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marinacoelhothatfiredev
marinacoelho
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thatfiredev
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Add Credential Manager to Auth samples (firebase#610)
* Add Credential Manager to Kotlin sample * Add Credential Manager to Java sample and improve Kotlin sample * Add sign out * Fix tags to add to the documentation * Update method name * Update auth/app/src/main/java/com/google/firebase/quickstart/auth/kotlin/GoogleSignInActivity.kt Co-authored-by: Rosário P. Fernandes <[email protected]> * Update method name to match Credential Manager docs, merge Firebase sign out with clearing credential state --------- Co-authored-by: Rosário P. Fernandes <[email protected]>
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‎auth/app/build.gradle.kts

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@@ -49,6 +49,11 @@ dependencies {
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// [START gradle_firebase_ui_auth]
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implementation("com.firebaseui:firebase-ui-auth:8.0.2")
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// Google Identity Services SDK (only required for Auth with Google)
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implementation("androidx.credentials:credentials:1.3.0")
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implementation("androidx.credentials:credentials-play-services-auth:1.3.0")
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implementation("com.google.android.libraries.identity.googleid:googleid:1.1.1")
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// Required only if Facebook login support is required
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// Find the latest Facebook SDK releases here: https://goo.gl/Ce5L94
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implementation("com.facebook.android:facebook-android-sdk:4.42.0")

‎auth/app/src/main/java/com/google/firebase/quickstart/auth/GoogleSignInActivity.java

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@@ -16,57 +16,61 @@
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package com.google.firebase.quickstart.auth;
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import android.app.Activity;
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import android.content.Intent;
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import static com.google.android.libraries.identity.googleid.GoogleIdTokenCredential.TYPE_GOOGLE_ID_TOKEN_CREDENTIAL;
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import android.os.Bundle;
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import android.os.CancellationSignal;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import com.google.android.gms.auth.api.signin.GoogleSignIn;
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import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
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import com.google.android.gms.auth.api.signin.GoogleSignInClient;
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import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
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import com.google.android.gms.common.api.ApiException;
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import com.google.android.gms.tasks.OnCompleteListener;
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import com.google.android.gms.tasks.Task;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.credentials.ClearCredentialStateRequest;
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import androidx.credentials.Credential;
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import androidx.credentials.CredentialManager;
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import androidx.credentials.CredentialManagerCallback;
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import androidx.credentials.CustomCredential;
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import androidx.credentials.GetCredentialRequest;
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import androidx.credentials.GetCredentialResponse;
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import androidx.credentials.exceptions.ClearCredentialException;
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import androidx.credentials.exceptions.GetCredentialException;
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import com.google.android.libraries.identity.googleid.GetGoogleIdOption;
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import com.google.android.libraries.identity.googleid.GoogleIdTokenCredential;
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import com.google.firebase.auth.AuthCredential;
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import com.google.firebase.auth.AuthResult;
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import com.google.firebase.auth.FirebaseAuth;
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import com.google.firebase.auth.FirebaseUser;
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import com.google.firebase.auth.GoogleAuthProvider;
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import java.util.concurrent.Executors;
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/**
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* Demonstrate Firebase Authentication using a Google ID Token.
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*/
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public class GoogleSignInActivity extends Activity {
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public class GoogleSignInActivity extends AppCompatActivity {
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private static final String TAG = "GoogleActivity";
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private static final int RC_SIGN_IN = 9001;
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// [START declare_auth]
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private FirebaseAuth mAuth;
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// [END declare_auth]
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private GoogleSignInClient mGoogleSignInClient;
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// [START declare_credential_manager]
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private CredentialManager credentialManager;
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// [END declare_credential_manager]
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// [START config_signin]
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// Configure Google Sign In
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GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
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.requestIdToken(getString(R.string.default_web_client_id))
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.requestEmail()
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.build();
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mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
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// [END config_signin]
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// [START initialize_auth]
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// Initialize Firebase Auth
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mAuth = FirebaseAuth.getInstance();
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// [END initialize_auth]
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// [START initialize_credential_manager]
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// Initialize Credential Manager
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credentialManager = CredentialManager.create(getBaseContext());
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// [END initialize_credential_manager]
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launchCredentialManager();
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}
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// [START on_start_check_user]
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}
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// [END on_start_check_user]
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// [START onactivityresult]
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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// Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
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if (requestCode == RC_SIGN_IN) {
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Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
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try {
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// Google Sign In was successful, authenticate with Firebase
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GoogleSignInAccount account = task.getResult(ApiException.class);
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Log.d(TAG, "firebaseAuthWithGoogle:" + account.getId());
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firebaseAuthWithGoogle(account.getIdToken());
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} catch (ApiException e) {
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// Google Sign In failed, update UI appropriately
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Log.w(TAG, "Google sign in failed", e);
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}
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private void launchCredentialManager() {
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// [START create_credential_manager_request]
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// Instantiate a Google sign-in request
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GetGoogleIdOption googleIdOption = new GetGoogleIdOption.Builder()
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.setFilterByAuthorizedAccounts(true)
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.setServerClientId(getString(R.string.default_web_client_id))
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.build();
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// Create the Credential Manager request
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GetCredentialRequest request = new GetCredentialRequest.Builder()
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.addCredentialOption(googleIdOption)
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.build();
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// [END create_credential_manager_request]
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// Launch Credential Manager UI
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credentialManager.getCredentialAsync(
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getBaseContext(),
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request,
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new CancellationSignal(),
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Executors.newSingleThreadExecutor(),
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new CredentialManagerCallback<>() {
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@Override
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public void onResult(GetCredentialResponse result) {
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// Extract credential from the result returned by Credential Manager
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handleSignIn(result.getCredential());
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}
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@Override
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public void onError(GetCredentialException e) {
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Log.e(TAG, "Couldn't retrieve user's credentials: " + e.getLocalizedMessage());
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}
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}
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);
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}
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// [START handle_sign_in]
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private void handleSignIn(Credential credential) {
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// Check if credential is of type Google ID
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if (credential instanceof CustomCredential customCredential
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&& credential.getType().equals(TYPE_GOOGLE_ID_TOKEN_CREDENTIAL)) {
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// Create Google ID Token
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Bundle credentialData = customCredential.getData();
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GoogleIdTokenCredential googleIdTokenCredential = GoogleIdTokenCredential.createFrom(credentialData);
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// Sign in to Firebase with using the token
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firebaseAuthWithGoogle(googleIdTokenCredential.getIdToken());
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} else {
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Log.w(TAG, "Credential is not of type Google ID!");
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}
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}
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// [END onactivityresult]
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// [END handle_sign_in]
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// [START auth_with_google]
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private void firebaseAuthWithGoogle(String idToken) {
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AuthCredential credential = GoogleAuthProvider.getCredential(idToken, null);
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mAuth.signInWithCredential(credential)
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.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
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@Override
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public void onComplete(@NonNull Task<AuthResult> task) {
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if (task.isSuccessful()) {
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// Sign in success, update UI with the signed-in user's information
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Log.d(TAG, "signInWithCredential:success");
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FirebaseUser user = mAuth.getCurrentUser();
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updateUI(user);
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} else {
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// If sign in fails, display a message to the user.
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Log.w(TAG, "signInWithCredential:failure", task.getException());
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updateUI(null);
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}
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.addOnCompleteListener(this, task -> {
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if (task.isSuccessful()) {
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// Sign in success, update UI with the signed-in user's information
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Log.d(TAG, "signInWithCredential:success");
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FirebaseUser user = mAuth.getCurrentUser();
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updateUI(user);
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} else {
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// If sign in fails, display a message to the user
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Log.w(TAG, "signInWithCredential:failure", task.getException());
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updateUI(null);
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}
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});
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}
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// [END auth_with_google]
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// [START signin]
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private void signIn() {
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Intent signInIntent = mGoogleSignInClient.getSignInIntent();
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startActivityForResult(signInIntent, RC_SIGN_IN);
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// [START sign_out]
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private void signOut() {
159+
// Firebase sign out
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mAuth.signOut();
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// When a user signs out, clear the current user credential state from all credential providers.
163+
ClearCredentialStateRequest clearRequest = new ClearCredentialStateRequest();
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credentialManager.clearCredentialStateAsync(
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clearRequest,
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new CancellationSignal(),
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Executors.newSingleThreadExecutor(),
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new CredentialManagerCallback<>() {
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@Override
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public void onResult(@NonNull Void result) {
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updateUI(null);
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}
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@Override
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public void onError(@NonNull ClearCredentialException e) {
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Log.e(TAG, "Couldn't clear user credentials: " + e.getLocalizedMessage());
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}
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});
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}
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// [END signin]
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// [END sign_out]
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private void updateUI(FirebaseUser user) {
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