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Dave
2015-06-27 21:50:28 +02:00
parent 7bb6c6fdfa
commit 34b9a748f9
36 changed files with 2381 additions and 2360 deletions
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127
src/nodash/models/NoInfluence.java
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@@ -1,22 +1,20 @@
/*
* Copyright 2014 David Horscroft
*
* 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.
*
* NoInfluence is an abstract class allowing for the subclassing of user
* influences, generated by both actions and the server. Upon login, the user
* consumes NoByteSets (generated by .getByteSet()) into the primary NoInfluence,
* which is then applied to the user with .applyTo(NoUser).
* 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.
*
* NoInfluence is an abstract class allowing for the subclassing of user influences, generated by
* both actions and the server. Upon login, the user consumes NoByteSets (generated by
* .getByteSet()) into the primary NoInfluence, which is then applied to the user with
* .applyTo(NoUser).
*
* Examples include incoming messages, financial changes or charges or updates.
*/
@@ -40,53 +38,54 @@ import javax.crypto.SecretKey;
import nodash.core.NoUtil;
import nodash.exceptions.NoDashFatalException;
public abstract class NoInfluence implements Serializable {
private static final long serialVersionUID = -7509462039664862920L;
public abstract class NoInfluence implements Serializable {
private static final long serialVersionUID = -7509462039664862920L;
public abstract void applyTo(NoUser user);
public final NoByteSet getByteSet(PublicKey publicKey) {
KeyGenerator keyGen;
try {
keyGen = KeyGenerator.getInstance(NoUtil.CIPHER_KEY_SPEC);
} catch (NoSuchAlgorithmException e) {
throw new NoDashFatalException("Value for CIPHER_KEY_SPEC is not valid.", e);
}
keyGen.init(NoUtil.AES_STRENGTH);
SecretKey secretKey = keyGen.generateKey();
byte[] key = secretKey.getEncoded();
byte[] encryptedKey = NoUtil.encryptRSA(key, publicKey);
byte[] data = this.getEncrypted(key);
NoUtil.wipeBytes(key);
return new NoByteSet(encryptedKey, data);
}
private final byte[] getEncrypted(byte[] key) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(this);
byte[] encrypted = NoUtil.encrypt(baos.toByteArray(), key);
oos.close();
baos.close();
return encrypted;
} catch (IOException e) {
throw new NoDashFatalException("Unable to write NoInfluence object to byte stream.", e);
}
}
public static NoInfluence decrypt(byte[] data, byte[] key) throws IllegalBlockSizeException,
BadPaddingException, ClassNotFoundException {
byte[] decrypted = NoUtil.decrypt(data, key);
ByteArrayInputStream bais = new ByteArrayInputStream(decrypted);
try {
ObjectInputStream ois = new ObjectInputStream(bais);
NoInfluence noInfluence = (NoInfluence) ois.readObject();
ois.close();
bais.close();
return noInfluence;
} catch (IOException e) {
throw new NoDashFatalException("Unable to read out provided data stream.", e);
}
}
public abstract void applyTo(NoUser user);
public final NoByteSet getByteSet(PublicKey publicKey) {
KeyGenerator keyGen;
try {
keyGen = KeyGenerator.getInstance(NoUtil.CIPHER_KEY_SPEC);
} catch (NoSuchAlgorithmException e) {
throw new NoDashFatalException("Value for CIPHER_KEY_SPEC is not valid.", e);
}
keyGen.init(NoUtil.AES_STRENGTH);
SecretKey secretKey = keyGen.generateKey();
byte[] key = secretKey.getEncoded();
byte[] encryptedKey = NoUtil.encryptRSA(key, publicKey);
byte[] data = this.getEncrypted(key);
NoUtil.wipeBytes(key);
return new NoByteSet(encryptedKey, data);
}
private final byte[] getEncrypted(byte[] key) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(this);
byte[] encrypted = NoUtil.encrypt(baos.toByteArray(), key);
oos.close();
baos.close();
return encrypted;
} catch (IOException e) {
throw new NoDashFatalException("Unable to write NoInfluence object to byte stream.", e);
}
}
public static NoInfluence decrypt(byte[] data, byte[] key) throws IllegalBlockSizeException, BadPaddingException, ClassNotFoundException {
byte[] decrypted = NoUtil.decrypt(data, key);
ByteArrayInputStream bais = new ByteArrayInputStream(decrypted);
try {
ObjectInputStream ois = new ObjectInputStream(bais);
NoInfluence noInfluence = (NoInfluence) ois.readObject();
ois.close();
bais.close();
return noInfluence;
} catch (IOException e) {
throw new NoDashFatalException("Unable to read out provided data stream.", e);
}
}
}