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A0Auth0Module.java
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A0Auth0Module.java
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package com.auth0.react;
import android.app.Activity;
import android.content.Intent;
import androidx.annotation.NonNull;
import androidx.fragment.app.FragmentActivity;
import com.auth0.android.Auth0;
import com.auth0.android.authentication.AuthenticationAPIClient;
import com.auth0.android.authentication.AuthenticationException;
import com.auth0.android.authentication.storage.CredentialsManagerException;
import com.auth0.android.authentication.storage.LocalAuthenticationOptions;
import com.auth0.android.authentication.storage.SecureCredentialsManager;
import com.auth0.android.authentication.storage.SharedPreferencesStorage;
import com.auth0.android.provider.WebAuthProvider;
import com.auth0.android.result.Credentials;
import com.facebook.react.bridge.ActivityEventListener;
import com.facebook.react.bridge.Promise;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.UiThreadUtil;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
public class A0Auth0Module extends ReactContextBaseJavaModule implements ActivityEventListener {
private static final String CREDENTIAL_MANAGER_ERROR_CODE = "a0.invalid_state.credential_manager_exception";
private static final String INVALID_DOMAIN_URL_ERROR_CODE = "a0.invalid_domain_url";
private static final String BIOMETRICS_AUTHENTICATION_ERROR_CODE = "a0.invalid_options_biometrics_authentication";
private static final int LOCAL_AUTH_REQUEST_CODE = 150;
public static final int UNKNOWN_ERROR_RESULT_CODE = 1405;
private final ReactApplicationContext reactContext;
private Auth0 auth0;
private SecureCredentialsManager secureCredentialsManager;
private Promise webAuthPromise;
public A0Auth0Module(ReactApplicationContext reactContext) {
super(reactContext);
this.reactContext = reactContext;
this.reactContext.addActivityEventListener(this);
}
@ReactMethod
public void initializeAuth0WithConfiguration(String clientId, String domain, ReadableMap localAuthenticationOptions, Promise promise) {
this.auth0 = Auth0.getInstance(clientId, domain);
if (localAuthenticationOptions != null) {
Activity activity = getCurrentActivity();
if (activity instanceof FragmentActivity) {
try {
LocalAuthenticationOptions localAuthOptions = LocalAuthenticationOptionsParser.fromMap(localAuthenticationOptions);
this.secureCredentialsManager = new SecureCredentialsManager(
reactContext,
auth0,
new SharedPreferencesStorage(reactContext),
(FragmentActivity) activity,
localAuthOptions);
promise.resolve(true);
return;
} catch (Exception e) {
this.secureCredentialsManager = getSecureCredentialsManagerWithoutBiometrics();
promise.reject(BIOMETRICS_AUTHENTICATION_ERROR_CODE, "Failed to parse the Local Authentication Options, hence proceeding without Biometrics Authentication for handling Credentials");
return;
}
} else {
this.secureCredentialsManager = getSecureCredentialsManagerWithoutBiometrics();
promise.reject(BIOMETRICS_AUTHENTICATION_ERROR_CODE, "Biometrics Authentication for Handling Credentials are supported only on FragmentActivity, since a different activity is supplied, proceeding without it");
return;
}
}
this.secureCredentialsManager = getSecureCredentialsManagerWithoutBiometrics();
promise.resolve(true);
}
private @NonNull SecureCredentialsManager getSecureCredentialsManagerWithoutBiometrics() {
return new SecureCredentialsManager(
reactContext,
auth0,
new SharedPreferencesStorage(reactContext));
}
@ReactMethod
public void hasValidAuth0InstanceWithConfiguration(String clientId, String domain, Promise promise) {
if(this.auth0 == null) {
promise.resolve(false);
return;
}
String currentDomain;
try {
URL domainUrl = new URL(this.auth0.getDomainUrl());
currentDomain = domainUrl.getHost();
} catch (MalformedURLException e) {
promise.reject(INVALID_DOMAIN_URL_ERROR_CODE, "Invalid domain URL", e);
return;
}
promise.resolve(this.auth0.getClientId().equals(clientId) && currentDomain.equals(domain));
}
@ReactMethod
public void getCredentials(String scope, double minTtl, ReadableMap parameters, boolean forceRefresh,
Promise promise) {
Map<String, String> cleanedParameters = new HashMap<>();
for (Map.Entry<String, Object> entry : parameters.toHashMap().entrySet()) {
if (entry.getValue() != null) {
cleanedParameters.put(entry.getKey(), entry.getValue().toString());
}
}
UiThreadUtil.runOnUiThread(() -> secureCredentialsManager.getCredentials(scope, (int) minTtl, cleanedParameters, forceRefresh,
new com.auth0.android.callback.Callback<Credentials, CredentialsManagerException>() {
@Override
public void onSuccess(Credentials credentials) {
ReadableMap map = CredentialsParser.toMap(credentials);
promise.resolve(map);
}
@Override
public void onFailure(@NonNull CredentialsManagerException e) {
promise.reject(CREDENTIAL_MANAGER_ERROR_CODE, e.getMessage(), e);
}
}));
}
@ReactMethod
public void saveCredentials(ReadableMap credentials, Promise promise) {
try {
this.secureCredentialsManager.saveCredentials(CredentialsParser.fromMap(credentials));
promise.resolve(true);
} catch (CredentialsManagerException e) {
promise.reject(CREDENTIAL_MANAGER_ERROR_CODE, e.getMessage(), e);
}
}
@ReactMethod
public void clearCredentials(Promise promise) {
this.secureCredentialsManager.clearCredentials();
promise.resolve(true);
}
@ReactMethod
public void hasValidCredentials(double minTtl, Promise promise) {
promise.resolve(this.secureCredentialsManager.hasValidCredentials((long) minTtl));
}
@Override
public Map<String, Object> getConstants() {
final Map<String, Object> constants = new HashMap<>();
constants.put("bundleIdentifier", reactContext.getApplicationInfo().packageName);
return constants;
}
@NonNull
@Override
public String getName() {
return "A0Auth0";
}
@ReactMethod
public void webAuth(String scheme, String redirectUri, String state, String nonce, String audience, String scope,
String connection, int maxAge, String organization, String invitationUrl, int leeway,
boolean ephemeralSession, int safariViewControllerPresentationStyle, ReadableMap additionalParameters,
Promise promise) {
this.webAuthPromise = promise;
Map<String, String> cleanedParameters = new HashMap<>();
for (Map.Entry<String, Object> entry : additionalParameters.toHashMap().entrySet()) {
if (entry.getValue() != null) {
cleanedParameters.put(entry.getKey(), entry.getValue().toString());
}
}
WebAuthProvider.Builder builder = WebAuthProvider.login(this.auth0)
.withScheme(scheme);
if (state != null) {
builder.withState(state);
}
if (nonce != null) {
builder.withNonce(nonce);
}
if (audience != null) {
builder.withAudience(audience);
}
if (scope != null) {
builder.withScope(scope);
}
if (connection != null) {
builder.withConnection(connection);
}
if (maxAge != 0) {
builder.withMaxAge(maxAge);
}
if (organization != null) {
builder.withOrganization(organization);
}
if (invitationUrl != null) {
builder.withInvitationUrl(invitationUrl);
}
if (leeway != 0) {
builder.withIdTokenVerificationLeeway(leeway);
}
if (redirectUri != null) {
builder.withRedirectUri(redirectUri);
}
builder.withParameters(cleanedParameters);
builder.start(reactContext.getCurrentActivity(),
new com.auth0.android.callback.Callback<Credentials, AuthenticationException>() {
@Override
public void onSuccess(Credentials result) {
ReadableMap map = CredentialsParser.toMap(result);
promise.resolve(map);
webAuthPromise = null;
}
@Override
public void onFailure(@NonNull AuthenticationException error) {
handleError(error, promise);
webAuthPromise = null;
}
});
}
@ReactMethod
public void webAuthLogout(String scheme, boolean federated, String redirectUri, Promise promise) {
WebAuthProvider.LogoutBuilder builder = WebAuthProvider.logout(this.auth0)
.withScheme(scheme);
if (federated) {
builder.withFederated();
}
if (redirectUri != null) {
builder.withReturnToUrl(redirectUri);
}
builder.start(reactContext.getCurrentActivity(),
new com.auth0.android.callback.Callback<Void, AuthenticationException>() {
@Override
public void onSuccess(Void credentials) {
promise.resolve(true);
}
@Override
public void onFailure(AuthenticationException e) {
handleError(e, promise);
}
});
}
private void handleError(AuthenticationException error, Promise promise) {
if (error.isBrowserAppNotAvailable()) {
promise.reject("a0.browser_not_available", "No Browser application is installed.", error);
return;
}
if (error.isCanceled()) {
promise.reject("a0.session.user_cancelled", "User cancelled the Auth", error);
return;
}
if (error.isNetworkError()) {
promise.reject("a0.network_error", "Network error", error);
return;
}
if (error.isIdTokenValidationError()) {
promise.reject("a0.session.invalid_idtoken", "Error validating ID Token", error);
return;
}
String separator = error.getMessage().endsWith(".") ? "" : ".";
promise.reject(error.getCode(), error.getMessage() + separator + " CAUSE: " + error.getDescription(), error);
}
@Override
public void onActivityResult(Activity activity, int requestCode, int resultCode, Intent data) {
// No-op
}
@Override
public void onNewIntent(Intent intent) {
if (webAuthPromise != null) {
webAuthPromise.reject("a0.session.browser_terminated",
"The browser window was closed by a new instance of the application");
webAuthPromise = null;
}
}
}