<?php
/** 
 * Postfix Admin 
 * 
 * LICENSE 
 * This source file is subject to the GPL license that is bundled with  
 * this package in the file LICENSE.TXT. 
 * 
 * Further details on the project are available at : 
 *     http://www.postfixadmin.com or http://postfixadmin.sf.net 
 * 
 * @version $Id$ 
 * @license GNU GPL v2 or later. 
 * 
 * File: list-virtual.php
 * List virtual users for a domain.
 *
 * Template File: list-virtual.php
 *
 * Template Variables:
 *
 * tMessage
 * tAlias
 * tMailbox
 *
 * Form POST \ GET Variables:
 *
 * fDomain
 * fDisplay
 */
require_once('common.php');


authentication_require_role('admin');

$fDomain = false;
$SESSID_USERNAME = authentication_get_username();

if (authentication_has_role('global-admin')) {
    $list_domains = list_domains ();
    $is_superadmin = 1;
} else {
    $list_domains = list_domains_for_admin(authentication_get_username());
    $is_superadmin = 0;
}

$tAlias = array();
$tMailbox = array();
$fDisplay = 0;
$page_size = $CONF['page_size'];

if ($_SERVER['REQUEST_METHOD'] == "GET")
{
    if (isset ($_GET['domain'])) $fDomain = escape_string ($_GET['domain']);
    if (isset ($_GET['limit'])) $fDisplay = intval ($_GET['limit']);
    $search = escape_string(safeget('search'));
}
else
{
    if (isset ($_POST['fDomain'])) $fDomain = escape_string ($_POST['fDomain']);
    if (isset ($_POST['limit'])) $fDisplay = intval ($_POST['limit']);
    $search = escape_string(safepost('search'));
}

if (count($list_domains) == 0) {
    #   die("no domains");
    flash_error( $PALANG['invalid_parameter'] );
    header("Location: list-domain.php"); # no domains (for this admin at least) - redirect to domain list
    exit;
}

if ((is_array ($list_domains) and sizeof ($list_domains) > 0)) {
    if (empty ($fDomain)) {
        $fDomain = $list_domains[0];
    }
}

if(!in_array($fDomain, $list_domains)) {
    flash_error( $PALANG['invalid_parameter'] );
    header("Location: list-domain.php"); # invalid domain, or not owned by this admin
    exit;
}

if (!check_owner(authentication_get_username(), $fDomain)) { 
    flash_error( $PALANG['invalid_parameter'] . " If you see this message, please open a bugreport"); # this check is most probably obsoleted by the in_array() check above
    header("Location: list-domain.php"); # domain not owned by this admin
    exit(0);
}

// store fDomain in $_SESSION so after adding/editing aliases/mailboxes we can 
// take the user back to the appropriate domain listing. (see templates/menu.php)
if($fDomain) {
    $_SESSION['list_virtual_sticky_domain'] = $fDomain;
}

#
# alias domain
#

# TODO: add search support for alias domains
if (boolconf('alias_domain')) {
    # Alias-Domains
    # first try to get a list of other domains pointing
    # to this currently chosen one (aka. alias domains)
    $query = "SELECT $table_alias_domain.alias_domain,$table_alias_domain.target_domain,$table_alias_domain.modified,$table_alias_domain.active FROM $table_alias_domain WHERE target_domain='$fDomain' ORDER BY $table_alias_domain.alias_domain LIMIT $fDisplay, $page_size";
    if ('pgsql'==$CONF['database_type'])
    {
        $query = "SELECT alias_domain,target_domain,extract(epoch from modified) as modified,active FROM $table_alias_domain WHERE target_domain='$fDomain' ORDER BY alias_domain LIMIT $page_size OFFSET $fDisplay";
    }
    $result = db_query ($query);
    $tAliasDomains = array();
    if ($result['rows'] > 0)
    {
        while ($row = db_array ($result['result']))
        {
            if ('pgsql'==$CONF['database_type'])
            {
                $row['modified']=gmstrftime('%c %Z',$row['modified']);
                $row['active']=('t'==$row['active']) ? 1 : 0;
            }
            $tAliasDomains[] = $row;
        }
    } 
    # now let's see if the current domain itself is an alias for another domain
    $query = "SELECT $table_alias_domain.alias_domain,$table_alias_domain.target_domain,$table_alias_domain.modified,$table_alias_domain.active FROM $table_alias_domain WHERE alias_domain='$fDomain'";
    if ('pgsql'==$CONF['database_type'])
    {
        $query = "SELECT alias_domain,target_domain,extract(epoch from modified) as modified,active FROM $table_alias_domain WHERE alias_domain='$fDomain'";
    }
    $result = db_query ($query);
    $tTargetDomain = "";
    if ($result['rows'] > 0)
    {
        if($row = db_array ($result['result']))
        {
            if ('pgsql'==$CONF['database_type'])
            {
                $row['modified']=gmstrftime('%c %Z',$row['modified']);
                $row['active']=('t'==$row['active']) ? 1 : 0;
            }
            $tTargetDomain = $row;
        }
    }
}

#
# aliases
#

if ($search == "") {
    $sql_domain = " $table_alias.domain='$fDomain' ";
    $sql_where  = "";
} else {
    $sql_domain = db_in_clause("$table_alias.domain", $list_domains);
    $sql_where  = " AND ( address LIKE '%$search%' OR goto LIKE '%$search%' ) ";
}
$query = "SELECT $table_alias.address,
    $table_alias.goto,
    $table_alias.modified,
    $table_alias.active
    FROM $table_alias LEFT JOIN $table_mailbox ON $table_alias.address=$table_mailbox.username
    WHERE ($sql_domain AND $table_mailbox.maildir IS NULL $sql_where)
    ORDER BY $table_alias.address LIMIT $fDisplay, $page_size";
if ('pgsql'==$CONF['database_type'])
{
    # TODO: is the different query for pgsql really needed? The mailbox query below also works with both...
    $query = "SELECT address,
        goto,
        modified,
        active
        FROM $table_alias
        WHERE $sql_domain AND NOT EXISTS(SELECT 1 FROM $table_mailbox WHERE username=$table_alias.address $sql_where)
        ORDER BY address LIMIT $page_size OFFSET $fDisplay";
}

$result = db_query ($query);
if ($result['rows'] > 0)
{
    while ($row = db_array ($result['result']))
    {
        if ('pgsql'==$CONF['database_type'])
        {
            //. at least in my database, $row['modified'] already looks like : 2009-04-11 21:38:10.75586+01, 
            // while gmstrftime expects an integer value. strtotime seems happy though.
            //$row['modified']=gmstrftime('%c %Z',$row['modified']);
            $row['modified'] = date('Y-m-d H:i', strtotime($row['modified']));
            $row['active']=('t'==$row['active']) ? 1 : 0;
        }
        $tAlias[] = $row;
    }
}


#
# mailboxes
#

$display_mailbox_aliases = boolconf('alias_control_admin');

# build the sql query
$sql_select = " SELECT $table_mailbox.* ";
$sql_from   = " FROM $table_mailbox ";
$sql_join   = "";
$sql_where  = " WHERE ";
$sql_order  = " ORDER BY $table_mailbox.username ";
$sql_limit  = " LIMIT $page_size OFFSET $fDisplay";

if ($search == "") {
    $sql_where  .= " $table_mailbox.domain='$fDomain' ";
} else {
    $sql_where  .=  db_in_clause("$table_mailbox.domain", $list_domains) . " ";
    $sql_where  .= " AND ( $table_mailbox.username LIKE '%$search%' OR $table_mailbox.name LIKE '%$search%' ";
    if ($display_mailbox_aliases) {
        $sql_where  .= " OR $table_alias.goto LIKE '%$search%' ";
    } 
    $sql_where  .= " ) "; # $search is already escaped
}

if ($display_mailbox_aliases) {
    $sql_select .= ", $table_alias.goto ";
    $sql_join   .= " LEFT JOIN $table_alias ON $table_mailbox.username=$table_alias.address ";
}

if (boolconf('vacation_control_admin')) {
    $sql_select .= ", $table_vacation.active AS v_active ";
    $sql_join   .= " LEFT JOIN $table_vacation ON $table_mailbox.username=$table_vacation.email ";
}

if (boolconf('used_quotas') && boolconf('new_quota_table')) {
    $sql_select .= ", $table_quota2.bytes as current ";
    $sql_join   .= " LEFT JOIN $table_quota2 ON $table_mailbox.username=$table_quota2.username ";
}

if (boolconf('used_quotas') && ( ! boolconf('new_quota_table') ) ) {
    $sql_select .= ", $table_quota.current ";
    $sql_join   .= " LEFT JOIN $table_quota ON $table_mailbox.username=$table_quota.username ";
    $sql_where  .= " AND ( $table_quota.path='quota/storage' OR  $table_quota.path IS NULL ) ";
}

$query = "$sql_select\n$sql_from\n$sql_join\n$sql_where\n$sql_order\n$sql_limit";

$result = db_query ($query);

if ($result['rows'] > 0)
{
    $delimiter = preg_quote($CONF['recipient_delimiter'], "/");
    $goto_single_rec_del = "";

    while ($row = db_array ($result['result']))
    {
        if ($display_mailbox_aliases) {
            $goto_split = explode(",", $row['goto']);
            $row['goto_mailbox'] = 0;
            $row['goto_other'] = array();
            
            foreach ($goto_split as $goto_single) {
                if (!empty($CONF['recipient_delimiter'])) {
                    $goto_single_rec_del = preg_replace('/' .$delimiter. '[^' .$delimiter. '@]*@/', "@", $goto_single);
                }

                if ($goto_single == $row['username'] || $goto_single_rec_del == $row['username']) { # delivers to mailbox
                    $row['goto_mailbox'] = 1;
                } elseif (boolconf('vacation') && strstr($goto_single, '@' . $CONF['vacation_domain']) ) { # vacation alias - TODO: check for full vacation alias
                    # skip the vacation alias, vacation status is detected otherwise
                } else { # forwarding to other alias
                    $row['goto_other'][] = $goto_single;
                }
            }
        }
        if ('pgsql'==$CONF['database_type'])
        {
            // XXX
            $row['modified'] = date('Y-m-d H:i', strtotime($row['modified']));
            $row['created'] = date('Y-m-d H:i', strtotime($row['created']));
            $row['active']=('t'==$row['active']) ? 1 : 0;
            if($row['v_active'] == NULL) { 
                $row['v_active'] = 'f';
            }
            $row['v_active']=('t'==$row['v_active']) ? 1 : 0; 
        }
        $tMailbox[] = $row;
    }
}

$tCanAddAlias = false;
$tCanAddMailbox = false;

# TODO: needs reworking for $search...
$limit = get_domain_properties($fDomain);
if (isset ($limit)) {
    if ($fDisplay >= $page_size) {
        $tDisplay_back_show = 1;
        $tDisplay_back = $fDisplay - $page_size;
    }
    if (($limit['alias_count'] > $page_size) or ($limit['mailbox_count'] > $page_size)) {
        $tDisplay_up_show = 1;
    }
    if ((($fDisplay + $page_size) < $limit['alias_count']) or 
        (($fDisplay + $page_size) < $limit['mailbox_count'])) 
    {
        $tDisplay_next_show = 1;
        $tDisplay_next = $fDisplay + $page_size;
    }

    if($limit['aliases'] == 0) {
        $tCanAddAlias = true;
    }
    elseif($limit['alias_count'] < $limit['aliases']) {
        $tCanAddAlias = true;
    }
    if($limit['mailboxes'] == 0) {
        $tCanAddMailbox = true;
    }
    elseif($limit['mailbox_count'] < $limit['mailboxes']) {
        $tCanAddMailbox = true;
    }
}

// this is why we need a proper template layer.
$fDomain = htmlentities($fDomain, ENT_QUOTES);
include ("templates/header.php");
include ("templates/menu.php");
include ("templates/list-virtual.php");
include ("templates/footer.php");

/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
?>
