/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.keycloak.services.resources.admin;

import org.eclipse.microprofile.openapi.annotations.Operation;
import org.eclipse.microprofile.openapi.annotations.extensions.Extension;
import org.eclipse.microprofile.openapi.annotations.parameters.Parameter;
import org.eclipse.microprofile.openapi.annotations.responses.APIResponse;
import org.eclipse.microprofile.openapi.annotations.tags.Tag;
import org.jboss.logging.Logger;
import org.jboss.resteasy.reactive.NoCache;
import org.keycloak.authentication.RequiredActionProvider;
import org.keycloak.authentication.actiontoken.execactions.ExecuteActionsActionToken;
import org.keycloak.authentication.actiontoken.verifyemail.VerifyEmailActionToken;
import org.keycloak.authentication.requiredactions.util.RequiredActionsValidator;
import org.keycloak.common.ClientConnection;
import org.keycloak.common.Profile;
import org.keycloak.common.util.CollectionUtil;
import org.keycloak.common.util.Time;
import org.keycloak.credential.CredentialModel;
import org.keycloak.email.EmailException;
import org.keycloak.email.EmailTemplateProvider;
import org.keycloak.events.Details;
import org.keycloak.events.EventBuilder;
import org.keycloak.events.EventType;
import org.keycloak.events.admin.OperationType;
import org.keycloak.events.admin.ResourceType;
import org.keycloak.models.AuthenticatedClientSessionModel;
import org.keycloak.models.ClientModel;
import org.keycloak.models.Constants;
import org.keycloak.models.FederatedIdentityModel;
import org.keycloak.models.GroupModel;
import org.keycloak.models.IdentityProviderModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.ModelDuplicateException;
import org.keycloak.models.ModelException;
import org.keycloak.models.RealmModel;
import org.keycloak.models.UserConsentModel;
import org.keycloak.models.UserCredentialModel;
import org.keycloak.models.UserLoginFailureModel;
import org.keycloak.models.UserManager;
import org.keycloak.models.UserModel;
import org.keycloak.models.UserSessionModel;
import org.keycloak.models.light.LightweightUserAdapter;
import org.keycloak.models.utils.ModelToRepresentation;
import org.keycloak.models.utils.RepresentationToModel;
import org.keycloak.models.utils.RoleUtils;
import org.keycloak.protocol.oidc.OIDCLoginProtocol;
import org.keycloak.protocol.oidc.utils.RedirectUtils;
import org.keycloak.provider.ProviderFactory;
import org.keycloak.representations.idm.CredentialRepresentation;
import org.keycloak.representations.idm.ErrorRepresentation;
import org.keycloak.representations.idm.FederatedIdentityRepresentation;
import org.keycloak.representations.idm.GroupRepresentation;
import org.keycloak.representations.idm.UserConsentRepresentation;
import org.keycloak.representations.idm.UserRepresentation;
import org.keycloak.representations.idm.UserSessionRepresentation;
import org.keycloak.services.ErrorResponse;
import org.keycloak.services.ErrorResponseException;
import org.keycloak.services.ForbiddenException;
import org.keycloak.services.ServicesLogger;
import org.keycloak.services.Urls;
import org.keycloak.services.managers.AuthenticationManager;
import org.keycloak.services.managers.BruteForceProtector;
import org.keycloak.services.managers.UserConsentManager;
import org.keycloak.services.managers.UserSessionManager;
import org.keycloak.services.messages.Messages;
import org.keycloak.services.resources.KeycloakOpenAPI;
import org.keycloak.services.resources.LoginActionsService;
import org.keycloak.services.resources.admin.permissions.AdminPermissionEvaluator;
import org.keycloak.services.validation.Validation;
import org.keycloak.storage.ReadOnlyException;
import org.keycloak.userprofile.UserProfile;
import org.keycloak.userprofile.UserProfileProvider;
import org.keycloak.userprofile.ValidationException;
import org.keycloak.utils.ProfileHelper;

import jakarta.ws.rs.BadRequestException;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.DELETE;
import jakarta.ws.rs.DefaultValue;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.NotFoundException;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.PUT;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.PathParam;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.QueryParam;
import jakarta.ws.rs.core.HttpHeaders;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.Response;
import jakarta.ws.rs.core.Response.Status;
import jakarta.ws.rs.core.UriBuilder;
import org.keycloak.utils.StringUtil;

import java.net.URI;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import static java.util.Collections.emptyList;
import static java.util.Optional.ofNullable;
import static org.keycloak.models.ImpersonationSessionNote.IMPERSONATOR_ID;
import static org.keycloak.models.ImpersonationSessionNote.IMPERSONATOR_USERNAME;
import static org.keycloak.userprofile.UserProfileContext.USER_API;

/**
 * Base resource for managing users
 *
 * @resource Users
 * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
 * @version $Revision: 1 $
 */
@Extension(name = KeycloakOpenAPI.Profiles.ADMIN, value = "")
public class UserResource {
    private static final Logger logger = Logger.getLogger(UserResource.class);

    protected final RealmModel realm;

    private final AdminPermissionEvaluator auth;

    private final AdminEventBuilder adminEvent;
    private final UserModel user;

    protected final ClientConnection clientConnection;

    protected final KeycloakSession session;

    protected final HttpHeaders headers;

    public UserResource(KeycloakSession session, UserModel user, AdminPermissionEvaluator auth, AdminEventBuilder adminEvent) {
        this.session = session;
        this.auth = auth;
        this.realm = session.getContext().getRealm();
        this.clientConnection = session.getContext().getConnection();
        this.user = user;
        this.adminEvent = adminEvent.resource(ResourceType.USER);
        this.headers = session.getContext().getRequestHeaders();
    }
    
    /**
     * Update the user
     *
     * @param rep
     * @return
     */
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Update the user")
    public Response updateUser(final UserRepresentation rep) {

        auth.users().requireManage(user);
        try {

            boolean wasPermanentlyLockedOut = false;
            if (rep.isEnabled() != null && rep.isEnabled()) {
                UserLoginFailureModel failureModel = session.loginFailures().getUserLoginFailure(realm, user.getId());
                if (failureModel != null) {
                    failureModel.clearFailures();
                }
                wasPermanentlyLockedOut = session.getProvider(BruteForceProtector.class).isPermanentlyLockedOut(session, realm, user);
            }

            Map<String, List<String>> attributes = new HashMap<>(rep.getRawAttributes());

            if (rep.getAttributes() == null) {
                // include existing attributes in case no attributes are set so that validation takes into account the existing
                // attributes associated with the user
                for (Map.Entry<String, List<String>> entry : user.getAttributes().entrySet()) {
                    attributes.putIfAbsent(entry.getKey(), entry.getValue());
                }
            }

            UserProfile profile = session.getProvider(UserProfileProvider.class).create(USER_API, attributes, user);

            Response response = validateUserProfile(profile, session, auth.adminAuth());
            if (response != null) {
                return response;
            }
            profile.update(rep.getAttributes() != null);
            updateUserFromRep(profile, user, rep, session, true);
            RepresentationToModel.createCredentials(rep, session, realm, user, true);

            // we need to do it here as the attributes would be overwritten by what is in the rep
            if (wasPermanentlyLockedOut) {
                session.getProvider(BruteForceProtector.class).cleanUpPermanentLockout(session, realm, user);
            }

            adminEvent.operation(OperationType.UPDATE).resourcePath(session.getContext().getUri()).representation(rep).success();

            if (session.getTransactionManager().isActive()) {
                session.getTransactionManager().commit();
            }
            return Response.noContent().build();
        } catch (ModelDuplicateException e) {
            session.getTransactionManager().setRollbackOnly();
            throw ErrorResponse.exists("User exists with same username or email");
        } catch (ReadOnlyException re) {
            session.getTransactionManager().setRollbackOnly();
            throw ErrorResponse.error("User is read only!", Status.BAD_REQUEST);
        } catch (ModelException me) {
            logger.warn("Could not update user!", me);
            session.getTransactionManager().setRollbackOnly();
            throw ErrorResponse.error("Could not update user!", Status.BAD_REQUEST);
        } catch (ForbiddenException | ErrorResponseException e) {
            session.getTransactionManager().setRollbackOnly();
            throw e;
        } catch (Exception me) { // JPA
            session.getTransactionManager().setRollbackOnly();
            logger.warn("Could not update user!", me);// may be committed by JTA which can't
            throw ErrorResponse.error("Could not update user!", Status.BAD_REQUEST);
        }
    }

    public static Response validateUserProfile(UserProfile profile, KeycloakSession session, AdminAuth adminAuth) {
        try {
            profile.validate();
        } catch (ValidationException pve) {
            List<ErrorRepresentation> errors = new ArrayList<>();
            for (ValidationException.Error error : pve.getErrors()) {
                // some messages are managed directly as before
                switch (error.getMessage()) {
                    case Messages.MISSING_USERNAME -> throw ErrorResponse.error("User name is missing", Response.Status.BAD_REQUEST);
                    case Messages.USERNAME_EXISTS -> throw ErrorResponse.exists("User exists with same username");
                    case Messages.EMAIL_EXISTS -> throw ErrorResponse.exists("User exists with same email");
                }
                errors.add(new ErrorRepresentation(error.getAttribute(), error.getMessage(), error.getMessageParameters()));
            }

            throw ErrorResponse.errors(errors, Status.BAD_REQUEST);
        }

        return null;
    }

    public static void updateUserFromRep(UserProfile profile, UserModel user, UserRepresentation rep, KeycloakSession session, boolean isUpdateExistingUser) {
        boolean removeMissingRequiredActions = isUpdateExistingUser;

        if (rep.isEnabled() != null) user.setEnabled(rep.isEnabled());
        if (rep.isEmailVerified() != null) user.setEmailVerified(rep.isEmailVerified());
        if (rep.getCreatedTimestamp() != null && !isUpdateExistingUser) user.setCreatedTimestamp(rep.getCreatedTimestamp());

        if (rep.getFederationLink() != null) user.setFederationLink(rep.getFederationLink());

        List<String> reqActions = rep.getRequiredActions();

        if (reqActions != null) {
            session.getKeycloakSessionFactory()
                    .getProviderFactoriesStream(RequiredActionProvider.class)
                    .map(ProviderFactory::getId)
                    .distinct()
                    .forEach(action -> {
                        if (reqActions.contains(action)) {
                            user.addRequiredAction(action);
                        } else if (removeMissingRequiredActions) {
                            user.removeRequiredAction(action);
                        }
                    });
        }

        List<CredentialRepresentation> credentials = rep.getCredentials();
        if (credentials != null) {
            for (CredentialRepresentation credential : credentials) {
                if (CredentialRepresentation.PASSWORD.equals(credential.getType()) && credential.isTemporary() != null
                        && credential.isTemporary()) {
                    user.addRequiredAction(UserModel.RequiredAction.UPDATE_PASSWORD);
                }
            }
        }
    }


    /**
     * Get representation of the user
     *
     * @return
     */
    @GET
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Get representation of the user")
    public UserRepresentation getUser(
            @Parameter(description = "Indicates if the user profile metadata should be added to the response") @QueryParam("userProfileMetadata") boolean userProfileMetadata
    ) {
        auth.users().requireView(user);

        UserProfileProvider provider = session.getProvider(UserProfileProvider.class);
        UserProfile profile = provider.create(USER_API, user);
        UserRepresentation rep = profile.toRepresentation();

        if (realm.isIdentityFederationEnabled()) {
            List<FederatedIdentityRepresentation> reps = getFederatedIdentities(user).collect(Collectors.toList());
            rep.setFederatedIdentities(reps);
        }

        if (session.getProvider(BruteForceProtector.class).isTemporarilyDisabled(session, realm, user)) {
            rep.setEnabled(false);
        }
        rep.setAccess(auth.users().getAccess(user));

        if (!userProfileMetadata) {
            rep.setUserProfileMetadata(null);
        }

        return rep;
    }

    /**
     * Impersonate the user
     *
     * @return
     */
    @Path("impersonation")
    @POST
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Impersonate the user")
    public Map<String, Object> impersonate() {
        ProfileHelper.requireFeature(Profile.Feature.IMPERSONATION);

        auth.users().requireImpersonate(user);

        if (!user.isEnabled()) {
            throw ErrorResponse.error("User is disabled", Status.BAD_REQUEST);
        }
        if (user.getServiceAccountClientLink() != null) {
            throw ErrorResponse.error("Service accounts cannot be impersonated", Status.BAD_REQUEST);
        }

        RealmModel authenticatedRealm = auth.adminAuth().getRealm();
        // if same realm logout before impersonation
        boolean sameRealm = false;
        String sessionState = auth.adminAuth().getToken().getSessionState();
        if (authenticatedRealm.getId().equals(realm.getId()) && sessionState != null) {
            sameRealm = true;
            UserSessionModel userSession = session.sessions().getUserSession(authenticatedRealm, sessionState);
            AuthenticationManager.expireIdentityCookie(session);
            AuthenticationManager.expireRememberMeCookie(session);
            AuthenticationManager.expireAuthSessionCookie(session);
            AuthenticationManager.backchannelLogout(session, authenticatedRealm, userSession, session.getContext().getUri(), clientConnection, headers, true);
        }
        EventBuilder event = new EventBuilder(realm, session, clientConnection);

        UserSessionModel userSession = new UserSessionManager(session).createUserSession(realm, user, user.getUsername(), clientConnection.getRemoteAddr(), "impersonate", false, null, null);

        UserModel adminUser = auth.adminAuth().getUser();
        String impersonatorId = adminUser.getId();
        String impersonator = adminUser.getUsername();
        userSession.setNote(IMPERSONATOR_ID.toString(), impersonatorId);
        userSession.setNote(IMPERSONATOR_USERNAME.toString(), impersonator);

        AuthenticationManager.createLoginCookie(session, realm, userSession.getUser(), userSession, session.getContext().getUri(), clientConnection);
        URI redirect = Urls.accountBase(session.getContext().getUri().getBaseUri()).build(realm.getName());
        Map<String, Object> result = new HashMap<>();
        result.put("sameRealm", sameRealm);
        result.put("redirect", redirect.toString());
        event.event(EventType.IMPERSONATE)
                .session(userSession)
                .user(user)
                .detail(Details.IMPERSONATOR_REALM, authenticatedRealm.getName())
                .detail(Details.IMPERSONATOR, impersonator).success();

        return result;
    }


    /**
     * Get sessions associated with the user
     *
     * @return
     */
    @Path("sessions")
    @GET
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Get sessions associated with the user")
    public Stream<UserSessionRepresentation> getSessions() {
        auth.users().requireView(user);
        return session.sessions().getUserSessionsStream(realm, user).map(ModelToRepresentation::toRepresentation);
    }

    /**
     * Get offline sessions associated with the user and client
     *
     * @return
     */
    @Path("offline-sessions/{clientUuid}")
    @GET
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Get offline sessions associated with the user and client")
    public Stream<UserSessionRepresentation> getOfflineSessions(final @PathParam("clientUuid") String clientUuid) {
        auth.users().requireView(user);
        ClientModel client = realm.getClientById(clientUuid);
        if (client == null) {
            throw new NotFoundException("Client not found");
        }
        return new UserSessionManager(session).findOfflineSessionsStream(realm, user)
                .map(session -> toUserSessionRepresentation(session, clientUuid))
                .filter(Objects::nonNull);
    }

    /**
     * Get social logins associated with the user
     *
     * @return a non-null {@code Stream} of social logins (federated identities).
     */
    @Path("federated-identity")
    @GET
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Get social logins associated with the user")
    public Stream<FederatedIdentityRepresentation> getFederatedIdentity() {
        auth.users().requireView(user);
        return getFederatedIdentities(user);
    }

    private Stream<FederatedIdentityRepresentation> getFederatedIdentities(UserModel user) {
        Set<String> idps = realm.getIdentityProvidersStream().map(IdentityProviderModel::getAlias).collect(Collectors.toSet());
        return session.users().getFederatedIdentitiesStream(realm, user)
                .filter(identity -> idps.contains(identity.getIdentityProvider()))
                .map(ModelToRepresentation::toRepresentation);
    }

    /**
     * Add a social login provider to the user
     *
     * @param provider Social login provider id
     * @param rep
     * @return
     */
    @Path("federated-identity/{provider}")
    @POST
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Add a social login provider to the user")
    public Response addFederatedIdentity(final @Parameter(description = "Social login provider id") @PathParam("provider") String provider, FederatedIdentityRepresentation rep) {
        auth.users().requireManage(user);
        if (session.users().getFederatedIdentity(realm, user, provider) != null) {
            throw ErrorResponse.exists("User is already linked with provider");
        }

        FederatedIdentityModel socialLink = new FederatedIdentityModel(provider, rep.getUserId(), rep.getUserName());
        session.users().addFederatedIdentity(realm, user, socialLink);
        adminEvent.operation(OperationType.CREATE).resourcePath(session.getContext().getUri()).representation(rep).success();
        return Response.noContent().build();
    }

    /**
     * Remove a social login provider from user
     *
     * @param provider Social login provider id
     */
    @Path("federated-identity/{provider}")
    @DELETE
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Remove a social login provider from user")
    public void removeFederatedIdentity(final @Parameter(description = "Social login provider id") @PathParam("provider") String provider) {
        auth.users().requireManage(user);
        if (!session.users().removeFederatedIdentity(realm, user, provider)) {
            throw new NotFoundException("Link not found");
        }
        adminEvent.operation(OperationType.DELETE).resourcePath(session.getContext().getUri()).success();
    }

    /**
     * Get consents granted by the user
     *
     * @return
     */
    @Path("consents")
    @GET
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Get consents granted by the user")
    public Stream<Map<String, Object>> getConsents() {
        auth.users().requireView(user);

        Set<ClientModel> offlineClients = new UserSessionManager(session).findClientsWithOfflineToken(realm, user);

        Set<ClientModel> clientsWithUserConsents = new HashSet<>();
        List<UserConsentModel> userConsents = UserConsentManager.getConsentsStream(session, realm, user)
                 // collect clients with explicit user consents for later filtering
                .peek(ucm -> clientsWithUserConsents.add(ucm.getClient()))
                .collect(Collectors.toList());

        return Stream.concat(
                userConsents.stream().map(consent -> toConsent(consent, offlineClients)),
                offlineClients.stream()
                        // filter out clients with explicit user consents to avoid rendering them twice
                        .filter(c -> !clientsWithUserConsents.contains(c))
                        .map(this::toConsent)
        );
    }

    private Map<String, Object> toConsent(ClientModel client) {
        Map<String, Object> currentRep = new HashMap<>();
        currentRep.put("clientId", client.getClientId());
        currentRep.put("grantedClientScopes", Collections.emptyList());
        currentRep.put("createdDate", null);
        currentRep.put("lastUpdatedDate", null);

        List<Map<String, String>> additionalGrants = new LinkedList<>();

        Map<String, String> offlineTokens = new HashMap<>();
        offlineTokens.put("client", client.getId());
        offlineTokens.put("key", "Offline Token");
        additionalGrants.add(offlineTokens);

        currentRep.put("additionalGrants", additionalGrants);
        return currentRep;
    }

    private Map<String, Object> toConsent(UserConsentModel consent, Set<ClientModel> offlineClients) {

        UserConsentRepresentation rep = ModelToRepresentation.toRepresentation(consent);

        Map<String, Object> currentRep = new HashMap<>();
        currentRep.put("clientId", consent.getClient().getClientId());
        currentRep.put("grantedClientScopes", rep.getGrantedClientScopes());
        currentRep.put("createdDate", rep.getCreatedDate());
        currentRep.put("lastUpdatedDate", rep.getLastUpdatedDate());

        List<Map<String, String>> additionalGrants = new LinkedList<>();
        if (offlineClients.contains(consent.getClient())) {
            Map<String, String> offlineTokens = new HashMap<>();
            offlineTokens.put("client", consent.getClient().getId());
            offlineTokens.put("key", "Offline Token");
            additionalGrants.add(offlineTokens);
        }
        currentRep.put("additionalGrants", additionalGrants);
        return currentRep;
    }


    /**
     * Revoke consent and offline tokens for particular client from user
     *
     * @param clientId Client id
     */
    @Path("consents/{client}")
    @DELETE
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Revoke consent and offline tokens for particular client from user")
    public void revokeConsent(final @Parameter(description = "Client id") @PathParam("client") String clientId) {
        auth.users().requireManage(user);

        ClientModel client = realm.getClientByClientId(clientId);
        if (client == null) {
            throw new NotFoundException("Client not found");
        }
        boolean revokedConsent = UserConsentManager.revokeConsentToClient(session, client, user);

        if (!revokedConsent) {
            throw new NotFoundException("Consent nor offline token not found");
        }
        adminEvent.operation(OperationType.ACTION).resourcePath(session.getContext().getUri()).success();
    }

    /**
     * Remove all user sessions associated with the user
     *
     * Also send notification to all clients that have an admin URL to invalidate the sessions for the particular user.
     *
     */
    @Path("logout")
    @POST
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Remove all user sessions associated with the user Also send notification to all clients that have an admin URL to invalidate the sessions for the particular user.")
    @APIResponse(responseCode = "204", description = "No Content")
    public void logout() {
        auth.users().requireManage(user);

        if (! LightweightUserAdapter.isLightweightUser(user)) {
            session.users().setNotBeforeForUser(realm, user, Time.currentTime());
        }

        session.sessions().getUserSessionsStream(realm, user)
                .collect(Collectors.toList()) // collect to avoid concurrent modification as backchannelLogout removes the user sessions.
                .forEach(userSession -> AuthenticationManager.backchannelLogout(session, realm, userSession,
                        session.getContext().getUri(), clientConnection, headers, true));
        adminEvent.operation(OperationType.ACTION).resourcePath(session.getContext().getUri()).success();
    }

    /**
     * Delete the user
     */
    @DELETE
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Delete the user")
    public Response deleteUser() {
        auth.users().requireManage(user);

        boolean removed = new UserManager(session).removeUser(realm, user);
        if (removed) {
            adminEvent.operation(OperationType.DELETE).resourcePath(session.getContext().getUri()).success();
            return Response.noContent().build();
        } else {
            throw ErrorResponse.error("User couldn't be deleted", Status.BAD_REQUEST);
        }
    }

    @Path("role-mappings")
    public RoleMapperResource getRoleMappings() {
        AdminPermissionEvaluator.RequirePermissionCheck manageCheck = () -> auth.users().requireMapRoles(user);
        AdminPermissionEvaluator.RequirePermissionCheck viewCheck = () -> auth.users().requireView(user);
        return new RoleMapperResource(session, auth, user, adminEvent, manageCheck, viewCheck);
    }

    /**
     * Disable all credentials for a user of a specific type
     *
     * @param credentialTypes
     */
    @Path("disable-credential-types")
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Disable all credentials for a user of a specific type")
    public void disableCredentialType(List<String> credentialTypes) {
        auth.users().requireManage(user);
        if (credentialTypes == null) return;
        for (String type : credentialTypes) {
            user.credentialManager().disableCredentialType(type);

        }
    }

    /**
     * Set up a new password for the user.
     *
     * @param cred The representation must contain a rawPassword with the plain-text password
     */
    @Path("reset-password")
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Set up a new password for the user.")
    public void resetPassword(@Parameter(description = "The representation must contain a rawPassword with the plain-text password") CredentialRepresentation cred) {
        auth.users().requireManage(user);
        if (cred == null || cred.getValue() == null) {
            throw new BadRequestException("No password provided");
        }
        if (Validation.isBlank(cred.getValue())) {
            throw new BadRequestException("Empty password not allowed");
        }

        try {
            user.credentialManager().updateCredential(UserCredentialModel.password(cred.getValue(), false));
        } catch (IllegalStateException ise) {
            throw new BadRequestException("Resetting to N old passwords is not allowed.");
        } catch (ReadOnlyException mre) {
            throw new BadRequestException("Can't reset password as account is read only");
        } catch (ModelException e) {
            logger.warn("Could not update user password.", e);
            Properties messages = AdminRoot.getMessages(session, realm, auth.adminAuth().getToken().getLocale());
            throw new ErrorResponseException(e.getMessage(), MessageFormat.format(messages.getProperty(e.getMessage(), e.getMessage()), e.getParameters()),
                    Status.BAD_REQUEST);
        }
        if (cred.isTemporary() != null && cred.isTemporary()) {
            user.addRequiredAction(UserModel.RequiredAction.UPDATE_PASSWORD);
        } else {
            // Remove a potentially existing UPDATE_PASSWORD action when explicitly assigning a non-temporary password.
            user.removeRequiredAction(UserModel.RequiredAction.UPDATE_PASSWORD);
        }

        adminEvent.operation(OperationType.ACTION).resourcePath(session.getContext().getUri()).success();
    }


    @GET
    @Path("credentials")
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation()
    public Stream<CredentialRepresentation> credentials(){
        auth.users().requireView(user);
        return user.credentialManager().getStoredCredentialsStream()
                .map(ModelToRepresentation::toRepresentation)
                .peek(credentialRepresentation -> credentialRepresentation.setSecretData(null));
    }


    /**
     * Return credential types, which are provided by the user storage where user is stored. Returned values can contain for example "password", "otp" etc.
     * This will always return empty list for "local" users, which are not backed by any user storage
     *
     * @return
     */
    @GET
    @Path("configured-user-storage-credential-types")
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Return credential types, which are provided by the user storage where user is stored.", description = "Returned values can contain for example \"password\", \"otp\" etc. This will always return empty list for \"local\" users, which are not backed by any user storage")
    public Stream<String> getConfiguredUserStorageCredentialTypes() {
        // changed to "requireView" as per issue #20783
        auth.users().requireView(user);
        return user.credentialManager().getConfiguredUserStorageCredentialTypesStream();
    }


    /**
     * Remove a credential for a user
     *
     */
    @Path("credentials/{credentialId}")
    @DELETE
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Remove a credential for a user")
    public void removeCredential(final @PathParam("credentialId") String credentialId) {
        auth.users().requireManage(user);
        CredentialModel credential = user.credentialManager().getStoredCredentialById(credentialId);
        if (credential == null) {
            // we do this to make sure somebody can't phish ids
            if (auth.users().canQuery()) throw new NotFoundException("Credential not found");
            else throw new ForbiddenException();
        }
        user.credentialManager().removeStoredCredentialById(credentialId);
        adminEvent.operation(OperationType.ACTION).resourcePath(session.getContext().getUri()).success();
    }

    /**
     * Update a credential label for a user
     */
    @PUT
    @Consumes(MediaType.TEXT_PLAIN)
    @Path("credentials/{credentialId}/userLabel")
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Update a credential label for a user")
    public void setCredentialUserLabel(final @PathParam("credentialId") String credentialId, String userLabel) {
        auth.users().requireManage(user);
        CredentialModel credential = user.credentialManager().getStoredCredentialById(credentialId);
        if (credential == null) {
            // we do this to make sure somebody can't phish ids
            if (auth.users().canQuery()) throw new NotFoundException("Credential not found");
            else throw new ForbiddenException();
        }
        user.credentialManager().updateCredentialLabel(credentialId, userLabel);
    }

    /**
     * Move a credential to a first position in the credentials list of the user
     * @param credentialId The credential to move
     */
    @Path("credentials/{credentialId}/moveToFirst")
    @POST
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Move a credential to a first position in the credentials list of the user")
    @APIResponse(responseCode = "204", description = "No Content")
    public void moveCredentialToFirst(final @Parameter(description = "The credential to move") @PathParam("credentialId") String credentialId){
        moveCredentialAfter(credentialId, null);
    }

    /**
     * Move a credential to a position behind another credential
     * @param credentialId The credential to move
     * @param newPreviousCredentialId The credential that will be the previous element in the list. If set to null, the moved credential will be the first element in the list.
     */
    @Path("credentials/{credentialId}/moveAfter/{newPreviousCredentialId}")
    @POST
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation( summary = "Move a credential to a position behind another credential")
    @APIResponse(responseCode = "204", description = "No Content")
    public void moveCredentialAfter(final @Parameter(description = "The credential to move") @PathParam("credentialId") String credentialId,
                                    final @Parameter(description = "The credential that will be the previous element in the list. If set to null, the moved credential will be the first element in the list.") @PathParam("newPreviousCredentialId") String newPreviousCredentialId){
        auth.users().requireManage(user);
        CredentialModel credential = user.credentialManager().getStoredCredentialById(credentialId);
        if (credential == null) {
            // we do this to make sure somebody can't phish ids
            if (auth.users().canQuery()) throw new NotFoundException("Credential not found");
            else throw new ForbiddenException();
        }
        user.credentialManager().moveStoredCredentialTo(credentialId, newPreviousCredentialId);
    }

    /**
     * Send an email to the user with a link they can click to reset their password.
     * The redirectUri and clientId parameters are optional. The default for the
     * redirect is the account client.
     *
     * This endpoint has been deprecated.  Please use the execute-actions-email passing a list with
     * UPDATE_PASSWORD within it.
     *
     * @param redirectUri redirect uri
     * @param clientId client id
     * @return
     */
    @Deprecated
    @Path("reset-password-email")
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation(
            summary = "Send an email to the user with a link they can click to reset their password.",
            description = "The redirectUri and clientId parameters are optional. The default for the redirect is the account client. This endpoint has been deprecated.  Please use the execute-actions-email passing a list with UPDATE_PASSWORD within it.",
            deprecated = true)
    public Response resetPasswordEmail(@Parameter(description = "redirect uri") @QueryParam(OIDCLoginProtocol.REDIRECT_URI_PARAM) String redirectUri,
                                       @Parameter(description = "client id") @QueryParam(OIDCLoginProtocol.CLIENT_ID_PARAM) String clientId) {
        List<String> actions = new LinkedList<>();
        actions.add(UserModel.RequiredAction.UPDATE_PASSWORD.name());
        return executeActionsEmail(redirectUri, clientId, null, actions);
    }


    /**
     * Send an email to the user with a link they can click to execute particular actions.
     *
     * An email contains a link the user can click to perform a set of required actions.
     * The redirectUri and clientId parameters are optional. If no redirect is given, then there will
     * be no link back to click after actions have completed.  Redirect uri must be a valid uri for the
     * particular clientId.
     *
     * @param redirectUri Redirect uri
     * @param clientId Client id
     * @param lifespan Number of seconds after which the generated token expires
     * @param actions Required actions the user needs to complete
     * @return
     */
    @Path("execute-actions-email")
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation(
            summary = "Send an email to the user with a link they can click to execute particular actions.",
            description = "An email contains a link the user can click to perform a set of required actions. The redirectUri and clientId parameters are optional. If no redirect is given, then there will be no link back to click after actions have completed. Redirect uri must be a valid uri for the particular clientId."
    )
    public Response executeActionsEmail(@Parameter(description = "Redirect uri") @QueryParam(OIDCLoginProtocol.REDIRECT_URI_PARAM) String redirectUri,
                                        @Parameter(description = "Client id") @QueryParam(OIDCLoginProtocol.CLIENT_ID_PARAM) String clientId,
                                        @Parameter(description = "Number of seconds after which the generated token expires") @QueryParam("lifespan") Integer lifespan,
                                        @Parameter(description = "Required actions the user needs to complete") List<String> actions) {
        auth.users().requireManage(user);

        SendEmailParams result = verifySendEmailParams(redirectUri, clientId, lifespan);

        if (CollectionUtil.isNotEmpty(actions) && !RequiredActionsValidator.validRequiredActions(session, actions)) {
            throw ErrorResponse.error("Provided invalid required actions", Status.BAD_REQUEST);
        }

        int expiration = Time.currentTime() + result.lifespan;
        ExecuteActionsActionToken token = new ExecuteActionsActionToken(user.getId(), user.getEmail(), expiration, actions, result.redirectUri, result.clientId);

        try {
            UriBuilder builder = LoginActionsService.actionTokenProcessor(session.getContext().getUri());
            builder.queryParam("key", token.serialize(session, realm, session.getContext().getUri()));

            String link = builder.build(realm.getName()).toString();

            this.session.getProvider(EmailTemplateProvider.class)
              .setAttribute(Constants.TEMPLATE_ATTR_REQUIRED_ACTIONS, token.getRequiredActions())
              .setRealm(realm)
              .setUser(user)
              .sendExecuteActions(link, TimeUnit.SECONDS.toMinutes(result.lifespan));

            //audit.user(user).detail(Details.EMAIL, user.getEmail()).detail(Details.CODE_ID, accessCode.getCodeId()).success();

            adminEvent.operation(OperationType.ACTION).resourcePath(session.getContext().getUri()).success();

            return Response.noContent().build();
        } catch (EmailException e) {
            ServicesLogger.LOGGER.failedToSendActionsEmail(e);
            throw ErrorResponse.error("Failed to send execute actions email", Status.INTERNAL_SERVER_ERROR);
        }
    }

    /**
     * Send an email-verification email to the user
     *
     * An email contains a link the user can click to verify their email address.
     * The redirectUri and clientId parameters are optional. The default for the
     * redirect is the account client.
     *
     * @param redirectUri Redirect uri
     * @param clientId Client id
     * @param lifespan Number of seconds after which the generated token expires
     * @return
     */
    @Path("send-verify-email")
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation(
            summary = "Send an email-verification email to the user An email contains a link the user can click to verify their email address.",
            description = "The redirectUri, clientId and lifespan parameters are optional. The default for the redirect is the account client. The default for the lifespan is 12 hours"
    )
    public Response sendVerifyEmail(
            @Parameter(description = "Redirect uri") @QueryParam(OIDCLoginProtocol.REDIRECT_URI_PARAM) String redirectUri,
            @Parameter(description = "Client id") @QueryParam(OIDCLoginProtocol.CLIENT_ID_PARAM) String clientId,
            @Parameter(description = "Number of seconds after which the generated token expires") @QueryParam("lifespan") Integer lifespan) {
        auth.users().requireManage(user);

        SendEmailParams result = verifySendEmailParams(redirectUri, clientId, lifespan);

        int expiration = Time.currentTime() + result.lifespan;
        VerifyEmailActionToken token = new VerifyEmailActionToken(user.getId(), expiration, null, user.getEmail(), result.clientId);
        token.setRedirectUri(result.redirectUri);

        String link = LoginActionsService.actionTokenProcessor(session.getContext().getUri())
                .queryParam("key", token.serialize(session, realm, session.getContext().getUri()))
                .build(realm.getName()).toString();

        try {
            session
                    .getProvider(EmailTemplateProvider.class)
                    .setRealm(realm)
                    .setUser(user)
                    .sendVerifyEmail(link, TimeUnit.SECONDS.toMinutes(result.lifespan));
        } catch (EmailException e) {
            ServicesLogger.LOGGER.failedToSendEmail(e);
            throw ErrorResponse.error("Failed to send verify email", Status.INTERNAL_SERVER_ERROR);
        }

        adminEvent.operation(OperationType.ACTION).resourcePath(session.getContext().getUri()).success();

        return Response.noContent().build();
    }

    @GET
    @Path("groups")
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation()
    public Stream<GroupRepresentation> groupMembership(@QueryParam("search") String search,
                                                       @QueryParam("first") Integer firstResult,
                                                       @QueryParam("max") Integer maxResults,
                                                       @QueryParam("briefRepresentation") @DefaultValue("true") boolean briefRepresentation) {
        auth.users().requireView(user);
        return user.getGroupsStream(search, firstResult, maxResults).map(g -> ModelToRepresentation.toRepresentation(g, !briefRepresentation));
    }

    @GET
    @NoCache
    @Path("groups/count")
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation()
    public Map<String, Long> getGroupMembershipCount(@QueryParam("search") String search) {
        auth.users().requireView(user);
        Long results;

        if (Objects.nonNull(search)) {
            results = user.getGroupsCountByNameContaining(search);
        } else {
            results = user.getGroupsCount();
        }
        Map<String, Long> map = new HashMap<>();
        map.put("count", results);
        return map;
    }

    @DELETE
    @Path("groups/{groupId}")
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation()
    public void removeMembership(@PathParam("groupId") String groupId) {
        auth.users().requireManageGroupMembership(user);

        GroupModel group = session.groups().getGroupById(realm, groupId);
        if (group == null) {
            throw new NotFoundException("Group not found");
        }
        auth.groups().requireManageMembership(group);

        try {
            if (user.isMemberOf(group)){
                user.leaveGroup(group);
                adminEvent.operation(OperationType.DELETE).resource(ResourceType.GROUP_MEMBERSHIP).representation(ModelToRepresentation.toRepresentation(group, true)).resourcePath(session.getContext().getUri()).success();
            }
        } catch (ModelException me) {
            Properties messages = AdminRoot.getMessages(session, realm, auth.adminAuth().getToken().getLocale());
            throw new ErrorResponseException(me.getMessage(), MessageFormat.format(messages.getProperty(me.getMessage(), me.getMessage()), me.getParameters()),
                    Status.BAD_REQUEST);
        }
    }

    @PUT
    @Path("groups/{groupId}")
    @NoCache
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation()
    public void joinGroup(@PathParam("groupId") String groupId) {
        auth.users().requireManageGroupMembership(user);
        GroupModel group = session.groups().getGroupById(realm, groupId);
        if (group == null) {
            throw new NotFoundException("Group not found");
        }
        auth.groups().requireManageMembership(group);
        if (!RoleUtils.isDirectMember(user.getGroupsStream(),group)){
            user.joinGroup(group);
            adminEvent.operation(OperationType.CREATE).resource(ResourceType.GROUP_MEMBERSHIP).representation(ModelToRepresentation.toRepresentation(group, true)).resourcePath(session.getContext().getUri()).success();
        }
    }

    @GET
    @Path("unmanagedAttributes")
    @NoCache
    @Produces(MediaType.APPLICATION_JSON)
    @Tag(name = KeycloakOpenAPI.Admin.Tags.USERS)
    @Operation()
    public Map<String, List<String>> getUnmanagedAttributes() {
        auth.users().requireView(user);
        UserProfileProvider provider = session.getProvider(UserProfileProvider.class);

        UserProfile profile = provider.create(USER_API, user);
        Map<String, List<String>> managedAttributes = profile.getAttributes().getReadable();
        Map<String, List<String>> unmanagedAttributes = profile.getAttributes().getUnmanagedAttributes();
        managedAttributes.entrySet().removeAll(unmanagedAttributes.entrySet());
        Map<String, List<String>> attributes = new HashMap<>(user.getAttributes());
        attributes.entrySet().removeAll(managedAttributes.entrySet());

        attributes.remove(UserModel.USERNAME);
        attributes.remove(UserModel.EMAIL);

        return attributes.entrySet().stream()
                .filter(entry -> ofNullable(entry.getValue()).orElse(emptyList()).stream().anyMatch(StringUtil::isNotBlank))
                .collect(Collectors.toMap(Entry::getKey, Entry::getValue));
    }

    /**
     * Converts the specified {@link UserSessionModel} into a {@link UserSessionRepresentation}.
     *
     * @param userSession the model to be converted.
     * @param clientUuid the client's UUID.
     * @return a reference to the constructed representation or {@code null} if the session is not associated with the specified
     * client.
     */
    private UserSessionRepresentation toUserSessionRepresentation(final UserSessionModel userSession, final String clientUuid) {
        UserSessionRepresentation rep = ModelToRepresentation.toRepresentation(userSession);
        // Update lastSessionRefresh with the timestamp from clientSession
        AuthenticatedClientSessionModel clientSession = userSession.getAuthenticatedClientSessionByClient(clientUuid);
        if (clientSession == null) {
            return null;
        }
        rep.setLastAccess(Time.toMillis(clientSession.getTimestamp()));
        return rep;
    }

    private SendEmailParams verifySendEmailParams(String redirectUri, String clientId, Integer lifespan) {
        if (user.getEmail() == null) {
            throw ErrorResponse.error("User email missing", Status.BAD_REQUEST);
        }

        if (!user.isEnabled()) {
            throw ErrorResponse.error("User is disabled", Status.BAD_REQUEST);
        }

        if (redirectUri != null && clientId == null) {
            throw ErrorResponse.error("Client id missing", Status.BAD_REQUEST);
        }

        if (clientId == null) {
            clientId = Constants.ACCOUNT_MANAGEMENT_CLIENT_ID;
        }

        ClientModel client = realm.getClientByClientId(clientId);
        if (client == null) {
            logger.debugf("Client %s doesn't exist", clientId);
            throw ErrorResponse.error("Client doesn't exist", Status.BAD_REQUEST);
        }
        if (!client.isEnabled()) {
            logger.debugf("Client %s is not enabled", clientId);
            throw ErrorResponse.error("Client is not enabled", Status.BAD_REQUEST);
        }

        if (redirectUri != null) {
            redirectUri = RedirectUtils.verifyRedirectUri(session, redirectUri, client);
            if (redirectUri == null) {
                throw ErrorResponse.error("Invalid redirect uri.", Status.BAD_REQUEST);
            }
        }

        if (lifespan == null) {
            lifespan = realm.getActionTokenGeneratedByAdminLifespan();
        }

        return new SendEmailParams(redirectUri, clientId, lifespan);
    }

    private static class SendEmailParams {
        final String redirectUri;
        final String clientId;
        final int lifespan;

        public SendEmailParams(String redirectUri, String clientId, Integer lifespan) {
            this.redirectUri = redirectUri;
            this.clientId = clientId;
            this.lifespan = lifespan;
        }
    }
}
