@SuppressWarnings("deprecation")
public static PasswordEncoder createDelegatingPasswordEncoder() {
    String encodingId = "pbkdf2";
    Map<String, PasswordEncoder> encoders = new HashMap<>();
    encoders.put(encodingId, new BCryptPasswordEncoder());
    encoders.put("ldap", new org.springframework.security.crypto.password.LdapShaPasswordEncoder());
    encoders.put("MD4", new org.springframework.security.crypto.password.Md4PasswordEncoder());
    encoders.put("MD5", new org.springframework.security.crypto.password.MessageDigestPasswordEncoder("MD5"));
    encoders.put("noop", org.springframework.security.crypto.password.NoOpPasswordEncoder.getInstance());
    encoders.put("pbkdf2", new Pbkdf2PasswordEncoder());
    encoders.put("scrypt", new SCryptPasswordEncoder());
    encoders.put("SHA-1", new org.springframework.security.crypto.password.MessageDigestPasswordEncoder("SHA-1"));
    encoders.put("SHA-256", new org.springframework.security.crypto.password.MessageDigestPasswordEncoder("SHA-256"));
    encoders.put("sha256", new org.springframework.security.crypto.password.StandardPasswordEncoder());

    return new DelegatingPasswordEncoder(encodingId, encoders);
}
 

@Test
@SuppressWarnings("unchecked")
public void encode() throws Exception {
	String encodedPassword = this.passwordEncoder.encode("password");
	Assert.assertTrue(this.passwordEncoder.matches("password", encodedPassword));

	// is the ID in the encoded PW?
	Field idForEncode = fieldFor(DelegatingPasswordEncoder.class, "idForEncode");
	String id = String.class.cast(idForEncode.get(this.passwordEncoder));
	Assert.assertTrue(encodedPassword.contains(id));

	// is the default PasswordEncoder BCrypt?
	Field pwEncoderMapField = fieldFor(DelegatingPasswordEncoder.class,
			"idToPasswordEncoder");
	Map<String, PasswordEncoder> pwEncoderMap = (Map<String, PasswordEncoder>) pwEncoderMapField
			.get(this.passwordEncoder);
	Assert.assertTrue(pwEncoderMap.get(id) instanceof BCryptPasswordEncoder);
}
 

@Bean
public PasswordEncoder delegatingPasswordEncoder() {

    // Spring Security 5 require storing the encoder id alongside the encoded password
    // (e.g. "{md5}hash" for an MD5-encoded password hash), which differs from previous
    // versions.
    //
    // Airsonic unfortunately stores passwords in plain-text, which is why we are setting
    // the "no-op" (plain-text) password encoder as a default here. This default will be
    // used when no encoder id is present.
    //
    // This means that legacy Airsonic passwords (stored simply as "password" in the db)
    // will be matched like "{noop}password" and will be recognized successfully. In the
    // future password encoding updates will be done here.

    PasswordEncoder defaultEncoder = NoOpPasswordEncoder.getInstance();
    String defaultIdForEncode = "noop";

    Map<String, PasswordEncoder> encoders = new HashMap<>();
    encoders.put(defaultIdForEncode, defaultEncoder);
    DelegatingPasswordEncoder passworEncoder = new DelegatingPasswordEncoder(defaultIdForEncode, encoders);
    passworEncoder.setDefaultPasswordEncoderForMatches(defaultEncoder);

    return passworEncoder;
}
 

@Bean
public PasswordEncoder passwordEncoder()
{
    // Set up a DelegatingPasswordEncoder which decodes legacy passwords using the
    // StandardPasswordEncoder but encodes passwords using the modern BCryptPasswordEncoder 
    String encoderForEncoding = "bcrypt";
    Map<String, PasswordEncoder> encoders = new HashMap<>();
    encoders.put(encoderForEncoding, new BCryptPasswordEncoder());
    DelegatingPasswordEncoder delegatingEncoder = new DelegatingPasswordEncoder(
            encoderForEncoding, encoders);
    // Decode legacy passwords without encoder ID using the StandardPasswordEncoder
    delegatingEncoder.setDefaultPasswordEncoderForMatches(new StandardPasswordEncoder());
    return delegatingEncoder;
}
 

@Bean
public PasswordEncoder passwordEncoder() {
	
	  Map<String,PasswordEncoder> encoders = new HashMap<>();
	  encoders.put(PwdEncodingAlgo.BCrypt.getStatus(), new BCryptPasswordEncoder());
	  encoders.put(PwdEncodingAlgo.Pbkf2.getStatus(), new Pbkdf2PasswordEncoder());
	  encoders.put(PwdEncodingAlgo.SCrypt.getStatus(), new SCryptPasswordEncoder());
	 
	  return new DelegatingPasswordEncoder(PwdEncodingAlgo.BCrypt.getStatus(), encoders);
}
 

@Test
public void standaloneIdmEngineWithDelegatingPasswordEncoder() {
    contextRunner
        .withPropertyValues("flowable.idm.password-encoder=spring_delegating")
        .run(context -> {
            IdmEngine idmEngine = context.getBean(IdmEngine.class);

            assertThat(context).hasSingleBean(PasswordEncoder.class);

            org.flowable.idm.api.PasswordEncoder flowablePasswordEncoder = idmEngine.getIdmEngineConfiguration().getPasswordEncoder();
            PasswordEncoder passwordEncoder = context.getBean(PasswordEncoder.class);
            assertThat(flowablePasswordEncoder)
                .isInstanceOfSatisfying(SpringEncoder.class, springEncoder -> {
                    assertThat(springEncoder.getSpringEncodingProvider()).isEqualTo(passwordEncoder);
                });
            assertThat(passwordEncoder).isInstanceOf(DelegatingPasswordEncoder.class);

            assertThat(flowablePasswordEncoder.encode("test", null))
                .as("encoded password")
                .startsWith("{bcrypt}");

            assertThatThrownBy(() -> flowablePasswordEncoder.isMatches("test", "test", null))
                .as("encoder matches password")
                .isInstanceOf(IllegalArgumentException.class)
                .hasMessage("There is no PasswordEncoder mapped for the id \"null\"");
        });
}
 

@Test
public void standaloneIdmEngineWithDelegatingBCryptDefaultPasswordEncoder() {
    contextRunner
        .withPropertyValues("flowable.idm.password-encoder=spring_delegating_bcrypt")
        .run(context -> {
            IdmEngine idmEngine = context.getBean(IdmEngine.class);

            assertThat(context).hasSingleBean(PasswordEncoder.class);

            org.flowable.idm.api.PasswordEncoder flowablePasswordEncoder = idmEngine.getIdmEngineConfiguration().getPasswordEncoder();
            PasswordEncoder passwordEncoder = context.getBean(PasswordEncoder.class);
            assertThat(flowablePasswordEncoder)
                .isInstanceOfSatisfying(SpringEncoder.class, springEncoder -> {
                    assertThat(springEncoder.getSpringEncodingProvider()).isEqualTo(passwordEncoder);
                });
            assertThat(passwordEncoder).isInstanceOf(DelegatingPasswordEncoder.class);

            assertThat(flowablePasswordEncoder.encode("test", null))
                .as("encoded password")
                .startsWith("{bcrypt}");

            assertThat(flowablePasswordEncoder.isMatches("test", "test", null))
                .as("encoder matchers clear text password")
                .isFalse();

            assertThat(flowablePasswordEncoder.isMatches("test", new BCryptPasswordEncoder().encode("test"), null))
                .as("encoder matchers only bcrypt text password")
                .isTrue();
        });
}
 

@Test
public void standaloneIdmEngineWithDelegatingNoopDefaultPasswordEncoder() {
    contextRunner
        .withPropertyValues("flowable.idm.password-encoder=spring_delegating_noop")
        .run(context -> {
            IdmEngine idmEngine = context.getBean(IdmEngine.class);

            assertThat(context).hasSingleBean(PasswordEncoder.class);

            org.flowable.idm.api.PasswordEncoder flowablePasswordEncoder = idmEngine.getIdmEngineConfiguration().getPasswordEncoder();
            PasswordEncoder passwordEncoder = context.getBean(PasswordEncoder.class);
            assertThat(flowablePasswordEncoder)
                .isInstanceOfSatisfying(SpringEncoder.class, springEncoder -> {
                    assertThat(springEncoder.getSpringEncodingProvider()).isEqualTo(passwordEncoder);
                });
            assertThat(passwordEncoder).isInstanceOf(DelegatingPasswordEncoder.class);

            assertThat(flowablePasswordEncoder.encode("test", null))
                .as("encoded password")
                .startsWith("{bcrypt}");

            assertThat(flowablePasswordEncoder.isMatches("test", "test", null))
                .as("encoder matchers clear text password")
                .isTrue();

            assertThat(flowablePasswordEncoder.isMatches("test", new BCryptPasswordEncoder().encode("test"), null))
                .as("encoder matchers only bcrypt text password")
                .isFalse();
        });
}
 

@Bean
public PasswordEncoder passwordEncoder()
{
    // Set up a DelegatingPasswordEncoder which decodes legacy passwords using the
    // StandardPasswordEncoder but encodes passwords using the modern BCryptPasswordEncoder 
    String encoderForEncoding = "bcrypt";
    Map<String, PasswordEncoder> encoders = new HashMap<>();
    encoders.put(encoderForEncoding, new BCryptPasswordEncoder());
    DelegatingPasswordEncoder delegatingEncoder = new DelegatingPasswordEncoder(
            encoderForEncoding, encoders);
    // Decode legacy passwords without encoder ID using the StandardPasswordEncoder
    delegatingEncoder.setDefaultPasswordEncoderForMatches(new StandardPasswordEncoder());
    return delegatingEncoder;
}
 

@Bean
public PasswordEncoder passwordEncoder() {
    Map<String, PasswordEncoder> encoders = new HashMap<>();
    encoders.put("bcrypt", new BCryptPasswordEncoder());
    encoders.put("sha256", new MessageDigestPasswordEncoder("SHA-256"));
    return new DelegatingPasswordEncoder("bcrypt", encoders);
}
 

@Test
public void 스프링시큐리티_암호_인코딩() {
	String password = passwordEncoder.encode("1111");

	Assert.assertFalse(passwordEncoder.matches("1112", password));
	Assert.assertTrue(passwordEncoder.matches("1111", password));

	DelegatingPasswordEncoder newPasswordEncoder = (DelegatingPasswordEncoder) PasswordEncoderFactories.createDelegatingPasswordEncoder();
	newPasswordEncoder.setDefaultPasswordEncoderForMatches(new StandardPasswordEncoder());
	System.out.println(newPasswordEncoder.encode("1111"));
	Assert.assertTrue(newPasswordEncoder.matches("1111", password));
}
 

PasswordEncoder oldPasswordEncoder() {
	String md5 = "MD5";
	return new DelegatingPasswordEncoder(md5,
			Collections.singletonMap(md5, new MessageDigestPasswordEncoder(md5)));
}