From d08333ea578e3b6c6ab42bed05f808a2b7b93cf1 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 05 May 2011 08:46:54 -0400
Subject: [PATCH] - Fix problems with subfolders of INBOX folder on some IMAP servers (#1487725)                                                             - Fix handling of folders that doesn't belong to any namespace (#1487637)

---
 program/steps/settings/folders.inc |   70 ++++++++++++++++++++++------------
 1 files changed, 45 insertions(+), 25 deletions(-)

diff --git a/program/steps/settings/folders.inc b/program/steps/settings/folders.inc
index 1ceca74..c4c221f 100644
--- a/program/steps/settings/folders.inc
+++ b/program/steps/settings/folders.inc
@@ -5,7 +5,7 @@
  | program/steps/settings/folders.inc                                    |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2009, Roundcube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2009, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -34,7 +34,7 @@
 
         // Handle virtual (non-existing) folders
         if (!$result && $IMAP->get_error_code() == -1 &&
-            strpos($IMAP->get_error_str(), '[TRYCREATE]')
+            $IMAP->get_response_code() == rcube_imap::TRYCREATE
         ) {
             $result = $IMAP->create_mailbox($mbox, true);
             if ($result) {
@@ -42,10 +42,18 @@
             }
         }
 
-        if ($result)
+        if ($result) {
+            // Handle subscription of protected folder (#1487656)
+            if ($CONFIG['protect_default_folders'] == true
+                && in_array($mbox, $CONFIG['default_imap_folders'])
+            ) {
+                $OUTPUT->command('disable_subscription', $mbox);
+            }
+
             $OUTPUT->show_message('foldersubscribed', 'confirmation');
+        }
         else
-            $OUTPUT->show_message('errorsaving', 'error');
+            rcmail_display_server_error('errorsaving');
     }
 }
 
@@ -58,7 +66,7 @@
         if ($result)
             $OUTPUT->show_message('folderunsubscribed', 'confirmation');
         else
-            $OUTPUT->show_message('errorsaving', 'error');
+            rcmail_display_server_error('errorsaving');
     }
 }
 
@@ -92,7 +100,7 @@
         $OUTPUT->command('set_quota', rcmail_quota_content());
     }
     else if (!$deleted) {
-        $OUTPUT->show_message('errorsaving', 'error');
+        rcmail_display_server_error('errorsaving');
     }
 }
 
@@ -118,12 +126,11 @@
         // subfolders
         for ($x=sizeof($folderlist)-1; $x>=0; $x--) {
             if (preg_match($regexp, $folderlist[$x])) {
-                $oldfolder = $oldname . $delimiter . preg_replace($regexp, '', $folderlist[$x]);
-                $foldersplit = explode($delimiter, $folderlist[$x]);
-                $level = count($foldersplit) - 1;
+                $oldfolder   = $oldname . $delimiter . preg_replace($regexp, '', $folderlist[$x]);
+                $foldersplit = explode($delimiter, $IMAP->mod_mailbox($folderlist[$x]));
+                $level       = count($foldersplit) - 1;
                 $display_rename = str_repeat('&nbsp;&nbsp;&nbsp;&nbsp;', $level) 
                     . rcube_charset_convert($foldersplit[$level], 'UTF7-IMAP');
-
                 $before = isset($folderlist[$x+1]) ? rcube_charset_convert($folderlist[$x+1], 'UTF7-IMAP') : false;
 
                 $OUTPUT->command('replace_folder_row', rcube_charset_convert($oldfolder, 'UTF7-IMAP'),
@@ -131,17 +138,17 @@
             }
         }
 
+        $index       = array_search($name, $folderlist);
+        $name        = $IMAP->mod_mailbox($name);
         $foldersplit = explode($delimiter, $name);
-        $level = count($foldersplit) - 1;
+        $level       = count($foldersplit) - 1;
         $display_rename = str_repeat('&nbsp;&nbsp;&nbsp;&nbsp;', $level) . rcube_charset_convert($foldersplit[$level], 'UTF7-IMAP');
-        $index = array_search($name, $folderlist);
-        $before = $index !== false && isset($folderlist[$index+1]) ? rcube_charset_convert($folderlist[$index+1], 'UTF7-IMAP') : false;
+        $before         = $index !== false && isset($folderlist[$index+1]) ? rcube_charset_convert($folderlist[$index+1], 'UTF7-IMAP') : false;
 
-        $OUTPUT->command('replace_folder_row', $oldname_utf8,
-            rcube_charset_convert($name, 'UTF7-IMAP'), $display_rename, $before);
+        $OUTPUT->command('replace_folder_row', $oldname_utf8, $name_utf8, $display_rename, $before);
     }
     else if (!$rename) {
-        $OUTPUT->show_message('errorsaving', 'error');
+        rcmail_display_server_error('errorsaving');
     }
 }
 
@@ -179,7 +186,7 @@
         $OUTPUT->command('show_folder', $mbox_utf8, null, true);
     }
     else {
-        $OUTPUT->show_message('errorsaving', 'error');
+        rcmail_display_server_error('errorsaving');
     }
 }
 
@@ -194,6 +201,9 @@
 
     if ($size !== false) {
         $OUTPUT->command('folder_size_update', show_bytes($size));
+    }
+    else {
+        rcmail_display_server_error();
     }
 }
 
@@ -232,13 +242,15 @@
 
     // pre-process folders list
     foreach ($a_unsubscribed as $i => $folder) {
-        $foldersplit = explode($delimiter, $folder);
-        $name = rcube_charset_convert(array_pop($foldersplit), 'UTF7-IMAP');
+        $folder_id     = $folder;
+        $folder        = $IMAP->mod_mailbox($folder);
+        $foldersplit   = explode($delimiter, $folder);
+        $name          = rcube_charset_convert(array_pop($foldersplit), 'UTF7-IMAP');
         $parent_folder = join($delimiter, $foldersplit);
-        $level = count($foldersplit);
+        $level         = count($foldersplit);
 
         // add any necessary "virtual" parent folders
-        if ($parent_folder && !$seen[$parent_folder]) {
+        if ($parent_folder && !isset($seen[$parent_folder])) {
             for ($i=1; $i<=$level; $i++) {
 	            $ancestor_folder = join($delimiter, array_slice($foldersplit, 0, $i));
 	            if ($ancestor_folder && !$seen[$ancestor_folder]++) {
@@ -252,11 +264,16 @@
 	            }
             }
         }
-    
+
+        // Handle properly INBOX.INBOX situation
+        if (isset($seen[$folder])) {
+            continue;
+        }
+
         $seen[$folder]++;
 
         $list_folders[] = array(
-            'id'    => $folder,
+            'id'    => $folder_id,
             'name'  => $name,
             'level' => $level,
         );
@@ -291,13 +308,16 @@
             $noselect = in_array('\\Noselect', $opts);
         }
 
+        $disabled = (($protected && $subscribed) || $noselect);
+
         $table->add_row(array('id' => 'rcmrow'.$idx, 'class' => join(' ', $classes)));
     
         $table->add('name', $display_folder);
         $table->add('subscribed', $checkbox_subscribe->show(($subscribed ? $folder_utf8 : ''),
-            array('value' => $folder_utf8, 'disabled' => ($protected || $noselect) ? 'disabled' : '')));
+            array('value' => $folder_utf8, 'disabled' => $disabled ? 'disabled' : '')));
 
-        $a_js_folders['rcmrow'.$idx] = array($folder_utf8, Q($display_folder), $protected || $folder['virtual']);
+        $a_js_folders['rcmrow'.$idx] = array($folder_utf8,
+            Q($display_folder), $protected || $folder['virtual']);
     }
 
     $RCMAIL->plugins->exec_hook('folders_list', array('table' => $table));

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