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From lmc...@apache.org
Subject knox git commit: KNOX-613 - Provide Credential Collector Abstraction to Client Shell
Date Mon, 26 Oct 2015 20:39:57 GMT
Repository: knox
Updated Branches:
  refs/heads/master 58ffaf213 -> 0a9f33b03


KNOX-613 - Provide Credential Collector Abstraction to Client Shell

Project: http://git-wip-us.apache.org/repos/asf/knox/repo
Commit: http://git-wip-us.apache.org/repos/asf/knox/commit/0a9f33b0
Tree: http://git-wip-us.apache.org/repos/asf/knox/tree/0a9f33b0
Diff: http://git-wip-us.apache.org/repos/asf/knox/diff/0a9f33b0

Branch: refs/heads/master
Commit: 0a9f33b03ed57e37eaebba62db78ff948ea1aae3
Parents: 58ffaf2
Author: Larry McCay <lmccay@hortonworks.com>
Authored: Mon Oct 26 16:33:54 2015 -0400
Committer: Larry McCay <lmccay@hortonworks.com>
Committed: Mon Oct 26 16:33:54 2015 -0400

----------------------------------------------------------------------
 .../shell/AbstractCredentialCollector.java      | 74 ++++++++++++++++++
 .../AbstractJavaConsoleCredentialCollector.java | 66 ++++++++++++++++
 .../shell/ClearInputCredentialCollector.java    | 45 +++++++++++
 .../shell/CredentialCollectionException.java    | 34 ++++++++
 .../gateway/shell/CredentialCollector.java      | 29 +++++++
 .../hadoop/gateway/shell/Credentials.java       | 63 +++++++++++++++
 .../shell/HiddenInputCredentialCollector.java   | 45 +++++++++++
 ...che.hadoop.gateway.shell.CredentialCollector | 20 +++++
 .../hadoop/gateway/security/PromptUtils.java    | 82 ++++++++++++++++++++
 .../gateway/security/UsernamePassword.java      | 45 +++++++++++
 10 files changed, 503 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractCredentialCollector.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractCredentialCollector.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractCredentialCollector.java
new file mode 100644
index 0000000..a0ef54b
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractCredentialCollector.java
@@ -0,0 +1,74 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+import java.io.UnsupportedEncodingException;
+
+public abstract class AbstractCredentialCollector implements CredentialCollector {
+
+  protected String prompt;
+  protected String value;
+  private String name;
+
+  /**
+   * 
+   */
+  public AbstractCredentialCollector() {
+    super();
+  }
+
+  public boolean validate() {
+    return true;
+  }
+
+  @Override
+  public String string() {
+    return value;
+  }
+
+  @Override
+  public char[] chars() {
+    return value.toCharArray();
+  }
+
+  @Override
+  public byte[] bytes() {
+    try {
+      return value.getBytes("UTF-8");
+    } catch (UnsupportedEncodingException e) {
+      System.out.println("Unsupported encoding.");
+    }
+    return null;
+  }
+
+  @Override
+  public void setPrompt(String prompt) {
+    this.prompt = prompt;
+  }
+
+  @Override
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  @Override
+  public String name() {
+    return name;
+  }
+
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractJavaConsoleCredentialCollector.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractJavaConsoleCredentialCollector.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractJavaConsoleCredentialCollector.java
new file mode 100644
index 0000000..a976cbe
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/AbstractJavaConsoleCredentialCollector.java
@@ -0,0 +1,66 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+import java.io.Console;
+
+/**
+ *
+ */
+public abstract class AbstractJavaConsoleCredentialCollector extends AbstractCredentialCollector
{
+
+  public AbstractJavaConsoleCredentialCollector() {
+    super();
+  }
+
+  protected String collectClearCredential(String prompt) {
+    Console c = System.console();
+    if (c == null) {
+      System.err.println("No console.");
+      System.exit(1);
+    }
+  
+    String username = c.readLine(prompt + ": ");
+    value = username;
+  
+    return value;
+  }
+
+  protected String collectHiddenCredential(String prompt) {
+    char[] response = null;
+    Console c = System.console();
+    if (c == null) {
+      System.err.println("No console.");
+      System.exit(1);
+    }
+  
+    response = c.readPassword(prompt + ": ");
+    value = new String(response);
+  
+    return value;
+  }
+
+  @Override
+  public boolean validate() {
+    boolean rc = true;
+    if (value == null || value.isEmpty()) {
+      rc = false;
+    }
+    return rc;
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/ClearInputCredentialCollector.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/ClearInputCredentialCollector.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/ClearInputCredentialCollector.java
new file mode 100644
index 0000000..49e086c
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/ClearInputCredentialCollector.java
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+
+public class ClearInputCredentialCollector extends AbstractJavaConsoleCredentialCollector
{
+  public static String COLLECTOR_TYPE = "ClearInput";
+  /* (non-Javadoc)
+   * @see org.apache.hadoop.gateway.shell.CredentialCollector#collect()
+   */
+  @Override
+  public void collect() throws CredentialCollectionException {
+    boolean valid = false;
+    while (!valid) {
+      collectClearCredential(prompt);
+      valid = validate();
+      if (!valid) {
+        System.out.println("** Must not be empty **");
+      }
+    }
+  }
+
+  /* (non-Javadoc)
+   * @see org.apache.hadoop.gateway.shell.CredentialCollector#name()
+   */
+  @Override
+  public String type() {
+    return COLLECTOR_TYPE;
+  }
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollectionException.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollectionException.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollectionException.java
new file mode 100644
index 0000000..f5f1b37
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollectionException.java
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+public class CredentialCollectionException extends Exception {
+  private static final long serialVersionUID = 1L;
+
+  public CredentialCollectionException(String string) {
+    super(string);
+  }
+
+  public CredentialCollectionException(String string, Exception e) {
+    super(string, e);
+  }
+
+  public CredentialCollectionException() {
+    super();
+  }
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollector.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollector.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollector.java
new file mode 100644
index 0000000..420c885
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/CredentialCollector.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+public interface CredentialCollector {
+  void collect() throws CredentialCollectionException;
+  String string();
+  char[] chars();
+  byte[] bytes();
+  String type();
+  String name();
+  void setPrompt(String prompt);
+  void setName(String name);
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/Credentials.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/Credentials.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/Credentials.java
new file mode 100644
index 0000000..01aea70
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/Credentials.java
@@ -0,0 +1,63 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+import java.util.ArrayList;
+import java.util.ServiceLoader;
+
+public class Credentials {
+  ArrayList<CredentialCollector> collectors = new ArrayList<CredentialCollector>();
+  
+  public Credentials add(String collectorType, String prompt, String name) 
+    throws CredentialCollectionException {
+    CredentialCollector collector = loadCredentialCollector(collectorType, prompt, name);
+    if (collector == null) {
+      throw new CredentialCollectionException("Invalid Collector Requested. Type: " + collectorType
+ " Name: " + name);
+    }
+    collector.setPrompt(prompt);
+    collector.setName(name);
+    collectors.add(collector);
+
+    return this;
+  }
+
+  public void collect() throws CredentialCollectionException {
+    for (CredentialCollector collector : collectors) {
+      collector.collect();
+    }
+  }
+
+  public CredentialCollector get(String name) {
+    for (CredentialCollector collector : collectors) {
+      if (collector.name().equals(name)) {
+        return collector;
+      }
+    }
+    return null;
+  }
+  
+  private CredentialCollector loadCredentialCollector(String type, String prompt, String
name) {
+    ServiceLoader<CredentialCollector> collectorsList = ServiceLoader.load(CredentialCollector.class);
+    for (CredentialCollector collector : collectorsList) {
+      if (collector.type().equals(type)) {
+        return collector;
+      }
+    }
+    return null;
+  }
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/HiddenInputCredentialCollector.java
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/HiddenInputCredentialCollector.java
b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/HiddenInputCredentialCollector.java
new file mode 100644
index 0000000..6e350de
--- /dev/null
+++ b/gateway-shell/src/main/java/org/apache/hadoop/gateway/shell/HiddenInputCredentialCollector.java
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.shell;
+
+
+public class HiddenInputCredentialCollector extends AbstractJavaConsoleCredentialCollector
{
+  public static String COLLECTOR_TYPE = "HiddenInput";
+  /* (non-Javadoc)
+   * @see org.apache.hadoop.gateway.shell.CredentialCollector#collect()
+   */
+  @Override
+  public void collect() throws CredentialCollectionException {
+    boolean valid = false;
+    while (!valid) {
+      collectHiddenCredential(prompt);
+      valid = validate();
+      if (!valid) {
+        System.out.println("** Must not be empty **");
+      }
+    }
+  }
+
+  /* (non-Javadoc)
+   * @see org.apache.hadoop.gateway.shell.CredentialCollector#name()
+   */
+  @Override
+  public String type() {
+    return COLLECTOR_TYPE;
+  }
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-shell/src/main/resources/META-INF/services/org.apache.hadoop.gateway.shell.CredentialCollector
----------------------------------------------------------------------
diff --git a/gateway-shell/src/main/resources/META-INF/services/org.apache.hadoop.gateway.shell.CredentialCollector
b/gateway-shell/src/main/resources/META-INF/services/org.apache.hadoop.gateway.shell.CredentialCollector
new file mode 100644
index 0000000..eb6d5b8
--- /dev/null
+++ b/gateway-shell/src/main/resources/META-INF/services/org.apache.hadoop.gateway.shell.CredentialCollector
@@ -0,0 +1,20 @@
+##########################################################################
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF 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.
+##########################################################################
+
+org.apache.hadoop.gateway.shell.ClearInputCredentialCollector
+org.apache.hadoop.gateway.shell.HiddenInputCredentialCollector
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/PromptUtils.java
----------------------------------------------------------------------
diff --git a/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/PromptUtils.java
b/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/PromptUtils.java
new file mode 100644
index 0000000..7768b27
--- /dev/null
+++ b/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/PromptUtils.java
@@ -0,0 +1,82 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.security;
+
+import java.io.Console;
+import java.util.Arrays;
+
+import org.apache.hadoop.gateway.i18n.GatewaySpiMessages;
+import org.apache.hadoop.gateway.i18n.messages.MessagesFactory;
+
+public class PromptUtils {
+  private static GatewaySpiMessages LOG = MessagesFactory.get( GatewaySpiMessages.class );
+
+  public static char[] challengeUserForEstablishingMaterSecret() {
+    char[] response = null;
+    Console c = System.console();
+    if (c == null) {
+      LOG.unableToPromptForMasterUseKnoxCLI();
+      System.err.println("No console.");
+      System.exit(1);
+    }
+
+    boolean noMatch;
+    do {
+        char [] newPassword1 = c.readPassword("Enter master secret: ");
+        char [] newPassword2 = c.readPassword("Enter master secret again: ");
+        noMatch = ! Arrays.equals(newPassword1, newPassword2);
+        if (noMatch) {
+            c.format("Passwords don't match. Try again.%n");
+        } else {
+            response = Arrays.copyOf(newPassword1, newPassword1.length);
+        }
+        Arrays.fill(newPassword1, ' ');
+        Arrays.fill(newPassword2, ' ');
+    } while (noMatch);
+
+    return response;
+  }
+
+  public static UsernamePassword challengeUserNamePassword(String prompt1, String prompt2)
{
+    UsernamePassword response = null;
+    Console c = System.console();
+    if (c == null) {
+      System.err.println("No console.");
+      System.exit(1);
+    }
+
+    String username = c.readLine(prompt1 + ": ");
+    char [] pwd = c.readPassword(prompt2 + ": ");
+    response = new UsernamePassword(username, pwd);
+
+    return response;
+  }
+
+  public static char[] challengeForPassword(String prompt) {
+    char[] response = null;
+    Console c = System.console();
+    if (c == null) {
+      System.err.println("No console.");
+      System.exit(1);
+    }
+
+    response = c.readPassword(prompt + ": ");
+
+    return response;
+  }
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/0a9f33b0/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/UsernamePassword.java
----------------------------------------------------------------------
diff --git a/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/UsernamePassword.java
b/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/UsernamePassword.java
new file mode 100644
index 0000000..3c508db
--- /dev/null
+++ b/gateway-spi/src/main/java/org/apache/hadoop/gateway/security/UsernamePassword.java
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.hadoop.gateway.security;
+
+public class UsernamePassword {
+  private String username;
+  private char[] password = null;
+
+  public UsernamePassword(String username, char[] password) {
+    super();
+    this.username = username;
+    this.password = password;
+  }
+
+  public String getUsername() {
+    return username;
+  }
+
+  public void setUsername(String username) {
+    this.username = username;
+  }
+
+  public char[] getPassword() {
+    return password;
+  }
+
+  public void setPassword(char[] password) {
+    this.password = password;
+  }
+}


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