mirror of
https://github.com/puma/puma.git
synced 2022-11-09 13:48:40 -05:00
422 lines
13 KiB
Java
422 lines
13 KiB
Java
package org.jruby.puma;
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import org.jruby.Ruby;
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import org.jruby.RubyClass;
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import org.jruby.RubyModule;
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import org.jruby.RubyObject;
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import org.jruby.RubyString;
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import org.jruby.anno.JRubyMethod;
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import org.jruby.javasupport.JavaEmbedUtils;
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import org.jruby.runtime.Block;
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import org.jruby.runtime.ObjectAllocator;
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import org.jruby.runtime.ThreadContext;
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import org.jruby.runtime.builtin.IRubyObject;
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import org.jruby.util.ByteList;
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import javax.net.ssl.KeyManagerFactory;
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import javax.net.ssl.TrustManagerFactory;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLEngine;
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import javax.net.ssl.SSLEngineResult;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLPeerUnverifiedException;
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import javax.net.ssl.SSLSession;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.nio.Buffer;
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import java.nio.ByteBuffer;
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import java.security.KeyManagementException;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.UnrecoverableKeyException;
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import java.security.cert.CertificateEncodingException;
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import java.security.cert.CertificateException;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.Map;
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import static javax.net.ssl.SSLEngineResult.Status;
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import static javax.net.ssl.SSLEngineResult.HandshakeStatus;
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public class MiniSSL extends RubyObject {
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private static ObjectAllocator ALLOCATOR = new ObjectAllocator() {
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public IRubyObject allocate(Ruby runtime, RubyClass klass) {
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return new MiniSSL(runtime, klass);
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}
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};
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public static void createMiniSSL(Ruby runtime) {
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RubyModule mPuma = runtime.defineModule("Puma");
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RubyModule ssl = mPuma.defineModuleUnder("MiniSSL");
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mPuma.defineClassUnder("SSLError",
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runtime.getClass("IOError"),
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runtime.getClass("IOError").getAllocator());
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RubyClass eng = ssl.defineClassUnder("Engine",runtime.getObject(),ALLOCATOR);
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eng.defineAnnotatedMethods(MiniSSL.class);
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}
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/**
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* Fairly transparent wrapper around {@link java.nio.ByteBuffer} which adds the enhancements we need
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*/
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private static class MiniSSLBuffer {
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ByteBuffer buffer;
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private MiniSSLBuffer(int capacity) { buffer = ByteBuffer.allocate(capacity); }
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private MiniSSLBuffer(byte[] initialContents) { buffer = ByteBuffer.wrap(initialContents); }
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public void clear() { buffer.clear(); }
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public void compact() { buffer.compact(); }
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public void flip() { ((Buffer) buffer).flip(); }
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public boolean hasRemaining() { return buffer.hasRemaining(); }
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public int position() { return buffer.position(); }
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public ByteBuffer getRawBuffer() {
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return buffer;
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}
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/**
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* Writes bytes to the buffer after ensuring there's room
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*/
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public void put(byte[] bytes) {
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if (buffer.remaining() < bytes.length) {
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resize(buffer.limit() + bytes.length);
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}
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buffer.put(bytes);
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}
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/**
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* Ensures that newCapacity bytes can be written to this buffer, only re-allocating if necessary
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*/
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public void resize(int newCapacity) {
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if (newCapacity > buffer.capacity()) {
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ByteBuffer dstTmp = ByteBuffer.allocate(newCapacity);
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flip();
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dstTmp.put(buffer);
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buffer = dstTmp;
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} else {
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buffer.limit(newCapacity);
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}
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}
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/**
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* Drains the buffer to a ByteList, or returns null for an empty buffer
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*/
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public ByteList asByteList() {
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flip();
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if (!buffer.hasRemaining()) {
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buffer.clear();
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return null;
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}
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byte[] bss = new byte[buffer.limit()];
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buffer.get(bss);
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buffer.clear();
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return new ByteList(bss);
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}
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@Override
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public String toString() { return buffer.toString(); }
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}
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private SSLEngine engine;
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private boolean closed;
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private boolean handshake;
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private MiniSSLBuffer inboundNetData;
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private MiniSSLBuffer outboundAppData;
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private MiniSSLBuffer outboundNetData;
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public MiniSSL(Ruby runtime, RubyClass klass) {
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super(runtime, klass);
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}
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private static Map<String, KeyManagerFactory> keyManagerFactoryMap = new ConcurrentHashMap<String, KeyManagerFactory>();
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private static Map<String, TrustManagerFactory> trustManagerFactoryMap = new ConcurrentHashMap<String, TrustManagerFactory>();
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@JRubyMethod(meta = true)
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public static synchronized IRubyObject server(ThreadContext context, IRubyObject recv, IRubyObject miniSSLContext)
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throws KeyStoreException, IOException, CertificateException, NoSuchAlgorithmException, UnrecoverableKeyException {
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// Create the KeyManagerFactory and TrustManagerFactory for this server
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String keystoreFile = miniSSLContext.callMethod(context, "keystore").convertToString().asJavaString();
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char[] password = miniSSLContext.callMethod(context, "keystore_pass").convertToString().asJavaString().toCharArray();
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KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
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InputStream is = new FileInputStream(keystoreFile);
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try {
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ks.load(is, password);
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} finally {
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is.close();
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}
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KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
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kmf.init(ks, password);
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keyManagerFactoryMap.put(keystoreFile, kmf);
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KeyStore ts = KeyStore.getInstance(KeyStore.getDefaultType());
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is = new FileInputStream(keystoreFile);
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try {
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ts.load(is, password);
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} finally {
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is.close();
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}
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TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
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tmf.init(ts);
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trustManagerFactoryMap.put(keystoreFile, tmf);
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RubyClass klass = (RubyClass) recv;
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return klass.newInstance(context,
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new IRubyObject[] { miniSSLContext },
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Block.NULL_BLOCK);
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}
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@JRubyMethod
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public IRubyObject initialize(ThreadContext threadContext, IRubyObject miniSSLContext)
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throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException {
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KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
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KeyStore ts = KeyStore.getInstance(KeyStore.getDefaultType());
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String keystoreFile = miniSSLContext.callMethod(threadContext, "keystore").convertToString().asJavaString();
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KeyManagerFactory kmf = keyManagerFactoryMap.get(keystoreFile);
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TrustManagerFactory tmf = trustManagerFactoryMap.get(keystoreFile);
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if(kmf == null || tmf == null) {
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throw new KeyStoreException("Could not find KeyManagerFactory/TrustManagerFactory for keystore: " + keystoreFile);
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}
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SSLContext sslCtx = SSLContext.getInstance("TLS");
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sslCtx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
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closed = false;
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handshake = false;
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engine = sslCtx.createSSLEngine();
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String[] protocols;
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if(miniSSLContext.callMethod(threadContext, "no_tlsv1").isTrue()) {
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protocols = new String[] { "TLSv1.1", "TLSv1.2" };
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} else {
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protocols = new String[] { "TLSv1", "TLSv1.1", "TLSv1.2" };
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}
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if(miniSSLContext.callMethod(threadContext, "no_tlsv1_1").isTrue()) {
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protocols = new String[] { "TLSv1.2" };
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}
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engine.setEnabledProtocols(protocols);
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engine.setUseClientMode(false);
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long verify_mode = miniSSLContext.callMethod(threadContext, "verify_mode").convertToInteger("to_i").getLongValue();
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if ((verify_mode & 0x1) != 0) { // 'peer'
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engine.setWantClientAuth(true);
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}
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if ((verify_mode & 0x2) != 0) { // 'force_peer'
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engine.setNeedClientAuth(true);
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}
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IRubyObject sslCipherListObject = miniSSLContext.callMethod(threadContext, "ssl_cipher_list");
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if (!sslCipherListObject.isNil()) {
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String[] sslCipherList = sslCipherListObject.convertToString().asJavaString().split(",");
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engine.setEnabledCipherSuites(sslCipherList);
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}
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SSLSession session = engine.getSession();
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inboundNetData = new MiniSSLBuffer(session.getPacketBufferSize());
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outboundAppData = new MiniSSLBuffer(session.getApplicationBufferSize());
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outboundAppData.flip();
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outboundNetData = new MiniSSLBuffer(session.getPacketBufferSize());
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return this;
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}
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@JRubyMethod
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public IRubyObject inject(IRubyObject arg) {
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try {
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byte[] bytes = arg.convertToString().getBytes();
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inboundNetData.put(bytes);
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return this;
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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private enum SSLOperation {
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WRAP,
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UNWRAP
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}
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private SSLEngineResult doOp(SSLOperation sslOp, MiniSSLBuffer src, MiniSSLBuffer dst) throws SSLException {
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SSLEngineResult res = null;
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boolean retryOp = true;
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while (retryOp) {
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switch (sslOp) {
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case WRAP:
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res = engine.wrap(src.getRawBuffer(), dst.getRawBuffer());
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break;
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case UNWRAP:
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res = engine.unwrap(src.getRawBuffer(), dst.getRawBuffer());
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break;
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default:
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throw new IllegalStateException("Unknown SSLOperation: " + sslOp);
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}
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switch (res.getStatus()) {
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case BUFFER_OVERFLOW:
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// increase the buffer size to accommodate the overflowing data
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int newSize = Math.max(engine.getSession().getPacketBufferSize(), engine.getSession().getApplicationBufferSize());
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dst.resize(newSize + dst.position());
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// retry the operation
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retryOp = true;
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break;
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case BUFFER_UNDERFLOW:
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// need to wait for more data to come in before we retry
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retryOp = false;
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break;
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case CLOSED:
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closed = true;
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retryOp = false;
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break;
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default:
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// other case is OK. We're done here.
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retryOp = false;
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}
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if (res.getHandshakeStatus() == HandshakeStatus.FINISHED) {
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handshake = true;
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}
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}
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// after each op, run any delegated tasks if needed
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if(res.getHandshakeStatus() == HandshakeStatus.NEED_TASK) {
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Runnable runnable;
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while ((runnable = engine.getDelegatedTask()) != null) {
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runnable.run();
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}
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}
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return res;
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}
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@JRubyMethod
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public IRubyObject read() throws Exception {
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try {
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inboundNetData.flip();
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if(!inboundNetData.hasRemaining()) {
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return getRuntime().getNil();
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}
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MiniSSLBuffer inboundAppData = new MiniSSLBuffer(engine.getSession().getApplicationBufferSize());
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doOp(SSLOperation.UNWRAP, inboundNetData, inboundAppData);
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HandshakeStatus handshakeStatus = engine.getHandshakeStatus();
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boolean done = false;
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SSLEngineResult res = null;
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while (!done) {
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switch (handshakeStatus) {
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case NEED_WRAP:
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res = doOp(SSLOperation.WRAP, inboundAppData, outboundNetData);
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break;
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case NEED_UNWRAP:
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res = doOp(SSLOperation.UNWRAP, inboundNetData, inboundAppData);
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if (res.getStatus() == Status.BUFFER_UNDERFLOW) {
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// need more data before we can shake more hands
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done = true;
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}
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break;
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default:
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done = true;
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}
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if (!done) {
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handshakeStatus = res.getHandshakeStatus();
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}
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}
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if (inboundNetData.hasRemaining()) {
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inboundNetData.compact();
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} else {
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inboundNetData.clear();
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}
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ByteList appDataByteList = inboundAppData.asByteList();
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if (appDataByteList == null) {
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return getRuntime().getNil();
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}
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RubyString str = getRuntime().newString("");
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str.setValue(appDataByteList);
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return str;
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} catch (Exception e) {
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throw getRuntime().newEOFError(e.getMessage());
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}
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}
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@JRubyMethod
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public IRubyObject write(IRubyObject arg) {
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try {
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byte[] bls = arg.convertToString().getBytes();
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outboundAppData = new MiniSSLBuffer(bls);
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return getRuntime().newFixnum(bls.length);
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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@JRubyMethod
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public IRubyObject extract() throws SSLException {
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try {
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ByteList dataByteList = outboundNetData.asByteList();
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if (dataByteList != null) {
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RubyString str = getRuntime().newString("");
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str.setValue(dataByteList);
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return str;
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}
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if (!outboundAppData.hasRemaining()) {
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return getRuntime().getNil();
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}
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outboundNetData.clear();
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doOp(SSLOperation.WRAP, outboundAppData, outboundNetData);
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dataByteList = outboundNetData.asByteList();
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if (dataByteList == null) {
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return getRuntime().getNil();
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}
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RubyString str = getRuntime().newString("");
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str.setValue(dataByteList);
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return str;
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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@JRubyMethod
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public IRubyObject peercert() throws CertificateEncodingException {
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try {
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return JavaEmbedUtils.javaToRuby(getRuntime(), engine.getSession().getPeerCertificates()[0].getEncoded());
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} catch (SSLPeerUnverifiedException ex) {
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return getRuntime().getNil();
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}
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}
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@JRubyMethod(name = "init?")
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public IRubyObject isInit(ThreadContext context) {
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return handshake ? getRuntime().getFalse() : getRuntime().getTrue();
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}
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@JRubyMethod
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public IRubyObject shutdown() {
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if (closed || engine.isInboundDone() && engine.isOutboundDone()) {
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if (engine.isOutboundDone()) {
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engine.closeOutbound();
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}
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return getRuntime().getTrue();
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} else {
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return getRuntime().getFalse();
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}
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}
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}
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