74 lines
2.4 KiB
Java
74 lines
2.4 KiB
Java
/*
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* Copyright (C) 2009 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.settings;
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import android.app.Activity;
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import android.content.Intent;
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import android.os.Bundle;
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import android.security.Credentials;
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import android.security.KeyStore;
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import android.util.Log;
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/**
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* Installs credentials to the system keystore. It reacts to the
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* {@link Credentials#SYSTEM_INSTALL_ACTION} intent. All the key-value pairs in
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* the intent are installed to the system keystore. For security reason, the
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* current implementation limits that only com.android.certinstaller can use
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* this service.
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*/
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public class CredentialInstaller extends Activity {
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private static final String TAG = "CredentialInstaller";
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private KeyStore mKeyStore = KeyStore.getInstance();
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private boolean mUnlocking = false;
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@Override
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protected void onResume() {
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super.onResume();
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if (!"com.android.certinstaller".equals(getCallingPackage())) finish();
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if (!isKeyStoreLocked()) {
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install();
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finish();
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} else if (!mUnlocking) {
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mUnlocking = true;
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Credentials.getInstance().unlock(this);
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} else {
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finish();
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}
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}
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private void install() {
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Intent intent = getIntent();
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Bundle bundle = (intent == null) ? null : intent.getExtras();
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if (bundle == null) return;
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for (String key : bundle.keySet()) {
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byte[] data = bundle.getByteArray(key);
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if (data == null) continue;
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boolean success = mKeyStore.put(key.getBytes(), data);
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Log.v(TAG, "install " + key + ": " + data.length + " success? " + success);
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if (!success) return;
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}
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setResult(RESULT_OK);
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}
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private boolean isKeyStoreLocked() {
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return (mKeyStore.test() != KeyStore.NO_ERROR);
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}
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}
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