| /* |
| * 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.android.emailcommon.utility; |
| |
| import android.app.Activity; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.security.KeyChain; |
| import android.security.KeyChainAliasCallback; |
| |
| /** |
| * A headless Activity which simply calls into the framework {@link KeyChain} service to select |
| * a certificate to use for establishing secure connections in the Email app. |
| */ |
| public class CertificateRequestor extends Activity implements KeyChainAliasCallback { |
| public static final String EXTRA_HOST = "CertificateRequestor.host"; |
| public static final String EXTRA_PORT = "CertificateRequestor.port"; |
| |
| public static final String RESULT_ALIAS = "CertificateRequestor.alias"; |
| |
| public static final Uri CERTIFICATE_REQUEST_URI = |
| Uri.parse("eas://com.android.emailcommon/certrequest"); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| Intent i = getIntent(); |
| String host = i.getStringExtra(EXTRA_HOST); |
| int port = i.getIntExtra(EXTRA_PORT, -1); |
| |
| if (savedInstanceState == null) { |
| KeyChain.choosePrivateKeyAlias( |
| this, this, |
| null /* keytypes */, null /* issuers */, |
| host, port, |
| null /* alias */); |
| } |
| } |
| |
| /** |
| * Callback for the certificate request. Does not happen on the UI thread. |
| */ |
| @Override |
| public void alias(String alias) { |
| if (alias == null) { |
| setResult(RESULT_CANCELED); |
| } else { |
| Intent data = new Intent(); |
| data.putExtra(RESULT_ALIAS, alias); |
| setResult(RESULT_OK, data); |
| } |
| finish(); |
| } |
| } |