| | |
| | | |
| | | require_once('lib/imap.inc'); |
| | | require_once('lib/mime.inc'); |
| | | require_once('lib/utf7.inc'); |
| | | |
| | | |
| | | class rcube_imap |
| | |
| | | |
| | | function connect($host, $user, $pass, $port=143, $use_ssl=FALSE) |
| | | { |
| | | global $ICL_PORT, $CONFIG; |
| | | global $ICL_SSL, $ICL_PORT, $CONFIG; |
| | | |
| | | // check for Open-SSL support in PHP build |
| | | if ($use_ssl && in_array('openssl', get_loaded_extensions())) |
| | |
| | | { |
| | | raise_error(array('code' => 403, |
| | | 'type' => 'imap', |
| | | 'file' => __FILE__, |
| | | 'message' => 'Open SSL not available;'), TRUE, FALSE); |
| | | $port = 143; |
| | | } |
| | |
| | | if (!empty($this->conn->delimiter)) |
| | | $this->delimiter = $this->conn->delimiter; |
| | | if (!empty($this->conn->rootdir)) |
| | | $this->root_ns = $this->conn->rootdir; |
| | | { |
| | | $this->set_rootdir($this->conn->rootdir); |
| | | $this->root_ns = ereg_replace('[\.\/]$', '', $this->conn->rootdir); |
| | | } |
| | | } |
| | | |
| | | return $this->conn ? TRUE : FALSE; |
| | |
| | | if ($this->conn && empty($this->delimiter)) |
| | | $this->delimiter = iil_C_GetHierarchyDelimiter($this->conn); |
| | | |
| | | if (empty($this->delimiter)) |
| | | $this->delimiter = '/'; |
| | | |
| | | return $this->delimiter; |
| | | } |
| | | |
| | |
| | | else |
| | | $count = iil_C_CountMessages($this->conn, $mailbox); |
| | | |
| | | //print "/**** get messagecount for $mailbox ($mode): $count ****/\n"; |
| | | |
| | | if (is_array($a_mailbox_cache[$mailbox])) |
| | | $a_mailbox_cache[$mailbox] = array(); |
| | | |
| | |
| | | |
| | | // write back to cache |
| | | $this->update_cache('messagecount', $a_mailbox_cache); |
| | | |
| | | //var_dump($a_mailbox_cache); |
| | | |
| | | return (int)$count; |
| | | } |
| | |
| | | |
| | | |
| | | // private method for listing message header |
| | | // by DrSlump <drslump@drslump.biz> |
| | | function __list_headers($mailbox='', $page=NULL, $sort_field='date', $sort_order='DESC') |
| | | { |
| | | $a_out = array(); |
| | | $cached_count = 0; |
| | | |
| | | if (!strlen($mailbox)) |
| | | return $a_out; |
| | | |
| | | $mbox_count = $this->_messagecount($mailbox /*, 'ALL', TRUE*/); |
| | | |
| | | $revalidate = false; |
| | | if ($mbox_count) |
| | | { |
| | | // get cached headers |
| | | $a_out = $this->get_cache($mailbox.'.msg'); |
| | | $a_out = is_array($a_out) ? $a_out : array(); // make sure we get an array |
| | | |
| | | $cached_count = count($a_out); |
| | | $a_new = array(); |
| | | $revalidate = true; // revalidate by default |
| | | |
| | | // if the cache count is greater then there have been changes for sure |
| | | if ($cached_count <= $mbox_count) |
| | | { |
| | | $from = $cached_count?$cached_count:1; |
| | | |
| | | //get new headers (at least one is returned) |
| | | $a_temp = iil_C_FetchHeaders($this->conn, $mailbox, $from . ':' . $mbox_count); |
| | | $duplicated = $cached_count?true:false; |
| | | |
| | | foreach ($a_temp as $hdr) |
| | | { |
| | | //skip the first one if duplicated |
| | | if ($duplicated) |
| | | { |
| | | //check for changes using the UID |
| | | $lastCacheHdr = end($a_out); |
| | | if ($hdr->uid === $lastCacheHdr->uid) |
| | | $revalidate = false; |
| | | |
| | | $duplicated = false; |
| | | continue; |
| | | } |
| | | |
| | | //skip deleted ones |
| | | if (! $hdr->deleted) |
| | | $a_new[ $hdr->uid ] = $hdr; |
| | | } |
| | | } |
| | | |
| | | //revalidate cache if needed |
| | | $to = $mbox_count - count($a_new); |
| | | if ($revalidate && $to !== 0) //we'll need to reindex the array so we have to make a copy |
| | | { |
| | | $a_dirty = $a_out; |
| | | $a_out = array(); |
| | | $a_buffers = array(); |
| | | |
| | | //fetch chunks of 20 headers |
| | | $step = 20; |
| | | $found = false; |
| | | |
| | | //fetch headers in blocks starting from new to old |
| | | do { |
| | | $from = $to-$step; |
| | | if ($from < 1) $from = 1; |
| | | |
| | | //store the block in a temporal buffer |
| | | $a_buffers[$from] = iil_C_FetchHeaders($this->conn, $mailbox, $from . ':' . $to); |
| | | |
| | | //compare the fetched headers with the ones in the cache |
| | | $idx = 0; |
| | | foreach ($a_buffers[$from] as $k=>$hdr) |
| | | { |
| | | //if it's different the comparison ends |
| | | if (!isset($a_dirty[$hdr->uid]) || $a_dirty[$hdr->uid]->id !== $hdr->id) |
| | | break; |
| | | |
| | | //if we arrive here then we know that the older messages in cache are ok |
| | | $found = $hdr->id; |
| | | $idx++; |
| | | } |
| | | |
| | | //remove from the buffer the headers which are already cached |
| | | if ($found) |
| | | $a_buffers[$from] = array_splice($a_buffers[$from], 0, $idx ); |
| | | |
| | | $to = $from-1; |
| | | } |
| | | while ($found===false && $from > 1); |
| | | |
| | | //just keep the headers we are certain that didn't change in the cache |
| | | if ($found !== false) |
| | | { |
| | | foreach ($a_dirty as $hdr) |
| | | { |
| | | if ($hdr->id > $found) break; |
| | | $a_out[$hdr->uid] = $hdr; |
| | | } |
| | | } |
| | | |
| | | //we builded the block buffers from new to older, we process them in reverse order |
| | | ksort($a_buffers, SORT_NUMERIC); |
| | | foreach ($a_buffers as $a_buff) |
| | | { |
| | | foreach ($a_buff as $hdr) |
| | | { |
| | | if (! $hdr->deleted) |
| | | $a_out[$hdr->uid] = $hdr; |
| | | } |
| | | } |
| | | } |
| | | |
| | | //array_merge() would reindex the keys, so we use this 'hack' |
| | | $a_out += $a_new; |
| | | } |
| | | |
| | | //write headers list to cache if needed |
| | | if ($revalidate || count($a_out)!=$cached_count) { |
| | | $this->update_cache($mailbox.'.msg', $a_out); |
| | | } |
| | | |
| | | //sort headers by a specific col |
| | | $a_out = iil_SortHeaders( $a_out, $sort_field, $sort_order ); |
| | | |
| | | // return complete list of messages |
| | | if (strtolower($page)=='all') |
| | | return $a_out; |
| | | |
| | | $start_msg = ($this->list_page-1) * $this->page_size; |
| | | return array_slice($a_out, $start_msg, $this->page_size); |
| | | } |
| | | |
| | | |
| | | // original function; replaced 2005/10/18 |
| | | // private method for listing message header |
| | | function _list_headers($mailbox='', $page=NULL, $sort_field='date', $sort_order='DESC') |
| | | { |
| | | $max = $this->_messagecount($mailbox /*, 'ALL', TRUE*/); |
| | | |
| | | $max = $this->_messagecount($mailbox); |
| | | |
| | | if (!strlen($mailbox)) |
| | | return array(); |
| | | |
| | | // get cached headers |
| | | $a_msg_headers = $this->get_cache($mailbox.'.msg'); |
| | | |
| | | // print "/**** count = $max; headers = ".sizeof($a_msg_headers)." ****/\n"; |
| | | |
| | | // retrieve headers from IMAP |
| | | if (!is_array($a_msg_headers) || sizeof($a_msg_headers) != $max) |
| | | { |
| | | $a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, "1:$max"); |
| | | $a_msg_headers = array(); |
| | | foreach ($a_header_index as $i => $headers) |
| | | if (!$headers->deleted) |
| | | $a_msg_headers[$headers->uid] = $headers; |
| | | |
| | | // print "/**** fetch headers ****/\n"; |
| | | |
| | | if (!empty($a_header_index)) |
| | | foreach ($a_header_index as $i => $headers) |
| | | if (!$headers->deleted) |
| | | $a_msg_headers[$headers->uid] = $headers; |
| | | } |
| | | else |
| | | $headers_cached = TRUE; |
| | |
| | | |
| | | // sort headers by a specific col |
| | | $a_headers = iil_SortHeaders($a_msg_headers, $sort_field, $sort_order); |
| | | |
| | | // free memory |
| | | unset($a_msg_headers); |
| | | |
| | |
| | | if (!$headers_cached) |
| | | $this->update_cache($mailbox.'.msg', $a_headers); |
| | | |
| | | if (empty($a_headers)) |
| | | return array(); |
| | | |
| | | // return complete list of messages |
| | | if (strtolower($page)=='all') |
| | | return $a_headers; |
| | | |
| | | |
| | | $start_msg = ($this->list_page-1) * $this->page_size; |
| | | return array_slice($a_headers, $start_msg, $this->page_size); |
| | | } |
| | | |
| | | |
| | | |
| | | // return sorted array of message UIDs |
| | | function message_index($mbox='', $sort_field='date', $sort_order='DESC') |
| | |
| | | $cache_key = $this->mailbox.'.msg'; |
| | | if ($this->caching_enabled && $result && ($a_cached_headers = $this->get_cache($cache_key))) |
| | | { |
| | | // close and re-open connection |
| | | // close and re-open connection |
| | | $this->reconnect(); |
| | | |
| | | foreach ($uids as $uid) |
| | |
| | | } |
| | | |
| | | |
| | | // clear all messages in a specific mailbox |
| | | function clear_mailbox($mbox) |
| | | { |
| | | $mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox; |
| | | $msg_count = $this->_messagecount($mailbox, 'ALL'); |
| | | |
| | | if ($msg_count>0) |
| | | return iil_C_ClearFolder($this->conn, $mailbox); |
| | | else |
| | | return 0; |
| | | } |
| | | |
| | | |
| | | // send IMAP expunge command and clear cache |
| | | function expunge($mbox='', $clear_cache=TRUE) |
| | | { |
| | |
| | | function create_mailbox($name, $subscribe=FALSE) |
| | | { |
| | | $result = FALSE; |
| | | $abs_name = $this->_mod_mailbox($name); |
| | | $name_enc = UTF7EncodeString($name); |
| | | $abs_name = $this->_mod_mailbox($name_enc); |
| | | $a_mailbox_cache = $this->get_cache('mailboxes'); |
| | | |
| | | if (strlen($this->root_ns)) |
| | | $abs_name = $this->root_ns.$abs_name; |
| | | //if (strlen($this->root_ns)) |
| | | // $abs_name = $this->root_ns.$abs_name; |
| | | |
| | | if (strlen($abs_name) && (!is_array($a_mailbox_cache) || !in_array($abs_name, $a_mailbox_cache))) |
| | | $result = iil_C_CreateFolder($this->conn, iil_utf7_encode($abs_name)); |
| | | $result = iil_C_CreateFolder($this->conn, $abs_name); |
| | | |
| | | // update mailboxlist cache |
| | | if ($result && $subscribe) |
| | | $this->subscribe($this->root_ns.$name); |
| | | $this->subscribe($name_enc); |
| | | |
| | | return $result ? $this->root_ns.$name : FALSE; |
| | | return $result ? $name : FALSE; |
| | | } |
| | | |
| | | |
| | |
| | | // convert body chars according to the ctype_parameters |
| | | function charset_decode($body, $ctype_param) |
| | | { |
| | | if (is_array($ctype_param) && strlen($ctype_param['charset'])) |
| | | if (is_array($ctype_param) && !empty($ctype_param['charset'])) |
| | | return decode_specialchars($body, $ctype_param['charset']); |
| | | |
| | | return $body; |
| | |
| | | |
| | | function _mod_mailbox($mbox, $mode='in') |
| | | { |
| | | if (!empty($this->root_dir) && $mode=='in') |
| | | if ((!empty($this->root_ns) && $this->root_ns == $mbox) || ($mbox == 'INBOX' && $mode == 'in')) |
| | | return $mbox; |
| | | |
| | | if (!empty($this->root_dir) && $mode=='in') |
| | | $mbox = $this->root_dir.$this->delimiter.$mbox; |
| | | else if (strlen($this->root_dir) && $mode=='out') |
| | | else if (strlen($this->root_dir) && $mode=='out') |
| | | $mbox = substr($mbox, strlen($this->root_dir)+1); |
| | | |
| | | return $mbox; |