provider. From the documentation:
You can use Firebase Authentication to create and use temporary anonymous accounts to authenticate with Firebase. These temporary anonymous accounts can be used to allow users who haven't yet signed up to your app to work with data protected by security rules. If an anonymous user decides to sign up to your app, you can link their sign-in credentials to the anonymous account so that they can continue to work with their protected data in future sessions.
Of course if you don't want to associate your files or data with a specific user, then anonymous auth is also pretty meaningless. But at that point you're indeed looking to allow pure unauthenticated public access. This may be a fine option too, as long as you realize that your project will be charged for any reads/writes by any users.
If you want any users, without identifying them or providing credentials, to be able to read the data/files, but not write any data/files of their own, you're looking for read-only rules:
allow read; if true;
allow write: if false;
Or shorter, but less explicit to read:
allow read
Related
I made a simple app for underprivileged students so that they can learn during the Pandemic. I update notes for each subject daily through the firebase console (Cloud firestore). No authentication included because the students are small, and not well versed with technology.
I have only allowed read and deleted the write options in the security rules. Last night I got this email. I have added the image copy. I just want everyone to download the app and read the data(Notes) but no one to write. Is my database safe? Can anyone write, delete or manipulate the database if they got the project id?
Soon I'm planning to buy the blaze plan but now I'm a little insecure.
My security rules are as follows:
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read;
}
}
}
email
As stated in that email/warning message, the rules you have are not considered secure. As your rules currently stand, a malicious user could abuse your database by calling hundreds of requests to it which may lead to unexpected billing charges.
The trigger for this warning is simple - if "allow read; or "allow write; is present on the /{document=**} path, send the user the warning as these broad rules are considered a bug and should be tightened. One of the main reasons the warning exists is if you store sensitive user data like phone numbers, email addresses, billing information under a /users/someUserId document - with the current rules this is now publicly accessible and can get you in toruble with data privacy laws and regulations like GDPR. There are a number of other similar conditions that also send similar warnings like if the system detects that the default 30 days of read/write access has expired.
If your data is expected to be publicly accessible, rather than grant read access to the entire database, grant it to the specific collections that you want to be public.
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
// public database of cars
match /cars/{carId} {
allow read;
}
// public database of trains
match /trains/{trainId} {
allow read;
}
// only that user can read/write their own data
match /users/{userId} {
allow read: if request.auth != null && request.auth.uid == userId;
allow write: if request.auth != null && request.auth.uid == userId;
}
}
}
I recommend having a read of the fixing insecure rules documentation for more information.
You can also make use of granular rules to limit the queries that can be performed against your database such as limiting getting a list of posts to 10 at a time.
yes it is safe, and people can only read stuff
no one can write to it unless they can access the database directly
it's completely safe, no 1 can write or delete your database, but since the database is open to read to everyone, hence some notorious people might send endless requests to your database and exaust ur daily limit if u using free plan or if u using biling, ur biling cost will sky rocket.
so best is to make read permission for authenticated users only, and on app side, u can do anonymous login, so that u don't have to enforce gmail or other login on app side, and unauthenticated users can't exaust ur daily limit, check the following link for anonymous login https://firebase.google.com/docs/auth/android/anonymous-auth
I have received an email from Firebase stating the title of this post with these details:
We've detected the following issue(s) with your security rules:
any user can read your entire database
any user can write to your entire database
My Firebase database rules are as follows:
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow read, write: if true;
}
}
}
I am not sure what to do. For my app users need to be able to read mostly and write (sometimes to submit stuff). Does anyone have tips to secure this better, or even if I can do anything?
Do you use Firebase Authentication in your app? If yes, then change the security rules to this :
allow read, write: if request.auth != null;
This rule will allow only logged-in user to get and write data to database. This should be a good starting point for a simple app. However, if you are not using Firebase Authentication, then you must implement your own authenticate scheme, but this is just not recommended for security
sorry for being naive. I'm a little confused about authentication with kreait/firebase-php package. I defined some rules at firebase console, like:
rules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow create,delete:if request.auth.uid == true;
}
}
}
The problem is that, even if I change the rule, the behavior of the services(CRUD) will work the same way. It appears that the JSON document (service account downloaded from google) has all permissions or does not require firebase rules.
In my case, I want to restrict access and database operations to users where they don't have authentication and permissions.
I am currently checking the email / password. If the request is true, the method will return a token. After that, I persist the token in CACHE and delete it when the user logs out. With each request, the middleware checks whether the token exists in CACHE. That way, it will only help me to restrict the user's access pages. How do I restrict the operation of the database (CRUD)? Thank you all!
This behavior is expected. Access to Firestore coming from code initialized with a service account will always bypass security rules. Security rules only apply to access from the web and mobile client SDKs, and the REST API when provided with a Firebase Authentication token.
I have an angular app with appropriate firebaseConfig that has the apiKey correctly configured. When the app is initialized it is supposed to go to the corresponding Firestore and collect the email addresses there and store them for later user authentication. The problem is that the app is unable to do this unless there is a user logged in. This is confusing because I thought that the app could access the Firestore database without having someone already authenticated. The only workaround I have been able to come up with is to set the Firestore rules to allow global read access. That way, when the app starts, it is guaranteed to have access to the database and emails therein.
What am I missing here?
If your security rules are like this:
// 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.uid != null;
}
}
}
Then only if the user is authenticated they can access the data. You can change your rules to the following:
// 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.uid != null;
}
match /{collectionName}/{docId} {
allow read: if collectionName == 'emailCollection';
}
}
}
This way if the user is authenticated then they can access all the documents, and if collection name is equal to emailCollection then a none authenticated user can access it.
https://firebase.google.com/docs/firestore/security/rules-structure#overlapping_match_statements
You're not missing anything. If you want users to be able to query Firestore collections without being authenticated ahead of time, that collection is going to need full public read access. It's not possible to write security rules that limit access to the database to a particular app or web site.
I am creating a Flutter mobile app and want to use Cloud Firestore to store some data that the clients should access. So far, there is no user-specific data, so I don't want my users to have to login in the app. What security rules do I need to specify to allow clients to read data, but deny public access (from "outside" of the app)?
These are the security rules I have setup so far.
service cloud.firestore {
match /databases/{database}/documents {
match /{document=**} {
allow write: if false;
allow read: if request.auth.uid != null;
}
}
}
Under Authentication --> Sign-in method, I have enabled anonymous authentication. But I'm not sure if the security rules are correct and what Dart code I need in the client to get the desired behavior (no need for client to specify credentials, but protection of my data from access outside of the app).
so I don't want my users to have to login in the app.
But you authenticate them. Even if it's an anonymous authentication, it's still an authentication.
What security rules do I need to specify to allow clients to read data, but deny public access (from "outside" of the app)?
The exact rules you already have.
But I'm not sure if the security rules are correct.
The rules are correct.
what Dart code I need in the client to get the desired behavior (no need for client to specify credentials, but protection of my data from access outside of the app).
Your code should look similar to this.