954 lines
35 KiB
PHP
Executable file
954 lines
35 KiB
PHP
Executable file
<?php
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/**
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* imap_messages.php
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*
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* This implements functions that manipulate messages
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* NOTE: Quite a few functions in this file are obsolete
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*
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* @copyright © 1999-2007 The SquirrelMail Project Team
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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* @version $Id$
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* @package squirrelmail
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* @subpackage imap
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*/
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/**
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* Copy a set of messages ($id) to another mailbox ($mailbox)
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* @param int $imap_stream The resource ID for the IMAP socket
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* @param string $id The list of messages to copy
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* @param string $mailbox The destination to copy to
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* @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
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* @return bool If the copy completed without errors
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*/
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function sqimap_msgs_list_copy($imap_stream, $id, $mailbox, $handle_errors = true) {
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$msgs_id = sqimap_message_list_squisher($id);
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$read = sqimap_run_command ($imap_stream, "COPY $msgs_id " . sqimap_encode_mailbox_name($mailbox), $handle_errors, $response, $message, TRUE);
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if ($response == 'OK') {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Move a set of messages ($id) to another mailbox. Deletes the originals.
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* @param int $imap_stream The resource ID for the IMAP socket
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* @param string $id The list of messages to move
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* @param string $mailbox The destination to move to
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* @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
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* @param string $source_mailbox (since 1.5.1) name of source mailbox. It is used to
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* validate that target mailbox != source mailbox.
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* @return bool If the move completed without errors
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*/
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function sqimap_msgs_list_move($imap_stream, $id, $mailbox, $handle_errors = true, $source_mailbox = false) {
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if ($source_mailbox!==false && $source_mailbox==$mailbox) {
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return false;
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}
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$msgs_id = sqimap_message_list_squisher($id);
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if (sqimap_msgs_list_copy ($imap_stream, $id, $mailbox, $handle_errors)) {
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return sqimap_toggle_flag($imap_stream, $id, '\\Deleted', true, true);
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} else {
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return false;
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}
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}
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/**
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* Deletes a message and move it to trash or expunge the mailbox
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* @param resource imap connection
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* @param string $mailbox mailbox, used for checking if it concerns the trash_folder
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* @param array $id list with uid's
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* @param bool $bypass_trash (since 1.5.0) skip copy to trash
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* @return array $aMessageList array with messages containing the new flags and UID @see parseFetch
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* @since 1.4.0
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*/
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function sqimap_msgs_list_delete($imap_stream, $mailbox, $id, $bypass_trash=false) {
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// FIX ME, remove globals by introducing an associative array with properties
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// as 4th argument as replacement for the bypass_trash var
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global $move_to_trash, $trash_folder;
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if (($move_to_trash == true) && ($bypass_trash != true) &&
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(sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder)) ) {
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/**
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* turn off internal error handling (fourth argument = false) and
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* ignore copy to trash errors (allows to delete messages when overquota)
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*/
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sqimap_msgs_list_copy ($imap_stream, $id, $trash_folder, false);
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}
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return sqimap_toggle_flag($imap_stream, $id, '\\Deleted', true, true);
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}
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/**
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* Set a flag on the provided uid list
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* @param resource imap connection
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* @param array $id list with uid's
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* @param string $flag Flags to set/unset flags can be i.e.'\Seen', '\Answered', '\Seen \Answered'
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* @param bool $set add (true) or remove (false) the provided flag
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* @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
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* @return array $aMessageList array with messages containing the new flags and UID @see parseFetch
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*/
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function sqimap_toggle_flag($imap_stream, $id, $flag, $set, $handle_errors) {
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$msgs_id = sqimap_message_list_squisher($id);
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$set_string = ($set ? '+' : '-');
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for ($i=0; $i<sizeof($id); $i++) {
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$aMessageList["$id[$i]"] = array();
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}
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$aResponse = sqimap_run_command_list($imap_stream, "STORE $msgs_id ".$set_string."FLAGS ($flag)", $handle_errors, $response, $message, TRUE);
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// parse the fetch response
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$parseFetchResults=parseFetch($aResponse,$aMessageList);
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// some broken IMAP servers do not return UID elements on UID STORE
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// if this is the case, then we need to do a UID FETCH
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$testkey=$id[0];
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if (!isset($parseFetchResults[$testkey]['UID'])) {
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$aResponse = sqimap_run_command_list($imap_stream, "FETCH $msgs_id (FLAGS)", $handle_errors, $response, $message, TRUE);
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$parseFetchResults = parseFetch($aResponse,$aMessageList);
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}
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return ($parseFetchResults);
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}
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/**
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* Sort the message list and crunch to be as small as possible
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* (overflow could happen, so make it small if possible)
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* @param array $aUid array with uid's
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* @return string $s message set string
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*/
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function sqimap_message_list_squisher($aUid) {
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if( !is_array( $aUid ) ) {
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return $aUid;
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}
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sort($aUid, SORT_NUMERIC);
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if (count($aUid)) {
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$s = '';
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for ($i=0,$iCnt=count($aUid);$i<$iCnt;++$i) {
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$iStart = $aUid[$i];
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$iEnd = $iStart;
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while ($i<($iCnt-1) && $aUid[$i+1] == $iEnd +1) {
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$iEnd = $aUid[$i+1];
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++$i;
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}
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if ($s) {
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$s .= ',';
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}
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$s .= $iStart;
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if ($iStart != $iEnd) {
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$s .= ':' . $iEnd;
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}
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}
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}
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return $s;
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}
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/**
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* Retrieves an array with a sorted uid list. Sorting is done on the imap server
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* @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-17.txt
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* @param resource $imap_stream IMAP socket connection
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* @param string $sSortField Field to sort on
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* @param bool $reverse Reverse order search
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* @return array $id sorted uid list
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*/
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function sqimap_get_sort_order($imap_stream, $sSortField, $reverse, $search='ALL') {
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global $default_charset;
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if ($sSortField) {
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if ($reverse) {
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$sSortField = 'REVERSE '.$sSortField;
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}
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$query = "SORT ($sSortField) ".strtoupper($default_charset)." $search";
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// FIX ME sqimap_run_command should return the parsed data accessible by $aDATA['SORT']
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// use sqimap_run_command_list in case of unsollicited responses. If we don't we could loose the SORT response
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$aData = sqimap_run_command_list ($imap_stream, $query, false, $response, $message, TRUE);
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/* fallback to default charset */
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if ($response == 'NO') {
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if (strpos($message,'BADCHARSET') !== false ||
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strpos($message,'character') !== false) {
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sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message);
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$query = "SORT ($sSortField) US-ASCII $search";
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$aData = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, TRUE);
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} else {
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sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message);
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}
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} else if ($response == 'BAD') {
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sqm_trigger_imap_error('SQM_IMAP_NO_SORT',$query, $response, $message);
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}
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}
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if ($response == 'OK') {
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return parseUidList($aData,'SORT');
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} else {
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return false;
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}
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}
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/**
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* Parses a UID list returned on a SORT or SEARCH request
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* @param array $aData imap response (retrieved from sqimap_run_command_list)
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* @param string $sCommand issued imap command (SEARCH or SORT)
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* @return array $aUid uid list
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*/
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function parseUidList($aData,$sCommand) {
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$aUid = array();
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if (isset($aData) && count($aData)) {
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for ($i=0,$iCnt=count($aData);$i<$iCnt;++$i) {
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for ($j=0,$jCnt=count($aData[$i]);$j<$jCnt;++$j) {
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if (preg_match("/^\* $sCommand (.+)$/", $aData[$i][$j], $aMatch)) {
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$aUid += preg_split("/ /", trim($aMatch[1]));
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}
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}
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}
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}
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return array_unique($aUid);
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}
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/**
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* Retrieves an array with a sorted uid list. Sorting is done by SquirrelMail
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*
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* @param resource $imap_stream IMAP socket connection
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* @param string $sSortField Field to sort on
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* @param bool $reverse Reverse order search
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* @param array $aUid limit the search to the provided array with uid's default sqimap_get_small_headers uses 1:*
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* @return array $aUid sorted uid list
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*/
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function get_squirrel_sort($imap_stream, $sSortField, $reverse = false, $aUid = NULL) {
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if ($sSortField != 'RFC822.SIZE' && $sSortField != 'INTERNALDATE') {
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$msgs = sqimap_get_small_header_list($imap_stream, $aUid,
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array($sSortField), array());
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} else {
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$msgs = sqimap_get_small_header_list($imap_stream, $aUid,
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array(), array($sSortField));
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}
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$aUid = array();
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$walk = false;
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switch ($sSortField) {
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// natcasesort section
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case 'FROM':
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case 'TO':
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case 'CC':
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if(!$walk) {
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array_walk($msgs, create_function('&$v,&$k,$f',
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'$v[$f] = (isset($v[$f])) ? $v[$f] : "";
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$addr = reset(parseRFC822Address($v[$f],1));
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$sPersonal = (isset($addr[SQM_ADDR_PERSONAL]) && $addr[SQM_ADDR_PERSONAL]) ?
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$addr[SQM_ADDR_PERSONAL] : "";
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$sEmail = ($addr[SQM_ADDR_HOST]) ?
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$addr[SQM_ADDR_MAILBOX] . "@".$addr[SQM_ADDR_HOST] :
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$addr[SQM_ADDR_HOST];
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$v[$f] = ($sPersonal) ? decodeHeader($sPersonal):$sEmail;'),$sSortField);
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$walk = true;
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}
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// nobreak
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case 'SUBJECT':
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if(!$walk) {
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array_walk($msgs, create_function('&$v,&$k,$f',
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'$v[$f] = (isset($v[$f])) ? $v[$f] : "";
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$v[$f] = strtolower(decodeHeader(trim($v[$f])));
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$v[$f] = (preg_match("/^(vedr|sv|re|aw|\[\w\]):\s*(.*)$/si", $v[$f], $matches)) ?
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$matches[2] : $v[$f];'),$sSortField);
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$walk = true;
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}
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foreach ($msgs as $item) {
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$aUid[$item['UID']] = $item[$sSortField];
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}
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natcasesort($aUid);
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$aUid = array_keys($aUid);
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if ($reverse) {
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$aUid = array_reverse($aUid);
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}
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break;
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// \natcasesort section
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// sort_numeric section
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case 'DATE':
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case 'INTERNALDATE':
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if(!$walk) {
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array_walk($msgs, create_function('&$v,$k,$f',
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'$v[$f] = (isset($v[$f])) ? $v[$f] : "";
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$v[$f] = getTimeStamp(explode(" ",$v[$f]));'),$sSortField);
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$walk = true;
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}
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// nobreak;
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case 'RFC822.SIZE':
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if(!$walk) {
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// redefine $sSortField to maintain the same namespace between
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// server-side sorting and SquirrelMail sorting
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$sSortField = 'SIZE';
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}
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foreach ($msgs as $item) {
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$aUid[$item['UID']] = (isset($item[$sSortField])) ? $item[$sSortField] : 0;
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}
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if ($reverse) {
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arsort($aUid,SORT_NUMERIC);
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} else {
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asort($aUid, SORT_NUMERIC);
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}
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$aUid = array_keys($aUid);
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break;
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// \sort_numeric section
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case 'UID':
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$aUid = array_reverse($msgs);
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break;
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}
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return $aUid;
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}
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/**
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* Returns an array with each element as a string representing one
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* message-thread as returned by the IMAP server.
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* @param resource $imap_stream IMAP socket connection
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* @param string $search optional search string
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* @return array
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* @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-13.txt
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*/
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function get_thread_sort($imap_stream, $search='ALL') {
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global $sort_by_ref, $default_charset;
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if ($sort_by_ref == 1) {
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$sort_type = 'REFERENCES';
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} else {
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$sort_type = 'ORDEREDSUBJECT';
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}
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$query = "THREAD $sort_type ".strtoupper($default_charset)." $search";
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// TODO use sqimap_run_command_list as we do in get_server_sort()
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$sRead = sqimap_run_command ($imap_stream, $query, false, $response, $message, TRUE);
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/* fallback to default charset */
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if ($response == 'NO') {
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if (strpos($message,'BADCHARSET') !== false ||
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strpos($message,'character') !== false) {
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sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message);
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$query = "THREAD $sort_type US-ASCII $search";
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$sRead = sqimap_run_command ($imap_stream, $query, true, $response, $message, TRUE);
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} else {
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sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message);
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}
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} elseif ($response == 'BAD') {
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sqm_trigger_imap_error('SQM_IMAP_NO_THREAD',$query, $response, $message);
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}
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if (isset($sRead[0])) {
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for ($i=0,$iCnt=count($sRead);$i<$iCnt;++$i) {
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if (preg_match("/^\* THREAD (.+)$/", $sRead[$i], $aMatch)) {
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$sThreadResponse = trim($aMatch[1]);
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break;
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}
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}
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} else {
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$sThreadResponse = "";
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}
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unset($sRead);
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if ($response !== 'OK') {
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return false;
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}
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/* Example response
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* S: * THREAD (2)(3 6 (4 23)(44 7 96))
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* -- 2
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*
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* -- 3
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* \-- 6
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* |-- 4
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* | \-- 23
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* |
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* \-- 44
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* \-- 7
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* \-- 96
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*/
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/*
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* Notes for future work:
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* indent_array should contain: indent_level, parent and flags,
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* sibling nodes ..
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* To achieve that we need to define the following flags:
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* 0: hasnochildren
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* 1: haschildren
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* 2: is first
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* 4: is last
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* a node has sibling nodes if it's not the last node
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* a node has no sibling nodes if it's the last node
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* By using binary comparations we can store the flag in one var
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*
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* example:
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* -1 par = 0, level = 0, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
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* \-2 par = 1, level = 1, flag = 0 + 2 = 2 (hasnochildren, isfirst)
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* |-3 par = 1, level = 1, flag = 1 + 4 = 5 (haschildren, islast)
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* \-4 par = 3, level = 2, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
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* \-5 par = 4, level = 3, flag = 0 + 2 + 4 = 6 (hasnochildren, isfirst, islast)
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*/
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$j = 0;
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$k = 0;
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$l = 0;
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$aUidThread = array();
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$aIndent = array();
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$aUidSubThread = array();
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$aDepthStack = array();
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$sUid = '';
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if ($sThreadResponse) {
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for ($i=0,$iCnt = strlen($sThreadResponse);$i<$iCnt;++$i) {
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$cChar = $sThreadResponse{$i};
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switch ($cChar) {
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case '(': // new sub thread
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// correction for a subthread of a thread with no parents in thread
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if (!count($aUidSubThread) && $j > 0) {
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--$l;
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}
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$aDepthStack[$j] = $l;
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++$j;
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break;
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case ')': // close sub thread
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if($sUid !== '') {
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$aUidSubThread[] = $sUid;
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$aIndent[$sUid] = $j + $l - 1;
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++$l;
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$sUid = '';
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}
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--$j;
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if ($j === 0) {
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// show message that starts the thread first.
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$aUidSubThread = array_reverse($aUidSubThread);
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// do not use array_merge because it's extremely slow and is causing timeouts
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foreach ($aUidSubThread as $iUid) {
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$aUidThread[] = $iUid;
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}
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$aUidSubThread = array();
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$l = 0;
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$aDepthStack = array();
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} else {
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$l = $aDepthStack[$j];
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}
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break;
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case ' ': // new child
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if ($sUid !== '') {
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$aUidSubThread[] = $sUid;
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$aIndent[$sUid] = $j + $l - 1;
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++$l;
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$sUid = '';
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}
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break;
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default: // part of UID
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$sUid .= $cChar;
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break;
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}
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}
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}
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unset($sThreadResponse);
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// show newest threads first
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$aUidThread = array_reverse($aUidThread);
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return array($aUidThread,$aIndent);
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}
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function elapsedTime($start) {
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$stop = gettimeofday();
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$timepassed = 1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec'];
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return $timepassed;
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|
}
|
|
|
|
|
|
/**
|
|
* Normalise the different Priority headers into a uniform value,
|
|
* namely that of the X-Priority header (1, 3, 5). Supports:
|
|
* Prioirty, X-Priority, Importance.
|
|
* X-MS-Mail-Priority is not parsed because it always coincides
|
|
* with one of the other headers.
|
|
*
|
|
* FIXME: DUPLICATE CODE ALERT:
|
|
* NOTE: this is actually a duplicate from the function in
|
|
* class/mime/Rfc822Header.php.
|
|
* @todo obsolate function or use it instead of code block in parseFetch()
|
|
*/
|
|
function parsePriority($sValue) {
|
|
$aValue = split('/\w/',trim($sValue));
|
|
$value = strtolower(array_shift($aValue));
|
|
if ( is_numeric($value) ) {
|
|
return $value;
|
|
}
|
|
if ( $value == 'urgent' || $value == 'high' ) {
|
|
return 1;
|
|
} elseif ( $value == 'non-urgent' || $value == 'low' ) {
|
|
return 5;
|
|
}
|
|
return 3;
|
|
}
|
|
|
|
/**
|
|
* Parses a string in an imap response. String starts with " or { which means it
|
|
* can handle double quoted strings and literal strings
|
|
*
|
|
* @param string $read imap response
|
|
* @param integer $i (reference) offset in string
|
|
* @return string $s parsed string without the double quotes or literal count
|
|
*/
|
|
function parseString($read,&$i) {
|
|
$char = $read{$i};
|
|
$s = '';
|
|
if ($char == '"') {
|
|
$iPos = ++$i;
|
|
while (true) {
|
|
$iPos = strpos($read,'"',$iPos);
|
|
if (!$iPos) break;
|
|
if ($iPos && $read{$iPos -1} != '\\') {
|
|
$s = substr($read,$i,($iPos-$i));
|
|
$i = $iPos;
|
|
break;
|
|
}
|
|
$iPos++;
|
|
if ($iPos > strlen($read)) {
|
|
break;
|
|
}
|
|
}
|
|
} else if ($char == '{') {
|
|
$lit_cnt = '';
|
|
++$i;
|
|
$iPos = strpos($read,'}',$i);
|
|
if ($iPos) {
|
|
$lit_cnt = substr($read, $i, $iPos - $i);
|
|
$i += strlen($lit_cnt) + 3; /* skip } + \r + \n */
|
|
/* Now read the literal */
|
|
$s = ($lit_cnt ? substr($read,$i,$lit_cnt): '');
|
|
$i += $lit_cnt;
|
|
/* temp bugfix (SM 1.5 will have a working clean version)
|
|
too much work to implement that version right now */
|
|
--$i;
|
|
} else { /* should never happen */
|
|
$i += 3; /* } + \r + \n */
|
|
$s = '';
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
++$i;
|
|
return $s;
|
|
}
|
|
|
|
|
|
/**
|
|
* Parses a string containing an array from an imap response. String starts with ( and end with )
|
|
*
|
|
* @param string $read imap response
|
|
* @param integer $i (reference) offset in string
|
|
* @return array $a
|
|
*/
|
|
function parseArray($read,&$i) {
|
|
$i = strpos($read,'(',$i);
|
|
$i_pos = strpos($read,')',$i);
|
|
$s = substr($read,$i+1,$i_pos - $i -1);
|
|
$a = explode(' ',$s);
|
|
if ($i_pos) {
|
|
$i = $i_pos+1;
|
|
return $a;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Retrieves a list with headers, flags, size or internaldate from the imap server
|
|
*
|
|
* WARNING: function is not portable between SquirrelMail 1.2.x, 1.4.x and 1.5.x.
|
|
* Output format, third argument and $msg_list array format requirements differ.
|
|
* @param stream $imap_stream imap connection
|
|
* @param array $msg_list array with id's to create a msgs set from
|
|
* @param array $aHeaderFields (since 1.5.0) requested header fields
|
|
* @param array $aFetchItems (since 1.5.0) requested other fetch items like FLAGS, RFC822.SIZE
|
|
* @return array $aMessages associative array with messages. Key is the UID, value is an associative array
|
|
* @since 1.1.3
|
|
*/
|
|
function sqimap_get_small_header_list($imap_stream, $msg_list,
|
|
$aHeaderFields = array('Date', 'To', 'Cc', 'From', 'Subject', 'X-Priority', 'Content-Type'),
|
|
$aFetchItems = array('FLAGS', 'RFC822.SIZE', 'INTERNALDATE')) {
|
|
|
|
$aMessageList = array();
|
|
|
|
/**
|
|
* Catch other priority headers as well
|
|
*/
|
|
if (in_array('X-Priority',$aHeaderFields,true)) {
|
|
$aHeaderFields[] = 'Importance';
|
|
$aHeaderFields[] = 'Priority';
|
|
}
|
|
|
|
$bUidFetch = ! in_array('UID', $aFetchItems, true);
|
|
|
|
/* Get the small headers for each message in $msg_list */
|
|
if ($msg_list !== NULL) {
|
|
$msgs_str = sqimap_message_list_squisher($msg_list);
|
|
/*
|
|
* We need to return the data in the same order as the caller supplied
|
|
* in $msg_list, but IMAP servers are free to return responses in
|
|
* whatever order they wish... So we need to re-sort manually
|
|
*/
|
|
if ($bUidFetch) {
|
|
for ($i = 0; $i < sizeof($msg_list); $i++) {
|
|
$aMessageList["$msg_list[$i]"] = array();
|
|
}
|
|
}
|
|
} else {
|
|
$msgs_str = '1:*';
|
|
}
|
|
|
|
/*
|
|
* Create the query
|
|
*/
|
|
|
|
$sFetchItems = '';
|
|
$query = "FETCH $msgs_str (";
|
|
if (count($aFetchItems)) {
|
|
$sFetchItems = implode(' ',$aFetchItems);
|
|
}
|
|
if (count($aHeaderFields)) {
|
|
$sHeaderFields = implode(' ',$aHeaderFields);
|
|
$sFetchItems .= ' BODY.PEEK[HEADER.FIELDS ('.$sHeaderFields.')]';
|
|
}
|
|
$query .= trim($sFetchItems) . ')';
|
|
$aResponse = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $bUidFetch);
|
|
$aMessages = parseFetch($aResponse,$aMessageList);
|
|
array_reverse($aMessages);
|
|
return $aMessages;
|
|
}
|
|
|
|
|
|
/**
|
|
* Parses a fetch response, currently it can hande FLAGS, HEADERS, RFC822.SIZE, INTERNALDATE and UID
|
|
* @param array $aResponse Imap response
|
|
* @param array $aMessageList Placeholder array for results. The keys of the
|
|
* placeholder array should be the UID so we can reconstruct the order.
|
|
* @return array $aMessageList associative array with messages. Key is the UID, value is an associative array
|
|
* @author Marc Groot Koerkamp
|
|
*/
|
|
function parseFetch(&$aResponse,$aMessageList = array()) {
|
|
for ($j=0,$iCnt=count($aResponse);$j<$iCnt;++$j) {
|
|
$aMsg = array();
|
|
|
|
$read = implode('',$aResponse[$j]);
|
|
// free up memmory
|
|
unset($aResponse[$j]); /* unset does not reindex the array. the for loop is safe */
|
|
/*
|
|
* #id<space>FETCH<space>(
|
|
*/
|
|
|
|
/* extract the message id */
|
|
$i_space = strpos($read,' ',2);/* position 2ed <space> */
|
|
$id = substr($read,2/* skip "*<space>" */,$i_space -2);
|
|
$aMsg['ID'] = $id;
|
|
$fetch = substr($read,$i_space+1,5);
|
|
if (!is_numeric($id) && $fetch !== 'FETCH') {
|
|
$aMsg['ERROR'] = $read; // htmlspecialchars should be done just before display. this is backend code
|
|
break;
|
|
}
|
|
$i = strpos($read,'(',$i_space+5);
|
|
$read = substr($read,$i+1);
|
|
$i_len = strlen($read);
|
|
$i = 0;
|
|
while ($i < $i_len && $i !== false) {
|
|
/* get argument */
|
|
$read = trim(substr($read,$i));
|
|
$i_len = strlen($read);
|
|
$i = strpos($read,' ');
|
|
$arg = substr($read,0,$i);
|
|
++$i;
|
|
/*
|
|
* use allcaps for imap items and lowcaps for headers as key for the $aMsg array
|
|
*/
|
|
switch ($arg)
|
|
{
|
|
case 'UID':
|
|
$i_pos = strpos($read,' ',$i);
|
|
if (!$i_pos) {
|
|
$i_pos = strpos($read,')',$i);
|
|
}
|
|
if ($i_pos) {
|
|
$unique_id = substr($read,$i,$i_pos-$i);
|
|
$i = $i_pos+1;
|
|
} else {
|
|
break 3;
|
|
}
|
|
break;
|
|
case 'FLAGS':
|
|
$flags = parseArray($read,$i);
|
|
if (!$flags) break 3;
|
|
$aFlags = array();
|
|
foreach ($flags as $flag) {
|
|
$flag = strtolower($flag);
|
|
$aFlags[$flag] = true;
|
|
}
|
|
$aMsg['FLAGS'] = $aFlags;
|
|
break;
|
|
case 'RFC822.SIZE':
|
|
$i_pos = strpos($read,' ',$i);
|
|
if (!$i_pos) {
|
|
$i_pos = strpos($read,')',$i);
|
|
}
|
|
if ($i_pos) {
|
|
$aMsg['SIZE'] = substr($read,$i,$i_pos-$i);
|
|
$i = $i_pos+1;
|
|
} else {
|
|
break 3;
|
|
}
|
|
break;
|
|
case 'ENVELOPE':
|
|
// sqimap_parse_address($read,$i,$aMsg);
|
|
break; // to be implemented, moving imap code out of the Message class
|
|
case 'BODYSTRUCTURE':
|
|
break; // to be implemented, moving imap code out of the Message class
|
|
case 'INTERNALDATE':
|
|
$aMsg['INTERNALDATE'] = trim(str_replace(' ', ' ',parseString($read,$i)));
|
|
break;
|
|
case 'BODY.PEEK[HEADER.FIELDS':
|
|
case 'BODY[HEADER.FIELDS':
|
|
$i = strpos($read,'{',$i); // header is always returned as literal because it contain \n characters
|
|
$header = parseString($read,$i);
|
|
if ($header === false) break 2;
|
|
/* First we replace all \r\n by \n, and unfold the header */
|
|
$hdr = trim(str_replace(array("\r\n", "\n\t", "\n "),array("\n", ' ', ' '), $header));
|
|
/* Now we can make a new header array with
|
|
each element representing a headerline */
|
|
$aHdr = explode("\n" , $hdr);
|
|
$aReceived = array();
|
|
foreach ($aHdr as $line) {
|
|
$pos = strpos($line, ':');
|
|
if ($pos > 0) {
|
|
$field = strtolower(substr($line, 0, $pos));
|
|
if (!strstr($field,' ')) { /* valid field */
|
|
$value = trim(substr($line, $pos+1));
|
|
switch($field) {
|
|
case 'date':
|
|
$aMsg['date'] = trim(str_replace(' ', ' ', $value));
|
|
break;
|
|
case 'x-priority': $aMsg['x-priority'] = ($value) ? (int) $value{0} : 3; break;
|
|
case 'priority':
|
|
case 'importance':
|
|
if (!isset($aMsg['x-priority'])) {
|
|
$aPrio = split('/\w/',trim($value));
|
|
$sPrio = strtolower(array_shift($aPrio));
|
|
if (is_numeric($sPrio)) {
|
|
$iPrio = (int) $sPrio;
|
|
} elseif ( $sPrio == 'non-urgent' || $sPrio == 'low' ) {
|
|
$iPrio = 3;
|
|
} elseif ( $sPrio == 'urgent' || $sPrio == 'high' ) {
|
|
$iPrio = 1;
|
|
} else {
|
|
// default is normal priority
|
|
$iPrio = 3;
|
|
}
|
|
$aMsg['x-priority'] = $iPrio;
|
|
}
|
|
break;
|
|
case 'content-type':
|
|
$type = $value;
|
|
if ($pos = strpos($type, ";")) {
|
|
$type = substr($type, 0, $pos);
|
|
}
|
|
$type = explode("/", $type);
|
|
if(!is_array($type) || count($type) < 2) {
|
|
$aMsg['content-type'] = array('text','plain');
|
|
} else {
|
|
$aMsg['content-type'] = array(strtolower($type[0]),strtolower($type[1]));
|
|
}
|
|
break;
|
|
case 'received':
|
|
$aMsg['received'][] = $value;
|
|
break;
|
|
default:
|
|
$aMsg[$field] = $value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
++$i;
|
|
break;
|
|
}
|
|
}
|
|
if (!empty($unique_id)) {
|
|
$msgi = "$unique_id";
|
|
$aMsg['UID'] = $unique_id;
|
|
} else {
|
|
$msgi = '';
|
|
}
|
|
$aMessageList[$msgi] = $aMsg;
|
|
$aResponse[$j] = NULL;
|
|
}
|
|
return $aMessageList;
|
|
}
|
|
|
|
/**
|
|
* Work in process
|
|
* @private
|
|
* @author Marc Groot Koerkamp
|
|
*/
|
|
function sqimap_parse_envelope($read, &$i, &$msg) {
|
|
$arg_no = 0;
|
|
$arg_a = array();
|
|
++$i;
|
|
for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) {
|
|
$char = strtoupper($read{$i});
|
|
switch ($char) {
|
|
case '{':
|
|
case '"':
|
|
$arg_a[] = parseString($read,$i);
|
|
++$arg_no;
|
|
break;
|
|
case 'N':
|
|
/* probably NIL argument */
|
|
if (strtoupper(substr($read, $i, 3)) == 'NIL') {
|
|
$arg_a[] = '';
|
|
++$arg_no;
|
|
$i += 2;
|
|
}
|
|
break;
|
|
case '(':
|
|
/* Address structure (with group support)
|
|
* Note: Group support is useless on SMTP connections
|
|
* because the protocol doesn't support it
|
|
*/
|
|
$addr_a = array();
|
|
$group = '';
|
|
$a=0;
|
|
for (; $i < $cnt && $read{$i} != ')'; ++$i) {
|
|
if ($read{$i} == '(') {
|
|
$addr = sqimap_parse_address($read, $i);
|
|
if (($addr[3] == '') && ($addr[2] != '')) {
|
|
/* start of group */
|
|
$group = $addr[2];
|
|
$group_addr = $addr;
|
|
$j = $a;
|
|
} else if ($group && ($addr[3] == '') && ($addr[2] == '')) {
|
|
/* end group */
|
|
if ($a == ($j+1)) { /* no group members */
|
|
$group_addr[4] = $group;
|
|
$group_addr[2] = '';
|
|
$group_addr[0] = "$group: Undisclosed recipients;";
|
|
$addr_a[] = $group_addr;
|
|
$group ='';
|
|
}
|
|
} else {
|
|
$addr[4] = $group;
|
|
$addr_a[] = $addr;
|
|
}
|
|
++$a;
|
|
}
|
|
}
|
|
$arg_a[] = $addr_a;
|
|
break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
if (count($arg_a) > 9) {
|
|
$d = strtr($arg_a[0], array(' ' => ' '));
|
|
$d = explode(' ', $d);
|
|
if (!$arg_a[1]) $arg_a[1] = '';
|
|
$msg['DATE'] = $d; /* argument 1: date */
|
|
$msg['SUBJECT'] = $arg_a[1]; /* argument 2: subject */
|
|
$msg['FROM'] = is_array($arg_a[2]) ? $arg_a[2][0] : ''; /* argument 3: from */
|
|
$msg['SENDER'] = is_array($arg_a[3]) ? $arg_a[3][0] : ''; /* argument 4: sender */
|
|
$msg['REPLY-TO'] = is_array($arg_a[4]) ? $arg_a[4][0] : ''; /* argument 5: reply-to */
|
|
$msg['TO'] = $arg_a[5]; /* argument 6: to */
|
|
$msg['CC'] = $arg_a[6]; /* argument 7: cc */
|
|
$msg['BCC'] = $arg_a[7]; /* argument 8: bcc */
|
|
$msg['IN-REPLY-TO'] = $arg_a[8]; /* argument 9: in-reply-to */
|
|
$msg['MESSAGE-ID'] = $arg_a[9]; /* argument 10: message-id */
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Work in process
|
|
* @private
|
|
* @author Marc Groot Koerkamp
|
|
*/
|
|
function sqimap_parse_address($read, &$i) {
|
|
$arg_a = array();
|
|
for (; $read{$i} != ')'; ++$i) {
|
|
$char = strtoupper($read{$i});
|
|
switch ($char) {
|
|
case '{':
|
|
case '"': $arg_a[] = parseString($read,$i); break;
|
|
case 'n':
|
|
case 'N':
|
|
if (strtoupper(substr($read, $i, 3)) == 'NIL') {
|
|
$arg_a[] = '';
|
|
$i += 2;
|
|
}
|
|
break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
if (count($arg_a) == 4) {
|
|
return $arg_a;
|
|
|
|
// $adr = new AddressStructure();
|
|
// $adr->personal = $arg_a[0];
|
|
// $adr->adl = $arg_a[1];
|
|
// $adr->mailbox = $arg_a[2];
|
|
// $adr->host = $arg_a[3];
|
|
} else {
|
|
$adr = '';
|
|
}
|
|
return $adr;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns a message array with all the information about a message.
|
|
* See the documentation folder for more information about this array.
|
|
*
|
|
* @param resource $imap_stream imap connection
|
|
* @param integer $id uid of the message
|
|
* @param string $mailbox used for error handling, can be removed because we should return an error code and generate the message elsewhere
|
|
* @param int $hide Indicates whether or not to hide any errors: 0 = don't hide, 1 = hide (just exit), 2 = hide (return FALSE), 3 = hide (return error string) (OPTIONAL; default don't hide)
|
|
* @return mixed Message object or FALSE/error string if error occurred and $hide is set to 2/3
|
|
*/
|
|
function sqimap_get_message($imap_stream, $id, $mailbox, $hide=0) {
|
|
// typecast to int to prohibit 1:* msgs sets
|
|
$id = (int) $id;
|
|
$flags = array();
|
|
$read = sqimap_run_command($imap_stream, "FETCH $id (FLAGS BODYSTRUCTURE)", true, $response, $message, TRUE);
|
|
if ($read) {
|
|
if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) {
|
|
if (trim($regs[1])) {
|
|
$flags = preg_split('/ /', $regs[1],-1,PREG_SPLIT_NO_EMPTY);
|
|
}
|
|
}
|
|
} else {
|
|
|
|
if ($hide == 1) exit;
|
|
if ($hide == 2) return FALSE;
|
|
|
|
/* the message was not found, maybe the mailbox was modified? */
|
|
global $sort, $startMessage, $color;
|
|
|
|
$errmessage = _("The server couldn't find the message you requested.");
|
|
|
|
if ($hide == 3) return $errmessage;
|
|
|
|
$errmessage .= '<p>'._("Most probably your message list was out of date and the message has been moved away or deleted (perhaps by another program accessing the same mailbox).");
|
|
|
|
/* this will include a link back to the message list */
|
|
error_message($errmessage, $mailbox, $sort, (int) $startMessage, $color);
|
|
exit;
|
|
}
|
|
$bodystructure = implode('',$read);
|
|
$msg = mime_structure($bodystructure,$flags);
|
|
$read = sqimap_run_command($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, TRUE);
|
|
$rfc822_header = new Rfc822Header();
|
|
$rfc822_header->parseHeader($read);
|
|
$msg->rfc822_header = $rfc822_header;
|
|
return $msg;
|
|
}
|