72 lines
2.3 KiB
Java
72 lines
2.3 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.emailcommon.utility;
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import android.app.Activity;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Bundle;
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import android.security.KeyChain;
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import android.security.KeyChainAliasCallback;
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/**
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* A headless Activity which simply calls into the framework {@link KeyChain} service to select
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* a certificate to use for establishing secure connections in the Email app.
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*/
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public class CertificateRequestor extends Activity implements KeyChainAliasCallback {
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public static final String EXTRA_HOST = "CertificateRequestor.host";
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public static final String EXTRA_PORT = "CertificateRequestor.port";
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public static final String RESULT_ALIAS = "CertificateRequestor.alias";
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public static final Uri CERTIFICATE_REQUEST_URI =
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Uri.parse("eas://com.android.emailcommon/certrequest");
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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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Intent i = getIntent();
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String host = i.getStringExtra(EXTRA_HOST);
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int port = i.getIntExtra(EXTRA_PORT, -1);
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if (savedInstanceState == null) {
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KeyChain.choosePrivateKeyAlias(
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this, this,
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null /* keytypes */, null /* issuers */,
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host, port,
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null /* alias */);
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}
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}
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/**
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* Callback for the certificate request. Does not happen on the UI thread.
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*/
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@Override
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public void alias(String alias) {
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if (alias == null) {
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setResult(RESULT_CANCELED);
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} else {
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Intent data = new Intent();
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data.putExtra(RESULT_ALIAS, alias);
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setResult(RESULT_OK, data);
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}
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finish();
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}
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}
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