org.apache.ambari.server.security

Class SecurePasswordHelper

java.lang.Object

org.apache.ambari.server.security.SecurePasswordHelper

public class SecurePasswordHelper
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_SECURE_PASSWORD_LENGTH The default number of characters to generate for a secure password
static int	DEFAULT_SECURE_PASSWORD_MIN_DIGITS The default minimum number of digits to include when generating a secure password
static int	DEFAULT_SECURE_PASSWORD_MIN_LOWERCASE_LETTERS The default minimum number of lowercase letters to include when generating a secure password
static int	DEFAULT_SECURE_PASSWORD_MIN_PUNCTUATION The default minimum number of punctuation characters to include when generating a secure password
static int	DEFAULT_SECURE_PASSWORD_MIN_UPPERCASE_LETTERS The default minimum number of uppercase letters to include when generating a secure password
static int	DEFAULT_SECURE_PASSWORD_MIN_WHITESPACE The default minimum number of whitespace characters to include when generating a secure password

Constructor Summary

Constructors

Constructor and Description
SecurePasswordHelper()

Method Summary

Modifier and Type	Method and Description
String	createSecurePassword() Create a secure (random) password using a secure random number generator and a set of (reasonable) characters.
String	createSecurePassword(Integer length, Integer minLowercaseLetters, Integer minUppercaseLetters, Integer minDigits, Integer minPunctuation, Integer minWhitespace) Create a secure (random) password using a secure random number generator, a set of (reasonable) characters, and meeting the specified rules.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_SECURE_PASSWORD_LENGTH

public static final int DEFAULT_SECURE_PASSWORD_LENGTH

The default number of characters to generate for a secure password

See Also:

Constant Field Values

DEFAULT_SECURE_PASSWORD_MIN_LOWERCASE_LETTERS

public static final int DEFAULT_SECURE_PASSWORD_MIN_LOWERCASE_LETTERS

The default minimum number of lowercase letters to include when generating a secure password

See Also:

Constant Field Values

DEFAULT_SECURE_PASSWORD_MIN_UPPERCASE_LETTERS

public static final int DEFAULT_SECURE_PASSWORD_MIN_UPPERCASE_LETTERS

The default minimum number of uppercase letters to include when generating a secure password

See Also:

Constant Field Values

DEFAULT_SECURE_PASSWORD_MIN_DIGITS

public static final int DEFAULT_SECURE_PASSWORD_MIN_DIGITS

The default minimum number of digits to include when generating a secure password

See Also:

Constant Field Values

DEFAULT_SECURE_PASSWORD_MIN_PUNCTUATION

public static final int DEFAULT_SECURE_PASSWORD_MIN_PUNCTUATION

The default minimum number of punctuation characters to include when generating a secure password

See Also:

Constant Field Values

DEFAULT_SECURE_PASSWORD_MIN_WHITESPACE

public static final int DEFAULT_SECURE_PASSWORD_MIN_WHITESPACE

The default minimum number of whitespace characters to include when generating a secure password

See Also:

Constant Field Values

Constructor Detail

SecurePasswordHelper

public SecurePasswordHelper()

Method Detail

createSecurePassword

public String createSecurePassword()

Create a secure (random) password using a secure random number generator and a set of (reasonable) characters.

The default rules are used to generate the password. See createSecurePassword(Integer, Integer, Integer, Integer, Integer, Integer)

Returns:

a String containing the new password

See Also:

createSecurePassword(Integer, Integer, Integer, Integer, Integer, Integer)

createSecurePassword

public String createSecurePassword(Integer length,
                                   Integer minLowercaseLetters,
                                   Integer minUppercaseLetters,
                                   Integer minDigits,
                                   Integer minPunctuation,
                                   Integer minWhitespace)

Create a secure (random) password using a secure random number generator, a set of (reasonable) characters, and meeting the specified rules.

If any rule is null, it's default value will be used:

• length: 18
• minimum lowercase letters (a-z): 1
• minimum uppercase letters (A-Z): 1
• minimum digits (0-9): 1
• minimum punctuation (?.!$%^*()-_+=~): 1
• minimum whitespace ( ): 0

Parameters:

length - the required length of the generated password

minLowercaseLetters - the required minimum number of lowercase letters

minUppercaseLetters - the required minimum number of uppercase letters

minDigits - the required minimum number of digits

minPunctuation - the required minimum number of punctuation characters

minWhitespace - the required minimum number of space characters

Returns:

a String containing the new password