/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.derson.pumelo.network.volley.toolbox;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import com.derson.pumelo.network.volley.AuthFailureError;
/**
* An Authenticator that uses {@link android.accounts.AccountManager} to get auth
* tokens of a specified type for a specified account.
*/
public class AndroidAuthenticator implements Authenticator {
private final AccountManager mAccountManager;
private final Account mAccount;
private final String mAuthTokenType;
private final boolean mNotifyAuthFailure;
/**
* Creates a new authenticator.
* @param context Context for accessing AccountManager
* @param account Account to authenticate as
* @param authTokenType Auth token type passed to AccountManager
*/
public AndroidAuthenticator(Context context, Account account, String authTokenType) {
this(context, account, authTokenType, false);
}
/**
* Creates a new authenticator.
* @param context Context for accessing AccountManager
* @param account Account to authenticate as
* @param authTokenType Auth token type passed to AccountManager
* @param notifyAuthFailure Whether to raise a notification upon auth failure
*/
public AndroidAuthenticator(Context context, Account account, String authTokenType,
boolean notifyAuthFailure) {
this(AccountManager.get(context), account, authTokenType, notifyAuthFailure);
}
// Visible for testing. Allows injection of a mock AccountManager.
AndroidAuthenticator(AccountManager accountManager, Account account,
String authTokenType, boolean notifyAuthFailure) {
mAccountManager = accountManager;
mAccount = account;
mAuthTokenType = authTokenType;
mNotifyAuthFailure = notifyAuthFailure;
}
/**
* Returns the Account being used by this authenticator.
*/
public Account getAccount() {
return mAccount;
}
// TODO: Figure out what to do about notifyAuthFailure
@SuppressWarnings("deprecation")
@Override
public String getAuthToken() throws AuthFailureError {
AccountManagerFuture<Bundle> future = mAccountManager.getAuthToken(mAccount,
mAuthTokenType, mNotifyAuthFailure, null, null);
Bundle result;
try {
result = future.getResult();
} catch (Exception e) {
throw new AuthFailureError("Error while retrieving auth token", e);
}
String authToken = null;
if (future.isDone() && !future.isCancelled()) {
if (result.containsKey(AccountManager.KEY_INTENT)) {
Intent intent = result.getParcelable(AccountManager.KEY_INTENT);
throw new AuthFailureError(intent);
}
authToken = result.getString(AccountManager.KEY_AUTHTOKEN);
}
if (authToken == null) {
throw new AuthFailureError("Got null auth token for type: " + mAuthTokenType);
}
return authToken;
}
@Override
public void invalidateAuthToken(String authToken) {
mAccountManager.invalidateAuthToken(mAccount.type, authToken);
}
}