Partial support for IMAP LOgin Referrals: tell the user what's going on

[squirrelmail.git] / functions / abook_local_file.php

diff --git a/functions/abook_local_file.php b/functions/abook_local_file.php
index c7a5bb7e64fbb907409bda17ea385fa4daf99b5c..6d6a636b737f86c21e2d5dd22c20a90a0406d4c9 100644 (file)
--- a/functions/abook_local_file.php
+++ b/functions/abook_local_file.php
@@ -2,7 +2,7 @@
 /**
  * abook_local_file.php
  *
- * Copyright (c) 1999-2004 The SquirrelMail Project Team
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
  *
  * @version $Id$
@@ -21,7 +21,12 @@
  *   filename  => path to addressbook file
  * ? create    => if true: file is created if it does not exist.
  * ? umask     => umask set before opening file.
- * ? name      => name of address book
+ * ? name      => name of address book.
+ * ? detect_writeable => detect address book access permissions by
+ *                checking file permissions.
+ * ? writeable => allow writing into address book. Used only when
+ *                detect_writeable is set to false.
+ * ? listing   => enable/disable listing
  *</pre>
  * NOTE. This class should not be used directly. Use the
  *       "AddressBook" class instead.
@@ -30,7 +35,7 @@
 class abook_local_file extends addressbook_backend {
     /**
      * Backend type
-     * @var string 
+     * @var string
      */
     var $btype = 'local';
     /**
@@ -66,6 +71,11 @@ class abook_local_file extends addressbook_backend {
      * @var bool
      */
     var $writeable = false;
+    /**
+     * controls listing of address book
+     * @var bool
+     */
+    var $listing = true;
     /**
      * Umask of the file
      * @var string
@@ -109,6 +119,9 @@ class abook_local_file extends addressbook_backend {
             if(!empty($param['writeable'])) {
                 $this->writeable = $param['writeable'];
             }
+            if(isset($param['listing'])) {
+                $this->listing = $param['listing'];
+            }
 
             $this->open(true);
         } else {
@@ -128,7 +141,7 @@ class abook_local_file extends addressbook_backend {
         $this->error = '';
         $file   = $this->filename;
         $create = $this->create;
-        $fopenmode = ($this->writeable ? 'a+' : 'r');
+        $fopenmode = (($this->writeable && is_writable($file)) ? 'a+' : 'r');
 
         /* Return true is file is open and $new is unset */
         if($this->filehandle && !$new) {
@@ -311,6 +324,11 @@ class abook_local_file extends addressbook_backend {
      */
     function list_addr() {
         $res = array();
+
+        if(isset($this->listing) && !$this->listing) {
+            return array();
+        }
+
         $this->open();
         @rewind($this->filehandle);