$id = 1;
$p = array('mail' => '*****@*****.**');
$s64 = urlencodeaction($id, $p);
echo $s64, PHP_EOL;
$r = urldecodeaction($s64);
if ($r) {
list($actionid, $timestamp, $param) = $r;
}
echo 'id=', $actionid, PHP_EOL;
echo 'timestamp=', date('Y-m-d H:i:s', $timestamp), PHP_EOL;
echo 'mail=', $param['mail'], PHP_EOL;
$id = 0;
$p = '*****@*****.**';
$s64 = urlencodeaction($id, $p);
echo $s64, PHP_EOL;
$r = urldecodeaction($s64);
if ($r) {
list($actionid, $timestamp, $param) = $r;
}
echo 'id=', $actionid, PHP_EOL;
echo 'timestamp=', date('Y-m-d H:i:s', $timestamp), PHP_EOL;
echo 'mail=', $param, PHP_EOL;
$id = 255;
$s64 = urlencodeaction($id, $p);
echo $s64, PHP_EOL;
$r = urldecodeaction($s64);
if ($r) {
list($actionid, $timestamp) = $r;
}
echo 'id=', $actionid, PHP_EOL;
echo 'timestamp=', date('Y-m-d H:i:s', $timestamp), PHP_EOL;
function unsubscribe($lang)
{
$with_captcha = true;
$action = 'init';
if (isset($_POST['unsubscribe_send'])) {
$action = 'unsubscribe';
}
$confirmed = $code = $token = false;
$user_mail = user_profile('mail');
$subscribe_page = false;
switch ($action) {
case 'init':
$subscribe_page = url('newslettersubscribe', $lang);
break;
case 'unsubscribe':
if (isset($_POST['unsubscribe_mail'])) {
$user_mail = strtolower(strflat(readarg($_POST['unsubscribe_mail'])));
}
if (isset($_POST['unsubscribe_confirmed'])) {
$confirmed = readarg($_POST['unsubscribe_confirmed']) == 'on' ? true : false;
}
if (isset($_POST['unsubscribe_code'])) {
$code = readarg($_POST['unsubscribe_code']);
}
if (isset($_POST['unsubscribe_token'])) {
$token = readarg($_POST['unsubscribe_token']);
}
break;
default:
break;
}
$missing_code = false;
$bad_code = false;
$bad_token = false;
$missing_mail = false;
$bad_mail = false;
$unknown_mail = false;
$missing_confirmation = false;
$mail_unsubscribed = false;
$internal_error = false;
$contact_page = false;
switch ($action) {
case 'unsubscribe':
if (!isset($_SESSION['unsubscribe_token']) or $token != $_SESSION['unsubscribe_token']) {
$bad_token = true;
}
if ($with_captcha) {
if (!$code) {
$missing_code = true;
break;
}
$captcha = isset($_SESSION['captcha']['unsubscribe']) ? $_SESSION['captcha']['unsubscribe'] : false;
if (!$captcha or $captcha != strtoupper($code)) {
$bad_code = true;
break;
}
}
if (!$user_mail) {
$missing_mail = true;
} else {
if (!validate_mail($user_mail) or !is_mail_allowed($user_mail)) {
$bad_mail = true;
} else {
if (!newsletter_get_user($user_mail)) {
$unknown_mail = true;
}
}
}
if (!$confirmed) {
$missing_confirmation = true;
}
break;
default:
break;
}
switch ($action) {
case 'unsubscribe':
if ($bad_token or $missing_code or $bad_code or $missing_mail or $bad_mail or $unknown_mail or $missing_confirmation) {
break;
}
require_once 'urlencodeaction.php';
$id = 1;
// confirmnewsletterunsubscribe, see saction
$param = $user_mail;
$s64 = urlencodeaction($id, $param);
if (!$s64) {
$internal_error = true;
break;
}
$saction_page = url('saction', $lang);
if (!$saction_page) {
$internal_error = true;
break;
}
global $base_url;
$url = $base_url . $saction_page . '/' . $s64;
require_once 'emailtext.php';
$to = $user_mail;
$subject = translate('newsletter:unregister_subject', $lang);
$f = translate('newsletter:unregister_text', $lang);
$s = sprintf($f, $url);
$msg = $s . "\n\n" . translate('email:salutations', $lang);
emailtext($msg, $to, $subject, false);
$mail_unsubscribed = $user_mail;
$confirmed = false;
break;
default:
break;
}
if ($internal_error) {
$contact_page = url('contact', $lang);
}
$_SESSION['unsubscribe_token'] = $token = token_id();
$errors = compact('missing_mail', 'bad_mail', 'unknown_mail', 'missing_confirmation', 'missing_code', 'bad_code', 'internal_error', 'contact_page');
$infos = compact('mail_unsubscribed');
$output = view('unsubscribe', $lang, compact('token', 'with_captcha', 'user_mail', 'confirmed', 'subscribe_page', 'errors', 'infos'));
return $output;
}
