Added password decryption functionality for Windows hosts

apis/cloudstack/src/main/java/org/jclouds/cloudstack/domain/EncryptedPasswordAndPrivateKey.java

@@ -0,0 +1,103 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds licenses this file
+ * to you 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 org.jclouds.cloudstack.domain;
+
+/**
+ * @author Andrei Savu
+ */
+public class EncryptedPasswordAndPrivateKey {
+
+   public static Builder builder() {
+      return new Builder();
+   }
+
+   public static class Builder {
+      private String encryptedPassword;
+      private String privateKey;
+      
+      public Builder encryptedPassword(String encryptedPassword) {
+         this.encryptedPassword = encryptedPassword;
+         return this;
+      }
+
+      public Builder encryptedPassword(EncryptedPassword password) {
+         return encryptedPassword(password.getEncryptedPassword());
+      }
+      
+      public Builder privateKey(String privateKey) {
+         this.privateKey = privateKey;
+         return this;
+      }
+      
+      public EncryptedPasswordAndPrivateKey build() {
+         return new EncryptedPasswordAndPrivateKey(encryptedPassword, privateKey);
+      }
+   }
+   
+   private final String encryptedPassword;
+   private final String privateKey;
+
+   public EncryptedPasswordAndPrivateKey(String encryptedPassword, String privateKey) {
+      this.encryptedPassword = encryptedPassword;
+      this.privateKey = privateKey;
+   }
+
+   /**
+    * @return the encrypted password String representation
+    */
+   public String getEncryptedPassword() {
+      return encryptedPassword;
+   }
+
+   /**
+    * @return get the string representation of the private key
+    */
+   public String getPrivateKey() {
+      return privateKey;
+   }
+
+   @Override
+   public boolean equals(Object o) {
+      if (this == o) return true;
+      if (o == null || getClass() != o.getClass()) return false;
+
+      EncryptedPasswordAndPrivateKey that = (EncryptedPasswordAndPrivateKey) o;
+
+      if (encryptedPassword != null ? !encryptedPassword.equals(that.encryptedPassword) : that.encryptedPassword != null)
+         return false;
+      if (privateKey != null ? !privateKey.equals(that.privateKey) : that.privateKey != null) return false;
+
+      return true;
+   }
+
+   @Override
+   public int hashCode() {
+      int result = encryptedPassword != null ? encryptedPassword.hashCode() : 0;
+      result = 31 * result + (privateKey != null ? privateKey.hashCode() : 0);
+      return result;
+   }
+
+   @Override
+   public String toString() {
+      return "EncryptedPasswordAndPrivateKey{" +
+         "encryptedPassword='" + encryptedPassword + '\'' +
+         ", privateKey='" + privateKey + '\'' +
+         '}';
+   }
+}

apis/cloudstack/src/main/java/org/jclouds/cloudstack/functions/WindowsLoginCredentialsFromEncryptedData.java

@@ -0,0 +1,61 @@
+package org.jclouds.cloudstack.functions;
+
+import com.google.common.base.Function;
+import com.google.common.base.Throwables;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import org.jclouds.cloudstack.domain.EncryptedPasswordAndPrivateKey;
+import org.jclouds.crypto.Crypto;
+import org.jclouds.crypto.Pems;
+import org.jclouds.domain.LoginCredentials;
+import org.jclouds.encryption.internal.Base64;
+import org.jclouds.javax.annotation.Nullable;
+
+import javax.crypto.Cipher;
+import java.nio.charset.Charset;
+import java.security.KeyFactory;
+import java.security.PrivateKey;
+import java.security.spec.KeySpec;
+
+/**
+ * Given an encrypted Windows Administrator password and the decryption key, return a LoginCredentials instance.
+ *
+ * @author Richard Downer, Andrei Savu
+ */
+@Singleton
+public class WindowsLoginCredentialsFromEncryptedData implements Function<EncryptedPasswordAndPrivateKey, LoginCredentials> {
+
+   private final Crypto crypto;
+
+   @Inject
+   public WindowsLoginCredentialsFromEncryptedData(Crypto crypto) {
+      this.crypto = crypto;
+   }
+
+   @Override
+   public LoginCredentials apply(@Nullable EncryptedPasswordAndPrivateKey dataAndKey) {
+      if (dataAndKey == null)
+         return null;
+
+      try {
+         KeySpec keySpec = Pems.privateKeySpec(dataAndKey.getPrivateKey());
+         KeyFactory kf = crypto.rsaKeyFactory();
+         PrivateKey privKey = kf.generatePrivate(keySpec);
+
+         Cipher cipher = crypto.cipher("RSA/NONE/PKCS1Padding");
+         cipher.init(Cipher.DECRYPT_MODE, privKey);
+         byte[] cipherText = Base64.decode(dataAndKey.getEncryptedPassword());
+         byte[] plainText = cipher.doFinal(cipherText);
+         String password = new String(plainText, Charset.forName("ASCII"));
+
+         return LoginCredentials.builder()
+            .user("Administrator")
+            .password(password)
+            .noPrivateKey()
+            .build();
+
+      } catch (Exception e) {
+         throw Throwables.propagate(e);
+      }
+   }
+}

apis/cloudstack/src/test/java/org/jclouds/cloudstack/compute/CloudStackExperimentLiveTest.java

@@ -20,19 +20,24 @@ package org.jclouds.cloudstack.compute;
 
 import org.jclouds.cloudstack.compute.options.CloudStackTemplateOptions;
 import org.jclouds.cloudstack.domain.EncryptedPassword;
+import org.jclouds.cloudstack.domain.EncryptedPasswordAndPrivateKey;
 import org.jclouds.cloudstack.domain.Network;
 import org.jclouds.cloudstack.domain.SshKeyPair;
 import org.jclouds.cloudstack.domain.TrafficType;
 import org.jclouds.cloudstack.features.BaseCloudStackClientLiveTest;
+import org.jclouds.cloudstack.functions.WindowsLoginCredentialsFromEncryptedData;
 import org.jclouds.cloudstack.options.ListNetworksOptions;
 import org.jclouds.compute.RunNodesException;
 import org.jclouds.compute.domain.NodeMetadata;
 import org.jclouds.compute.domain.Template;
 import org.jclouds.compute.predicates.NodePredicates;
-import org.testng.Assert;
+import org.jclouds.crypto.Crypto;
+import org.jclouds.encryption.bouncycastle.BouncyCastleCrypto;
 import org.testng.annotations.Test;
 
 import java.net.URI;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
 import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -43,9 +48,9 @@ import static com.google.common.collect.Iterables.getOnlyElement;
 import static com.google.common.collect.Sets.newTreeSet;
 import static org.jclouds.cloudstack.options.CreateNetworkOptions.Builder.vlan;
 import static org.jclouds.cloudstack.options.ListNetworkOfferingsOptions.Builder.specifyVLAN;
+import static org.testng.Assert.assertEquals;
 
 /**
- * 
  * @author Adrian Cole
  */
 @Test(groups = "live", testName = "CloudStackExperimentLiveTest")
@@ -127,7 +132,8 @@ public class CloudStackExperimentLiveTest extends BaseCloudStackClientLiveTest {
    }
 
    @Test
-   public void testCreateWindowsMachineWithKeyPairAndCheckIfTheGeneratedPasswordIsEncrypted() throws RunNodesException {
+   public void testCreateWindowsMachineWithKeyPairAndCheckIfTheGeneratedPasswordIsEncrypted()
+      throws RunNodesException, NoSuchAlgorithmException, CertificateException {
       // final Map<String, String> sshKey = SshKeys.generate();
       // final String publicKey = sshKey.get("public");
 
@@ -151,8 +157,12 @@ public class CloudStackExperimentLiveTest extends BaseCloudStackClientLiveTest {
          EncryptedPassword password = client.getVirtualMachineClient()
             .getEncryptedPasswordForVirtualMachine(Long.parseLong(node.getId()));
 
-         Assert.fail("Private key:" + keyPair.getPrivateKey() + "\nPassword: " + password.getEncryptedPassword());
-         // TODO: decrypt the password
+         Crypto crypto = new BouncyCastleCrypto();
+         WindowsLoginCredentialsFromEncryptedData passwordDecrypt = new WindowsLoginCredentialsFromEncryptedData(crypto);
+
+         assertEquals(passwordDecrypt.apply(EncryptedPasswordAndPrivateKey.builder()
+            .encryptedPassword(password).privateKey(keyPair.getPrivateKey()).build())
+            .getPassword(), "bX7vvptvw");
 
       } finally {
          if (node != null) {

apis/cloudstack/src/test/java/org/jclouds/cloudstack/features/VirtualMachineClientExpectTest.java

@@ -21,11 +21,17 @@ package org.jclouds.cloudstack.features;
 import com.google.common.collect.ImmutableMultimap;
 import org.jclouds.cloudstack.CloudStackContext;
 import org.jclouds.cloudstack.domain.EncryptedPassword;
+import org.jclouds.cloudstack.domain.EncryptedPasswordAndPrivateKey;
+import org.jclouds.cloudstack.functions.WindowsLoginCredentialsFromEncryptedData;
+import org.jclouds.crypto.Crypto;
+import org.jclouds.encryption.bouncycastle.BouncyCastleCrypto;
 import org.jclouds.http.HttpRequest;
 import org.jclouds.http.HttpResponse;
 import org.testng.annotations.Test;
 
 import java.net.URI;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
 
 import static org.testng.Assert.assertEquals;
 
@@ -37,7 +43,7 @@ import static org.testng.Assert.assertEquals;
 @Test(groups = "unit", testName = "VirtualMachineClientExpectTest")
 public class VirtualMachineClientExpectTest extends BaseCloudStackRestClientExpectTest<VirtualMachineClient> {
 
-   public void testGetPasswordForVirtualMachineWhenResponseIs2xx() {
+   public void testGetPasswordForVirtualMachineWhenResponseIs2xx() throws NoSuchAlgorithmException, CertificateException {
       String privateKey = "-----BEGIN RSA PRIVATE KEY-----\n" +
          "MIICXgIBAAKBgQDnaPKhTNgw7qPJVp3qsT+7XhhAbip25a0AnUgq8Fb9LPcZk00p\n" +
          "jm+m4JrKmDWKZWrHMNBhCNHMzvV9KrAXUMzL4s7mdEicbxTKratTYoyJM7a87bcZ\n" +
@@ -77,7 +83,11 @@ public class VirtualMachineClientExpectTest extends BaseCloudStackRestClientExpe
 
       assertEquals(actual, expected);
 
-      // TODO: decrypt the returned password using the private key
+      Crypto crypto = new BouncyCastleCrypto();
+      WindowsLoginCredentialsFromEncryptedData passwordDecrypt = new WindowsLoginCredentialsFromEncryptedData(crypto);
+
+      assertEquals(passwordDecrypt.apply(EncryptedPasswordAndPrivateKey.builder()
+         .encryptedPassword(actual).privateKey(privateKey).build()).getPassword(), "bX7vvptvw");
    }
 
    @Override