From 1845fb6318dd082bf29813833c2f6cb3f1794421 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 18 Mar 2010 06:56:46 -0400
Subject: [PATCH] - Handle 'false' result from iil_C_* functions (#1486511)
---
program/include/rcube_imap.php | 86 +++++++++++++++++++++++++-----------------
1 files changed, 51 insertions(+), 35 deletions(-)
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 332d530..57a6675 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -682,17 +682,19 @@
$this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key);
}
// use SORT command
- else if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')))
+ else if ($this->get_capability('sort'))
{
- list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
- $max = max($msg_index);
- $msg_index = array_slice($msg_index, $begin, $end-$begin);
+ if ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')) {
+ list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
+ $max = max($msg_index);
+ $msg_index = array_slice($msg_index, $begin, $end-$begin);
- if ($slice)
- $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
+ if ($slice)
+ $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
- // fetch reqested headers from server
- $this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key);
+ // fetch reqested headers from server
+ $this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key);
+ }
}
// fetch specified header for all messages and sort
else if ($a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted))
@@ -773,7 +775,7 @@
// get all threads
list ($thread_tree, $msg_depth, $has_children) = iil_C_Thread($this->conn,
$mailbox, $this->threading, $this->skip_deleted ? 'UNDELETED' : '');
-
+
// add to internal (fast) cache
$this->icache['threads'] = array();
$this->icache['threads']['tree'] = $thread_tree;
@@ -1082,25 +1084,25 @@
// fetch reqested headers from server
$a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, $msgs, false, false, $this->fetch_add_headers);
- if (!empty($a_header_index))
- {
- // cache is incomplete
- $cache_index = $this->get_message_cache_index($cache_key);
+ if (empty($a_header_index))
+ return 0;
- foreach ($a_header_index as $i => $headers) {
- if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid) {
- // prevent index duplicates
- if ($cache_index[$headers->id]) {
- $this->remove_message_cache($cache_key, $headers->id, true);
- unset($cache_index[$headers->id]);
+ // cache is incomplete
+ $cache_index = $this->get_message_cache_index($cache_key);
+
+ foreach ($a_header_index as $i => $headers) {
+ if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid) {
+ // prevent index duplicates
+ if ($cache_index[$headers->id]) {
+ $this->remove_message_cache($cache_key, $headers->id, true);
+ unset($cache_index[$headers->id]);
}
- // add message to cache
- $this->add_message_cache($cache_key, $headers->id, $headers, NULL,
- !in_array($headers->uid, $cache_index));
+ // add message to cache
+ $this->add_message_cache($cache_key, $headers->id, $headers, NULL,
+ !in_array($headers->uid, $cache_index));
}
- $a_msg_headers[$headers->uid] = $headers;
- }
+ $a_msg_headers[$headers->uid] = $headers;
}
return count($a_msg_headers);
@@ -1223,17 +1225,16 @@
$this->cache[$key] = $a_index;
}
// fetch complete message index
- else if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')))
+ else if ($this->get_capability('sort'))
{
- if ($this->sort_order == 'DESC')
- $a_index = array_reverse($a_index);
-
- $this->cache[$key] = $a_index;
+ if ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')) {
+ if ($this->sort_order == 'DESC')
+ $a_index = array_reverse($a_index);
+
+ $this->cache[$key] = $a_index;
+ }
}
- else
- {
- $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted);
-
+ else if ($a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted)) {
if ($this->sort_order=="ASC")
asort($a_index);
else if ($this->sort_order=="DESC")
@@ -1461,6 +1462,9 @@
else if ($sort_field && $this->get_capability('sort')) {
$charset = $charset ? $charset : $this->default_charset;
$a_messages = iil_C_Sort($this->conn, $mailbox, $sort_field, $criteria, FALSE, $charset);
+
+ if (!$a_messages)
+ return array();
}
else {
if ($orig_criteria == 'ALL') {
@@ -1469,7 +1473,10 @@
}
else {
$a_messages = iil_C_Search($this->conn, $mailbox, ($charset ? "CHARSET $charset " : '') . $criteria);
-
+
+ if (!$a_messages)
+ return array();
+
// I didn't found that SEARCH always returns sorted IDs
if (!$this->sort_field)
sort($a_messages);
@@ -1500,7 +1507,7 @@
// THREAD=REFS: sorting by the most recent date in each thread
// default sorting
if (!$this->sort_field || ($this->sort_field == 'date' && $this->threading == 'REFS')) {
- return array_keys($thread_tree);
+ return array_keys((array)$thread_tree);
}
// here we'll implement REFS sorting, for performance reason
else { // ($sort_field == 'date' && $this->threading != 'REFS')
@@ -1508,11 +1515,20 @@
if ($this->get_capability('sort')) {
$a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field,
!empty($ids) ? $ids : ($this->skip_deleted ? 'UNDELETED' : ''));
+
+ // return unsorted tree if we've got no index data
+ if (!$a_index)
+ return array_keys((array)$thread_tree);
}
else {
// fetch specified headers for all messages and sort them
$a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, !empty($ids) ? $ids : "1:*",
$this->sort_field, $this->skip_deleted);
+
+ // return unsorted tree if we've got no index data
+ if (!$a_index)
+ return array_keys((array)$thread_tree);
+
asort($a_index); // ASC
$a_index = array_values($a_index);
}
--
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