protected function validateCampaignCode($code)
{
if (ends_with($code, '.png')) {
$this->trackingMode = true;
$code = substr($code, 0, -4);
}
$parts = explode('!', base64_decode($code));
if (count($parts) < 3) {
throw new ApplicationException('Invalid code');
}
list($campaignId, $subscriberId, $hash) = $parts;
/*
* Render unique content for the subscriber
*/
$this->campaign = Message::find((int) $campaignId);
$this->subscriber = $this->campaign->subscribers()->where('id', (int) $subscriberId)->first();
if (!$this->subscriber) {
$this->subscriber = Subscriber::find((int) $subscriberId);
}
if (!$this->campaign || !$this->subscriber) {
throw new ApplicationException('Invalid code');
}
/*
* Verify unique hash
*/
$verifyValue = $campaignId . '!' . $subscriberId;
$verifyHash = md5($verifyValue . '!' . $this->subscriber->email);
if ($hash != $verifyHash) {
throw new ApplicationException('Invalid hash');
}
}
