/**
* imap_search.php
*
- * Copyright (c) 1999-2003 The SquirrelMail Project Team
+ * Copyright (c) 1999-2004 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
+ *
+ * Subfolder search idea from Patch #806075 by Thomas Pohl xraven at users.sourceforge.net. Thanks Thomas!
+ *
+ * @version $Id$
* @package squirrelmail
+ * @subpackage imap
* @see search.php
- *
+ * @link http://www.ietf.org/rfc/rfc3501.txt
+ * @author Alex Lemaresquier - Brainstorm - alex at brainstorm.fr
*/
-/** This functionality requires the IMAP and date functions */
+/** This functionality requires the IMAP and date functions
+ */
require_once(SM_PATH . 'functions/imap_general.php');
require_once(SM_PATH . 'functions/date.php');
*/
$imap_asearch_debug_dump = FALSE;
-/** Array of imap SEARCH opcodes
+/** Imap SEARCH keys
* @global array $imap_asearch_opcodes
*/
$imap_asearch_opcodes = array(
-/* <message set> => 'asequence', */
+/* <sequence-set> => 'asequence', */ // Special handling, @see sqimap_asearch_build_criteria()
/*'ALL' is binary operator */
'ANSWERED' => '',
'BCC' => 'astring',
'DRAFT' => '',
'FLAGGED' => '',
'FROM' => 'astring',
- 'HEADER' => 'afield', /* Special syntax for this one, see below */
+ 'HEADER' => 'afield', // Special syntax for this one, @see sqimap_asearch_build_criteria()
'KEYWORD' => 'akeyword',
'LARGER' => 'anum',
'NEW' => '',
'OK' => '',
'NO' => _("ERROR : Could not complete request."),
'BAD' => _("ERROR : Bad or malformed request."),
- 'BYE' => _("ERROR : Imap server closed the connection.")
+ 'BYE' => _("ERROR : Imap server closed the connection."),
+ '' => _("ERROR : Connection dropped by imap-server.")
);
/**
* @global array imap_error_titles
* @param string $response the imap server response code
* @param string $query the failed query
- * @param string $message the error message
+ * @param string $message an optional error message
+ * @param string $link an optional link to try again
*/
//@global array color sm colors array
-function sqimap_asearch_error_box($response, $query, $message)
+function sqimap_asearch_error_box($response, $query, $message, $link = '')
{
global $imap_error_titles;
- //if (!array_key_exists($response, $imap_error_titles)) //php 4.0.6 compatibility
- if (!in_array($response, array_keys($imap_error_titles)))
+ if (!array_key_exists($response, $imap_error_titles))
$title = _("ERROR : Unknown imap response.");
else
$title = $imap_error_titles[$response];
- $message_title = _("Reason Given: ");
+ if ($link == '')
+ $message_title = _("Reason Given: ");
+ else
+ $message_title = _("Possible reason : ");
if (function_exists('sqimap_error_box'))
- sqimap_error_box($title, $query, $message_title, $message);
+ sqimap_error_box($title, $query, $message_title, $message, $link);
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 .= $message_title;
if ($message != '')
$string .= htmlspecialchars($message);
+ if ($link != '')
+ $string .= $link;
$string .= "</font><br>\n";
error_box($string,$color);
}
}
/**
- * This is to avoid the E_NOTICE warnings signaled by marc AT squirrelmail.org. Thanks Marc!
- * @param mixed $var any variable
- * @return mixed zls ('') if $var is not defined, otherwise $var
+ * This is a convenient way to avoid spreading if (isset(... all over the code
+ * @param mixed $var any variable (reference)
+ * @param mixed $def default value to return if unset (default is zls (''), pass 0 or array() when appropriate)
+ * @return mixed $def if $var is unset, otherwise $var
*/
-function asearch_nz(&$var)
+function asearch_nz(&$var, $def = '')
{
if (isset($var))
return $var;
- return '';
+ return $def;
}
/**
/**
* Provide an easy way to dump the imap dialogue if $imap_asearch_debug_dump is TRUE
- * @global imap_asearch_debug_dump
+ * @global bool imap_asearch_debug_dump
* @param string $var_name
* @param string $var_var
*/
/**
* Parses a user date string into an rfc 3501 date string
* Handles space, slash, backslash, dot and comma as separators (and dash of course ;=)
- * @global imap_asearch_months
+ * @global array imap_asearch_months
* @param string user date
* @return array a preg_match-style array:
* - [0] = fully formatted rfc 3501 date string (<day number>-<US month TLA>-<4 digit year>)
switch ($imap_asearch_opcodes[$opcode]) {
default:
case 'anum':
-// $what = str_replace(' ', '', $what);
- $what = ereg_replace('[^0-9]+', '', $what);
- if ($what != '')
+ $what = str_replace(' ', '', $what);
+ $what = ereg_replace('[^0-9]+[^KMG]$', '', strtoupper($what));
+ if ($what != '') {
+ switch (substr($what, -1)) {
+ case 'G':
+ $what = substr($what, 0, -1) << 30;
+ break;
+ case 'M':
+ $what = substr($what, 0, -1) << 20;
+ break;
+ case 'K':
+ $what = substr($what, 0, -1) << 10;
+ break;
+ }
$criteria = $opcode . ' ' . $what . ' ';
+ }
break;
case '': //aflag
$criteria = $opcode . ' ';
/**
* Another way to do array_values(array_unique(array_merge($to, $from)));
- * @param array $to to array
+ * @param array $to to array (reference)
* @param array $from from array
* @return array uniquely merged array
*/
-function sqimap_array_merge_unique($to, $from)
+function sqimap_array_merge_unique(&$to, $from)
{
if (empty($to))
return $from;
/**
* Run the imap SEARCH command as defined in rfc 3501
- * @link ftp://ftp.rfc-editor.org/in-notes/rfc3501.txt
+ * @link http://www.ietf.org/rfc/rfc3501.txt
* @param resource $imapConnection the current imap stream
* @param string $search_string the full search expression eg "ALL RECENT"
* @param string $search_charset charset to use or zls ('')
*/
function sqimap_run_search($imapConnection, $search_string, $search_charset)
{
- global $uid_support;
-
+ //For some reason, this seems to happen and forbids searching servers not allowing OPTIONAL [CHARSET]
+ if (strtoupper($search_charset) == 'US-ASCII')
+ $search_charset = '';
/* 6.4.4 try OPTIONAL [CHARSET] specification first */
if ($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);
+ $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, TRUE);
/* 6.4.4 try US-ASCII charset if we tried an OPTIONAL [CHARSET] and received a tagged NO response (SHOULD be [BADCHARSET]) */
if (($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);
+ $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, TRUE);
}
if (strtoupper($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:', $readin_part);
if (substr($readin_part, 0, 9) == '* SEARCH ') {
//EIMS returns multiple SEARCH responses, and this allowed according to Mark Crispin
- $messagelist = sqimap_array_merge_unique($message_list, preg_split("/ /", substr($readin_part, 9)));
+ $messagelist = sqimap_array_merge_unique($messagelist, preg_split("/ /", substr($readin_part, 9)));
}
}
*/
function sqimap_run_sort($imapConnection, $search_string, $search_charset, $sort_criteria)
{
- global $uid_support;
-
if ($search_charset == '')
$search_charset = 'US-ASCII';
- $query = 'SORT (' . $sort_criteria . ') ' . strtoupper($search_charset) . ' ALL ' . $search_string;
+ $query = 'SORT (' . $sort_criteria . ') "' . strtoupper($search_charset) . '" ALL ' . $search_string;
s_debug_dump('C:', $query);
- $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
+ $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, TRUE);
+ s_debug_dump('S:', $response);
/* 6.4 try US-ASCII charset if we received a tagged NO response (SHOULD be [BADCHARSET]) */
if (($search_charset != 'US-ASCII') && (strtoupper($response) == 'NO')) {
+ s_debug_dump('S:', $readin);
$query = 'SORT (' . $sort_criteria . ') US-ASCII ALL ' . $search_string;
s_debug_dump('C:', $query);
- $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
+ $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, TRUE);
+ s_debug_dump('S:', $response);
}
if (strtoupper($response) != 'OK') {
+ s_debug_dump('S:', $readin);
// sqimap_asearch_error_box($response, $query, $message);
// return array();
return sqimap_run_search($imapConnection, $search_string, $search_charset); // Fell back to standard search
s_debug_dump('S:', $readin_part);
if (substr($readin_part, 0, 7) == '* SORT ') {
//SORT returns untagged responses
- $messagelist = sqimap_array_merge_unique($message_list, preg_split("/ /", substr($readin_part, 7)));
+ $messagelist = sqimap_array_merge_unique($messagelist, preg_split("/ /", substr($readin_part, 7)));
}
}
* @param string $search_charset mandatory charset
* @param string $thread_algorithm the threading algorithm "ORDEREDSUBJECT" or "REFERENCES"
* @return array an IDs or UIDs array of matching messages or an empty array
- * @global array $thread_new will be used by thread view in mailbox_display
- * @global array $server_sort_array will be used by thread view in mailbox_display
+ * @global array thread_new will be used by thread view in mailbox_display
+ * @global array server_sort_array will be used by thread view in mailbox_display
*/
function sqimap_run_thread($imapConnection, $search_string, $search_charset, $thread_algorithm)
{
$server_sort_array = array();
- global $uid_support;
-
if ($search_charset == '')
$search_charset = 'US-ASCII';
- $query = 'THREAD ' . $thread_algorithm . ' ' . strtoupper($search_charset) . ' ALL ' . $search_string;
+ $query = 'THREAD ' . $thread_algorithm . ' "' . strtoupper($search_charset) . '" ALL ' . $search_string;
s_debug_dump('C:', $query);
- $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
+ $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, TRUE);
+ s_debug_dump('S:', $response);
/* 6.4 try US-ASCII charset if we received a tagged NO response (SHOULD be [BADCHARSET]) */
if (($search_charset != 'US-ASCII') && (strtoupper($response) == 'NO')) {
+ s_debug_dump('S:', $readin);
$query = 'THREAD ' . $thread_algorithm . ' US-ASCII ALL ' . $search_string;
s_debug_dump('C:', $query);
- $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
+ $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, TRUE);
+ s_debug_dump('S:', $response);
}
if (strtoupper($response) != 'OK') {
+ s_debug_dump('S:', $readin);
+ if (empty($response)) { //imap server closed connection. We can't go further.
/* we should at this point:
- warn the user that the THREAD call has failed
- (offer him a way to) disconnect it permanently in the prefs
- perform the regular search instead or provide a way to do it in one click
*/
-// sqimap_asearch_error_box($response, $query, $message);
-// return array();
- return sqimap_run_search($imapConnection, $search_string, $search_charset); // Fell back to standard search
+ global $sort, $mailbox, $php_self;
+ $message = _("The imap server failed to handle threading.");
+ $unthread = _("Click here to unset thread view for this mailbox and start again.");
+ if (preg_match('/^(.+)\?.+$/', $php_self, $regs))
+ $source_url = $regs[1];
+ else
+ $source_url = $php_self;
+ $link = '<a href=' . $source_url . '?sort=' . $sort . '&start_messages=1&set_thread=0&mailbox=' . urlencode($mailbox) . '>' . $unthread . '</a>';
+ sqimap_asearch_error_box($response, $query, $message, $link);
+ return array();
+ }
+ return sqimap_run_search($imapConnection, $search_string, $search_charset); // Fell back to standard search
}
/* Keep going till we find the * THREAD response */
* - if the searched mailbox is the sent folder then TO is being used instead of FROM
* - reverse order by using REVERSE
* @param string $mailbox mailbox name to sort
- * @param integer $sort_by sm sort criteria
+ * @param integer $sort_by sm sort criteria index
+ * @global bool internal_date_sort sort by arrival date instead of message date
+ * @global string sent_folder sent folder name
* @return string imap sort criteria
*/
function sqimap_asearch_get_sort_criteria($mailbox, $sort_by)
{
global $internal_date_sort, $sent_folder;
- $sort_opcodes = array ('DATE', 'FROM', 'SUBJECT');
+ $sort_opcodes = array ('DATE', 'FROM', 'SUBJECT', 'SIZE');
if ($internal_date_sort == true)
$sort_opcodes[0] = 'ARRIVAL';
// if (handleAsSent($mailbox))
// if (isSentFolder($mailbox))
if ($mailbox == $sent_folder)
$sort_opcodes[1] = 'TO';
- return (($sort_by % 2) ? '' : 'REVERSE ') . $sort_opcodes[$sort_by >> 1];
+ return (($sort_by % 2) ? '' : 'REVERSE ') . $sort_opcodes[($sort_by >> 1) & 3];
+}
+
+/**
+ * @param string $cur_mailbox unformatted mailbox name
+ * @param array $boxes_unformatted selectable mailbox unformatted names array (reference)
+ * @return array sub mailboxes unformatted names
+ */
+function sqimap_asearch_get_sub_mailboxes($cur_mailbox, &$mboxes_array)
+{
+ $sub_mboxes_array = array();
+ $boxcount = count($mboxes_array);
+ for ($boxnum=0; $boxnum < $boxcount; $boxnum++) {
+ if (isBoxBelow($mboxes_array[$boxnum], $cur_mailbox))
+ $sub_mboxes_array[] = $mboxes_array[$boxnum];
+ }
+ return $sub_mboxes_array;
}
/**
* Performs the search, given all the criteria, merging results for every mailbox
+ * @param resource $imapConnection
+ * @param array $mailbox_array (reference)
+ * @param array $biop_array (reference)
+ * @param array $unop_array (reference)
+ * @param array $where_array (reference)
+ * @param array $what_array (reference)
+ * @param array $exclude_array (reference)
+ * @param array $sub_array (reference)
+ * @param array $mboxes_array selectable unformatted mailboxes names (reference)
+ * @global bool allow_server_sort comes from config.php
+ * @global integer sort sm internal sort order
+ * @global bool allow_thread_sort comes from config.php
+ * @global bool thread_sort_messages does it really need to global?
+ * @global integer sort_by_ref thread by references
+ * @global string data_dir
+ * @global string username
* @return array array(mailbox => array(UIDs))
*/
-function sqimap_asearch($imapConnection, $mailbox_array, $biop_array, $unop_array, $where_array, $what_array, $exclude_array, $mboxes_array)
+function sqimap_asearch($imapConnection, &$mailbox_array, &$biop_array, &$unop_array, &$where_array, &$what_array, &$exclude_array, &$sub_array, &$mboxes_array)
{
- global $allow_server_sort, $sort, $allow_thread_sort, $thread_sort_messages;
+ global $allow_server_sort, $sort, $allow_thread_sort, $thread_sort_messages, $sort_by_ref;
global $data_dir, $username;
$search_charset = sqimap_asearch_get_charset();
$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 = $mboxes_array;
+ if ($cur_mailbox == 'All Folders')
+ $search_mboxes = $mboxes_array;
+ else if ((!empty($sub_array[$cur_crit - 1])) || (!in_array($cur_mailbox, $mboxes_array)))
+ $search_mboxes = sqimap_asearch_get_sub_mailboxes($cur_mailbox, $mboxes_array);
else
$search_mboxes = array($cur_mailbox);
foreach ($search_mboxes as $cur_mailbox) {
sqimap_mailbox_select($imapConnection, $cur_mailbox);
$thread_sort_messages = $allow_thread_sort && getPref($data_dir, $username, 'thread_' . $cur_mailbox);
if ($thread_sort_messages) {
- $thread_algorithm = 'REFERENCES';
+ if ($sort_by_ref == 1)
+ $thread_algorithm = 'REFERENCES';
+ else
+ $thread_algorithm = 'ORDEREDSUBJECT';
$found_msgs = sqimap_run_thread($imapConnection, $search_string, $search_charset, $thread_algorithm);
}
else