Map Store Removal: Remove obsolete KeycloakModelUtils.isUsernameCaseSensitive method

Closes #27438

Signed-off-by: vramik <vramik@redhat.com>

server-spi-private/src/main/java/org/keycloak/models/Constants.java

@@ -159,9 +159,6 @@ public final class Constants {
     public static final int MINIMUM_LOA = 0;
     public static final int NO_LOA = -1;
 
-    public static final Boolean REALM_ATTR_USERNAME_CASE_SENSITIVE_DEFAULT = Boolean.FALSE;
-    public static final String REALM_ATTR_USERNAME_CASE_SENSITIVE = "keycloak.username-search.case-sensitive";
-
     public static final String SESSION_NOTE_LIGHTWEIGHT_USER = "keycloak.userModel";
 
     public static final String USE_LIGHTWEIGHT_ACCESS_TOKEN_ENABLED = "client.use.lightweight.access.token.enabled";

server-spi-private/src/main/java/org/keycloak/models/utils/KeycloakModelUtils.java

@@ -81,9 +81,6 @@ import org.keycloak.sessions.RootAuthenticationSessionModel;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
 
-import static org.keycloak.models.Constants.REALM_ATTR_USERNAME_CASE_SENSITIVE;
-import static org.keycloak.models.Constants.REALM_ATTR_USERNAME_CASE_SENSITIVE_DEFAULT;
-
 /**
  * Set of helper methods, which are useful in various model implementations.
  *
@@ -1004,19 +1001,6 @@ public final class KeycloakModelUtils {
         return SecretGenerator.SECRET_LENGTH_256_BITS;
     }
 
-    /**
-     * Returns <code>true</code> if given realm has attribute {@link Constants#REALM_ATTR_USERNAME_CASE_SENSITIVE}
-     * set and its value is <code>true</code>. Otherwise default value of it is returned. The default setting
-     * can be seen at {@link Constants#REALM_ATTR_USERNAME_CASE_SENSITIVE_DEFAULT}.
-     *
-     * @param realm
-     * @return See the description
-     * @throws NullPointerException if <code>realm</code> is <code>null</code>
-     */
-    public static boolean isUsernameCaseSensitive(RealmModel realm) {
-        return realm.getAttribute(REALM_ATTR_USERNAME_CASE_SENSITIVE, REALM_ATTR_USERNAME_CASE_SENSITIVE_DEFAULT);
-    }
-
     /**
      * Sets the default groups on the realm
      * @param session

services/src/main/java/org/keycloak/userprofile/validator/DuplicateUsernameValidator.java

@@ -22,7 +22,6 @@ import java.util.List;
 import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserModel;
-import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.services.messages.Messages;
 import org.keycloak.services.validation.Validation;
 import org.keycloak.userprofile.UserProfileAttributeValidationContext;
@@ -66,13 +65,11 @@ public class DuplicateUsernameValidator implements SimpleValidator {
         UserModel user = UserProfileAttributeValidationContext.from(context).getAttributeContext().getUser();
         String valueLowercased = value.toLowerCase();
 
-        if (! KeycloakModelUtils.isUsernameCaseSensitive(session.getContext().getRealm())) value = valueLowercased;
-
         RealmModel realm = session.getContext().getRealm();
         if (existing != null && (user == null || !existing.getId().equals(user.getId()))) {
             context.addError(new ValidationError(ID, inputHint, Messages.USERNAME_EXISTS)
                 .setStatusCode(Response.Status.CONFLICT));
-        } else if (realm.isLoginWithEmailAllowed() && value.indexOf('@') > 0) {
+        } else if (realm.isLoginWithEmailAllowed() && valueLowercased.indexOf('@') > 0) {
             // check the username does not collide with an email
             existing = session.users().getUserByEmail(realm, valueLowercased);
             if (existing != null && (user == null || !existing.getId().equals(user.getId()))) {

services/src/main/java/org/keycloak/userprofile/validator/UsernameMutationValidator.java

@@ -20,7 +20,6 @@ import java.util.List;
 
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserModel;
-import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.services.messages.Messages;
 import org.keycloak.services.validation.Validation;
 import org.keycloak.userprofile.AttributeContext;
@@ -66,11 +65,10 @@ public class UsernameMutationValidator implements SimpleValidator {
         UserModel user = attributeContext.getUser();
         RealmModel realm = context.getSession().getContext().getRealm();
 
-        if (! KeycloakModelUtils.isUsernameCaseSensitive(realm)) value = value.toLowerCase();
+        String valueLowercased = value.toLowerCase();
-
+        if (!realm.isEditUsernameAllowed() && user != null && !valueLowercased.equals(user.getFirstAttribute(UserModel.USERNAME))) {
-        if (!realm.isEditUsernameAllowed() && user != null && !value.equals(user.getFirstAttribute(UserModel.USERNAME))) {
             Attributes attributes = attributeContext.getAttributes();
-            if (realm.isRegistrationEmailAsUsername() && value.equals(attributes.getFirst(UserModel.EMAIL))) {
+            if (realm.isRegistrationEmailAsUsername() && valueLowercased.equals(attributes.getFirst(UserModel.EMAIL))) {
                 // if username changed is because email as username is allowed so no validation should happen for update profile
                 // it is expected that username changes when attributes are normalized by the provider
                 return context;

testsuite/integration-arquillian/servers/auth-server/services/testsuite-providers/src/main/java/org/keycloak/testsuite/federation/UserMapStorage.java

@@ -49,7 +49,6 @@ import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ConcurrentSkipListSet;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Stream;
-import org.keycloak.models.utils.KeycloakModelUtils;
 
 import static org.keycloak.storage.UserStorageProviderModel.IMPORT_ENABLED;
 import static org.keycloak.utils.StreamsUtil.paginatedStream;
@@ -125,7 +124,6 @@ public class UserMapStorage implements UserLookupProvider, UserStorageProvider,
 
                 @Override
                 public void setUsername(String innerUsername) {
-                    innerUsername = KeycloakModelUtils.isUsernameCaseSensitive(realm) ? innerUsername : innerUsername.toLowerCase();
                     if (! Objects.equals(innerUsername, username.toLowerCase())) {
                         throw new RuntimeException("Unsupported");
                     }