move sources from scm-web-api and scm-cli to scm-core

scm-webapp/src/main/java/sonia/scm/user/xml/XmlUserManager.java

@@ -0,0 +1,388 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.user.xml;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.SCMContextProvider;
+import sonia.scm.security.ScmSecurityException;
+import sonia.scm.security.SecurityContext;
+import sonia.scm.user.AbstractUserManager;
+import sonia.scm.user.User;
+import sonia.scm.user.UserAllreadyExistException;
+import sonia.scm.user.UserException;
+import sonia.scm.util.IOUtil;
+import sonia.scm.util.SecurityUtil;
+import sonia.scm.util.Util;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.util.Collection;
+import java.util.LinkedList;
+
+import javax.xml.bind.JAXB;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@Singleton
+public class XmlUserManager extends AbstractUserManager
+{
+
+  /** Field description */
+  public static final String ADMIN_PATH = "/sonia/scm/config/admin-account.xml";
+
+  /** Field description */
+  public static final String DATABASEFILE =
+    "config".concat(File.separator).concat("users.xml");
+
+  /** Field description */
+  public static final String TYPE = "xml";
+
+  /** the logger for XmlUserManager */
+  private static final Logger logger =
+    LoggerFactory.getLogger(XmlUserManager.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param scurityContextProvider
+   */
+  @Inject
+  public XmlUserManager(Provider<SecurityContext> scurityContextProvider)
+  {
+    this.scurityContextProvider = scurityContextProvider;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Override
+  public void close() throws IOException
+  {
+
+    // do nothing
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param username
+   *
+   * @return
+   */
+  @Override
+  public boolean contains(String username)
+  {
+    return userDB.contains(username);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param user
+   *
+   * @throws IOException
+   * @throws UserException
+   */
+  @Override
+  public void create(User user) throws UserException, IOException
+  {
+    User currentUser = SecurityUtil.getCurrentUser(scurityContextProvider);
+
+    if (!user.equals(currentUser) &&!currentUser.isAdmin())
+    {
+      throw new ScmSecurityException("admin account is required");
+    }
+
+    if (userDB.contains(user.getName()))
+    {
+      throw new UserAllreadyExistException();
+    }
+
+    String type = user.getType();
+
+    if (Util.isEmpty(type))
+    {
+      user.setType(TYPE);
+    }
+
+    synchronized (XmlUserManager.class)
+    {
+      userDB.add(user.clone());
+      storeDB();
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param user
+   *
+   * @throws IOException
+   * @throws UserException
+   */
+  @Override
+  public void delete(User user) throws UserException, IOException
+  {
+    SecurityUtil.assertIsAdmin(scurityContextProvider);
+
+    String name = user.getName();
+
+    if (userDB.contains(name))
+    {
+      synchronized (XmlUserManager.class)
+      {
+        userDB.remove(name);
+        storeDB();
+      }
+    }
+    else
+    {
+      throw new UserException("user does not exists");
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   */
+  @Override
+  public void init(SCMContextProvider context)
+  {
+    File directory = context.getBaseDirectory();
+
+    userDBFile = new File(directory, DATABASEFILE);
+
+    if (userDBFile.exists())
+    {
+      loadDB();
+    }
+    else
+    {
+      IOUtil.mkdirs(userDBFile.getParentFile());
+      userDB = new XmlUserDatabase();
+      userDB.setCreationTime(System.currentTimeMillis());
+      createAdminAccount();
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param user
+   *
+   * @throws IOException
+   * @throws UserException
+   */
+  @Override
+  public void modify(User user) throws UserException, IOException
+  {
+    User currentUser = SecurityUtil.getCurrentUser(scurityContextProvider);
+
+    if (!user.equals(currentUser) &&!currentUser.isAdmin())
+    {
+      throw new ScmSecurityException("admin account is required");
+    }
+
+    String name = user.getName();
+
+    if (userDB.contains(name))
+    {
+      synchronized (XmlUserManager.class)
+      {
+        userDB.remove(name);
+        userDB.add(user.clone());
+        storeDB();
+      }
+    }
+    else
+    {
+      throw new UserException("user does not exists");
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param user
+   *
+   * @throws IOException
+   * @throws UserException
+   */
+  @Override
+  public void refresh(User user) throws UserException, IOException
+  {
+    SecurityUtil.assertIsAdmin(scurityContextProvider);
+
+    User fresh = userDB.get(user.getName());
+
+    if (fresh == null)
+    {
+      throw new UserException("user does not exists");
+    }
+
+    fresh.copyProperties(user);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param id
+   *
+   * @return
+   */
+  @Override
+  public User get(String id)
+  {
+
+    // SecurityUtil.assertIsAdmin(scurityContextProvider);
+    User user = userDB.get(id);
+
+    if (user != null)
+    {
+      user = user.clone();
+    }
+
+    return user;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public Collection<User> getAll()
+  {
+    SecurityUtil.assertIsAdmin(scurityContextProvider);
+
+    LinkedList<User> users = new LinkedList<User>();
+
+    for (User user : userDB.values())
+    {
+      users.add(user.clone());
+    }
+
+    return users;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   */
+  private void createAdminAccount()
+  {
+    InputStream input = XmlUserManager.class.getResourceAsStream(ADMIN_PATH);
+
+    try
+    {
+      User user = JAXB.unmarshal(input, User.class);
+
+      userDB.add(user);
+      storeDB();
+    }
+    catch (Exception ex)
+    {
+      logger.error("could not create AdminAccount", ex);
+    }
+    finally
+    {
+      IOUtil.close(input);
+    }
+  }
+
+  /**
+   * Method description
+   *
+   */
+  private void loadDB()
+  {
+    userDB = JAXB.unmarshal(userDBFile, XmlUserDatabase.class);
+  }
+
+  /**
+   * Method description
+   *
+   */
+  private void storeDB()
+  {
+    userDB.setLastModified(System.currentTimeMillis());
+    JAXB.marshal(userDB, userDBFile);
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Provider<SecurityContext> scurityContextProvider;
+
+  /** Field description */
+  private XmlUserDatabase userDB;
+
+  /** Field description */
+  private File userDBFile;
+}