forked from jruby/jruby
/
NetscapeSPKI.java
254 lines (228 loc) · 10.3 KB
/
NetscapeSPKI.java
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/***** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 1.0 (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.eclipse.org/legal/epl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2006, 2007 Ola Bini <ola@ologix.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.ext.openssl;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.PublicKey;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DERNull;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DLSequence;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.jce.netscape.NetscapeCertRequest;
import org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.RubyModule;
import org.jruby.RubyObject;
import org.jruby.RubyString;
import org.jruby.anno.JRubyMethod;
import org.jruby.exceptions.RaiseException;
import org.jruby.ext.openssl.impl.Base64;
import org.jruby.runtime.ObjectAllocator;
import org.jruby.runtime.Visibility;
import org.jruby.runtime.builtin.IRubyObject;
/**
* @author <a href="mailto:ola.bini@ki.se">Ola Bini</a>
*/
public class NetscapeSPKI extends RubyObject {
private static final long serialVersionUID = 3211242351810109432L;
private static ObjectAllocator NETSCAPESPKI_ALLOCATOR = new ObjectAllocator() {
public IRubyObject allocate(Ruby runtime, RubyClass klass) {
return new NetscapeSPKI(runtime, klass);
}
};
public static void createNetscapeSPKI(Ruby runtime, RubyModule ossl) {
RubyModule mNetscape = ossl.defineModuleUnder("Netscape");
RubyClass cSPKI = mNetscape.defineClassUnder("SPKI",runtime.getObject(),NETSCAPESPKI_ALLOCATOR);
RubyClass openSSLError = ossl.getClass("OpenSSLError");
mNetscape.defineClassUnder("SPKIError",openSSLError,openSSLError.getAllocator());
cSPKI.defineAnnotatedMethods(NetscapeSPKI.class);
}
public NetscapeSPKI(Ruby runtime, RubyClass type) {
super(runtime,type);
}
private IRubyObject public_key;
private IRubyObject challenge;
private NetscapeCertRequest cert;
@JRubyMethod(name = "initialize", rest = true, visibility = Visibility.PRIVATE)
public IRubyObject _initialize(IRubyObject[] args) {
if (args.length > 0) {
byte[] b = args[0].convertToString().getBytes();
b = tryBase64Decode(b);
final byte[] b2 = b;
String algo = null;
byte[] enc = null;
try {
// NetscapeCertRequest requires "BC" provider.
PublicKey pkey = (PublicKey) OpenSSLReal.getWithBCProvider(new OpenSSLReal.Callable() {
public Object call() throws GeneralSecurityException {
try {
// NetscapeCertRequest throws java.lang.IllegalArgumentException
// when no BC provider allowed, with a message
// "java.security.NoSuchProviderException: no such provider: BC"
// instead of NoSuchProviderException.
cert = new NetscapeCertRequest(b2);
challenge = getRuntime().newString(cert.getChallenge());
return cert.getPublicKey();
} catch (IOException ioe) {
throw new GeneralSecurityException(ioe.getMessage(), ioe);
}
}
});
algo = pkey.getAlgorithm();
enc = pkey.getEncoded();
} catch (GeneralSecurityException gse) {
throw newSPKIError(getRuntime(), gse.getMessage());
}
if ("RSA".equalsIgnoreCase(algo)) {
this.public_key = Utils.newRubyInstance(getRuntime(), "OpenSSL::PKey::RSA", RubyString.newString(getRuntime(), enc));
} else if ("DSA".equalsIgnoreCase(algo)) {
this.public_key = Utils.newRubyInstance(getRuntime(), "OpenSSL::PKey::DSA", RubyString.newString(getRuntime(), enc));
} else {
throw getRuntime().newLoadError("not implemented algo for public key: " + algo);
}
}
return this;
}
// just try to decode for the time when the given bytes are base64 encoded.
private byte[] tryBase64Decode(byte[] b) {
try {
b = Base64.decode(b, 0, b.length, Base64.NO_OPTIONS);
} catch (Exception ignored) {
}
return b;
}
@JRubyMethod
public IRubyObject to_der() {
try {
return RubyString.newString(getRuntime(), internalToDer());
} catch (IOException ioe) {
throw newSPKIError(getRuntime(), ioe.getMessage());
}
}
@JRubyMethod(name={"to_pem","to_s"})
public IRubyObject to_pem() {
try {
byte[] source = internalToDer();
// no Base64.DO_BREAK_LINES option needed for NSPKI.
return getRuntime().newString(Base64.encodeBytes(source, 0, source.length, Base64.NO_OPTIONS));
} catch (IOException ioe) {
throw newSPKIError(getRuntime(), ioe.getMessage());
}
}
private byte[] internalToDer() throws IOException {
ASN1Sequence b = (ASN1Sequence)cert.toASN1Primitive();
ASN1ObjectIdentifier encType = null;
DERBitString publicKey = new DERBitString(((PKey)public_key).to_der().convertToString().getBytes());
DERIA5String encodedChallenge = new DERIA5String(this.challenge.toString());
ASN1ObjectIdentifier sigAlg = null;
DERBitString sig = null;
encType = (ASN1ObjectIdentifier)((ASN1Sequence)((ASN1Sequence)((ASN1Sequence)b.getObjectAt(0)).getObjectAt(0)).getObjectAt(0)).getObjectAt(0);
sigAlg = ((AlgorithmIdentifier)b.getObjectAt(1)).getAlgorithm();
sig = (DERBitString)b.getObjectAt(2);
ASN1EncodableVector v1 = new ASN1EncodableVector();
ASN1EncodableVector v1_2 = new ASN1EncodableVector();
ASN1EncodableVector v2 = new ASN1EncodableVector();
ASN1EncodableVector v3 = new ASN1EncodableVector();
ASN1EncodableVector v4 = new ASN1EncodableVector();
v4.add(encType);
v4.add(new DERNull());
v3.add(new DLSequence(v4));
v3.add(publicKey);
v2.add(new DLSequence(v3));
v2.add(encodedChallenge);
v1.add(new DLSequence(v2));
v1_2.add(sigAlg);
v1_2.add(new DERNull());
v1.add(new DLSequence(v1_2));
v1.add(sig);
return new DLSequence(v1).getEncoded();
}
@JRubyMethod
public IRubyObject to_text() {
System.err.println("WARNING: calling unimplemented method: to_text");
return getRuntime().getNil();
}
@JRubyMethod
public IRubyObject public_key() {
return this.public_key;
}
@JRubyMethod(name="public_key=")
public IRubyObject set_public_key(IRubyObject arg) {
this.public_key = arg;
return arg;
}
@JRubyMethod
public IRubyObject sign(final IRubyObject key, IRubyObject digest) {
String keyAlg = ((PKey) key).getAlgorithm();
String digAlg = ((Digest) digest).getShortAlgorithm();
final ASN1ObjectIdentifier alg = ASN1.getOIDLookup(getRuntime()).get(keyAlg.toLowerCase() + "-" + digAlg.toLowerCase());
try {
// NetscapeCertRequest requires "BC" provider.
OpenSSLReal.doWithBCProvider(new OpenSSLReal.Runnable() {
public void run() throws GeneralSecurityException {
cert = new NetscapeCertRequest(challenge.toString(), new AlgorithmIdentifier(alg), ((PKey) public_key).getPublicKey());
cert.sign(((PKey) key).getPrivateKey());
}
});
} catch (GeneralSecurityException gse) {
throw newSPKIError(getRuntime(), gse.getMessage());
}
return this;
}
@JRubyMethod
public IRubyObject verify(final IRubyObject pkey) {
cert.setPublicKey(((PKey) pkey).getPublicKey());
try {
// NetscapeCertRequest requires "BC" provider.
Boolean result = (Boolean) OpenSSLReal.getWithBCProvider(new OpenSSLReal.Callable() {
public Boolean call() throws GeneralSecurityException {
return cert.verify(challenge.toString());
}
});
return result.booleanValue() ? getRuntime().getTrue() : getRuntime().getFalse();
} catch (GeneralSecurityException gse) {
throw newSPKIError(getRuntime(), gse.getMessage());
}
}
@JRubyMethod
public IRubyObject challenge() {
return this.challenge;
}
@JRubyMethod(name="challenge=")
public IRubyObject set_challenge(IRubyObject arg) {
this.challenge = arg;
return arg;
}
private static RaiseException newSPKIError(Ruby runtime, String message) {
return Utils.newError(runtime, "OpenSSL::Netscape::SPKIError", message);
}
}// NetscapeSPKI