160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor/* 260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Copyright (C) 2010 The Android Open Source Project 360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * 460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Licensed under the Apache License, Version 2.0 (the "License"); 560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * you may not use this file except in compliance with the License. 660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * You may obtain a copy of the License at 760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * 860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * http://www.apache.org/licenses/LICENSE-2.0 960586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * 1060586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Unless required by applicable law or agreed to in writing, software 1160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * distributed under the License is distributed on an "AS IS" BASIS, 1260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * See the License for the specific language governing permissions and 1460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * limitations under the License. 1560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor */ 1660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 1760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorpackage android.net; 1860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 1960586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorimport org.apache.harmony.xnet.provider.jsse.FileClientSessionCache; 2060586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorimport org.apache.harmony.xnet.provider.jsse.SSLClientSessionCache; 2160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 2260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorimport android.content.Context; 2360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorimport android.util.Log; 2460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 2560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorimport java.io.File; 2660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorimport java.io.IOException; 2760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 2860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor/** 2960586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * File-based cache of established SSL sessions. When re-establishing a 3060586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * connection to the same server, using an SSL session cache can save some time, 3160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * power, and bandwidth by skipping directly to an encrypted stream. 3260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * This is a persistent cache which can span executions of the application. 3360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * 3460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * @see SSLCertificateSocketFactory 3560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor */ 3660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnorpublic final class SSLSessionCache { 3760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor private static final String TAG = "SSLSessionCache"; 3860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor /* package */ final SSLClientSessionCache mSessionCache; 3960586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 4060586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor /** 4160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Create a session cache using the specified directory. 4260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Individual session entries will be files within the directory. 4360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Multiple instances for the same directory share data internally. 4460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * 4560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * @param dir to store session files in (created if necessary) 4660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * @throws IOException if the cache can't be opened 4760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor */ 4860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor public SSLSessionCache(File dir) throws IOException { 4960586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor mSessionCache = FileClientSessionCache.usingDirectory(dir); 5060586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor } 5160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor 5260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor /** 5360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Create a session cache at the default location for this app. 5460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * Multiple instances share data internally. 5560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * 5660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor * @param context for the application 5760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor */ 5860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor public SSLSessionCache(Context context) { 5960586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor File dir = context.getDir("sslcache", Context.MODE_PRIVATE); 6060586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor SSLClientSessionCache cache = null; 6160586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor try { 6260586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor cache = FileClientSessionCache.usingDirectory(dir); 6360586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor } catch (IOException e) { 6460586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor Log.w(TAG, "Unable to create SSL session cache in " + dir, e); 6560586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor } 6660586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor mSessionCache = cache; 6760586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor } 6860586f2ec65d16d185767fce4311d3ed0e9112acDan Egnor} 69