| /* |
| * Copyright (C) 2012 Square, Inc. |
| * Copyright (C) 2012 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.squareup.okhttp.internal; |
| |
| import dalvik.system.SocketTagger; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.InetSocketAddress; |
| import java.net.Socket; |
| import java.net.SocketException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| import java.util.List; |
| import javax.net.ssl.SSLSocket; |
| |
| import com.squareup.okhttp.Protocol; |
| |
| import okio.Buffer; |
| |
| /** |
| * Access to proprietary Android APIs. Doesn't use reflection. |
| */ |
| public final class Platform { |
| private static final Platform PLATFORM = new Platform(); |
| |
| public static Platform get() { |
| return PLATFORM; |
| } |
| |
| /** setUseSessionTickets(boolean) */ |
| private static final OptionalMethod<Socket> SET_USE_SESSION_TICKETS = |
| new OptionalMethod<Socket>(null, "setUseSessionTickets", Boolean.TYPE); |
| /** setHostname(String) */ |
| private static final OptionalMethod<Socket> SET_HOSTNAME = |
| new OptionalMethod<Socket>(null, "setHostname", String.class); |
| /** byte[] getAlpnSelectedProtocol() */ |
| private static final OptionalMethod<Socket> GET_ALPN_SELECTED_PROTOCOL = |
| new OptionalMethod<Socket>(byte[].class, "getAlpnSelectedProtocol"); |
| /** setAlpnSelectedProtocol(byte[]) */ |
| private static final OptionalMethod<Socket> SET_ALPN_PROTOCOLS = |
| new OptionalMethod<Socket>(null, "setAlpnProtocols", byte[].class ); |
| |
| public void logW(String warning) { |
| System.logW(warning); |
| } |
| |
| public void tagSocket(Socket socket) throws SocketException { |
| SocketTagger.get().tag(socket); |
| } |
| |
| public void untagSocket(Socket socket) throws SocketException { |
| SocketTagger.get().untag(socket); |
| } |
| |
| public URI toUriLenient(URL url) throws URISyntaxException { |
| return url.toURILenient(); |
| } |
| |
| public void configureTlsExtensions( |
| SSLSocket sslSocket, String hostname, List<Protocol> protocols) { |
| // Enable SNI and session tickets. |
| if (hostname != null) { |
| SET_USE_SESSION_TICKETS.invokeOptionalWithoutCheckedException(sslSocket, true); |
| SET_HOSTNAME.invokeOptionalWithoutCheckedException(sslSocket, hostname); |
| } |
| |
| // Enable ALPN. |
| boolean alpnSupported = SET_ALPN_PROTOCOLS.isSupported(sslSocket); |
| if (!alpnSupported) { |
| return; |
| } |
| |
| Object[] parameters = { concatLengthPrefixed(protocols) }; |
| if (alpnSupported) { |
| SET_ALPN_PROTOCOLS.invokeWithoutCheckedException(sslSocket, parameters); |
| } |
| } |
| |
| /** |
| * Called after the TLS handshake to release resources allocated by {@link |
| * #configureTlsExtensions}. |
| */ |
| public void afterHandshake(SSLSocket sslSocket) { |
| } |
| |
| public String getSelectedProtocol(SSLSocket socket) { |
| boolean alpnSupported = GET_ALPN_SELECTED_PROTOCOL.isSupported(socket); |
| if (!alpnSupported) { |
| return null; |
| } |
| |
| byte[] alpnResult = |
| (byte[]) GET_ALPN_SELECTED_PROTOCOL.invokeWithoutCheckedException(socket); |
| if (alpnResult != null) { |
| return new String(alpnResult, Util.UTF_8); |
| } |
| return null; |
| } |
| |
| public void connectSocket(Socket socket, InetSocketAddress address, |
| int connectTimeout) throws IOException { |
| socket.connect(address, connectTimeout); |
| } |
| |
| /** Prefix used on custom headers. */ |
| public String getPrefix() { |
| return "X-Android"; |
| } |
| |
| /** |
| * Returns the concatenation of 8-bit, length prefixed protocol names. |
| * http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4 |
| */ |
| static byte[] concatLengthPrefixed(List<Protocol> protocols) { |
| Buffer result = new Buffer(); |
| for (int i = 0, size = protocols.size(); i < size; i++) { |
| Protocol protocol = protocols.get(i); |
| if (protocol == Protocol.HTTP_1_0) continue; // No HTTP/1.0 for ALPN. |
| result.writeByte(protocol.toString().length()); |
| result.writeUtf8(protocol.toString()); |
| } |
| return result.readByteArray(); |
| } |
| } |