/**
* Direct (real and simple) SEARCH request to IMAP server,
* without result sorting and caching
*
* @param string $mbox_name Mailbox name to search in
* @param string $str Search string
* @param boolean $ret_uid True if UIDs should be returned
* @return array Search results as list of message IDs or UIDs
* @access public
*/
function search_once($mbox_name = '', $str = NULL, $ret_uid = false)
{
if (!$str) {
return false;
}
$mailbox = strlen($mbox_name) ? $this->mod_mailbox($mbox_name) : $this->mailbox;
return $this->conn->search($mailbox, $str, $ret_uid);
}
/**
* Direct (real and simple) SEARCH request to IMAP server,
* without result sorting and caching
*
* @param string $mailbox Mailbox name to search in
* @param string $str Search string
* @param boolean $ret_uid True if UIDs should be returned
*
* @return array Search results as list of message IDs or UIDs
*/
function search_once($mailbox = '', $str = NULL, $ret_uid = false)
{
if (!$str) {
return false;
}
if (!strlen($mailbox)) {
$mailbox = $this->mailbox;
}
return $this->conn->search($mailbox, $str, $ret_uid);
}
/**
* protected search method
*
* @param string $folder Folder name
* @param string $criteria Search criteria
* @param string $charset Charset
* @param string $sort_field Sorting field
*
* @return rcube_result_index|rcube_result_thread Search results (UIDs)
* @see rcube_imap::search()
*/
protected function search_index($folder, $criteria = 'ALL', $charset = NULL, $sort_field = NULL)
{
$orig_criteria = $criteria;
if (!$this->check_connection()) {
if ($this->threading) {
return new rcube_result_thread();
} else {
return new rcube_result_index();
}
}
if ($this->options['skip_deleted'] && !preg_match('/UNDELETED/', $criteria)) {
$criteria = 'UNDELETED ' . $criteria;
}
// unset CHARSET if criteria string is ASCII, this way
// SEARCH won't be re-sent after "unsupported charset" response
if ($charset && $charset != 'US-ASCII' && is_ascii($criteria)) {
$charset = 'US-ASCII';
}
if ($this->threading) {
$threads = $this->conn->thread($folder, $this->threading, $criteria, true, $charset);
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
// but I've seen that Courier doesn't support UTF-8)
if ($threads->is_error() && $charset && $charset != 'US-ASCII') {
$threads = $this->conn->thread($folder, $this->threading, $this->convert_criteria($criteria, $charset), true, 'US-ASCII');
}
return $threads;
}
if ($sort_field && $this->get_capability('SORT')) {
$charset = $charset ? $charset : $this->default_charset;
$messages = $this->conn->sort($folder, $sort_field, $criteria, true, $charset);
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
// but I've seen Courier with disabled UTF-8 support)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
$messages = $this->conn->sort($folder, $sort_field, $this->convert_criteria($criteria, $charset), true, 'US-ASCII');
}
if (!$messages->is_error()) {
$this->search_sorted = true;
return $messages;
}
}
$messages = $this->conn->search($folder, ($charset && $charset != 'US-ASCII' ? "CHARSET {$charset} " : '') . $criteria, true);
// Error, try with US-ASCII (some servers may support only US-ASCII)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
$messages = $this->conn->search($folder, $this->convert_criteria($criteria, $charset), true);
}
$this->search_sorted = false;
return $messages;
}
