merged 1.1 branch into head

[mir.git] / source / mircoders / abuse / IPFilterType.java

diff --git a/source/mircoders/abuse/IPFilterType.java b/source/mircoders/abuse/IPFilterType.java
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+++ b/source/mircoders/abuse/IPFilterType.java
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+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with  any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two.  You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries.  If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mircoders.abuse;
+
+import mir.entity.Entity;
+import mir.session.Request;
+import mir.util.InternetRoutines;
+
+/**
+ * A basic ip filter type. Supports x.x.x.x, x.x.x.x/x and x.x.x.x/x.x.x.x expressions.
+ */
+public class IPFilterType extends AbstractFilterType {
+  public IPFilterType(String aName) {
+    super(aName);
+  }
+
+  /**
+   *
+   */
+  public boolean validate(String anExpression) {
+    try {
+      InternetRoutines.isIpAddressInNetwork("1.1.1.1", anExpression);
+      return true;
+    }
+    catch (Throwable t) {
+      return false;
+    }
+  }
+
+  public FilterInstance constructFilterInstance(final String anExpression) throws AbuseExc {
+    try {
+      InternetRoutines.isIpAddressInNetwork("1.1.1.1", anExpression);
+    }
+    catch (Throwable t) {
+      throw new AbuseExc("Invalid expression: " + anExpression);
+    }
+
+    return new FilterInstance() {
+      public boolean test(Entity anEntity, Request aRequest) {
+        try {
+          return InternetRoutines.isIpAddressInNetwork(aRequest.getHeader("ip"), anExpression);
+        }
+        catch (Exception e) {
+          return false;
+        }
+      }
+
+      public String status() {
+        return "";
+      }
+    };
+  }
+}