/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.syncope.core.workflow.user.activiti;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.AbstractMap.SimpleEntry;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.annotation.Resource;
import org.activiti.bpmn.converter.BpmnXMLConverter;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.editor.language.json.converter.BpmnJsonConverter;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.FormService;
import org.activiti.engine.HistoryService;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.form.FormProperty;
import org.activiti.engine.form.FormType;
import org.activiti.engine.form.TaskFormData;
import org.activiti.engine.history.HistoricActivityInstance;
import org.activiti.engine.history.HistoricDetail;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.impl.persistence.entity.HistoricFormPropertyEntity;
import org.activiti.engine.query.Query;
import org.activiti.engine.repository.Model;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.syncope.common.mod.UserMod;
import org.apache.syncope.common.to.UserTO;
import org.apache.syncope.common.to.WorkflowFormPropertyTO;
import org.apache.syncope.common.to.WorkflowFormTO;
import org.apache.syncope.common.types.ResourceOperation;
import org.apache.syncope.common.types.WorkflowFormPropertyType;
import org.apache.syncope.common.util.BeanUtils;
import org.apache.syncope.common.SyncopeClientException;
import org.apache.syncope.core.persistence.beans.user.SyncopeUser;
import org.apache.syncope.core.persistence.dao.NotFoundException;
import org.apache.syncope.core.persistence.validation.attrvalue.ParsingValidationException;
import org.apache.syncope.core.propagation.PropagationByResource;
import org.apache.syncope.core.rest.controller.UnauthorizedRoleException;
import org.apache.syncope.core.util.EntitlementUtil;
import org.apache.syncope.core.workflow.WorkflowDefinitionFormat;
import org.apache.syncope.core.workflow.WorkflowException;
import org.apache.syncope.core.workflow.WorkflowInstanceLoader;
import org.apache.syncope.core.workflow.WorkflowResult;
import org.apache.syncope.core.workflow.user.AbstractUserWorkflowAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
/**
* Activiti (http://www.activiti.org/) based implementation.
*/
public class ActivitiUserWorkflowAdapter extends AbstractUserWorkflowAdapter {
/**
* Logger.
*/
private static final Logger LOG = LoggerFactory.getLogger(ActivitiUserWorkflowAdapter.class);
private static final String[] PROPERTY_IGNORE_PROPS = { "type" };
public static final String WF_PROCESS_ID = "userWorkflow";
public static final String WF_PROCESS_RESOURCE = "userWorkflow.bpmn20.xml";
public static final String WF_DGRM_RESOURCE = "userWorkflow.userWorkflow.png";
public static final String SYNCOPE_USER = "syncopeUser";
public static final String WF_EXECUTOR = "wfExecutor";
public static final String USER_TO = "userTO";
public static final String ENABLED = "enabled";
public static final String USER_MOD = "userMod";
public static final String EMAIL_KIND = "emailKind";
public static final String TASK = "task";
public static final String TOKEN = "token";
public static final String PROP_BY_RESOURCE = "propByResource";
public static final String PROPAGATE_ENABLE = "propagateEnable";
public static final String ENCRYPTED_PWD = "encryptedPwd";
public static final String TASK_IS_FORM = "taskIsForm";
public static final String MODEL_DATA_JSON_MODEL = "model";
public static final String STORE_PASSWORD = "storePassword";
@Resource(name = "adminUser")
private String adminUser;
@Autowired
private RuntimeService runtimeService;
@Autowired
private TaskService taskService;
@Autowired
private FormService formService;
@Autowired
private HistoryService historyService;
@Autowired
private RepositoryService repositoryService;
@Autowired
private ActivitiImportUtils importUtils;
@Override
public Class<? extends WorkflowInstanceLoader> getLoaderClass() {
return ActivitiWorkflowLoader.class;
}
private void throwException(final ActivitiException e, final String defaultMessage) {
if (e.getCause() != null) {
if (e.getCause().getCause() instanceof SyncopeClientException) {
throw (SyncopeClientException) e.getCause().getCause();
} else if (e.getCause().getCause() instanceof ParsingValidationException) {
throw (ParsingValidationException) e.getCause().getCause();
}
}
throw new WorkflowException(defaultMessage, e);
}
private void updateStatus(final SyncopeUser user) {
List<Task> tasks = taskService.createTaskQuery().processInstanceId(user.getWorkflowId()).list();
if (tasks.isEmpty() || tasks.size() > 1) {
LOG.warn("While setting user status: unexpected task number ({})", tasks.size());
} else {
user.setStatus(tasks.get(0).getTaskDefinitionKey());
}
}
private String getFormTask(final SyncopeUser user) {
String result = null;
List<Task> tasks = taskService.createTaskQuery().processInstanceId(user.getWorkflowId()).list();
if (tasks.isEmpty() || tasks.size() > 1) {
LOG.warn("While checking if form task: unexpected task number ({})", tasks.size());
} else {
try {
TaskFormData formData = formService.getTaskFormData(tasks.get(0).getId());
if (formData != null && !formData.getFormProperties().isEmpty()) {
result = tasks.get(0).getId();
}
} catch (ActivitiException e) {
LOG.warn("Could not get task form data", e);
}
}
return result;
}
private Set<String> getPerformedTasks(final SyncopeUser user) {
final Set<String> result = new HashSet<String>();
for (HistoricActivityInstance task : historyService.createHistoricActivityInstanceQuery().executionId(user.
getWorkflowId()).list()) {
result.add(task.getActivityId());
}
return result;
}
/**
* Saves resources to be propagated and password for later - after form submission - propagation.
*/
private void saveForFormSubmit(final SyncopeUser user, final String password,
final PropagationByResource propByRes) {
String formTaskId = getFormTask(user);
if (formTaskId != null) {
// SYNCOPE-238: This is needed to simplify the task query in this.getForms()
taskService.setVariableLocal(formTaskId, TASK_IS_FORM, Boolean.TRUE);
runtimeService.setVariable(user.getWorkflowId(), PROP_BY_RESOURCE, propByRes);
if (propByRes != null) {
propByRes.clear();
}
if (StringUtils.isNotBlank(password)) {
runtimeService.setVariable(user.getWorkflowId(), ENCRYPTED_PWD, encrypt(password));
}
}
}
@Override
public WorkflowResult<Map.Entry<Long, Boolean>> create(final UserTO userTO, final boolean disablePwdPolicyCheck,
final boolean storePassword) throws WorkflowException {
return create(userTO, disablePwdPolicyCheck, null, storePassword);
}
@Override
public WorkflowResult<Map.Entry<Long, Boolean>> create(final UserTO userTO, final boolean disablePwdPolicyCheck,
final Boolean enabled, final boolean storePassword) throws WorkflowException {
final Map<String, Object> variables = new HashMap<String, Object>();
variables.put(WF_EXECUTOR, EntitlementUtil.getAuthenticatedUsername());
variables.put(USER_TO, userTO);
variables.put(ENABLED, enabled);
variables.put(STORE_PASSWORD, storePassword);
ProcessInstance processInstance = null;
try {
processInstance = runtimeService.startProcessInstanceByKey(WF_PROCESS_ID, variables);
} catch (ActivitiException e) {
throwException(e, "While starting " + WF_PROCESS_ID + " instance");
}
SyncopeUser user = (SyncopeUser) runtimeService.getVariable(
processInstance.getProcessInstanceId(), SYNCOPE_USER);
Boolean updatedEnabled = (Boolean) runtimeService.getVariable(
processInstance.getProcessInstanceId(), ENABLED);
if (updatedEnabled != null) {
user.setSuspended(!updatedEnabled);
}
// this will make SyncopeUserValidator not to consider password policies at all
if (disablePwdPolicyCheck) {
user.removeClearPassword();
}
updateStatus(user);
user = userDAO.save(user);
Boolean propagateEnable = (Boolean) runtimeService.getVariable(
processInstance.getProcessInstanceId(), PROPAGATE_ENABLE);
if (propagateEnable == null) {
propagateEnable = enabled;
}
PropagationByResource propByRes = new PropagationByResource();
propByRes.set(ResourceOperation.CREATE, user.getResourceNames());
saveForFormSubmit(user, userTO.getPassword(), propByRes);
return new WorkflowResult<Map.Entry<Long, Boolean>>(
new SimpleEntry<Long, Boolean>(user.getId(), propagateEnable), propByRes, getPerformedTasks(user));
}
private Set<String> doExecuteTask(final SyncopeUser user, final String task,
final Map<String, Object> moreVariables) throws WorkflowException {
Set<String> preTasks = getPerformedTasks(user);
final Map<String, Object> variables = new HashMap<String, Object>();
variables.put(WF_EXECUTOR, EntitlementUtil.getAuthenticatedUsername());
variables.put(TASK, task);
// using BeanUtils to access all user's properties and trigger lazy loading - we are about to
// serialize a SyncopeUser instance for availability within workflow tasks, and this breaks transactions
BeanUtils.copyProperties(user, new SyncopeUser());
variables.put(SYNCOPE_USER, user);
if (moreVariables != null && !moreVariables.isEmpty()) {
variables.putAll(moreVariables);
}
if (StringUtils.isBlank(user.getWorkflowId())) {
throw new WorkflowException(new NotFoundException("Empty workflow id for " + user));
}
List<Task> tasks = taskService.createTaskQuery().processInstanceId(user.getWorkflowId()).list();
if (tasks.size() == 1) {
try {
taskService.complete(tasks.get(0).getId(), variables);
} catch (ActivitiException e) {
throwException(e, "While completing task '" + tasks.get(0).getName() + "' for " + user);
}
} else {
LOG.warn("Expected a single task, found {}", tasks.size());
}
Set<String> postTasks = getPerformedTasks(user);
postTasks.removeAll(preTasks);
postTasks.add(task);
return postTasks;
}
@Override
protected WorkflowResult<Long> doActivate(final SyncopeUser user, final String token)
throws WorkflowException {
Set<String> tasks = doExecuteTask(user, "activate", Collections.singletonMap(TOKEN, (Object) token));
updateStatus(user);
SyncopeUser updated = userDAO.save(user);
return new WorkflowResult<Long>(updated.getId(), null, tasks);
}
@Override
protected WorkflowResult<Map.Entry<UserMod, Boolean>> doUpdate(final SyncopeUser user, final UserMod userMod)
throws WorkflowException {
Set<String> tasks = doExecuteTask(user, "update", Collections.singletonMap(USER_MOD, (Object) userMod));
updateStatus(user);
SyncopeUser updated = userDAO.save(user);
PropagationByResource propByRes = (PropagationByResource) runtimeService.getVariable(
user.getWorkflowId(), PROP_BY_RESOURCE);
saveForFormSubmit(updated, userMod.getPassword(), propByRes);
Boolean propagateEnable = (Boolean) runtimeService.getVariable(user.getWorkflowId(), PROPAGATE_ENABLE);
return new WorkflowResult<Map.Entry<UserMod, Boolean>>(
new SimpleEntry<UserMod, Boolean>(userMod, propagateEnable), propByRes, tasks);
}
@Override
@Transactional(rollbackFor = { Throwable.class })
protected WorkflowResult<Long> doSuspend(final SyncopeUser user)
throws WorkflowException {
Set<String> performedTasks = doExecuteTask(user, "suspend", null);
updateStatus(user);
SyncopeUser updated = userDAO.save(user);
return new WorkflowResult<Long>(updated.getId(), null, performedTasks);
}
@Override
protected WorkflowResult<Long> doReactivate(final SyncopeUser user)
throws WorkflowException {
Set<String> performedTasks = doExecuteTask(user, "reactivate", null);
updateStatus(user);
SyncopeUser updated = userDAO.save(user);
return new WorkflowResult<Long>(updated.getId(), null, performedTasks);
}
@Override
protected void doDelete(final SyncopeUser user)
throws WorkflowException {
doExecuteTask(user, "delete", null);
PropagationByResource propByRes = new PropagationByResource();
propByRes.set(ResourceOperation.DELETE, user.getResourceNames());
saveForFormSubmit(user, null, propByRes);
if (runtimeService.createProcessInstanceQuery().
processInstanceId(user.getWorkflowId()).active().list().isEmpty()) {
userDAO.delete(user.getId());
if (!historyService.createHistoricProcessInstanceQuery().
processInstanceId(user.getWorkflowId()).list().isEmpty()) {
historyService.deleteHistoricProcessInstance(user.getWorkflowId());
}
} else {
updateStatus(user);
userDAO.save(user);
}
}
@Override
public WorkflowResult<Long> execute(final UserTO userTO, final String taskId)
throws UnauthorizedRoleException, WorkflowException {
SyncopeUser user = dataBinder.getUserFromId(userTO.getId());
final Map<String, Object> variables = new HashMap<String, Object>();
variables.put(USER_TO, userTO);
Set<String> performedTasks = doExecuteTask(user, taskId, variables);
updateStatus(user);
SyncopeUser updated = userDAO.save(user);
return new WorkflowResult<Long>(updated.getId(), null, performedTasks);
}
protected ProcessDefinition getProcessDefinition() {
try {
return repositoryService.createProcessDefinitionQuery().processDefinitionKey(
ActivitiUserWorkflowAdapter.WF_PROCESS_ID).latestVersion().singleResult();
} catch (ActivitiException e) {
throw new WorkflowException("While accessing process " + ActivitiUserWorkflowAdapter.WF_PROCESS_ID, e);
}
}
protected Model getModel(final ProcessDefinition procDef) {
try {
Model model = repositoryService.createModelQuery().deploymentId(procDef.getDeploymentId()).singleResult();
if (model == null) {
throw new NotFoundException("Could not find Model for deployment " + procDef.getDeploymentId());
}
return model;
} catch (Exception e) {
throw new WorkflowException("While accessing process " + ActivitiUserWorkflowAdapter.WF_PROCESS_ID, e);
}
}
protected void exportProcessResource(final String resourceName, final OutputStream os) {
ProcessDefinition procDef = getProcessDefinition();
InputStream procDefIS = repositoryService.getResourceAsStream(procDef.getDeploymentId(), resourceName);
try {
IOUtils.copy(procDefIS, os);
} catch (IOException e) {
LOG.error("While exporting workflow definition {}", procDef.getKey(), e);
} finally {
IOUtils.closeQuietly(procDefIS);
}
}
protected void exportProcessModel(final OutputStream os) {
Model model = getModel(getProcessDefinition());
ObjectMapper objectMapper = new ObjectMapper();
try {
ObjectNode modelNode = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
modelNode.put(ModelDataJsonConstants.MODEL_ID, model.getId());
modelNode.replace(MODEL_DATA_JSON_MODEL,
objectMapper.readTree(repositoryService.getModelEditorSource(model.getId())));
os.write(modelNode.toString().getBytes());
} catch (IOException e) {
LOG.error("While exporting workflow definition {}", model.getKey(), e);
}
}
@Override
public void exportDefinition(final WorkflowDefinitionFormat format, final OutputStream os)
throws WorkflowException {
switch (format) {
case JSON:
exportProcessModel(os);
break;
case XML:
default:
exportProcessResource(WF_PROCESS_RESOURCE, os);
}
}
@Override
public void exportDiagram(final OutputStream os) throws WorkflowException {
exportProcessResource(WF_DGRM_RESOURCE, os);
}
@Override
public void importDefinition(final WorkflowDefinitionFormat format, final String definition)
throws WorkflowException {
Model model = getModel(getProcessDefinition());
switch (format) {
case JSON:
JsonNode definitionNode;
try {
definitionNode = new ObjectMapper().readTree(definition);
if (definitionNode.has(MODEL_DATA_JSON_MODEL)) {
definitionNode = definitionNode.get(MODEL_DATA_JSON_MODEL);
}
if (!definitionNode.has(BpmnJsonConverter.EDITOR_CHILD_SHAPES)) {
throw new IllegalArgumentException(
"Could not find JSON node " + BpmnJsonConverter.EDITOR_CHILD_SHAPES);
}
BpmnModel bpmnModel = new BpmnJsonConverter().convertToBpmnModel(definitionNode);
importUtils.fromXML(new BpmnXMLConverter().convertToXML(bpmnModel));
} catch (Exception e) {
throw new WorkflowException("While updating process "
+ ActivitiUserWorkflowAdapter.WF_PROCESS_RESOURCE, e);
}
importUtils.fromJSON(definitionNode.toString().getBytes(), getProcessDefinition(), model);
break;
case XML:
default:
importUtils.fromXML(definition.getBytes());
importUtils.fromJSON(getProcessDefinition(), model);
}
}
private WorkflowFormPropertyType fromActivitiFormType(final FormType activitiFormType) {
WorkflowFormPropertyType result = WorkflowFormPropertyType.String;
if ("string".equals(activitiFormType.getName())) {
result = WorkflowFormPropertyType.String;
}
if ("long".equals(activitiFormType.getName())) {
result = WorkflowFormPropertyType.Long;
}
if ("enum".equals(activitiFormType.getName())) {
result = WorkflowFormPropertyType.Enum;
}
if ("date".equals(activitiFormType.getName())) {
result = WorkflowFormPropertyType.Date;
}
if ("boolean".equals(activitiFormType.getName())) {
result = WorkflowFormPropertyType.Boolean;
}
return result;
}
private WorkflowFormTO getFormTO(final Task task) {
return getFormTO(task, formService.getTaskFormData(task.getId()));
}
private WorkflowFormTO getFormTO(final Task task, final TaskFormData fd) {
final WorkflowFormTO formTO =
getFormTO(task.getProcessInstanceId(), task.getId(), fd.getFormKey(), fd.getFormProperties());
BeanUtils.copyProperties(task, formTO);
return formTO;
}
private WorkflowFormTO getFormTO(final HistoricTaskInstance task) {
final List<HistoricFormPropertyEntity> props = new ArrayList<HistoricFormPropertyEntity>();
for (HistoricDetail historicDetail : historyService.createHistoricDetailQuery().taskId(task.getId()).list()) {
if (historicDetail instanceof HistoricFormPropertyEntity) {
props.add((HistoricFormPropertyEntity) historicDetail);
}
}
final WorkflowFormTO formTO = getHistoricFormTO(
task.getProcessInstanceId(), task.getId(), task.getFormKey(), props);
BeanUtils.copyProperties(task, formTO);
final HistoricActivityInstance historicActivityInstance = historyService.createHistoricActivityInstanceQuery().
executionId(task.getExecutionId()).activityType("userTask").activityName(task.getName()).singleResult();
if (historicActivityInstance != null) {
formTO.setCreateTime(historicActivityInstance.getStartTime());
formTO.setDueDate(historicActivityInstance.getEndTime());
}
return formTO;
}
private WorkflowFormTO getHistoricFormTO(
final String processInstanceId,
final String taskId,
final String formKey,
final List<HistoricFormPropertyEntity> props) {
WorkflowFormTO formTO = new WorkflowFormTO();
SyncopeUser user = userDAO.findByWorkflowId(processInstanceId);
if (user == null) {
throw new NotFoundException("User with workflow id " + processInstanceId);
}
formTO.setUserId(user.getId());
formTO.setTaskId(taskId);
formTO.setKey(formKey);
for (HistoricFormPropertyEntity prop : props) {
WorkflowFormPropertyTO propertyTO = new WorkflowFormPropertyTO();
propertyTO.setId(prop.getPropertyId());
propertyTO.setName(prop.getPropertyId());
propertyTO.setValue(prop.getPropertyValue());
formTO.addProperty(propertyTO);
}
return formTO;
}
@SuppressWarnings("unchecked")
private WorkflowFormTO getFormTO(
final String processInstanceId,
final String taskId,
final String formKey,
final List<FormProperty> properties) {
WorkflowFormTO formTO = new WorkflowFormTO();
SyncopeUser user = userDAO.findByWorkflowId(processInstanceId);
if (user == null) {
throw new NotFoundException("User with workflow id " + processInstanceId);
}
formTO.setUserId(user.getId());
formTO.setTaskId(taskId);
formTO.setKey(formKey);
for (FormProperty fProp : properties) {
WorkflowFormPropertyTO propertyTO = new WorkflowFormPropertyTO();
BeanUtils.copyProperties(fProp, propertyTO, PROPERTY_IGNORE_PROPS);
propertyTO.setType(fromActivitiFormType(fProp.getType()));
if (propertyTO.getType() == WorkflowFormPropertyType.Date) {
propertyTO.setDatePattern((String) fProp.getType().getInformation("datePattern"));
}
if (propertyTO.getType() == WorkflowFormPropertyType.Enum) {
propertyTO.getEnumValues().putAll((Map<String, String>) fProp.getType().getInformation("values"));
}
formTO.addProperty(propertyTO);
}
return formTO;
}
@Override
public List<WorkflowFormTO> getForms() {
return getForms(taskService.createTaskQuery().taskVariableValueEquals(TASK_IS_FORM, Boolean.TRUE));
}
@Override
public List<WorkflowFormTO> getForms(final String workflowId, final String name) {
final List<WorkflowFormTO> forms = getForms(
taskService.createTaskQuery().processInstanceId(workflowId).taskName(name).
taskVariableValueEquals(TASK_IS_FORM, Boolean.TRUE));
forms.addAll(getForms(historyService.createHistoricTaskInstanceQuery().taskName(name)
.taskVariableValueEquals(TASK_IS_FORM, Boolean.TRUE)));
return forms;
}
private <T extends Query<?, ?>, U extends Object> List<WorkflowFormTO> getForms(final Query<T, U> query) {
final List<WorkflowFormTO> forms = new ArrayList<WorkflowFormTO>();
for (U obj : query.list()) {
try {
if (obj instanceof HistoricTaskInstance) {
forms.add(getFormTO((HistoricTaskInstance) obj));
} else if (obj instanceof Task) {
forms.add(getFormTO((Task) obj));
} else {
throw new ActivitiException(
"Failure retrieving form", new IllegalArgumentException("Invalid task type"));
}
} catch (ActivitiException e) {
LOG.debug("No form found for task {}", obj, e);
}
}
return forms;
}
@Override
public WorkflowFormTO getForm(final String workflowId)
throws NotFoundException, WorkflowException {
Task task;
try {
task = taskService.createTaskQuery().processInstanceId(workflowId).singleResult();
} catch (ActivitiException e) {
throw new WorkflowException("While reading form for workflow instance " + workflowId, e);
}
TaskFormData formData;
try {
formData = formService.getTaskFormData(task.getId());
} catch (ActivitiException e) {
LOG.debug("No form found for task {}", task.getId(), e);
formData = null;
}
WorkflowFormTO result = null;
if (formData != null && !formData.getFormProperties().isEmpty()) {
result = getFormTO(task);
}
return result;
}
private Map.Entry<Task, TaskFormData> checkTask(final String taskId, final String username) {
Task task;
try {
task = taskService.createTaskQuery().taskId(taskId).singleResult();
} catch (ActivitiException e) {
throw new NotFoundException("Activiti Task " + taskId, e);
}
TaskFormData formData;
try {
formData = formService.getTaskFormData(task.getId());
} catch (ActivitiException e) {
throw new NotFoundException("Form for Activiti Task " + taskId, e);
}
if (!adminUser.equals(username)) {
SyncopeUser user = userDAO.find(username);
if (user == null) {
throw new NotFoundException("Syncope User " + username);
}
}
return new SimpleEntry<Task, TaskFormData>(task, formData);
}
@Override
public WorkflowFormTO claimForm(final String taskId, final String username)
throws WorkflowException {
Map.Entry<Task, TaskFormData> checked = checkTask(taskId, username);
if (!adminUser.equals(username)) {
List<Task> tasksForUser = taskService.createTaskQuery().taskId(taskId).taskCandidateUser(username).list();
if (tasksForUser.isEmpty()) {
throw new WorkflowException(
new IllegalArgumentException(username + " is not candidate for task " + taskId));
}
}
Task task;
try {
taskService.setOwner(taskId, username);
task = taskService.createTaskQuery().taskId(taskId).singleResult();
} catch (ActivitiException e) {
throw new WorkflowException("While reading task " + taskId, e);
}
return getFormTO(task, checked.getValue());
}
@Override
public WorkflowResult<UserMod> submitForm(final WorkflowFormTO form, final String username)
throws WorkflowException {
Map.Entry<Task, TaskFormData> checked = checkTask(form.getTaskId(), username);
if (!checked.getKey().getOwner().equals(username)) {
throw new WorkflowException(new IllegalArgumentException("Task " + form.getTaskId() + " assigned to "
+ checked.getKey().getOwner() + " but submited by " + username));
}
SyncopeUser user = userDAO.findByWorkflowId(checked.getKey().getProcessInstanceId());
if (user == null) {
throw new NotFoundException("User with workflow id " + checked.getKey().getProcessInstanceId());
}
Set<String> preTasks = getPerformedTasks(user);
try {
formService.submitTaskFormData(form.getTaskId(), form.getPropertiesForSubmit());
} catch (ActivitiException e) {
throwException(e, "While submitting form for task " + form.getTaskId());
}
Set<String> postTasks = getPerformedTasks(user);
postTasks.removeAll(preTasks);
postTasks.add(form.getTaskId());
updateStatus(user);
SyncopeUser updated = userDAO.save(user);
// see if there is any propagation to be done
PropagationByResource propByRes =
(PropagationByResource) runtimeService.getVariable(user.getWorkflowId(), PROP_BY_RESOURCE);
// fetch - if available - the encrypted password
String clearPassword = null;
String encryptedPwd = (String) runtimeService.getVariable(user.getWorkflowId(), ENCRYPTED_PWD);
if (StringUtils.isNotBlank(encryptedPwd)) {
clearPassword = decrypt(encryptedPwd);
}
UserMod userMod = (UserMod) runtimeService.getVariable(user.getWorkflowId(), USER_MOD);
if (userMod == null) {
userMod = new UserMod();
userMod.setId(updated.getId());
userMod.setPassword(clearPassword);
}
return new WorkflowResult<UserMod>(userMod, propByRes, postTasks);
}
}