From 6240cdca43495122d436de8488395bf7fd5eae12 Mon Sep 17 00:00:00 2001
From: ulrich <not disclosed>
Date: Tue, 27 Dec 2016 16:39:26 +0000
Subject: [PATCH] Tomcat-spezifischen Digester in eine Schnittstelle ausgelagert und per Deployment Descriptor konfigurierbar eingebunden

---
 src/java/de/uhilger/um/api/UserMgr.java |   71 ++++++++++++++++++++---------------
 1 files changed, 41 insertions(+), 30 deletions(-)

diff --git a/src/java/de/uhilger/um/api/UserMgr.java b/src/java/de/uhilger/um/api/UserMgr.java
index 0c2dd04..dc2c169 100644
--- a/src/java/de/uhilger/um/api/UserMgr.java
+++ b/src/java/de/uhilger/um/api/UserMgr.java
@@ -1,22 +1,47 @@
+/*
+ Nutzerverwaltung - A Generic User Manager
+ Copyright (c) 2016  Ulrich Hilger
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package de.uhilger.um.api;
 
 import de.uhilger.baselink.GenericRecord;
+import de.uhilger.baselink.PersistenceManager;
 import de.uhilger.baselink.Record;
 import de.uhilger.um.App;
+import de.uhilger.um.Digester;
 import de.uhilger.um.daten.User;
 import de.uhilger.um.daten.UserRole;
+import java.sql.Connection;
 import java.util.List;
-import org.apache.catalina.realm.RealmBase;
 
 /**
  * Klasse zur Verwaltung von Benutzern und Rollen 
- * in einer Datenbank
+ * in einer Datenbank. Die Datenbankverbindung wird 
+ * vom zentralen Anwendungsobjekt bereitgestellt. 
  * 
- * @author Ulrich Hilger
+ * Die SQL-Befehle finden sich in WEB-INF/sql.properties
+ * 
+ * @author Copyright (c) Ulrich Hilger, http://uhilger.de
+ * @author Published under the terms and conditions of the
+ * <a href="http://www.gnu.org/licenses/agpl-3.0" target="_blank">GNU Affero
+ * General Public License</a>
+ *
+ * @version 2, December 27, 2016
  */
 public class UserMgr {
-  
-  private static final String MD5 = "MD5";
   
   private static final Record UserMapper = new GenericRecord(User.class);
   private static final Record UserRoleMapper = new GenericRecord(UserRole.class);
@@ -26,12 +51,13 @@
   public static final String SQL_GET_ROLE_LIST = "getRoleList";
   public static final String SQL_GET_USER_ROLES = "getUserRoles";
   public static final String SQL_DELETE_USER = "deleteUser";
+  public static final String SQL_DELETE_USER_ROLES = "deleteUserRoles";
   
   /* ----------- Benutzer -------------- */
   
   public User createUser(User user) {
     String kw = user.getPw();
-    String digestedPw = RealmBase.Digest(kw, MD5, null);
+    String digestedPw = App.getDigester().digest(kw, Digester.MD5, null);
     user.setPw(digestedPw);
     App.getDatabase().insert(user, UserMapper);
     return user;
@@ -44,17 +70,16 @@
   }
   
   public User deleteUser(User user) {
-    return (User) App.getDatabase().delete(user, UserMapper);
+    PersistenceManager pm = App.getDatabase();
+    Connection c = pm.getConnection();
+    pm.startTransaction(c);
+    String sql = App.getSqlStatement(SQL_DELETE_USER_ROLES);
+    pm.execute(c, sql, user.getId());
+    User deletedUser = (User) pm.delete(c, user, UserMapper);
+    pm.commit(c);
+    return deletedUser;
   }
-  
-  /*
-  public List getUserList() {
-    String sql = App.getSqlStatement(SQL_GET_USER_LIST);
-    List users = App.getDatabase().select(sql, UserMapper, App.WITHOUT_BLOBS);
-    return users;
-  }
-  */
-  
+    
   /* ------------ Rollen ------------------ */
   
   public UserRole grantRole(String userId, String roleName) {
@@ -79,24 +104,10 @@
     return roleNames;
   }
   
-  /**
-   * 
-   * 
-   * list.get(recordno).get(fieldno)
-   * 
-   * @param userId  ID des Benutzers
-   * @return List<List<String>> Rollennamen des Benutzers
-   */
   public List getUserRoleNames(String userId) {
     String sql = App.getSqlStatement(SQL_GET_USER_ROLES);
     List roleNames = App.getDatabase().select(sql, App.WITHOUT_BLOBS, userId);
     return roleNames;
-  }
-  
-  /* ------------ sonstige Methoden -------------- */
-  
-  public String hallo() {
-    return "Hallo Welt";
   }
   
 }

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