functions/imap_search.php

   1 <?php
   2
   3 /**
   4  * imap_search.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * IMAP search routines
  10  *
  11  * $Id$
  12  */
  13
  14 require_once(SM_PATH . 'functions/imap.php');
  15 require_once(SM_PATH . 'functions/date.php');
  16 require_once(SM_PATH . 'functions/mailbox_display.php');
  17 require_once(SM_PATH . 'functions/mime.php');
  18
  19 function sqimap_search($imapConnection, $search_where, $search_what, $mailbox,
  20                        $color, $search_position = '', $search_all, $count_all) {
  21
  22     global $message_highlight_list, $squirrelmail_language, $languages,
  23            $index_order, $pos, $allow_charset_search, $uid_support,
  24            $imap_server_type;
  25
  26     $pos = $search_position;
  27
  28     $urlMailbox = urlencode($mailbox);
  29
  30     /* construct the search query, taking multiple search terms into account */
  31     $multi_search = array();
  32     $search_what  = trim($search_what);
  33     $search_what  = ereg_replace('[ ]{2,}', ' ', $search_what);
  34     $multi_search = explode(' ', $search_what);
  35     $search_string = '';
  36
  37     /* it seems macosx does not support the prefered search
  38        syntax so we fall back to the older style. This IMAP
  39        server has a problem with multiple search terms. Instead
  40        of returning the messages that match all the terms it
  41        returns the messages that match each term. Could be fixed
  42        on the client side, but should be fixed on the server
  43        as per the RFC */
  44
  45     if ($imap_server_type == 'macosx') {
  46         foreach ($multi_search as $multi_search_part) {
  47             if (strtoupper($languages[$squirrelmail_language]['CHARSET']) == 'ISO-2022-JP') {
  48                 $multi_search_part = mb_convert_encoding($multi_search_part, 'JIS', 'auto');
  49             }
  50             $search_string .= $search_where . ' ' .$multi_search_part . ' ';
  51         }
  52     }
  53     else {
  54         foreach ($multi_search as $multi_search_part) {
  55             if (strtoupper($languages[$squirrelmail_language]['CHARSET']) == 'ISO-2022-JP') {
  56                 $multi_search_part = mb_convert_encoding($multi_search_part, 'JIS', 'auto');
  57             }
  58             $search_string .= $search_where . ' {' . strlen($multi_search_part)
  59                 . "}\r\n" . $multi_search_part . ' ';
  60         }
  61     }
  62
  63     $search_string = trim($search_string);
  64
  65     /* now use $search_string in the imap search */
  66     if ($allow_charset_search && isset($languages[$squirrelmail_language]['CHARSET']) &&
  67         $languages[$squirrelmail_language]['CHARSET']) {
  68         $ss = "SEARCH CHARSET "
  69             . strtoupper($languages[$squirrelmail_language]['CHARSET'])
  70             . " ALL $search_string";
  71     } else {
  72         $ss = "SEARCH ALL $search_string";
  73     }
  74
  75     /* read data back from IMAP */
  76     $readin = sqimap_run_command($imapConnection, $ss, false, $result, $message, $uid_support);
  77
  78     /* try US-ASCII charset if search fails */
  79     if (isset($languages[$squirrelmail_language]['CHARSET'])
  80         && strtolower($result) == 'no') {
  81         $ss = "SEARCH CHARSET \"US-ASCII\" ALL $search_string";
  82         $readin = sqimap_run_command ($imapConnection, $ss, true,
  83                                       $result, $message);
  84     }
  85
  86     unset($messagelist);
  87
  88     /* Keep going till we find the SEARCH response */
  89     foreach ($readin as $readin_part) {
  90         /* Check to see if a SEARCH response was received */
  91         if (substr($readin_part, 0, 9) == '* SEARCH ') {
  92             $messagelist = preg_split("/ /", substr($readin_part, 9));
  93         } else if (isset($errors)) {
  94             $errors = $errors.$readin_part;
  95         } else {
  96             $errors = $readin_part;
  97         }
  98     }
  99
 100     /* If nothing is found * SEARCH should be the first error else echo errors */
 101     if (isset($errors)) {
 102         if (strstr($errors,'* SEARCH')) {
 103             return array();
 104         }
 105         echo '<!-- '.htmlspecialchars($errors) .' -->';
 106     }
 107
 108
 109     global $sent_folder;
 110
 111     $cnt = count($messagelist);
 112     for ($q = 0; $q < $cnt; $q++) {
 113         $id[$q] = trim($messagelist[$q]);
 114     }
 115     $issent = ($mailbox == $sent_folder);
 116
 117     $msgs = fillMessageArray($imapConnection,$id,$cnt);
 118
 119     return $msgs;
 120 }
 121
 122
 123
 124 ?>