<?php
function userbymail($email)
{
	$email = strtolower($email);
	foreach (glob("profile/*") as $useropt) {
		if ($mailopt = @file_get_contents("$useropt/email.txt")
		and strtolower(rtrim($mailopt)) == $email) {
			return substr($useropt, strlen('profile/'));
		}
	}
	return FALSE;
}

function mailtoken($email)
{
	$found = userbymail($email);
	if (!$found) return FALSE;
	$user = new User("profile/$found");
	if (empty($user)) return FALSE;

	$token = substr(sha1('$Random'.rand()), 0, 10);
	if (!file_put_contents("profile/$found/.token", $token))
		throw new Exception("could not store token for $found");

	$sitename = preg_replace('/^www\./', '', $_SERVER['HTTP_HOST']);
	$sitelink = 'https://'.$sitename;
	$rep = [
		'[[user]]' => $user->name ?: $found,
		'[[link]]' => "$sitelink/login/pass?token=$found:$token",
		'[[site]]' => $sitename,
	];

	$mailbody = file_get_contents('login/mailpass.inc.txt');
	$mailbody = str_replace(array_keys($rep), array_values($rep), $mailbody);
	if (!$mailbody) throw new Exception('empty mail body');
	$mailsub = "Wachtwoord-reset voor $sitename";
	$mailhead = "From: $sitename <info@$sitename>";
	$rcpt = "$found <$email>";

	return mail($rcpt, $mailsub, $mailbody, $mailhead);
	return TRUE;
}