add mailbox acls, further separate Mailbox and MailboxTree

[org.ibex.mail.git] / src / org / ibex / mail / MailboxTree.java

diff --git a/src/org/ibex/mail/MailboxTree.java b/src/org/ibex/mail/MailboxTree.java
index 9e0bafe..4728857 100644 (file)
--- a/src/org/ibex/mail/MailboxTree.java
+++ b/src/org/ibex/mail/MailboxTree.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Copyright 2007 the Contributors, as shown in the revision logs.
 // Licensed under the Apache Public Source License 2.0 ("the License").
 // You may not use this file except in compliance with the License.
 
@@ -13,8 +13,47 @@ import java.util.*;
 import java.text.*;
 
 /** a node on the "mailbox tree" */
-public abstract class MailboxTree extends JS.Obj {
+public interface MailboxTree {
     public abstract MailboxTree  slash(String name, boolean create);
     public abstract String[]     children();
-    public          Mailbox      getMailbox() { return null; }
+    public abstract void         rmdir(String subdir);
+    public abstract void         rename(String subdir, MailboxTree newParent, String newName);        /* FIXME: IMAP semantics require creating parent dirs */
+    public abstract Mailbox      getMailbox();
+
+    public static class Wrapper implements MailboxTree {
+        protected MailboxTree mt;
+        public Wrapper(MailboxTree mt) { this.mt = mt; }
+        public MailboxTree  slash(String name, boolean create) { return mt.slash(name, create); }
+        public String[]     children() { return mt.children(); }
+        public void         rmdir(String subdir) { mt.rmdir(subdir); }
+        public void         rename(String subdir, MailboxTree newParent, String newName) { mt.rename(subdir, newParent, newName); }
+        public Mailbox      getMailbox() { return mt.getMailbox(); }
+    }
+
+    public static class AclWrapper extends Wrapper {
+        protected Acl.Entry acl;
+        public AclWrapper(MailboxTree mt, Acl.Entry acl) { super(mt); this.acl = acl; }
+        public Mailbox      getMailbox() {
+            return new Mailbox.AclWrapper(mt.getMailbox(), acl) {
+                    public MailboxTree  slash(String name, boolean create) {
+                        return MailboxTree.AclWrapper.this.slash(name, create);
+                    }
+                };
+        }
+        public MailboxTree slash(String name, boolean create) {
+            if (!acl.mkdir) create = false;
+            if (!acl.list) return null;
+            return super.slash(name, create);
+        }
+        public void rmdir(String subdir) {
+            if (!acl.delete) throw new Acl.PermissionDenied();
+            super.rmdir(subdir);
+        }
+        public void rename(String subdir, MailboxTree newParent, String newName) {
+            // FIXME: acl-checking on parent?
+            if (!acl.delete) throw new Acl.PermissionDenied();
+            super.rename(subdir, newParent, newName);
+        }
+    }
+
 }