X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fimap_mailbox.php;h=f6c8d42ac6daf858ed1656115e0cc547d49088e4;hb=97b1248c028b0c59ccd28a094dffa41720b29006;hp=35fe479e8fb098dac5bb540bf05b5588de2c3a8c;hpb=2d367c687f9813a45a3d2f1911036cfc0425fdd0;p=squirrelmail.git

diff --git a/functions/imap_mailbox.php b/functions/imap_mailbox.php
index 35fe479e..f6c8d42a 100755
--- a/functions/imap_mailbox.php
+++ b/functions/imap_mailbox.php
@@ -1,468 +1,605 @@
 <?php
 
-   /**
-    **  imap_mailbox.php
-    **  Copyright (c) 1999-2001 The Squirrelmail Development Team
-    **  Licensed under the GNU GPL. For full terms see the file COPYING.        
-    **
-    **  This impliments all functions that manipulate mailboxes
-    **
-    **  $Id$
-    **/
-
-   if (defined ('imap_mailbox_php'))
-      return;
-   define ('imap_mailbox_php', true);
-
-   /******************************************************************************
-    **  Expunges a mailbox 
-    ******************************************************************************/
-   function sqimap_mailbox_expunge ($imap_stream, $mailbox,$handle_errors = true) {
-      fputs ($imap_stream, sqimap_session_id() . " EXPUNGE\r\n");
-      $read = sqimap_read_data($imap_stream, sqimap_session_id(), $handle_errors, $response, $message);
-   }
-
-
-   /******************************************************************************
-    **  Checks whether or not the specified mailbox exists 
-    ******************************************************************************/
-   function sqimap_mailbox_exists ($imap_stream, $mailbox) {
-      if (! isset($mailbox))
-          return false;
-      fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"$mailbox\"\r\n");
-      $mbx = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
-      return isset($mbx[0]);
-   }
-
-   /******************************************************************************
-    **  Selects a mailbox
-    ******************************************************************************/
-   function sqimap_mailbox_select ($imap_stream, $mailbox, $hide=true, $recent=false) {
-      global $auto_expunge;
-
-      if( $mailbox == 'None' )
-          return;
-
-      fputs ($imap_stream, sqimap_session_id() . " SELECT \"$mailbox\"\r\n");
-             $read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
-      if ($recent) {
-         for ($i=0; $i<count($read); $i++) {
+/**
+ * imap_mailbox.php
+ *
+ * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This impliments all functions that manipulate mailboxes
+ *
+ * $Id$
+ */
+
+global $boxesnew;
+
+/**
+ * If $haystack is a full mailbox name, and $needle is the mailbox
+ * separator character, returns the second last part of the full
+ * mailbox name (i.e. the mailbox's parent mailbox)
+ */
+function readMailboxParent($haystack, $needle) {
+
+    if ($needle == '') {
+        $ret = '';
+    } else {
+        $parts = explode($needle, $haystack);
+        $elem = array_pop($parts);
+        while ($elem == '' && count($parts)) {
+            $elem = array_pop($parts);
+        }
+        $ret = join($needle, $parts);
+    }
+    return( $ret );
+}
+
+
+function isBoxBelow( $box2, $box1 ) {
+    global $delimiter, $folder_prefix, $imap_server_type;
+
+    if ( $imap_server_type == 'uw' ) {
+        $boxs = $box2;
+        $i = strpos( $box1, $delimiter, strlen( $folder_prefix ) );
+        if ( $i === false ) {
+            $i = strlen( $box2 );
+        }
+    } else {
+        $boxs = $box2 . $delimiter;
+        /* Skip next second delimiter */
+        $i = strpos( $box1, $delimiter );
+        $i = strpos( $box1, $delimiter, $i + 1  );
+        if ( $i === false ) {
+            $i = strlen( $box2 );
+        } else {
+            $i++;
+        }
+    }
+
+    return ( substr( $box1, 0, $i ) == substr( $boxs, 0, $i ) );
+}
+
+/* Defines special mailboxes */
+function isSpecialMailbox( $box ) {
+    global $trash_folder, $sent_folder, $draft_folder,
+           $move_to_trash, $move_to_sent, $save_as_draft;
+
+    $ret = ( (strtolower($box) == 'inbox') ||
+             ( $move_to_trash && isBoxBelow( $box, $trash_folder ) ) ||
+             ( $move_to_sent && isBoxBelow( $box, $sent_folder )) ||
+             ($save_as_draft && $box == $draft_folder ) );
+
+    if ( !$ret ) {
+        $ret = do_hook_function( 'special_mailbox', $box );
+    }
+
+    return $ret;
+}
+
+/* Expunges a mailbox */
+function sqimap_mailbox_expunge ($imap_stream, $mailbox, $handle_errors = true) {
+    $read = sqimap_run_command($imap_stream, 'EXPUNGE', $handle_errors,
+                               $response, $message);
+}
+
+/* Checks whether or not the specified mailbox exists */
+function sqimap_mailbox_exists ($imap_stream, $mailbox) {
+    if (! isset($mailbox)) {
+        return false;
+    }
+    $mbx = sqimap_run_command($imap_stream, "LIST \"\" \"$mailbox\"",
+                              true, $response, $message);
+    return isset($mbx[0]);
+}
+
+/* Selects a mailbox */
+function sqimap_mailbox_select ($imap_stream, $mailbox,
+                                $hide = true, $recent = false, $extrainfo = false) {
+    global $auto_expunge;
+
+    if ( $mailbox == 'None' ) {
+        return;
+    }
+
+    $read = sqimap_run_command($imap_stream, "SELECT \"$mailbox\"",
+                               true, $response, $message);
+    if ($recent) {
+        for ($i=0; $i<count($read); $i++) {
             if (strpos(strtolower($read[$i]), 'recent')) {
-               $r = explode(' ', $read[$i]);
+                $r = explode(' ', $read[$i]);
             }
-         }
-         return $r[1];
-      }
-      if ($auto_expunge) {
-         fputs ($imap_stream, sqimap_session_id() . " EXPUNGE\r\n");
-         $tmp = sqimap_read_data($imap_stream, sqimap_session_id(), false, $a, $b);
-      }   
-   }
-
-   
-
-   /******************************************************************************
-    **  Creates a folder 
-    ******************************************************************************/
-   function sqimap_mailbox_create ($imap_stream, $mailbox, $type) {
-      global $delimiter;
-      if (strtolower($type) == 'noselect') {
-         $mailbox = $mailbox.$delimiter;
-      }
-      fputs ($imap_stream, sqimap_session_id() . " CREATE \"$mailbox\"\r\n");
-      $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
-
-      sqimap_subscribe ($imap_stream, $mailbox);
-   }
-
-
-
-   /******************************************************************************
-    **  Subscribes to an existing folder 
-    ******************************************************************************/
-   function sqimap_subscribe ($imap_stream, $mailbox) {
-      fputs ($imap_stream, sqimap_session_id() . " SUBSCRIBE \"$mailbox\"\r\n");
-      $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
-   }
-
-
-
-
-   /******************************************************************************
-    **  Unsubscribes to an existing folder 
-    ******************************************************************************/
-   function sqimap_unsubscribe ($imap_stream, $mailbox) {
-                global $imap_server_type;
-
-      fputs ($imap_stream, sqimap_session_id() . " UNSUBSCRIBE \"$mailbox\"\r\n");
-      $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
-   }
-
-
-
-   
-   /******************************************************************************
-    **  This function simply deletes the given folder
-    ******************************************************************************/
-   function sqimap_mailbox_delete ($imap_stream, $mailbox) {
-      fputs ($imap_stream, sqimap_session_id() . " DELETE \"$mailbox\"\r\n");
-      $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
-      sqimap_unsubscribe ($imap_stream, $mailbox);
-   }
-   
-   /***********************************************************************
-    ** Determines if the user is subscribed to the folder or not
-    **********************************************************************/
-   function sqimap_mailbox_is_subscribed($imap_stream, $folder) {
-       $boxes = sqimap_mailbox_list ($imap_stream);
-       foreach ($boxes as $ref) {
-          if ($ref['unformatted'] == $folder)
-	     return true;
-       }
-       return false;
-   }
-      
-
-
-   /******************************************************************************
-    **  Formats a mailbox into 4 parts for the $boxes array
-    **
-    **  The four parts are:
-    **
-    **    raw            - Raw LIST/LSUB response from the IMAP server
-    **    formatted      - nicely formatted folder name
-    **    unformatted    - unformatted, but with delimiter at end removed
-    **    unformatted-dm - folder name as it appears in raw response
-    **    unformatted-disp - unformatted without $folder_prefix
-    **
-    ******************************************************************************/
-   function sqimap_mailbox_parse ($line, $line_lsub) {
-      global $folder_prefix, $delimiter;
-     
-      // Process each folder line
-      for ($g=0; $g < count($line); $g++) {
-
-         // Store the raw IMAP reply
-         if (isset($line[$g]))
-            $boxes[$g]["raw"] = $line[$g];
-         else
-            $boxes[$g]["raw"] = "";
-
-
-         // Count number of delimiters ($delimiter) in folder name
-         $mailbox = trim($line_lsub[$g]);
-         $dm_count = countCharInString($mailbox, $delimiter);
-         if (substr($mailbox, -1) == $delimiter)
-            $dm_count--;  // If name ends in delimiter - decrement count by one
-
-         // Format folder name, but only if it's a INBOX.* or have
-         // a parent.
-         $boxesbyname[$mailbox] = $g;
-         $parentfolder = readMailboxParent($mailbox, $delimiter);
-         if((strtolower(substr($mailbox, 0, 5)) == "inbox") ||
-            (substr($mailbox, 0, strlen($folder_prefix)) == $folder_prefix) ||
-            (isset($boxesbyname[$parentfolder]) && (strlen($parentfolder) > 0) ) ) {
-            $indent = $dm_count - (countCharInString($folder_prefix, $delimiter));
-            if ($indent > 0)
-                $boxes[$g]["formatted"]  = str_repeat("&nbsp;&nbsp;", $indent);
-            else
-                $boxes[$g]["formatted"] = '';
-            $boxes[$g]["formatted"] .= readShortMailboxName($mailbox, $delimiter);
-         } else {
-            $boxes[$g]["formatted"]  = $mailbox;
-         }
-            
-         $boxes[$g]['unformatted-dm'] = $mailbox;
-         if (substr($mailbox, -1) == $delimiter)
+        }
+        return $r[1];
+    } else {
+        if ($auto_expunge) {
+            $tmp = sqimap_run_command($imap_stream, 'EXPUNGE', false, $a, $b);
+        }
+        if (isset( $extrainfo ) && $extrainfo) {
+            $result = array();
+            for ($i=0; $i<count($read); $i++) {
+                if (preg_match("/PERMANENTFLAGS(.*)/i",$read[$i], $regs)) {
+                    $regs[1]=trim(preg_replace (  array ("/\(/","/\)/","/\]/") ,'', $regs[1])) ;
+                    $result['PERMANENTFLAGS'] = $regs[1];
+                }
+                else if (preg_match("/FLAGS(.*)/i",$read[$i], $regs)) {
+                    $regs[1]=trim(preg_replace (  array ("/\(/","/\)/") ,'', $regs[1])) ;
+                    $result['FLAGS'] = $regs[1];
+                }
+                else if (preg_match("/(.*)EXISTS/i",$read[$i], $regs)) {
+                    $result['EXISTS']=trim($regs[1]);
+                }
+                else if (preg_match("/(.*)RECENT/i",$read[$i], $regs)) {
+                    $result['RECENT']=trim($regs[1]);
+                }
+                else if (preg_match("/\[UNSEEN(.*)\]/i",$read[$i], $regs)) {
+                    $result['UNSEEN']=trim($regs[1]);
+                }
+
+            }
+            return( $result );
+        }
+    }
+}
+
+/* Creates a folder */
+function sqimap_mailbox_create ($imap_stream, $mailbox, $type) {
+    global $delimiter;
+    if (strtolower($type) == 'noselect') {
+        $mailbox .= $delimiter;
+    }
+    $read_ary = sqimap_run_command($imap_stream, "CREATE \"$mailbox\"",
+                                   true, $response, $message);
+    sqimap_subscribe ($imap_stream, $mailbox);
+}
+
+/* Subscribes to an existing folder */
+function sqimap_subscribe ($imap_stream, $mailbox) {
+    $read_ary = sqimap_run_command($imap_stream, "SUBSCRIBE \"$mailbox\"",
+                                   true, $response, $message);
+}
+
+/* Unsubscribes to an existing folder */
+function sqimap_unsubscribe ($imap_stream, $mailbox) {
+    global $imap_server_type;
+    $read_ary = sqimap_run_command($imap_stream, "UNSUBSCRIBE \"$mailbox\"",
+                                   true, $response, $message);
+}
+
+/* Deletes the given folder */
+function sqimap_mailbox_delete ($imap_stream, $mailbox) {
+    $read_ary = sqimap_run_command($imap_stream, "DELETE \"$mailbox\"",
+                                   true, $response, $message);
+    sqimap_unsubscribe ($imap_stream, $mailbox);
+    do_hook_function("rename_or_delete_folder", $args = array($mailbox, 'delete', ''));
+}
+
+/* Determines if the user is subscribed to the folder or not */
+function sqimap_mailbox_is_subscribed($imap_stream, $folder) {
+    $boxesall = sqimap_mailbox_list ($imap_stream);
+    foreach ($boxesall as $ref) {
+        if ($ref['unformatted'] == $folder) {
+            return true;
+        }
+    }
+    return false;
+}
+
+/* Renames a mailbox */
+function sqimap_mailbox_rename( $imap_stream, $old_name, $new_name ) {
+    if ( $old_name != $new_name ) {
+        global $delimiter, $imap_server_type;
+        if ( substr( $old_name, -1 ) == $delimiter  ) {
+            $old_name = substr( $old_name, 0, strlen( $old_name ) - 1 );
+            $new_name = substr( $new_name, 0, strlen( $new_name ) - 1 );
+            $postfix = $delimiter;
+        } else {
+            $postfix = '';
+        }
+        $boxesall = sqimap_mailbox_list($imap_stream);
+        $cmd = 'RENAME "' . quoteIMAP($old_name) . '" "' .  quoteIMAP($new_name) . '"';
+        $data = sqimap_run_command($imap_stream, $cmd, true, $response, $message);
+        sqimap_unsubscribe($imap_stream, $old_name.$postfix);
+        sqimap_subscribe($imap_stream, $new_name.$postfix);
+        do_hook_function("rename_or_delete_folder",$args = array($old_name, 'rename', $new_name));
+        $l = strlen( $old_name ) + 1;
+        $p = 'unformatted';
+        foreach ( $boxesall as $box ) {
+            if ( substr( $box[$p], 0, $l ) == $old_name . $delimiter ) {
+                $new_sub = $new_name . $delimiter . substr($box[$p], $l);
+                if ($imap_server_type == 'cyrus') {
+                    $cmd = 'RENAME "' . quoteIMAP($box[$p]) . '" "' .  quoteIMAP($new_sub) . '"';
+                    $data = sqimap_run_command($imap_stream, $cmd, true,
+                                               $response, $message);
+                }
+                sqimap_unsubscribe($imap_stream, $box[$p]);
+                sqimap_subscribe($imap_stream, $new_sub);
+                do_hook_function("rename_or_delete_folder",
+                                 $args = array($box[$p], 'rename', $new_sub));
+            }
+        }
+    }
+}
+
+/*
+ * Formats a mailbox into 4 parts for the $boxesall array
+ *
+ * The four parts are:
+ *
+ *     raw            - Raw LIST/LSUB response from the IMAP server
+ *     formatted      - nicely formatted folder name
+ *     unformatted    - unformatted, but with delimiter at end removed
+ *     unformatted-dm - folder name as it appears in raw response
+ *     unformatted-disp - unformatted without $folder_prefix
+ */
+function sqimap_mailbox_parse ($line, $line_lsub) {
+    global $folder_prefix, $delimiter;
+
+    /* Process each folder line */
+    for ($g=0; $g < count($line); $g++) {
+
+        /* Store the raw IMAP reply */
+        if (isset($line[$g])) {
+            $boxesall[$g]["raw"] = $line[$g];
+        }
+        else {
+            $boxesall[$g]["raw"] = '';
+        }
+
+
+        /* Count number of delimiters ($delimiter) in folder name */
+        $mailbox = trim($line_lsub[$g]);
+        $dm_count =  substr_count($mailbox, $delimiter);
+        if (substr($mailbox, -1) == $delimiter) {
+            /* If name ends in delimiter, decrement count by one */
+            $dm_count--;
+        }
+
+        /* Format folder name, but only if it's a INBOX.* or has a parent. */
+        $boxesallbyname[$mailbox] = $g;
+        $parentfolder = readMailboxParent($mailbox, $delimiter);
+        if ( (strtolower(substr($mailbox, 0, 5)) == "inbox") ||
+             (substr($mailbox, 0, strlen($folder_prefix)) == $folder_prefix) ||
+             ( isset($boxesallbyname[$parentfolder]) &&
+               (strlen($parentfolder) > 0) ) ) {
+            $indent = $dm_count - ( substr_count($folder_prefix, $delimiter));
+            if ($indent > 0) {
+                $boxesall[$g]['formatted']  = str_repeat('&nbsp;&nbsp;', $indent);
+            }
+            else {
+                $boxesall[$g]['formatted'] = '';
+            }
+            $boxesall[$g]['formatted'] .= readShortMailboxName($mailbox, $delimiter);
+        }
+        else {
+            $boxesall[$g]['formatted']  = $mailbox;
+        }
+
+        $boxesall[$g]['unformatted-dm'] = $mailbox;
+        if (substr($mailbox, -1) == $delimiter) {
             $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
-         $boxes[$g]['unformatted'] = $mailbox;
-         if (substr($mailbox,0,strlen($folder_prefix))==$folder_prefix)
+        }
+        $boxesall[$g]['unformatted'] = $mailbox;
+        if (substr($mailbox,0,strlen($folder_prefix))==$folder_prefix) {
             $mailbox = substr($mailbox, strlen($folder_prefix));
-         $boxes[$g]['unformatted-disp'] = $mailbox;
-         $boxes[$g]['id'] = $g;
+        }
+        $boxesall[$g]['unformatted-disp'] = $mailbox;
+        $boxesall[$g]['id'] = $g;
 
-         $boxes[$g]['flags'] = array();
-         if (isset($line[$g])) {
+        $boxesall[$g]['flags'] = array();
+        if (isset($line[$g])) {
             ereg("\(([^)]*)\)",$line[$g],$regs);
             $flags = trim(strtolower(str_replace('\\', '',$regs[1])));
-            if ($flags)
-               $boxes[$g]['flags'] = explode(' ', $flags);
-	 }
-      }
-
-      return $boxes;
-   }
-   
-   /* Apparently you must call a user function with usort instead
-    * of calling a built-in directly.  Stupid.
-    * Patch from dave_michmerhuizen@yahoo.com
-    * Allows case insensitivity when sorting folders
-    */
-   function user_strcasecmp($a, $b)
-   {
-       return strcasecmp($a, $b);
-   }
-
-
-   /******************************************************************************
-    **  Returns sorted mailbox lists in several different ways.
-    **  See comment on sqimap_mailbox_parse() for info about the returned array.
-    ******************************************************************************/
-   function sqimap_mailbox_list ($imap_stream) {
-      global $data_dir, $username, $list_special_folders_first;
-      global $folder_prefix, $trash_folder, $sent_folder, $draft_folder;
-      global $move_to_trash, $move_to_sent, $save_as_draft;
-      global $delimiter;
-
-      $inbox_in_list = false;
-      $inbox_subscribed = false;
-
-      require_once('../src/load_prefs.php');
-      require_once('../functions/array.php');
-
-      /** LSUB array **/
-      fputs ($imap_stream, sqimap_session_id() . " LSUB \"$folder_prefix\" \"*\"\r\n");
-      $lsub_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
-      
-      // Section about removing the last element was removed
-      // We don't return "* OK" anymore from sqimap_read_data
-
-      $sorted_lsub_ary = array();
-      for ($i=0;$i < count($lsub_ary); $i++) {
-         // Workaround for EIMS
-         // Doesn't work if the mailbox name is multiple lines
-         if (isset($lsub_ary[$i + 1]) &&
-	     ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$", 
-	          $lsub_ary[$i], $regs)) {
-	    $i ++;
-	    $lsub_ary[$i] = $regs[1] . '"' . addslashes(trim($lsub_ary[$i])) .
-	       '"' . $regs[2];
-	 }
-	 $temp_mailbox_name = find_mailbox_name($lsub_ary[$i]);
-         $sorted_lsub_ary[] = $temp_mailbox_name;
-         if (strtoupper($temp_mailbox_name) == 'INBOX')
-            $inbox_subscribed = true;
-      }
-      $new_ary = array();
-      for ($i=0; $i < count($sorted_lsub_ary); $i++) {
-         if (!in_array($sorted_lsub_ary[$i], $new_ary)) {
-            $new_ary[] = $sorted_lsub_ary[$i];
-         }
-      }
-      $sorted_lsub_ary = $new_ary;
-      if (isset($sorted_lsub_ary)) {
-         usort($sorted_lsub_ary, 'user_strcasecmp');
-         //sort($sorted_lsub_ary);
-      }   
-
-      /** LIST array **/
-      $sorted_list_ary = array();
-      for ($i=0; $i < count($sorted_lsub_ary); $i++) {
-         if (substr($sorted_lsub_ary[$i], -1) == $delimiter)
-            $mbx = substr($sorted_lsub_ary[$i], 0, strlen($sorted_lsub_ary[$i])-1);
-         else
-            $mbx = $sorted_lsub_ary[$i];
-
-         fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"$mbx\"\r\n");
-         $read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
-	 // Another workaround for EIMS
-         if (isset($read[1]) && 
-	     ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$", 
-	          $read[0], $regs)) {
-	    $read[0] = $regs[1] . '"' . addslashes(trim($read[1])) .
-	       '"' . $regs[2];
-	 }
-         if (isset($sorted_list_ary[$i]))
-            $sorted_list_ary[$i] = "";
-         if (isset($read[0]))
-            $sorted_list_ary[$i] = $read[0];
-         else
-            $sorted_list_ary[$i] = "";
-         if (isset($sorted_list_ary[$i]) && 
-	     strtoupper(find_mailbox_name($sorted_list_ary[$i])) == "INBOX")
-            $inbox_in_list = true;
-      }
-                
-      /**
-       * Just in case they're not subscribed to their inbox,
-       * we'll get it for them anyway
-       */
-      if ($inbox_subscribed == false || $inbox_in_list == false) {
-         fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"INBOX\"\r\n");
-         $inbox_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
-	 // Another workaround for EIMS
-         if (isset($inbox_ary[1]) &&
-	     ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$", 
-	          $inbox_ary[0], $regs)) {
-	    $inbox_ary[0] = $regs[1] . '"' . addslashes(trim($inbox_ary[1])) .
-	       '"' . $regs[2];
-	 }
-
-         $sorted_list_ary[] = $inbox_ary[0];
-         $sorted_lsub_ary[] = find_mailbox_name($inbox_ary[0]);
-      }
-
-      $boxes = sqimap_mailbox_parse ($sorted_list_ary, $sorted_lsub_ary);
-
-      /** Now, lets sort for special folders **/
-      $boxesnew = Array();
-
-      /* Find INBOX */
-      for ($i = 0; $i < count($boxes); $i++) {
-         if (strtolower($boxes[$i]["unformatted"]) == "inbox") {
-            $boxesnew[] = $boxes[$i];
-            $used[$i] = true;
-            $i = count($boxes);
-         }
-      }
-
-      /* List special folders and their subfolders, if requested. */
-      if ($list_special_folders_first == true) {
-         /* First list the trash folder. */
-         for ($i = 0 ; $i < count($boxes) ; $i++) {
-            if ($move_to_trash &&
-                   eregi('^' . quotemeta($trash_folder) . '(' .
-                     quotemeta($delimiter) . '.*)?$', $boxes[$i]['unformatted'])) {
-               $boxesnew[] = $boxes[$i];
-               $used[$i] = true;
+            if ($flags) {
+                $boxesall[$g]['flags'] = explode(' ', $flags);
+            }
+        }
+    }
+
+    return $boxesall;
+}
+
+/*
+ * Sorting function used to sort mailbox names.
+ *     + Original patch from dave_michmerhuizen@yahoo.com
+ *     + Allows case insensitivity when sorting folders
+ *     + Takes care of the delimiter being sorted to the end, causing
+ *       subfolders to be listed in below folders that are prefixed
+ *       with their parent folders name.
+ *
+ *       For example: INBOX.foo, INBOX.foobar, and INBOX.foo.bar
+ *       Without special sort function: foobar between foo and foo.bar
+ *       With special sort function: foobar AFTER foo and foo.bar :)
+ */
+function user_strcasecmp($a, $b) {
+    global $delimiter;
+
+    /* Calculate the length of some strings. */
+    $a_length = strlen($a);
+    $b_length = strlen($b);
+    $min_length = min($a_length, $b_length);
+    $delimiter_length = strlen($delimiter);
+
+    /* Set the initial result value. */
+    $result = 0;
+
+    /* Check the strings... */
+    for ($c = 0; $c < $min_length; ++$c) {
+        $a_del = substr($a, $c, $delimiter_length);
+        $b_del = substr($b, $c, $delimiter_length);
+
+        if (($a_del == $delimiter) && ($b_del == $delimiter)) {
+            $result = 0;
+        } else if (($a_del == $delimiter) && ($b_del != $delimiter)) {
+            $result = -1;
+        } else if (($a_del != $delimiter) && ($b_del == $delimiter)) {
+            $result = 1;
+        } else {
+            $result = strcasecmp($a{$c}, $b{$c});
+        }
+
+        if ($result != 0) {
+            break;
+        }
+    }
+
+    /* If one string is a prefix of the other... */
+    if ($result == 0) {
+        if ($a_length < $b_length) {
+            $result = -1;
+        } else if ($a_length > $b_length) {
+            $result = 1;
+        }
+    }
+
+    return $result;
+}
+
+
+/*
+ * Returns sorted mailbox lists in several different ways. 
+ * See comment on sqimap_mailbox_parse() for info about the returned array.
+ */
+function sqimap_mailbox_list($imap_stream) {
+    global $boxesnew, $default_folder_prefix;
+
+    if ( !isset( $boxesnew ) ) {
+
+        global $data_dir, $username, $list_special_folders_first,
+               $folder_prefix, $trash_folder, $sent_folder, $draft_folder,
+               $move_to_trash, $move_to_sent, $save_as_draft,
+               $delimiter;
+
+        $inbox_in_list = false;
+        $inbox_subscribed = false;
+
+        require_once('../src/load_prefs.php');
+        require_once('../functions/array.php');
+
+        /* LSUB array */
+        $lsub_ary = sqimap_run_command ($imap_stream, "LSUB \"$folder_prefix\" \"*%\"",
+                                        true, $response, $message);
+
+        /*
+         * Section about removing the last element was removed 
+         * We don't return "* OK" anymore from sqimap_read_data
+         */
+
+        $sorted_lsub_ary = array();
+        for ($i=0;$i < count($lsub_ary); $i++) {
+            /*
+             * Workaround for EIMS
+             * Doesn't work if the mailbox name is multiple lines
+             */
+            if (isset($lsub_ary[$i + 1]) &&
+                ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$",
+                     $lsub_ary[$i], $regs)) {
+                $i ++;
+                $lsub_ary[$i] = $regs[1] . '"' . addslashes(trim($lsub_ary[$i])) . '"' . $regs[2];
+            }
+            $temp_mailbox_name = find_mailbox_name($lsub_ary[$i]);
+            $sorted_lsub_ary[] = $temp_mailbox_name;
+            if (strtoupper($temp_mailbox_name) == 'INBOX') {
+                $inbox_subscribed = true;
+            }
+        }
+        $new_ary = array();
+        for ($i=0; $i < count($sorted_lsub_ary); $i++) {
+            if (!in_array($sorted_lsub_ary[$i], $new_ary)) {
+                $new_ary[] = $sorted_lsub_ary[$i];
+            }
+        }
+        $sorted_lsub_ary = $new_ary;
+        if (isset($sorted_lsub_ary)) {
+            usort($sorted_lsub_ary, 'user_strcasecmp');
+        }
+
+        /* LIST array */
+        $sorted_list_ary = array();
+        for ($i=0; $i < count($sorted_lsub_ary); $i++) {
+            if (substr($sorted_lsub_ary[$i], -1) == $delimiter) {
+                $mbx = substr($sorted_lsub_ary[$i], 0, strlen($sorted_lsub_ary[$i])-1);
             }
-         }
-
-         /* Then list the sent folder. */
-         for ($i = 0 ; $i < count($boxes) ; $i++) {
-            if ($move_to_sent &&
-                  eregi('^' . quotemeta($sent_folder) . '(' .
-                    quotemeta($delimiter) . '.*)?$', $boxes[$i]['unformatted'])) {
-               $boxesnew[] = $boxes[$i];
-               $used[$i] = true;
+            else {
+                $mbx = $sorted_lsub_ary[$i];
             }
-         }
-
-         /* Lastly, list the list the draft folder. */
-         for ($i = 0 ; $i < count($boxes) ; $i++) {
-            if ($save_as_draft &&
-                  eregi('^' . quotemeta($draft_folder) . '(' .
-                    quotemeta($delimiter) . '.*)?$', $boxes[$i]['unformatted'])) {
-               $boxesnew[] = $boxes[$i];
-               $used[$i] = true;
+
+            $read = sqimap_run_command ($imap_stream, "LIST \"\" \"$mbx\"",
+                                        true, $response, $message);
+            /* Another workaround for EIMS */
+            if (isset($read[1]) &&
+                ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$",
+                     $read[0], $regs)) {
+                $read[0] = $regs[1] . '"' . addslashes(trim($read[1])) . '"' . $regs[2];
+            }
+
+            if (isset($sorted_list_ary[$i])) {
+                $sorted_list_ary[$i] = '';
+            }
+
+            if (isset($read[0])) {
+                $sorted_list_ary[$i] = $read[0];
             }
-         }
-
-         /* Put INBOX.* folders ahead of the rest. */
-         for ($i = 0; $i < count($boxes); $i++) {
-            if (eregi('^inbox\\.', $boxes[$i]["unformatted"]) &&
-                (!isset($used[$i]) || $used[$i] == false)) {
-               $boxesnew[] = $boxes[$i];
-               $used[$i] = true;
+            else {
+                $sorted_list_ary[$i] = '';
             }
-         }
-      }
-
-      // Rest of the folders
-      for ($i = 0; $i < count($boxes); $i++) {
-         if ((strtolower($boxes[$i]["unformatted"]) != "inbox") &&
-             (!isset($used[$i]) || $used[$i] == false))  {
-            $boxesnew[] = $boxes[$i];
-            $used[$i] = true;
-         }
-      }
-
-      return $boxesnew;
-   }
-   
-   /******************************************************************************
-    **  Returns a list of all folders, subscribed or not
-    ******************************************************************************/
-   function sqimap_mailbox_list_all ($imap_stream) {
-      global $list_special_folders_first, $folder_prefix;
-      global $delimiter;
-
-      if (!function_exists ("ary_sort"))
-         include_once('../functions/array.php');
-
-      $ssid = sqimap_session_id();
-      $lsid = strlen( $ssid ); 
-      fputs ($imap_stream, $ssid . " LIST \"$folder_prefix\" *\r\n");
-      $read_ary = sqimap_read_data ($imap_stream, $ssid, true, $response, $message);
-      $g = 0;
-      $phase = "inbox";
-
-      for ($i = 0; $i < count($read_ary); $i++) {
-         // Another workaround for EIMS
-			if (isset($read_ary[$i + 1]) &&
-			  ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$", 
-			  $read_ary[$i], $regs)) {
-			 $i ++;
-			 $read_ary[$i] = $regs[1] . '"' . 
-			    addslashes(trim($read_ary[$i])) .
-			    '"' . $regs[2];
-			}
-         if (substr ($read_ary[$i], 0, $lsid) != $ssid ) {
-
-            // Store the raw IMAP reply
-            $boxes[$g]["raw"] = $read_ary[$i];
-
-            // Count number of delimiters ($delimiter) in folder name
+
+            if (isset($sorted_list_ary[$i]) &&
+                strtoupper(find_mailbox_name($sorted_list_ary[$i])) == 'INBOX') {
+                $inbox_in_list = true;
+            }
+        }
+
+        /*
+         * Just in case they're not subscribed to their inbox,
+         * we'll get it for them anyway
+         */
+        if (!$inbox_subscribed || !$inbox_in_list) {
+            $inbox_ary = sqimap_run_command ($imap_stream, "LIST \"\" \"INBOX\"",
+                                             true, $response, $message);
+            /* Another workaround for EIMS */
+            if (isset($inbox_ary[1]) &&
+                ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$",
+                     $inbox_ary[0], $regs)) {
+                $inbox_ary[0] = $regs[1] . '"' . addslashes(trim($inbox_ary[1])) .
+                    '"' . $regs[2];
+            }
+
+            $sorted_list_ary[] = $inbox_ary[0];
+            $sorted_lsub_ary[] = find_mailbox_name($inbox_ary[0]);
+        }
+
+        $boxesall = sqimap_mailbox_parse ($sorted_list_ary, $sorted_lsub_ary);
+
+        /* Now, lets sort for special folders */
+        $boxesnew = $used = array();
+
+        /* Find INBOX */
+        foreach ( $boxesall as $k => $box ) {
+            if ( strtolower($box['unformatted']) == 'inbox') {
+                $boxesnew[] = $box;
+                $used[$k] = true;
+            } else {
+                $used[$k] = false;
+            }
+        }
+        /* List special folders and their subfolders, if requested. */
+        if ($list_special_folders_first) {
+            foreach ( $boxesall as $k => $box ) {
+                if ( !$used[$k] && isSpecialMailbox( $box['unformatted'] ) ) {
+                    $boxesnew[] = $box;
+                    $used[$k] = true;
+                }
+                $spec_sub = str_replace('&nbsp;', '', $box['formatted']);
+
+               /* In case of problems with preg
+                  here is a ereg version
+                 if (!$used[$k] && ereg("^$default_folder_prefix(Sent|Drafts|Trash).{1}$spec_sub$", $box['unformatted']) ) { */
+                 
+                if (!$used[$k] && preg_match("?^$default_folder_prefix(Sent|Drafts|Trash).{1}$spec_sub$?", $box['unformatted']) ) {
+                    $boxesnew[] = $box;
+                    $used[$k] = true;
+                }
+            }
+
+        }
+        /* Rest of the folders */
+        foreach ( $boxesall as $k => $box ) {
+            if ( !$used[$k] ) {
+                $boxesnew[] = $box;
+            }
+        }
+    }
+    return $boxesnew;
+}
+
+/*
+ *  Returns a list of all folders, subscribed or not
+ */
+function sqimap_mailbox_list_all($imap_stream) {
+    global $list_special_folders_first, $folder_prefix, $delimiter;
+
+    require_once('../functions/array.php');
+
+    $ssid = sqimap_session_id();
+    $lsid = strlen( $ssid );
+    fputs ($imap_stream, $ssid . " LIST \"$folder_prefix\" *\r\n");
+    $read_ary = sqimap_read_data ($imap_stream, $ssid, true, $response, $message);
+    $g = 0;
+    $phase = 'inbox';
+
+    for ($i = 0; $i < count($read_ary); $i++) {
+        /* Another workaround for EIMS */
+        if (isset($read_ary[$i + 1]) &&
+            ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$",
+                 $read_ary[$i], $regs)) {
+            $i ++;
+            $read_ary[$i] = $regs[1] . '"' . addslashes(trim($read_ary[$i])) . '"' . $regs[2];
+        }
+        if (substr($read_ary[$i], 0, $lsid) != $ssid ) {
+
+            /* Store the raw IMAP reply */
+            $boxes[$g]['raw'] = $read_ary[$i];
+
+            /* Count number of delimiters ($delimiter) in folder name */
             $mailbox = find_mailbox_name($read_ary[$i]);
-            $dm_count = countCharInString($mailbox, $delimiter);
-            if (substr($mailbox, -1) == $delimiter)
-               $dm_count--;  // If name ends in delimiter - decrement count by one
-            
-            // Format folder name, but only if it's a INBOX.* or have
-            // a parent.
-            $boxesbyname[$mailbox] = $g;
+            $dm_count =  substr_count($mailbox, $delimiter);
+            if (substr($mailbox, -1) == $delimiter) {
+                /* If name ends in delimiter - decrement count by one */
+                $dm_count--;
+            }
+
+            /* Format folder name, but only if it's a INBOX.* or has a parent. */
+            $boxesallbyname[$mailbox] = $g;
             $parentfolder = readMailboxParent($mailbox, $delimiter);
-            if((eregi('^inbox'.quotemeta($delimiter), $mailbox)) || 
+            if((eregi('^inbox'.quotemeta($delimiter), $mailbox)) ||
                (ereg('^'.$folder_prefix, $mailbox)) ||
-               ( isset($boxesbyname[$parentfolder]) && (strlen($parentfolder) > 0) ) ) {
-               if ($dm_count)
-                   $boxes[$g]["formatted"]  = str_repeat("&nbsp;&nbsp;", $dm_count);
-               else
-                   $boxes[$g]["formatted"] = '';
-               $boxes[$g]["formatted"] .= readShortMailboxName($mailbox, $delimiter);
-            } else {
-               $boxes[$g]["formatted"]  = $mailbox;
+               ( isset($boxesallbyname[$parentfolder]) && (strlen($parentfolder) > 0) ) ) {
+                if ($dm_count) {
+                    $boxes[$g]['formatted']  = str_repeat('&nbsp;&nbsp;', $dm_count);
+                }
+                else {
+                    $boxes[$g]['formatted'] = '';
+                }
+                $boxes[$g]['formatted'] .= readShortMailboxName($mailbox, $delimiter);
             }
-               
-            $boxes[$g]["unformatted-dm"] = $mailbox;
-            if (substr($mailbox, -1) == $delimiter)
-               $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
-            $boxes[$g]["unformatted"] = $mailbox;
-            $boxes[$g]["unformatted-disp"] = ereg_replace('^' . $folder_prefix, '', $mailbox);
-            $boxes[$g]["id"] = $g;
-
-            /** Now lets get the flags for this mailbox **/
-            fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"$mailbox\"\r\n"); 
-            $read_mlbx = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
-            
-				// Another workaround for EIMS
-				if (isset($read_mlbx[1]) &&
-				  ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$", 
-				  $read_mlbx[0], $regs)) {
-				 $read_mlbx[0] = $regs[1] . '"' . 
-				    addslashes(trim($read_mlbx[1])) .
-				    '"' . $regs[2];
-				}
-
-            $flags = substr($read_mlbx[0], strpos($read_mlbx[0], "(")+1);
-            $flags = substr($flags, 0, strpos($flags, ")"));
+            else {
+                $boxes[$g]['formatted']  = $mailbox;
+            }
+
+            $boxes[$g]['unformatted-dm'] = $mailbox;
+            if (substr($mailbox, -1) == $delimiter) {
+                $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
+            }
+            $boxes[$g]['unformatted'] = $mailbox;
+            $boxes[$g]['unformatted-disp'] = ereg_replace('^' . $folder_prefix, '', $mailbox);
+            $boxes[$g]['id'] = $g;
+
+            /* Now lets get the flags for this mailbox */
+            $read_mlbx = sqimap_run_command ($imap_stream, "LIST \"\" \"$mailbox\"",
+                                             true, $response, $message);
+
+            /* Another workaround for EIMS */
+            if (isset($read_mlbx[1]) &&
+                ereg("^(\\* [A-Z]+.*)\\{[0-9]+\\}([ \n\r\t]*)$", $read_mlbx[0], $regs)) {
+                $read_mlbx[0] = $regs[1] . '"' . addslashes(trim($read_mlbx[1])) . '"' . $regs[2];
+            }
+
+            $flags = substr($read_mlbx[0], strpos($read_mlbx[0], '(')+1);
+            $flags = substr($flags, 0, strpos($flags, ')'));
             $flags = str_replace('\\', '', $flags);
             $flags = trim(strtolower($flags));
             if ($flags) {
-               $boxes[$g]['flags'] = explode(" ", $flags);
-            }
-            else
-            {
-               $boxes[$g]['flags'] = array();
+                $boxes[$g]['flags'] = explode(' ', $flags);
+            } else {
+                $boxes[$g]['flags'] = array();
             }
-         }
-         $g++;
-      }
-      if(is_array($boxes)) {
-         $boxes = ary_sort ($boxes, "unformatted", 1);
-      }
-
-      return $boxes;
-   }
-   
+        }
+        $g++;
+    }
+    if(is_array($boxes)) {
+        $boxes = ary_sort ($boxes, 'unformatted', 1);
+    }
+
+    return $boxes;
+}
+
 ?>