[squirrelmail.git] / functions / imap_asearch.php

<?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
 * @author Alex Lemaresquier - Brainstorm - alex at brainstorm.fr
 * See README file for infos.
 * @package squirrelmail
 *
 */

/** This functionality requires the IMAP and date functions */
require_once(SM_PATH . 'functions/imap_general.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'
);

$imap_error_titles = array(
	'OK' => '',
	'NO' => _("ERROR : Could not complete request."),
	'BAD' => _("ERROR : Bad or malformed request."),
	'BYE' => _("ERROR : Imap server closed the connection.")
);

function sqimap_asearch_error_box($response, $query, $message)
{
	global $imap_error_titles;

	//if (!array_key_exists($response, $imap_error_titles))	//php 4.0.6 compatibility
	if (!in_array($response, array_keys($imap_error_titles)))
		$title = _("ERROR : Unknown imap response.");
	else
		$title = $imap_error_titles[$response];
	$message_title = _("Reason Given: ");
	if (function_exists('sqimap_error_box'))
		sqimap_error_box($title, $query, $message_title, $message);
	else {	//Straight copy of 1.5 imap_general.php:sqimap_error_box(). Can be removed at a later time
		global $color;
    require_once(SM_PATH . 'functions/display_messages.php');
    $string = "<font color=$color[2]><b>\n" . $title . "</b><br>\n";
    if ($query != '')
        $string .= _("Query:") . ' ' . htmlspecialchars($query) . '<br>';
    if ($message_title != '')
        $string .= $message_title;
    if ($message != '')
        $string .= htmlspecialchars($message);
    $string .= "</font><br>\n";
    error_box($string,$color);
	}
}

/* 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(), except it doesn't handle hex constructs */
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_debug_dump($var_name, $var_var)
{
	global $imap_asearch_debug_dump;
	if ($imap_asearch_debug_dump) {
		if (function_exists('sm_print_r'))	//Only exists since 1.4.2
			sm_print_r($var_name, $var_var);	//Better be the 'varargs' version ;)
		else {
			echo '<pre>';
			echo htmlentities($var_name);
			print_r($var_var);
			echo '</pre>';
		}
	}
}

/*
4.3 String:
	A quoted string is a sequence of zero or more 7-bit characters,
	 excluding CR and LF, with double quote (<">) characters at each end.
9. Formal Syntax:
	quoted-specials = DQUOTE / "\"
*/
function sqimap_asearch_encode_string($what, $charset)
{
	if (strtoupper($charset) == 'ISO-2022-JP')	// This should be now handled in imap_utf7_local?
		$what = mb_convert_encoding($what, 'JIS', 'auto');
//if (ereg("[\"\\\r\n\x80-\xff]", $what))
	if (preg_match('/["\\\\\r\n\x80-\xff]/', $what))
		return '{' . strlen($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, backslash, 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, $charset)
{
	global $imap_asearch_opcodes;

	$criteria = '';
	switch ($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], $charset) . ' ' .
					sqimap_asearch_encode_string($what_parts[2], $charset) . ' ';
		break;
		case 'adate':
			$what_parts = sqimap_asearch_parse_date($what);
			if (isset($what_parts[0]))
				$criteria = $opcode . ' ' . $what_parts[0] . ' ';
		break;
		case 'akeyword':
		case 'astring':
			$criteria = $opcode . ' ' . sqimap_asearch_encode_string($what, $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 $uid_support;

	/* 6.4.4 try OPTIONAL [CHARSET] specification first */
	if ($search_charset != '')
		$query = 'SEARCH CHARSET "' . strtoupper($search_charset) . '" ALL ' . $search_string;
	else
		$query = 'SEARCH ALL ' . $search_string;
	s_debug_dump('C:', $query);
	$readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);

	/* 6.4.4 try US-ASCII charset if we tried an OPTIONAL [CHARSET] and received a tagged NO response (SHOULD be [BADCHARSET]) */
	if (($search_charset != '')  && (strtoupper($response) == 'NO')) {
		$query = 'SEARCH CHARSET US-ASCII ALL ' . $search_string;
		s_debug_dump('C:', $query);
		$readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
	}
	if (strtoupper($response) != 'OK') {
		sqimap_asearch_error_box($response, $query, $message);
		return array();
	}

	unset($messagelist);

	/* Keep going till we find the SEARCH response */
	foreach ($readin as $readin_part) {
		s_debug_dump('S:', $readin_part);
		/* Check to see if a SEARCH response was received */
		if (substr($readin_part, 0, 9) == '* SEARCH ') {
			$messagelist = preg_split("/ /", substr($readin_part, 9));
			break;	// Should be the last anyway
		}
/*	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) . ' -->';
	}*/

	if (empty($messagelist))	//Empty search response, ie '* SEARCH'
		return array();

	$cnt = count($messagelist);
	for ($q = 0; $q < $cnt; $q++)
		$id[$q] = trim($messagelist[$q]);
	return $id;
}

function sqimap_asearch_get_charset()
{
	global $allow_charset_search, $languages, $squirrelmail_language;

	if ($allow_charset_search)
		return $languages[$squirrelmail_language]['CHARSET'];
	return '';
}

/* 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)
{
	$search_charset = sqimap_asearch_get_charset();
	$mbox_msgs = array();
	$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) {
					s_debug_dump('C:SELECT:', $cur_mailbox);
					sqimap_mailbox_select($imapConnection, $cur_mailbox);
					if (isset($mbox_msgs[$cur_mailbox])) {
						if ($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 */
							$mbox_msgs[$cur_mailbox] = array_values(array_intersect(sqimap_run_search($imapConnection, $search_string, $search_charset), $mbox_msgs[$cur_mailbox]));
					}
					else /* No previous results */
						$mbox_msgs[$cur_mailbox] = sqimap_run_search($imapConnection, $search_string, $search_charset);
					if (empty($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)
								$next_biop = asearch_nz($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;
}

?>
Commit	Line	Data
cd33ec11	1	<?php
	2
	3	/**
	4	* imap_search.php
	5	*
	6	* Copyright (c) 1999-2003 The SquirrelMail Project Team
	7	* Licensed under the GNU GPL. For full terms see the file COPYING.
	8	*
	9	* IMAP asearch routines
d6c32258	10	* @author Alex Lemaresquier - Brainstorm - alex at brainstorm.fr
cd33ec11	11	* See README file for infos.
d6c32258	12	* @package squirrelmail
cd33ec11	13	*
	14	*/
	15
d6c32258	16	/** This functionality requires the IMAP and date functions */
ff6f916c	17	require_once(SM_PATH . 'functions/imap_general.php');
cd33ec11	18	require_once(SM_PATH . 'functions/date.php');
cd33ec11	19
d6c32258	20	/** Set to TRUE to dump the imap dialogue */
cd33ec11	21	$imap_asearch_debug_dump = FALSE;
	22
	23	$imap_asearch_opcodes = array(
	24	/* <message set> => 'asequence', */
	25	/'ALL' is binary operator /
	26	'ANSWERED' => '',
	27	'BCC' => 'astring',
	28	'BEFORE' => 'adate',
	29	'BODY' => 'astring',
	30	'CC' => 'astring',
	31	'DELETED' => '',
	32	'DRAFT' => '',
	33	'FLAGGED' => '',
	34	'FROM' => 'astring',
	35	'HEADER' => 'afield', /* Special syntax for this one, see below */
	36	'KEYWORD' => 'akeyword',
	37	'LARGER' => 'anum',
	38	'NEW' => '',
	39	/'NOT' is unary operator /
	40	'OLD' => '',
	41	'ON' => 'adate',
	42	/'OR' is binary operator /
	43	'RECENT' => '',
	44	'SEEN' => '',
	45	'SENTBEFORE' => 'adate',
	46	'SENTON' => 'adate',
	47	'SENTSINCE' => 'adate',
	48	'SINCE' => 'adate',
	49	'SMALLER' => 'anum',
	50	'SUBJECT' => 'astring',
	51	'TEXT' => 'astring',
	52	'TO' => 'astring',
	53	'UID' => 'asequence',
	54	'UNANSWERED' => '',
	55	'UNDELETED' => '',
	56	'UNDRAFT' => '',
	57	'UNFLAGGED' => '',
	58	'UNKEYWORD' => 'akeyword',
	59	'UNSEEN' => ''
	60	);
	61
	62	$imap_asearch_months = array(
	63	'01' => 'jan',
	64	'02' => 'feb',
	65	'03' => 'mar',
	66	'04' => 'apr',
	67	'05' => 'may',
	68	'06' => 'jun',
	69	'07' => 'jul',
	70	'08' => 'aug',
	71	'09' => 'sep',
	72	'10' => 'oct',
	73	'11' => 'nov',
	74	'12' => 'dec'
	75	);
	76
ff6f916c	77	$imap_error_titles = array(
	78	'OK' => '',
	79	'NO' => _("ERROR : Could not complete request."),
	80	'BAD' => _("ERROR : Bad or malformed request."),
	81	'BYE' => _("ERROR : Imap server closed the connection.")
	82	);
	83
	84	function sqimap_asearch_error_box($response, $query, $message)
	85	{
	86	global $imap_error_titles;
	87
	88	//if (!array_key_exists($response, $imap_error_titles)) //php 4.0.6 compatibility
	89	if (!in_array($response, array_keys($imap_error_titles)))
	90	$title = _("ERROR : Unknown imap response.");
	91	else
	92	$title = $imap_error_titles[$response];
b28bec15	93	$message_title = _("Reason Given: ");
	94	if (function_exists('sqimap_error_box'))
	95	sqimap_error_box($title, $query, $message_title, $message);
	96	else { //Straight copy of 1.5 imap_general.php:sqimap_error_box(). Can be removed at a later time
797784f9	97	global $color;
b28bec15	98	require_once(SM_PATH . 'functions/display_messages.php');
	99	$string = "<font color=$color[2]><b>\n" . $title . "</b><br>\n";
	100	if ($query != '')
	101	$string .= _("Query:") . ' ' . htmlspecialchars($query) . '<br>';
	102	if ($message_title != '')
	103	$string .= $message_title;
	104	if ($message != '')
	105	$string .= htmlspecialchars($message);
	106	$string .= "</font><br>\n";
	107	error_box($string,$color);
	108	}
ff6f916c	109	}
ff6f916c	110
cd33ec11	111	/* This is to avoid the E_NOTICE warnings signaled by marc AT squirrelmail.org. Thanks Marc! */
	112	function asearch_nz(&$var)
	113	{
	114	if (isset($var))
	115	return $var;
	116	return '';
	117	}
	118
b28bec15	119	/* This should give the same results as PHP 4 >= 4.3.0's html_entity_decode(), except it doesn't handle hex constructs */
cd33ec11	120	function asearch_unhtmlentities($string) {
	121	$trans_tbl = array_flip(get_html_translation_table(HTML_ENTITIES));
	122	for ($i=127; $i<255; $i++) /* Add &#<dec>; entities */
	123	$trans_tbl['&#' . $i . ';'] = chr($i);
	124	return strtr($string, $trans_tbl);
	125	/* I think the one above is quicker, though it should be benchmarked
	126	$string = strtr($string, array_flip(get_html_translation_table(HTML_ENTITIES)));
	127	return preg_replace("/&#([0-9]+);/E", "chr('\\1')", $string);
	128	*/
	129	}
	130
ff6f916c	131	function s_debug_dump($var_name, $var_var)
cd33ec11	132	{
cd33ec11	133	global $imap_asearch_debug_dump;
f9fb0d38	134	if ($imap_asearch_debug_dump) {
b28bec15	135	if (function_exists('sm_print_r')) //Only exists since 1.4.2
f9fb0d38	136	sm_print_r($var_name, $var_var); //Better be the 'varargs' version ;)
	137	else {
	138	echo '<pre>';
	139	echo htmlentities($var_name);
	140	print_r($var_var);
	141	echo '</pre>';
	142	}
	143	}
cd33ec11	144	}
cd33ec11	145
375b552d	146	/*
	147	4.3 String:
	148	A quoted string is a sequence of zero or more 7-bit characters,
	149	excluding CR and LF, with double quote (<">) characters at each end.
	150	9. Formal Syntax:
	151	quoted-specials = DQUOTE / "\"
	152	*/
f945228f	153	function sqimap_asearch_encode_string($what, $charset)
cd33ec11	154	{
f945228f	155	if (strtoupper($charset) == 'ISO-2022-JP') // This should be now handled in imap_utf7_local?
cd33ec11	156	$what = mb_convert_encoding($what, 'JIS', 'auto');
ff6f916c	157	//if (ereg("[\"\\\r\n\x80-\xff]", $what))
ff6f916c	158	if (preg_match('/["\\\\\r\n\x80-\xff]/', $what))
797784f9	159	return '{' . strlen($what) . "}\r\n" . $what; // 4.3 literal form
797784f9	160	return '"' . $what . '"'; // 4.3 quoted string form
cd33ec11	161	}
	162
	163	/*
	164	Parses a user date string into an rfc2060 date string (<day number>-<US month TLA>-<4 digit year>)
	165	Returns a preg_match-style array: [0]: fully formatted date, [1]: day, [2]: month, [3]: year
375b552d	166	Handles space, slash, backslash, dot and comma as separators (and dash of course ;=)
cd33ec11	167	*/
	168	function sqimap_asearch_parse_date($what)
	169	{
	170	global $imap_asearch_months;
	171
	172	$what = trim($what);
375b552d	173	$what = ereg_replace('[ /\\.,]+', '-', $what);
cd33ec11	174	if ($what) {
375b552d	175	preg_match('/^([0-9]+)-+([^\-]+)-+([0-9]+)$/', $what, $what_parts);
cd33ec11	176	if (count($what_parts) == 4) {
	177	$what_month = strtolower(asearch_unhtmlentities($what_parts[2]));
	178	/* if (!in_array($what_month, $imap_asearch_months)) {*/
	179	foreach ($imap_asearch_months as $month_number => $month_code) {
	180	if (($what_month == $month_number)
	181	\|\| ($what_month == $month_code)
	182	\|\| ($what_month == strtolower(asearch_unhtmlentities(getMonthName($month_number))))
	183	\|\| ($what_month == strtolower(asearch_unhtmlentities(getMonthAbrv($month_number))))
	184	) {
	185	$what_parts[2] = $month_number;
	186	$what_parts[0] = $what_parts[1] . '-' . $month_code . '-' . $what_parts[3];
	187	break;
	188	}
	189	}
	190	/* }*/
	191	}
	192	}
	193	else
	194	$what_parts = array();
	195	return $what_parts;
	196	}
	197
f945228f	198	function sqimap_asearch_build_criteria($opcode, $what, $charset)
cd33ec11	199	{
	200	global $imap_asearch_opcodes;
	201
375b552d	202	$criteria = '';
cd33ec11	203	switch ($imap_asearch_opcodes[$opcode]) {
	204	default:
	205	case 'anum':
	206	/* $what = str_replace(' ', '', $what);*/
	207	$what = ereg_replace('[^0-9]+', '', $what);
	208	if ($what != '')
	209	$criteria = $opcode . ' ' . $what . ' ';
	210	break;
	211	case '': /* aflag */
	212	$criteria = $opcode . ' ';
	213	break;
	214	case 'afield': /* HEADER field-name: field-body */
	215	preg_match('/^([^:]+):(.*)$/', $what, $what_parts);
	216	if (count($what_parts) == 3)
	217	$criteria = $opcode . ' ' .
f945228f	218	sqimap_asearch_encode_string($what_parts[1], $charset) . ' ' .
f945228f	219	sqimap_asearch_encode_string($what_parts[2], $charset) . ' ';
cd33ec11	220	break;
	221	case 'adate':
	222	$what_parts = sqimap_asearch_parse_date($what);
375b552d	223	if (isset($what_parts[0]))
cd33ec11	224	$criteria = $opcode . ' ' . $what_parts[0] . ' ';
	225	break;
	226	case 'akeyword':
	227	case 'astring':
f945228f	228	$criteria = $opcode . ' ' . sqimap_asearch_encode_string($what, $charset) . ' ';
cd33ec11	229	break;
	230	case 'asequence':
	231	$what = ereg_replace('[^0-9:\(\)]+', '', $what);
	232	if ($what != '')
	233	$criteria = $opcode . ' ' . $what . ' ';
	234	break;
	235	}
	236	return $criteria;
	237	}
	238
	239	function sqimap_run_search($imapConnection, $search_string, $search_charset)
	240	{
f945228f	241	global $uid_support;
cd33ec11	242
cd33ec11	243	/* 6.4.4 try OPTIONAL [CHARSET] specification first */
f945228f	244	if ($search_charset != '')
f945228f	245	$query = 'SEARCH CHARSET "' . strtoupper($search_charset) . '" ALL ' . $search_string;
cd33ec11	246	else
ff6f916c	247	$query = 'SEARCH ALL ' . $search_string;
ff6f916c	248	s_debug_dump('C:', $query);
ff6f916c	249	$readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
cd33ec11	250
f945228f	251	/* 6.4.4 try US-ASCII charset if we tried an OPTIONAL [CHARSET] and received a tagged NO response (SHOULD be [BADCHARSET]) */
	252	if (($search_charset != '') && (strtoupper($response) == 'NO')) {
	253	$query = 'SEARCH CHARSET US-ASCII ALL ' . $search_string;
ff6f916c	254	s_debug_dump('C:', $query);
f945228f	255	$readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
ff6f916c	256	}
	257	if (strtoupper($response) != 'OK') {
	258	sqimap_asearch_error_box($response, $query, $message);
	259	return array();
cd33ec11	260	}
	261
	262	unset($messagelist);
	263
	264	/* Keep going till we find the SEARCH response */
	265	foreach ($readin as $readin_part) {
ff6f916c	266	s_debug_dump('S:', $readin_part);
cd33ec11	267	/* Check to see if a SEARCH response was received */
	268	if (substr($readin_part, 0, 9) == '* SEARCH ') {
	269	$messagelist = preg_split("/ /", substr($readin_part, 9));
ff6f916c	270	break; // Should be the last anyway
cd33ec11	271	}
ff6f916c	272	/* else {
	273	if (isset($errors))
	274	$errors = $errors . $readin_part;
	275	else
	276	$errors = $readin_part;
	277	}*/
cd33ec11	278	}
	279
	280	/* If nothing is found * SEARCH should be the first error else echo errors */
ff6f916c	281	/*if (isset($errors)) {
cd33ec11	282	if (strstr($errors,'* SEARCH'))
	283	return array();
	284	echo '<!-- ' . htmlspecialchars($errors) . ' -->';
ff6f916c	285	}*/
cd33ec11	286
ff6f916c	287	if (empty($messagelist)) //Empty search response, ie '* SEARCH'
3f075f6c	288	return array();
3f075f6c	289
cd33ec11	290	$cnt = count($messagelist);
	291	for ($q = 0; $q < $cnt; $q++)
	292	$id[$q] = trim($messagelist[$q]);
	293	return $id;
	294	}
	295
f945228f	296	function sqimap_asearch_get_charset()
	297	{
	298	global $allow_charset_search, $languages, $squirrelmail_language;
	299
	300	if ($allow_charset_search)
	301	return $languages[$squirrelmail_language]['CHARSET'];
	302	return '';
	303	}
	304
cd33ec11	305	/* replaces $mbox_msgs[$search_mailbox] = array_values(array_unique(array_merge($mbox_msgs[$search_mailbox], sqimap_run_search($imapConnection, $search_string, $search_charset))));*/
	306	function sqimap_array_merge_unique($to, $from)
	307	{
	308	if (empty($to))
	309	return $from;
	310	for ($i=0; $i<count($from); $i++) {
	311	if (!in_array($from[$i], $to))
	312	$to[] = $from[$i];
	313	}
	314	return $to;
	315	}
	316
	317	function sqimap_asearch($imapConnection, $mailbox_array, $biop_array, $unop_array, $where_array, $what_array, $exclude_array, $mboxes_array)
	318	{
f945228f	319	$search_charset = sqimap_asearch_get_charset();
cd33ec11	320	$mbox_msgs = array();
cd33ec11	321	$search_string = '';
	322	$cur_mailbox = $mailbox_array[0];
	323	$cur_biop = ''; /* Start with ALL */
	324	/* We loop one more time than the real array count, so the last search gets fired */
	325	for ($cur_crit = 0; $cur_crit <= count($where_array); $cur_crit++) {
	326	if (empty($exclude_array[$cur_crit])) {
	327	$next_mailbox = $mailbox_array[$cur_crit];
	328	if ($next_mailbox != $cur_mailbox) {
	329	$search_string = trim($search_string); /* Trim out last space */
	330	if (($cur_mailbox == 'All Folders') && (!empty($mboxes_array)))
	331	$search_mboxes = $mboxes_array;
	332	else
	333	$search_mboxes = array($cur_mailbox);
	334	foreach ($search_mboxes as $cur_mailbox) {
ff6f916c	335	s_debug_dump('C:SELECT:', $cur_mailbox);
27907482	336	sqimap_mailbox_select($imapConnection, $cur_mailbox);
5ab3c3fe	337	if (isset($mbox_msgs[$cur_mailbox])) {
	338	if ($cur_biop == 'OR') /* Merge with previous results */
	339	$mbox_msgs[$cur_mailbox] = sqimap_array_merge_unique($mbox_msgs[$cur_mailbox], sqimap_run_search($imapConnection, $search_string, $search_charset));
	340	else /* Intersect previous results */
cd33ec11	341	$mbox_msgs[$cur_mailbox] = array_values(array_intersect(sqimap_run_search($imapConnection, $search_string, $search_charset), $mbox_msgs[$cur_mailbox]));
cd33ec11	342	}
5ab3c3fe	343	else /* No previous results */
5ab3c3fe	344	$mbox_msgs[$cur_mailbox] = sqimap_run_search($imapConnection, $search_string, $search_charset);
cd33ec11	345	if (empty($mbox_msgs[$cur_mailbox])) /* Can happen with intersect, and we need at the end a contiguous array */
	346	unset($mbox_msgs[$cur_mailbox]);
	347	}
	348	$cur_mailbox = $next_mailbox;
	349	$search_string = '';
	350	}
	351	if (isset($where_array[$cur_crit])) {
	352	$criteria = sqimap_asearch_build_criteria($where_array[$cur_crit], $what_array[$cur_crit], $search_charset);
	353	if (!empty($criteria)) {
	354	$unop = $unop_array[$cur_crit];
	355	if (!empty($unop))
	356	$criteria = $unop . ' ' . $criteria;
	357	/* We need to infix the next non-excluded criteria's biop if it's the same mailbox */
	358	$next_biop = '';
	359	for ($next_crit = $cur_crit+1; $next_crit <= count($where_array); $next_crit++) {
	360	if (empty($exclude_array[$next_crit])) {
	361	if (asearch_nz($mailbox_array[$next_crit]) == $cur_mailbox)
5ab3c3fe	362	$next_biop = asearch_nz($biop_array[$next_crit]);
cd33ec11	363	break;
	364	}
	365	}
	366	if ($next_biop == 'OR')
	367	$criteria = $next_biop . ' ' . $criteria;
	368	$search_string .= $criteria;
	369	$cur_biop = asearch_nz($biop_array[$cur_crit]);
	370	}
	371	}
	372	}
	373	}
	374	return $mbox_msgs;
	375	}
	376
d6c32258	377	?>