Simple CLI script, updated for 2.0 … works in php4.x and mysql 4.1 with dbmail v2.0.7 (by ratchet)

#!/usr/bin/php
<?
/*
DBMail to maildir

This will go through a dbmail 2.0.x database, and pull messages for a specified user
and place them in the specified maildir, maintaining their mailbox structure.

*/

define ("USER", "dbmail-username"); // this is the user to look up in the user table
define ("MAILDIR", "/home/user/maildir/"); // define maildir with ending slash
define ("IMPORTDIR", ".IMPORTED"); // set this to something other than '' if you want stuff in some subdir.
                                                // this is recommended as the script will make a conflicting .INBOX otherwise.

define ("MAILDIR_OWNER", USER);                 // use this to set the file owner of the maildir and files created
define ("MAILDIR_GROUP", USER); // maildir group
define ("MAILDIR_PERM", 0777); // maildir permissions, probably NOT 0777. in Octal.
define ("SUBSCRIPTION", true); // set to true if a .subscription file is in the maildir specified and needs updating with new directories.
define ("HOSTNAME", "mail.hostname.com"); // used in the creation of the maildir filename

// Set Mysql Variables Here:
$dbhost = "localhost";
$dbname = "dbmail";
$dbuser = "dbmail";
$dbpass = "password";


define ("DEBUG", false); // Debug mode, if set to true, SQL statements are printed onscreen
                        // so you can see what the script is trying to do.




////////////////////////////////////  Mysql Functions

function file_put_contents($n,$d) {
  $f=@fopen($n,"w");
  if (!$f) {
   return false;
  } else {
   fwrite($f,$d);
   fclose($f);
   return true;
  }
}

function connectdb() // Connect to MySQL
{
        global $dbh, $dbhost, $dbuser, $dbpass, $dbname;
        $dbh=mysql_connect ($dbhost, $dbuser, $dbpass) or die ('Cannot connect to Database');
        mysql_select_db ($dbname);
        echo "Database connected...\n";

}

function query($query)  // send a query to MySQL
{
        if (DEBUG) {
                echo $query;
                }
        $ret = mysql_query($query) or die(mysql_error()."\n".$query."\n");
        return $ret;
}

function assoc($a) // Alias for mysql_fetch_assoc().
{
        return mysql_fetch_assoc($a);
}

function isdata($p) // checks if there was any data returned from the query.
{
        if (mysql_num_rows($p)==0){
                return false;
        }
        return true;
}

function recurse_chown_chgrp($mypath, $uid, $gid)
{
   $d = opendir ($mypath) ;
   while(($file = readdir($d)) !== false) {
       if ($file != "." && $file != "..") {

           $typepath = $mypath . "/" . $file ;

           //print $typepath. " : " . filetype ($typepath). "<BR>" ;
           if (filetype ($typepath) == 'dir') {
               recurse_chown_chgrp ($typepath, $uid, $gid);
           }

           chown($typepath, $uid);
           chgrp($typepath, $gid);

       }
   }

 }

function createmaildir($path)
{
        global $subs;
        if (is_file($path)) {
                return false;
        } // already a file, failed.
        if (!is_dir($path))
                mkdir($path, MAILDIR_PERM);
        // create directories MAILDIR_PERM
        if (!is_dir("$path/new"))
                mkdir("$path/new", MAILDIR_PERM);
                chmod("$path/new", MAILDIR_PERM);
        if (!is_dir("$path/cur"))
                mkdir("$path/cur", MAILDIR_PERM);
                chmod("$path/cur", MAILDIR_PERM);
        if (!is_dir("$path/tmp"))
                mkdir("$path/tmp", MAILDIR_PERM);
                chmod("$path/tmp", MAILDIR_PERM);

        return true;
}

//////////////////////////////////////////
// MAIN ROUTINE
//////////////////////////////////////





// okay, setup db
connectdb();
// setup compatibility for file_put_contents
#require_once 'PHP/Compat.php';

// load file_put_contents
#PHP_Compat::loadFunction('file_put_contents');

// open subscription file if necessary
if (SUBSCRIPTION == true) {
        $subs = fopen(MAILDIR.".subscriptions", "a+");

        if (!$subs)
                die("Could not open subscriptions file.\n");
}

// get user info
echo "Searching in database for ".USER."\n";
$userp = query("select * from dbmail_users where userid = '".USER."'");

if (isdata($userp)) {
        $user = assoc($userp);
} else {
        die (USER." user not found. Exiting.\n");
}
// create main import directory
if (IMPORTDIR != '') {
        echo "Creating import directory: ".IMPORTDIR."\n";
if (!createmaildir(MAILDIR.IMPORTDIR))
        die("Can't create import directory!\n");
else
        fwrite($subs, IMPORTDIR."\n");
}
// get mailboxes
$mailboxes = query("select * from dbmail_mailboxes where owner_idnr = '".$user['user_idnr']."'");
// go through each one.
while ($mailbox = assoc($mailboxes)) {
        echo "Mailbox: ".$mailbox['name']."\n";
        $totalmessages = 0;
        // fix the subdirectories
        $mailbox['name'] = str_replace("/", ".", $mailbox['name']);
        // create directory
        if (createmaildir(MAILDIR.IMPORTDIR.".".$mailbox['name'])) {

                // set subscription
                if (SUBSCRIPTION == true)
                fwrite($subs, trim(IMPORTDIR.".".$mailbox['name'], ".")."\n");

                // get messages
                $messages = query("select * from dbmail_messages where mailbox_idnr = '".$mailbox['mailbox_idnr']."'");
                // go through and create files for each
                while ($message = assoc($messages)) {

                        // create filename
                        $filename = $message['unique_id'].".".time().$message['message_idnr'].".".HOSTNAME.":2,";


                        // look at some flags, this could be extended
                        if ($message['answered_flag'] == 1)
                                $filename .= "R";
                        if ($message['seen_flag'] == 1)
                                $filename .= "S";


                        // get message contents
                        // This assumes that the messageblks are put together sequentially by messageblk_idnr.
                        // This may be a bad assumption
                        $contents = query("select * from dbmail_messageblks blks, dbmail_messages msg where " .
                                                "msg.physmessage_id = blks.physmessage_id and message_idnr = '".
                                                $message['message_idnr']."' order by messageblk_idnr ASC");

                        $msg = "";
                        while ($c = assoc($contents)) {
                                $msg .= $c['messageblk'];
                        }

                        // write contents to file
                        file_put_contents(MAILDIR.IMPORTDIR.".".$mailbox['name']."/cur/".$filename, $msg);
                        chmod(MAILDIR.IMPORTDIR.".".$mailbox['name']."/cur/".$filename, MAILDIR_PERM);
                        echo ".";
                        $totalmessages++;
                }
        } else {
                echo "ERROR - Could not create directory ".MAILDIR.IMPORTDIR.".".$mailbox['name']."\n";
        }

        echo "\n$totalmessages Total Messages.\n\n";
}

recurse_chown_chgrp(MAILDIR, MAILDIR_OWNER, MAILDIR_GROUP);

if (SUBSCRIPTION == true)
        fclose($subs);

echo "Done. \n";
?>