RED-8491: Hide all KNECON_* roles for any possible access in all endpoints

* implemented additional requirement for disabled role rank validation on target knecon role user

src/main/java/com/knecon/fforesight/tenantusermanagement/api/external/UserResource.java

@@ -10,7 +10,6 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.ResponseStatus;
@@ -61,7 +60,7 @@ public interface UserResource {
     @ResponseBody
     @ResponseStatus(value = HttpStatus.OK)
     @Operation(summary = "Update a user profile", description = "None")
-    @ApiResponses(value = {@ApiResponse(responseCode = "204", description = "OK"), @ApiResponse(responseCode = "400", description = "Failed to update profile, e-mail invalid")})
+    @ApiResponses(value = {@ApiResponse(responseCode = "204", description = "OK"), @ApiResponse(responseCode = "400", description = "Failed to update profile, e-mail invalid"), @ApiResponse(responseCode = "404", description = "The userId cannot be found.")})
     @PostMapping(value = UPDATE_USER_PROFILE_PATH + USER_ID_PATH_VARIABLE, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
     User updateProfile(@PathVariable(USER_ID) String userId, @RequestBody UpdateProfileRequest updateProfileRequest);
 
@@ -99,7 +98,7 @@ public interface UserResource {
 
     @ResponseBody
     @Operation(summary = "Gets the user in realm including role info", description = "None")
-    @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "OK"), @ApiResponse(responseCode = "404", description = "The " + "userId cannot be found."), @ApiResponse(responseCode = "400", description = "The provided user id is empty or " + "null.")})
+    @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "OK"), @ApiResponse(responseCode = "404", description = "The userId cannot be found."), @ApiResponse(responseCode = "400", description = "The provided user id is empty or null.")})
     @GetMapping(value = USER_REST_PATH + USER_ID_PATH_VARIABLE, produces = MediaType.APPLICATION_JSON_VALUE)
     User getUserById(@PathVariable(USER_ID) String userId);
 
@@ -120,8 +119,7 @@ public interface UserResource {
 
     @ResponseBody
     @Operation(summary = "Activate/deactivate a user profile", description = "None")
-    @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "OK"), @ApiResponse(responseCode = "400", description = "Failed to activate/deactivate profile"),
-                           @ApiResponse(responseCode = "403", description = "Cannot activate/deactivate users with higher rank roles")})
+    @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "OK"), @ApiResponse(responseCode = "400", description = "Failed to activate/deactivate profile"), @ApiResponse(responseCode = "403", description = "Cannot activate/deactivate users with higher rank roles"), @ApiResponse(responseCode = "404", description = "The userId cannot be found.")})
     @PostMapping(value = ACTIVATE_USER_PROFILE_PATH + USER_ID_PATH_VARIABLE, produces = MediaType.APPLICATION_JSON_VALUE)
     User activateProfile(@PathVariable(USER_ID) String userId, @RequestParam(IS_ACTIVE_PARAM) boolean isActive);
 

src/main/java/com/knecon/fforesight/tenantusermanagement/controller/external/UserController.java

@@ -1,5 +1,6 @@
 package com.knecon.fforesight.tenantusermanagement.controller.external;
 
+import static com.knecon.fforesight.tenantusermanagement.permissions.ApplicationRoles.KNECON_ROLE_FILTER;
 import static com.knecon.fforesight.tenantusermanagement.permissions.UserManagementPermissions.READ_ALL_USERS;
 import static com.knecon.fforesight.tenantusermanagement.permissions.UserManagementPermissions.READ_USERS;
 import static com.knecon.fforesight.tenantusermanagement.permissions.UserManagementPermissions.UPDATE_MY_PROFILE;
@@ -39,19 +40,6 @@ import lombok.extern.slf4j.Slf4j;
 @RequiredArgsConstructor
 public class UserController implements UserResource, PublicResource {
 
-    public static final Predicate<User> KNECON_ROLE_FILTER = user -> {
-        Set<String> filteredRoles = user.getRoles()
-                .stream()
-                .filter(ApplicationRoles::isNoKneconRole)
-                .collect(Collectors.toSet());
-
-        if (!user.getRoles().isEmpty() && filteredRoles.isEmpty()) {
-            return false;
-        }
-
-        user.setRoles(filteredRoles);
-        return true;
-    };
 
     private final UserService userService;
     private final TenantUserManagementProperties tenantUserManagementProperties;

src/main/java/com/knecon/fforesight/tenantusermanagement/permissions/ApplicationRoles.java

@@ -1,6 +1,10 @@
 package com.knecon.fforesight.tenantusermanagement.permissions;
 
 import java.util.Set;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+import com.knecon.fforesight.tenantusermanagement.model.User;
 
 public final class ApplicationRoles {
 
@@ -15,6 +19,21 @@ public final class ApplicationRoles {
     public static final Set<String> RED_ROLES = Set.of(RED_USER_ROLE, RED_MANAGER_ROLE, RED_ADMIN_ROLE, RED_USER_ADMIN_ROLE);
 
 
+    public static final Predicate<User> KNECON_ROLE_FILTER = user -> {
+        Set<String> filteredRoles = user.getRoles()
+                .stream()
+                .filter(ApplicationRoles::isNoKneconRole)
+                .collect(Collectors.toSet());
+
+        if (!user.getRoles().isEmpty() && filteredRoles.isEmpty()) {
+            return false;
+        }
+
+        user.setRoles(filteredRoles);
+        return true;
+    };
+
+
     public static boolean isNoKneconRole(String role) {
 
         return !KNECON_ROLES.contains(role);

src/main/java/com/knecon/fforesight/tenantusermanagement/service/UserService.java

@@ -166,9 +166,9 @@ public class UserService {
 
         var currentUserRoles = this.getUserRoles(KeycloakSecurity.getUserId());
 
-        if (!userId.equalsIgnoreCase(KeycloakSecurity.getUserId()) && roles.stream()
-                .anyMatch(ApplicationRoles::isKneconRole) && currentUserRoles.stream()
-                    .noneMatch(ApplicationRoles::isKneconRole)) {
+        Set<String> oldRoles = getRoles(userId);
+        if (!userId.equalsIgnoreCase(KeycloakSecurity.getUserId()) && !oldRoles.isEmpty() && oldRoles.stream()
+                .allMatch(ApplicationRoles::isKneconRole)) {
             throw new NotFoundException("User with id: " + userId + " does not exist");
         }
 
@@ -182,19 +182,18 @@ public class UserService {
         var allRoles = tenantUserManagementProperties.getKcRoleMapping().getAllRoles();
         newRoles.forEach(role -> {
 
-            if (!allRoles.contains(role) || ApplicationRoles.isKneconRole(role) && currentUserRoles.stream()
-                    .noneMatch(ApplicationRoles::isKneconRole)) {
+            if (!allRoles.contains(role) || ApplicationRoles.isKneconRole(role)) {
                 throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Invalid role: " + role);
             }
         });
 
         var userResource = getUserResource(userId);
-        var userRoles = userResource.roles().realmLevel().listEffective()
+        var oldRoles = userResource.roles().realmLevel().listEffective()
                 .stream()
                 .map(RoleRepresentation::getName)
                 .collect(Collectors.toSet());
 
-        validateSufficientRoles(userId, userRoles, newRoles, currentUserRoles);
+        validateSufficientRoles(userId, oldRoles, newRoles, currentUserRoles);
 
         var currentRolesAsRoleRepresentation = allRoles.stream()
                 .map(this::getRoleRepresentation)
@@ -207,12 +206,33 @@ public class UserService {
         userResource.roles().realmLevel().add(newMappedRoles);
 
         var userWithNewRoles = getUserByUsername(userResource.toRepresentation().getUsername());
-        this.rabbitTemplate.convertAndSend(userExchangeName, "user.rolesUpdated", (new UserRolesUpdatedEvent(userWithNewRoles, userRoles, newRoles, KeycloakSecurity.getUserId())));
+        this.rabbitTemplate.convertAndSend(userExchangeName, "user.rolesUpdated", (new UserRolesUpdatedEvent(userWithNewRoles, oldRoles, newRoles, KeycloakSecurity.getUserId())));
 
         return userWithNewRoles;
     }
 
 
+    @CacheEvict(value = "${commons.keycloak.userCache}", allEntries = true, beforeInvocation = true)
+    public void removeRolesForDeletion(String userId, Set<String> roles) {
+
+        var allRoles = tenantUserManagementProperties.getKcRoleMapping().getAllRoles();
+        roles.forEach(role -> {
+
+            if (!allRoles.contains(role)) {
+                throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Invalid role: " + role);
+            }
+        });
+
+        var userResource = getUserResource(userId);
+
+        var currentRolesAsRoleRepresentation = roles.stream()
+                .map(this::getRoleRepresentation)
+                .collect(Collectors.toList());
+
+        userResource.roles().realmLevel().remove(currentRolesAsRoleRepresentation);
+    }
+
+
     @CacheEvict(value = "${commons.keycloak.userCache}", allEntries = true, beforeInvocation = true)
     public void validateSufficientRoles(String userId, Set<String> userRoles, Set<String> newRoles, Set<String> currentUserRoles) {
 
@@ -231,7 +251,7 @@ public class UserService {
         var untouchableRoles = userRoles.stream()
                 .filter(roleMapping::isValidRole)
                 .map(roleMapping::getRole)
-                .filter(r -> r.getRank() > maxRank)
+                .filter(r -> r.getRank() > maxRank || ApplicationRoles.isKneconRole(r.getName()))
                 .map(KCRole::getName)
                 .collect(Collectors.toSet());
 
@@ -288,6 +308,10 @@ public class UserService {
         }
 
         var updatedProfile = getUserByUsername(userRepresentation.getUsername());
+        updatedProfile.setRoles(updatedProfile.getRoles()
+                                        .stream()
+                                        .filter(ApplicationRoles::isNoKneconRole)
+                                        .collect(Collectors.toSet()));
 
         this.rabbitTemplate.convertAndSend(userExchangeName, "user.ownProfileUpdated", (new UserUpdatedOwnProfileEvent(updatedProfile)));
 
@@ -419,18 +443,25 @@ public class UserService {
             return;
         }
 
-        var status = validateExecution(KeycloakSecurity.getUserId(), userId);
+        var status = validateExecutionForDeletion(KeycloakSecurity.getUserId(), userId);
 
-        if (status.equals(ValidationStatus.FORBIDDEN)) {
+        if (status.equals(ValidationResult.FORBIDDEN)) {
             throw new ResponseStatusException(HttpStatus.FORBIDDEN, "It is not allowed to delete a user with higher ranking roles");
-        } else if (status.equals(ValidationStatus.INVALID)) {
+        } else if (status.equals(ValidationResult.INVALID)) {
             return;
         }
 
         var userResource = getUserResource(userId);
-
         var userToBeRemoved = getUserByUsername(userResource.toRepresentation().getUsername());
+
+        if (status.equals(ValidationResult.ROLE_REMOVAL)) {
+            removeRolesForDeletion(userId,
+                                   getRoles(userId).stream()
+                                           .filter(ApplicationRoles::isNoKneconRole)
+                                           .collect(Collectors.toSet()));
+        } else {
             userResource.remove();
+        }
 
         this.rabbitTemplate.convertAndSend(userExchangeName, "user.deleted", (new UserRemovedEvent(userToBeRemoved, KeycloakSecurity.getUserId())));
 
@@ -443,8 +474,9 @@ public class UserService {
         var user = this.getUserResource(userId);
         var userRepresentation = user.toRepresentation();
 
-        if (getRoles(userId).stream()
-                .anyMatch(ApplicationRoles::isKneconRole)) {
+        Set<String> currentRoles = getRoles(userId);
+        if (!userExists(userId) || !currentRoles.isEmpty() && currentRoles.stream()
+                .allMatch(ApplicationRoles::isKneconRole)) {
             throw new NotFoundException("User with id: " + userId + " does not exist");
         }
 
@@ -467,6 +499,10 @@ public class UserService {
         setRoles(userId, updateProfileRequest.getRoles());
 
         var updatedUser = getUserByUsername(userRepresentation.getUsername());
+        updatedUser.setRoles(updatedUser.getRoles()
+                                     .stream()
+                                     .filter(ApplicationRoles::isNoKneconRole)
+                                     .collect(Collectors.toSet()));
 
         this.rabbitTemplate.convertAndSend(userExchangeName, "user.updated", (new UserUpdatedEvent(updatedUser, KeycloakSecurity.getUserId())));
 
@@ -479,9 +515,9 @@ public class UserService {
         if (!userId.equalsIgnoreCase(KeycloakSecurity.getUserId())) {
             var status = validateExecution(KeycloakSecurity.getUserId(), userId);
 
-            if (status.equals(ValidationStatus.FORBIDDEN)) {
+            if (status.equals(ValidationResult.FORBIDDEN)) {
                 throw new ResponseStatusException(HttpStatus.FORBIDDEN, "It is not allowed to activate/deactivate a user with higher ranking roles");
-            } else if (status.equals(ValidationStatus.INVALID)) {
+            } else if (status.equals(ValidationResult.INVALID)) {
                 throw new NotFoundException("User with id: " + userId + " does not exist");
             }
         }
@@ -499,11 +535,14 @@ public class UserService {
         }
 
         var toggledUser = getUserByUsername(userRepresentation.getUsername());
+        toggledUser.setRoles(toggledUser.getRoles()
+                                     .stream()
+                                     .filter(ApplicationRoles::isNoKneconRole)
+                                     .collect(Collectors.toSet()));
 
         this.rabbitTemplate.convertAndSend(userExchangeName, "user.statusChanged", (new UserStatusToggleEvent(toggledUser, KeycloakSecurity.getUserId())));
 
-        return convert(this.getTenantUsersResource()
-                               .get(userId).toRepresentation());
+        return toggledUser;
     }
 
 
@@ -512,9 +551,9 @@ public class UserService {
         if (!userId.equalsIgnoreCase(KeycloakSecurity.getUserId())) {
             var status = validateExecution(KeycloakSecurity.getUserId(), userId);
 
-            if (status.equals(ValidationStatus.FORBIDDEN)) {
+            if (status.equals(ValidationResult.FORBIDDEN)) {
                 throw new ResponseStatusException(HttpStatus.FORBIDDEN, "It is not allowed to reset the password of a user with higher ranking roles");
-            } else if (status.equals(ValidationStatus.INVALID)) {
+            } else if (status.equals(ValidationResult.INVALID)) {
                 throw new NotFoundException("User with id: " + userId + " does not exist");
             }
         }
@@ -564,22 +603,48 @@ public class UserService {
     }
 
 
-    private enum ValidationStatus {
+    private enum ValidationResult {
         ALLOWED,
         FORBIDDEN,
-        INVALID
+        INVALID,
+        ROLE_REMOVAL
+
     }
 
 
-    private ValidationStatus validateExecution(String executingUserId, String targetUserId) {
+    private ValidationResult validateExecution(String executingUserId, String targetUserId) {
 
         var currentUserResource = getUserResource(executingUserId);
         var currentRoles = getRoles(currentUserResource.toRepresentation().getId());
         var userRoles = getRoles(targetUserId);
 
+        return validateRoleRanks(currentRoles, userRoles);
+    }
+
+
+    private ValidationResult validateExecutionForDeletion(String executingUserId, String targetUserId) {
+
+        var currentUserResource = getUserResource(executingUserId);
+        var currentRoles = getRoles(currentUserResource.toRepresentation().getId());
+        var userRoles = getRoles(targetUserId);
+
+        ValidationResult validationResult = validateRoleRanks(currentRoles, userRoles);
+        if (validationResult == ValidationResult.ALLOWED) {
             if (userRoles.stream()
-                .anyMatch(ApplicationRoles::isKneconRole)) {
-            return ValidationStatus.INVALID;
+                        .anyMatch(ApplicationRoles::isKneconRole) && userRoles.stream()
+                        .anyMatch(ApplicationRoles::isNoKneconRole)) {
+                return ValidationResult.ROLE_REMOVAL;
+            }
+        }
+        return validationResult;
+    }
+
+
+    private ValidationResult validateRoleRanks(Set<String> currentRoles, Set<String> userRoles) {
+
+        if (userRoles.stream()
+                .allMatch(ApplicationRoles::isKneconRole)) {
+            return ValidationResult.INVALID;
         }
 
         var roleMapping = tenantUserManagementProperties.getKcRoleMapping();
@@ -588,14 +653,15 @@ public class UserService {
                 .max(Integer::compare)
                 .orElse(-1);
         var targetRank = userRoles.stream()
+                .filter(ApplicationRoles::isNoKneconRole)
                 .map(r -> roleMapping.getRole(r).getRank())
                 .max(Integer::compare)
                 .orElse(-1);
 
         if (targetRank <= maxRank) {
-            return ValidationStatus.ALLOWED;
+            return ValidationResult.ALLOWED;
         } else {
-            return ValidationStatus.FORBIDDEN;
+            return ValidationResult.FORBIDDEN;
         }
     }
 

src/test/java/com/knecon/fforesight/tenantusermanagement/tests/UserTest.java

@@ -9,11 +9,13 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.HashSet;
 import java.util.List;
-import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
 import org.junit.jupiter.api.Test;
+import org.keycloak.admin.client.resource.UserResource;
+import org.keycloak.admin.client.resource.UsersResource;
+import org.keycloak.representations.idm.RoleRepresentation;
 import org.springframework.beans.factory.annotation.Autowired;
 
 import com.knecon.fforesight.tenantcommons.TenantContext;
@@ -26,6 +28,7 @@ import com.knecon.fforesight.tenantusermanagement.model.UpdateProfileRequest;
 import com.knecon.fforesight.tenantusermanagement.model.User;
 import com.knecon.fforesight.tenantusermanagement.permissions.ApplicationRoles;
 import com.knecon.fforesight.tenantusermanagement.properties.TenantUserManagementProperties;
+import com.knecon.fforesight.tenantusermanagement.service.RealmService;
 
 import feign.FeignException;
 import lombok.SneakyThrows;
@@ -35,6 +38,9 @@ public class UserTest extends AbstractTenantUserManagementIntegrationTest {
     @Autowired
     private UserClient userClient;
 
+    @Autowired
+    private RealmService realmService;
+
     @Autowired
     private TenantUserManagementProperties tenantUserManagementProperties;
 
@@ -386,24 +392,24 @@ public class UserTest extends AbstractTenantUserManagementIntegrationTest {
         createUserRequest.setFirstName("All");
         createUserRequest.setLastName("Roles");
         createUserRequest.setUsername("AllRoles");
-        createUserRequest.setRoles(allRoles);
         User user = userClient.createUser(createUserRequest);
+        addRoles(user.getUserId(), allRoles);
 
         var createUserRequest2 = new CreateUserRequest();
         createUserRequest2.setEmail("nokneconroles@notknecon.com");
         createUserRequest2.setFirstName("No Knecon");
         createUserRequest2.setLastName("Roles");
         createUserRequest2.setUsername("NoKneconRoles");
-        createUserRequest2.setRoles(allButKneconRoles);
         User noKneconUser = userClient.createUser(createUserRequest2);
+        addRoles(noKneconUser.getUserId(), allButKneconRoles);
 
         var createUserRequest3 = new CreateUserRequest();
         createUserRequest3.setEmail("onlykneconroles@notknecon.com");
         createUserRequest3.setFirstName("Only Knecon");
         createUserRequest3.setLastName("Roles");
         createUserRequest3.setUsername("OnlyKneconRoles");
-        createUserRequest3.setRoles(onlyKneconRoles);
         User onlyKneconUser = userClient.createUser(createUserRequest3);
+        addRoles(onlyKneconUser.getUserId(), onlyKneconRoles);
 
         var allUsers = userClient.getAllUsers(true);
 
@@ -480,69 +486,157 @@ public class UserTest extends AbstractTenantUserManagementIntegrationTest {
         tokenService.setUser("red-user-admin@knecon.com", "Secret@secured!23");
 
         // we should not be able to set roles of this user at all as it is not visible to us resulting in a 404
-        e = assertThrows(FeignException.class, () -> userClient.setRoles(user.getUserId(), onlyKneconRoles));
+        e = assertThrows(FeignException.class, () -> userClient.setRoles(onlyKneconUser.getUserId(), allButKneconRoles));
         assertEquals(404, e.status());
 
+        // we can not assign a knecon rule as it is not visible to us
+        e = assertThrows(FeignException.class, () -> userClient.setRoles(user.getUserId(), onlyKneconRoles));
+        assertEquals(400, e.status());
+
         // we should not be able to assign ourselves a knecon role as it is not visible to us
         e = assertThrows(FeignException.class, () -> userClient.setRoles(redUserAdmin.getUserId(), allRoles));
         assertEquals(400, e.status());
 
+        // reset password for authentication
+        userClient.resetPassword(noKneconUser.getUserId(), ResetPasswordRequest.builder().password("Secret@secured!23").build());
+
+        // authenticate with user without knecon roles
+        tokenService.setUser("nokneconroles@notknecon.com", "Secret@secured!23");
+
+        e = assertThrows(FeignException.class, () -> userClient.resetPassword(onlyKneconUser.getUserId(), ResetPasswordRequest.builder().password("Secret@secured!23").build()));
+        assertEquals(404, e.status());
+
+        userClient.resetPassword(user.getUserId(), ResetPasswordRequest.builder().password("Secret@secured!23").build());
+
+        userClient.activateProfile(user.getUserId(), true);
+
+        userClient.deleteUser(user.getUserId());
+
+        e = assertThrows(FeignException.class, () -> userClient.getUserById(user.getUserId()));
+        assertEquals(404, e.status());
+        // give the user the old roles back
+        addRoles(user.getUserId(), allButKneconRoles);
+
+        // create several users with different roles for testing
+        createUserRequest = new CreateUserRequest();
+        createUserRequest.setEmail("lesseruser@user.com");
+        createUserRequest.setFirstName("Lesser");
+        createUserRequest.setLastName("User");
+        createUserRequest.setUsername("LesserSuperUser");
+        var lesserUser = userClient.createUser(createUserRequest);
+        addRoles(lesserUser.getUserId(), Set.of("LESS_SUPER_USER"));
+
+        // reset password for authentication
+        userClient.resetPassword(lesserUser.getUserId(), ResetPasswordRequest.builder().password("Secret@secured!23").build());
+
+        // authenticate with user without knecon roles
+        tokenService.setUser("lesseruser@user.com", "Secret@secured!23");
+
+        e = assertThrows(FeignException.class, () -> userClient.resetPassword(user.getUserId(), ResetPasswordRequest.builder().password("Secret@secured!23").build()));
+        assertEquals(403, e.status());
+
+        e = assertThrows(FeignException.class, () -> userClient.activateProfile(user.getUserId(), true));
+        assertEquals(403, e.status());
+
+        e = assertThrows(FeignException.class, () -> userClient.deleteUser(user.getUserId()));
+        assertEquals(403, e.status());
+
         // authenticate as knecon admin again
         tokenService.setUser("admin@knecon.com", "secret");
 
-        // this should be possible because we now have knecon roles
-        userClient.setRoles(onlyKneconUser.getUserId(), allRoles);
-        assertEquals(userClient.getUserById(onlyKneconUser.getUserId()).getRoles().size(), 2);
+        // this should still not be possible
+        e = assertThrows(FeignException.class, () ->  userClient.setRoles(onlyKneconUser.getUserId(), allRoles));
+        assertEquals(404, e.status());
 
-        // and this as well
-        userClient.setRoles(user.getUserId(), allRoles);
+        // and also not this
+        e = assertThrows(FeignException.class, () ->  userClient.setRoles(user.getUserId(), allRoles));
+        assertEquals(400, e.status());
 
         // we can also poll the user
         userClient.getUserById(user.getUserId());
 
+        e = assertThrows(FeignException.class, () -> userClient.getUserById(onlyKneconUser.getUserId()));
+        assertEquals(404, e.status());
+
         // back to having no rights
         tokenService.setUser("red-user-admin@knecon.com", "Secret@secured!23");
 
         // we can not call update profile
-        e = assertThrows(FeignException.class, () -> userClient.updateProfile(user.getUserId(), new UpdateProfileRequest()));
+        e = assertThrows(FeignException.class, () -> userClient.updateProfile(onlyKneconUser.getUserId(), new UpdateProfileRequest()));
         assertEquals(404, e.status());
 
         // or reset password
-        e = assertThrows(FeignException.class, () -> userClient.resetPassword(user.getUserId(), new ResetPasswordRequest()));
+        e = assertThrows(FeignException.class, () -> userClient.resetPassword(onlyKneconUser.getUserId(), new ResetPasswordRequest()));
         assertEquals(404, e.status());
 
         // now as a knecon admin again
         tokenService.setUser("admin@knecon.com", "secret");
 
         // we can also not see another knecon account and change their password
-        e = assertThrows(FeignException.class, () -> userClient.resetPassword(user.getUserId(), new ResetPasswordRequest()));
+        e = assertThrows(FeignException.class, () -> userClient.resetPassword(onlyKneconUser.getUserId(), new ResetPasswordRequest()));
         assertEquals(404, e.status());
 
         // or activate the profile
-        e = assertThrows(FeignException.class, () -> userClient.activateProfile(user.getUserId(), true));
+        e = assertThrows(FeignException.class, () -> userClient.activateProfile(onlyKneconUser.getUserId(), true));
         assertEquals(404, e.status());
 
+        // but the user with all roles can be processed
+        userClient.resetPassword(user.getUserId(), new ResetPasswordRequest("Secret@secured!23", false));
+        User activated = userClient.activateProfile(user.getUserId(), true);
+        activated.getRoles()
+                .stream()
+                .noneMatch(ApplicationRoles::isKneconRole);
+
         // we create a new user with all roles
         var createUserRequest4 = new CreateUserRequest();
         createUserRequest4.setEmail("allroles2@knecon.com");
         createUserRequest4.setFirstName("All");
         createUserRequest4.setLastName("Roles2");
         createUserRequest4.setUsername("AllRoles2");
-        createUserRequest4.setRoles(allRoles);
         User user4 = userClient.createUser(createUserRequest4);
+        addRoles(user4.getUserId(), allRoles);
 
-        // we attempt to delete it
-        userClient.deleteUser(user4.getUserId());
+        // we attempt to delete it, should not be possible but still return 204
+        userClient.deleteUser(onlyKneconUser.getUserId());
 
         // and again using the bulk call
-        userClient.deleteUsers(List.of(user4.getUserId()));
+        userClient.deleteUsers(List.of(onlyKneconUser.getUserId()));
 
+        // no rights again ...
+        tokenService.setUser("red-user-admin@knecon.com", "Secret@secured!23");
+
+        // with this user we expect a 204 as well
+        userClient.deleteUser(onlyKneconUser.getUserId());
+
+        userClient.deleteUsers(List.of(onlyKneconUser.getUserId()));
+
+        // check users as knecon admin again
+        tokenService.setUser("admin@knecon.com", "secret");
+
+        // with this user we expect a 204 as well but the user should have removed red roles
+        userClient.deleteUser(user4.getUserId());
+
+        addRoles(onlyKneconUser.getUserId(), allRoles);
         allUsers = userClient.getAllUsers(true);
         assertTrue(allUsers.stream()
-                           .anyMatch(u -> u.getUserId().equals(user4.getUserId())));
-        // and should not have changed
-        var user5 = userClient.getUserById(user4.getUserId());
-        assertEquals(user4, user5);
+                           .anyMatch(u -> u.getUserId().equals(onlyKneconUser.getUserId())));
+
+        // hence, 404 when trying to get the user now
+        e = assertThrows(FeignException.class, () -> userClient.getUserById(user4.getUserId()));
+        assertEquals(404, e.status());
+        // give the user the old roles back
+        addRoles(user4.getUserId(), allButKneconRoles);
+
+        allUsers = userClient.getAllUsers(true);
+        var user4AfterShenanigansOpt = allUsers.stream().filter(u -> u.getUserId().equals(user4.getUserId())).findFirst();
+        assertTrue(user4AfterShenanigansOpt.isPresent());
+        user4AfterShenanigansOpt.get().setRoles(new HashSet<>());
+        assertEquals(user4AfterShenanigansOpt.get(), user4);
+
+        var stillOnlyKneconUserOpt = allUsers.stream().filter(u -> u.getUserId().equals(onlyKneconUser.getUserId())).findFirst();
+        assertTrue(stillOnlyKneconUserOpt.isPresent());
+        stillOnlyKneconUserOpt.get().setRoles(new HashSet<>());
+        assertEquals(stillOnlyKneconUserOpt.get(), onlyKneconUser);
 
     }
 
@@ -563,8 +657,8 @@ public class UserTest extends AbstractTenantUserManagementIntegrationTest {
         createUserRequest.setFirstName("Some Other");
         createUserRequest.setLastName("User");
         createUserRequest.setUsername("SomeOtherUser");
-        createUserRequest.setRoles(allRoles);
         User user = userClient.createUser(createUserRequest);
+        addRoles(user.getUserId(), allRoles);
 
         var createUserRequest2 = new CreateUserRequest();
         createUserRequest2.setEmail("noroles@notknecon.com");
@@ -623,4 +717,30 @@ public class UserTest extends AbstractTenantUserManagementIntegrationTest {
 
     }
 
+
+    private UsersResource getTenantUsersResource() {
+
+        return realmService.realm(TenantContext.getTenantId()).users();
+    }
+
+
+    private UserResource getUserResource(String userId) {
+
+        return this.getTenantUsersResource()
+                .get(userId);
+    }
+
+
+    private RoleRepresentation getRoleRepresentation(String role) {
+
+        return realmService.realm(TenantContext.getTenantId()).roles()
+                .get(role).toRepresentation();
+    }
+
+
+    private void addRoles(String userId, Set<String> roles) {
+
+        getUserResource(userId).roles().realmLevel().add(roles.stream().map(this::getRoleRepresentation).toList());
+    }
+
 }