Prevent duplicate and invalid titles

Kitodo/src/main/java/org/kitodo/config/enums/ParameterCore.java

@@ -367,7 +367,7 @@ public enum ParameterCore implements ParameterInterface {
     /**
      * Validation of process title via regular expression.
      */
-    VALIDATE_PROCESS_TITLE_REGEX(new Parameter<>("validateProzessTitelRegex", "[\\w-]*")),
+    VALIDATE_PROCESS_TITLE_REGEX(new Parameter<>("validateProzessTitelRegex", "^[\\w-]+$")),
 
     /**
      * Validation of the identifier via regular expression.

Kitodo/src/main/java/org/kitodo/production/forms/createprocess/CreateProcessForm.java

@@ -514,7 +514,7 @@ static boolean setChildCount(Process parent, RulesetManagementInterface ruleset,
     /**
      * Create process hierarchy.
      */
-    private void createProcessHierarchy()
+    public void createProcessHierarchy()
             throws DataException, ProcessGenerationException, IOException {
         // discard all processes in hierarchy except the first if parent process in
         // title record link tab is selected!
@@ -523,7 +523,7 @@ private void createProcessHierarchy()
                 && !this.titleRecordLinkTab.getSelectedInsertionPosition().isEmpty()) {
             this.processes = new LinkedList<>(Collections.singletonList(this.processes.get(0)));
         }
-        ProcessService.checkTasks(this.getMainProcess(), processDataTab.getDocType());
+        processTempProcess(this.processes.get(0));
         processAncestors();
         processChildren();
         // main process and it's ancestors need to be saved, so they have IDs before creating their process directories
@@ -612,21 +612,25 @@ private void processAncestors() throws ProcessGenerationException {
                 ProcessService.setParentRelations(processes.get(index + 1).getProcess(), process);
             }
             if (Objects.nonNull(tempProcess.getMetadataNodes())) {
-                try {
-                    tempProcess.getProcessMetadata().preserve();
-                    ImportService.processTempProcess(tempProcess, rulesetManagement, acquisitionStage, priorityList, null);
-                } catch (InvalidMetadataValueException | NoSuchMetadataFieldException e) {
-                    throw new ProcessGenerationException("Error creating process hierarchy: invalid metadata found!");
-                } catch (RulesetNotFoundException e) {
-                    throw new ProcessGenerationException(
-                            "Ruleset not found:" + tempProcess.getProcess().getRuleset().getTitle());
-                } catch (IOException e) {
-                    throw new ProcessGenerationException("Error reading Ruleset: " + tempProcess.getProcess().getRuleset().getTitle());
-                }
+                processTempProcess(tempProcess);
             }
         }
     }
 
+    private void processTempProcess(TempProcess tempProcess) throws ProcessGenerationException {
+        try {
+            tempProcess.getProcessMetadata().preserve();
+            ImportService.processTempProcess(tempProcess, rulesetManagement, acquisitionStage, priorityList, null);
+        } catch (InvalidMetadataValueException | NoSuchMetadataFieldException e) {
+            throw new ProcessGenerationException("Error creating process hierarchy: invalid metadata found!");
+        } catch (RulesetNotFoundException e) {
+            throw new ProcessGenerationException(
+                    "Ruleset not found:" + tempProcess.getProcess().getRuleset().getTitle());
+        } catch (IOException e) {
+            throw new ProcessGenerationException("Error reading Ruleset: " + tempProcess.getProcess().getRuleset().getTitle());
+        }
+    }
+
     private void saveProcessHierarchyMetadata() {
         // save ancestor processes meta.xml files
         for (TempProcess tempProcess : this.processes) {

Kitodo/src/main/java/org/kitodo/production/services/data/ProcessService.java

@@ -1782,7 +1782,8 @@ private List<PropertyDTO> filterForCorrectionSolutionMessages(List<PropertyDTO>
      * @return amount as Long
      */
     public Long findNumberOfProcessesWithTitle(String title) throws DataException {
-        return count(createSimpleQuery(ProcessTypeField.TITLE.getKey(), title, true, Operator.AND));
+        return countDocumentsAcrossProjects(createSimpleQuery(ProcessTypeField.TITLE.getKey(), title, true,
+                Operator.AND));
     }
 
     /**

Kitodo/src/main/java/org/kitodo/production/services/data/base/ProjectSearchService.java

@@ -106,4 +106,15 @@ public List<S> findByQueryInAllProjects(QueryBuilder query, boolean related) thr
     public Long countDocuments(QueryBuilder query) throws DataException {
         return super.countDocuments(queryForProjects(query));
     }
+
+    /**
+     * Execute a count query without filtering
+     * for projects of the current user.
+     * @param query
+     *            as QueryBuilder object
+     * @return amount of objects according to given query or 0 if query is null
+     */
+    public Long countDocumentsAcrossProjects(QueryBuilder query) throws DataException {
+        return super.countDocuments(query);
+    }
 }

Kitodo/src/main/resources/kitodo_config.properties

@@ -404,7 +404,7 @@ numberOfMetaBackups=8
 useMetadatenvalidierung=true
 
 # Validierung der Vorgangstitel ueber regulaeren Ausdruck
-validateProzessTitelRegex=[\\w-]*
+validateProzessTitelRegex=^[\\w-]+$
 
 # Validierung des Identifiers ueber regulaeren Ausdruck
 # Regular Expression for validating the identifier

Kitodo/src/test/java/org/kitodo/production/forms/copyprocess/CreateProcessFormIT.java

@@ -13,7 +13,9 @@
 
 import static org.awaitility.Awaitility.await;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.File;
@@ -23,6 +25,7 @@
 
 import org.apache.commons.lang3.SystemUtils;
 import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.kitodo.ExecutionPermission;
@@ -32,7 +35,9 @@
 import org.kitodo.config.ConfigCore;
 import org.kitodo.config.enums.ParameterCore;
 import org.kitodo.data.database.beans.Process;
+import org.kitodo.data.database.beans.Project;
 import org.kitodo.data.database.beans.User;
+import org.kitodo.exceptions.ProcessGenerationException;
 import org.kitodo.production.forms.createprocess.CreateProcessForm;
 import org.kitodo.production.helper.TempProcess;
 import org.kitodo.production.services.ServiceManager;
@@ -48,6 +53,7 @@ public class CreateProcessFormIT {
     private static final ProcessService processService = ServiceManager.getProcessService();
 
     private static final String firstProcess = "First process";
+    private Process createdProcess;
 
     /**
      * Is running before the class runs.
@@ -75,65 +81,138 @@ public static void cleanDatabase() throws Exception {
         MockDatabase.cleanDatabase();
     }
 
-    @Test
-    public void shouldCreateNewProcess() throws Exception {
-        CreateProcessForm underTest = new CreateProcessForm();
-        underTest.getProcessDataTab().setDocType("Monograph");
-        Process newProcess = new Process();
-        Workpiece newWorkPiece = new Workpiece();
-        TempProcess tempProcess = new TempProcess(newProcess, newWorkPiece);
-        underTest.setProcesses(new LinkedList<>(Collections.singletonList(tempProcess)));
-        underTest.getMainProcess().setProject(ServiceManager.getProjectService().getById(1));
-        underTest.getMainProcess().setRuleset(ServiceManager.getRulesetService().getById(1));
-        underTest.getMainProcess().setTitle("title");
+    @AfterEach
+    public void cleanUpAfterEach() throws Exception {
+        if (createdProcess != null && createdProcess.getId() != null) {
+            processService.remove(createdProcess.getId());
+            fileService.delete(URI.create(createdProcess.getId().toString()));
+        }
+        createdProcess = null;
+        setScriptPermissions(false);
+    }
+
+    // Helper to create and initialize a CreateProcessForm with common properties
+    private CreateProcessForm setupCreateProcessForm(String docType) throws Exception {
+        CreateProcessForm form = new CreateProcessForm();
+        form.getProcessDataTab().setDocType(docType);
 
+        Process process = new Process();
+        Workpiece workPiece = new Workpiece();
+        TempProcess tempProcess = new TempProcess(process, workPiece);
+        form.setProcesses(new LinkedList<>(Collections.singletonList(tempProcess)));
+
+        form.getMainProcess().setProject(ServiceManager.getProjectService().getById(1));
+        form.getMainProcess().setRuleset(ServiceManager.getRulesetService().getById(1));
+
+        form.updateRulesetAndDocType(tempProcess.getProcess().getRuleset());
+        return form;
+    }
+
+    // Helper to manage script permissions
+    private void setScriptPermissions(boolean enable) throws Exception {
         File script = new File(ConfigCore.getParameter(ParameterCore.SCRIPT_CREATE_DIR_META));
         if (!SystemUtils.IS_OS_WINDOWS) {
-            ExecutionPermission.setExecutePermission(script);
+            if (enable) {
+                ExecutionPermission.setExecutePermission(script);
+            } else {
+                ExecutionPermission.setNoExecutePermission(script);
+            }
         }
+    }
+
+    @Test
+    public void shouldCreateNewProcess() throws Exception {
+        CreateProcessForm underTest = setupCreateProcessForm("Monograph");
+        underTest.getMainProcess().setTitle("title");
+        setScriptPermissions(true);
         long before = processService.count();
         underTest.createNewProcess();
-        if (!SystemUtils.IS_OS_WINDOWS) {
-            ExecutionPermission.setNoExecutePermission(script);
-        }
+        setScriptPermissions(false);
+
         long after = processService.count();
         assertEquals(before + 1, after, "No process was created!");
 
-        // clean up database, index and file system
-        Integer processId = newProcess.getId();
-        processService.remove(processId);
-        fileService.delete(URI.create(processId.toString()));
+        createdProcess = underTest.getMainProcess();
     }
 
-    /**
-     * tests creation of processes without workflow.
-     */
     @Test
     public void shouldCreateNewProcessWithoutWorkflow() throws Exception {
-        CreateProcessForm underTest = new CreateProcessForm();
-        underTest.getProcessDataTab().setDocType("MultiVolumeWork");
-        Process newProcess = new Process();
-        Workpiece newWorkPiece = new Workpiece();
-        TempProcess tempProcess = new TempProcess(newProcess, newWorkPiece);
-        underTest.setProcesses(new LinkedList<>(Collections.singletonList(tempProcess)));
-        underTest.getMainProcess().setProject(ServiceManager.getProjectService().getById(1));
-        underTest.getMainProcess().setRuleset(ServiceManager.getRulesetService().getById(1));
+        CreateProcessForm underTest = setupCreateProcessForm("MultiVolumeWork");
         underTest.getMainProcess().setTitle("title");
-
-        File script = new File(ConfigCore.getParameter(ParameterCore.SCRIPT_CREATE_DIR_META));
-        ExecutionPermission.setExecutePermission(script);
+        setScriptPermissions(true);
         long before = processService.count();
         underTest.createNewProcess();
-        ExecutionPermission.setNoExecutePermission(script);
+        setScriptPermissions(false);
+
         long after = processService.count();
         assertEquals(before + 1, after, "No process was created!");
+        assertTrue(underTest.getMainProcess().getTasks().isEmpty(), "Process should not have tasks");
+        assertNull(underTest.getMainProcess().getSortHelperStatus(), "Process should not have sortHelperStatus");
 
-        assertTrue(newProcess.getTasks().isEmpty(), "Process should not have tasks");
-        assertNull(newProcess.getSortHelperStatus(), "process should not have sortHelperStatus");
+        createdProcess = underTest.getMainProcess();
+    }
+
+    @Test
+    public void shouldThrowExceptionForInvalidTitle() throws Exception {
+        // Attempt to create a process with an invalid title
+        CreateProcessForm underTest = setupCreateProcessForm("Monograph");
+        underTest.getMainProcess().setTitle("title with whitespaces");
+        long before = processService.count();
+        assertThrows(ProcessGenerationException.class, underTest::createProcessHierarchy,
+                "Expected a ProcessGenerationException to be thrown for an invalid title, but it was not.");
+        long after = processService.count();
+        // Ensure no process was created
+        assertEquals(before, after, "A process with an invalid title was created!");
+    }
 
-        // clean up database, index and file system
-        Integer processId = newProcess.getId();
-        processService.remove(processId);
-        fileService.delete(URI.create(processId.toString()));
+
+    @Test
+    public void shouldNotAllowDuplicateProcessTitles() throws Exception {
+        assertDuplicateTitleNotAllowed(1, false);
+    }
+
+    @Test
+    public void shouldNotAllowProcessTitlesInProjectsTheUserDoesNotBelongTo() throws Exception {
+        assertDuplicateTitleNotAllowed(2, true);
     }
+
+    private void assertDuplicateTitleNotAllowed(int projectId, boolean switchUserContext) throws Exception {
+        // First process creation
+        CreateProcessForm underTest = setupCreateProcessForm("Monograph");
+        underTest.getMainProcess().setTitle("title");
+        underTest.getMainProcess().setProject(ServiceManager.getProjectService().getById(projectId));
+
+        setScriptPermissions(true);
+        long before = processService.count();
+        underTest.createProcessHierarchy();
+        setScriptPermissions(false);
+
+        long after = processService.count();
+        assertEquals(before + 1, after, "First process creation failed. No process was created!");
+
+        // Switch user context to check with a user which does not has access to project 2
+        if (switchUserContext) {
+            User userTwo = ServiceManager.getUserService().getById(2);
+            SecurityTestUtils.addUserDataToSecurityContext(userTwo, 1);
+            // Assert that the user 2 is NOT associated with project 2
+            assertFalse(ServiceManager.getProjectService()
+                    .getById(projectId)
+                    .getUsers()
+                    .contains(userTwo), "User should not have access to projectOne");
+        }
+
+        // Second process creation with duplicate title
+        CreateProcessForm underTestTwo = setupCreateProcessForm("Monograph");
+        underTestTwo.getMainProcess().setTitle("title");
+        underTestTwo.getMainProcess().setProject(ServiceManager.getProjectService().getById(projectId));
+
+        long beforeDuplicate = processService.count();
+        assertThrows(ProcessGenerationException.class, underTestTwo::createProcessHierarchy,
+                "Expected a ProcessGenerationException to be thrown for duplicate title, but it was not.");
+        long afterDuplicate = processService.count();
+        assertEquals(beforeDuplicate, afterDuplicate, "A duplicate process with the same title was created!");
+
+        createdProcess = underTest.getMainProcess();
+    }
+
 }