--- /dev/null
+<?php
+
+/**
+ * imap_search.php
+ *
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * IMAP asearch routines
+ * Alex Lemaresquier - Brainstorm - alex at brainstorm.fr
+ * See README file for infos.
+ *
+ */
+
+require_once(SM_PATH . 'functions/imap.php');
+require_once(SM_PATH . 'functions/date.php');
+
+/* Set to TRUE to dump the imap dialogue */
+$imap_asearch_debug_dump = FALSE;
+
+$imap_asearch_opcodes = array(
+/* <message set> => 'asequence', */
+/*'ALL' is binary operator */
+ 'ANSWERED' => '',
+ 'BCC' => 'astring',
+ 'BEFORE' => 'adate',
+ 'BODY' => 'astring',
+ 'CC' => 'astring',
+ 'DELETED' => '',
+ 'DRAFT' => '',
+ 'FLAGGED' => '',
+ 'FROM' => 'astring',
+ 'HEADER' => 'afield', /* Special syntax for this one, see below */
+ 'KEYWORD' => 'akeyword',
+ 'LARGER' => 'anum',
+ 'NEW' => '',
+/*'NOT' is unary operator */
+ 'OLD' => '',
+ 'ON' => 'adate',
+/*'OR' is binary operator */
+ 'RECENT' => '',
+ 'SEEN' => '',
+ 'SENTBEFORE' => 'adate',
+ 'SENTON' => 'adate',
+ 'SENTSINCE' => 'adate',
+ 'SINCE' => 'adate',
+ 'SMALLER' => 'anum',
+ 'SUBJECT' => 'astring',
+ 'TEXT' => 'astring',
+ 'TO' => 'astring',
+ 'UID' => 'asequence',
+ 'UNANSWERED' => '',
+ 'UNDELETED' => '',
+ 'UNDRAFT' => '',
+ 'UNFLAGGED' => '',
+ 'UNKEYWORD' => 'akeyword',
+ 'UNSEEN' => ''
+);
+
+$imap_asearch_months = array(
+ '01' => 'jan',
+ '02' => 'feb',
+ '03' => 'mar',
+ '04' => 'apr',
+ '05' => 'may',
+ '06' => 'jun',
+ '07' => 'jul',
+ '08' => 'aug',
+ '09' => 'sep',
+ '10' => 'oct',
+ '11' => 'nov',
+ '12' => 'dec'
+);
+
+/* This is to avoid the E_NOTICE warnings signaled by marc AT squirrelmail.org. Thanks Marc! */
+function asearch_nz(&$var)
+{
+ if (isset($var))
+ return $var;
+ return '';
+}
+
+/* This should give the same results as PHP 4 >= 4.3.0's html_entity_decode() */
+function asearch_unhtmlentities($string) {
+ $trans_tbl = array_flip(get_html_translation_table(HTML_ENTITIES));
+ for ($i=127; $i<255; $i++) /* Add &#<dec>; entities */
+ $trans_tbl['&#' . $i . ';'] = chr($i);
+ return strtr($string, $trans_tbl);
+/* I think the one above is quicker, though it should be benchmarked
+ $string = strtr($string, array_flip(get_html_translation_table(HTML_ENTITIES)));
+ return preg_replace("/&#([0-9]+);/E", "chr('\\1')", $string);
+*/
+}
+
+function s_dump($var_name, $var_var, $compact = FALSE)
+{
+ if (!$compact)
+ echo '<PRE>';
+ echo htmlentities($var_name) . '=';
+ print_r($var_var);
+ if ($compact)
+ echo "<BR>\n";
+ else
+ echo "</PRE>\n";
+}
+
+function s_debug_dump($var_name, $var_var, $compact = FALSE)
+{
+ global $imap_asearch_debug_dump;
+ if ($imap_asearch_debug_dump)
+ s_dump($var_name, $var_var, $compact);
+}
+
+function sqimap_asearch_encode_string($what, $search_charset)
+{
+ if (strtoupper($search_charset) == 'ISO-2022-JP')
+ $what = mb_convert_encoding($what, 'JIS', 'auto');
+ if (strpos($what,'"') > -1)
+ return '{' . strlen($what) . "}\r\n" . $what; /* 4.3 literal form */
+ return '"' . $what . '"'; /* 4.3 quoted string form */
+}
+
+/*
+ Parses a user date string into an rfc2060 date string (<day number>-<US month TLA>-<4 digit year>)
+ Returns a preg_match-style array: [0]: fully formatted date, [1]: day, [2]: month, [3]: year
+ Handles space, slash, dot and comma as separators (and dash of course ;=)
+*/
+function sqimap_asearch_parse_date($what)
+{
+ global $imap_asearch_months;
+
+ $what = trim($what);
+ $what = ereg_replace('[ :,:/:.]+', '-', $what);
+ if ($what) {
+ preg_match('/^([0-9]+)-([^\-]+)-([0-9]+)$/', $what, $what_parts);
+ if (count($what_parts) == 4) {
+ $what_month = strtolower(asearch_unhtmlentities($what_parts[2]));
+/* if (!in_array($what_month, $imap_asearch_months)) {*/
+ foreach ($imap_asearch_months as $month_number => $month_code) {
+ if (($what_month == $month_number)
+ || ($what_month == $month_code)
+ || ($what_month == strtolower(asearch_unhtmlentities(getMonthName($month_number))))
+ || ($what_month == strtolower(asearch_unhtmlentities(getMonthAbrv($month_number))))
+ ) {
+ $what_parts[2] = $month_number;
+ $what_parts[0] = $what_parts[1] . '-' . $month_code . '-' . $what_parts[3];
+ break;
+ }
+ }
+/* }*/
+ }
+ }
+ else
+ $what_parts = array();
+ return $what_parts;
+}
+
+function sqimap_asearch_build_criteria($opcode, $what, $search_charset)
+{
+ global $imap_asearch_opcodes;
+
+ switch ($imap_asearch_opcodes[$opcode]) {
+ default:
+ case 'anum':
+/* $what = str_replace(' ', '', $what);*/
+ $what = ereg_replace('[^0-9]+', '', $what);
+ if ($what != '')
+ $criteria = $opcode . ' ' . $what . ' ';
+ break;
+ case '': /* aflag */
+ $criteria = $opcode . ' ';
+ break;
+ case 'afield': /* HEADER field-name: field-body */
+ preg_match('/^([^:]+):(.*)$/', $what, $what_parts);
+ if (count($what_parts) == 3)
+ $criteria = $opcode . ' ' .
+ sqimap_asearch_encode_string($what_parts[1], $search_charset) . ' ' .
+ sqimap_asearch_encode_string($what_parts[2], $search_charset) . ' ';
+ break;
+ case 'adate':
+ $what_parts = sqimap_asearch_parse_date($what);
+ if ($what_parts[0] != '')
+ $criteria = $opcode . ' ' . $what_parts[0] . ' ';
+ break;
+ case 'akeyword':
+ case 'astring':
+ $criteria = $opcode . ' ' . sqimap_asearch_encode_string($what, $search_charset) . ' ';
+ break;
+ case 'asequence':
+ $what = ereg_replace('[^0-9:\(\)]+', '', $what);
+ if ($what != '')
+ $criteria = $opcode . ' ' . $what . ' ';
+ break;
+ }
+ return $criteria;
+}
+
+function sqimap_run_search($imapConnection, $search_string, $search_charset)
+{
+ global $allow_charset_search, $uid_support;
+
+ /* 6.4.4 try OPTIONAL [CHARSET] specification first */
+ if ($allow_charset_search && (!empty($search_charset)))
+ $ss = 'SEARCH CHARSET ' . strtoupper($search_charset) . ' ALL ' . $search_string;
+ else
+ $ss = 'SEARCH ALL ' . $search_string;
+ s_debug_dump('O', $ss);
+
+ /* read data back from IMAP */
+ $readin = sqimap_run_command($imapConnection, $ss, false, $result, $message, $uid_support);
+
+ /* 6.4.4 try US-ASCII charset if we receive a tagged NO response */
+ if (!empty($charset) && strtolower($result) == 'no') {
+ $ss = 'SEARCH CHARSET "US-ASCII" ALL ' . $search_string;
+ s_debug_dump('O', $ss);
+ $readin = sqimap_run_command ($imapConnection, $ss, true, $result, $message); /* no $uid_support? */
+ }
+
+ unset($messagelist);
+
+ /* Keep going till we find the SEARCH response */
+ foreach ($readin as $readin_part) {
+ s_debug_dump('I', $readin_part);
+ /* Check to see if a SEARCH response was received */
+ if (substr($readin_part, 0, 9) == '* SEARCH ') {
+ $messagelist = preg_split("/ /", substr($readin_part, 9));
+ } else if (isset($errors)) {
+ $errors = $errors . $readin_part;
+ } else {
+ $errors = $readin_part;
+ }
+ }
+
+ /* If nothing is found * SEARCH should be the first error else echo errors */
+ if (isset($errors)) {
+ if (strstr($errors,'* SEARCH'))
+ return array();
+ echo '<!-- ' . htmlspecialchars($errors) . ' -->';
+ }
+
+ $cnt = count($messagelist);
+ for ($q = 0; $q < $cnt; $q++)
+ $id[$q] = trim($messagelist[$q]);
+ return $id;
+}
+
+/* replaces $mbox_msgs[$search_mailbox] = array_values(array_unique(array_merge($mbox_msgs[$search_mailbox], sqimap_run_search($imapConnection, $search_string, $search_charset))));*/
+function sqimap_array_merge_unique($to, $from)
+{
+ if (empty($to))
+ return $from;
+ for ($i=0; $i<count($from); $i++) {
+ if (!in_array($from[$i], $to))
+ $to[] = $from[$i];
+ }
+ return $to;
+}
+
+function sqimap_asearch($imapConnection, $mailbox_array, $biop_array, $unop_array, $where_array, $what_array, $exclude_array, $mboxes_array)
+{
+ global $languages, $squirrelmail_language;
+
+/* ??? what are those for ?? */
+/* $pos = $search_position;*/
+
+ $mbox_msgs = array();
+ $search_charset = $languages[$squirrelmail_language]['CHARSET'];
+ $search_string = '';
+ $cur_mailbox = $mailbox_array[0];
+ $cur_biop = ''; /* Start with ALL */
+ /* We loop one more time than the real array count, so the last search gets fired */
+ for ($cur_crit = 0; $cur_crit <= count($where_array); $cur_crit++) {
+ if (empty($exclude_array[$cur_crit])) {
+ $next_mailbox = $mailbox_array[$cur_crit];
+ if ($next_mailbox != $cur_mailbox) {
+ $search_string = trim($search_string); /* Trim out last space */
+ if (($cur_mailbox == 'All Folders') && (!empty($mboxes_array)))
+ $search_mboxes = $mboxes_array;
+ else
+ $search_mboxes = array($cur_mailbox);
+ foreach ($search_mboxes as $cur_mailbox) {
+ sqimap_mailbox_select($imapConnection, $cur_mailbox);
+ s_debug_dump('SELECT',$cur_mailbox);
+ if ($cur_biop == 'OR') /* Merge with previous results */
+ $mbox_msgs[$cur_mailbox] = sqimap_array_merge_unique($mbox_msgs[$cur_mailbox], sqimap_run_search($imapConnection, $search_string, $search_charset));
+ else { /* Intersect previous results */
+ if (!is_array(asearch_nz($mbox_msgs[$cur_mailbox])))
+ $mbox_msgs[$cur_mailbox] = sqimap_run_search($imapConnection, $search_string, $search_charset);
+ else
+ $mbox_msgs[$cur_mailbox] = array_values(array_intersect(sqimap_run_search($imapConnection, $search_string, $search_charset), $mbox_msgs[$cur_mailbox]));
+ }
+ if (empty($mbox_msgs[$cur_mailbox])) /* Can happen with intersect, and we need at the end a contiguous array */
+ unset($mbox_msgs[$cur_mailbox]);
+ }
+ $cur_mailbox = $next_mailbox;
+ $search_string = '';
+ }
+ if (isset($where_array[$cur_crit])) {
+ $criteria = sqimap_asearch_build_criteria($where_array[$cur_crit], $what_array[$cur_crit], $search_charset);
+ if (!empty($criteria)) {
+ $unop = $unop_array[$cur_crit];
+ if (!empty($unop))
+ $criteria = $unop . ' ' . $criteria;
+ /* We need to infix the next non-excluded criteria's biop if it's the same mailbox */
+ $next_biop = '';
+ for ($next_crit = $cur_crit+1; $next_crit <= count($where_array); $next_crit++) {
+ if (empty($exclude_array[$next_crit])) {
+ if (asearch_nz($mailbox_array[$next_crit]) == $cur_mailbox)
+ $next_biop = $biop_array[$next_crit];
+ break;
+ }
+ }
+ if ($next_biop == 'OR')
+ $criteria = $next_biop . ' ' . $criteria;
+ $search_string .= $criteria;
+ $cur_biop = asearch_nz($biop_array[$cur_crit]);
+ }
+ }
+ }
+ }
+ return $mbox_msgs;
+}
+
+?>
\ No newline at end of file