/**
* 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
*
- * $Id$
+ * Subfolder search idea from Patch #806075 by Thomas Pohl xraven at users.sourceforge.net. Thanks Thomas!
+ *
+ * @author Alex Lemaresquier - Brainstorm <alex at brainstorm.fr>
+ * @copyright © 1999-2007 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
* @package squirrelmail
+ * @subpackage imap
* @see search.php
- * @link ftp://ftp.rfc-editor.org/in-notes/rfc3501.txt
- * @author Alex Lemaresquier - Brainstorm - alex at brainstorm.fr
- *
- * Subfolder search idea from Patch #806075 by Thomas Pohl xraven at users.sourceforge.net. Thanks Thomas!
+ * @link http://www.ietf.org/rfc/rfc3501.txt
*/
-/** This functionality requires the IMAP and date functions */
-require_once(SM_PATH . 'functions/imap_general.php');
-require_once(SM_PATH . 'functions/date.php');
+/** 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
+/** Set to TRUE to dump the IMAP dialogue
* @global bool $imap_asearch_debug_dump
*/
$imap_asearch_debug_dump = FALSE;
-/** Imap SEARCH keys
+/** IMAP SEARCH keys
* @global array $imap_asearch_opcodes
*/
+global $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',
- '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' => '',
+ 'ANSWERED' => '',
+ 'BCC' => 'astring',
+ 'BEFORE' => 'adate',
+ 'BODY' => 'astring',
+ 'CC' => 'astring',
+ 'DELETED' => '',
+ 'DRAFT' => '',
+ 'FLAGGED' => '',
+ 'FROM' => 'astring',
+ 'HEADER' => 'afield', // Special syntax for this one, @see sqimap_asearch_build_criteria()
+ 'KEYWORD' => 'akeyword',
+ 'LARGER' => 'anum',
+ 'NEW' => '',
/*'NOT' is unary operator */
- 'OLD' => '',
- 'ON' => 'adate',
+ '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' => ''
+ '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 SEARCH month names encoding
+/** IMAP SEARCH month names encoding
* @global array $imap_asearch_months
*/
$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'
-);
-
-/** Error message titles according to imap server returned code
- * @global array $imap_error_titles
- */
-$imap_error_titles = array(
- 'OK' => '',
- 'NO' => _("ERROR : Could not complete request."),
- 'BAD' => _("ERROR : Bad or malformed request."),
- 'BYE' => _("ERROR : Imap server closed the connection."),
- '' => _("ERROR : Connection dropped by imap-server.")
+ '01' => 'jan',
+ '02' => 'feb',
+ '03' => 'mar',
+ '04' => 'apr',
+ '05' => 'may',
+ '06' => 'jun',
+ '07' => 'jul',
+ '08' => 'aug',
+ '09' => 'sep',
+ '10' => 'oct',
+ '11' => 'nov',
+ '12' => 'dec'
);
/**
- * Function to display an error related to an IMAP-query.
+ * Function to display an error related to an IMAP query.
* We need to do our own error management since we may receive NO responses on purpose (even BAD with SORT or THREAD)
* so we call sqimap_error_box() if the function exists (sm >= 1.5) or use our own embedded code
* @global array imap_error_titles
//@global array color sm colors array
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)))
- $title = _("ERROR : Unknown imap response.");
- else
- $title = $imap_error_titles[$response];
- 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, $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');
- $string = "<font color=$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);
- if ($link != '')
- $string .= $link;
- $string .= "</font><br>\n";
- error_box($string,$color);
- }
+ global $color;
+ // Error message titles according to IMAP server returned code
+ $imap_error_titles = array(
+ 'OK' => '',
+ 'NO' => _("ERROR: Could not complete request."),
+ 'BAD' => _("ERROR: Bad or malformed request."),
+ 'BYE' => _("ERROR: IMAP server closed the connection."),
+ '' => _("ERROR: Connection dropped by IMAP server.")
+ );
+
+
+ if (!array_key_exists($response, $imap_error_titles))
+ $title = _("ERROR: Unknown IMAP response.");
+ else
+ $title = $imap_error_titles[$response];
+ if ($link == '')
+ $message_title = _("Reason Given:");
+ else
+ $message_title = _("Possible reason:");
+ $message_title .= ' ';
+ sqimap_error_box($title, $query, $message_title, $message, $link);
}
/**
- * This is to avoid the E_NOTICE warnings signaled by marc AT squirrelmail.org. Thanks Marc!
+ * This is a convenient way to avoid spreading if (isset(... all over the code
* @param mixed $var any variable (reference)
- * @return mixed zls ('') if $var is not defined, otherwise $var
+ * @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 $var;
- return '';
+ if (isset($var))
+ return $var;
+ return $def;
}
/**
* @return string decoded string
*/
function asearch_unhtmlentities($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);
+ $trans_tbl = array_flip(get_html_translation_table(HTML_ENTITIES));
+ for ($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);
-*/
-}
-
-/**
- * Provide an easy way to dump the imap dialogue if $imap_asearch_debug_dump is TRUE
- * @global imap_asearch_debug_dump
- * @param string $var_name
- * @param string $var_var
+ $string = strtr($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>';
- }
- }
}
/** Encode a string to quoted or literal as defined in rfc 3501
*
- * - § 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 / "\"
+ * - 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 / "\"
* @param string $what string to encode
* @param string $charset search charset used
* @return string encoded string
*/
function sqimap_asearch_encode_string($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 '"' . $what . '"'; // 4.3 quoted string form
+ if (strtoupper($charset) == 'ISO-2022-JP') // This should be now handled in imap_utf7_local?
+ $what = mb_convert_encoding($what, 'JIS', 'auto');
+ if (preg_match('/["\\\\\r\n\x80-\xff]/', $what))
+ return '{' . strlen($what) . "}\r\n" . $what; // 4.3 literal form
+ return '"' . $what . '"'; // 4.3 quoted string form
}
/**
* Parses a user date string into an rfc 3501 date string
* Handles space, slash, backslash, dot and comma as separators (and dash of course ;=)
- * @global imap_asearch_months
+ * @global array imap_asearch_months
* @param string user date
* @return array a preg_match-style array:
* - [0] = fully formatted rfc 3501 date string (<day number>-<US month TLA>-<4 digit year>)
*/
function sqimap_asearch_parse_date($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;
+ 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;
+ global $imap_asearch_opcodes;
+
+ $criteria = '';
+ switch ($imap_asearch_opcodes[$opcode]) {
+ default:
+ case 'anum':
+ $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 = $opcode . ' ';
+ break;
+ case 'afield': /* HEADER field-name: field-body */
+ preg_match('/^([^:]+):(.*)$/', $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 $criteria;
}
/**
*/
function sqimap_array_merge_unique(&$to, $from)
{
- if (empty($to))
- return $from;
- $count = count($from);
- for ($i = 0; $i < $count; $i++) {
- if (!in_array($from[$i], $to))
- $to[] = $from[$i];
- }
- return $to;
+ if (empty($to))
+ return $from;
+ $count = count($from);
+ for ($i = 0; $i < $count; $i++) {
+ if (!in_array($from[$i], $to))
+ $to[] = $from[$i];
+ }
+ return $to;
}
/**
- * Run the imap SEARCH command as defined in rfc 3501
- * @link ftp://ftp.rfc-editor.org/in-notes/rfc3501.txt
+ * Run the IMAP SEARCH command as defined in rfc 3501
+ * @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 $search_charset charset to use or zls ('')
* @return array an IDs or UIDs array of matching messages or an empty array
+ * @since 1.5.0
*/
function sqimap_run_search($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, $message);
- return array();
- }
-
- // Keep going till we find the * SEARCH response
- foreach ($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
- $messagelist = sqimap_array_merge_unique($messagelist, preg_split("/ /", substr($readin_part, 9)));
- }
- }
-
- if (empty($messagelist)) //Empty search response, ie '* SEARCH'
- return array();
-
- $cnt = count($messagelist);
- for ($q = 0; $q < $cnt; $q++)
- $id[$q] = trim($messagelist[$q]);
- return $id;
-}
-
-/**
- * Run the imap SORT command as defined in
- * @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-13.txt
- * @param resource $imapConnection the current imap stream
- * @param string $search_string the full search expression as defined in rfc 3501
- * @param string $search_charset mandatory charset
- * @param string $sort_criteria the full sort criteria expression eg "SUBJECT REVERSE DATE"
- * @return array an IDs or UIDs array of matching messages or an empty array
- */
-function sqimap_run_sort($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;
- s_debug_dump('C:', $query);
- $readin = sqimap_run_command($imapConnection, $query, false, $response, $message, $uid_support);
- 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);
- 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, $search_charset); // Fell back to standard search
- }
-
- /* Keep going till we find the * SORT response */
- foreach ($readin as $readin_part) {
- s_debug_dump('S:', $readin_part);
- if (substr($readin_part, 0, 7) == '* SORT ') {
- //SORT returns untagged responses
- $messagelist = sqimap_array_merge_unique($messagelist, preg_split("/ /", substr($readin_part, 7)));
- }
- }
-
- if (empty($messagelist)) //Empty search response, ie '* SORT'
- return array();
-
- $cnt = count($messagelist);
- for ($q = 0; $q < $cnt; $q++)
- $id[$q] = trim($messagelist[$q]);
- return $id;
-}
-
-/**
- * Run the imap THREAD command as defined in
- * @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-13.txt
- * @param resource $imapConnection the current imap stream
- * @param string $search_string the full search expression as defined in rfc 3501
- * @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 $server_sort_array will be used by thread view in mailbox_display
- */
-function sqimap_run_thread($imapConnection, $search_string, $search_charset, $thread_algorithm)
-{
- global $thread_new, $server_sort_array;
-
- if (sqsession_is_registered('thread_new'))
- sqsession_unregister('thread_new');
- if (sqsession_is_registered('server_sort_array'))
- sqsession_unregister('server_sort_array');
-
- $thread_new = array();
- $thread_new[0] = "";
-
- $server_sort_array = array();
-
- global $uid_support;
-
- if ($search_charset == '')
- $search_charset = 'US-ASCII';
- $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);
- 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);
- 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
-*/
- 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, $search_charset); // Fell back to standard search
- }
-
- /* Keep going till we find the * THREAD response */
- foreach ($readin as $readin_part) {
- s_debug_dump('S:', $readin_part);
- if (substr($readin_part, 0, 9) == '* THREAD ') {
- $thread_temp = preg_split("//", substr($readin_part, 9), -1, PREG_SPLIT_NO_EMPTY);
- break; // Should be the last anyway
- }
- }
-
- if (empty($thread_temp)) //Empty search response, ie '* THREAD'
- return array();
-
- $char_count = count($thread_temp);
- $counter = 0;
- $k = 0;
- for ($i=0;$i<$char_count;$i++) {
- if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
- $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
- }
- elseif ($thread_temp[$i] == '(') {
- $thread_new[$k] .= $thread_temp[$i];
- $counter++;
- }
- elseif ($thread_temp[$i] == ')') {
- if ($counter > 1) {
- $thread_new[$k] .= $thread_temp[$i];
- $counter = $counter - 1;
- }
- else {
- $thread_new[$k] .= $thread_temp[$i];
- $k++;
- $thread_new[$k] = "";
- $counter = $counter - 1;
- }
- }
- }
- sqsession_register($thread_new, 'thread_new');
- $thread_new = array_reverse($thread_new);
- $thread_list = implode(" ", $thread_new);
- $thread_list = str_replace("(", " ", $thread_list);
- $thread_list = str_replace(")", " ", $thread_list);
- $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
- $server_sort_array = $thread_list;
- sqsession_register($server_sort_array, 'server_sort_array');
- return $thread_list;
+ //For some reason, this seems to happen and forbids searching servers not allowing OPTIONAL [CHARSET]
+ if (strtoupper($search_charset) == 'US-ASCII')
+ $search_charset = '';
+ /* 6.4.4 try OPTIONAL [CHARSET] specification first */
+ if ($search_charset != '')
+ $query = 'SEARCH CHARSET "' . strtoupper($search_charset) . '" ' . $search_string;
+ else
+ $query = 'SEARCH ' . $search_string;
+ $readin = sqimap_run_command_list($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 ' . $search_string;
+ $readin = sqimap_run_command_list($imapConnection, $query, false, $response, $message, TRUE);
+ }
+ if (strtoupper($response) != 'OK') {
+ sqimap_asearch_error_box($response, $query, $message);
+ return array();
+ }
+ $messagelist = parseUidList($readin,'SEARCH');
+
+ 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;
+ global $allow_charset_search, $languages, $squirrelmail_language;
- if ($allow_charset_search)
- return $languages[$squirrelmail_language]['CHARSET'];
- return '';
+ if ($allow_charset_search)
+ return $languages[$squirrelmail_language]['CHARSET'];
+ return '';
}
/**
- * Convert sm internal sort to imap sort taking care of:
+ * Convert SquirrelMail internal sort to IMAP sort taking care of:
* - user defined date sorting (ARRIVAL vs DATE)
* - 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 index
- * @global bool $internal_date_sort sort by arrival date instead of message date
- * @global string $sent_folder sent folder name
+ * @global bool internal_date_sort sort by arrival date instead of message date
+ * @global string sent_folder sent folder name
* @return string imap sort criteria
*/
function sqimap_asearch_get_sort_criteria($mailbox, $sort_by)
{
- global $internal_date_sort, $sent_folder;
-
- $sort_opcodes = array ('DATE', 'FROM', 'SUBJECT', 'SIZE');
- if ($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) & 3];
+ global $internal_date_sort, $sent_folder;
+
+ $sort_opcodes = array ('DATE', 'FROM', 'SUBJECT', 'SIZE');
+ if ($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) & 3];
}
/**
* @param array $boxes_unformatted selectable mailbox unformatted names array (reference)
* @return array sub mailboxes unformatted names
*/
-function sqimap_asearch_get_sub_mailboxes($cur_mailbox, $mboxes_array)
+function sqimap_asearch_get_sub_mailboxes($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;
+ $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
+ * Create the search query strings for all given criteria and merge results for every mailbox
* @param resource $imapConnection
- * @param array $mailbox_array
- * @param array $biop_array
- * @param array $unop_array
- * @param array $where_array
- * @param array $what_array
- * @param array $exclude_array
- * @param array $sub_array
- * @param array $mboxes_array selectable unformatted mailboxes names
- * @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 $mbox_msgs array(mailbox => array(UIDs))
+ * @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 $mboxes_array selectable unformatted mailboxes names (reference)
+ * @return array array(mailbox => array(UIDs))
*/
-function sqimap_asearch($imapConnection, $mailbox_array, $biop_array, $unop_array, $where_array, $what_array, $exclude_array, $sub_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, $sort_by_ref;
- global $data_dir, $username;
- $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')
- $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) {
- s_debug_dump('C:SELECT:', $cur_mailbox);
- sqimap_mailbox_select($imapConnection, $cur_mailbox);
- $thread_sort_messages = $allow_thread_sort && getPref($data_dir, $username, 'thread_' . $cur_mailbox);
- if ($thread_sort_messages) {
- if ($sort_by_ref == 1)
- $thread_algorithm = 'REFERENCES';
- else
- $thread_algorithm = 'ORDEREDSUBJECT';
- $found_msgs = sqimap_run_thread($imapConnection, $search_string, $search_charset, $thread_algorithm);
- }
- else
- if (($allow_server_sort) && ($sort < 6)) {
- $sort_criteria = sqimap_asearch_get_sort_criteria($cur_mailbox, $sort);
- $found_msgs = sqimap_run_sort($imapConnection, $search_string, $search_charset, $sort_criteria);
- }
- else
- $found_msgs = sqimap_run_search($imapConnection, $search_string, $search_charset);
- if (isset($mbox_msgs[$cur_mailbox])) {
- if ($cur_biop == 'OR') /* Merge with previous results */
- $mbox_msgs[$cur_mailbox] = sqimap_array_merge_unique($mbox_msgs[$cur_mailbox], $found_msgs);
- else /* Intersect previous results */
- $mbox_msgs[$cur_mailbox] = array_values(array_intersect($found_msgs, $mbox_msgs[$cur_mailbox]));
- }
- else /* No previous results */
- $mbox_msgs[$cur_mailbox] = $found_msgs;
- if (empty($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;
+ $search_charset = sqimap_asearch_get_charset();
+ $mbox_search = 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,$iCnt=count($where_array); $cur_crit <= $iCnt; ++$cur_crit) {
+ if (empty($exclude_array[$cur_crit])) {
+ $next_mailbox = (isset($mailbox_array[$cur_crit])) ? $mailbox_array[$cur_crit] : false;
+ if ($next_mailbox != $cur_mailbox) {
+ $search_string = trim($search_string); /* Trim out last space */
+ 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 $cur_mailbox) {
+ if (isset($mbox_search[$cur_mailbox])) {
+ $mbox_search[$cur_mailbox]['search'] .= ' ' . $search_string;
+ } else {
+ $mbox_search[$cur_mailbox]['search'] = $search_string;
+ }
+ $mbox_search[$cur_mailbox]['charset'] = $search_charset;
+ }
+ $cur_mailbox = $next_mailbox;
+ $search_string = '';
+ }
+ if (isset($where_array[$cur_crit]) && empty($exclude_array[$cur_crit])) {
+ $aCriteria = array();
+ for ($crit = $cur_crit; $crit < count($where_array); $crit++) {
+ $criteria = trim(sqimap_asearch_build_criteria($where_array[$crit], $what_array[$crit], $search_charset));
+ if (!empty($criteria) && empty($exclude_array[$crit])) {
+ if (asearch_nz($mailbox_array[$crit]) == $cur_mailbox) {
+ $unop = $unop_array[$crit];
+ if (!empty($unop)) {
+ $criteria = $unop . ' ' . $criteria;
+ }
+ $aCriteria[] = array($biop_array[$crit], $criteria);
+ }
+ }
+ // unset something
+ $exclude_array[$crit] = true;
+ }
+ $aSearch = array();
+ for($i=0,$iCnt=count($aCriteria);$i<$iCnt;++$i) {
+ $cur_biop = $aCriteria[$i][0];
+ $next_biop = (isset($aCriteria[$i+1][0])) ? $aCriteria[$i+1][0] : false;
+ if ($next_biop != $cur_biop && $next_biop == 'OR') {
+ $aSearch[] = 'OR '.$aCriteria[$i][1];
+ } else if ($cur_biop != 'OR') {
+ $aSearch[] = 'ALL '.$aCriteria[$i][1];
+ } else { // OR only supports 2 search keys so we need to create a parenthesized list
+ $prev_biop = (isset($aCriteria[$i-1][0])) ? $aCriteria[$i-1][0] : false;
+ if ($prev_biop == $cur_biop) {
+ $last = $aSearch[$i-1];
+ if (!substr($last,-1) == ')') {
+ $aSearch[$i-1] = "(OR $last";
+ $aSearch[] = $aCriteria[$i][1].')';
+ } else {
+ $sEnd = '';
+ while ($last && substr($last,-1) == ')') {
+ $last = substr($last,0,-1);
+ $sEnd .= ')';
+ }
+ $aSearch[$i-1] = "(OR $last";
+ $aSearch[] = $aCriteria[$i][1].$sEnd.')';
+ }
+ } else {
+ $aSearch[] = $aCriteria[$i][1];
+ }
+ }
+ }
+ $search_string .= implode(' ',$aSearch);
+ }
+ }
+ }
+ return ($mbox_search);
}
-
-?>