org.keycloak.federation.kerberos.KerberosFederationProvider クラス

org.keycloak.federation.kerberos.KerberosFederationProvider の継承関係図

org.keycloak.federation.kerberos.KerberosFederationProvider 連携図

公開メンバ関数
	KerberosFederationProvider (KeycloakSession session, UserStorageProviderModel model, KerberosFederationProviderFactory factory)
UserModel	validate (RealmModel realm, UserModel user)
UserModel	getUserByUsername (String username, RealmModel realm)
UserModel	getUserByEmail (String email, RealmModel realm)
UserModel	getUserById (String id, RealmModel realm)
void	preRemove (RealmModel realm)
void	preRemove (RealmModel realm, RoleModel role)
void	preRemove (RealmModel realm, GroupModel group)
boolean	isValid (RealmModel realm, UserModel local)
boolean	updateCredential (RealmModel realm, UserModel user, CredentialInput input)
void	disableCredentialType (RealmModel realm, UserModel user, String credentialType)
Set< String >	getDisableableCredentialTypes (RealmModel realm, UserModel user)
boolean	supportsCredentialType (String credentialType)
boolean	supportsCredentialAuthenticationFor (String type)
boolean	isConfiguredFor (RealmModel realm, UserModel user, String credentialType)
boolean	isValid (RealmModel realm, UserModel user, CredentialInput input)
CredentialValidationOutput	authenticate (RealmModel realm, CredentialInput input)
void	close ()

静的公開変数類
static final String	KERBEROS_PRINCIPAL = "KERBEROS_PRINCIPAL"

限定公開メンバ関数
boolean	validPassword (String username, String password)
UserModel	findOrCreateAuthenticatedUser (RealmModel realm, String username)
UserModel	importUserToKeycloak (RealmModel realm, String username)

限定公開変数類
KeycloakSession	session
UserStorageProviderModel	model
KerberosConfig	kerberosConfig
KerberosFederationProviderFactory	factory

静的非公開変数類
static final Logger	logger = Logger.getLogger(KerberosFederationProvider.class)

詳解

著者

Marek Posolda

構築子と解体子

KerberosFederationProvider()

org.keycloak.federation.kerberos.KerberosFederationProvider.KerberosFederationProvider ( KeycloakSession  session, UserStorageProviderModel  model, KerberosFederationProviderFactory  factory  )

inline

                                                                                                                                          {
        this.session = session;
        this.model = model;
        this.kerberosConfig = new KerberosConfig(model);
        this.factory = factory;
    }

関数詳解

authenticate()

CredentialValidationOutput org.keycloak.federation.kerberos.KerberosFederationProvider.authenticate ( RealmModel  realm, CredentialInput  input  )

inline

org.keycloak.credential.CredentialAuthenticationを実装しています。

                                                                                            {
        if (!(input instanceof UserCredentialModel)) return null;
        UserCredentialModel credential = (UserCredentialModel)input;
        if (credential.getType().equals(UserCredentialModel.KERBEROS)) {
            String spnegoToken = credential.getValue();
            SPNEGOAuthenticator spnegoAuthenticator = factory.createSPNEGOAuthenticator(spnegoToken, kerberosConfig);

            spnegoAuthenticator.authenticate();

            Map<String, String> state = new HashMap<String, String>();
            if (spnegoAuthenticator.isAuthenticated()) {
                String username = spnegoAuthenticator.getAuthenticatedUsername();
                UserModel user = findOrCreateAuthenticatedUser(realm, username);
                if (user == null) {
                    return CredentialValidationOutput.failed();
                } else {
                    String delegationCredential = spnegoAuthenticator.getSerializedDelegationCredential();
                    if (delegationCredential != null) {
                        state.put(KerberosConstants.GSS_DELEGATION_CREDENTIAL, delegationCredential);
                    }

                    return new CredentialValidationOutput(user, CredentialValidationOutput.Status.AUTHENTICATED, state);
                }
            }  else {
                state.put(KerberosConstants.RESPONSE_TOKEN, spnegoAuthenticator.getResponseToken());
                return new CredentialValidationOutput(null, CredentialValidationOutput.Status.CONTINUE, state);
            }

        } else {
            return null;
        }
    }

close()

void org.keycloak.federation.kerberos.KerberosFederationProvider.close ( )

inline

org.keycloak.provider.Providerを実装しています。

                        {

    }

disableCredentialType()

void org.keycloak.federation.kerberos.KerberosFederationProvider.disableCredentialType ( RealmModel  realm, UserModel  user, String  credentialType  )

inline

org.keycloak.credential.CredentialInputUpdaterを実装しています。

                                                                                               {

    }

findOrCreateAuthenticatedUser()

UserModel org.keycloak.federation.kerberos.KerberosFederationProvider.findOrCreateAuthenticatedUser ( RealmModel  realm, String  username  )

inlineprotected

Called after successful authentication

引数

realm	realm
username	username without realm prefix

戻り値

user if found or successfully created. Null if user with same username already exists, but is not linked to this provider

                                                                                         {
        UserModel user = session.userLocalStorage().getUserByUsername(username, realm);
        if (user != null) {
            user = session.users().getUserById(user.getId(), realm);  // make sure we get a cached instance
            logger.debug("Kerberos authenticated user " + username + " found in Keycloak storage");

            if (!model.getId().equals(user.getFederationLink())) {
                logger.warn("User with username " + username + " already exists, but is not linked to provider [" + model.getName() + "]");
                return null;
            } else {
                UserModel proxied = validate(realm, user);
                if (proxied != null) {
                    return proxied;
                } else {
                    logger.warn("User with username " + username + " already exists and is linked to provider [" + model.getName() +
                            "] but kerberos principal is not correct. Kerberos principal on user is: " + user.getFirstAttribute(KERBEROS_PRINCIPAL));
                    logger.warn("Will re-create user");
                    new UserManager(session).removeUser(realm, user, session.userLocalStorage());
                }
            }
        }

        logger.debug("Kerberos authenticated user " + username + " not in Keycloak storage. Creating him");
        return importUserToKeycloak(realm, username);
    }

getDisableableCredentialTypes()

Set<String> org.keycloak.federation.kerberos.KerberosFederationProvider.getDisableableCredentialTypes ( RealmModel  realm, UserModel  user  )

inline

org.keycloak.credential.CredentialInputUpdaterを実装しています。

                                                                                       {
        return Collections.EMPTY_SET;
    }

getUserByEmail()

UserModel org.keycloak.federation.kerberos.KerberosFederationProvider.getUserByEmail ( String  email, RealmModel  realm  )

inline

org.keycloak.storage.user.UserLookupProviderを実装しています。

                                                                    {
        return null;
    }

getUserById()

UserModel org.keycloak.federation.kerberos.KerberosFederationProvider.getUserById ( String  id, RealmModel  realm  )

inline

org.keycloak.storage.user.UserLookupProviderを実装しています。

                                                              {
        return null;
    }

getUserByUsername()

UserModel org.keycloak.federation.kerberos.KerberosFederationProvider.getUserByUsername ( String  username, RealmModel  realm  )

inline

org.keycloak.storage.user.UserLookupProviderを実装しています。

                                                                          {
        KerberosUsernamePasswordAuthenticator authenticator = factory.createKerberosUsernamePasswordAuthenticator(kerberosConfig);
        if (authenticator.isUserAvailable(username)) {
            // Case when method was called with username including kerberos realm like john@REALM.ORG . Authenticator already checked that kerberos realm was correct
            if (username.contains("@")) {
                username = username.split("@")[0];
            }

            return findOrCreateAuthenticatedUser(realm, username);
        } else {
            return null;
        }
    }

importUserToKeycloak()

UserModel org.keycloak.federation.kerberos.KerberosFederationProvider.importUserToKeycloak ( RealmModel  realm, String  username  )

inlineprotected

                                                                                {
        // Just guessing email from kerberos realm
        String email = username + "@" + kerberosConfig.getKerberosRealm().toLowerCase();

        logger.debugf("Creating kerberos user: %s, email: %s to local Keycloak storage", username, email);
        UserModel user = session.userLocalStorage().addUser(realm, username);
        user.setEnabled(true);
        user.setEmail(email);
        user.setFederationLink(model.getId());
        user.setSingleAttribute(KERBEROS_PRINCIPAL, username + "@" + kerberosConfig.getKerberosRealm());

        if (kerberosConfig.isUpdateProfileFirstLogin()) {
            user.addRequiredAction(UserModel.RequiredAction.UPDATE_PROFILE);
        }

        return validate(realm, user);
    }

isConfiguredFor()

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.isConfiguredFor ( RealmModel  realm, UserModel  user, String  credentialType  )

inline

org.keycloak.credential.CredentialInputValidatorを実装しています。

                                                                                            {
        return supportsCredentialType(credentialType);
    }

isValid() [1/2]

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.isValid ( RealmModel  realm, UserModel  local  )

inline

                                                              {
        // KerberosUsernamePasswordAuthenticator.isUserAvailable is an overhead, so avoid it for now

        String kerberosPrincipal = local.getUsername() + "@" + kerberosConfig.getKerberosRealm();
        return kerberosPrincipal.equalsIgnoreCase(local.getFirstAttribute(KERBEROS_PRINCIPAL));
    }

isValid() [2/2]

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.isValid ( RealmModel  realm, UserModel  user, CredentialInput  input  )

inline

org.keycloak.credential.CredentialInputValidatorを実装しています。

                                                                                    {
        if (!(input instanceof UserCredentialModel)) return false;
        if (input.getType().equals(UserCredentialModel.PASSWORD) && !session.userCredentialManager().isConfiguredLocally(realm, user, UserCredentialModel.PASSWORD)) {
            return validPassword(user.getUsername(), ((UserCredentialModel)input).getValue());
        } else {
            return false; // invalid cred type
        }
    }

preRemove() [1/3]

void org.keycloak.federation.kerberos.KerberosFederationProvider.preRemove ( RealmModel  realm )

inline

org.keycloak.storage.UserStorageProviderを実装しています。

                                            {

    }

preRemove() [2/3]

void org.keycloak.federation.kerberos.KerberosFederationProvider.preRemove ( RealmModel  realm, RoleModel  role  )

inline

org.keycloak.storage.UserStorageProviderを実装しています。

                                                            {

    }

preRemove() [3/3]

void org.keycloak.federation.kerberos.KerberosFederationProvider.preRemove ( RealmModel  realm, GroupModel  group  )

inline

org.keycloak.storage.UserStorageProviderを実装しています。

                                                              {

    }

supportsCredentialAuthenticationFor()

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.supportsCredentialAuthenticationFor ( String  type )

inline

org.keycloak.credential.CredentialAuthenticationを実装しています。

                                                                    {
        return CredentialModel.KERBEROS.equals(type);
    }

supportsCredentialType()

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.supportsCredentialType ( String  credentialType )

inline

org.keycloak.credential.CredentialInputUpdaterを実装しています。

                                                                 {
        return credentialType.equals(CredentialModel.KERBEROS) || (kerberosConfig.isAllowPasswordAuthentication() && credentialType.equals(CredentialModel.PASSWORD));
    }

updateCredential()

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.updateCredential ( RealmModel  realm, UserModel  user, CredentialInput  input  )

inline

org.keycloak.credential.CredentialInputUpdaterを実装しています。

                                                                                             {
        if (!(input instanceof UserCredentialModel) || !CredentialModel.PASSWORD.equals(input.getType())) return false;
        if (kerberosConfig.getEditMode() == EditMode.READ_ONLY) {
            throw new ReadOnlyException("Can't change password in Keycloak database. Change password with your Kerberos server");
        }
        return false;
    }

validate()

UserModel org.keycloak.federation.kerberos.KerberosFederationProvider.validate ( RealmModel  realm, UserModel  user  )

inline

org.keycloak.storage.user.ImportedUserValidationを実装しています。

                                                                {
        if (!isValid(realm, user)) {
            return null;
        }

        if (kerberosConfig.getEditMode() == EditMode.READ_ONLY) {
            return new ReadOnlyKerberosUserModelDelegate(user, this);
        } else {
            return user;
        }
    }

validPassword()

boolean org.keycloak.federation.kerberos.KerberosFederationProvider.validPassword ( String  username, String  password  )

inlineprotected

                                                                      {
        if (kerberosConfig.isAllowPasswordAuthentication()) {
            KerberosUsernamePasswordAuthenticator authenticator = factory.createKerberosUsernamePasswordAuthenticator(kerberosConfig);
            return authenticator.validUser(username, password);
        } else {
            return false;
        }
    }

メンバ詳解

factory

KerberosFederationProviderFactory org.keycloak.federation.kerberos.KerberosFederationProvider.factory

protected

KERBEROS_PRINCIPAL

final String org.keycloak.federation.kerberos.KerberosFederationProvider.KERBEROS_PRINCIPAL = "KERBEROS_PRINCIPAL"

static

kerberosConfig

KerberosConfig org.keycloak.federation.kerberos.KerberosFederationProvider.kerberosConfig

protected

logger

final Logger org.keycloak.federation.kerberos.KerberosFederationProvider.logger = Logger.getLogger(KerberosFederationProvider.class)

staticprivate

model

UserStorageProviderModel org.keycloak.federation.kerberos.KerberosFederationProvider.model

protected

session

KeycloakSession org.keycloak.federation.kerberos.KerberosFederationProvider.session

protected

---

このクラス詳解は次のファイルから抽出されました:

• D:/AppData/doxygen/keycloak/src/keycloak/src/main/java/org/keycloak/federation/kerberos/KerberosFederationProvider.java