| /* |
| * Copyright (C) 2010 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.example.android.samplesync.authenticator; |
| |
| import android.accounts.AbstractAccountAuthenticator; |
| import android.accounts.Account; |
| import android.accounts.AccountAuthenticatorResponse; |
| import android.accounts.AccountManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| |
| import com.example.android.samplesync.Constants; |
| import com.example.android.samplesync.R; |
| import com.example.android.samplesync.client.NetworkUtilities; |
| |
| /** |
| * This class is an implementation of AbstractAccountAuthenticator for |
| * authenticating accounts in the com.example.android.samplesync domain. |
| */ |
| class Authenticator extends AbstractAccountAuthenticator { |
| |
| // Authentication Service context |
| private final Context mContext; |
| |
| public Authenticator(Context context) { |
| super(context); |
| mContext = context; |
| } |
| |
| @Override |
| public Bundle addAccount(AccountAuthenticatorResponse response, String accountType, |
| String authTokenType, String[] requiredFeatures, Bundle options) { |
| |
| final Intent intent = new Intent(mContext, AuthenticatorActivity.class); |
| intent.putExtra(AuthenticatorActivity.PARAM_AUTHTOKEN_TYPE, authTokenType); |
| intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response); |
| final Bundle bundle = new Bundle(); |
| bundle.putParcelable(AccountManager.KEY_INTENT, intent); |
| return bundle; |
| } |
| |
| @Override |
| public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account, |
| Bundle options) { |
| |
| if (options != null && options.containsKey(AccountManager.KEY_PASSWORD)) { |
| final String password = options.getString(AccountManager.KEY_PASSWORD); |
| final boolean verified = onlineConfirmPassword(account.name, password); |
| final Bundle result = new Bundle(); |
| result.putBoolean(AccountManager.KEY_BOOLEAN_RESULT, verified); |
| return result; |
| } |
| // Launch AuthenticatorActivity to confirm credentials |
| final Intent intent = new Intent(mContext, AuthenticatorActivity.class); |
| intent.putExtra(AuthenticatorActivity.PARAM_USERNAME, account.name); |
| intent.putExtra(AuthenticatorActivity.PARAM_CONFIRM_CREDENTIALS, true); |
| intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response); |
| final Bundle bundle = new Bundle(); |
| bundle.putParcelable(AccountManager.KEY_INTENT, intent); |
| return bundle; |
| } |
| |
| @Override |
| public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account, |
| String authTokenType, Bundle loginOptions) { |
| |
| if (!authTokenType.equals(Constants.AUTHTOKEN_TYPE)) { |
| final Bundle result = new Bundle(); |
| result.putString(AccountManager.KEY_ERROR_MESSAGE, "invalid authTokenType"); |
| return result; |
| } |
| final AccountManager am = AccountManager.get(mContext); |
| final String password = am.getPassword(account); |
| if (password != null) { |
| final boolean verified = onlineConfirmPassword(account.name, password); |
| if (verified) { |
| final Bundle result = new Bundle(); |
| result.putString(AccountManager.KEY_ACCOUNT_NAME, account.name); |
| result.putString(AccountManager.KEY_ACCOUNT_TYPE, Constants.ACCOUNT_TYPE); |
| result.putString(AccountManager.KEY_AUTHTOKEN, password); |
| return result; |
| } |
| } |
| // the password was missing or incorrect, return an Intent to an |
| // Activity that will prompt the user for the password. |
| final Intent intent = new Intent(mContext, AuthenticatorActivity.class); |
| intent.putExtra(AuthenticatorActivity.PARAM_USERNAME, account.name); |
| intent.putExtra(AuthenticatorActivity.PARAM_AUTHTOKEN_TYPE, authTokenType); |
| intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response); |
| final Bundle bundle = new Bundle(); |
| bundle.putParcelable(AccountManager.KEY_INTENT, intent); |
| return bundle; |
| } |
| |
| @Override |
| public String getAuthTokenLabel(String authTokenType) { |
| if (Constants.AUTHTOKEN_TYPE.equals(authTokenType)) { |
| return mContext.getString(R.string.label); |
| } |
| return null; |
| } |
| |
| @Override |
| public Bundle hasFeatures(AccountAuthenticatorResponse response, Account account, |
| String[] features) { |
| |
| final Bundle result = new Bundle(); |
| result.putBoolean(AccountManager.KEY_BOOLEAN_RESULT, false); |
| return result; |
| } |
| |
| /** |
| * Validates user's password on the server |
| */ |
| private boolean onlineConfirmPassword(String username, String password) { |
| return NetworkUtilities |
| .authenticate(username, password, null/* Handler */, null/* Context */); |
| } |
| |
| @Override |
| public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account, |
| String authTokenType, Bundle loginOptions) { |
| |
| final Intent intent = new Intent(mContext, AuthenticatorActivity.class); |
| intent.putExtra(AuthenticatorActivity.PARAM_USERNAME, account.name); |
| intent.putExtra(AuthenticatorActivity.PARAM_AUTHTOKEN_TYPE, authTokenType); |
| intent.putExtra(AuthenticatorActivity.PARAM_CONFIRM_CREDENTIALS, false); |
| final Bundle bundle = new Bundle(); |
| bundle.putParcelable(AccountManager.KEY_INTENT, intent); |
| return bundle; |
| } |
| } |