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-rw-r--r--program/include/rcube_imap.php110
1 files changed, 69 insertions, 41 deletions
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index f02c52aeb..b966aa348 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -2524,11 +2524,27 @@ class rcube_imap extends rcube_storage
// Server supports LIST-EXTENDED, we can use selection options
// #1486225: Some dovecot versions returns wrong result using LIST-EXTENDED
- if (!$config->get('imap_force_lsub') && $this->get_capability('LIST-EXTENDED')) {
+ $list_extended = !$config->get('imap_force_lsub') && $this->get_capability('LIST-EXTENDED');
+ if ($list_extended) {
// This will also set folder options, LSUB doesn't do that
$a_folders = $this->conn->listMailboxes($root, $name,
NULL, array('SUBSCRIBED'));
+ }
+ else {
+ // retrieve list of folders from IMAP server using LSUB
+ $a_folders = $this->conn->listSubscribed($root, $name);
+ }
+
+ if (!is_array($a_folders)) {
+ return array();
+ }
+ // #1486796: some server configurations doesn't return folders in all namespaces
+ if ($root == '' && $name == '*' && $config->get('imap_force_ns')) {
+ $this->list_folders_update($a_folders, ($list_extended ? 'ext-' : '') . 'subscribed');
+ }
+
+ if ($list_extended) {
// unsubscribe non-existent folders, remove from the list
// we can do this only when LIST response is available
if (is_array($a_folders) && $name == '*' && !empty($this->conn->data['LIST'])) {
@@ -2542,10 +2558,7 @@ class rcube_imap extends rcube_storage
}
}
}
- // retrieve list of folders from IMAP server using LSUB
else {
- $a_folders = $this->conn->listSubscribed($root, $name);
-
// unsubscribe non-existent folders, remove them from the list,
// we can do this only when LIST response is available
if (is_array($a_folders) && $name == '*' && !empty($this->conn->data['LIST'])) {
@@ -2563,10 +2576,6 @@ class rcube_imap extends rcube_storage
}
}
- if (!is_array($a_folders) || !sizeof($a_folders)) {
- $a_folders = array();
- }
-
return $a_folders;
}
@@ -2661,50 +2670,69 @@ class rcube_imap extends rcube_storage
return array();
}
- // #1486796: some server configurations doesn't
- // return folders in all namespaces, we'll try to detect that situation
- // and ask for these namespaces separately
- if ($root == '' && $name == '*') {
- $delim = $this->get_hierarchy_delimiter();
- $namespace = $this->get_namespace();
- $search = array();
-
- // build list of namespace prefixes
- foreach ((array)$namespace as $ns) {
- if (is_array($ns)) {
- foreach ($ns as $ns_data) {
- if (strlen($ns_data[0])) {
- $search[] = $ns_data[0];
- }
+ // #1486796: some server configurations doesn't return folders in all namespaces
+ if ($root == '' && $name == '*' && $config->get('imap_force_ns')) {
+ $this->list_folders_update($result);
+ }
+
+ return $result;
+ }
+
+
+ /**
+ * Fix folders list by adding folders from other namespaces.
+ * Needed on some servers eg. Courier IMAP
+ *
+ * @param array $result Reference to folders list
+ * @param string $type Listing type (ext-subscribed, subscribed or all)
+ */
+ private function list_folders_update(&$result, $type = null)
+ {
+ $delim = $this->get_hierarchy_delimiter();
+ $namespace = $this->get_namespace();
+ $search = array();
+
+ // build list of namespace prefixes
+ foreach ((array)$namespace as $ns) {
+ if (is_array($ns)) {
+ foreach ($ns as $ns_data) {
+ if (strlen($ns_data[0])) {
+ $search[] = $ns_data[0];
}
}
}
+ }
- if (!empty($search)) {
- // go through all folders detecting namespace usage
- foreach ($result as $folder) {
- foreach ($search as $idx => $prefix) {
- if (strpos($folder, $prefix) === 0) {
- unset($search[$idx]);
- }
- }
- if (empty($search)) {
- break;
+ if (!empty($search)) {
+ // go through all folders detecting namespace usage
+ foreach ($result as $folder) {
+ foreach ($search as $idx => $prefix) {
+ if (strpos($folder, $prefix) === 0) {
+ unset($search[$idx]);
}
}
+ if (empty($search)) {
+ break;
+ }
+ }
- // get folders in hidden namespaces and add to the result
- foreach ($search as $prefix) {
- $list = $this->conn->listMailboxes($prefix, $name);
+ // get folders in hidden namespaces and add to the result
+ foreach ($search as $prefix) {
+ if ($type == 'ext-subscribed') {
+ $list = $this->conn->listMailboxes('', $prefix . '*', null, array('SUBSCRIBED'));
+ }
+ else if ($type == 'subscribed') {
+ $list = $this->conn->listSubscribed('', $prefix . '*');
+ }
+ else {
+ $list = $this->conn->listMailboxes('', $prefix . '*');
+ }
- if (!empty($list)) {
- $result = array_merge($result, $list);
- }
+ if (!empty($list)) {
+ $result = array_merge($result, $list);
}
}
}
-
- return $result;
}