<?php
// 
// OpenSMTPD Admin 
// by Mischa Peters <mischa at high5 dot nl>
// Copyright (c) 2022 High5!
// License Info: LICENSE.TXT
//
// File: admin.php
//
// Template File: admin_admin.tpl
//
//
// Template Variables:
//
// action
// message
// username
// domains
//
// POST / GET Variables:
//
// username
// password1
// password2
// domains
//
require_once './functions.inc.php';
include './languages/' . check_language() . '.lang';

$SESSID_USERNAME = check_session();
$PERMISSIONS = check_permissions();

if ($PERMISSIONS != ADMIN_RIGHTS) {
	header("Location: list-domain.php");
	die();;
}

$list_domains = list_domains();
$list_admins = list_admins();

if ($_SERVER['REQUEST_METHOD'] == "GET") {
	$action = filter_input(INPUT_GET, 'action', FILTER_DEFAULT) ?? 'add';
	if ($action == 'edit') {
		$username = filter_input(INPUT_GET, 'username', FILTER_VALIDATE_EMAIL);
		$domains['domains'] = array_column(list_domains($username), 'domain');
	}
}

if ($_SERVER['REQUEST_METHOD'] == "POST") {
	$action = filter_input(INPUT_GET, 'action', FILTER_DEFAULT) ?? 'add';
	$username = filter_input(INPUT_POST, 'username', FILTER_VALIDATE_EMAIL);
	$password1 = filter_input(INPUT_POST, 'password1', FILTER_DEFAULT);
	$password2 = filter_input(INPUT_POST, 'password2', FILTER_DEFAULT);
	$domains = filter_input_array(INPUT_POST, array('domains' => array('filter' => FILTER_VALIDATE_DOMAIN, 'flags' => FILTER_REQUIRE_ARRAY)));


	if ($action == 'add') {
		if (empty($username) || in_array($username, array_column($list_admins, 'username'))) {
			$message = $LANG['AdminAdd_admin_username_error'];
		}

		if (empty($password1) || $password1 != $password2) {
			$message = $LANG['AdminAdd_admin_password_error'];
		}

		if (empty($domains['domains'])) {
			$message = $LANG['AdminAdd_admin_domain_error'];
		}

		if (empty($message)) {
			$hashed = bcrypt($password1);
			try {
				$dbh = pdo_connect();
				$sth = $dbh->prepare("INSERT INTO admin (username,password,created,modified) VALUES (?,?,NOW(),NOW())");
				$sth->bindParam(1, $username, PDO::PARAM_STR);
				$sth->bindParam(2, $hashed, PDO::PARAM_STR);
				$sth->execute();
				foreach ($domains['domains'] as $row) {
					$sth = $dbh->prepare("INSERT INTO domain_admins (username,domain,created) VALUES (?,?,NOW())");
					$sth->bindParam(1, $username, PDO::PARAM_STR);
					$sth->bindParam(2, $row, PDO::PARAM_STR);
					$sth->execute();
				}
				$message = $LANG['AdminAdd_admin_result_succes'] . "<br />($username)</br />";
			} catch(PDOException $e) {
				$message = $LANG['AdminAdd_admin_result_error'] . "<br />($username)<br />";
			}	
		}
	}

	if (in_array($username, array_column($list_admins, 'username')) && $action == 'edit') {
		if ($password1 != $password2) {
			$message = $LANG['AdminAdd_admin_password_error'];
		}
		if (empty($message) && !empty($password1)) {
			$hashed = bcrypt($password1);
			try {
				$dbh = pdo_connect();
				$sth = $dbh->prepare("UPDATE admin SET password=?,modified=NOW() WHERE username=?");
				$sth->bindParam(1, $hashed, PDO::PARAM_STR);
				$sth->bindParam(2, $username, PDO::PARAM_STR);
				$sth->execute();
			} catch(PDOException $e) {
				$message = $LANG['AdminEdit_admin_result_error'] . "<br />($username)<br />";
			}	
		}

		if (empty($domains['domains'])) {
			$message = $LANG['AdminAdd_admin_domain_error'];
		}
		if (empty($message)) {
			try {
				$dbh = pdo_connect();
				$sth = $dbh->prepare("SELECT COUNT(*) FROM domain_admins WHERE username=?");
				$sth->execute(array($username));
				$count_domain_admins = $sth->fetchColumn();

				$sth = $dbh->prepare("DELETE FROM domain_admins WHERE username=?");
				$sth->execute(array($username));
				if ($sth->rowCount() != $count_domain_admins) {
					throw new RuntimeException('Unable to delete entries from the domain_admins table.');
				}

				foreach ($domains['domains'] as $row) {
					$sth = $dbh->prepare("INSERT INTO domain_admins (username,domain,created) VALUES (?,?,NOW())");
					$sth->bindParam(1, $username, PDO::PARAM_STR);
					$sth->bindParam(2, $row, PDO::PARAM_STR);
					$sth->execute();
				}
				header("Location: list-admin.php");
			} catch (RuntimeException $e) {
				$message = $LANG['AdminEdit_admin_result_error'];
			} catch (PDOException $e) {
				$message = $LANG['AdminEdit_admin_result_error'];
			}
		}
	}
}
include './templates/header.tpl';
include './templates/menu.tpl';
include './templates/admin.tpl';
include './templates/footer.tpl';
?>