1 files changed, 153 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java b/pki/base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java
new file mode 100644
index 000000000..dcdfe2c48
--- /dev/null
+++ b/pki/base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java
@@ -0,0 +1,153 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program 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; version 2 of the License.
+//
+// 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package com.netscape.cms.evaluators;
+
+
+import com.netscape.certsrv.base.*;
+import com.netscape.certsrv.usrgrp.*;
+import com.netscape.certsrv.evaluators.*;
+import com.netscape.certsrv.authentication.*;
+import com.netscape.certsrv.logging.*;
+import com.netscape.certsrv.acls.*;
+import com.netscape.certsrv.apps.*;
+import com.netscape.certsrv.usrgrp.*;
+import com.netscape.cmsutil.util.*;
+
+
+/**
+ * A class represents a user acls evaluator.
+ * <P>
+ * 
+ * @version $Revision$, $Date$
+ */
+public class UserAccessEvaluator implements IAccessEvaluator {
+    private String mType = "user";
+    private String mDescription = "user equivalence evaluator";
+    private ILogger mLogger = CMS.getLogger();
+
+    private final static String ANYBODY = "anybody";
+    private final static String EVERYBODY = "everybody";
+
+    /**
+     * Class constructor.
+     */
+    public UserAccessEvaluator() {
+    }
+
+    /**
+     * initialization.  nothing for now.
+     */
+    public void init() {
+        CMS.debug("UserAccessEvaluator: init");
+    }
+
+    /**
+     * gets the type name for this acl evaluator
+     * @return type for this acl evaluator: "user" or "at_user"
+     */
+    public String getType() {
+        return mType;
+    }
+
+    /**
+     * gets the description for this acl evaluator
+     * @return description for this acl evaluator
+     */
+    public String getDescription() {
+        return mDescription;
+    }
+
+    public String[] getSupportedOperators() {
+        String[] s = new String[2];
+
+        s[0] = "=";
+        s[1] = "!=";
+        return s;
+    }
+
+    /**
+     * Evaluates the user in AuthToken to see if it's equal to value
+     * @param authToken AuthToken from authentication
+     * @param type must be "at_user"
+     * @param op must be "="
+     * @param value the user id
+     * @return true if AuthToken uid is same as value, false otherwise
+     */
+    public boolean evaluate(IAuthToken authToken, String type, String op, String value) {
+
+        if (type.equals(mType)) {
+            String s = Utils.stripQuotes(value);
+
+            if ((s.equals(ANYBODY) || s.equals(EVERYBODY)) && op.equals("="))
+                return true; 
+            
+                // should define "uid" at a common place
+            String uid = null;
+
+            uid = authToken.getInString("uid");
+
+            if (uid == null) {
+                log(ILogger.LL_FAILURE, CMS.getLogMessage("EVALUTOR_UID_IS_NULL"));
+                return false;
+            }
+
+            if (op.equals("="))
+                return s.equalsIgnoreCase(uid);
+            else if (op.equals("!="))
+                return !(s.equalsIgnoreCase(uid));
+        }        
+
+        return false;
+    }
+
+    /**
+     * Evaluates the user in session context to see if it's equal to value
+     * @param type must be "user"
+     * @param op must be "="
+     * @param value the user id
+     * @return true if SessionContext uid is same as value, false otherwise
+     */
+    public boolean evaluate(String type, String op, String value) {
+
+        SessionContext mSC = SessionContext.getContext();
+
+        if (type.equals(mType)) {
+            String s = Utils.stripQuotes(value);
+
+            if (s.equals(ANYBODY) && op.equals("="))
+                return true;
+
+            IUser id = (IUser) mSC.get(SessionContext.USER);
+
+            if (op.equals("="))
+                return s.equalsIgnoreCase(id.getName());
+            else if (op.equals("!="))
+                return !(s.equalsIgnoreCase(id.getName()));
+        }
+
+        return false;
+    }
+
+    private void log(int level, String msg) {
+        if (mLogger == null)
+            return;
+        mLogger.log(ILogger.EV_SYSTEM, null, ILogger.S_ACLS,
+            level, "UserAccessEvaluator: " + msg);
+    }
+
+}