/** * Private search method * * @param string $mailbox Mailbox name * @param string $criteria Search criteria * @param string $charset Charset * @param string $sort_field Sorting field * @return array search results as list of message ids * @access private * @see rcube_imap::search() */ private function _search_index($mailbox, $criteria = 'ALL', $charset = NULL, $sort_field = NULL) { $orig_criteria = $criteria; if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria)) { $criteria = 'UNDELETED ' . $criteria; } if ($this->threading) { $a_messages = $this->conn->thread($mailbox, $this->threading, $criteria, $charset); // Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8, // but I've seen that Courier doesn't support UTF-8) if ($a_messages === false && $charset && $charset != 'US-ASCII') { $a_messages = $this->conn->thread($mailbox, $this->threading, $this->convert_criteria($criteria, $charset), 'US-ASCII'); } if ($a_messages !== false) { list($thread_tree, $msg_depth, $has_children) = $a_messages; $a_messages = array('tree' => $thread_tree, 'depth' => $msg_depth, 'children' => $has_children); } return $a_messages; } if ($sort_field && $this->get_capability('SORT')) { $charset = $charset ? $charset : $this->default_charset; $a_messages = $this->conn->sort($mailbox, $sort_field, $criteria, false, $charset); // Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8, // but I've seen that Courier doesn't support UTF-8) if ($a_messages === false && $charset && $charset != 'US-ASCII') { $a_messages = $this->conn->sort($mailbox, $sort_field, $this->convert_criteria($criteria, $charset), false, 'US-ASCII'); } if ($a_messages !== false) { $this->search_sorted = true; return $a_messages; } } if ($orig_criteria == 'ALL') { $max = $this->_messagecount($mailbox); $a_messages = $max ? range(1, $max) : array(); } else { $a_messages = $this->conn->search($mailbox, ($charset ? "CHARSET {$charset} " : '') . $criteria); // Error, try with US-ASCII (some servers may support only US-ASCII) if ($a_messages === false && $charset && $charset != 'US-ASCII') { $a_messages = $this->conn->search($mailbox, 'CHARSET US-ASCII ' . $this->convert_criteria($criteria, $charset)); } // I didn't found that SEARCH should return sorted IDs if (is_array($a_messages) && !$this->sort_field) { sort($a_messages); } } $this->search_sorted = false; return $a_messages; }
/** * 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; }